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Comparing libev/ev.c (file contents):
Revision 1.384 by root, Wed Jul 20 00:58:45 2011 UTC vs.
Revision 1.478 by root, Sun Oct 11 13:38:44 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	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		648	#if __xlC__ && ECB_CPP
		649	#include <builtins.h>
		650	#endif
		651
		652	#ifndef ECB_MEMORY_FENCE
		653	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		654	#if __i386 || __i386__
		655	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		656	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		657	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		658	#elif ECB_GCC_AMD64
		659	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		660	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		661	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		662	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		663	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		664	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		665	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		666	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		667	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		668	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		669	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		670	#elif __aarch64__
		671	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		672	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
		673	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		674	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		675	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		676	#elif defined __s390__ || defined __s390x__
		677	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		678	#elif defined __mips__
		679	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		680	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		681	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		682	#elif defined __alpha__
		683	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		684	#elif defined __hppa__
		685	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		686	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		687	#elif defined __ia64__
		688	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		689	#elif defined __m68k__
		690	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		691	#elif defined __m88k__
		692	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		693	#elif defined __sh__
		694	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		695	#endif
484	#endif	696	#endif
485	#endif	697	#endif
486		698
487	#if __cplusplus	699	#ifndef ECB_MEMORY_FENCE
		700	#if ECB_GCC_VERSION(4,7)
		701	/* see comment below (stdatomic.h) about the C11 memory model. */
		702	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		703	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		704	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		705
		706	#elif ECB_CLANG_EXTENSION(c_atomic)
		707	/* see comment below (stdatomic.h) about the C11 memory model. */
		708	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		709	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		710	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		711
		712	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
		713	#define ECB_MEMORY_FENCE __sync_synchronize ()
		714	#elif _MSC_VER >= 1500 /* VC++ 2008 */
		715	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		716	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		717	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		718	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		719	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
		720	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		721	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		722	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		723	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		724	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		725	#elif defined _WIN32
		726	#include <WinNT.h>
		727	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		728	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		729	#include <mbarrier.h>
		730	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		731	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		732	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		733	#elif __xlC__
		734	#define ECB_MEMORY_FENCE __sync ()
		735	#endif
		736	#endif
		737
		738	#ifndef ECB_MEMORY_FENCE
		739	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		740	/* we assume that these memory fences work on all variables/all memory accesses, */
		741	/* not just C11 atomics and atomic accesses */
		742	#include <stdatomic.h>
		743	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		744	/* any fence other than seq_cst, which isn't very efficient for us. */
		745	/* Why that is, we don't know - either the C11 memory model is quite useless */
		746	/* for most usages, or gcc and clang have a bug */
		747	/* I *currently* lean towards the latter, and inefficiently implement */
		748	/* all three of ecb's fences as a seq_cst fence */
		749	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		750	/* for all __atomic_thread_fence's except seq_cst */
		751	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		752	#endif
		753	#endif
		754
		755	#ifndef ECB_MEMORY_FENCE
		756	#if !ECB_AVOID_PTHREADS
		757	/*
		758	* if you get undefined symbol references to pthread_mutex_lock,
		759	* or failure to find pthread.h, then you should implement
		760	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		761	* OR provide pthread.h and link against the posix thread library
		762	* of your system.
		763	*/
		764	#include <pthread.h>
		765	#define ECB_NEEDS_PTHREADS 1
		766	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
		767
		768	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		769	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		770	#endif
		771	#endif
		772
		773	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
		774	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		775	#endif
		776
		777	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
		778	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		779	#endif
		780
		781	/*****************************************************************************/
		782
		783	#if ECB_CPP
488	#define ecb_inline static inline	784	#define ecb_inline static inline
489	#elif ECB_GCC_VERSION(2,5)	785	#elif ECB_GCC_VERSION(2,5)
490	#define ecb_inline static __inline__	786	#define ecb_inline static __inline__
491	#elif ECB_C99	787	#elif ECB_C99
492	#define ecb_inline static inline	788	#define ecb_inline static inline
493	#else	789	#else
494	#define ecb_inline static	790	#define ecb_inline static
495	#endif	791	#endif
496		792
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 _MSC_VER >= 1400
517	#define ECB_MEMORY_FENCE do { } while (0)
518	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
519	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
520	#elif defined(_WIN32) && defined(MemoryBarrier)
521	#define ECB_MEMORY_FENCE MemoryBarrier ()
522	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
523	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
524	#endif
525	#endif
526
527	#ifndef ECB_MEMORY_FENCE
528	#include <pthread.h>
529
530	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
531	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
532	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
533	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
534	#endif
535
536	#if ECB_GCC_VERSION(3,1)	793	#if ECB_GCC_VERSION(3,3)
		794	#define ecb_restrict __restrict__
		795	#elif ECB_C99
		796	#define ecb_restrict restrict
		797	#else
		798	#define ecb_restrict
		799	#endif
		800
		801	typedef int ecb_bool;
		802
		803	#define ECB_CONCAT_(a, b) a ## b
		804	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
		805	#define ECB_STRINGIFY_(a) # a
		806	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		807	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
		808
		809	#define ecb_function_ ecb_inline
		810
		811	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
537	#define ecb_attribute(attrlist) __attribute__(attrlist)	812	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		813	#else
		814	#define ecb_attribute(attrlist)
		815	#endif
		816
		817	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
538	#define ecb_is_constant(expr) __builtin_constant_p (expr)	818	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		819	#else
		820	/* possible C11 impl for integral types
		821	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		822	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		823
		824	#define ecb_is_constant(expr) 0
		825	#endif
		826
		827	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
539	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	828	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		829	#else
		830	#define ecb_expect(expr,value) (expr)
		831	#endif
		832
		833	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
540	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	834	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
541	#else	835	#else
542	#define ecb_attribute(attrlist)
543	#define ecb_is_constant(expr) 0
544	#define ecb_expect(expr,value) (expr)
545	#define ecb_prefetch(addr,rw,locality)	836	#define ecb_prefetch(addr,rw,locality)
546	#endif	837	#endif
547		838
		839	/* no emulation for ecb_decltype */
		840	#if ECB_CPP11
		841	// older implementations might have problems with decltype(x)::type, work around it
		842	template<class T> struct ecb_decltype_t { typedef T type; };
		843	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
		844	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
		845	#define ecb_decltype(x) __typeof__ (x)
		846	#endif
		847
		848	#if _MSC_VER >= 1300
		849	#define ecb_deprecated __declspec (deprecated)
		850	#else
		851	#define ecb_deprecated ecb_attribute ((__deprecated__))
		852	#endif
		853
		854	#if _MSC_VER >= 1500
		855	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		856	#elif ECB_GCC_VERSION(4,5)
		857	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		858	#else
		859	#define ecb_deprecated_message(msg) ecb_deprecated
		860	#endif
		861
		862	#if _MSC_VER >= 1400
		863	#define ecb_noinline __declspec (noinline)
		864	#else
548	#define ecb_noinline ecb_attribute ((__noinline__))	865	#define ecb_noinline ecb_attribute ((__noinline__))
549	#define ecb_noreturn ecb_attribute ((__noreturn__))	866	#endif
		867
550	#define ecb_unused ecb_attribute ((__unused__))	868	#define ecb_unused ecb_attribute ((__unused__))
551	#define ecb_const ecb_attribute ((__const__))	869	#define ecb_const ecb_attribute ((__const__))
552	#define ecb_pure ecb_attribute ((__pure__))	870	#define ecb_pure ecb_attribute ((__pure__))
		871
		872	#if ECB_C11 || __IBMC_NORETURN
		873	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
		874	#define ecb_noreturn _Noreturn
		875	#elif ECB_CPP11
		876	#define ecb_noreturn [[noreturn]]
		877	#elif _MSC_VER >= 1200
		878	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		879	#define ecb_noreturn __declspec (noreturn)
		880	#else
		881	#define ecb_noreturn ecb_attribute ((__noreturn__))
		882	#endif
553		883
554	#if ECB_GCC_VERSION(4,3)	884	#if ECB_GCC_VERSION(4,3)
555	#define ecb_artificial ecb_attribute ((__artificial__))	885	#define ecb_artificial ecb_attribute ((__artificial__))
556	#define ecb_hot ecb_attribute ((__hot__))	886	#define ecb_hot ecb_attribute ((__hot__))
557	#define ecb_cold ecb_attribute ((__cold__))	887	#define ecb_cold ecb_attribute ((__cold__))
…		…
564	/* put around conditional expressions if you are very sure that the */	894	/* put around conditional expressions if you are very sure that the */
565	/* expression is mostly true or mostly false. note that these return */	895	/* expression is mostly true or mostly false. note that these return */
566	/* booleans, not the expression. */	896	/* booleans, not the expression. */
567	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)	897	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
568	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)	898	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
569	/* ecb.h end */	899	/* for compatibility to the rest of the world */
		900	#define ecb_likely(expr) ecb_expect_true (expr)
		901	#define ecb_unlikely(expr) ecb_expect_false (expr)
		902
		903	/* count trailing zero bits and count # of one bits */
		904	#if ECB_GCC_VERSION(3,4) \
		905	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		906	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		907	&& ECB_CLANG_BUILTIN(__builtin_popcount))
		908	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
		909	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
		910	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
		911	#define ecb_ctz32(x) __builtin_ctz (x)
		912	#define ecb_ctz64(x) __builtin_ctzll (x)
		913	#define ecb_popcount32(x) __builtin_popcount (x)
		914	/* no popcountll */
		915	#else
		916	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
		917	ecb_function_ ecb_const int
		918	ecb_ctz32 (uint32_t x)
		919	{
		920	int r = 0;
		921
		922	x &= ~x + 1; /* this isolates the lowest bit */
		923
		924	#if ECB_branchless_on_i386
		925	r += !!(x & 0xaaaaaaaa) << 0;
		926	r += !!(x & 0xcccccccc) << 1;
		927	r += !!(x & 0xf0f0f0f0) << 2;
		928	r += !!(x & 0xff00ff00) << 3;
		929	r += !!(x & 0xffff0000) << 4;
		930	#else
		931	if (x & 0xaaaaaaaa) r += 1;
		932	if (x & 0xcccccccc) r += 2;
		933	if (x & 0xf0f0f0f0) r += 4;
		934	if (x & 0xff00ff00) r += 8;
		935	if (x & 0xffff0000) r += 16;
		936	#endif
