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Comparing libev/ev.c (file contents):
Revision 1.385 by root, Wed Jul 20 01:04:03 2011 UTC vs.
Revision 1.475 by sf-exg, Wed Apr 1 06:57:41 2015 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	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
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
		261	#if !(_POSIX_TIMERS > 0)
		262	# ifndef EV_USE_MONOTONIC
		263	# define EV_USE_MONOTONIC 0
		264	# endif
		265	# ifndef EV_USE_REALTIME
		266	# define EV_USE_REALTIME 0
		267	# endif
		268	#endif
		269
254	#ifndef EV_USE_MONOTONIC	270	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	271	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	272	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	273	# else
258	# define EV_USE_MONOTONIC 0	274	# define EV_USE_MONOTONIC 0
259	# endif	275	# endif
260	#endif	276	#endif
…		…
347		363
348	#ifndef EV_HEAP_CACHE_AT	364	#ifndef EV_HEAP_CACHE_AT
349	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	365	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350	#endif	366	#endif
351		367
		368	#ifdef ANDROID
		369	/* supposedly, android doesn't typedef fd_mask */
		370	# undef EV_USE_SELECT
		371	# define EV_USE_SELECT 0
		372	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		373	# undef EV_USE_CLOCK_SYSCALL
		374	# define EV_USE_CLOCK_SYSCALL 0
		375	#endif
		376
		377	/* aix's poll.h seems to cause lots of trouble */
		378	#ifdef _AIX
		379	/* AIX has a completely broken poll.h header */
		380	# undef EV_USE_POLL
		381	# define EV_USE_POLL 0
		382	#endif
		383
352	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	384	/* 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. */	385	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	386	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	387	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	388	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	389	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	390	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	391	# define EV_USE_MONOTONIC 1
360	# else	392	# else
…		…
363	# endif	395	# endif
364	#endif	396	#endif
365		397
366	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	398	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
367		399
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	400	#ifndef CLOCK_MONOTONIC
375	# undef EV_USE_MONOTONIC	401	# undef EV_USE_MONOTONIC
376	# define EV_USE_MONOTONIC 0	402	# define EV_USE_MONOTONIC 0
377	#endif	403	#endif
378		404
…		…
386	# define EV_USE_INOTIFY 0	412	# define EV_USE_INOTIFY 0
387	#endif	413	#endif
388		414
389	#if !EV_USE_NANOSLEEP	415	#if !EV_USE_NANOSLEEP
390	/* hp-ux has it in sys/time.h, which we unconditionally include above */	416	/* hp-ux has it in sys/time.h, which we unconditionally include above */
391	# if !defined(_WIN32) && !defined(__hpux)	417	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	418	# include <sys/select.h>
393	# endif	419	# endif
394	#endif	420	#endif
395		421
396	#if EV_USE_INOTIFY	422	#if EV_USE_INOTIFY
…		…
399	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	425	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400	# ifndef IN_DONT_FOLLOW	426	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	427	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	428	# define EV_USE_INOTIFY 0
403	# endif	429	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	430	#endif
409		431
410	#if EV_USE_EVENTFD	432	#if EV_USE_EVENTFD
411	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	433	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412	# include <stdint.h>	434	# include <stdint.h>
…		…
464	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	486	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465		487
466	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	488	#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)	489	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468		490
469	/* the following are taken from libecb */	491	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ecb.h start */	492	/* ECB.H BEGIN */
		493	/*
		494	* libecb - http://software.schmorp.de/pkg/libecb
		495	*
		496	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
		497	* Copyright (©) 2011 Emanuele Giaquinta
		498	* All rights reserved.
		499	*
		500	* Redistribution and use in source and binary forms, with or without modifica-
		501	* tion, are permitted provided that the following conditions are met:
		502	*
		503	* 1. Redistributions of source code must retain the above copyright notice,
		504	* this list of conditions and the following disclaimer.
		505	*
		506	* 2. Redistributions in binary form must reproduce the above copyright
		507	* notice, this list of conditions and the following disclaimer in the
		508	* documentation and/or other materials provided with the distribution.
		509	*
		510	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
		511	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
		512	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
		513	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
		514	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		515	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		516	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		517	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
		518	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
		519	* OF THE POSSIBILITY OF SUCH DAMAGE.
		520	*
		521	* Alternatively, the contents of this file may be used under the terms of
		522	* the GNU General Public License ("GPL") version 2 or any later version,
		523	* in which case the provisions of the GPL are applicable instead of
		524	* the above. If you wish to allow the use of your version of this file
		525	* only under the terms of the GPL and not to allow others to use your
		526	* version of this file under the BSD license, indicate your decision
		527	* by deleting the provisions above and replace them with the notice
		528	* and other provisions required by the GPL. If you do not delete the
		529	* provisions above, a recipient may use your version of this file under
		530	* either the BSD or the GPL.
		531	*/
		532
		533	#ifndef ECB_H
		534	#define ECB_H
		535
		536	/* 16 bits major, 16 bits minor */
		537	#define ECB_VERSION 0x00010004
		538
		539	#ifdef _WIN32
		540	typedef signed char int8_t;
		541	typedef unsigned char uint8_t;
		542	typedef signed short int16_t;
		543	typedef unsigned short uint16_t;
		544	typedef signed int int32_t;
		545	typedef unsigned int uint32_t;
		546	#if __GNUC__
		547	typedef signed long long int64_t;
		548	typedef unsigned long long uint64_t;
		549	#else /* _MSC_VER || __BORLANDC__ */
		550	typedef signed __int64 int64_t;
		551	typedef unsigned __int64 uint64_t;
		552	#endif
		553	#ifdef _WIN64
		554	#define ECB_PTRSIZE 8
		555	typedef uint64_t uintptr_t;
		556	typedef int64_t intptr_t;
		557	#else
		558	#define ECB_PTRSIZE 4
		559	typedef uint32_t uintptr_t;
		560	typedef int32_t intptr_t;
		561	#endif
		562	#else
		563	#include <inttypes.h>
		564	#if UINTMAX_MAX > 0xffffffffU
		565	#define ECB_PTRSIZE 8
		566	#else
		567	#define ECB_PTRSIZE 4
		568	#endif
		569	#endif
		570
		571	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		572	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		573
		574	/* work around x32 idiocy by defining proper macros */
		575	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
		576	#if _ILP32
		577	#define ECB_AMD64_X32 1
		578	#else
		579	#define ECB_AMD64 1
		580	#endif
		581	#endif
471		582
472	/* many compilers define _GNUC_ to some versions but then only implement	583	/* many compilers define _GNUC_ to some versions but then only implement
473	* what their idiot authors think are the "more important" extensions,	584	* what their idiot authors think are the "more important" extensions,
474	* causing enourmous grief in return for some better fake benchmark numbers.	585	* causing enormous grief in return for some better fake benchmark numbers.
475	* or so.	586	* or so.
476	* we try to detect these and simply assume they are not gcc - if they have	587	* 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.	588	* an issue with that they should have done it right in the first place.
478	*/	589	*/
479	#ifndef ECB_GCC_VERSION
480	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	590	#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	591	#define ECB_GCC_VERSION(major,minor) 0
482	#else	592	#else
483	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	593	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
		594	#endif
		595
		596	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		597
		598	#if __clang__ && defined __has_builtin
		599	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		600	#else
		601	#define ECB_CLANG_BUILTIN(x) 0
		602	#endif
		603
		604	#if __clang__ && defined __has_extension
		605	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		606	#else
		607	#define ECB_CLANG_EXTENSION(x) 0
		608	#endif
		609
		610	#define ECB_CPP (__cplusplus+0)
		611	#define ECB_CPP11 (__cplusplus >= 201103L)
		612
		613	#if ECB_CPP
		614	#define ECB_C 0
		615	#define ECB_STDC_VERSION 0
		616	#else
		617	#define ECB_C 1
		618	#define ECB_STDC_VERSION __STDC_VERSION__
		619	#endif
		620
		621	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		622	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		623
		624	#if ECB_CPP
		625	#define ECB_EXTERN_C extern "C"
		626	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		627	#define ECB_EXTERN_C_END }
		628	#else
		629	#define ECB_EXTERN_C extern
		630	#define ECB_EXTERN_C_BEG
		631	#define ECB_EXTERN_C_END
		632	#endif
		633
		634	/*****************************************************************************/
		635
		636	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
		637	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
		638
		639	#if ECB_NO_THREADS
		640	#define ECB_NO_SMP 1
		641	#endif
		642
		643	#if ECB_NO_SMP
		644	#define ECB_MEMORY_FENCE do { } while (0)
		645	#endif
		646
		647	#ifndef ECB_MEMORY_FENCE
		648	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		649	#if __i386 || __i386__
		650	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		651	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		652	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		653	#elif ECB_GCC_AMD64
		654	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		655	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		656	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		657	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		658	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		659	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		660	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		661	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		662	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		663	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		664	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		665	#elif __aarch64__
		666	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		667	#elif (__sparc || __sparc__) && !__sparcv8
		668	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		669	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		670	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		671	#elif defined __s390__ || defined __s390x__
		672	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		673	#elif defined __mips__
		674	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		675	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		676	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		677	#elif defined __alpha__
		678	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		679	#elif defined __hppa__
		680	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		681	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		682	#elif defined __ia64__
		683	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		684	#elif defined __m68k__
		685	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		686	#elif defined __m88k__
		687	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		688	#elif defined __sh__
		689	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		690	#endif
484	#endif	691	#endif
485	#endif	692	#endif
486		693
487	#if __cplusplus	694	#ifndef ECB_MEMORY_FENCE
		695	#if ECB_GCC_VERSION(4,7)
		696	/* see comment below (stdatomic.h) about the C11 memory model. */
		697	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		698	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		699	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		700
		701	#elif ECB_CLANG_EXTENSION(c_atomic)
		702	/* see comment below (stdatomic.h) about the C11 memory model. */
		703	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		704	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		705	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		706
		707	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
		708	#define ECB_MEMORY_FENCE __sync_synchronize ()
		709	#elif _MSC_VER >= 1500 /* VC++ 2008 */
		710	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		711	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		712	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		713	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		714	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
		715	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		716	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		717	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		718	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		719	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		720	#elif defined _WIN32
		721	#include <WinNT.h>
		722	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		723	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		724	#include <mbarrier.h>
		725	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		726	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		727	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		728	#elif __xlC__
		729	#define ECB_MEMORY_FENCE __sync ()
		730	#endif
		731	#endif
		732
		733	#ifndef ECB_MEMORY_FENCE
		734	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		735	/* we assume that these memory fences work on all variables/all memory accesses, */
		736	/* not just C11 atomics and atomic accesses */
		737	#include <stdatomic.h>
		738	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		739	/* any fence other than seq_cst, which isn't very efficient for us. */
		740	/* Why that is, we don't know - either the C11 memory model is quite useless */
		741	/* for most usages, or gcc and clang have a bug */
		742	/* I *currently* lean towards the latter, and inefficiently implement */
		743	/* all three of ecb's fences as a seq_cst fence */
		744	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		745	/* for all __atomic_thread_fence's except seq_cst */
		746	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		747	#endif
		748	#endif
		749
		750	#ifndef ECB_MEMORY_FENCE
		751	#if !ECB_AVOID_PTHREADS
		752	/*
		753	* if you get undefined symbol references to pthread_mutex_lock,
		754	* or failure to find pthread.h, then you should implement
		755	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		756	* OR provide pthread.h and link against the posix thread library
		757	* of your system.
