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Comparing libev/ev.c (file contents):
Revision 1.388 by root, Fri Jul 29 12:17:26 2011 UTC vs.
Revision 1.474 by root, Wed Feb 11 19:20:21 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	/* work around x32 idiocy by defining proper macros */
		572	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64
		573	#if _ILP32
		574	#define ECB_AMD64_X32 1
		575	#else
		576	#define ECB_AMD64 1
		577	#endif
		578	#endif
471		579
472	/* many compilers define _GNUC_ to some versions but then only implement	580	/* many compilers define _GNUC_ to some versions but then only implement
473	* what their idiot authors think are the "more important" extensions,	581	* what their idiot authors think are the "more important" extensions,
474	* causing enourmous grief in return for some better fake benchmark numbers.	582	* causing enormous grief in return for some better fake benchmark numbers.
475	* or so.	583	* or so.
476	* we try to detect these and simply assume they are not gcc - if they have	584	* 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.	585	* an issue with that they should have done it right in the first place.
478	*/	586	*/
479	#ifndef ECB_GCC_VERSION
480	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	587	#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	588	#define ECB_GCC_VERSION(major,minor) 0
482	#else	589	#else
483	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	590	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
		591	#endif
		592
		593	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		594
		595	#if __clang__ && defined __has_builtin
		596	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		597	#else
		598	#define ECB_CLANG_BUILTIN(x) 0
		599	#endif
		600
		601	#if __clang__ && defined __has_extension
		602	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		603	#else
		604	#define ECB_CLANG_EXTENSION(x) 0
		605	#endif
		606
		607	#define ECB_CPP (__cplusplus+0)
		608	#define ECB_CPP11 (__cplusplus >= 201103L)
		609
		610	#if ECB_CPP
		611	#define ECB_C 0
		612	#define ECB_STDC_VERSION 0
		613	#else
		614	#define ECB_C 1
		615	#define ECB_STDC_VERSION __STDC_VERSION__
		616	#endif
		617
		618	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		619	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		620
		621	#if ECB_CPP
		622	#define ECB_EXTERN_C extern "C"
		623	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		624	#define ECB_EXTERN_C_END }
		625	#else
		626	#define ECB_EXTERN_C extern
		627	#define ECB_EXTERN_C_BEG
		628	#define ECB_EXTERN_C_END
		629	#endif
		630
		631	/*****************************************************************************/
		632
		633	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
		634	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
		635
		636	#if ECB_NO_THREADS
		637	#define ECB_NO_SMP 1
		638	#endif
		639
		640	#if ECB_NO_SMP
		641	#define ECB_MEMORY_FENCE do { } while (0)
		642	#endif
		643
		644	#ifndef ECB_MEMORY_FENCE
		645	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		646	#if __i386 || __i386__
		647	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		648	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		649	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		650	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
		651	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		652	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		653	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		654	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		655	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		656	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		657	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		658	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		659	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		660	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		661	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		662	#elif __aarch64__
		663	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		664	#elif (__sparc || __sparc__) && !__sparcv8
		665	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		666	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		667	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		668	#elif defined __s390__ || defined __s390x__
		669	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		670	#elif defined __mips__
		671	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		672	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		673	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		674	#elif defined __alpha__
		675	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		676	#elif defined __hppa__
		677	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		678	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		679	#elif defined __ia64__
		680	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		681	#elif defined __m68k__
		682	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		683	#elif defined __m88k__
		684	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		685	#elif defined __sh__
		686	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		687	#endif
484	#endif	688	#endif
485	#endif	689	#endif
486		690
487	#if __cplusplus	691	#ifndef ECB_MEMORY_FENCE
		692	#if ECB_GCC_VERSION(4,7)
		693	/* see comment below (stdatomic.h) about the C11 memory model. */
		694	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		695	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		696	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		697
		698	#elif ECB_CLANG_EXTENSION(c_atomic)
		699	/* see comment below (stdatomic.h) about the C11 memory model. */
		700	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		701	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		702	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		703
		704	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
		705	#define ECB_MEMORY_FENCE __sync_synchronize ()
		706	#elif _MSC_VER >= 1500 /* VC++ 2008 */
		707	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		708	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		709	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		710	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		711	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
		712	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		713	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		714	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		715	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		716	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		717	#elif defined _WIN32
		718	#include <WinNT.h>
		719	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		720	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		721	#include <mbarrier.h>
		722	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		723	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		724	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		725	#elif __xlC__
		726	#define ECB_MEMORY_FENCE __sync ()
		727	#endif
		728	#endif
		729
		730	#ifndef ECB_MEMORY_FENCE
		731	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		732	/* we assume that these memory fences work on all variables/all memory accesses, */
		733	/* not just C11 atomics and atomic accesses */
		734	#include <stdatomic.h>
		735	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		736	/* any fence other than seq_cst, which isn't very efficient for us. */
		737	/* Why that is, we don't know - either the C11 memory model is quite useless */
		738	/* for most usages, or gcc and clang have a bug */
		739	/* I *currently* lean towards the latter, and inefficiently implement */
		740	/* all three of ecb's fences as a seq_cst fence */
		741	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		742	/* for all __atomic_thread_fence's except seq_cst */
		743	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		744	#endif
		745	#endif
		746
		747	#ifndef ECB_MEMORY_FENCE
		748	#if !ECB_AVOID_PTHREADS
		749	/*
		750	* if you get undefined symbol references to pthread_mutex_lock,
		751	* or failure to find pthread.h, then you should implement
		752	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		753	* OR provide pthread.h and link against the posix thread library
		754	* of your system.
		755	*/
		756	#include <pthread.h>
		757	#define ECB_NEEDS_PTHREADS 1
		758	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
		759
		760	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		761	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		762	#endif
		763	#endif
		764
		765	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
		766	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		767	#endif
		768
		769	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
		770	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		771	#endif
		772
		773	/*****************************************************************************/
		774
		775	#if ECB_CPP
488	#define ecb_inline static inline	776	#define ecb_inline static inline
489	#elif ECB_GCC_VERSION(2,5)	777	#elif ECB_GCC_VERSION(2,5)
490	#define ecb_inline static __inline__	778	#define ecb_inline static __inline__
491	#elif ECB_C99	779	#elif ECB_C99
492	#define ecb_inline static inline	780	#define ecb_inline static inline
493	#else	781	#else
494	#define ecb_inline static	782	#define ecb_inline static
495	#endif	783	#endif
496		784
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 && 0 /* TODO: only true when using volatiles */
517	#define ECB_MEMORY_FENCE do { } while (0)
518	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
519	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
520	#elif defined(_WIN32)
521	#include <WinNT.h>
522	#define ECB_MEMORY_FENCE MemoryBarrier ()
523	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
524	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
525	#endif
526	#endif
527
528	#ifndef ECB_MEMORY_FENCE
529	#include <pthread.h>
530
531	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
532	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
533	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
534	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
535	#endif
536
537	#if ECB_GCC_VERSION(3,1)	785	#if ECB_GCC_VERSION(3,3)
		786	#define ecb_restrict __restrict__
		787	#elif ECB_C99
		788	#define ecb_restrict restrict
		789	#else
		790	#define ecb_restrict
		791	#endif
		792
		793	typedef int ecb_bool;
		794
		795	#define ECB_CONCAT_(a, b) a ## b
		796	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
		797	#define ECB_STRINGIFY_(a) # a
		798	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		799
		800	#define ecb_function_ ecb_inline
		801
		802	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
538	#define ecb_attribute(attrlist) __attribute__(attrlist)	803	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		804	#else
		805	#define ecb_attribute(attrlist)
		806	#endif
		807
		808	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
539	#define ecb_is_constant(expr) __builtin_constant_p (expr)	809	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		810	#else
		811	/* possible C11 impl for integral types
		812	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		813	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		814
		815	#define ecb_is_constant(expr) 0
		816	#endif
		817
		818	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
540	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	819	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		820	#else
		821	#define ecb_expect(expr,value) (expr)
		822	#endif
		823
		824	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
541	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	825	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
542	#else	826	#else
543	#define ecb_attribute(attrlist)
544	#define ecb_is_constant(expr) 0
545	#define ecb_expect(expr,value) (expr)
546	#define ecb_prefetch(addr,rw,locality)	827	#define ecb_prefetch(addr,rw,locality)
547	#endif	828	#endif
548		829
		830	/* no emulation for ecb_decltype */
		831	#if ECB_CPP11
		832	// older implementations might have problems with decltype(x)::type, work around it
		833	template<class T> struct ecb_decltype_t { typedef T type; };
		834	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
		835	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
		836	#define ecb_decltype(x) __typeof__ (x)
		837	#endif
		838
		839	#if _MSC_VER >= 1300
		840	#define ecb_deprecated __declspec (deprecated)
		841	#else
		842	#define ecb_deprecated ecb_attribute ((__deprecated__))
		843	#endif
		844
549	#define ecb_noinline ecb_attribute ((__noinline__))	845	#define ecb_noinline ecb_attribute ((__noinline__))
550	#define ecb_noreturn ecb_attribute ((__noreturn__))
551	#define ecb_unused ecb_attribute ((__unused__))	846	#define ecb_unused ecb_attribute ((__unused__))
552	#define ecb_const ecb_attribute ((__const__))	847	#define ecb_const ecb_attribute ((__const__))
553	#define ecb_pure ecb_attribute ((__pure__))	848	#define ecb_pure ecb_attribute ((__pure__))
		849
		850	/* TODO http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */
		851	#if ECB_C11 || __IBMC_NORETURN
		852	/* http://pic.dhe.ibm.com/infocenter/compbg/v121v141/topic/com.ibm.xlcpp121.bg.doc/language_ref/noreturn.html */
		853	#define ecb_noreturn _Noreturn
		854	#else
		855	#define ecb_noreturn ecb_attribute ((__noreturn__))
		856	#endif
554		857
555	#if ECB_GCC_VERSION(4,3)	858	#if ECB_GCC_VERSION(4,3)
556	#define ecb_artificial ecb_attribute ((__artificial__))	859	#define ecb_artificial ecb_attribute ((__artificial__))
557	#define ecb_hot ecb_attribute ((__hot__))	860	#define ecb_hot ecb_attribute ((__hot__))
558	#define ecb_cold ecb_attribute ((__cold__))	861	#define ecb_cold ecb_attribute ((__cold__))
…		…
565	/* put around conditional expressions if you are very sure that the */	868	/* put around conditional expressions if you are very sure that the */
566	/* expression is mostly true or mostly false. note that these return */	869	/* expression is mostly true or mostly false. note that these return */
567	/* booleans, not the expression. */	870	/* booleans, not the expression. */
568	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)	871	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
569	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)	872	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
570	/* ecb.h end */	873	/* for compatibility to the rest of the world */
		874	#define ecb_likely(expr) ecb_expect_true (expr)