		937
		938	return r;
		939	}
		940
		941	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
		942	ecb_function_ ecb_const int
		943	ecb_ctz64 (uint64_t x)
		944	{
		945	int shift = x & 0xffffffffU ? 0 : 32;
		946	return ecb_ctz32 (x >> shift) + shift;
		947	}
		948
		949	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
		950	ecb_function_ ecb_const int
		951	ecb_popcount32 (uint32_t x)
		952	{
		953	x -= (x >> 1) & 0x55555555;
		954	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
		955	x = ((x >> 4) + x) & 0x0f0f0f0f;
		956	x *= 0x01010101;
		957
		958	return x >> 24;
		959	}
		960
		961	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
		962	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
		963	{
		964	int r = 0;
		965
		966	if (x >> 16) { x >>= 16; r += 16; }
		967	if (x >> 8) { x >>= 8; r += 8; }
		968	if (x >> 4) { x >>= 4; r += 4; }
		969	if (x >> 2) { x >>= 2; r += 2; }
		970	if (x >> 1) { r += 1; }
		971
		972	return r;
		973	}
		974
		975	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
		976	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
		977	{
		978	int r = 0;
		979
		980	if (x >> 32) { x >>= 32; r += 32; }
		981
		982	return r + ecb_ld32 (x);
		983	}
		984	#endif
		985
		986	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
		987	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		988	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
		989	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		990
		991	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
		992	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
		993	{
		994	return ( (x * 0x0802U & 0x22110U)
		995	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		996	}
		997
		998	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
		999	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
		1000	{
		1001	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		1002	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		1003	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		1004	x = ( x >> 8 ) | ( x << 8);
		1005
		1006	return x;
		1007	}
		1008
		1009	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
		1010	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
		1011	{
		1012	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		1013	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		1014	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		1015	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		1016	x = ( x >> 16 ) | ( x << 16);
		1017
		1018	return x;
		1019	}
		1020
		1021	/* popcount64 is only available on 64 bit cpus as gcc builtin */
		1022	/* so for this version we are lazy */
		1023	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
		1024	ecb_function_ ecb_const int
		1025	ecb_popcount64 (uint64_t x)
		1026	{
		1027	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
		1028	}
		1029
		1030	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
		1031	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
		1032	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
		1033	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
		1034	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
		1035	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
		1036	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
		1037	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
		1038
		1039	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
		1040	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
		1041	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
		1042	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
		1043	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
		1044	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
		1045	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
		1046	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
		1047
		1048	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1049	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1050	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1051	#else
		1052	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1053	#endif
		1054	#define ecb_bswap32(x) __builtin_bswap32 (x)
		1055	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1056	#elif _MSC_VER
		1057	#include <stdlib.h>
		1058	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1059	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1060	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
		1061	#else
		1062	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
		1063	ecb_function_ ecb_const uint16_t
		1064	ecb_bswap16 (uint16_t x)
		1065	{
		1066	return ecb_rotl16 (x, 8);
		1067	}
		1068
		1069	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
		1070	ecb_function_ ecb_const uint32_t
		1071	ecb_bswap32 (uint32_t x)
		1072	{
		1073	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
		1074	}
		1075
		1076	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
		1077	ecb_function_ ecb_const uint64_t
		1078	ecb_bswap64 (uint64_t x)
		1079	{
		1080	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
		1081	}
		1082	#endif
		1083
		1084	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
		1085	#define ecb_unreachable() __builtin_unreachable ()
		1086	#else
		1087	/* this seems to work fine, but gcc always emits a warning for it :/ */
		1088	ecb_inline ecb_noreturn void ecb_unreachable (void);
		1089	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
		1090	#endif
		1091
		1092	/* try to tell the compiler that some condition is definitely true */
		1093	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
		1094
		1095	ecb_inline ecb_const unsigned char ecb_byteorder_helper (void);
		1096	ecb_inline ecb_const unsigned char
		1097	ecb_byteorder_helper (void)
		1098	{
		1099	/* the union code still generates code under pressure in gcc, */
		1100	/* but less than using pointers, and always seems to */
		1101	/* successfully return a constant. */
		1102	/* the reason why we have this horrible preprocessor mess */
		1103	/* is to avoid it in all cases, at least on common architectures */
		1104	/* or when using a recent enough gcc version (>= 4.6) */
		1105	#if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64
		1106	return 0x44;
		1107	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		1108	return 0x44;
		1109	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1110	return 0x11;
		1111	#else
		1112	union
		1113	{
		1114	uint32_t i;
		1115	uint8_t c;
		1116	} u = { 0x11223344 };
		1117	return u.c;
		1118	#endif
		1119	}
		1120
		1121	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
		1122	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
		1123	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
		1124	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
		1125
		1126	#if ECB_GCC_VERSION(3,0) || ECB_C99
		1127	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
		1128	#else
		1129	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1130	#endif
		1131
		1132	#if ECB_CPP
		1133	template<typename T>
		1134	static inline T ecb_div_rd (T val, T div)
		1135	{
		1136	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1137	}
		1138	template<typename T>
		1139	static inline T ecb_div_ru (T val, T div)
		1140	{
		1141	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1142	}
		1143	#else
		1144	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1145	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
		1146	#endif
		1147
		1148	#if ecb_cplusplus_does_not_suck
		1149	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
		1150	template<typename T, int N>
		1151	static inline int ecb_array_length (const T (&arr)[N])
		1152	{
		1153	return N;
		1154	}
		1155	#else
		1156	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
		1157	#endif
		1158
		1159	/*******************************************************************************/
		1160	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1161
		1162	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1163	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1164	#if 0 \
		1165	|| __i386 || __i386__ \
		1166	|| ECB_GCC_AMD64 \
		1167	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1168	|| defined __s390__ || defined __s390x__ \
		1169	|| defined __mips__ \
		1170	|| defined __alpha__ \
		1171	|| defined __hppa__ \
		1172	|| defined __ia64__ \
		1173	|| defined __m68k__ \
		1174	|| defined __m88k__ \
		1175	|| defined __sh__ \
		1176	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1177	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1178	|| defined __aarch64__
		1179	#define ECB_STDFP 1
		1180	#include <string.h> /* for memcpy */
		1181	#else
		1182	#define ECB_STDFP 0
		1183	#endif
		1184
		1185	#ifndef ECB_NO_LIBM
		1186
		1187	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1188
		1189	/* only the oldest of old doesn't have this one. solaris. */
		1190	#ifdef INFINITY
		1191	#define ECB_INFINITY INFINITY
		1192	#else
		1193	#define ECB_INFINITY HUGE_VAL
		1194	#endif
		1195
		1196	#ifdef NAN
		1197	#define ECB_NAN NAN
		1198	#else
		1199	#define ECB_NAN ECB_INFINITY
		1200	#endif
		1201
		1202	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1203	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1204	#define ecb_frexpf(x,e) frexpf ((x), (e))
		1205	#else
		1206	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
		1207	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
		1208	#endif
		1209
		1210	/* converts an ieee half/binary16 to a float */
		1211	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1212	ecb_function_ ecb_const float
		1213	ecb_binary16_to_float (uint16_t x)
		1214	{
		1215	int e = (x >> 10) & 0x1f;
		1216	int m = x & 0x3ff;
		1217	float r;
		1218
		1219	if (!e ) r = ecb_ldexpf (m , -24);
		1220	else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
		1221	else if (m ) r = ECB_NAN;
		1222	else r = ECB_INFINITY;
		1223
		1224	return x & 0x8000 ? -r : r;
		1225	}
		1226
		1227	/* convert a float to ieee single/binary32 */
		1228	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
		1229	ecb_function_ ecb_const uint32_t
		1230	ecb_float_to_binary32 (float x)
		1231	{
		1232	uint32_t r;
		1233
		1234	#if ECB_STDFP
		1235	memcpy (&r, &x, 4);
		1236	#else
		1237	/* slow emulation, works for anything but -0 */
		1238	uint32_t m;
		1239	int e;
		1240
		1241	if (x == 0e0f ) return 0x00000000U;
		1242	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1243	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1244	if (x != x ) return 0x7fbfffffU;
		1245
		1246	m = ecb_frexpf (x, &e) * 0x1000000U;
		1247
		1248	r = m & 0x80000000U;
		1249
		1250	if (r)
		1251	m = -m;
		1252
		1253	if (e <= -126)
		1254	{
		1255	m &= 0xffffffU;
		1256	m >>= (-125 - e);
		1257	e = -126;
		1258	}
		1259
		1260	r |= (e + 126) << 23;
		1261	r |= m & 0x7fffffU;
		1262	#endif
		1263
		1264	return r;
		1265	}
		1266
		1267	/* converts an ieee single/binary32 to a float */
		1268	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
		1269	ecb_function_ ecb_const float
		1270	ecb_binary32_to_float (uint32_t x)
		1271	{
		1272	float r;
		1273
		1274	#if ECB_STDFP
		1275	memcpy (&r, &x, 4);
		1276	#else
		1277	/* emulation, only works for normals and subnormals and +0 */
		1278	int neg = x >> 31;
		1279	int e = (x >> 23) & 0xffU;
		1280
		1281	x &= 0x7fffffU;
		1282
		1283	if (e)
		1284	x |= 0x800000U;
		1285	else
		1286	e = 1;
		1287
		1288	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1289	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
		1290
		1291	r = neg ? -r : r;
		1292	#endif
		1293
		1294	return r;
		1295	}
		1296
		1297	/* convert a double to ieee double/binary64 */
		1298	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
		1299	ecb_function_ ecb_const uint64_t
		1300	ecb_double_to_binary64 (double x)
		1301	{
		1302	uint64_t r;
		1303
		1304	#if ECB_STDFP
		1305	memcpy (&r, &x, 8);
		1306	#else
		1307	/* slow emulation, works for anything but -0 */
		1308	uint64_t m;
		1309	int e;
		1310
		1311	if (x == 0e0 ) return 0x0000000000000000U;
		1312	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1313	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1314	if (x != x ) return 0X7ff7ffffffffffffU;
		1315
		1316	m = frexp (x, &e) * 0x20000000000000U;
		1317
		1318	r = m & 0x8000000000000000;;
		1319
		1320	if (r)
		1321	m = -m;
		1322
		1323	if (e <= -1022)
		1324	{
		1325	m &= 0x1fffffffffffffU;
		1326	m >>= (-1021 - e);
		1327	e = -1022;
		1328	}
		1329
		1330	r |= ((uint64_t)(e + 1022)) << 52;
		1331	r |= m & 0xfffffffffffffU;
		1332	#endif
		1333
		1334	return r;
		1335	}
		1336
		1337	/* converts an ieee double/binary64 to a double */
		1338	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
		1339	ecb_function_ ecb_const double
		1340	ecb_binary64_to_double (uint64_t x)
		1341	{
		1342	double r;
		1343
		1344	#if ECB_STDFP
		1345	memcpy (&r, &x, 8);
		1346	#else
		1347	/* emulation, only works for normals and subnormals and +0 */
		1348	int neg = x >> 63;
		1349	int e = (x >> 52) & 0x7ffU;
		1350
		1351	x &= 0xfffffffffffffU;
		1352
		1353	if (e)
		1354	x |= 0x10000000000000U;
		1355	else
		1356	e = 1;
		1357
		1358	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1359	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1360
		1361	r = neg ? -r : r;
		1362	#endif
		1363
		1364	return r;
		1365	}
		1366
		1367	#endif
		1368
		1369	#endif
		1370
		1371	/* ECB.H END */
		1372
		1373	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1374	/* if your architecture doesn't need memory fences, e.g. because it is
		1375	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1376	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1377	* libev, in which cases the memory fences become nops.