		758	*/
		759	#include <pthread.h>
		760	#define ECB_NEEDS_PTHREADS 1
		761	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
		762
		763	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		764	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		765	#endif
		766	#endif
		767
		768	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
		769	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		770	#endif
		771
		772	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
		773	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		774	#endif
		775
		776	/*****************************************************************************/
		777
		778	#if ECB_CPP
488	#define ecb_inline static inline	779	#define ecb_inline static inline
489	#elif ECB_GCC_VERSION(2,5)	780	#elif ECB_GCC_VERSION(2,5)
490	#define ecb_inline static __inline__	781	#define ecb_inline static __inline__
491	#elif ECB_C99	782	#elif ECB_C99
492	#define ecb_inline static inline	783	#define ecb_inline static inline
493	#else	784	#else
494	#define ecb_inline static	785	#define ecb_inline static
495	#endif	786	#endif
496		787
497	#ifndef ECB_MEMORY_FENCE
498	#if ECB_GCC_VERSION(2,5)
499	#if __x86
500	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
501	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
502	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE /* better be safe than sorry */
503	#elif __amd64
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
509	#endif
510
511	#ifndef ECB_MEMORY_FENCE
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 defined(_WIN32) && defined(MemoryBarrier)
517	#define ECB_MEMORY_FENCE MemoryBarrier ()
518	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
519	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
520	#endif
521	#endif
522
523	#ifndef ECB_MEMORY_FENCE
524	#include <pthread.h>
525
526	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
527	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
528	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
529	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
530	#endif
531
532	#if ECB_GCC_VERSION(3,1)	788	#if ECB_GCC_VERSION(3,3)
		789	#define ecb_restrict __restrict__
		790	#elif ECB_C99
		791	#define ecb_restrict restrict
		792	#else
		793	#define ecb_restrict
		794	#endif
		795
		796	typedef int ecb_bool;
		797
		798	#define ECB_CONCAT_(a, b) a ## b
		799	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
		800	#define ECB_STRINGIFY_(a) # a
		801	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		802	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
		803
		804	#define ecb_function_ ecb_inline
		805
		806	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
533	#define ecb_attribute(attrlist) __attribute__(attrlist)	807	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		808	#else
		809	#define ecb_attribute(attrlist)
		810	#endif
		811
		812	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
534	#define ecb_is_constant(expr) __builtin_constant_p (expr)	813	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		814	#else
		815	/* possible C11 impl for integral types
		816	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		817	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		818
		819	#define ecb_is_constant(expr) 0
		820	#endif
		821
		822	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
535	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	823	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		824	#else
		825	#define ecb_expect(expr,value) (expr)
		826	#endif
		827
		828	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
536	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	829	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
537	#else	830	#else
538	#define ecb_attribute(attrlist)
539	#define ecb_is_constant(expr) 0
540	#define ecb_expect(expr,value) (expr)
541	#define ecb_prefetch(addr,rw,locality)	831	#define ecb_prefetch(addr,rw,locality)
542	#endif	832	#endif
543		833
		834	/* no emulation for ecb_decltype */
		835	#if ECB_CPP11
		836	// older implementations might have problems with decltype(x)::type, work around it
		837	template<class T> struct ecb_decltype_t { typedef T type; };
		838	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
		839	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
		840	#define ecb_decltype(x) __typeof__ (x)
		841	#endif
		842
		843	#if _MSC_VER >= 1300
		844	#define ecb_deprecated __declspec (deprecated)
		845	#else
		846	#define ecb_deprecated ecb_attribute ((__deprecated__))
		847	#endif
		848
		849	#if __MSC_VER >= 1500
		850	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		851	#elif ECB_GCC_VERSION(4,5)
		852	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		853	#else
		854	#define ecb_deprecated_message(msg) ecb_deprecated
		855	#endif
		856
		857	#if _MSC_VER >= 1400
		858	#define ecb_noinline __declspec (noinline)
		859	#else
544	#define ecb_noinline ecb_attribute ((__noinline__))	860	#define ecb_noinline ecb_attribute ((__noinline__))
545	#define ecb_noreturn ecb_attribute ((__noreturn__))	861	#endif
		862
546	#define ecb_unused ecb_attribute ((__unused__))	863	#define ecb_unused ecb_attribute ((__unused__))
547	#define ecb_const ecb_attribute ((__const__))	864	#define ecb_const ecb_attribute ((__const__))
548	#define ecb_pure ecb_attribute ((__pure__))	865	#define ecb_pure ecb_attribute ((__pure__))
		866
		867	#if ECB_C11 || __IBMC_NORETURN
		868	/* http://pic.dhe.ibm.com/infocenter/compbg/v121v141/topic/com.ibm.xlcpp121.bg.doc/language_ref/noreturn.html */
		869	#define ecb_noreturn _Noreturn
		870	#elif ECB_CPP11
		871	#define ecb_noreturn [[noreturn]]
		872	#elif _MSC_VER >= 1200
		873	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		874	#define ecb_noreturn __declspec (noreturn)
		875	#else
		876	#define ecb_noreturn ecb_attribute ((__noreturn__))
		877	#endif
549		878
550	#if ECB_GCC_VERSION(4,3)	879	#if ECB_GCC_VERSION(4,3)
551	#define ecb_artificial ecb_attribute ((__artificial__))	880	#define ecb_artificial ecb_attribute ((__artificial__))
552	#define ecb_hot ecb_attribute ((__hot__))	881	#define ecb_hot ecb_attribute ((__hot__))
553	#define ecb_cold ecb_attribute ((__cold__))	882	#define ecb_cold ecb_attribute ((__cold__))
…		…
560	/* put around conditional expressions if you are very sure that the */	889	/* put around conditional expressions if you are very sure that the */
561	/* expression is mostly true or mostly false. note that these return */	890	/* expression is mostly true or mostly false. note that these return */
562	/* booleans, not the expression. */	891	/* booleans, not the expression. */
563	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)	892	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
564	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)	893	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
565	/* ecb.h end */	894	/* for compatibility to the rest of the world */
		895	#define ecb_likely(expr) ecb_expect_true (expr)
		896	#define ecb_unlikely(expr) ecb_expect_false (expr)
		897
		898	/* count trailing zero bits and count # of one bits */
		899	#if ECB_GCC_VERSION(3,4) \
		900	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		901	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		902	&& ECB_CLANG_BUILTIN(__builtin_popcount))
		903	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
		904	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
		905	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
		906	#define ecb_ctz32(x) __builtin_ctz (x)
		907	#define ecb_ctz64(x) __builtin_ctzll (x)
		908	#define ecb_popcount32(x) __builtin_popcount (x)
		909	/* no popcountll */
		910	#else
		911	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
		912	ecb_function_ ecb_const int
		913	ecb_ctz32 (uint32_t x)
		914	{
		915	int r = 0;
		916
		917	x &= ~x + 1; /* this isolates the lowest bit */
		918
		919	#if ECB_branchless_on_i386
		920	r += !!(x & 0xaaaaaaaa) << 0;
		921	r += !!(x & 0xcccccccc) << 1;
		922	r += !!(x & 0xf0f0f0f0) << 2;
		923	r += !!(x & 0xff00ff00) << 3;
		924	r += !!(x & 0xffff0000) << 4;
		925	#else
		926	if (x & 0xaaaaaaaa) r += 1;
		927	if (x & 0xcccccccc) r += 2;
		928	if (x & 0xf0f0f0f0) r += 4;
		929	if (x & 0xff00ff00) r += 8;
		930	if (x & 0xffff0000) r += 16;
		931	#endif
		932
		933	return r;
		934	}
		935
		936	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
		937	ecb_function_ ecb_const int
		938	ecb_ctz64 (uint64_t x)
		939	{
		940	int shift = x & 0xffffffffU ? 0 : 32;
		941	return ecb_ctz32 (x >> shift) + shift;
		942	}
		943
		944	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
		945	ecb_function_ ecb_const int
		946	ecb_popcount32 (uint32_t x)
		947	{
		948	x -= (x >> 1) & 0x55555555;
		949	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
		950	x = ((x >> 4) + x) & 0x0f0f0f0f;
		951	x *= 0x01010101;
		952
		953	return x >> 24;
		954	}
		955
		956	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
		957	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
		958	{
		959	int r = 0;
		960
		961	if (x >> 16) { x >>= 16; r += 16; }
		962	if (x >> 8) { x >>= 8; r += 8; }
		963	if (x >> 4) { x >>= 4; r += 4; }
		964	if (x >> 2) { x >>= 2; r += 2; }
		965	if (x >> 1) { r += 1; }
		966
		967	return r;
		968	}
		969
		970	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
		971	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
		972	{
		973	int r = 0;
		974
		975	if (x >> 32) { x >>= 32; r += 32; }
		976
		977	return r + ecb_ld32 (x);
		978	}
		979	#endif
		980
		981	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
		982	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		983	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
		984	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		985
		986	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
		987	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
		988	{
		989	return ( (x * 0x0802U & 0x22110U)
		990	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		991	}
		992
		993	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
		994	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
		995	{
		996	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		997	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		998	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		999	x = ( x >> 8 ) | ( x << 8);
		1000
		1001	return x;
		1002	}
		1003
		1004	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
		1005	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
		1006	{
		1007	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		1008	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		1009	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		1010	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		1011	x = ( x >> 16 ) | ( x << 16);
		1012
		1013	return x;
		1014	}
		1015
		1016	/* popcount64 is only available on 64 bit cpus as gcc builtin */
		1017	/* so for this version we are lazy */
		1018	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
		1019	ecb_function_ ecb_const int
		1020	ecb_popcount64 (uint64_t x)
		1021	{
		1022	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
		1023	}
		1024
		1025	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
		1026	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
		1027	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
		1028	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
		1029	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
		1030	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
		1031	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
		1032	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
		1033
		1034	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
		1035	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
		1036	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