		875	#define ecb_unlikely(expr) ecb_expect_false (expr)
		876
		877	/* count trailing zero bits and count # of one bits */
		878	#if ECB_GCC_VERSION(3,4) \
		879	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		880	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		881	&& ECB_CLANG_BUILTIN(__builtin_popcount))
		882	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
		883	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
		884	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
		885	#define ecb_ctz32(x) __builtin_ctz (x)
		886	#define ecb_ctz64(x) __builtin_ctzll (x)
		887	#define ecb_popcount32(x) __builtin_popcount (x)
		888	/* no popcountll */
		889	#else
		890	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
		891	ecb_function_ ecb_const int
		892	ecb_ctz32 (uint32_t x)
		893	{
		894	int r = 0;
		895
		896	x &= ~x + 1; /* this isolates the lowest bit */
		897
		898	#if ECB_branchless_on_i386
		899	r += !!(x & 0xaaaaaaaa) << 0;
		900	r += !!(x & 0xcccccccc) << 1;
		901	r += !!(x & 0xf0f0f0f0) << 2;
		902	r += !!(x & 0xff00ff00) << 3;
		903	r += !!(x & 0xffff0000) << 4;
		904	#else
		905	if (x & 0xaaaaaaaa) r += 1;
		906	if (x & 0xcccccccc) r += 2;
		907	if (x & 0xf0f0f0f0) r += 4;
		908	if (x & 0xff00ff00) r += 8;
		909	if (x & 0xffff0000) r += 16;
		910	#endif
		911
		912	return r;
		913	}
		914
		915	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
		916	ecb_function_ ecb_const int
		917	ecb_ctz64 (uint64_t x)
		918	{
		919	int shift = x & 0xffffffffU ? 0 : 32;
		920	return ecb_ctz32 (x >> shift) + shift;
		921	}
		922
		923	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
		924	ecb_function_ ecb_const int
		925	ecb_popcount32 (uint32_t x)
		926	{
		927	x -= (x >> 1) & 0x55555555;
		928	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
		929	x = ((x >> 4) + x) & 0x0f0f0f0f;
		930	x *= 0x01010101;
		931
		932	return x >> 24;
		933	}
		934
		935	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
		936	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
		937	{
		938	int r = 0;
		939
		940	if (x >> 16) { x >>= 16; r += 16; }
		941	if (x >> 8) { x >>= 8; r += 8; }
		942	if (x >> 4) { x >>= 4; r += 4; }
		943	if (x >> 2) { x >>= 2; r += 2; }
		944	if (x >> 1) { r += 1; }
		945
		946	return r;
		947	}
		948
		949	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
		950	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
		951	{
		952	int r = 0;
		953
		954	if (x >> 32) { x >>= 32; r += 32; }
		955
		956	return r + ecb_ld32 (x);
		957	}
		958	#endif
		959
		960	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
		961	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		962	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
		963	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		964
		965	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
		966	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
		967	{
		968	return ( (x * 0x0802U & 0x22110U)
		969	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		970	}
		971
		972	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
		973	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
		974	{
		975	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		976	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		977	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		978	x = ( x >> 8 ) | ( x << 8);
		979
		980	return x;
		981	}
		982
		983	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
		984	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
		985	{
		986	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		987	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		988	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		989	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		990	x = ( x >> 16 ) | ( x << 16);
		991
		992	return x;
		993	}
		994
		995	/* popcount64 is only available on 64 bit cpus as gcc builtin */
		996	/* so for this version we are lazy */
		997	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
		998	ecb_function_ ecb_const int
		999	ecb_popcount64 (uint64_t x)
		1000	{
		1001	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
		1002	}
		1003
		1004	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
		1005	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
		1006	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
		1007	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
		1008	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
		1009	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
		1010	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
		1011	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
		1012
		1013	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
		1014	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
		1015	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
		1016	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
		1017	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
		1018	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
		1019	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
		1020	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
		1021
		1022	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1023	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1024	#define ecb_bswap32(x) __builtin_bswap32 (x)
		1025	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1026	#else
		1027	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
		1028	ecb_function_ ecb_const uint16_t
		1029	ecb_bswap16 (uint16_t x)
		1030	{
		1031	return ecb_rotl16 (x, 8);
		1032	}
		1033
		1034	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
		1035	ecb_function_ ecb_const uint32_t
		1036	ecb_bswap32 (uint32_t x)
		1037	{
		1038	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
		1039	}
		1040
		1041	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
		1042	ecb_function_ ecb_const uint64_t
		1043	ecb_bswap64 (uint64_t x)
		1044	{
		1045	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
		1046	}
		1047	#endif
		1048
		1049	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
		1050	#define ecb_unreachable() __builtin_unreachable ()
		1051	#else
		1052	/* this seems to work fine, but gcc always emits a warning for it :/ */
		1053	ecb_inline ecb_noreturn void ecb_unreachable (void);
		1054	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
		1055	#endif
		1056
		1057	/* try to tell the compiler that some condition is definitely true */
		1058	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
		1059
		1060	ecb_inline ecb_const unsigned char ecb_byteorder_helper (void);
		1061	ecb_inline ecb_const unsigned char
		1062	ecb_byteorder_helper (void)
		1063	{
		1064	/* the union code still generates code under pressure in gcc, */
		1065	/* but less than using pointers, and always seems to */
		1066	/* successfully return a constant. */
		1067	/* the reason why we have this horrible preprocessor mess */
		1068	/* is to avoid it in all cases, at least on common architectures */
		1069	/* or when using a recent enough gcc version (>= 4.6) */
		1070	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		1071	return 0x44;
		1072	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		1073	return 0x44;
		1074	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1075	return 0x11;
		1076	#else
		1077	union
		1078	{
		1079	uint32_t i;
		1080	uint8_t c;
		1081	} u = { 0x11223344 };
		1082	return u.c;
		1083	#endif
		1084	}
		1085
		1086	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
		1087	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
		1088	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
		1089	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
		1090
		1091	#if ECB_GCC_VERSION(3,0) || ECB_C99
		1092	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
		1093	#else
		1094	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1095	#endif
		1096
		1097	#if ECB_CPP
		1098	template<typename T>
		1099	static inline T ecb_div_rd (T val, T div)
		1100	{
		1101	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1102	}
		1103	template<typename T>
		1104	static inline T ecb_div_ru (T val, T div)
		1105	{
		1106	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1107	}
		1108	#else
		1109	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1110	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
		1111	#endif
		1112
		1113	#if ecb_cplusplus_does_not_suck
		1114	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
		1115	template<typename T, int N>
		1116	static inline int ecb_array_length (const T (&arr)[N])
		1117	{
		1118	return N;
		1119	}
		1120	#else
		1121	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
		1122	#endif
		1123
		1124	/*******************************************************************************/
		1125	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1126
		1127	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1128	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1129	#if 0 \
		1130	|| __i386 || __i386__ \
		1131	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1132	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1133	|| defined __s390__ || defined __s390x__ \
		1134	|| defined __mips__ \
		1135	|| defined __alpha__ \
		1136	|| defined __hppa__ \
		1137	|| defined __ia64__ \
		1138	|| defined __m68k__ \
		1139	|| defined __m88k__ \
		1140	|| defined __sh__ \
		1141	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \
		1142	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1143	|| defined __aarch64__
		1144	#define ECB_STDFP 1
		1145	#include <string.h> /* for memcpy */
		1146	#else
		1147	#define ECB_STDFP 0
		1148	#endif
		1149
		1150	#ifndef ECB_NO_LIBM
		1151
		1152	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1153
		1154	/* only the oldest of old doesn't have this one. solaris. */
		1155	#ifdef INFINITY
		1156	#define ECB_INFINITY INFINITY
		1157	#else
		1158	#define ECB_INFINITY HUGE_VAL
		1159	#endif
		1160
		1161	#ifdef NAN
		1162	#define ECB_NAN NAN
		1163	#else
		1164	#define ECB_NAN ECB_INFINITY
		1165	#endif
		1166
		1167	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1168	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1169	#else
		1170	#define ecb_ldexpf(x,e) (float) ldexp ((x), (e))
		1171	#endif
		1172
		1173	/* converts an ieee half/binary16 to a float */
		1174	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1175	ecb_function_ ecb_const float
		1176	ecb_binary16_to_float (uint16_t x)
		1177	{
		1178	int e = (x >> 10) & 0x1f;
		1179	int m = x & 0x3ff;
		1180	float r;
		1181
		1182	if (!e ) r = ecb_ldexpf (m , -24);
		1183	else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
		1184	else if (m ) r = ECB_NAN;
		1185	else r = ECB_INFINITY;
		1186
		1187	return x & 0x8000 ? -r : r;
		1188	}
		1189
		1190	/* convert a float to ieee single/binary32 */
		1191	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
		1192	ecb_function_ ecb_const uint32_t
		1193	ecb_float_to_binary32 (float x)
		1194	{
		1195	uint32_t r;
		1196
		1197	#if ECB_STDFP
		1198	memcpy (&r, &x, 4);
		1199	#else
		1200	/* slow emulation, works for anything but -0 */
		1201	uint32_t m;
		1202	int e;
		1203
		1204	if (x == 0e0f ) return 0x00000000U;
		1205	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1206	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1207	if (x != x ) return 0x7fbfffffU;
		1208
		1209	m = frexpf (x, &e) * 0x1000000U;
		1210
		1211	r = m & 0x80000000U;
		1212
		1213	if (r)
		1214	m = -m;
		1215
		1216	if (e <= -126)
		1217	{
		1218	m &= 0xffffffU;
		1219	m >>= (-125 - e);
		1220	e = -126;
		1221	}
		1222
		1223	r |= (e + 126) << 23;
		1224	r |= m & 0x7fffffU;
		1225	#endif
		1226
		1227	return r;
		1228	}
		1229
		1230	/* converts an ieee single/binary32 to a float */
		1231	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
		1232	ecb_function_ ecb_const float
		1233	ecb_binary32_to_float (uint32_t x)
		1234	{
		1235	float r;
		1236
		1237	#if ECB_STDFP
		1238	memcpy (&r, &x, 4);
		1239	#else
		1240	/* emulation, only works for normals and subnormals and +0 */
		1241	int neg = x >> 31;
		1242	int e = (x >> 23) & 0xffU;
		1243
		1244	x &= 0x7fffffU;
		1245
		1246	if (e)
		1247	x |= 0x800000U;
		1248	else
		1249	e = 1;
		1250
		1251	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1252	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
		1253
		1254	r = neg ? -r : r;
		1255	#endif
		1256
		1257	return r;
		1258	}
		1259
		1260	/* convert a double to ieee double/binary64 */
		1261	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
		1262	ecb_function_ ecb_const uint64_t
		1263	ecb_double_to_binary64 (double x)
		1264	{
		1265	uint64_t r;
		1266
		1267	#if ECB_STDFP
		1268	memcpy (&r, &x, 8);
		1269	#else
		1270	/* slow emulation, works for anything but -0 */
		1271	uint64_t m;
		1272	int e;
		1273
		1274	if (x == 0e0 ) return 0x0000000000000000U;
		1275	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1276	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1277	if (x != x ) return 0X7ff7ffffffffffffU;
		1278
		1279	m = frexp (x, &e) * 0x20000000000000U;
		1280
		1281	r = m & 0x8000000000000000;;
		1282
		1283	if (r)
		1284	m = -m;
		1285
		1286	if (e <= -1022)
		1287	{
		1288	m &= 0x1fffffffffffffU;
		1289	m >>= (-1021 - e);
		1290	e = -1022;
		1291	}
		1292
		1293	r |= ((uint64_t)(e + 1022)) << 52;
		1294	r |= m & 0xfffffffffffffU;
		1295	#endif
		1296
		1297	return r;
		1298	}
		1299
		1300	/* converts an ieee double/binary64 to a double */
		1301	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
		1302	ecb_function_ ecb_const double
		1303	ecb_binary64_to_double (uint64_t x)
		1304	{
		1305	double r;
		1306
		1307	#if ECB_STDFP
		1308	memcpy (&r, &x, 8);
		1309	#else
		1310	/* emulation, only works for normals and subnormals and +0 */
		1311	int neg = x >> 63;
		1312	int e = (x >> 52) & 0x7ffU;
		1313
		1314	x &= 0xfffffffffffffU;
		1315
		1316	if (e)
		1317	x |= 0x10000000000000U;
		1318	else
		1319	e = 1;
		1320
		1321	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1322	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1323
		1324	r = neg ? -r : r;
		1325	#endif
		1326
		1327	return r;
		1328	}
		1329
		1330	#endif
		1331
		1332	#endif
		1333
		1334	/* ECB.H END */
		1335
		1336	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1337	/* if your architecture doesn't need memory fences, e.g. because it is
		1338	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1339	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1340	* libev, in which cases the memory fences become nops.