		1378	* alternatively, you can remove this #error and link against libpthread,
		1379	* which will then provide the memory fences.
		1380	*/
		1381	# error "memory fences not defined for your architecture, please report"
		1382	#endif
		1383
		1384	#ifndef ECB_MEMORY_FENCE
		1385	# define ECB_MEMORY_FENCE do { } while (0)
		1386	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1387	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		1388	#endif
570		1389
571	#define expect_false(cond) ecb_expect_false (cond)	1390	#define expect_false(cond) ecb_expect_false (cond)
572	#define expect_true(cond) ecb_expect_true (cond)	1391	#define expect_true(cond) ecb_expect_true (cond)
573	#define noinline ecb_noinline	1392	#define noinline ecb_noinline
574		1393
…		…
720	{	1539	{
721	write (STDERR_FILENO, msg, strlen (msg));	1540	write (STDERR_FILENO, msg, strlen (msg));
722	}	1541	}
723	#endif	1542	#endif
724		1543
725	static void (*syserr_cb)(const char *msg);	1544	static void (*syserr_cb)(const char *msg) EV_THROW;
726		1545
727	void ecb_cold	1546	void ecb_cold
728	ev_set_syserr_cb (void (*cb)(const char *msg))	1547	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
729	{	1548	{
730	syserr_cb = cb;	1549	syserr_cb = cb;
731	}	1550	}
732		1551
733	static void noinline ecb_cold	1552	static void noinline ecb_cold
…		…
751	abort ();	1570	abort ();
752	}	1571	}
753	}	1572	}
754		1573
755	static void *	1574	static void *
756	ev_realloc_emul (void *ptr, long size)	1575	ev_realloc_emul (void *ptr, long size) EV_THROW
757	{	1576	{
758	#if __GLIBC__
759	return realloc (ptr, size);
760	#else
761	/* some systems, notably openbsd and darwin, fail to properly	1577	/* some systems, notably openbsd and darwin, fail to properly
762	* implement realloc (x, 0) (as required by both ansi c-89 and	1578	* implement realloc (x, 0) (as required by both ansi c-89 and
763	* the single unix specification, so work around them here.	1579	* the single unix specification, so work around them here.
		1580	* recently, also (at least) fedora and debian started breaking it,
		1581	* despite documenting it otherwise.
764	*/	1582	*/
765		1583
766	if (size)	1584	if (size)
767	return realloc (ptr, size);	1585	return realloc (ptr, size);
768		1586
769	free (ptr);	1587	free (ptr);
770	return 0;	1588	return 0;
771	#endif
772	}	1589	}
773		1590
774	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1591	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
775		1592
776	void ecb_cold	1593	void ecb_cold
777	ev_set_allocator (void *(*cb)(void *ptr, long size))	1594	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
778	{	1595	{
779	alloc = cb;	1596	alloc = cb;
780	}	1597	}
781		1598
782	inline_speed void *	1599	inline_speed void *
…		…
870	#undef VAR	1687	#undef VAR
871	};	1688	};
872	#include "ev_wrap.h"	1689	#include "ev_wrap.h"
873		1690
874	static struct ev_loop default_loop_struct;	1691	static struct ev_loop default_loop_struct;
875	struct ev_loop *ev_default_loop_ptr;	1692	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
876		1693
877	#else	1694	#else
878		1695
879	ev_tstamp ev_rt_now;	1696	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
880	#define VAR(name,decl) static decl;	1697	#define VAR(name,decl) static decl;
881	#include "ev_vars.h"	1698	#include "ev_vars.h"
882	#undef VAR	1699	#undef VAR
883		1700
884	static int ev_default_loop_ptr;	1701	static int ev_default_loop_ptr;
…		…
899		1716
900	/*****************************************************************************/	1717	/*****************************************************************************/
901		1718
902	#ifndef EV_HAVE_EV_TIME	1719	#ifndef EV_HAVE_EV_TIME
903	ev_tstamp	1720	ev_tstamp
904	ev_time (void)	1721	ev_time (void) EV_THROW
905	{	1722	{
906	#if EV_USE_REALTIME	1723	#if EV_USE_REALTIME
907	if (expect_true (have_realtime))	1724	if (expect_true (have_realtime))
908	{	1725	{
909	struct timespec ts;	1726	struct timespec ts;
…		…
933	return ev_time ();	1750	return ev_time ();
934	}	1751	}
935		1752
936	#if EV_MULTIPLICITY	1753	#if EV_MULTIPLICITY
937	ev_tstamp	1754	ev_tstamp
938	ev_now (EV_P)	1755	ev_now (EV_P) EV_THROW
939	{	1756	{
940	return ev_rt_now;	1757	return ev_rt_now;
941	}	1758	}
942	#endif	1759	#endif
943		1760
944	void	1761	void
945	ev_sleep (ev_tstamp delay)	1762	ev_sleep (ev_tstamp delay) EV_THROW
946	{	1763	{
947	if (delay > 0.)	1764	if (delay > 0.)
948	{	1765	{
949	#if EV_USE_NANOSLEEP	1766	#if EV_USE_NANOSLEEP
950	struct timespec ts;	1767	struct timespec ts;
951		1768
952	EV_TS_SET (ts, delay);	1769	EV_TS_SET (ts, delay);
953	nanosleep (&ts, 0);	1770	nanosleep (&ts, 0);
954	#elif defined(_WIN32)	1771	#elif defined _WIN32
955	Sleep ((unsigned long)(delay * 1e3));	1772	Sleep ((unsigned long)(delay * 1e3));
956	#else	1773	#else
957	struct timeval tv;	1774	struct timeval tv;
958		1775
959	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1776	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
978		1795
979	do	1796	do
980	ncur <<= 1;	1797	ncur <<= 1;
981	while (cnt > ncur);	1798	while (cnt > ncur);
982		1799
983	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1800	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
984	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1801	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
985	{	1802	{
986	ncur *= elem;	1803	ncur *= elem;
987	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1804	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
988	ncur = ncur - sizeof (void *) * 4;	1805	ncur = ncur - sizeof (void *) * 4;
…		…
1031	pendingcb (EV_P_ ev_prepare *w, int revents)	1848	pendingcb (EV_P_ ev_prepare *w, int revents)
1032	{	1849	{
1033	}	1850	}
1034		1851
1035	void noinline	1852	void noinline
1036	ev_feed_event (EV_P_ void *w, int revents)	1853	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1037	{	1854	{
1038	W w_ = (W)w;	1855	W w_ = (W)w;
1039	int pri = ABSPRI (w_);	1856	int pri = ABSPRI (w_);
1040		1857
1041	if (expect_false (w_->pending))	1858	if (expect_false (w_->pending))
…		…
1045	w_->pending = ++pendingcnt [pri];	1862	w_->pending = ++pendingcnt [pri];
1046	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1863	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1047	pendings [pri][w_->pending - 1].w = w_;	1864	pendings [pri][w_->pending - 1].w = w_;
1048	pendings [pri][w_->pending - 1].events = revents;	1865	pendings [pri][w_->pending - 1].events = revents;
1049	}	1866	}
		1867
		1868	pendingpri = NUMPRI - 1;
1050	}	1869	}
1051		1870
1052	inline_speed void	1871	inline_speed void
1053	feed_reverse (EV_P_ W w)	1872	feed_reverse (EV_P_ W w)
1054	{	1873	{
…		…
1100	if (expect_true (!anfd->reify))	1919	if (expect_true (!anfd->reify))
1101	fd_event_nocheck (EV_A_ fd, revents);	1920	fd_event_nocheck (EV_A_ fd, revents);
1102	}	1921	}
1103		1922
1104	void	1923	void
1105	ev_feed_fd_event (EV_P_ int fd, int revents)	1924	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1106	{	1925	{
1107	if (fd >= 0 && fd < anfdmax)	1926	if (fd >= 0 && fd < anfdmax)
1108	fd_event_nocheck (EV_A_ fd, revents);	1927	fd_event_nocheck (EV_A_ fd, revents);
1109	}	1928	}
1110		1929
…		…
1429	static void noinline ecb_cold	2248	static void noinline ecb_cold
1430	evpipe_init (EV_P)	2249	evpipe_init (EV_P)
1431	{	2250	{
1432	if (!ev_is_active (&pipe_w))	2251	if (!ev_is_active (&pipe_w))
1433	{	2252	{
		2253	int fds [2];
		2254
1434	# if EV_USE_EVENTFD	2255	# if EV_USE_EVENTFD
		2256	fds [0] = -1;
1435	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2257	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1436	if (evfd < 0 && errno == EINVAL)	2258	if (fds [1] < 0 && errno == EINVAL)
1437	evfd = eventfd (0, 0);	2259	fds [1] = eventfd (0, 0);
1438		2260
1439	if (evfd >= 0)	2261	if (fds [1] < 0)
		2262	# endif
1440	{	2263	{
		2264	while (pipe (fds))
		2265	ev_syserr ("(libev) error creating signal/async pipe");
		2266
		2267	fd_intern (fds [0]);
		2268	}
		2269
1441	evpipe [0] = -1;	2270	evpipe [0] = fds [0];
1442	fd_intern (evfd); /* doing it twice doesn't hurt */	2271
1443	ev_io_set (&pipe_w, evfd, EV_READ);	2272	if (evpipe [1] < 0)
		2273	evpipe [1] = fds [1]; /* first call, set write fd */
		2274	else
		2275	{
		2276	/* on subsequent calls, do not change evpipe [1] */
		2277	/* so that evpipe_write can always rely on its value. */
		2278	/* this branch does not do anything sensible on windows, */
		2279	/* so must not be executed on windows */
		2280
		2281	dup2 (fds [1], evpipe [1]);
		2282	close (fds [1]);
		2283	}
		2284