		1037	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
		1038	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
		1039	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
		1040	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
		1041	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
		1042
		1043	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1044	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1045	#define ecb_bswap32(x) __builtin_bswap32 (x)
		1046	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1047	#else
		1048	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
		1049	ecb_function_ ecb_const uint16_t
		1050	ecb_bswap16 (uint16_t x)
		1051	{
		1052	return ecb_rotl16 (x, 8);
		1053	}
		1054
		1055	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
		1056	ecb_function_ ecb_const uint32_t
		1057	ecb_bswap32 (uint32_t x)
		1058	{
		1059	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
		1060	}
		1061
		1062	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
		1063	ecb_function_ ecb_const uint64_t
		1064	ecb_bswap64 (uint64_t x)
		1065	{
		1066	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
		1067	}
		1068	#endif
		1069
		1070	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
		1071	#define ecb_unreachable() __builtin_unreachable ()
		1072	#else
		1073	/* this seems to work fine, but gcc always emits a warning for it :/ */
		1074	ecb_inline ecb_noreturn void ecb_unreachable (void);
		1075	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
		1076	#endif
		1077
		1078	/* try to tell the compiler that some condition is definitely true */
		1079	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
		1080
		1081	ecb_inline ecb_const unsigned char ecb_byteorder_helper (void);
		1082	ecb_inline ecb_const unsigned char
		1083	ecb_byteorder_helper (void)
		1084	{
		1085	/* the union code still generates code under pressure in gcc, */
		1086	/* but less than using pointers, and always seems to */
		1087	/* successfully return a constant. */
		1088	/* the reason why we have this horrible preprocessor mess */
		1089	/* is to avoid it in all cases, at least on common architectures */
		1090	/* or when using a recent enough gcc version (>= 4.6) */
		1091	#if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64
		1092	return 0x44;
		1093	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		1094	return 0x44;
		1095	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1096	return 0x11;
		1097	#else
		1098	union
		1099	{
		1100	uint32_t i;
		1101	uint8_t c;
		1102	} u = { 0x11223344 };
		1103	return u.c;
		1104	#endif
		1105	}
		1106
		1107	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
		1108	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
		1109	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
		1110	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
		1111
		1112	#if ECB_GCC_VERSION(3,0) || ECB_C99
		1113	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
		1114	#else
		1115	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1116	#endif
		1117
		1118	#if ECB_CPP
		1119	template<typename T>
		1120	static inline T ecb_div_rd (T val, T div)
		1121	{
		1122	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1123	}
		1124	template<typename T>
		1125	static inline T ecb_div_ru (T val, T div)
		1126	{
		1127	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1128	}
		1129	#else
		1130	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1131	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
		1132	#endif
		1133
		1134	#if ecb_cplusplus_does_not_suck
		1135	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
		1136	template<typename T, int N>
		1137	static inline int ecb_array_length (const T (&arr)[N])
		1138	{
		1139	return N;
		1140	}
		1141	#else
		1142	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
		1143	#endif
		1144
		1145	/*******************************************************************************/
		1146	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1147
		1148	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1149	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1150	#if 0 \
		1151	|| __i386 || __i386__ \
		1152	|| ECB_GCC_AMD64 \
		1153	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1154	|| defined __s390__ || defined __s390x__ \
		1155	|| defined __mips__ \
		1156	|| defined __alpha__ \
		1157	|| defined __hppa__ \
		1158	|| defined __ia64__ \
		1159	|| defined __m68k__ \
		1160	|| defined __m88k__ \
		1161	|| defined __sh__ \
		1162	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1163	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1164	|| defined __aarch64__
		1165	#define ECB_STDFP 1
		1166	#include <string.h> /* for memcpy */
		1167	#else
		1168	#define ECB_STDFP 0
		1169	#endif
		1170
		1171	#ifndef ECB_NO_LIBM
		1172
		1173	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1174
		1175	/* only the oldest of old doesn't have this one. solaris. */
		1176	#ifdef INFINITY
		1177	#define ECB_INFINITY INFINITY
		1178	#else
		1179	#define ECB_INFINITY HUGE_VAL
		1180	#endif
		1181
		1182	#ifdef NAN
		1183	#define ECB_NAN NAN
		1184	#else
		1185	#define ECB_NAN ECB_INFINITY
		1186	#endif
		1187
		1188	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1189	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1190	#else
		1191	#define ecb_ldexpf(x,e) (float) ldexp ((float) (x), (e))
		1192	#endif
		1193
		1194	/* converts an ieee half/binary16 to a float */
		1195	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1196	ecb_function_ ecb_const float
		1197	ecb_binary16_to_float (uint16_t x)
		1198	{
		1199	int e = (x >> 10) & 0x1f;
		1200	int m = x & 0x3ff;
		1201	float r;
		1202
		1203	if (!e ) r = ecb_ldexpf (m , -24);
		1204	else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
		1205	else if (m ) r = ECB_NAN;
		1206	else r = ECB_INFINITY;
		1207
		1208	return x & 0x8000 ? -r : r;
		1209	}
		1210
		1211	/* convert a float to ieee single/binary32 */
		1212	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
		1213	ecb_function_ ecb_const uint32_t
		1214	ecb_float_to_binary32 (float x)
		1215	{
		1216	uint32_t r;
		1217
		1218	#if ECB_STDFP
		1219	memcpy (&r, &x, 4);
		1220	#else
		1221	/* slow emulation, works for anything but -0 */
		1222	uint32_t m;
		1223	int e;
		1224
		1225	if (x == 0e0f ) return 0x00000000U;
		1226	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1227	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1228	if (x != x ) return 0x7fbfffffU;
		1229
		1230	m = frexpf (x, &e) * 0x1000000U;
		1231
		1232	r = m & 0x80000000U;
		1233
		1234	if (r)
		1235	m = -m;
		1236
		1237	if (e <= -126)
		1238	{
		1239	m &= 0xffffffU;
		1240	m >>= (-125 - e);
		1241	e = -126;
		1242	}
		1243
		1244	r |= (e + 126) << 23;
		1245	r |= m & 0x7fffffU;
		1246	#endif
		1247
		1248	return r;
		1249	}
		1250
		1251	/* converts an ieee single/binary32 to a float */
		1252	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
		1253	ecb_function_ ecb_const float
		1254	ecb_binary32_to_float (uint32_t x)
		1255	{
		1256	float r;
		1257
		1258	#if ECB_STDFP
		1259	memcpy (&r, &x, 4);
		1260	#else
		1261	/* emulation, only works for normals and subnormals and +0 */
		1262	int neg = x >> 31;
		1263	int e = (x >> 23) & 0xffU;
		1264
		1265	x &= 0x7fffffU;
		1266
		1267	if (e)
		1268	x |= 0x800000U;
		1269	else
		1270	e = 1;
		1271
		1272	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1273	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
		1274
		1275	r = neg ? -r : r;
		1276	#endif
		1277
		1278	return r;
		1279	}
		1280
		1281	/* convert a double to ieee double/binary64 */
		1282	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
		1283	ecb_function_ ecb_const uint64_t
		1284	ecb_double_to_binary64 (double x)
		1285	{
		1286	uint64_t r;
		1287
		1288	#if ECB_STDFP
		1289	memcpy (&r, &x, 8);
		1290	#else
		1291	/* slow emulation, works for anything but -0 */
		1292	uint64_t m;
		1293	int e;
		1294
		1295	if (x == 0e0 ) return 0x0000000000000000U;
		1296	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1297	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1298	if (x != x ) return 0X7ff7ffffffffffffU;
		1299
		1300	m = frexp (x, &e) * 0x20000000000000U;
		1301
		1302	r = m & 0x8000000000000000;;
		1303
		1304	if (r)
		1305	m = -m;
		1306
		1307	if (e <= -1022)
		1308	{
		1309	m &= 0x1fffffffffffffU;
		1310	m >>= (-1021 - e);
		1311	e = -1022;
		1312	}
		1313
		1314	r |= ((uint64_t)(e + 1022)) << 52;
		1315	r |= m & 0xfffffffffffffU;
		1316	#endif
		1317
		1318	return r;
		1319	}
		1320
		1321	/* converts an ieee double/binary64 to a double */
		1322	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
		1323	ecb_function_ ecb_const double
		1324	ecb_binary64_to_double (uint64_t x)
		1325	{
		1326	double r;
		1327
		1328	#if ECB_STDFP
		1329	memcpy (&r, &x, 8);
		1330	#else
		1331	/* emulation, only works for normals and subnormals and +0 */
		1332	int neg = x >> 63;
		1333	int e = (x >> 52) & 0x7ffU;
		1334
		1335	x &= 0xfffffffffffffU;
		1336
		1337	if (e)
		1338	x |= 0x10000000000000U;
		1339	else
		1340	e = 1;
		1341
		1342	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1343	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1344
		1345	r = neg ? -r : r;
		1346	#endif
		1347
		1348	return r;
		1349	}
		1350
		1351	#endif
		1352
		1353	#endif
		1354
		1355	/* ECB.H END */
		1356
		1357	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1358	/* if your architecture doesn't need memory fences, e.g. because it is
		1359	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1360	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1361	* libev, in which cases the memory fences become nops.
		1362	* alternatively, you can remove this #error and link against libpthread,
		1363	* which will then provide the memory fences.
		1364	*/
		1365	# error "memory fences not defined for your architecture, please report"
		1366	#endif
		1367
		1368	#ifndef ECB_MEMORY_FENCE
		1369	# define ECB_MEMORY_FENCE do { } while (0)
		1370	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1371	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		1372	#endif
566		1373
567	#define expect_false(cond) ecb_expect_false (cond)	1374	#define expect_false(cond) ecb_expect_false (cond)
568	#define expect_true(cond) ecb_expect_true (cond)	1375	#define expect_true(cond) ecb_expect_true (cond)
569	#define noinline ecb_noinline	1376	#define noinline ecb_noinline
570		1377
…		…
716	{	1523	{
717	write (STDERR_FILENO, msg, strlen (msg));	1524	write (STDERR_FILENO, msg, strlen (msg));
718	}	1525	}
719	#endif	1526	#endif
720		1527
721	static void (*syserr_cb)(const char *msg);	1528	static void (*syserr_cb)(const char *msg) EV_THROW;
722		1529
723	void ecb_cold	1530	void ecb_cold
724	ev_set_syserr_cb (void (*cb)(const char *msg))	1531	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
725	{	1532	{
726	syserr_cb = cb;	1533	syserr_cb = cb;
727	}	1534	}
728		1535
729	static void noinline ecb_cold	1536	static void noinline ecb_cold
…		…
747	abort ();	1554	abort ();
748	}	1555	}
749	}	1556	}
750		1557
751	static void *	1558	static void *
752	ev_realloc_emul (void *ptr, long size)	1559	ev_realloc_emul (void *ptr, long size) EV_THROW
753	{	1560	{
754	#if __GLIBC__
755	return realloc (ptr, size);
756	#else
757	/* some systems, notably openbsd and darwin, fail to properly	1561	/* some systems, notably openbsd and darwin, fail to properly
758	* implement realloc (x, 0) (as required by both ansi c-89 and	1562	* implement realloc (x, 0) (as required by both ansi c-89 and
759	* the single unix specification, so work around them here.	1563	* the single unix specification, so work around them here.
		1564	* recently, also (at least) fedora and debian started breaking it,
		1565	* despite documenting it otherwise.