		1341	* alternatively, you can remove this #error and link against libpthread,
		1342	* which will then provide the memory fences.
		1343	*/
		1344	# error "memory fences not defined for your architecture, please report"
		1345	#endif
		1346
		1347	#ifndef ECB_MEMORY_FENCE
		1348	# define ECB_MEMORY_FENCE do { } while (0)
		1349	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1350	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		1351	#endif
571		1352
572	#define expect_false(cond) ecb_expect_false (cond)	1353	#define expect_false(cond) ecb_expect_false (cond)
573	#define expect_true(cond) ecb_expect_true (cond)	1354	#define expect_true(cond) ecb_expect_true (cond)
574	#define noinline ecb_noinline	1355	#define noinline ecb_noinline
575		1356
…		…
721	{	1502	{
722	write (STDERR_FILENO, msg, strlen (msg));	1503	write (STDERR_FILENO, msg, strlen (msg));
723	}	1504	}
724	#endif	1505	#endif
725		1506
726	static void (*syserr_cb)(const char *msg);	1507	static void (*syserr_cb)(const char *msg) EV_THROW;
727		1508
728	void ecb_cold	1509	void ecb_cold
729	ev_set_syserr_cb (void (*cb)(const char *msg))	1510	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
730	{	1511	{
731	syserr_cb = cb;	1512	syserr_cb = cb;
732	}	1513	}
733		1514
734	static void noinline ecb_cold	1515	static void noinline ecb_cold
…		…
752	abort ();	1533	abort ();
753	}	1534	}
754	}	1535	}
755		1536
756	static void *	1537	static void *
757	ev_realloc_emul (void *ptr, long size)	1538	ev_realloc_emul (void *ptr, long size) EV_THROW
758	{	1539	{
759	#if __GLIBC__
760	return realloc (ptr, size);
761	#else
762	/* some systems, notably openbsd and darwin, fail to properly	1540	/* some systems, notably openbsd and darwin, fail to properly
763	* implement realloc (x, 0) (as required by both ansi c-89 and	1541	* implement realloc (x, 0) (as required by both ansi c-89 and
764	* the single unix specification, so work around them here.	1542	* the single unix specification, so work around them here.
		1543	* recently, also (at least) fedora and debian started breaking it,
		1544	* despite documenting it otherwise.
765	*/	1545	*/
766		1546
767	if (size)	1547	if (size)
768	return realloc (ptr, size);	1548	return realloc (ptr, size);
769		1549
770	free (ptr);	1550	free (ptr);
771	return 0;	1551	return 0;
772	#endif
773	}	1552	}
774		1553
775	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1554	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
776		1555
777	void ecb_cold	1556	void ecb_cold
778	ev_set_allocator (void *(*cb)(void *ptr, long size))	1557	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
779	{	1558	{
780	alloc = cb;	1559	alloc = cb;
781	}	1560	}
782		1561
783	inline_speed void *	1562	inline_speed void *
…		…
871	#undef VAR	1650	#undef VAR
872	};	1651	};
873	#include "ev_wrap.h"	1652	#include "ev_wrap.h"
874		1653
875	static struct ev_loop default_loop_struct;	1654	static struct ev_loop default_loop_struct;
876	struct ev_loop *ev_default_loop_ptr;	1655	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
877		1656
878	#else	1657	#else
879		1658
880	ev_tstamp ev_rt_now;	1659	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
881	#define VAR(name,decl) static decl;	1660	#define VAR(name,decl) static decl;
882	#include "ev_vars.h"	1661	#include "ev_vars.h"
883	#undef VAR	1662	#undef VAR
884		1663
885	static int ev_default_loop_ptr;	1664	static int ev_default_loop_ptr;
…		…
900		1679
901	/*****************************************************************************/	1680	/*****************************************************************************/
902		1681
903	#ifndef EV_HAVE_EV_TIME	1682	#ifndef EV_HAVE_EV_TIME
904	ev_tstamp	1683	ev_tstamp
905	ev_time (void)	1684	ev_time (void) EV_THROW
906	{	1685	{
907	#if EV_USE_REALTIME	1686	#if EV_USE_REALTIME
908	if (expect_true (have_realtime))	1687	if (expect_true (have_realtime))
909	{	1688	{
910	struct timespec ts;	1689	struct timespec ts;
…		…
934	return ev_time ();	1713	return ev_time ();
935	}	1714	}
936		1715
937	#if EV_MULTIPLICITY	1716	#if EV_MULTIPLICITY
938	ev_tstamp	1717	ev_tstamp
939	ev_now (EV_P)	1718	ev_now (EV_P) EV_THROW
940	{	1719	{
941	return ev_rt_now;	1720	return ev_rt_now;
942	}	1721	}
943	#endif	1722	#endif
944		1723
945	void	1724	void
946	ev_sleep (ev_tstamp delay)	1725	ev_sleep (ev_tstamp delay) EV_THROW
947	{	1726	{
948	if (delay > 0.)	1727	if (delay > 0.)