		2285	fd_intern (evpipe [1]);
		2286
		2287	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2288	ev_io_start (EV_A_ &pipe_w);
		2289	ev_unref (EV_A); /* watcher should not keep loop alive */
		2290	}
		2291	}
		2292
		2293	inline_speed void
		2294	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2295	{
		2296	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2297
		2298	if (expect_true (*flag))
		2299	return;
		2300
		2301	*flag = 1;
		2302	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2303
		2304	pipe_write_skipped = 1;
		2305
		2306	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2307
		2308	if (pipe_write_wanted)
		2309	{
		2310	int old_errno;
		2311
		2312	pipe_write_skipped = 0;
		2313	ECB_MEMORY_FENCE_RELEASE;
		2314
		2315	old_errno = errno; /* save errno because write will clobber it */
		2316
		2317	#if EV_USE_EVENTFD
		2318	if (evpipe [0] < 0)
		2319	{
		2320	uint64_t counter = 1;
		2321	write (evpipe [1], &counter, sizeof (uint64_t));
1444	}	2322	}
1445	else	2323	else
1446	# endif	2324	#endif
1447	{	2325	{
1448	while (pipe (evpipe))	2326	#ifdef _WIN32
1449	ev_syserr ("(libev) error creating signal/async pipe");	2327	WSABUF buf;
1450		2328	DWORD sent;
1451	fd_intern (evpipe [0]);	2329	buf.buf = &buf;
1452	fd_intern (evpipe [1]);	2330	buf.len = 1;
1453	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2331	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1454	}	2332	#else
1455
1456	ev_io_start (EV_A_ &pipe_w);
1457	ev_unref (EV_A); /* watcher should not keep loop alive */
1458	}
1459	}
1460
1461	inline_speed void
1462	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1463	{
1464	if (expect_true (*flag))
1465	return;
1466
1467	*flag = 1;
1468
1469	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1470
1471	pipe_write_skipped = 1;
1472
1473	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1474
1475	if (pipe_write_wanted)
1476	{
1477	int old_errno;
1478
1479	pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
1480
1481	old_errno = errno; /* save errno because write will clobber it */
1482
1483	#if EV_USE_EVENTFD
1484	if (evfd >= 0)
1485	{
1486	uint64_t counter = 1;
1487	write (evfd, &counter, sizeof (uint64_t));
1488	}
1489	else
1490	#endif
1491	{
1492	/* win32 people keep sending patches that change this write() to send() */
1493	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1494	/* so when you think this write should be a send instead, please find out */
1495	/* where your send() is from - it's definitely not the microsoft send, and */
1496	/* tell me. thank you. */
1497	write (evpipe [1], &(evpipe [1]), 1);	2333	write (evpipe [1], &(evpipe [1]), 1);
		2334	#endif
1498	}	2335	}
1499		2336
1500	errno = old_errno;	2337	errno = old_errno;
1501	}	2338	}
1502	}	2339	}
…		…
1509	int i;	2346	int i;
1510		2347
1511	if (revents & EV_READ)	2348	if (revents & EV_READ)
1512	{	2349	{
1513	#if EV_USE_EVENTFD	2350	#if EV_USE_EVENTFD
1514	if (evfd >= 0)	2351	if (evpipe [0] < 0)
1515	{	2352	{
1516	uint64_t counter;	2353	uint64_t counter;
1517	read (evfd, &counter, sizeof (uint64_t));	2354	read (evpipe [1], &counter, sizeof (uint64_t));
1518	}	2355	}
1519	else	2356	else
1520	#endif	2357	#endif
1521	{	2358	{
1522	char dummy;	2359	char dummy[4];
1523	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2360	#ifdef _WIN32
		2361	WSABUF buf;
		2362	DWORD recvd;
		2363	DWORD flags = 0;
		2364	buf.buf = dummy;
		2365	buf.len = sizeof (dummy);
		2366	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2367	#else
1524	read (evpipe [0], &dummy, 1);	2368	read (evpipe [0], &dummy, sizeof (dummy));
		2369	#endif
1525	}	2370	}
1526	}	2371	}
1527		2372
1528	pipe_write_skipped = 0;	2373	pipe_write_skipped = 0;
		2374
		2375	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1529		2376
1530	#if EV_SIGNAL_ENABLE	2377	#if EV_SIGNAL_ENABLE
1531	if (sig_pending)	2378	if (sig_pending)
1532	{	2379	{
1533	sig_pending = 0;	2380	sig_pending = 0;
		2381
		2382	ECB_MEMORY_FENCE;
1534		2383
1535	for (i = EV_NSIG - 1; i--; )	2384	for (i = EV_NSIG - 1; i--; )
1536	if (expect_false (signals [i].pending))	2385	if (expect_false (signals [i].pending))
1537	ev_feed_signal_event (EV_A_ i + 1);	2386	ev_feed_signal_event (EV_A_ i + 1);
1538	}	2387	}
…		…
1540		2389
1541	#if EV_ASYNC_ENABLE	2390	#if EV_ASYNC_ENABLE
1542	if (async_pending)	2391	if (async_pending)
1543	{	2392	{
1544	async_pending = 0;	2393	async_pending = 0;
		2394
		2395	ECB_MEMORY_FENCE;
1545		2396
1546	for (i = asynccnt; i--; )	2397	for (i = asynccnt; i--; )
1547	if (asyncs [i]->sent)	2398	if (asyncs [i]->sent)
1548	{	2399	{
1549	asyncs [i]->sent = 0;	2400	asyncs [i]->sent = 0;
		2401	ECB_MEMORY_FENCE_RELEASE;
1550	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2402	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1551	}	2403	}
1552	}	2404	}
1553	#endif	2405	#endif
1554	}	2406	}
1555		2407
1556	/*****************************************************************************/	2408	/*****************************************************************************/
1557		2409
1558	void	2410	void
1559	ev_feed_signal (int signum)	2411	ev_feed_signal (int signum) EV_THROW
1560	{	2412	{
1561	#if EV_MULTIPLICITY	2413	#if EV_MULTIPLICITY
		2414	EV_P;
		2415	ECB_MEMORY_FENCE_ACQUIRE;
1562	EV_P = signals [signum - 1].loop;	2416	EV_A = signals [signum - 1].loop;
1563		2417
1564	if (!EV_A)	2418	if (!EV_A)
1565	return;	2419	return;
1566	#endif	2420	#endif
1567		2421
1568	if (!ev_active (&pipe_w))
1569	return;
1570
1571	signals [signum - 1].pending = 1;	2422	signals [signum - 1].pending = 1;
1572	evpipe_write (EV_A_ &sig_pending);	2423	evpipe_write (EV_A_ &sig_pending);
1573	}	2424	}
1574		2425
1575	static void	2426	static void
…		…
1581		2432
1582	ev_feed_signal (signum);	2433	ev_feed_signal (signum);
1583	}	2434	}
1584		2435
1585	void noinline	2436	void noinline
1586	ev_feed_signal_event (EV_P_ int signum)	2437	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1587	{	2438	{
1588	WL w;	2439	WL w;
1589		2440
1590	if (expect_false (signum <= 0 || signum > EV_NSIG))	2441	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1591	return;	2442	return;
1592		2443
1593	--signum;	2444	--signum;
1594		2445
1595	#if EV_MULTIPLICITY	2446	#if EV_MULTIPLICITY
…		…
1599	if (expect_false (signals [signum].loop != EV_A))	2450	if (expect_false (signals [signum].loop != EV_A))
1600	return;	2451	return;
1601	#endif	2452	#endif
1602		2453
1603	signals [signum].pending = 0;	2454	signals [signum].pending = 0;
		2455	ECB_MEMORY_FENCE_RELEASE;
1604		2456
1605	for (w = signals [signum].head; w; w = w->next)	2457	for (w = signals [signum].head; w; w = w->next)
1606	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2458	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1607	}	2459	}
1608		2460
…		…
1707	#if EV_USE_SELECT	2559	#if EV_USE_SELECT
1708	# include "ev_select.c"	2560	# include "ev_select.c"
1709	#endif	2561	#endif
1710		2562
1711	int ecb_cold	2563	int ecb_cold
1712	ev_version_major (void)	2564	ev_version_major (void) EV_THROW
1713	{	2565	{
1714	return EV_VERSION_MAJOR;	2566	return EV_VERSION_MAJOR;
1715	}	2567	}
1716		2568
1717	int ecb_cold	2569	int ecb_cold
1718	ev_version_minor (void)	2570	ev_version_minor (void) EV_THROW
1719	{	2571	{
1720	return EV_VERSION_MINOR;	2572	return EV_VERSION_MINOR;
1721	}	2573	}
1722		2574
1723	/* return true if we are running with elevated privileges and should ignore env variables */	2575	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
1731	|| getgid () != getegid ();	2583	|| getgid () != getegid ();
1732	#endif	2584	#endif
1733	}	2585	}
1734		2586
1735	unsigned int ecb_cold	2587	unsigned int ecb_cold
1736	ev_supported_backends (void)	2588	ev_supported_backends (void) EV_THROW
1737	{	2589	{
1738	unsigned int flags = 0;	2590	unsigned int flags = 0;
1739		2591
1740	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2592	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1741	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2593	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
1745		2597
1746	return flags;	2598	return flags;
1747	}	2599	}
1748		2600
1749	unsigned int ecb_cold	2601	unsigned int ecb_cold
1750	ev_recommended_backends (void)	2602	ev_recommended_backends (void) EV_THROW
1751	{	2603	{
1752	unsigned int flags = ev_supported_backends ();	2604	unsigned int flags = ev_supported_backends ();
1753		2605
1754	#ifndef __NetBSD__	2606	#ifndef __NetBSD__
1755	/* kqueue is borked on everything but netbsd apparently */	2607	/* kqueue is borked on everything but netbsd apparently */