760	*/	1566	*/
761		1567
762	if (size)	1568	if (size)
763	return realloc (ptr, size);	1569	return realloc (ptr, size);
764		1570
765	free (ptr);	1571	free (ptr);
766	return 0;	1572	return 0;
767	#endif
768	}	1573	}
769		1574
770	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1575	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
771		1576
772	void ecb_cold	1577	void ecb_cold
773	ev_set_allocator (void *(*cb)(void *ptr, long size))	1578	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
774	{	1579	{
775	alloc = cb;	1580	alloc = cb;
776	}	1581	}
777		1582
778	inline_speed void *	1583	inline_speed void *
…		…
866	#undef VAR	1671	#undef VAR
867	};	1672	};
868	#include "ev_wrap.h"	1673	#include "ev_wrap.h"
869		1674
870	static struct ev_loop default_loop_struct;	1675	static struct ev_loop default_loop_struct;
871	struct ev_loop *ev_default_loop_ptr;	1676	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
872		1677
873	#else	1678	#else
874		1679
875	ev_tstamp ev_rt_now;	1680	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
876	#define VAR(name,decl) static decl;	1681	#define VAR(name,decl) static decl;
877	#include "ev_vars.h"	1682	#include "ev_vars.h"
878	#undef VAR	1683	#undef VAR
879		1684
880	static int ev_default_loop_ptr;	1685	static int ev_default_loop_ptr;
…		…
895		1700
896	/*****************************************************************************/	1701	/*****************************************************************************/
897		1702
898	#ifndef EV_HAVE_EV_TIME	1703	#ifndef EV_HAVE_EV_TIME
899	ev_tstamp	1704	ev_tstamp
900	ev_time (void)	1705	ev_time (void) EV_THROW
901	{	1706	{
902	#if EV_USE_REALTIME	1707	#if EV_USE_REALTIME
903	if (expect_true (have_realtime))	1708	if (expect_true (have_realtime))
904	{	1709	{
905	struct timespec ts;	1710	struct timespec ts;
…		…
929	return ev_time ();	1734	return ev_time ();
930	}	1735	}
931		1736
932	#if EV_MULTIPLICITY	1737	#if EV_MULTIPLICITY
933	ev_tstamp	1738	ev_tstamp
934	ev_now (EV_P)	1739	ev_now (EV_P) EV_THROW
935	{	1740	{
936	return ev_rt_now;	1741	return ev_rt_now;
937	}	1742	}
938	#endif	1743	#endif
939		1744
940	void	1745	void
941	ev_sleep (ev_tstamp delay)	1746	ev_sleep (ev_tstamp delay) EV_THROW
942	{	1747	{
943	if (delay > 0.)	1748	if (delay > 0.)
944	{	1749	{
945	#if EV_USE_NANOSLEEP	1750	#if EV_USE_NANOSLEEP
946	struct timespec ts;	1751	struct timespec ts;
947		1752
948	EV_TS_SET (ts, delay);	1753	EV_TS_SET (ts, delay);
949	nanosleep (&ts, 0);	1754	nanosleep (&ts, 0);
950	#elif defined(_WIN32)	1755	#elif defined _WIN32
951	Sleep ((unsigned long)(delay * 1e3));	1756	Sleep ((unsigned long)(delay * 1e3));
952	#else	1757	#else
953	struct timeval tv;	1758	struct timeval tv;
954		1759
955	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1760	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
974		1779
975	do	1780	do
976	ncur <<= 1;	1781	ncur <<= 1;
977	while (cnt > ncur);	1782	while (cnt > ncur);
978		1783
979	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1784	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
980	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1785	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
981	{	1786	{
982	ncur *= elem;	1787	ncur *= elem;
983	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1788	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
984	ncur = ncur - sizeof (void *) * 4;	1789	ncur = ncur - sizeof (void *) * 4;
…		…
1027	pendingcb (EV_P_ ev_prepare *w, int revents)	1832	pendingcb (EV_P_ ev_prepare *w, int revents)
1028	{	1833	{
1029	}	1834	}
1030		1835
1031	void noinline	1836	void noinline
1032	ev_feed_event (EV_P_ void *w, int revents)	1837	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1033	{	1838	{
1034	W w_ = (W)w;	1839	W w_ = (W)w;
1035	int pri = ABSPRI (w_);	1840	int pri = ABSPRI (w_);
1036		1841
1037	if (expect_false (w_->pending))	1842	if (expect_false (w_->pending))
…		…
1041	w_->pending = ++pendingcnt [pri];	1846	w_->pending = ++pendingcnt [pri];
1042	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1847	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1043	pendings [pri][w_->pending - 1].w = w_;	1848	pendings [pri][w_->pending - 1].w = w_;
1044	pendings [pri][w_->pending - 1].events = revents;	1849	pendings [pri][w_->pending - 1].events = revents;
1045	}	1850	}
		1851
		1852	pendingpri = NUMPRI - 1;
1046	}	1853	}
1047		1854
1048	inline_speed void	1855	inline_speed void
1049	feed_reverse (EV_P_ W w)	1856	feed_reverse (EV_P_ W w)
1050	{	1857	{
…		…
1096	if (expect_true (!anfd->reify))	1903	if (expect_true (!anfd->reify))
1097	fd_event_nocheck (EV_A_ fd, revents);	1904	fd_event_nocheck (EV_A_ fd, revents);
1098	}	1905	}
1099		1906
1100	void	1907	void
1101	ev_feed_fd_event (EV_P_ int fd, int revents)	1908	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1102	{	1909	{
1103	if (fd >= 0 && fd < anfdmax)	1910	if (fd >= 0 && fd < anfdmax)
1104	fd_event_nocheck (EV_A_ fd, revents);	1911	fd_event_nocheck (EV_A_ fd, revents);
1105	}	1912	}
1106		1913
…		…
1425	static void noinline ecb_cold	2232	static void noinline ecb_cold
1426	evpipe_init (EV_P)	2233	evpipe_init (EV_P)
1427	{	2234	{
1428	if (!ev_is_active (&pipe_w))	2235	if (!ev_is_active (&pipe_w))
1429	{	2236	{
		2237	int fds [2];
		2238
1430	# if EV_USE_EVENTFD	2239	# if EV_USE_EVENTFD
		2240	fds [0] = -1;
1431	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2241	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1432	if (evfd < 0 && errno == EINVAL)	2242	if (fds [1] < 0 && errno == EINVAL)
1433	evfd = eventfd (0, 0);	2243	fds [1] = eventfd (0, 0);
1434		2244
1435	if (evfd >= 0)	2245	if (fds [1] < 0)
		2246	# endif
1436	{	2247	{
		2248	while (pipe (fds))
		2249	ev_syserr ("(libev) error creating signal/async pipe");
		2250
		2251	fd_intern (fds [0]);
		2252	}
		2253
1437	evpipe [0] = -1;	2254	evpipe [0] = fds [0];
1438	fd_intern (evfd); /* doing it twice doesn't hurt */	2255
1439	ev_io_set (&pipe_w, evfd, EV_READ);	2256	if (evpipe [1] < 0)
		2257	evpipe [1] = fds [1]; /* first call, set write fd */
		2258	else
		2259	{
		2260	/* on subsequent calls, do not change evpipe [1] */
		2261	/* so that evpipe_write can always rely on its value. */
		2262	/* this branch does not do anything sensible on windows, */
		2263	/* so must not be executed on windows */
		2264
		2265	dup2 (fds [1], evpipe [1]);
		2266	close (fds [1]);
		2267	}
		2268
		2269	fd_intern (evpipe [1]);
		2270
		2271	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2272	ev_io_start (EV_A_ &pipe_w);
		2273	ev_unref (EV_A); /* watcher should not keep loop alive */
		2274	}
		2275	}
		2276
		2277	inline_speed void
		2278	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2279	{
		2280	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2281
		2282	if (expect_true (*flag))
		2283	return;
		2284
		2285	*flag = 1;
		2286	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2287
		2288	pipe_write_skipped = 1;
		2289
		2290	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2291
		2292	if (pipe_write_wanted)
		2293	{
		2294	int old_errno;
		2295
		2296	pipe_write_skipped = 0;
		2297	ECB_MEMORY_FENCE_RELEASE;
		2298
		2299	old_errno = errno; /* save errno because write will clobber it */
		2300
		2301	#if EV_USE_EVENTFD
		2302	if (evpipe [0] < 0)
		2303	{
		2304	uint64_t counter = 1;
		2305	write (evpipe [1], &counter, sizeof (uint64_t));
1440	}	2306	}
1441	else	2307	else
1442	# endif	2308	#endif
1443	{	2309	{
1444	while (pipe (evpipe))	2310	#ifdef _WIN32
1445	ev_syserr ("(libev) error creating signal/async pipe");	2311	WSABUF buf;
1446		2312	DWORD sent;
1447	fd_intern (evpipe [0]);	2313	buf.buf = &buf;
1448	fd_intern (evpipe [1]);	2314	buf.len = 1;
1449	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2315	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1450	}	2316	#else
1451
1452	ev_io_start (EV_A_ &pipe_w);
1453	ev_unref (EV_A); /* watcher should not keep loop alive */
1454	}
1455	}
1456
1457	inline_speed void
1458	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1459	{
1460	if (expect_true (*flag))
1461	/*return*//*D*/;
1462
1463	*flag = 1;
1464
1465	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1466
1467	pipe_write_skipped = 1;
1468
1469	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1470
1471	if (pipe_write_wanted)
1472	{
1473	int old_errno;
1474
1475	pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
1476
1477	old_errno = errno; /* save errno because write will clobber it */
1478
1479	#if EV_USE_EVENTFD
1480	if (evfd >= 0)
1481	{
1482	uint64_t counter = 1;
1483	write (evfd, &counter, sizeof (uint64_t));
1484	}
1485	else
1486	#endif
1487	{
1488	/* win32 people keep sending patches that change this write() to send() */
1489	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1490	/* so when you think this write should be a send instead, please find out */
1491	/* where your send() is from - it's definitely not the microsoft send, and */
1492	/* tell me. thank you. */
1493	write (evpipe [1], &(evpipe [1]), 1);	2317	write (evpipe [1], &(evpipe [1]), 1);
		2318	#endif
1494	}	2319	}
1495		2320
1496	errno = old_errno;	2321	errno = old_errno;
1497	}	2322	}
1498	}	2323	}
…		…
1505	int i;	2330	int i;
1506		2331
1507	if (revents & EV_READ)	2332	if (revents & EV_READ)
1508	{	2333	{
1509	#if EV_USE_EVENTFD	2334	#if EV_USE_EVENTFD
1510	if (evfd >= 0)	2335	if (evpipe [0] < 0)
1511	{	2336	{
1512	uint64_t counter;	2337	uint64_t counter;
1513	read (evfd, &counter, sizeof (uint64_t));	2338	read (evpipe [1], &counter, sizeof (uint64_t));
1514	}	2339	}
1515	else	2340	else
1516	#endif	2341	#endif
1517	{	2342	{
1518	char dummy;	2343	char dummy[4];
1519	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2344	#ifdef _WIN32
		2345	WSABUF buf;
		2346	DWORD recvd;
		2347	DWORD flags = 0;