949	{	1728	{
950	#if EV_USE_NANOSLEEP	1729	#if EV_USE_NANOSLEEP
951	struct timespec ts;	1730	struct timespec ts;
952		1731
953	EV_TS_SET (ts, delay);	1732	EV_TS_SET (ts, delay);
954	nanosleep (&ts, 0);	1733	nanosleep (&ts, 0);
955	#elif defined(_WIN32)	1734	#elif defined _WIN32
956	Sleep ((unsigned long)(delay * 1e3));	1735	Sleep ((unsigned long)(delay * 1e3));
957	#else	1736	#else
958	struct timeval tv;	1737	struct timeval tv;
959		1738
960	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1739	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
979		1758
980	do	1759	do
981	ncur <<= 1;	1760	ncur <<= 1;
982	while (cnt > ncur);	1761	while (cnt > ncur);
983		1762
984	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1763	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
985	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1764	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
986	{	1765	{
987	ncur *= elem;	1766	ncur *= elem;
988	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1767	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
989	ncur = ncur - sizeof (void *) * 4;	1768	ncur = ncur - sizeof (void *) * 4;
…		…
1032	pendingcb (EV_P_ ev_prepare *w, int revents)	1811	pendingcb (EV_P_ ev_prepare *w, int revents)
1033	{	1812	{
1034	}	1813	}
1035		1814
1036	void noinline	1815	void noinline
1037	ev_feed_event (EV_P_ void *w, int revents)	1816	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1038	{	1817	{
1039	W w_ = (W)w;	1818	W w_ = (W)w;
1040	int pri = ABSPRI (w_);	1819	int pri = ABSPRI (w_);
1041		1820
1042	if (expect_false (w_->pending))	1821	if (expect_false (w_->pending))
…		…
1046	w_->pending = ++pendingcnt [pri];	1825	w_->pending = ++pendingcnt [pri];
1047	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1826	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1048	pendings [pri][w_->pending - 1].w = w_;	1827	pendings [pri][w_->pending - 1].w = w_;
1049	pendings [pri][w_->pending - 1].events = revents;	1828	pendings [pri][w_->pending - 1].events = revents;
1050	}	1829	}
		1830
		1831	pendingpri = NUMPRI - 1;
1051	}	1832	}
1052		1833
1053	inline_speed void	1834	inline_speed void
1054	feed_reverse (EV_P_ W w)	1835	feed_reverse (EV_P_ W w)
1055	{	1836	{
…		…
1101	if (expect_true (!anfd->reify))	1882	if (expect_true (!anfd->reify))
1102	fd_event_nocheck (EV_A_ fd, revents);	1883	fd_event_nocheck (EV_A_ fd, revents);
1103	}	1884	}
1104		1885
1105	void	1886	void
1106	ev_feed_fd_event (EV_P_ int fd, int revents)	1887	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1107	{	1888	{
1108	if (fd >= 0 && fd < anfdmax)	1889	if (fd >= 0 && fd < anfdmax)
1109	fd_event_nocheck (EV_A_ fd, revents);	1890	fd_event_nocheck (EV_A_ fd, revents);
1110	}	1891	}
1111		1892
…		…
1430	static void noinline ecb_cold	2211	static void noinline ecb_cold
1431	evpipe_init (EV_P)	2212	evpipe_init (EV_P)
1432	{	2213	{
1433	if (!ev_is_active (&pipe_w))	2214	if (!ev_is_active (&pipe_w))
1434	{	2215	{
		2216	int fds [2];
		2217
1435	# if EV_USE_EVENTFD	2218	# if EV_USE_EVENTFD
		2219	fds [0] = -1;
1436	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2220	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1437	if (evfd < 0 && errno == EINVAL)	2221	if (fds [1] < 0 && errno == EINVAL)
1438	evfd = eventfd (0, 0);	2222	fds [1] = eventfd (0, 0);
1439		2223
1440	if (evfd >= 0)	2224	if (fds [1] < 0)
		2225	# endif
1441	{	2226	{
		2227	while (pipe (fds))
		2228	ev_syserr ("(libev) error creating signal/async pipe");
		2229
		2230	fd_intern (fds [0]);
		2231	}
		2232
1442	evpipe [0] = -1;	2233	evpipe [0] = fds [0];
1443	fd_intern (evfd); /* doing it twice doesn't hurt */	2234
1444	ev_io_set (&pipe_w, evfd, EV_READ);	2235	if (evpipe [1] < 0)
		2236	evpipe [1] = fds [1]; /* first call, set write fd */
		2237	else
		2238	{
		2239	/* on subsequent calls, do not change evpipe [1] */
		2240	/* so that evpipe_write can always rely on its value. */
		2241	/* this branch does not do anything sensible on windows, */
		2242	/* so must not be executed on windows */
		2243
		2244	dup2 (fds [1], evpipe [1]);
		2245	close (fds [1]);
		2246	}
		2247
		2248	fd_intern (evpipe [1]);
		2249
		2250	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2251	ev_io_start (EV_A_ &pipe_w);
		2252	ev_unref (EV_A); /* watcher should not keep loop alive */
		2253	}
		2254	}
		2255
		2256	inline_speed void
		2257	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2258	{
		2259	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2260
		2261	if (expect_true (*flag))
		2262	return;
		2263
		2264	*flag = 1;
		2265	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2266
		2267	pipe_write_skipped = 1;
		2268
		2269	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2270
		2271	if (pipe_write_wanted)
		2272	{
		2273	int old_errno;
		2274
		2275	pipe_write_skipped = 0;
		2276	ECB_MEMORY_FENCE_RELEASE;
		2277
		2278	old_errno = errno; /* save errno because write will clobber it */
		2279
		2280	#if EV_USE_EVENTFD
		2281	if (evpipe [0] < 0)
		2282	{
		2283	uint64_t counter = 1;
		2284	write (evpipe [1], &counter, sizeof (uint64_t));
1445	}	2285	}
1446	else	2286	else
1447	# endif	2287	#endif
1448	{	2288	{
1449	while (pipe (evpipe))	2289	#ifdef _WIN32
1450	ev_syserr ("(libev) error creating signal/async pipe");	2290	WSABUF buf;
1451		2291	DWORD sent;
1452	fd_intern (evpipe [0]);	2292	buf.buf = &buf;
1453	fd_intern (evpipe [1]);	2293	buf.len = 1;
1454	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2294	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1455	}	2295	#else
1456
1457	ev_io_start (EV_A_ &pipe_w);
1458	ev_unref (EV_A); /* watcher should not keep loop alive */
1459	}
1460	}
1461
1462	inline_speed void
1463	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1464	{
1465	if (expect_true (*flag))
1466	return;
1467
1468	*flag = 1;
1469
1470	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1471
1472	pipe_write_skipped = 1;
1473
1474	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1475
1476	if (pipe_write_wanted)
1477	{
1478	int old_errno;
1479
1480	pipe_write_skipped = 0; /* just an optimsiation, no fence needed */
1481
1482	old_errno = errno; /* save errno because write will clobber it */
1483
1484	#if EV_USE_EVENTFD
1485	if (evfd >= 0)
1486	{
1487	uint64_t counter = 1;
1488	write (evfd, &counter, sizeof (uint64_t));
1489	}
1490	else
1491	#endif
1492	{
1493	/* win32 people keep sending patches that change this write() to send() */
1494	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1495	/* so when you think this write should be a send instead, please find out */
1496	/* where your send() is from - it's definitely not the microsoft send, and */
1497	/* tell me. thank you. */
1498	write (evpipe [1], &(evpipe [1]), 1);	2296	write (evpipe [1], &(evpipe [1]), 1);
		2297	#endif
1499	}	2298	}
1500		2299
1501	errno = old_errno;	2300	errno = old_errno;
1502	}	2301	}
1503	}	2302	}
…		…
1510	int i;	2309	int i;
1511		2310
1512	if (revents & EV_READ)	2311	if (revents & EV_READ)
1513	{	2312	{
1514	#if EV_USE_EVENTFD	2313	#if EV_USE_EVENTFD
1515	if (evfd >= 0)	2314	if (evpipe [0] < 0)
1516	{	2315	{
1517	uint64_t counter;	2316	uint64_t counter;
1518	read (evfd, &counter, sizeof (uint64_t));	2317	read (evpipe [1], &counter, sizeof (uint64_t));
1519	}	2318	}
1520	else	2319	else
1521	#endif	2320	#endif
1522	{	2321	{
1523	char dummy;	2322	char dummy[4];
1524	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2323	#ifdef _WIN32
		2324	WSABUF buf;
		2325	DWORD recvd;
		2326	DWORD flags = 0;
		2327	buf.buf = dummy;
		2328	buf.len = sizeof (dummy);
		2329	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2330	#else
1525	read (evpipe [0], &dummy, 1);	2331	read (evpipe [0], &dummy, sizeof (dummy));
		2332	#endif
1526	}	2333	}
1527	}	2334	}
1528		2335
1529	pipe_write_skipped = 0;	2336	pipe_write_skipped = 0;
		2337
		2338	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1530		2339
1531	#if EV_SIGNAL_ENABLE	2340	#if EV_SIGNAL_ENABLE
1532	if (sig_pending)	2341	if (sig_pending)
1533	{	2342	{
1534	sig_pending = 0;	2343	sig_pending = 0;
		2344
		2345	ECB_MEMORY_FENCE;
1535		2346
1536	for (i = EV_NSIG - 1; i--; )	2347	for (i = EV_NSIG - 1; i--; )
1537	if (expect_false (signals [i].pending))	2348	if (expect_false (signals [i].pending))
1538	ev_feed_signal_event (EV_A_ i + 1);	2349	ev_feed_signal_event (EV_A_ i + 1);
1539	}	2350	}
…		…
1541		2352
1542	#if EV_ASYNC_ENABLE	2353	#if EV_ASYNC_ENABLE
1543	if (async_pending)	2354	if (async_pending)
1544	{	2355	{
1545	async_pending = 0;	2356	async_pending = 0;
		2357
		2358	ECB_MEMORY_FENCE;
1546		2359
1547	for (i = asynccnt; i--; )	2360	for (i = asynccnt; i--; )
1548	if (asyncs [i]->sent)	2361	if (asyncs [i]->sent)
1549	{	2362	{
1550	asyncs [i]->sent = 0;	2363	asyncs [i]->sent = 0;
		2364	ECB_MEMORY_FENCE_RELEASE;
1551	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2365	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1552	}	2366	}
1553	}	2367	}
1554	#endif	2368	#endif
1555	}	2369	}
1556		2370
1557	/*****************************************************************************/	2371	/*****************************************************************************/
1558		2372
1559	void	2373	void
1560	ev_feed_signal (int signum)	2374	ev_feed_signal (int signum) EV_THROW
1561	{	2375	{
1562	#if EV_MULTIPLICITY	2376	#if EV_MULTIPLICITY