…		…
1767		2619
1768	return flags;	2620	return flags;
1769	}	2621	}
1770		2622
1771	unsigned int ecb_cold	2623	unsigned int ecb_cold
1772	ev_embeddable_backends (void)	2624	ev_embeddable_backends (void) EV_THROW
1773	{	2625	{
1774	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2626	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1775		2627
1776	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2628	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1777	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2629	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
1779		2631
1780	return flags;	2632	return flags;
1781	}	2633	}
1782		2634
1783	unsigned int	2635	unsigned int
1784	ev_backend (EV_P)	2636	ev_backend (EV_P) EV_THROW
1785	{	2637	{
1786	return backend;	2638	return backend;
1787	}	2639	}
1788		2640
1789	#if EV_FEATURE_API	2641	#if EV_FEATURE_API
1790	unsigned int	2642	unsigned int
1791	ev_iteration (EV_P)	2643	ev_iteration (EV_P) EV_THROW
1792	{	2644	{
1793	return loop_count;	2645	return loop_count;
1794	}	2646	}
1795		2647
1796	unsigned int	2648	unsigned int
1797	ev_depth (EV_P)	2649	ev_depth (EV_P) EV_THROW
1798	{	2650	{
1799	return loop_depth;	2651	return loop_depth;
1800	}	2652	}
1801		2653
1802	void	2654	void
1803	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2655	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1804	{	2656	{
1805	io_blocktime = interval;	2657	io_blocktime = interval;
1806	}	2658	}
1807		2659
1808	void	2660	void
1809	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2661	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1810	{	2662	{
1811	timeout_blocktime = interval;	2663	timeout_blocktime = interval;
1812	}	2664	}
1813		2665
1814	void	2666	void
1815	ev_set_userdata (EV_P_ void *data)	2667	ev_set_userdata (EV_P_ void *data) EV_THROW
1816	{	2668	{
1817	userdata = data;	2669	userdata = data;
1818	}	2670	}
1819		2671
1820	void *	2672	void *
1821	ev_userdata (EV_P)	2673	ev_userdata (EV_P) EV_THROW
1822	{	2674	{
1823	return userdata;	2675	return userdata;
1824	}	2676	}
1825		2677
1826	void	2678	void
1827	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2679	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
1828	{	2680	{
1829	invoke_cb = invoke_pending_cb;	2681	invoke_cb = invoke_pending_cb;
1830	}	2682	}
1831		2683
1832	void	2684	void
1833	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2685	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
1834	{	2686	{
1835	release_cb = release;	2687	release_cb = release;
1836	acquire_cb = acquire;	2688	acquire_cb = acquire;
1837	}	2689	}
1838	#endif	2690	#endif
1839		2691
1840	/* initialise a loop structure, must be zero-initialised */	2692	/* initialise a loop structure, must be zero-initialised */
1841	static void noinline ecb_cold	2693	static void noinline ecb_cold
1842	loop_init (EV_P_ unsigned int flags)	2694	loop_init (EV_P_ unsigned int flags) EV_THROW
1843	{	2695	{
1844	if (!backend)	2696	if (!backend)
1845	{	2697	{
1846	origflags = flags;	2698	origflags = flags;
1847		2699
…		…
1892	#if EV_ASYNC_ENABLE	2744	#if EV_ASYNC_ENABLE
1893	async_pending = 0;	2745	async_pending = 0;
1894	#endif	2746	#endif
1895	pipe_write_skipped = 0;	2747	pipe_write_skipped = 0;
1896	pipe_write_wanted = 0;	2748	pipe_write_wanted = 0;
		2749	evpipe [0] = -1;
		2750	evpipe [1] = -1;
1897	#if EV_USE_INOTIFY	2751	#if EV_USE_INOTIFY
1898	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2752	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1899	#endif	2753	#endif
1900	#if EV_USE_SIGNALFD	2754	#if EV_USE_SIGNALFD
1901	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2755	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
1952	EV_INVOKE_PENDING;	2806	EV_INVOKE_PENDING;
1953	}	2807	}
1954	#endif	2808	#endif
1955		2809
1956	#if EV_CHILD_ENABLE	2810	#if EV_CHILD_ENABLE
1957	if (ev_is_active (&childev))	2811	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1958	{	2812	{
1959	ev_ref (EV_A); /* child watcher */	2813	ev_ref (EV_A); /* child watcher */
1960	ev_signal_stop (EV_A_ &childev);	2814	ev_signal_stop (EV_A_ &childev);
1961	}	2815	}
1962	#endif	2816	#endif
…		…
1964	if (ev_is_active (&pipe_w))	2818	if (ev_is_active (&pipe_w))
1965	{	2819	{
1966	/*ev_ref (EV_A);*/	2820	/*ev_ref (EV_A);*/
1967	/*ev_io_stop (EV_A_ &pipe_w);*/	2821	/*ev_io_stop (EV_A_ &pipe_w);*/
1968		2822
1969	#if EV_USE_EVENTFD
1970	if (evfd >= 0)
1971	close (evfd);
1972	#endif
1973
1974	if (evpipe [0] >= 0)
1975	{
1976	EV_WIN32_CLOSE_FD (evpipe [0]);	2823	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1977	EV_WIN32_CLOSE_FD (evpipe [1]);	2824	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1978	}
1979	}	2825	}
1980		2826
1981	#if EV_USE_SIGNALFD	2827	#if EV_USE_SIGNALFD
1982	if (ev_is_active (&sigfd_w))	2828	if (ev_is_active (&sigfd_w))
1983	close (sigfd);	2829	close (sigfd);
…		…
2069	#endif	2915	#endif
2070	#if EV_USE_INOTIFY	2916	#if EV_USE_INOTIFY
2071	infy_fork (EV_A);	2917	infy_fork (EV_A);
2072	#endif	2918	#endif
2073		2919
		2920	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2074	if (ev_is_active (&pipe_w))	2921	if (ev_is_active (&pipe_w) && postfork != 2)
2075	{	2922	{
2076	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2923	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2077		2924
2078	ev_ref (EV_A);	2925	ev_ref (EV_A);
2079	ev_io_stop (EV_A_ &pipe_w);	2926	ev_io_stop (EV_A_ &pipe_w);
2080		2927
2081	#if EV_USE_EVENTFD
2082	if (evfd >= 0)
2083	close (evfd);
2084	#endif
2085
2086	if (evpipe [0] >= 0)	2928	if (evpipe [0] >= 0)
2087	{
2088	EV_WIN32_CLOSE_FD (evpipe [0]);	2929	EV_WIN32_CLOSE_FD (evpipe [0]);
2089	EV_WIN32_CLOSE_FD (evpipe [1]);
2090	}
2091		2930
2092	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2093	evpipe_init (EV_A);	2931	evpipe_init (EV_A);
2094	/* now iterate over everything, in case we missed something */	2932	/* iterate over everything, in case we missed something before */
2095	pipecb (EV_A_ &pipe_w, EV_READ);	2933	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2096	#endif
2097	}	2934	}
		2935	#endif
2098		2936
2099	postfork = 0;	2937	postfork = 0;
2100	}	2938	}
2101		2939
2102	#if EV_MULTIPLICITY	2940	#if EV_MULTIPLICITY
2103		2941
2104	struct ev_loop * ecb_cold	2942	struct ev_loop * ecb_cold
2105	ev_loop_new (unsigned int flags)	2943	ev_loop_new (unsigned int flags) EV_THROW
2106	{	2944	{
2107	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2945	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2108		2946
2109	memset (EV_A, 0, sizeof (struct ev_loop));	2947	memset (EV_A, 0, sizeof (struct ev_loop));
2110	loop_init (EV_A_ flags);	2948	loop_init (EV_A_ flags);
…		…
2154	}	2992	}
2155	#endif	2993	#endif
2156		2994
2157	#if EV_FEATURE_API	2995	#if EV_FEATURE_API
2158	void ecb_cold	2996	void ecb_cold
2159	ev_verify (EV_P)	2997	ev_verify (EV_P) EV_THROW
2160	{	2998	{
2161	#if EV_VERIFY	2999	#if EV_VERIFY
2162	int i;	3000	int i;
2163	WL w;	3001	WL w, w2;
2164		3002
2165	assert (activecnt >= -1);	3003	assert (activecnt >= -1);
2166		3004
2167	assert (fdchangemax >= fdchangecnt);	3005	assert (fdchangemax >= fdchangecnt);
2168	for (i = 0; i < fdchangecnt; ++i)	3006	for (i = 0; i < fdchangecnt; ++i)
2169	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	3007	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2170		3008
2171	assert (anfdmax >= 0);	3009	assert (anfdmax >= 0);
2172	for (i = 0; i < anfdmax; ++i)	3010	for (i = 0; i < anfdmax; ++i)
		3011	{
		3012	int j = 0;
		3013
2173	for (w = anfds [i].head; w; w = w->next)	3014	for (w = w2 = anfds [i].head; w; w = w->next)
2174	{	3015	{
2175	verify_watcher (EV_A_ (W)w);	3016	verify_watcher (EV_A_ (W)w);
		3017
		3018	if (j++ & 1)
		3019	{
		3020	assert (("libev: io watcher list contains a loop", w != w2));
		3021	w2 = w2->next;
		3022	}
		3023
2176	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	3024	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2177	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	3025	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2178	}	3026	}
		3027	}
2179		3028
2180	assert (timermax >= timercnt);	3029	assert (timermax >= timercnt);
2181	verify_heap (EV_A_ timers, timercnt);	3030	verify_heap (EV_A_ timers, timercnt);
2182		3031
2183	#if EV_PERIODIC_ENABLE	3032	#if EV_PERIODIC_ENABLE
…		…
2233	#if EV_MULTIPLICITY	3082	#if EV_MULTIPLICITY
2234	struct ev_loop * ecb_cold	3083	struct ev_loop * ecb_cold
2235	#else	3084	#else
2236	int	3085	int
2237	#endif	3086	#endif