		2348	buf.buf = dummy;
		2349	buf.len = sizeof (dummy);
		2350	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2351	#else
1520	read (evpipe [0], &dummy, 1);	2352	read (evpipe [0], &dummy, sizeof (dummy));
		2353	#endif
1521	}	2354	}
1522	}	2355	}
1523		2356
1524	pipe_write_skipped = 0;	2357	pipe_write_skipped = 0;
		2358
		2359	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1525		2360
1526	#if EV_SIGNAL_ENABLE	2361	#if EV_SIGNAL_ENABLE
1527	if (sig_pending)	2362	if (sig_pending)
1528	{	2363	{
1529	sig_pending = 0;	2364	sig_pending = 0;
		2365
		2366	ECB_MEMORY_FENCE;
1530		2367
1531	for (i = EV_NSIG - 1; i--; )	2368	for (i = EV_NSIG - 1; i--; )
1532	if (expect_false (signals [i].pending))	2369	if (expect_false (signals [i].pending))
1533	ev_feed_signal_event (EV_A_ i + 1);	2370	ev_feed_signal_event (EV_A_ i + 1);
1534	}	2371	}
…		…
1536		2373
1537	#if EV_ASYNC_ENABLE	2374	#if EV_ASYNC_ENABLE
1538	if (async_pending)	2375	if (async_pending)
1539	{	2376	{
1540	async_pending = 0;	2377	async_pending = 0;
		2378
		2379	ECB_MEMORY_FENCE;
1541		2380
1542	for (i = asynccnt; i--; )	2381	for (i = asynccnt; i--; )
1543	if (asyncs [i]->sent)	2382	if (asyncs [i]->sent)
1544	{	2383	{
1545	asyncs [i]->sent = 0;	2384	asyncs [i]->sent = 0;
		2385	ECB_MEMORY_FENCE_RELEASE;
1546	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2386	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1547	}	2387	}
1548	}	2388	}
1549	#endif	2389	#endif
1550	}	2390	}
1551		2391
1552	/*****************************************************************************/	2392	/*****************************************************************************/
1553		2393
1554	void	2394	void
1555	ev_feed_signal (int signum)	2395	ev_feed_signal (int signum) EV_THROW
1556	{	2396	{
1557	#if EV_MULTIPLICITY	2397	#if EV_MULTIPLICITY
		2398	EV_P;
		2399	ECB_MEMORY_FENCE_ACQUIRE;
1558	EV_P = signals [signum - 1].loop;	2400	EV_A = signals [signum - 1].loop;
1559		2401
1560	if (!EV_A)	2402	if (!EV_A)
1561	return;	2403	return;
1562	#endif	2404	#endif
1563		2405
1564	if (!ev_active (&pipe_w))
1565	return;
1566
1567	signals [signum - 1].pending = 1;	2406	signals [signum - 1].pending = 1;
1568	evpipe_write (EV_A_ &sig_pending);	2407	evpipe_write (EV_A_ &sig_pending);
1569	}	2408	}
1570		2409
1571	static void	2410	static void
…		…
1577		2416
1578	ev_feed_signal (signum);	2417	ev_feed_signal (signum);
1579	}	2418	}
1580		2419
1581	void noinline	2420	void noinline
1582	ev_feed_signal_event (EV_P_ int signum)	2421	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1583	{	2422	{
1584	WL w;	2423	WL w;
1585		2424
1586	if (expect_false (signum <= 0 || signum > EV_NSIG))	2425	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1587	return;	2426	return;
1588		2427
1589	--signum;	2428	--signum;
1590		2429
1591	#if EV_MULTIPLICITY	2430	#if EV_MULTIPLICITY
…		…
1595	if (expect_false (signals [signum].loop != EV_A))	2434	if (expect_false (signals [signum].loop != EV_A))
1596	return;	2435	return;
1597	#endif	2436	#endif
1598		2437
1599	signals [signum].pending = 0;	2438	signals [signum].pending = 0;
		2439	ECB_MEMORY_FENCE_RELEASE;
1600		2440
1601	for (w = signals [signum].head; w; w = w->next)	2441	for (w = signals [signum].head; w; w = w->next)
1602	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2442	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1603	}	2443	}
1604		2444
…		…
1703	#if EV_USE_SELECT	2543	#if EV_USE_SELECT
1704	# include "ev_select.c"	2544	# include "ev_select.c"
1705	#endif	2545	#endif
1706		2546
1707	int ecb_cold	2547	int ecb_cold
1708	ev_version_major (void)	2548	ev_version_major (void) EV_THROW
1709	{	2549	{
1710	return EV_VERSION_MAJOR;	2550	return EV_VERSION_MAJOR;
1711	}	2551	}
1712		2552
1713	int ecb_cold	2553	int ecb_cold
1714	ev_version_minor (void)	2554	ev_version_minor (void) EV_THROW
1715	{	2555	{
1716	return EV_VERSION_MINOR;	2556	return EV_VERSION_MINOR;
1717	}	2557	}
1718		2558
1719	/* return true if we are running with elevated privileges and should ignore env variables */	2559	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
1727	|| getgid () != getegid ();	2567	|| getgid () != getegid ();
1728	#endif	2568	#endif
1729	}	2569	}
1730		2570
1731	unsigned int ecb_cold	2571	unsigned int ecb_cold
1732	ev_supported_backends (void)	2572	ev_supported_backends (void) EV_THROW
1733	{	2573	{
1734	unsigned int flags = 0;	2574	unsigned int flags = 0;
1735		2575
1736	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2576	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1737	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2577	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
1741		2581
1742	return flags;	2582	return flags;
1743	}	2583	}
1744		2584
1745	unsigned int ecb_cold	2585	unsigned int ecb_cold
1746	ev_recommended_backends (void)	2586	ev_recommended_backends (void) EV_THROW
1747	{	2587	{
1748	unsigned int flags = ev_supported_backends ();	2588	unsigned int flags = ev_supported_backends ();
1749		2589
1750	#ifndef __NetBSD__	2590	#ifndef __NetBSD__
1751	/* kqueue is borked on everything but netbsd apparently */	2591	/* kqueue is borked on everything but netbsd apparently */
…		…
1763		2603
1764	return flags;	2604	return flags;
1765	}	2605	}
1766		2606
1767	unsigned int ecb_cold	2607	unsigned int ecb_cold
1768	ev_embeddable_backends (void)	2608	ev_embeddable_backends (void) EV_THROW
1769	{	2609	{
1770	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2610	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1771		2611
1772	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2612	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1773	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2613	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
1775		2615
1776	return flags;	2616	return flags;
1777	}	2617	}
1778		2618
1779	unsigned int	2619	unsigned int
1780	ev_backend (EV_P)	2620	ev_backend (EV_P) EV_THROW
1781	{	2621	{
1782	return backend;	2622	return backend;
1783	}	2623	}
1784		2624
1785	#if EV_FEATURE_API	2625	#if EV_FEATURE_API
1786	unsigned int	2626	unsigned int
1787	ev_iteration (EV_P)	2627	ev_iteration (EV_P) EV_THROW
1788	{	2628	{
1789	return loop_count;	2629	return loop_count;
1790	}	2630	}
1791		2631
1792	unsigned int	2632	unsigned int
1793	ev_depth (EV_P)	2633	ev_depth (EV_P) EV_THROW
1794	{	2634	{
1795	return loop_depth;	2635	return loop_depth;
1796	}	2636	}
1797		2637
1798	void	2638	void
1799	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2639	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1800	{	2640	{
1801	io_blocktime = interval;	2641	io_blocktime = interval;
1802	}	2642	}
1803		2643
1804	void	2644	void
1805	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2645	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1806	{	2646	{
1807	timeout_blocktime = interval;	2647	timeout_blocktime = interval;
1808	}	2648	}
1809		2649
1810	void	2650	void
1811	ev_set_userdata (EV_P_ void *data)	2651	ev_set_userdata (EV_P_ void *data) EV_THROW
1812	{	2652	{
1813	userdata = data;	2653	userdata = data;
1814	}	2654	}
1815		2655
1816	void *	2656	void *
1817	ev_userdata (EV_P)	2657	ev_userdata (EV_P) EV_THROW
1818	{	2658	{
1819	return userdata;	2659	return userdata;
1820	}	2660	}
1821		2661
1822	void	2662	void
1823	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2663	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
1824	{	2664	{
1825	invoke_cb = invoke_pending_cb;	2665	invoke_cb = invoke_pending_cb;
1826	}	2666	}
1827		2667
1828	void	2668	void
1829	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2669	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
1830	{	2670	{
1831	release_cb = release;	2671	release_cb = release;
1832	acquire_cb = acquire;	2672	acquire_cb = acquire;
1833	}	2673	}
1834	#endif	2674	#endif
1835		2675
1836	/* initialise a loop structure, must be zero-initialised */	2676	/* initialise a loop structure, must be zero-initialised */
1837	static void noinline ecb_cold	2677	static void noinline ecb_cold
1838	loop_init (EV_P_ unsigned int flags)	2678	loop_init (EV_P_ unsigned int flags) EV_THROW
1839	{	2679	{
1840	if (!backend)	2680	if (!backend)
1841	{	2681	{
1842	origflags = flags;	2682	origflags = flags;
1843		2683
…		…
1888	#if EV_ASYNC_ENABLE	2728	#if EV_ASYNC_ENABLE
1889	async_pending = 0;	2729	async_pending = 0;
1890	#endif	2730	#endif
1891	pipe_write_skipped = 0;	2731	pipe_write_skipped = 0;
1892	pipe_write_wanted = 0;	2732	pipe_write_wanted = 0;
		2733	evpipe [0] = -1;
		2734	evpipe [1] = -1;
1893	#if EV_USE_INOTIFY	2735	#if EV_USE_INOTIFY
1894	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2736	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1895	#endif	2737	#endif
1896	#if EV_USE_SIGNALFD	2738	#if EV_USE_SIGNALFD
1897	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2739	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
1948	EV_INVOKE_PENDING;	2790	EV_INVOKE_PENDING;
1949	}	2791	}
1950	#endif	2792	#endif
1951		2793
1952	#if EV_CHILD_ENABLE	2794	#if EV_CHILD_ENABLE
1953	if (ev_is_active (&childev))	2795	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1954	{	2796	{
1955	ev_ref (EV_A); /* child watcher */	2797	ev_ref (EV_A); /* child watcher */
1956	ev_signal_stop (EV_A_ &childev);	2798	ev_signal_stop (EV_A_ &childev);
1957	}	2799	}
1958	#endif	2800	#endif
…		…
1960	if (ev_is_active (&pipe_w))	2802	if (ev_is_active (&pipe_w))
1961	{	2803	{
1962	/*ev_ref (EV_A);*/	2804	/*ev_ref (EV_A);*/
1963	/*ev_io_stop (EV_A_ &pipe_w);*/	2805	/*ev_io_stop (EV_A_ &pipe_w);*/
1964		2806
1965	#if EV_USE_EVENTFD
1966	if (evfd >= 0)
1967	close (evfd);
1968	#endif
1969
1970	if (evpipe [0] >= 0)
1971	{
1972	EV_WIN32_CLOSE_FD (evpipe [0]);	2807	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1973	EV_WIN32_CLOSE_FD (evpipe [1]);	2808	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1974	}