		2377	EV_P;
		2378	ECB_MEMORY_FENCE_ACQUIRE;
1563	EV_P = signals [signum - 1].loop;	2379	EV_A = signals [signum - 1].loop;
1564		2380
1565	if (!EV_A)	2381	if (!EV_A)
1566	return;	2382	return;
1567	#endif	2383	#endif
1568		2384
1569	if (!ev_active (&pipe_w))
1570	return;
1571
1572	signals [signum - 1].pending = 1;	2385	signals [signum - 1].pending = 1;
1573	evpipe_write (EV_A_ &sig_pending);	2386	evpipe_write (EV_A_ &sig_pending);
1574	}	2387	}
1575		2388
1576	static void	2389	static void
…		…
1582		2395
1583	ev_feed_signal (signum);	2396	ev_feed_signal (signum);
1584	}	2397	}
1585		2398
1586	void noinline	2399	void noinline
1587	ev_feed_signal_event (EV_P_ int signum)	2400	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1588	{	2401	{
1589	WL w;	2402	WL w;
1590		2403
1591	if (expect_false (signum <= 0 || signum > EV_NSIG))	2404	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1592	return;	2405	return;
1593		2406
1594	--signum;	2407	--signum;
1595		2408
1596	#if EV_MULTIPLICITY	2409	#if EV_MULTIPLICITY
…		…
1600	if (expect_false (signals [signum].loop != EV_A))	2413	if (expect_false (signals [signum].loop != EV_A))
1601	return;	2414	return;
1602	#endif	2415	#endif
1603		2416
1604	signals [signum].pending = 0;	2417	signals [signum].pending = 0;
		2418	ECB_MEMORY_FENCE_RELEASE;
1605		2419
1606	for (w = signals [signum].head; w; w = w->next)	2420	for (w = signals [signum].head; w; w = w->next)
1607	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2421	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1608	}	2422	}
1609		2423
…		…
1708	#if EV_USE_SELECT	2522	#if EV_USE_SELECT
1709	# include "ev_select.c"	2523	# include "ev_select.c"
1710	#endif	2524	#endif
1711		2525
1712	int ecb_cold	2526	int ecb_cold
1713	ev_version_major (void)	2527	ev_version_major (void) EV_THROW
1714	{	2528	{
1715	return EV_VERSION_MAJOR;	2529	return EV_VERSION_MAJOR;
1716	}	2530	}
1717		2531
1718	int ecb_cold	2532	int ecb_cold
1719	ev_version_minor (void)	2533	ev_version_minor (void) EV_THROW
1720	{	2534	{
1721	return EV_VERSION_MINOR;	2535	return EV_VERSION_MINOR;
1722	}	2536	}
1723		2537
1724	/* return true if we are running with elevated privileges and should ignore env variables */	2538	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
1732	|| getgid () != getegid ();	2546	|| getgid () != getegid ();
1733	#endif	2547	#endif
1734	}	2548	}
1735		2549
1736	unsigned int ecb_cold	2550	unsigned int ecb_cold
1737	ev_supported_backends (void)	2551	ev_supported_backends (void) EV_THROW
1738	{	2552	{
1739	unsigned int flags = 0;	2553	unsigned int flags = 0;
1740		2554
1741	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2555	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1742	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2556	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
1746		2560
1747	return flags;	2561	return flags;
1748	}	2562	}
1749		2563
1750	unsigned int ecb_cold	2564	unsigned int ecb_cold
1751	ev_recommended_backends (void)	2565	ev_recommended_backends (void) EV_THROW
1752	{	2566	{
1753	unsigned int flags = ev_supported_backends ();	2567	unsigned int flags = ev_supported_backends ();
1754		2568
1755	#ifndef __NetBSD__	2569	#ifndef __NetBSD__
1756	/* kqueue is borked on everything but netbsd apparently */	2570	/* kqueue is borked on everything but netbsd apparently */
…		…
1768		2582
1769	return flags;	2583	return flags;
1770	}	2584	}
1771		2585
1772	unsigned int ecb_cold	2586	unsigned int ecb_cold
1773	ev_embeddable_backends (void)	2587	ev_embeddable_backends (void) EV_THROW
1774	{	2588	{
1775	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2589	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1776		2590
1777	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2591	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1778	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2592	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
1780		2594
1781	return flags;	2595	return flags;
1782	}	2596	}
1783		2597
1784	unsigned int	2598	unsigned int
1785	ev_backend (EV_P)	2599	ev_backend (EV_P) EV_THROW
1786	{	2600	{
1787	return backend;	2601	return backend;
1788	}	2602	}
1789		2603
1790	#if EV_FEATURE_API	2604	#if EV_FEATURE_API
1791	unsigned int	2605	unsigned int
1792	ev_iteration (EV_P)	2606	ev_iteration (EV_P) EV_THROW
1793	{	2607	{
1794	return loop_count;	2608	return loop_count;
1795	}	2609	}
1796		2610
1797	unsigned int	2611	unsigned int
1798	ev_depth (EV_P)	2612	ev_depth (EV_P) EV_THROW
1799	{	2613	{
1800	return loop_depth;	2614	return loop_depth;
1801	}	2615	}
1802		2616
1803	void	2617	void
1804	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2618	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1805	{	2619	{
1806	io_blocktime = interval;	2620	io_blocktime = interval;
1807	}	2621	}
1808		2622
1809	void	2623	void
1810	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2624	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1811	{	2625	{
1812	timeout_blocktime = interval;	2626	timeout_blocktime = interval;
1813	}	2627	}
1814		2628
1815	void	2629	void
1816	ev_set_userdata (EV_P_ void *data)	2630	ev_set_userdata (EV_P_ void *data) EV_THROW
1817	{	2631	{
1818	userdata = data;	2632	userdata = data;
1819	}	2633	}
1820		2634
1821	void *	2635	void *
1822	ev_userdata (EV_P)	2636	ev_userdata (EV_P) EV_THROW
1823	{	2637	{
1824	return userdata;	2638	return userdata;
1825	}	2639	}
1826		2640
1827	void	2641	void
1828	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2642	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
1829	{	2643	{
1830	invoke_cb = invoke_pending_cb;	2644	invoke_cb = invoke_pending_cb;
1831	}	2645	}
1832		2646
1833	void	2647	void
1834	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2648	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
1835	{	2649	{
1836	release_cb = release;	2650	release_cb = release;
1837	acquire_cb = acquire;	2651	acquire_cb = acquire;
1838	}	2652	}
1839	#endif	2653	#endif
1840		2654
1841	/* initialise a loop structure, must be zero-initialised */	2655	/* initialise a loop structure, must be zero-initialised */
1842	static void noinline ecb_cold	2656	static void noinline ecb_cold
1843	loop_init (EV_P_ unsigned int flags)	2657	loop_init (EV_P_ unsigned int flags) EV_THROW
1844	{	2658	{
1845	if (!backend)	2659	if (!backend)
1846	{	2660	{
1847	origflags = flags;	2661	origflags = flags;
1848		2662
…		…
1893	#if EV_ASYNC_ENABLE	2707	#if EV_ASYNC_ENABLE
1894	async_pending = 0;	2708	async_pending = 0;
1895	#endif	2709	#endif
1896	pipe_write_skipped = 0;	2710	pipe_write_skipped = 0;
1897	pipe_write_wanted = 0;	2711	pipe_write_wanted = 0;
		2712	evpipe [0] = -1;
		2713	evpipe [1] = -1;
1898	#if EV_USE_INOTIFY	2714	#if EV_USE_INOTIFY
1899	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2715	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1900	#endif	2716	#endif
1901	#if EV_USE_SIGNALFD	2717	#if EV_USE_SIGNALFD
1902	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2718	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
1953	EV_INVOKE_PENDING;	2769	EV_INVOKE_PENDING;
1954	}	2770	}
1955	#endif	2771	#endif
1956		2772
1957	#if EV_CHILD_ENABLE	2773	#if EV_CHILD_ENABLE
1958	if (ev_is_active (&childev))	2774	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1959	{	2775	{
1960	ev_ref (EV_A); /* child watcher */	2776	ev_ref (EV_A); /* child watcher */
1961	ev_signal_stop (EV_A_ &childev);	2777	ev_signal_stop (EV_A_ &childev);
1962	}	2778	}
1963	#endif	2779	#endif
…		…
1965	if (ev_is_active (&pipe_w))	2781	if (ev_is_active (&pipe_w))
1966	{	2782	{
1967	/*ev_ref (EV_A);*/	2783	/*ev_ref (EV_A);*/
1968	/*ev_io_stop (EV_A_ &pipe_w);*/	2784	/*ev_io_stop (EV_A_ &pipe_w);*/
1969		2785
1970	#if EV_USE_EVENTFD
1971	if (evfd >= 0)
1972	close (evfd);
1973	#endif
1974
1975	if (evpipe [0] >= 0)
1976	{
1977	EV_WIN32_CLOSE_FD (evpipe [0]);	2786	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1978	EV_WIN32_CLOSE_FD (evpipe [1]);	2787	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1979	}
1980	}	2788	}
1981		2789
1982	#if EV_USE_SIGNALFD	2790	#if EV_USE_SIGNALFD
1983	if (ev_is_active (&sigfd_w))	2791	if (ev_is_active (&sigfd_w))
1984	close (sigfd);	2792	close (sigfd);
…		…
2070	#endif	2878	#endif
2071	#if EV_USE_INOTIFY	2879	#if EV_USE_INOTIFY
2072	infy_fork (EV_A);	2880	infy_fork (EV_A);
2073	#endif	2881	#endif
2074		2882
		2883	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2075	if (ev_is_active (&pipe_w))	2884	if (ev_is_active (&pipe_w))
2076	{	2885	{
2077	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2886	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2078		2887
2079	ev_ref (EV_A);	2888	ev_ref (EV_A);
2080	ev_io_stop (EV_A_ &pipe_w);	2889	ev_io_stop (EV_A_ &pipe_w);
2081		2890
2082	#if EV_USE_EVENTFD
2083	if (evfd >= 0)
2084	close (evfd);
2085	#endif
2086
2087	if (evpipe [0] >= 0)	2891	if (evpipe [0] >= 0)
2088	{
2089	EV_WIN32_CLOSE_FD (evpipe [0]);	2892	EV_WIN32_CLOSE_FD (evpipe [0]);
2090	EV_WIN32_CLOSE_FD (evpipe [1]);
2091	}
2092		2893
2093	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2094	evpipe_init (EV_A);	2894	evpipe_init (EV_A);
2095	/* now iterate over everything, in case we missed something */	2895	/* iterate over everything, in case we missed something before */
2096	pipecb (EV_A_ &pipe_w, EV_READ);	2896	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2097	#endif