2238	ev_default_loop (unsigned int flags)	3087	ev_default_loop (unsigned int flags) EV_THROW
2239	{	3088	{
2240	if (!ev_default_loop_ptr)	3089	if (!ev_default_loop_ptr)
2241	{	3090	{
2242	#if EV_MULTIPLICITY	3091	#if EV_MULTIPLICITY
2243	EV_P = ev_default_loop_ptr = &default_loop_struct;	3092	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2262		3111
2263	return ev_default_loop_ptr;	3112	return ev_default_loop_ptr;
2264	}	3113	}
2265		3114
2266	void	3115	void
2267	ev_loop_fork (EV_P)	3116	ev_loop_fork (EV_P) EV_THROW
2268	{	3117	{
2269	postfork = 1; /* must be in line with ev_default_fork */	3118	postfork = 1;
2270	}	3119	}
2271		3120
2272	/*****************************************************************************/	3121	/*****************************************************************************/
2273		3122
2274	void	3123	void
…		…
2276	{	3125	{
2277	EV_CB_INVOKE ((W)w, revents);	3126	EV_CB_INVOKE ((W)w, revents);
2278	}	3127	}
2279		3128
2280	unsigned int	3129	unsigned int
2281	ev_pending_count (EV_P)	3130	ev_pending_count (EV_P) EV_THROW
2282	{	3131	{
2283	int pri;	3132	int pri;
2284	unsigned int count = 0;	3133	unsigned int count = 0;
2285		3134
2286	for (pri = NUMPRI; pri--; )	3135	for (pri = NUMPRI; pri--; )
…		…
2290	}	3139	}
2291		3140
2292	void noinline	3141	void noinline
2293	ev_invoke_pending (EV_P)	3142	ev_invoke_pending (EV_P)
2294	{	3143	{
2295	int pri;	3144	pendingpri = NUMPRI;
2296		3145
2297	for (pri = NUMPRI; pri--; )	3146	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3147	{
		3148	--pendingpri;
		3149
2298	while (pendingcnt [pri])	3150	while (pendingcnt [pendingpri])
2299	{	3151	{
2300	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3152	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2301		3153
2302	p->w->pending = 0;	3154	p->w->pending = 0;
2303	EV_CB_INVOKE (p->w, p->events);	3155	EV_CB_INVOKE (p->w, p->events);
2304	EV_FREQUENT_CHECK;	3156	EV_FREQUENT_CHECK;
2305	}	3157	}
		3158	}
2306	}	3159	}
2307		3160
2308	#if EV_IDLE_ENABLE	3161	#if EV_IDLE_ENABLE
2309	/* make idle watchers pending. this handles the "call-idle */	3162	/* make idle watchers pending. this handles the "call-idle */
2310	/* only when higher priorities are idle" logic */	3163	/* only when higher priorities are idle" logic */
…		…
2400	{	3253	{
2401	EV_FREQUENT_CHECK;	3254	EV_FREQUENT_CHECK;
2402		3255
2403	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3256	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2404	{	3257	{
2405	int feed_count = 0;
2406
2407	do	3258	do
2408	{	3259	{
2409	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3260	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2410		3261
2411	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3262	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2545		3396
2546	mn_now = ev_rt_now;	3397	mn_now = ev_rt_now;
2547	}	3398	}
2548	}	3399	}
2549		3400
2550	void	3401	int
2551	ev_run (EV_P_ int flags)	3402	ev_run (EV_P_ int flags)
2552	{	3403	{
2553	#if EV_FEATURE_API	3404	#if EV_FEATURE_API
2554	++loop_depth;	3405	++loop_depth;
2555	#endif	3406	#endif
…		…
2616	time_update (EV_A_ 1e100);	3467	time_update (EV_A_ 1e100);
2617		3468
2618	/* from now on, we want a pipe-wake-up */	3469	/* from now on, we want a pipe-wake-up */
2619	pipe_write_wanted = 1;	3470	pipe_write_wanted = 1;
2620		3471
2621	ECB_MEMORY_FENCE; /* amke sure pipe_write_wanted is visible before we check for potential skips */	3472	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
2622		3473
2623	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3474	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2624	{	3475	{
2625	waittime = MAX_BLOCKTIME;	3476	waittime = MAX_BLOCKTIME;
2626		3477
…		…
2668	#endif	3519	#endif
2669	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3520	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2670	backend_poll (EV_A_ waittime);	3521	backend_poll (EV_A_ waittime);
2671	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3522	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2672		3523
2673	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3524	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2674		3525
		3526	ECB_MEMORY_FENCE_ACQUIRE;
2675	if (pipe_write_skipped)	3527	if (pipe_write_skipped)
2676	{	3528	{
2677	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3529	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2678	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3530	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2679	}	3531	}
…		…
2712	loop_done = EVBREAK_CANCEL;	3564	loop_done = EVBREAK_CANCEL;
2713		3565
2714	#if EV_FEATURE_API	3566	#if EV_FEATURE_API
2715	--loop_depth;	3567	--loop_depth;
2716	#endif	3568	#endif
		3569
		3570	return activecnt;
2717	}	3571	}
2718		3572
2719	void	3573	void
2720	ev_break (EV_P_ int how)	3574	ev_break (EV_P_ int how) EV_THROW
2721	{	3575	{
2722	loop_done = how;	3576	loop_done = how;
2723	}	3577	}
2724		3578
2725	void	3579	void
2726	ev_ref (EV_P)	3580	ev_ref (EV_P) EV_THROW
2727	{	3581	{
2728	++activecnt;	3582	++activecnt;
2729	}	3583	}
2730		3584
2731	void	3585	void
2732	ev_unref (EV_P)	3586	ev_unref (EV_P) EV_THROW
2733	{	3587	{
2734	--activecnt;	3588	--activecnt;
2735	}	3589	}
2736		3590
2737	void	3591	void
2738	ev_now_update (EV_P)	3592	ev_now_update (EV_P) EV_THROW
2739	{	3593	{
2740	time_update (EV_A_ 1e100);	3594	time_update (EV_A_ 1e100);
2741	}	3595	}
2742		3596
2743	void	3597	void
2744	ev_suspend (EV_P)	3598	ev_suspend (EV_P) EV_THROW
2745	{	3599	{
2746	ev_now_update (EV_A);	3600	ev_now_update (EV_A);
2747	}	3601	}
2748		3602
2749	void	3603	void
2750	ev_resume (EV_P)	3604	ev_resume (EV_P) EV_THROW
2751	{	3605	{
2752	ev_tstamp mn_prev = mn_now;	3606	ev_tstamp mn_prev = mn_now;
2753		3607
2754	ev_now_update (EV_A);	3608	ev_now_update (EV_A);
2755	timers_reschedule (EV_A_ mn_now - mn_prev);	3609	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
2794	w->pending = 0;	3648	w->pending = 0;
2795	}	3649	}
2796	}	3650	}
2797		3651
2798	int	3652	int
2799	ev_clear_pending (EV_P_ void *w)	3653	ev_clear_pending (EV_P_ void *w) EV_THROW
2800	{	3654	{
2801	W w_ = (W)w;	3655	W w_ = (W)w;
2802	int pending = w_->pending;	3656	int pending = w_->pending;
2803		3657
2804	if (expect_true (pending))	3658	if (expect_true (pending))
…		…
2837	}	3691	}
2838		3692
2839	/*****************************************************************************/	3693	/*****************************************************************************/
2840		3694
2841	void noinline	3695	void noinline
2842	ev_io_start (EV_P_ ev_io *w)	3696	ev_io_start (EV_P_ ev_io *w) EV_THROW
2843	{	3697	{
2844	int fd = w->fd;	3698	int fd = w->fd;
2845		3699
2846	if (expect_false (ev_is_active (w)))	3700	if (expect_false (ev_is_active (w)))
2847	return;	3701	return;
…		…
2853		3707
2854	ev_start (EV_A_ (W)w, 1);	3708	ev_start (EV_A_ (W)w, 1);
2855	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3709	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2856	wlist_add (&anfds[fd].head, (WL)w);	3710	wlist_add (&anfds[fd].head, (WL)w);
2857		3711
		3712	/* common bug, apparently */
		3713	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3714
2858	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3715	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2859	w->events &= ~EV__IOFDSET;	3716	w->events &= ~EV__IOFDSET;
2860		3717
2861	EV_FREQUENT_CHECK;	3718	EV_FREQUENT_CHECK;
2862	}	3719	}
2863		3720
2864	void noinline	3721	void noinline
2865	ev_io_stop (EV_P_ ev_io *w)	3722	ev_io_stop (EV_P_ ev_io *w) EV_THROW
2866	{	3723	{
2867	clear_pending (EV_A_ (W)w);	3724	clear_pending (EV_A_ (W)w);
2868	if (expect_false (!ev_is_active (w)))	3725	if (expect_false (!ev_is_active (w)))
2869	return;	3726	return;
2870		3727
…		…
2879		3736
2880	EV_FREQUENT_CHECK;	3737	EV_FREQUENT_CHECK;
2881	}	3738	}
2882		3739
2883	void noinline	3740	void noinline
2884	ev_timer_start (EV_P_ ev_timer *w)	3741	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2885	{	3742	{
2886	if (expect_false (ev_is_active (w)))	3743	if (expect_false (ev_is_active (w)))
2887	return;	3744	return;
2888		3745
2889	ev_at (w) += mn_now;	3746	ev_at (w) += mn_now;
…		…
2903		3760
2904	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3761	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2905	}	3762	}
2906		3763
2907	void noinline	3764	void noinline
2908	ev_timer_stop (EV_P_ ev_timer *w)	3765	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2909	{	3766	{