1975	}	2809	}
1976		2810
1977	#if EV_USE_SIGNALFD	2811	#if EV_USE_SIGNALFD
1978	if (ev_is_active (&sigfd_w))	2812	if (ev_is_active (&sigfd_w))
1979	close (sigfd);	2813	close (sigfd);
…		…
2065	#endif	2899	#endif
2066	#if EV_USE_INOTIFY	2900	#if EV_USE_INOTIFY
2067	infy_fork (EV_A);	2901	infy_fork (EV_A);
2068	#endif	2902	#endif
2069		2903
		2904	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2070	if (ev_is_active (&pipe_w))	2905	if (ev_is_active (&pipe_w))
2071	{	2906	{
2072	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2907	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2073		2908
2074	ev_ref (EV_A);	2909	ev_ref (EV_A);
2075	ev_io_stop (EV_A_ &pipe_w);	2910	ev_io_stop (EV_A_ &pipe_w);
2076		2911
2077	#if EV_USE_EVENTFD
2078	if (evfd >= 0)
2079	close (evfd);
2080	#endif
2081
2082	if (evpipe [0] >= 0)	2912	if (evpipe [0] >= 0)
2083	{
2084	EV_WIN32_CLOSE_FD (evpipe [0]);	2913	EV_WIN32_CLOSE_FD (evpipe [0]);
2085	EV_WIN32_CLOSE_FD (evpipe [1]);
2086	}
2087		2914
2088	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2089	evpipe_init (EV_A);	2915	evpipe_init (EV_A);
2090	/* now iterate over everything, in case we missed something */	2916	/* iterate over everything, in case we missed something before */
2091	pipecb (EV_A_ &pipe_w, EV_READ);	2917	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2092	#endif
2093	}	2918	}
		2919	#endif
2094		2920
2095	postfork = 0;	2921	postfork = 0;
2096	}	2922	}
2097		2923
2098	#if EV_MULTIPLICITY	2924	#if EV_MULTIPLICITY
2099		2925
2100	struct ev_loop * ecb_cold	2926	struct ev_loop * ecb_cold
2101	ev_loop_new (unsigned int flags)	2927	ev_loop_new (unsigned int flags) EV_THROW
2102	{	2928	{
2103	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2929	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2104		2930
2105	memset (EV_A, 0, sizeof (struct ev_loop));	2931	memset (EV_A, 0, sizeof (struct ev_loop));
2106	loop_init (EV_A_ flags);	2932	loop_init (EV_A_ flags);
…		…
2150	}	2976	}
2151	#endif	2977	#endif
2152		2978
2153	#if EV_FEATURE_API	2979	#if EV_FEATURE_API
2154	void ecb_cold	2980	void ecb_cold
2155	ev_verify (EV_P)	2981	ev_verify (EV_P) EV_THROW
2156	{	2982	{
2157	#if EV_VERIFY	2983	#if EV_VERIFY
2158	int i;	2984	int i;
2159	WL w;	2985	WL w, w2;
2160		2986
2161	assert (activecnt >= -1);	2987	assert (activecnt >= -1);
2162		2988
2163	assert (fdchangemax >= fdchangecnt);	2989	assert (fdchangemax >= fdchangecnt);
2164	for (i = 0; i < fdchangecnt; ++i)	2990	for (i = 0; i < fdchangecnt; ++i)
2165	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2991	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2166		2992
2167	assert (anfdmax >= 0);	2993	assert (anfdmax >= 0);
2168	for (i = 0; i < anfdmax; ++i)	2994	for (i = 0; i < anfdmax; ++i)
		2995	{
		2996	int j = 0;
		2997
2169	for (w = anfds [i].head; w; w = w->next)	2998	for (w = w2 = anfds [i].head; w; w = w->next)
2170	{	2999	{
2171	verify_watcher (EV_A_ (W)w);	3000	verify_watcher (EV_A_ (W)w);
		3001
		3002	if (j++ & 1)
		3003	{
		3004	assert (("libev: io watcher list contains a loop", w != w2));
		3005	w2 = w2->next;
		3006	}
		3007
2172	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	3008	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2173	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	3009	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2174	}	3010	}
		3011	}
2175		3012
2176	assert (timermax >= timercnt);	3013	assert (timermax >= timercnt);
2177	verify_heap (EV_A_ timers, timercnt);	3014	verify_heap (EV_A_ timers, timercnt);
2178		3015
2179	#if EV_PERIODIC_ENABLE	3016	#if EV_PERIODIC_ENABLE
…		…
2229	#if EV_MULTIPLICITY	3066	#if EV_MULTIPLICITY
2230	struct ev_loop * ecb_cold	3067	struct ev_loop * ecb_cold
2231	#else	3068	#else
2232	int	3069	int
2233	#endif	3070	#endif
2234	ev_default_loop (unsigned int flags)	3071	ev_default_loop (unsigned int flags) EV_THROW
2235	{	3072	{
2236	if (!ev_default_loop_ptr)	3073	if (!ev_default_loop_ptr)
2237	{	3074	{
2238	#if EV_MULTIPLICITY	3075	#if EV_MULTIPLICITY
2239	EV_P = ev_default_loop_ptr = &default_loop_struct;	3076	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2258		3095
2259	return ev_default_loop_ptr;	3096	return ev_default_loop_ptr;
2260	}	3097	}
2261		3098
2262	void	3099	void
2263	ev_loop_fork (EV_P)	3100	ev_loop_fork (EV_P) EV_THROW
2264	{	3101	{
2265	postfork = 1; /* must be in line with ev_default_fork */	3102	postfork = 1;
2266	}	3103	}
2267		3104
2268	/*****************************************************************************/	3105	/*****************************************************************************/
2269		3106
2270	void	3107	void
…		…
2272	{	3109	{
2273	EV_CB_INVOKE ((W)w, revents);	3110	EV_CB_INVOKE ((W)w, revents);
2274	}	3111	}
2275		3112
2276	unsigned int	3113	unsigned int
2277	ev_pending_count (EV_P)	3114	ev_pending_count (EV_P) EV_THROW
2278	{	3115	{
2279	int pri;	3116	int pri;
2280	unsigned int count = 0;	3117	unsigned int count = 0;
2281		3118
2282	for (pri = NUMPRI; pri--; )	3119	for (pri = NUMPRI; pri--; )
…		…
2286	}	3123	}
2287		3124
2288	void noinline	3125	void noinline
2289	ev_invoke_pending (EV_P)	3126	ev_invoke_pending (EV_P)
2290	{	3127	{
2291	int pri;	3128	pendingpri = NUMPRI;
2292		3129
2293	for (pri = NUMPRI; pri--; )	3130	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3131	{
		3132	--pendingpri;
		3133
2294	while (pendingcnt [pri])	3134	while (pendingcnt [pendingpri])
2295	{	3135	{
2296	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3136	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2297		3137
2298	p->w->pending = 0;	3138	p->w->pending = 0;
2299	EV_CB_INVOKE (p->w, p->events);	3139	EV_CB_INVOKE (p->w, p->events);
2300	EV_FREQUENT_CHECK;	3140	EV_FREQUENT_CHECK;
2301	}	3141	}
		3142	}
2302	}	3143	}
2303		3144
2304	#if EV_IDLE_ENABLE	3145	#if EV_IDLE_ENABLE
2305	/* make idle watchers pending. this handles the "call-idle */	3146	/* make idle watchers pending. this handles the "call-idle */
2306	/* only when higher priorities are idle" logic */	3147	/* only when higher priorities are idle" logic */
…		…
2396	{	3237	{
2397	EV_FREQUENT_CHECK;	3238	EV_FREQUENT_CHECK;
2398		3239
2399	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3240	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2400	{	3241	{
2401	int feed_count = 0;
2402
2403	do	3242	do
2404	{	3243	{
2405	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3244	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2406		3245
2407	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3246	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2541		3380
2542	mn_now = ev_rt_now;	3381	mn_now = ev_rt_now;
2543	}	3382	}
2544	}	3383	}
2545		3384
2546	void	3385	int
2547	ev_run (EV_P_ int flags)	3386	ev_run (EV_P_ int flags)
2548	{	3387	{
2549	#if EV_FEATURE_API	3388	#if EV_FEATURE_API
2550	++loop_depth;	3389	++loop_depth;
2551	#endif	3390	#endif
…		…
2612	time_update (EV_A_ 1e100);	3451	time_update (EV_A_ 1e100);
2613		3452
2614	/* from now on, we want a pipe-wake-up */	3453	/* from now on, we want a pipe-wake-up */
2615	pipe_write_wanted = 1;	3454	pipe_write_wanted = 1;
2616		3455
2617	ECB_MEMORY_FENCE; /* amke sure pipe_write_wanted is visible before we check for potential skips */	3456	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
2618		3457
2619	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3458	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2620	{	3459	{
2621	waittime = MAX_BLOCKTIME;	3460	waittime = MAX_BLOCKTIME;
2622		3461
…		…
2664	#endif	3503	#endif
2665	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3504	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2666	backend_poll (EV_A_ waittime);	3505	backend_poll (EV_A_ waittime);
2667	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3506	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2668		3507
2669	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3508	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2670		3509
		3510	ECB_MEMORY_FENCE_ACQUIRE;
2671	if (pipe_write_skipped)	3511	if (pipe_write_skipped)
2672	{	3512	{
2673	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3513	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2674	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3514	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2675	}	3515	}
…		…
2708	loop_done = EVBREAK_CANCEL;	3548	loop_done = EVBREAK_CANCEL;
2709		3549
2710	#if EV_FEATURE_API	3550	#if EV_FEATURE_API
2711	--loop_depth;	3551	--loop_depth;
2712	#endif	3552	#endif
		3553
		3554	return activecnt;
2713	}	3555	}
2714		3556
2715	void	3557	void
2716	ev_break (EV_P_ int how)	3558	ev_break (EV_P_ int how) EV_THROW
2717	{	3559	{
2718	loop_done = how;	3560	loop_done = how;
2719	}	3561	}
2720		3562
2721	void	3563	void
2722	ev_ref (EV_P)	3564	ev_ref (EV_P) EV_THROW
2723	{	3565	{
2724	++activecnt;	3566	++activecnt;
2725	}	3567	}
2726		3568
2727	void	3569	void
2728	ev_unref (EV_P)	3570	ev_unref (EV_P) EV_THROW
2729	{	3571	{
2730	--activecnt;	3572	--activecnt;
2731	}	3573	}
2732		3574
2733	void	3575	void
2734	ev_now_update (EV_P)	3576	ev_now_update (EV_P) EV_THROW
2735	{	3577	{
2736	time_update (EV_A_ 1e100);	3578	time_update (EV_A_ 1e100);
2737	}	3579	}
2738		3580
2739	void	3581	void
2740	ev_suspend (EV_P)	3582	ev_suspend (EV_P) EV_THROW
2741	{	3583	{
2742	ev_now_update (EV_A);	3584	ev_now_update (EV_A);
2743	}	3585	}
2744		3586
2745	void	3587	void
2746	ev_resume (EV_P)	3588	ev_resume (EV_P) EV_THROW
2747	{	3589	{
2748	ev_tstamp mn_prev = mn_now;	3590	ev_tstamp mn_prev = mn_now;
2749		3591
2750	ev_now_update (EV_A);	3592	ev_now_update (EV_A);
2751	timers_reschedule (EV_A_ mn_now - mn_prev);	3593	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
2790	w->pending = 0;	3632	w->pending = 0;