2098	}	2897	}
		2898	#endif
2099		2899
2100	postfork = 0;	2900	postfork = 0;
2101	}	2901	}
2102		2902
2103	#if EV_MULTIPLICITY	2903	#if EV_MULTIPLICITY
2104		2904
2105	struct ev_loop * ecb_cold	2905	struct ev_loop * ecb_cold
2106	ev_loop_new (unsigned int flags)	2906	ev_loop_new (unsigned int flags) EV_THROW
2107	{	2907	{
2108	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2908	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2109		2909
2110	memset (EV_A, 0, sizeof (struct ev_loop));	2910	memset (EV_A, 0, sizeof (struct ev_loop));
2111	loop_init (EV_A_ flags);	2911	loop_init (EV_A_ flags);
…		…
2155	}	2955	}
2156	#endif	2956	#endif
2157		2957
2158	#if EV_FEATURE_API	2958	#if EV_FEATURE_API
2159	void ecb_cold	2959	void ecb_cold
2160	ev_verify (EV_P)	2960	ev_verify (EV_P) EV_THROW
2161	{	2961	{
2162	#if EV_VERIFY	2962	#if EV_VERIFY
2163	int i;	2963	int i;
2164	WL w;	2964	WL w, w2;
2165		2965
2166	assert (activecnt >= -1);	2966	assert (activecnt >= -1);
2167		2967
2168	assert (fdchangemax >= fdchangecnt);	2968	assert (fdchangemax >= fdchangecnt);
2169	for (i = 0; i < fdchangecnt; ++i)	2969	for (i = 0; i < fdchangecnt; ++i)
2170	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2970	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2171		2971
2172	assert (anfdmax >= 0);	2972	assert (anfdmax >= 0);
2173	for (i = 0; i < anfdmax; ++i)	2973	for (i = 0; i < anfdmax; ++i)
		2974	{
		2975	int j = 0;
		2976
2174	for (w = anfds [i].head; w; w = w->next)	2977	for (w = w2 = anfds [i].head; w; w = w->next)
2175	{	2978	{
2176	verify_watcher (EV_A_ (W)w);	2979	verify_watcher (EV_A_ (W)w);
		2980
		2981	if (j++ & 1)
		2982	{
		2983	assert (("libev: io watcher list contains a loop", w != w2));
		2984	w2 = w2->next;
		2985	}
		2986
2177	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2987	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2178	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2988	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2179	}	2989	}
		2990	}
2180		2991
2181	assert (timermax >= timercnt);	2992	assert (timermax >= timercnt);
2182	verify_heap (EV_A_ timers, timercnt);	2993	verify_heap (EV_A_ timers, timercnt);
2183		2994
2184	#if EV_PERIODIC_ENABLE	2995	#if EV_PERIODIC_ENABLE
…		…
2234	#if EV_MULTIPLICITY	3045	#if EV_MULTIPLICITY
2235	struct ev_loop * ecb_cold	3046	struct ev_loop * ecb_cold
2236	#else	3047	#else
2237	int	3048	int
2238	#endif	3049	#endif
2239	ev_default_loop (unsigned int flags)	3050	ev_default_loop (unsigned int flags) EV_THROW
2240	{	3051	{
2241	if (!ev_default_loop_ptr)	3052	if (!ev_default_loop_ptr)
2242	{	3053	{
2243	#if EV_MULTIPLICITY	3054	#if EV_MULTIPLICITY
2244	EV_P = ev_default_loop_ptr = &default_loop_struct;	3055	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2263		3074
2264	return ev_default_loop_ptr;	3075	return ev_default_loop_ptr;
2265	}	3076	}
2266		3077
2267	void	3078	void
2268	ev_loop_fork (EV_P)	3079	ev_loop_fork (EV_P) EV_THROW
2269	{	3080	{
2270	postfork = 1; /* must be in line with ev_default_fork */	3081	postfork = 1;
2271	}	3082	}
2272		3083
2273	/*****************************************************************************/	3084	/*****************************************************************************/
2274		3085
2275	void	3086	void
…		…
2277	{	3088	{
2278	EV_CB_INVOKE ((W)w, revents);	3089	EV_CB_INVOKE ((W)w, revents);
2279	}	3090	}
2280		3091
2281	unsigned int	3092	unsigned int
2282	ev_pending_count (EV_P)	3093	ev_pending_count (EV_P) EV_THROW
2283	{	3094	{
2284	int pri;	3095	int pri;
2285	unsigned int count = 0;	3096	unsigned int count = 0;
2286		3097
2287	for (pri = NUMPRI; pri--; )	3098	for (pri = NUMPRI; pri--; )
…		…
2291	}	3102	}
2292		3103
2293	void noinline	3104	void noinline
2294	ev_invoke_pending (EV_P)	3105	ev_invoke_pending (EV_P)
2295	{	3106	{
2296	int pri;	3107	pendingpri = NUMPRI;
2297		3108
2298	for (pri = NUMPRI; pri--; )	3109	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3110	{
		3111	--pendingpri;
		3112
2299	while (pendingcnt [pri])	3113	while (pendingcnt [pendingpri])
2300	{	3114	{
2301	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3115	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2302		3116
2303	p->w->pending = 0;	3117	p->w->pending = 0;
2304	EV_CB_INVOKE (p->w, p->events);	3118	EV_CB_INVOKE (p->w, p->events);
2305	EV_FREQUENT_CHECK;	3119	EV_FREQUENT_CHECK;
2306	}	3120	}
		3121	}
2307	}	3122	}
2308		3123
2309	#if EV_IDLE_ENABLE	3124	#if EV_IDLE_ENABLE
2310	/* make idle watchers pending. this handles the "call-idle */	3125	/* make idle watchers pending. this handles the "call-idle */
2311	/* only when higher priorities are idle" logic */	3126	/* only when higher priorities are idle" logic */
…		…
2401	{	3216	{
2402	EV_FREQUENT_CHECK;	3217	EV_FREQUENT_CHECK;
2403		3218
2404	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3219	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2405	{	3220	{
2406	int feed_count = 0;
2407
2408	do	3221	do
2409	{	3222	{
2410	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3223	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2411		3224
2412	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3225	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2546		3359
2547	mn_now = ev_rt_now;	3360	mn_now = ev_rt_now;
2548	}	3361	}
2549	}	3362	}
2550		3363
2551	void	3364	int
2552	ev_run (EV_P_ int flags)	3365	ev_run (EV_P_ int flags)
2553	{	3366	{
2554	#if EV_FEATURE_API	3367	#if EV_FEATURE_API
2555	++loop_depth;	3368	++loop_depth;
2556	#endif	3369	#endif
…		…
2617	time_update (EV_A_ 1e100);	3430	time_update (EV_A_ 1e100);
2618		3431
2619	/* from now on, we want a pipe-wake-up */	3432	/* from now on, we want a pipe-wake-up */
2620	pipe_write_wanted = 1;	3433	pipe_write_wanted = 1;
2621		3434
2622	ECB_MEMORY_FENCE; /* amke sure pipe_write_wanted is visible before we check for potential skips */	3435	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
2623		3436
2624	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3437	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2625	{	3438	{
2626	waittime = MAX_BLOCKTIME;	3439	waittime = MAX_BLOCKTIME;
2627		3440
…		…
2669	#endif	3482	#endif
2670	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3483	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2671	backend_poll (EV_A_ waittime);	3484	backend_poll (EV_A_ waittime);
2672	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3485	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2673		3486
2674	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3487	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2675		3488
		3489	ECB_MEMORY_FENCE_ACQUIRE;
2676	if (pipe_write_skipped)	3490	if (pipe_write_skipped)
2677	{	3491	{
2678	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3492	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2679	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3493	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2680	}	3494	}
…		…
2713	loop_done = EVBREAK_CANCEL;	3527	loop_done = EVBREAK_CANCEL;
2714		3528
2715	#if EV_FEATURE_API	3529	#if EV_FEATURE_API
2716	--loop_depth;	3530	--loop_depth;
2717	#endif	3531	#endif
		3532
		3533	return activecnt;
2718	}	3534	}
2719		3535
2720	void	3536	void
2721	ev_break (EV_P_ int how)	3537	ev_break (EV_P_ int how) EV_THROW
2722	{	3538	{
2723	loop_done = how;	3539	loop_done = how;
2724	}	3540	}
2725		3541
2726	void	3542	void
2727	ev_ref (EV_P)	3543	ev_ref (EV_P) EV_THROW
2728	{	3544	{
2729	++activecnt;	3545	++activecnt;
2730	}	3546	}
2731		3547
2732	void	3548	void
2733	ev_unref (EV_P)	3549	ev_unref (EV_P) EV_THROW
2734	{	3550	{
2735	--activecnt;	3551	--activecnt;
2736	}	3552	}
2737		3553
2738	void	3554	void
2739	ev_now_update (EV_P)	3555	ev_now_update (EV_P) EV_THROW
2740	{	3556	{
2741	time_update (EV_A_ 1e100);	3557	time_update (EV_A_ 1e100);
2742	}	3558	}
2743		3559
2744	void	3560	void
2745	ev_suspend (EV_P)	3561	ev_suspend (EV_P) EV_THROW
2746	{	3562	{
2747	ev_now_update (EV_A);	3563	ev_now_update (EV_A);
2748	}	3564	}
2749		3565
2750	void	3566	void
2751	ev_resume (EV_P)	3567	ev_resume (EV_P) EV_THROW
2752	{	3568	{
2753	ev_tstamp mn_prev = mn_now;	3569	ev_tstamp mn_prev = mn_now;
2754		3570
2755	ev_now_update (EV_A);	3571	ev_now_update (EV_A);
2756	timers_reschedule (EV_A_ mn_now - mn_prev);	3572	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
2795	w->pending = 0;	3611	w->pending = 0;
2796	}	3612	}
2797	}	3613	}
2798		3614
2799	int	3615	int
2800	ev_clear_pending (EV_P_ void *w)	3616	ev_clear_pending (EV_P_ void *w) EV_THROW
2801	{	3617	{
2802	W w_ = (W)w;	3618	W w_ = (W)w;
2803	int pending = w_->pending;	3619	int pending = w_->pending;
2804		3620
2805	if (expect_true (pending))	3621	if (expect_true (pending))
…		…
2838	}	3654	}
2839		3655
2840	/*****************************************************************************/	3656	/*****************************************************************************/
2841		3657
2842	void noinline	3658	void noinline
2843	ev_io_start (EV_P_ ev_io *w)	3659	ev_io_start (EV_P_ ev_io *w) EV_THROW
2844	{	3660	{
2845	int fd = w->fd;	3661	int fd = w->fd;
2846		3662
2847	if (expect_false (ev_is_active (w)))	3663	if (expect_false (ev_is_active (w)))
2848	return;	3664	return;
…		…
2854		3670
2855	ev_start (EV_A_ (W)w, 1);	3671	ev_start (EV_A_ (W)w, 1);