2910	clear_pending (EV_A_ (W)w);	3767	clear_pending (EV_A_ (W)w);
2911	if (expect_false (!ev_is_active (w)))	3768	if (expect_false (!ev_is_active (w)))
2912	return;	3769	return;
2913		3770
…		…
2933		3790
2934	EV_FREQUENT_CHECK;	3791	EV_FREQUENT_CHECK;
2935	}	3792	}
2936		3793
2937	void noinline	3794	void noinline
2938	ev_timer_again (EV_P_ ev_timer *w)	3795	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2939	{	3796	{
2940	EV_FREQUENT_CHECK;	3797	EV_FREQUENT_CHECK;
		3798
		3799	clear_pending (EV_A_ (W)w);
2941		3800
2942	if (ev_is_active (w))	3801	if (ev_is_active (w))
2943	{	3802	{
2944	if (w->repeat)	3803	if (w->repeat)
2945	{	3804	{
…		…
2958		3817
2959	EV_FREQUENT_CHECK;	3818	EV_FREQUENT_CHECK;
2960	}	3819	}
2961		3820
2962	ev_tstamp	3821	ev_tstamp
2963	ev_timer_remaining (EV_P_ ev_timer *w)	3822	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2964	{	3823	{
2965	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3824	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2966	}	3825	}
2967		3826
2968	#if EV_PERIODIC_ENABLE	3827	#if EV_PERIODIC_ENABLE
2969	void noinline	3828	void noinline
2970	ev_periodic_start (EV_P_ ev_periodic *w)	3829	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2971	{	3830	{
2972	if (expect_false (ev_is_active (w)))	3831	if (expect_false (ev_is_active (w)))
2973	return;	3832	return;
2974		3833
2975	if (w->reschedule_cb)	3834	if (w->reschedule_cb)
…		…
2995		3854
2996	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3855	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2997	}	3856	}
2998		3857
2999	void noinline	3858	void noinline
3000	ev_periodic_stop (EV_P_ ev_periodic *w)	3859	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3001	{	3860	{
3002	clear_pending (EV_A_ (W)w);	3861	clear_pending (EV_A_ (W)w);
3003	if (expect_false (!ev_is_active (w)))	3862	if (expect_false (!ev_is_active (w)))
3004	return;	3863	return;
3005		3864
…		…
3023		3882
3024	EV_FREQUENT_CHECK;	3883	EV_FREQUENT_CHECK;
3025	}	3884	}
3026		3885
3027	void noinline	3886	void noinline
3028	ev_periodic_again (EV_P_ ev_periodic *w)	3887	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3029	{	3888	{
3030	/* TODO: use adjustheap and recalculation */	3889	/* TODO: use adjustheap and recalculation */
3031	ev_periodic_stop (EV_A_ w);	3890	ev_periodic_stop (EV_A_ w);
3032	ev_periodic_start (EV_A_ w);	3891	ev_periodic_start (EV_A_ w);
3033	}	3892	}
…		…
3038	#endif	3897	#endif
3039		3898
3040	#if EV_SIGNAL_ENABLE	3899	#if EV_SIGNAL_ENABLE
3041		3900
3042	void noinline	3901	void noinline
3043	ev_signal_start (EV_P_ ev_signal *w)	3902	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3044	{	3903	{
3045	if (expect_false (ev_is_active (w)))	3904	if (expect_false (ev_is_active (w)))
3046	return;	3905	return;
3047		3906
3048	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3907	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3050	#if EV_MULTIPLICITY	3909	#if EV_MULTIPLICITY
3051	assert (("libev: a signal must not be attached to two different loops",	3910	assert (("libev: a signal must not be attached to two different loops",
3052	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3911	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3053		3912
3054	signals [w->signum - 1].loop = EV_A;	3913	signals [w->signum - 1].loop = EV_A;
		3914	ECB_MEMORY_FENCE_RELEASE;
3055	#endif	3915	#endif
3056		3916
3057	EV_FREQUENT_CHECK;	3917	EV_FREQUENT_CHECK;
3058		3918
3059	#if EV_USE_SIGNALFD	3919	#if EV_USE_SIGNALFD
…		…
3119		3979
3120	EV_FREQUENT_CHECK;	3980	EV_FREQUENT_CHECK;
3121	}	3981	}
3122		3982
3123	void noinline	3983	void noinline
3124	ev_signal_stop (EV_P_ ev_signal *w)	3984	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3125	{	3985	{
3126	clear_pending (EV_A_ (W)w);	3986	clear_pending (EV_A_ (W)w);
3127	if (expect_false (!ev_is_active (w)))	3987	if (expect_false (!ev_is_active (w)))
3128	return;	3988	return;
3129		3989
…		…
3160	#endif	4020	#endif
3161		4021
3162	#if EV_CHILD_ENABLE	4022	#if EV_CHILD_ENABLE
3163		4023
3164	void	4024	void
3165	ev_child_start (EV_P_ ev_child *w)	4025	ev_child_start (EV_P_ ev_child *w) EV_THROW
3166	{	4026	{
3167	#if EV_MULTIPLICITY	4027	#if EV_MULTIPLICITY
3168	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4028	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3169	#endif	4029	#endif
3170	if (expect_false (ev_is_active (w)))	4030	if (expect_false (ev_is_active (w)))
…		…
3177		4037
3178	EV_FREQUENT_CHECK;	4038	EV_FREQUENT_CHECK;
3179	}	4039	}
3180		4040
3181	void	4041	void
3182	ev_child_stop (EV_P_ ev_child *w)	4042	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3183	{	4043	{
3184	clear_pending (EV_A_ (W)w);	4044	clear_pending (EV_A_ (W)w);
3185	if (expect_false (!ev_is_active (w)))	4045	if (expect_false (!ev_is_active (w)))
3186	return;	4046	return;
3187		4047
…		…
3214	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4074	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3215		4075
3216	static void noinline	4076	static void noinline
3217	infy_add (EV_P_ ev_stat *w)	4077	infy_add (EV_P_ ev_stat *w)
3218	{	4078	{
3219	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);	4079	w->wd = inotify_add_watch (fs_fd, w->path,
		4080	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		4081	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		4082	| IN_DONT_FOLLOW | IN_MASK_ADD);
3220		4083
3221	if (w->wd >= 0)	4084	if (w->wd >= 0)
3222	{	4085	{
3223	struct statfs sfs;	4086	struct statfs sfs;
3224		4087
…		…
3228		4091
3229	if (!fs_2625)	4092	if (!fs_2625)
3230	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4093	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3231	else if (!statfs (w->path, &sfs)	4094	else if (!statfs (w->path, &sfs)
3232	&& (sfs.f_type == 0x1373 /* devfs */	4095	&& (sfs.f_type == 0x1373 /* devfs */
		4096	|| sfs.f_type == 0x4006 /* fat */
		4097	|| sfs.f_type == 0x4d44 /* msdos */
3233	|| sfs.f_type == 0xEF53 /* ext2/3 */	4098	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4099	|| sfs.f_type == 0x72b6 /* jffs2 */
		4100	|| sfs.f_type == 0x858458f6 /* ramfs */
		4101	|| sfs.f_type == 0x5346544e /* ntfs */
3234	|| sfs.f_type == 0x3153464a /* jfs */	4102	|| sfs.f_type == 0x3153464a /* jfs */
		4103	|| sfs.f_type == 0x9123683e /* btrfs */
3235	|| sfs.f_type == 0x52654973 /* reiser3 */	4104	|| sfs.f_type == 0x52654973 /* reiser3 */
3236	|| sfs.f_type == 0x01021994 /* tempfs */	4105	|| sfs.f_type == 0x01021994 /* tmpfs */
3237	|| sfs.f_type == 0x58465342 /* xfs */))	4106	|| sfs.f_type == 0x58465342 /* xfs */))
3238	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4107	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3239	else	4108	else
3240	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4109	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3241	}	4110	}
…		…
3354	}	4223	}
3355		4224
3356	inline_size int	4225	inline_size int
3357	infy_newfd (void)	4226	infy_newfd (void)
3358	{	4227	{
3359	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4228	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3360	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4229	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3361	if (fd >= 0)	4230	if (fd >= 0)
3362	return fd;	4231	return fd;
3363	#endif	4232	#endif
3364	return inotify_init ();	4233	return inotify_init ();
…		…
3439	#else	4308	#else
3440	# define EV_LSTAT(p,b) lstat (p, b)	4309	# define EV_LSTAT(p,b) lstat (p, b)
3441	#endif	4310	#endif
3442		4311
3443	void	4312	void
3444	ev_stat_stat (EV_P_ ev_stat *w)	4313	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3445	{	4314	{
3446	if (lstat (w->path, &w->attr) < 0)	4315	if (lstat (w->path, &w->attr) < 0)
3447	w->attr.st_nlink = 0;	4316	w->attr.st_nlink = 0;
3448	else if (!w->attr.st_nlink)	4317	else if (!w->attr.st_nlink)
3449	w->attr.st_nlink = 1;	4318	w->attr.st_nlink = 1;
…		…
3488	ev_feed_event (EV_A_ w, EV_STAT);	4357	ev_feed_event (EV_A_ w, EV_STAT);
3489	}	4358	}
3490	}	4359	}
3491		4360
3492	void	4361	void
3493	ev_stat_start (EV_P_ ev_stat *w)	4362	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3494	{	4363	{
3495	if (expect_false (ev_is_active (w)))	4364	if (expect_false (ev_is_active (w)))
3496	return;	4365	return;
3497		4366
3498	ev_stat_stat (EV_A_ w);	4367	ev_stat_stat (EV_A_ w);
…		…
3519		4388
3520	EV_FREQUENT_CHECK;	4389	EV_FREQUENT_CHECK;
3521	}	4390	}
3522		4391
3523	void	4392	void
3524	ev_stat_stop (EV_P_ ev_stat *w)	4393	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3525	{	4394	{