2791	}	3633	}
2792	}	3634	}
2793		3635
2794	int	3636	int
2795	ev_clear_pending (EV_P_ void *w)	3637	ev_clear_pending (EV_P_ void *w) EV_THROW
2796	{	3638	{
2797	W w_ = (W)w;	3639	W w_ = (W)w;
2798	int pending = w_->pending;	3640	int pending = w_->pending;
2799		3641
2800	if (expect_true (pending))	3642	if (expect_true (pending))
…		…
2833	}	3675	}
2834		3676
2835	/*****************************************************************************/	3677	/*****************************************************************************/
2836		3678
2837	void noinline	3679	void noinline
2838	ev_io_start (EV_P_ ev_io *w)	3680	ev_io_start (EV_P_ ev_io *w) EV_THROW
2839	{	3681	{
2840	int fd = w->fd;	3682	int fd = w->fd;
2841		3683
2842	if (expect_false (ev_is_active (w)))	3684	if (expect_false (ev_is_active (w)))
2843	return;	3685	return;
…		…
2849		3691
2850	ev_start (EV_A_ (W)w, 1);	3692	ev_start (EV_A_ (W)w, 1);
2851	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3693	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2852	wlist_add (&anfds[fd].head, (WL)w);	3694	wlist_add (&anfds[fd].head, (WL)w);
2853		3695
		3696	/* common bug, apparently */
		3697	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3698
2854	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3699	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2855	w->events &= ~EV__IOFDSET;	3700	w->events &= ~EV__IOFDSET;
2856		3701
2857	EV_FREQUENT_CHECK;	3702	EV_FREQUENT_CHECK;
2858	}	3703	}
2859		3704
2860	void noinline	3705	void noinline
2861	ev_io_stop (EV_P_ ev_io *w)	3706	ev_io_stop (EV_P_ ev_io *w) EV_THROW
2862	{	3707	{
2863	clear_pending (EV_A_ (W)w);	3708	clear_pending (EV_A_ (W)w);
2864	if (expect_false (!ev_is_active (w)))	3709	if (expect_false (!ev_is_active (w)))
2865	return;	3710	return;
2866		3711
…		…
2875		3720
2876	EV_FREQUENT_CHECK;	3721	EV_FREQUENT_CHECK;
2877	}	3722	}
2878		3723
2879	void noinline	3724	void noinline
2880	ev_timer_start (EV_P_ ev_timer *w)	3725	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2881	{	3726	{
2882	if (expect_false (ev_is_active (w)))	3727	if (expect_false (ev_is_active (w)))
2883	return;	3728	return;
2884		3729
2885	ev_at (w) += mn_now;	3730	ev_at (w) += mn_now;
…		…
2899		3744
2900	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3745	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2901	}	3746	}
2902		3747
2903	void noinline	3748	void noinline
2904	ev_timer_stop (EV_P_ ev_timer *w)	3749	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2905	{	3750	{
2906	clear_pending (EV_A_ (W)w);	3751	clear_pending (EV_A_ (W)w);
2907	if (expect_false (!ev_is_active (w)))	3752	if (expect_false (!ev_is_active (w)))
2908	return;	3753	return;
2909		3754
…		…
2929		3774
2930	EV_FREQUENT_CHECK;	3775	EV_FREQUENT_CHECK;
2931	}	3776	}
2932		3777
2933	void noinline	3778	void noinline
2934	ev_timer_again (EV_P_ ev_timer *w)	3779	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2935	{	3780	{
2936	EV_FREQUENT_CHECK;	3781	EV_FREQUENT_CHECK;
		3782
		3783	clear_pending (EV_A_ (W)w);
2937		3784
2938	if (ev_is_active (w))	3785	if (ev_is_active (w))
2939	{	3786	{
2940	if (w->repeat)	3787	if (w->repeat)
2941	{	3788	{
…		…
2954		3801
2955	EV_FREQUENT_CHECK;	3802	EV_FREQUENT_CHECK;
2956	}	3803	}
2957		3804
2958	ev_tstamp	3805	ev_tstamp
2959	ev_timer_remaining (EV_P_ ev_timer *w)	3806	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2960	{	3807	{
2961	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3808	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2962	}	3809	}
2963		3810
2964	#if EV_PERIODIC_ENABLE	3811	#if EV_PERIODIC_ENABLE
2965	void noinline	3812	void noinline
2966	ev_periodic_start (EV_P_ ev_periodic *w)	3813	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2967	{	3814	{
2968	if (expect_false (ev_is_active (w)))	3815	if (expect_false (ev_is_active (w)))
2969	return;	3816	return;
2970		3817
2971	if (w->reschedule_cb)	3818	if (w->reschedule_cb)
…		…
2991		3838
2992	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3839	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2993	}	3840	}
2994		3841
2995	void noinline	3842	void noinline
2996	ev_periodic_stop (EV_P_ ev_periodic *w)	3843	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
2997	{	3844	{
2998	clear_pending (EV_A_ (W)w);	3845	clear_pending (EV_A_ (W)w);
2999	if (expect_false (!ev_is_active (w)))	3846	if (expect_false (!ev_is_active (w)))
3000	return;	3847	return;
3001		3848
…		…
3019		3866
3020	EV_FREQUENT_CHECK;	3867	EV_FREQUENT_CHECK;
3021	}	3868	}
3022		3869
3023	void noinline	3870	void noinline
3024	ev_periodic_again (EV_P_ ev_periodic *w)	3871	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3025	{	3872	{
3026	/* TODO: use adjustheap and recalculation */	3873	/* TODO: use adjustheap and recalculation */
3027	ev_periodic_stop (EV_A_ w);	3874	ev_periodic_stop (EV_A_ w);
3028	ev_periodic_start (EV_A_ w);	3875	ev_periodic_start (EV_A_ w);
3029	}	3876	}
…		…
3034	#endif	3881	#endif
3035		3882
3036	#if EV_SIGNAL_ENABLE	3883	#if EV_SIGNAL_ENABLE
3037		3884
3038	void noinline	3885	void noinline
3039	ev_signal_start (EV_P_ ev_signal *w)	3886	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3040	{	3887	{
3041	if (expect_false (ev_is_active (w)))	3888	if (expect_false (ev_is_active (w)))
3042	return;	3889	return;
3043		3890
3044	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3891	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3046	#if EV_MULTIPLICITY	3893	#if EV_MULTIPLICITY
3047	assert (("libev: a signal must not be attached to two different loops",	3894	assert (("libev: a signal must not be attached to two different loops",
3048	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3895	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3049		3896
3050	signals [w->signum - 1].loop = EV_A;	3897	signals [w->signum - 1].loop = EV_A;
		3898	ECB_MEMORY_FENCE_RELEASE;
3051	#endif	3899	#endif
3052		3900
3053	EV_FREQUENT_CHECK;	3901	EV_FREQUENT_CHECK;
3054		3902
3055	#if EV_USE_SIGNALFD	3903	#if EV_USE_SIGNALFD
…		…
3115		3963
3116	EV_FREQUENT_CHECK;	3964	EV_FREQUENT_CHECK;
3117	}	3965	}
3118		3966
3119	void noinline	3967	void noinline
3120	ev_signal_stop (EV_P_ ev_signal *w)	3968	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3121	{	3969	{
3122	clear_pending (EV_A_ (W)w);	3970	clear_pending (EV_A_ (W)w);
3123	if (expect_false (!ev_is_active (w)))	3971	if (expect_false (!ev_is_active (w)))
3124	return;	3972	return;
3125		3973
…		…
3156	#endif	4004	#endif
3157		4005
3158	#if EV_CHILD_ENABLE	4006	#if EV_CHILD_ENABLE
3159		4007
3160	void	4008	void
3161	ev_child_start (EV_P_ ev_child *w)	4009	ev_child_start (EV_P_ ev_child *w) EV_THROW
3162	{	4010	{
3163	#if EV_MULTIPLICITY	4011	#if EV_MULTIPLICITY
3164	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4012	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3165	#endif	4013	#endif
3166	if (expect_false (ev_is_active (w)))	4014	if (expect_false (ev_is_active (w)))
…		…
3173		4021
3174	EV_FREQUENT_CHECK;	4022	EV_FREQUENT_CHECK;
3175	}	4023	}
3176		4024
3177	void	4025	void
3178	ev_child_stop (EV_P_ ev_child *w)	4026	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3179	{	4027	{
3180	clear_pending (EV_A_ (W)w);	4028	clear_pending (EV_A_ (W)w);
3181	if (expect_false (!ev_is_active (w)))	4029	if (expect_false (!ev_is_active (w)))
3182	return;	4030	return;
3183		4031
…		…
3210	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4058	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3211		4059
3212	static void noinline	4060	static void noinline
3213	infy_add (EV_P_ ev_stat *w)	4061	infy_add (EV_P_ ev_stat *w)
3214	{	4062	{
3215	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);	4063	w->wd = inotify_add_watch (fs_fd, w->path,
		4064	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		4065	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		4066	| IN_DONT_FOLLOW | IN_MASK_ADD);
3216		4067
3217	if (w->wd >= 0)	4068	if (w->wd >= 0)
3218	{	4069	{
3219	struct statfs sfs;	4070	struct statfs sfs;
3220		4071
…		…
3224		4075
3225	if (!fs_2625)	4076	if (!fs_2625)
3226	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4077	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3227	else if (!statfs (w->path, &sfs)	4078	else if (!statfs (w->path, &sfs)
3228	&& (sfs.f_type == 0x1373 /* devfs */	4079	&& (sfs.f_type == 0x1373 /* devfs */
		4080	|| sfs.f_type == 0x4006 /* fat */
		4081	|| sfs.f_type == 0x4d44 /* msdos */
3229	|| sfs.f_type == 0xEF53 /* ext2/3 */	4082	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4083	|| sfs.f_type == 0x72b6 /* jffs2 */
		4084	|| sfs.f_type == 0x858458f6 /* ramfs */
		4085	|| sfs.f_type == 0x5346544e /* ntfs */
3230	|| sfs.f_type == 0x3153464a /* jfs */	4086	|| sfs.f_type == 0x3153464a /* jfs */
		4087	|| sfs.f_type == 0x9123683e /* btrfs */
3231	|| sfs.f_type == 0x52654973 /* reiser3 */	4088	|| sfs.f_type == 0x52654973 /* reiser3 */
3232	|| sfs.f_type == 0x01021994 /* tempfs */	4089	|| sfs.f_type == 0x01021994 /* tmpfs */
3233	|| sfs.f_type == 0x58465342 /* xfs */))	4090	|| sfs.f_type == 0x58465342 /* xfs */))
3234	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4091	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3235	else	4092	else
3236	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4093	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3237	}	4094	}
…		…
3350	}	4207	}
3351		4208
3352	inline_size int	4209	inline_size int
3353	infy_newfd (void)	4210	infy_newfd (void)
3354	{	4211	{
3355	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4212	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3356	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4213	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3357	if (fd >= 0)	4214	if (fd >= 0)
3358	return fd;	4215	return fd;