2856	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3672	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2857	wlist_add (&anfds[fd].head, (WL)w);	3673	wlist_add (&anfds[fd].head, (WL)w);
2858		3674
		3675	/* common bug, apparently */
		3676	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3677
2859	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3678	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2860	w->events &= ~EV__IOFDSET;	3679	w->events &= ~EV__IOFDSET;
2861		3680
2862	EV_FREQUENT_CHECK;	3681	EV_FREQUENT_CHECK;
2863	}	3682	}
2864		3683
2865	void noinline	3684	void noinline
2866	ev_io_stop (EV_P_ ev_io *w)	3685	ev_io_stop (EV_P_ ev_io *w) EV_THROW
2867	{	3686	{
2868	clear_pending (EV_A_ (W)w);	3687	clear_pending (EV_A_ (W)w);
2869	if (expect_false (!ev_is_active (w)))	3688	if (expect_false (!ev_is_active (w)))
2870	return;	3689	return;
2871		3690
…		…
2880		3699
2881	EV_FREQUENT_CHECK;	3700	EV_FREQUENT_CHECK;
2882	}	3701	}
2883		3702
2884	void noinline	3703	void noinline
2885	ev_timer_start (EV_P_ ev_timer *w)	3704	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2886	{	3705	{
2887	if (expect_false (ev_is_active (w)))	3706	if (expect_false (ev_is_active (w)))
2888	return;	3707	return;
2889		3708
2890	ev_at (w) += mn_now;	3709	ev_at (w) += mn_now;
…		…
2904		3723
2905	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3724	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2906	}	3725	}
2907		3726
2908	void noinline	3727	void noinline
2909	ev_timer_stop (EV_P_ ev_timer *w)	3728	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2910	{	3729	{
2911	clear_pending (EV_A_ (W)w);	3730	clear_pending (EV_A_ (W)w);
2912	if (expect_false (!ev_is_active (w)))	3731	if (expect_false (!ev_is_active (w)))
2913	return;	3732	return;
2914		3733
…		…
2934		3753
2935	EV_FREQUENT_CHECK;	3754	EV_FREQUENT_CHECK;
2936	}	3755	}
2937		3756
2938	void noinline	3757	void noinline
2939	ev_timer_again (EV_P_ ev_timer *w)	3758	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2940	{	3759	{
2941	EV_FREQUENT_CHECK;	3760	EV_FREQUENT_CHECK;
		3761
		3762	clear_pending (EV_A_ (W)w);
2942		3763
2943	if (ev_is_active (w))	3764	if (ev_is_active (w))
2944	{	3765	{
2945	if (w->repeat)	3766	if (w->repeat)
2946	{	3767	{
…		…
2959		3780
2960	EV_FREQUENT_CHECK;	3781	EV_FREQUENT_CHECK;
2961	}	3782	}
2962		3783
2963	ev_tstamp	3784	ev_tstamp
2964	ev_timer_remaining (EV_P_ ev_timer *w)	3785	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2965	{	3786	{
2966	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3787	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2967	}	3788	}
2968		3789
2969	#if EV_PERIODIC_ENABLE	3790	#if EV_PERIODIC_ENABLE
2970	void noinline	3791	void noinline
2971	ev_periodic_start (EV_P_ ev_periodic *w)	3792	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2972	{	3793	{
2973	if (expect_false (ev_is_active (w)))	3794	if (expect_false (ev_is_active (w)))
2974	return;	3795	return;
2975		3796
2976	if (w->reschedule_cb)	3797	if (w->reschedule_cb)
…		…
2996		3817
2997	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3818	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2998	}	3819	}
2999		3820
3000	void noinline	3821	void noinline
3001	ev_periodic_stop (EV_P_ ev_periodic *w)	3822	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3002	{	3823	{
3003	clear_pending (EV_A_ (W)w);	3824	clear_pending (EV_A_ (W)w);
3004	if (expect_false (!ev_is_active (w)))	3825	if (expect_false (!ev_is_active (w)))
3005	return;	3826	return;
3006		3827
…		…
3024		3845
3025	EV_FREQUENT_CHECK;	3846	EV_FREQUENT_CHECK;
3026	}	3847	}
3027		3848
3028	void noinline	3849	void noinline
3029	ev_periodic_again (EV_P_ ev_periodic *w)	3850	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3030	{	3851	{
3031	/* TODO: use adjustheap and recalculation */	3852	/* TODO: use adjustheap and recalculation */
3032	ev_periodic_stop (EV_A_ w);	3853	ev_periodic_stop (EV_A_ w);
3033	ev_periodic_start (EV_A_ w);	3854	ev_periodic_start (EV_A_ w);
3034	}	3855	}
…		…
3039	#endif	3860	#endif
3040		3861
3041	#if EV_SIGNAL_ENABLE	3862	#if EV_SIGNAL_ENABLE
3042		3863
3043	void noinline	3864	void noinline
3044	ev_signal_start (EV_P_ ev_signal *w)	3865	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3045	{	3866	{
3046	if (expect_false (ev_is_active (w)))	3867	if (expect_false (ev_is_active (w)))
3047	return;	3868	return;
3048		3869
3049	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3870	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3051	#if EV_MULTIPLICITY	3872	#if EV_MULTIPLICITY
3052	assert (("libev: a signal must not be attached to two different loops",	3873	assert (("libev: a signal must not be attached to two different loops",
3053	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3874	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3054		3875
3055	signals [w->signum - 1].loop = EV_A;	3876	signals [w->signum - 1].loop = EV_A;
		3877	ECB_MEMORY_FENCE_RELEASE;
3056	#endif	3878	#endif
3057		3879
3058	EV_FREQUENT_CHECK;	3880	EV_FREQUENT_CHECK;
3059		3881
3060	#if EV_USE_SIGNALFD	3882	#if EV_USE_SIGNALFD
…		…
3120		3942
3121	EV_FREQUENT_CHECK;	3943	EV_FREQUENT_CHECK;
3122	}	3944	}
3123		3945
3124	void noinline	3946	void noinline
3125	ev_signal_stop (EV_P_ ev_signal *w)	3947	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3126	{	3948	{
3127	clear_pending (EV_A_ (W)w);	3949	clear_pending (EV_A_ (W)w);
3128	if (expect_false (!ev_is_active (w)))	3950	if (expect_false (!ev_is_active (w)))
3129	return;	3951	return;
3130		3952
…		…
3161	#endif	3983	#endif
3162		3984
3163	#if EV_CHILD_ENABLE	3985	#if EV_CHILD_ENABLE
3164		3986
3165	void	3987	void
3166	ev_child_start (EV_P_ ev_child *w)	3988	ev_child_start (EV_P_ ev_child *w) EV_THROW
3167	{	3989	{
3168	#if EV_MULTIPLICITY	3990	#if EV_MULTIPLICITY
3169	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3991	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3170	#endif	3992	#endif
3171	if (expect_false (ev_is_active (w)))	3993	if (expect_false (ev_is_active (w)))
…		…
3178		4000
3179	EV_FREQUENT_CHECK;	4001	EV_FREQUENT_CHECK;
3180	}	4002	}
3181		4003
3182	void	4004	void
3183	ev_child_stop (EV_P_ ev_child *w)	4005	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3184	{	4006	{
3185	clear_pending (EV_A_ (W)w);	4007	clear_pending (EV_A_ (W)w);
3186	if (expect_false (!ev_is_active (w)))	4008	if (expect_false (!ev_is_active (w)))
3187	return;	4009	return;
3188		4010
…		…
3215	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4037	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3216		4038
3217	static void noinline	4039	static void noinline
3218	infy_add (EV_P_ ev_stat *w)	4040	infy_add (EV_P_ ev_stat *w)
3219	{	4041	{
3220	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);	4042	w->wd = inotify_add_watch (fs_fd, w->path,
		4043	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		4044	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		4045	| IN_DONT_FOLLOW | IN_MASK_ADD);
3221		4046
3222	if (w->wd >= 0)	4047	if (w->wd >= 0)
3223	{	4048	{
3224	struct statfs sfs;	4049	struct statfs sfs;
3225		4050
…		…
3229		4054
3230	if (!fs_2625)	4055	if (!fs_2625)
3231	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4056	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3232	else if (!statfs (w->path, &sfs)	4057	else if (!statfs (w->path, &sfs)
3233	&& (sfs.f_type == 0x1373 /* devfs */	4058	&& (sfs.f_type == 0x1373 /* devfs */
		4059	|| sfs.f_type == 0x4006 /* fat */
		4060	|| sfs.f_type == 0x4d44 /* msdos */
3234	|| sfs.f_type == 0xEF53 /* ext2/3 */	4061	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4062	|| sfs.f_type == 0x72b6 /* jffs2 */
		4063	|| sfs.f_type == 0x858458f6 /* ramfs */
		4064	|| sfs.f_type == 0x5346544e /* ntfs */
3235	|| sfs.f_type == 0x3153464a /* jfs */	4065	|| sfs.f_type == 0x3153464a /* jfs */
		4066	|| sfs.f_type == 0x9123683e /* btrfs */
3236	|| sfs.f_type == 0x52654973 /* reiser3 */	4067	|| sfs.f_type == 0x52654973 /* reiser3 */
3237	|| sfs.f_type == 0x01021994 /* tempfs */	4068	|| sfs.f_type == 0x01021994 /* tmpfs */
3238	|| sfs.f_type == 0x58465342 /* xfs */))	4069	|| sfs.f_type == 0x58465342 /* xfs */))
3239	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4070	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3240	else	4071	else
3241	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4072	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3242	}	4073	}
…		…
3355	}	4186	}
3356		4187
3357	inline_size int	4188	inline_size int
3358	infy_newfd (void)	4189	infy_newfd (void)
3359	{	4190	{
3360	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4191	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3361	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4192	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3362	if (fd >= 0)	4193	if (fd >= 0)
3363	return fd;	4194	return fd;
3364	#endif	4195	#endif
3365	return inotify_init ();	4196	return inotify_init ();
…		…
3440	#else	4271	#else
3441	# define EV_LSTAT(p,b) lstat (p, b)	4272	# define EV_LSTAT(p,b) lstat (p, b)
3442	#endif	4273	#endif
3443		4274
3444	void	4275	void
3445	ev_stat_stat (EV_P_ ev_stat *w)	4276	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3446	{	4277	{
3447	if (lstat (w->path, &w->attr) < 0)	4278	if (lstat (w->path, &w->attr) < 0)
3448	w->attr.st_nlink = 0;	4279	w->attr.st_nlink = 0;