3526	clear_pending (EV_A_ (W)w);	4395	clear_pending (EV_A_ (W)w);
3527	if (expect_false (!ev_is_active (w)))	4396	if (expect_false (!ev_is_active (w)))
3528	return;	4397	return;
3529		4398
…		…
3545	}	4414	}
3546	#endif	4415	#endif
3547		4416
3548	#if EV_IDLE_ENABLE	4417	#if EV_IDLE_ENABLE
3549	void	4418	void
3550	ev_idle_start (EV_P_ ev_idle *w)	4419	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3551	{	4420	{
3552	if (expect_false (ev_is_active (w)))	4421	if (expect_false (ev_is_active (w)))
3553	return;	4422	return;
3554		4423
3555	pri_adjust (EV_A_ (W)w);	4424	pri_adjust (EV_A_ (W)w);
…		…
3568		4437
3569	EV_FREQUENT_CHECK;	4438	EV_FREQUENT_CHECK;
3570	}	4439	}
3571		4440
3572	void	4441	void
3573	ev_idle_stop (EV_P_ ev_idle *w)	4442	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3574	{	4443	{
3575	clear_pending (EV_A_ (W)w);	4444	clear_pending (EV_A_ (W)w);
3576	if (expect_false (!ev_is_active (w)))	4445	if (expect_false (!ev_is_active (w)))
3577	return;	4446	return;
3578		4447
…		…
3592	}	4461	}
3593	#endif	4462	#endif
3594		4463
3595	#if EV_PREPARE_ENABLE	4464	#if EV_PREPARE_ENABLE
3596	void	4465	void
3597	ev_prepare_start (EV_P_ ev_prepare *w)	4466	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3598	{	4467	{
3599	if (expect_false (ev_is_active (w)))	4468	if (expect_false (ev_is_active (w)))
3600	return;	4469	return;
3601		4470
3602	EV_FREQUENT_CHECK;	4471	EV_FREQUENT_CHECK;
…		…
3607		4476
3608	EV_FREQUENT_CHECK;	4477	EV_FREQUENT_CHECK;
3609	}	4478	}
3610		4479
3611	void	4480	void
3612	ev_prepare_stop (EV_P_ ev_prepare *w)	4481	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3613	{	4482	{
3614	clear_pending (EV_A_ (W)w);	4483	clear_pending (EV_A_ (W)w);
3615	if (expect_false (!ev_is_active (w)))	4484	if (expect_false (!ev_is_active (w)))
3616	return;	4485	return;
3617		4486
…		…
3630	}	4499	}
3631	#endif	4500	#endif
3632		4501
3633	#if EV_CHECK_ENABLE	4502	#if EV_CHECK_ENABLE
3634	void	4503	void
3635	ev_check_start (EV_P_ ev_check *w)	4504	ev_check_start (EV_P_ ev_check *w) EV_THROW
3636	{	4505	{
3637	if (expect_false (ev_is_active (w)))	4506	if (expect_false (ev_is_active (w)))
3638	return;	4507	return;
3639		4508
3640	EV_FREQUENT_CHECK;	4509	EV_FREQUENT_CHECK;
…		…
3645		4514
3646	EV_FREQUENT_CHECK;	4515	EV_FREQUENT_CHECK;
3647	}	4516	}
3648		4517
3649	void	4518	void
3650	ev_check_stop (EV_P_ ev_check *w)	4519	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3651	{	4520	{
3652	clear_pending (EV_A_ (W)w);	4521	clear_pending (EV_A_ (W)w);
3653	if (expect_false (!ev_is_active (w)))	4522	if (expect_false (!ev_is_active (w)))
3654	return;	4523	return;
3655		4524
…		…
3668	}	4537	}
3669	#endif	4538	#endif
3670		4539
3671	#if EV_EMBED_ENABLE	4540	#if EV_EMBED_ENABLE
3672	void noinline	4541	void noinline
3673	ev_embed_sweep (EV_P_ ev_embed *w)	4542	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3674	{	4543	{
3675	ev_run (w->other, EVRUN_NOWAIT);	4544	ev_run (w->other, EVRUN_NOWAIT);
3676	}	4545	}
3677		4546
3678	static void	4547	static void
…		…
3726	ev_idle_stop (EV_A_ idle);	4595	ev_idle_stop (EV_A_ idle);
3727	}	4596	}
3728	#endif	4597	#endif
3729		4598
3730	void	4599	void
3731	ev_embed_start (EV_P_ ev_embed *w)	4600	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3732	{	4601	{
3733	if (expect_false (ev_is_active (w)))	4602	if (expect_false (ev_is_active (w)))
3734	return;	4603	return;
3735		4604
3736	{	4605	{
…		…
3757		4626
3758	EV_FREQUENT_CHECK;	4627	EV_FREQUENT_CHECK;
3759	}	4628	}
3760		4629
3761	void	4630	void
3762	ev_embed_stop (EV_P_ ev_embed *w)	4631	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3763	{	4632	{
3764	clear_pending (EV_A_ (W)w);	4633	clear_pending (EV_A_ (W)w);
3765	if (expect_false (!ev_is_active (w)))	4634	if (expect_false (!ev_is_active (w)))
3766	return;	4635	return;
3767		4636
…		…
3777	}	4646	}
3778	#endif	4647	#endif
3779		4648
3780	#if EV_FORK_ENABLE	4649	#if EV_FORK_ENABLE
3781	void	4650	void
3782	ev_fork_start (EV_P_ ev_fork *w)	4651	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3783	{	4652	{
3784	if (expect_false (ev_is_active (w)))	4653	if (expect_false (ev_is_active (w)))
3785	return;	4654	return;
3786		4655
3787	EV_FREQUENT_CHECK;	4656	EV_FREQUENT_CHECK;
…		…
3792		4661
3793	EV_FREQUENT_CHECK;	4662	EV_FREQUENT_CHECK;
3794	}	4663	}
3795		4664
3796	void	4665	void
3797	ev_fork_stop (EV_P_ ev_fork *w)	4666	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3798	{	4667	{
3799	clear_pending (EV_A_ (W)w);	4668	clear_pending (EV_A_ (W)w);
3800	if (expect_false (!ev_is_active (w)))	4669	if (expect_false (!ev_is_active (w)))
3801	return;	4670	return;
3802		4671
…		…
3815	}	4684	}
3816	#endif	4685	#endif
3817		4686
3818	#if EV_CLEANUP_ENABLE	4687	#if EV_CLEANUP_ENABLE
3819	void	4688	void
3820	ev_cleanup_start (EV_P_ ev_cleanup *w)	4689	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3821	{	4690	{
3822	if (expect_false (ev_is_active (w)))	4691	if (expect_false (ev_is_active (w)))
3823	return;	4692	return;
3824		4693
3825	EV_FREQUENT_CHECK;	4694	EV_FREQUENT_CHECK;
…		…
3832	ev_unref (EV_A);	4701	ev_unref (EV_A);
3833	EV_FREQUENT_CHECK;	4702	EV_FREQUENT_CHECK;
3834	}	4703	}
3835		4704
3836	void	4705	void
3837	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4706	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3838	{	4707	{
3839	clear_pending (EV_A_ (W)w);	4708	clear_pending (EV_A_ (W)w);
3840	if (expect_false (!ev_is_active (w)))	4709	if (expect_false (!ev_is_active (w)))
3841	return;	4710	return;
3842		4711
…		…
3856	}	4725	}
3857	#endif	4726	#endif
3858		4727
3859	#if EV_ASYNC_ENABLE	4728	#if EV_ASYNC_ENABLE
3860	void	4729	void
3861	ev_async_start (EV_P_ ev_async *w)	4730	ev_async_start (EV_P_ ev_async *w) EV_THROW
3862	{	4731	{
3863	if (expect_false (ev_is_active (w)))	4732	if (expect_false (ev_is_active (w)))
3864	return;	4733	return;
3865		4734
3866	w->sent = 0;	4735	w->sent = 0;
…		…
3875		4744
3876	EV_FREQUENT_CHECK;	4745	EV_FREQUENT_CHECK;
3877	}	4746	}
3878		4747
3879	void	4748	void
3880	ev_async_stop (EV_P_ ev_async *w)	4749	ev_async_stop (EV_P_ ev_async *w) EV_THROW
3881	{	4750	{
3882	clear_pending (EV_A_ (W)w);	4751	clear_pending (EV_A_ (W)w);
3883	if (expect_false (!ev_is_active (w)))	4752	if (expect_false (!ev_is_active (w)))
3884	return;	4753	return;
3885		4754
…		…
3896		4765
3897	EV_FREQUENT_CHECK;	4766	EV_FREQUENT_CHECK;
3898	}	4767	}
3899		4768
3900	void	4769	void
3901	ev_async_send (EV_P_ ev_async *w)	4770	ev_async_send (EV_P_ ev_async *w) EV_THROW
3902	{	4771	{
3903	w->sent = 1;	4772	w->sent = 1;
3904	evpipe_write (EV_A_ &async_pending);	4773	evpipe_write (EV_A_ &async_pending);
3905	}	4774	}
3906	#endif	4775	#endif
…		…
3943		4812
3944	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4813	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3945	}	4814	}
3946		4815
3947	void	4816	void
3948	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4817	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3949	{	4818	{
3950	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4819	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3951		4820
3952	if (expect_false (!once))	4821	if (expect_false (!once))
3953	{	4822	{
…		…
3975		4844
3976	/*****************************************************************************/	4845	/*****************************************************************************/
3977		4846
3978	#if EV_WALK_ENABLE	4847	#if EV_WALK_ENABLE
3979	void ecb_cold	4848	void ecb_cold
3980	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4849	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3981	{	4850	{
3982	int i, j;	4851	int i, j;
3983	ev_watcher_list *wl, *wn;	4852	ev_watcher_list *wl, *wn;
3984		4853
3985	if (types & (EV_IO | EV_EMBED))	4854	if (types & (EV_IO | EV_EMBED))
…		…
4028	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));	4897	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
4029	#endif	4898	#endif
4030		4899
4031	#if EV_IDLE_ENABLE	4900	#if EV_IDLE_ENABLE
4032	if (types & EV_IDLE)	4901	if (types & EV_IDLE)
4033	for (j = NUMPRI; i--; )	4902	for (j = NUMPRI; j--; )
4034	for (i = idlecnt [j]; i--; )	4903	for (i = idlecnt [j]; i--; )
4035	cb (EV_A_ EV_IDLE, idles [j][i]);	4904	cb (EV_A_ EV_IDLE, idles [j][i]);
4036	#endif	4905	#endif
4037		4906
4038	#if EV_FORK_ENABLE	4907	#if EV_FORK_ENABLE
…		…
4091		4960
4092	#if EV_MULTIPLICITY	4961	#if EV_MULTIPLICITY
4093	#include "ev_wrap.h"	4962	#include "ev_wrap.h"
4094	#endif	4963	#endif
4095		4964
4096	EV_CPP(})
4097

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