3359	#endif	4216	#endif
3360	return inotify_init ();	4217	return inotify_init ();
…		…
3435	#else	4292	#else
3436	# define EV_LSTAT(p,b) lstat (p, b)	4293	# define EV_LSTAT(p,b) lstat (p, b)
3437	#endif	4294	#endif
3438		4295
3439	void	4296	void
3440	ev_stat_stat (EV_P_ ev_stat *w)	4297	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3441	{	4298	{
3442	if (lstat (w->path, &w->attr) < 0)	4299	if (lstat (w->path, &w->attr) < 0)
3443	w->attr.st_nlink = 0;	4300	w->attr.st_nlink = 0;
3444	else if (!w->attr.st_nlink)	4301	else if (!w->attr.st_nlink)
3445	w->attr.st_nlink = 1;	4302	w->attr.st_nlink = 1;
…		…
3484	ev_feed_event (EV_A_ w, EV_STAT);	4341	ev_feed_event (EV_A_ w, EV_STAT);
3485	}	4342	}
3486	}	4343	}
3487		4344
3488	void	4345	void
3489	ev_stat_start (EV_P_ ev_stat *w)	4346	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3490	{	4347	{
3491	if (expect_false (ev_is_active (w)))	4348	if (expect_false (ev_is_active (w)))
3492	return;	4349	return;
3493		4350
3494	ev_stat_stat (EV_A_ w);	4351	ev_stat_stat (EV_A_ w);
…		…
3515		4372
3516	EV_FREQUENT_CHECK;	4373	EV_FREQUENT_CHECK;
3517	}	4374	}
3518		4375
3519	void	4376	void
3520	ev_stat_stop (EV_P_ ev_stat *w)	4377	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3521	{	4378	{
3522	clear_pending (EV_A_ (W)w);	4379	clear_pending (EV_A_ (W)w);
3523	if (expect_false (!ev_is_active (w)))	4380	if (expect_false (!ev_is_active (w)))
3524	return;	4381	return;
3525		4382
…		…
3541	}	4398	}
3542	#endif	4399	#endif
3543		4400
3544	#if EV_IDLE_ENABLE	4401	#if EV_IDLE_ENABLE
3545	void	4402	void
3546	ev_idle_start (EV_P_ ev_idle *w)	4403	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3547	{	4404	{
3548	if (expect_false (ev_is_active (w)))	4405	if (expect_false (ev_is_active (w)))
3549	return;	4406	return;
3550		4407
3551	pri_adjust (EV_A_ (W)w);	4408	pri_adjust (EV_A_ (W)w);
…		…
3564		4421
3565	EV_FREQUENT_CHECK;	4422	EV_FREQUENT_CHECK;
3566	}	4423	}
3567		4424
3568	void	4425	void
3569	ev_idle_stop (EV_P_ ev_idle *w)	4426	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3570	{	4427	{
3571	clear_pending (EV_A_ (W)w);	4428	clear_pending (EV_A_ (W)w);
3572	if (expect_false (!ev_is_active (w)))	4429	if (expect_false (!ev_is_active (w)))
3573	return;	4430	return;
3574		4431
…		…
3588	}	4445	}
3589	#endif	4446	#endif
3590		4447
3591	#if EV_PREPARE_ENABLE	4448	#if EV_PREPARE_ENABLE
3592	void	4449	void
3593	ev_prepare_start (EV_P_ ev_prepare *w)	4450	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3594	{	4451	{
3595	if (expect_false (ev_is_active (w)))	4452	if (expect_false (ev_is_active (w)))
3596	return;	4453	return;
3597		4454
3598	EV_FREQUENT_CHECK;	4455	EV_FREQUENT_CHECK;
…		…
3603		4460
3604	EV_FREQUENT_CHECK;	4461	EV_FREQUENT_CHECK;
3605	}	4462	}
3606		4463
3607	void	4464	void
3608	ev_prepare_stop (EV_P_ ev_prepare *w)	4465	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3609	{	4466	{
3610	clear_pending (EV_A_ (W)w);	4467	clear_pending (EV_A_ (W)w);
3611	if (expect_false (!ev_is_active (w)))	4468	if (expect_false (!ev_is_active (w)))
3612	return;	4469	return;
3613		4470
…		…
3626	}	4483	}
3627	#endif	4484	#endif
3628		4485
3629	#if EV_CHECK_ENABLE	4486	#if EV_CHECK_ENABLE
3630	void	4487	void
3631	ev_check_start (EV_P_ ev_check *w)	4488	ev_check_start (EV_P_ ev_check *w) EV_THROW
3632	{	4489	{
3633	if (expect_false (ev_is_active (w)))	4490	if (expect_false (ev_is_active (w)))
3634	return;	4491	return;
3635		4492
3636	EV_FREQUENT_CHECK;	4493	EV_FREQUENT_CHECK;
…		…
3641		4498
3642	EV_FREQUENT_CHECK;	4499	EV_FREQUENT_CHECK;
3643	}	4500	}
3644		4501
3645	void	4502	void
3646	ev_check_stop (EV_P_ ev_check *w)	4503	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3647	{	4504	{
3648	clear_pending (EV_A_ (W)w);	4505	clear_pending (EV_A_ (W)w);
3649	if (expect_false (!ev_is_active (w)))	4506	if (expect_false (!ev_is_active (w)))
3650	return;	4507	return;
3651		4508
…		…
3664	}	4521	}
3665	#endif	4522	#endif
3666		4523
3667	#if EV_EMBED_ENABLE	4524	#if EV_EMBED_ENABLE
3668	void noinline	4525	void noinline
3669	ev_embed_sweep (EV_P_ ev_embed *w)	4526	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3670	{	4527	{
3671	ev_run (w->other, EVRUN_NOWAIT);	4528	ev_run (w->other, EVRUN_NOWAIT);
3672	}	4529	}
3673		4530
3674	static void	4531	static void
…		…
3722	ev_idle_stop (EV_A_ idle);	4579	ev_idle_stop (EV_A_ idle);
3723	}	4580	}
3724	#endif	4581	#endif
3725		4582
3726	void	4583	void
3727	ev_embed_start (EV_P_ ev_embed *w)	4584	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3728	{	4585	{
3729	if (expect_false (ev_is_active (w)))	4586	if (expect_false (ev_is_active (w)))
3730	return;	4587	return;
3731		4588
3732	{	4589	{
…		…
3753		4610
3754	EV_FREQUENT_CHECK;	4611	EV_FREQUENT_CHECK;
3755	}	4612	}
3756		4613
3757	void	4614	void
3758	ev_embed_stop (EV_P_ ev_embed *w)	4615	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3759	{	4616	{
3760	clear_pending (EV_A_ (W)w);	4617	clear_pending (EV_A_ (W)w);
3761	if (expect_false (!ev_is_active (w)))	4618	if (expect_false (!ev_is_active (w)))
3762	return;	4619	return;
3763		4620
…		…
3773	}	4630	}
3774	#endif	4631	#endif
3775		4632
3776	#if EV_FORK_ENABLE	4633	#if EV_FORK_ENABLE
3777	void	4634	void
3778	ev_fork_start (EV_P_ ev_fork *w)	4635	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3779	{	4636	{
3780	if (expect_false (ev_is_active (w)))	4637	if (expect_false (ev_is_active (w)))
3781	return;	4638	return;
3782		4639
3783	EV_FREQUENT_CHECK;	4640	EV_FREQUENT_CHECK;
…		…
3788		4645
3789	EV_FREQUENT_CHECK;	4646	EV_FREQUENT_CHECK;
3790	}	4647	}
3791		4648
3792	void	4649	void
3793	ev_fork_stop (EV_P_ ev_fork *w)	4650	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3794	{	4651	{
3795	clear_pending (EV_A_ (W)w);	4652	clear_pending (EV_A_ (W)w);
3796	if (expect_false (!ev_is_active (w)))	4653	if (expect_false (!ev_is_active (w)))
3797	return;	4654	return;
3798		4655
…		…
3811	}	4668	}
3812	#endif	4669	#endif
3813		4670
3814	#if EV_CLEANUP_ENABLE	4671	#if EV_CLEANUP_ENABLE
3815	void	4672	void
3816	ev_cleanup_start (EV_P_ ev_cleanup *w)	4673	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3817	{	4674	{
3818	if (expect_false (ev_is_active (w)))	4675	if (expect_false (ev_is_active (w)))
3819	return;	4676	return;
3820		4677
3821	EV_FREQUENT_CHECK;	4678	EV_FREQUENT_CHECK;
…		…
3828	ev_unref (EV_A);	4685	ev_unref (EV_A);
3829	EV_FREQUENT_CHECK;	4686	EV_FREQUENT_CHECK;
3830	}	4687	}
3831		4688
3832	void	4689	void
3833	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4690	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3834	{	4691	{
3835	clear_pending (EV_A_ (W)w);	4692	clear_pending (EV_A_ (W)w);
3836	if (expect_false (!ev_is_active (w)))	4693	if (expect_false (!ev_is_active (w)))
3837	return;	4694	return;
3838		4695
…		…
3852	}	4709	}
3853	#endif	4710	#endif
3854		4711
3855	#if EV_ASYNC_ENABLE	4712	#if EV_ASYNC_ENABLE
3856	void	4713	void
3857	ev_async_start (EV_P_ ev_async *w)	4714	ev_async_start (EV_P_ ev_async *w) EV_THROW
3858	{	4715	{
3859	if (expect_false (ev_is_active (w)))	4716	if (expect_false (ev_is_active (w)))
3860	return;	4717	return;
3861		4718
3862	w->sent = 0;	4719	w->sent = 0;
…		…
3871		4728
3872	EV_FREQUENT_CHECK;	4729	EV_FREQUENT_CHECK;
3873	}	4730	}
3874		4731
3875	void	4732	void
3876	ev_async_stop (EV_P_ ev_async *w)	4733	ev_async_stop (EV_P_ ev_async *w) EV_THROW
3877	{	4734	{
3878	clear_pending (EV_A_ (W)w);	4735	clear_pending (EV_A_ (W)w);
3879	if (expect_false (!ev_is_active (w)))	4736	if (expect_false (!ev_is_active (w)))
3880	return;	4737	return;
3881		4738
…		…
3892		4749
3893	EV_FREQUENT_CHECK;	4750	EV_FREQUENT_CHECK;
3894	}	4751	}
3895		4752
3896	void	4753	void
3897	ev_async_send (EV_P_ ev_async *w)	4754	ev_async_send (EV_P_ ev_async *w) EV_THROW
3898	{	4755	{
3899	w->sent = 1;	4756	w->sent = 1;
3900	evpipe_write (EV_A_ &async_pending);	4757	evpipe_write (EV_A_ &async_pending);
3901	}	4758	}
3902	#endif	4759	#endif
…		…
3939		4796
3940	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4797	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3941	}	4798	}
3942		4799
3943	void	4800	void
3944	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4801	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3945	{	4802	{
3946	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4803	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3947		4804
3948	if (expect_false (!once))	4805	if (expect_false (!once))
3949	{	4806	{
…		…
3971		4828
3972	/*****************************************************************************/	4829	/*****************************************************************************/
3973		4830
3974	#if EV_WALK_ENABLE	4831	#if EV_WALK_ENABLE
3975	void ecb_cold	4832	void ecb_cold
3976	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4833	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3977	{	4834	{
3978	int i, j;	4835	int i, j;
3979	ev_watcher_list *wl, *wn;	4836	ev_watcher_list *wl, *wn;
3980		4837
3981	if (types & (EV_IO | EV_EMBED))	4838	if (types & (EV_IO | EV_EMBED))
…		…
4024	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));	4881	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
4025	#endif	4882	#endif
4026		4883
4027	#if EV_IDLE_ENABLE	4884	#if EV_IDLE_ENABLE
4028	if (types & EV_IDLE)	4885	if (types & EV_IDLE)
4029	for (j = NUMPRI; i--; )	4886	for (j = NUMPRI; j--; )
4030	for (i = idlecnt [j]; i--; )	4887	for (i = idlecnt [j]; i--; )
4031	cb (EV_A_ EV_IDLE, idles [j][i]);	4888	cb (EV_A_ EV_IDLE, idles [j][i]);
4032	#endif	4889	#endif
4033		4890
4034	#if EV_FORK_ENABLE	4891	#if EV_FORK_ENABLE
…		…
4087		4944
4088	#if EV_MULTIPLICITY	4945	#if EV_MULTIPLICITY
4089	#include "ev_wrap.h"	4946	#include "ev_wrap.h"
4090	#endif	4947	#endif
4091		4948
4092	EV_CPP(})
4093

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