3449	else if (!w->attr.st_nlink)	4280	else if (!w->attr.st_nlink)
3450	w->attr.st_nlink = 1;	4281	w->attr.st_nlink = 1;
…		…
3489	ev_feed_event (EV_A_ w, EV_STAT);	4320	ev_feed_event (EV_A_ w, EV_STAT);
3490	}	4321	}
3491	}	4322	}
3492		4323
3493	void	4324	void
3494	ev_stat_start (EV_P_ ev_stat *w)	4325	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3495	{	4326	{
3496	if (expect_false (ev_is_active (w)))	4327	if (expect_false (ev_is_active (w)))
3497	return;	4328	return;
3498		4329
3499	ev_stat_stat (EV_A_ w);	4330	ev_stat_stat (EV_A_ w);
…		…
3520		4351
3521	EV_FREQUENT_CHECK;	4352	EV_FREQUENT_CHECK;
3522	}	4353	}
3523		4354
3524	void	4355	void
3525	ev_stat_stop (EV_P_ ev_stat *w)	4356	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3526	{	4357	{
3527	clear_pending (EV_A_ (W)w);	4358	clear_pending (EV_A_ (W)w);
3528	if (expect_false (!ev_is_active (w)))	4359	if (expect_false (!ev_is_active (w)))
3529	return;	4360	return;
3530		4361
…		…
3546	}	4377	}
3547	#endif	4378	#endif
3548		4379
3549	#if EV_IDLE_ENABLE	4380	#if EV_IDLE_ENABLE
3550	void	4381	void
3551	ev_idle_start (EV_P_ ev_idle *w)	4382	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3552	{	4383	{
3553	if (expect_false (ev_is_active (w)))	4384	if (expect_false (ev_is_active (w)))
3554	return;	4385	return;
3555		4386
3556	pri_adjust (EV_A_ (W)w);	4387	pri_adjust (EV_A_ (W)w);
…		…
3569		4400
3570	EV_FREQUENT_CHECK;	4401	EV_FREQUENT_CHECK;
3571	}	4402	}
3572		4403
3573	void	4404	void
3574	ev_idle_stop (EV_P_ ev_idle *w)	4405	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3575	{	4406	{
3576	clear_pending (EV_A_ (W)w);	4407	clear_pending (EV_A_ (W)w);
3577	if (expect_false (!ev_is_active (w)))	4408	if (expect_false (!ev_is_active (w)))
3578	return;	4409	return;
3579		4410
…		…
3593	}	4424	}
3594	#endif	4425	#endif
3595		4426
3596	#if EV_PREPARE_ENABLE	4427	#if EV_PREPARE_ENABLE
3597	void	4428	void
3598	ev_prepare_start (EV_P_ ev_prepare *w)	4429	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3599	{	4430	{
3600	if (expect_false (ev_is_active (w)))	4431	if (expect_false (ev_is_active (w)))
3601	return;	4432	return;
3602		4433
3603	EV_FREQUENT_CHECK;	4434	EV_FREQUENT_CHECK;
…		…
3608		4439
3609	EV_FREQUENT_CHECK;	4440	EV_FREQUENT_CHECK;
3610	}	4441	}
3611		4442
3612	void	4443	void
3613	ev_prepare_stop (EV_P_ ev_prepare *w)	4444	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3614	{	4445	{
3615	clear_pending (EV_A_ (W)w);	4446	clear_pending (EV_A_ (W)w);
3616	if (expect_false (!ev_is_active (w)))	4447	if (expect_false (!ev_is_active (w)))
3617	return;	4448	return;
3618		4449
…		…
3631	}	4462	}
3632	#endif	4463	#endif
3633		4464
3634	#if EV_CHECK_ENABLE	4465	#if EV_CHECK_ENABLE
3635	void	4466	void
3636	ev_check_start (EV_P_ ev_check *w)	4467	ev_check_start (EV_P_ ev_check *w) EV_THROW
3637	{	4468	{
3638	if (expect_false (ev_is_active (w)))	4469	if (expect_false (ev_is_active (w)))
3639	return;	4470	return;
3640		4471
3641	EV_FREQUENT_CHECK;	4472	EV_FREQUENT_CHECK;
…		…
3646		4477
3647	EV_FREQUENT_CHECK;	4478	EV_FREQUENT_CHECK;
3648	}	4479	}
3649		4480
3650	void	4481	void
3651	ev_check_stop (EV_P_ ev_check *w)	4482	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3652	{	4483	{
3653	clear_pending (EV_A_ (W)w);	4484	clear_pending (EV_A_ (W)w);
3654	if (expect_false (!ev_is_active (w)))	4485	if (expect_false (!ev_is_active (w)))
3655	return;	4486	return;
3656		4487
…		…
3669	}	4500	}
3670	#endif	4501	#endif
3671		4502
3672	#if EV_EMBED_ENABLE	4503	#if EV_EMBED_ENABLE
3673	void noinline	4504	void noinline
3674	ev_embed_sweep (EV_P_ ev_embed *w)	4505	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3675	{	4506	{
3676	ev_run (w->other, EVRUN_NOWAIT);	4507	ev_run (w->other, EVRUN_NOWAIT);
3677	}	4508	}
3678		4509
3679	static void	4510	static void
…		…
3727	ev_idle_stop (EV_A_ idle);	4558	ev_idle_stop (EV_A_ idle);
3728	}	4559	}
3729	#endif	4560	#endif
3730		4561
3731	void	4562	void
3732	ev_embed_start (EV_P_ ev_embed *w)	4563	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3733	{	4564	{
3734	if (expect_false (ev_is_active (w)))	4565	if (expect_false (ev_is_active (w)))
3735	return;	4566	return;
3736		4567
3737	{	4568	{
…		…
3758		4589
3759	EV_FREQUENT_CHECK;	4590	EV_FREQUENT_CHECK;
3760	}	4591	}
3761		4592
3762	void	4593	void
3763	ev_embed_stop (EV_P_ ev_embed *w)	4594	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3764	{	4595	{
3765	clear_pending (EV_A_ (W)w);	4596	clear_pending (EV_A_ (W)w);
3766	if (expect_false (!ev_is_active (w)))	4597	if (expect_false (!ev_is_active (w)))
3767	return;	4598	return;
3768		4599
…		…
3778	}	4609	}
3779	#endif	4610	#endif
3780		4611
3781	#if EV_FORK_ENABLE	4612	#if EV_FORK_ENABLE
3782	void	4613	void
3783	ev_fork_start (EV_P_ ev_fork *w)	4614	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3784	{	4615	{
3785	if (expect_false (ev_is_active (w)))	4616	if (expect_false (ev_is_active (w)))
3786	return;	4617	return;
3787		4618
3788	EV_FREQUENT_CHECK;	4619	EV_FREQUENT_CHECK;
…		…
3793		4624
3794	EV_FREQUENT_CHECK;	4625	EV_FREQUENT_CHECK;
3795	}	4626	}
3796		4627
3797	void	4628	void
3798	ev_fork_stop (EV_P_ ev_fork *w)	4629	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3799	{	4630	{
3800	clear_pending (EV_A_ (W)w);	4631	clear_pending (EV_A_ (W)w);
3801	if (expect_false (!ev_is_active (w)))	4632	if (expect_false (!ev_is_active (w)))
3802	return;	4633	return;
3803		4634
…		…
3816	}	4647	}
3817	#endif	4648	#endif
3818		4649
3819	#if EV_CLEANUP_ENABLE	4650	#if EV_CLEANUP_ENABLE
3820	void	4651	void
3821	ev_cleanup_start (EV_P_ ev_cleanup *w)	4652	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3822	{	4653	{
3823	if (expect_false (ev_is_active (w)))	4654	if (expect_false (ev_is_active (w)))
3824	return;	4655	return;
3825		4656
3826	EV_FREQUENT_CHECK;	4657	EV_FREQUENT_CHECK;
…		…
3833	ev_unref (EV_A);	4664	ev_unref (EV_A);
3834	EV_FREQUENT_CHECK;	4665	EV_FREQUENT_CHECK;
3835	}	4666	}
3836		4667
3837	void	4668	void
3838	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4669	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3839	{	4670	{
3840	clear_pending (EV_A_ (W)w);	4671	clear_pending (EV_A_ (W)w);
3841	if (expect_false (!ev_is_active (w)))	4672	if (expect_false (!ev_is_active (w)))
3842	return;	4673	return;
3843		4674
…		…
3857	}	4688	}
3858	#endif	4689	#endif
3859		4690
3860	#if EV_ASYNC_ENABLE	4691	#if EV_ASYNC_ENABLE
3861	void	4692	void
3862	ev_async_start (EV_P_ ev_async *w)	4693	ev_async_start (EV_P_ ev_async *w) EV_THROW
3863	{	4694	{
3864	if (expect_false (ev_is_active (w)))	4695	if (expect_false (ev_is_active (w)))
3865	return;	4696	return;
3866		4697
3867	w->sent = 0;	4698	w->sent = 0;
…		…
3876		4707
3877	EV_FREQUENT_CHECK;	4708	EV_FREQUENT_CHECK;
3878	}	4709	}
3879		4710
3880	void	4711	void
3881	ev_async_stop (EV_P_ ev_async *w)	4712	ev_async_stop (EV_P_ ev_async *w) EV_THROW
3882	{	4713	{
3883	clear_pending (EV_A_ (W)w);	4714	clear_pending (EV_A_ (W)w);
3884	if (expect_false (!ev_is_active (w)))	4715	if (expect_false (!ev_is_active (w)))
3885	return;	4716	return;
3886		4717
…		…
3897		4728
3898	EV_FREQUENT_CHECK;	4729	EV_FREQUENT_CHECK;
3899	}	4730	}
3900		4731
3901	void	4732	void
3902	ev_async_send (EV_P_ ev_async *w)	4733	ev_async_send (EV_P_ ev_async *w) EV_THROW
3903	{	4734	{
3904	w->sent = 1;	4735	w->sent = 1;
3905	evpipe_write (EV_A_ &async_pending);	4736	evpipe_write (EV_A_ &async_pending);
3906	}	4737	}
3907	#endif	4738	#endif
…		…
3944		4775
3945	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4776	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3946	}	4777	}
3947		4778
3948	void	4779	void
3949	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4780	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3950	{	4781	{
3951	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4782	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3952		4783
3953	if (expect_false (!once))	4784	if (expect_false (!once))
3954	{	4785	{
…		…
3976		4807
3977	/*****************************************************************************/	4808	/*****************************************************************************/
3978		4809
3979	#if EV_WALK_ENABLE	4810	#if EV_WALK_ENABLE
3980	void ecb_cold	4811	void ecb_cold
3981	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4812	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3982	{	4813	{
3983	int i, j;	4814	int i, j;
3984	ev_watcher_list *wl, *wn;	4815	ev_watcher_list *wl, *wn;
3985		4816
3986	if (types & (EV_IO | EV_EMBED))	4817	if (types & (EV_IO | EV_EMBED))
…		…
4029	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));	4860	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
4030	#endif	4861	#endif
4031		4862
4032	#if EV_IDLE_ENABLE	4863	#if EV_IDLE_ENABLE
4033	if (types & EV_IDLE)	4864	if (types & EV_IDLE)
4034	for (j = NUMPRI; i--; )	4865	for (j = NUMPRI; j--; )
4035	for (i = idlecnt [j]; i--; )	4866	for (i = idlecnt [j]; i--; )
4036	cb (EV_A_ EV_IDLE, idles [j][i]);	4867	cb (EV_A_ EV_IDLE, idles [j][i]);
4037	#endif	4868	#endif
4038		4869
4039	#if EV_FORK_ENABLE	4870	#if EV_FORK_ENABLE
…		…
4092		4923
4093	#if EV_MULTIPLICITY	4924	#if EV_MULTIPLICITY
4094	#include "ev_wrap.h"	4925	#include "ev_wrap.h"
4095	#endif	4926	#endif
4096		4927
4097	EV_CPP(})
4098

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