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Comparing libev/ev.c (file contents):
Revision 1.433 by root, Tue May 15 13:03:20 2012 UTC vs.
Revision 1.489 by root, Sat Dec 29 14:23:20 2018 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2018 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
…		…
162	# define EV_USE_EVENTFD 0	162	# define EV_USE_EVENTFD 0
163	# endif	163	# endif
164		164
165	#endif	165	#endif
166		166
		167	/* OS X, in its infinite idiocy, actually HARDCODES
		168	* a limit of 1024 into their select. Where people have brains,
		169	* OS X engineers apparently have a vacuum. Or maybe they were
		170	* ordered to have a vacuum, or they do anything for money.
		171	* This might help. Or not.
		172	* Note that this must be defined early, as other include files
		173	* will rely on this define as well.
		174	*/
		175	#define _DARWIN_UNLIMITED_SELECT 1
		176
167	#include <stdlib.h>	177	#include <stdlib.h>
168	#include <string.h>	178	#include <string.h>
169	#include <fcntl.h>	179	#include <fcntl.h>
170	#include <stddef.h>	180	#include <stddef.h>
171		181
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	218	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	219	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	220	# endif
211	# undef EV_AVOID_STDIO	221	# undef EV_AVOID_STDIO
212	#endif	222	#endif
213
214	/* OS X, in its infinite idiocy, actually HARDCODES
215	* a limit of 1024 into their select. Where people have brains,
216	* OS X engineers apparently have a vacuum. Or maybe they were
217	* ordered to have a vacuum, or they do anything for money.
218	* This might help. Or not.
219	*/
220	#define _DARWIN_UNLIMITED_SELECT 1
221		223
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	224	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		225
224	/* try to deduce the maximum number of signals on this platform */	226	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	227	#if defined EV_NSIG
…		…
241	#elif defined SIGARRAYSIZE	243	#elif defined SIGARRAYSIZE
242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	244	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
243	#elif defined _sys_nsig	245	#elif defined _sys_nsig
244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	246	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
245	#else	247	#else
246	# error "unable to find value for NSIG, please report"	248	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
247	/* to make it compile regardless, just remove the above line, */
248	/* but consider reporting it, too! :) */
249	# define EV_NSIG 65
250	#endif	249	#endif
251		250
252	#ifndef EV_USE_FLOOR	251	#ifndef EV_USE_FLOOR
253	# define EV_USE_FLOOR 0	252	# define EV_USE_FLOOR 0
254	#endif	253	#endif
255		254
256	#ifndef EV_USE_CLOCK_SYSCALL	255	#ifndef EV_USE_CLOCK_SYSCALL
257	# if __linux && __GLIBC__ >= 2	256	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
258	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	257	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
259	# else	258	# else
260	# define EV_USE_CLOCK_SYSCALL 0	259	# define EV_USE_CLOCK_SYSCALL 0
		260	# endif
		261	#endif
		262
		263	#if !(_POSIX_TIMERS > 0)
		264	# ifndef EV_USE_MONOTONIC
		265	# define EV_USE_MONOTONIC 0
		266	# endif
		267	# ifndef EV_USE_REALTIME
		268	# define EV_USE_REALTIME 0
261	# endif	269	# endif
262	#endif	270	#endif
263		271
264	#ifndef EV_USE_MONOTONIC	272	#ifndef EV_USE_MONOTONIC
265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	273	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
…		…
355	# define EV_USE_4HEAP EV_FEATURE_DATA	363	# define EV_USE_4HEAP EV_FEATURE_DATA
356	#endif	364	#endif
357		365
358	#ifndef EV_HEAP_CACHE_AT	366	#ifndef EV_HEAP_CACHE_AT
359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	367	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
		368	#endif
		369
		370	#ifdef __ANDROID__
		371	/* supposedly, android doesn't typedef fd_mask */
		372	# undef EV_USE_SELECT
		373	# define EV_USE_SELECT 0
		374	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		375	# undef EV_USE_CLOCK_SYSCALL
		376	# define EV_USE_CLOCK_SYSCALL 0
		377	#endif
		378
		379	/* aix's poll.h seems to cause lots of trouble */
		380	#ifdef _AIX
		381	/* AIX has a completely broken poll.h header */
		382	# undef EV_USE_POLL
		383	# define EV_USE_POLL 0
360	#endif	384	#endif
361		385
362	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	386	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
363	/* which makes programs even slower. might work on other unices, too. */	387	/* which makes programs even slower. might work on other unices, too. */
364	#if EV_USE_CLOCK_SYSCALL	388	#if EV_USE_CLOCK_SYSCALL
…		…
372	# define EV_USE_CLOCK_SYSCALL 0	396	# define EV_USE_CLOCK_SYSCALL 0
373	# endif	397	# endif
374	#endif	398	#endif
375		399
376	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	400	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
377
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		401
384	#ifndef CLOCK_MONOTONIC	402	#ifndef CLOCK_MONOTONIC
385	# undef EV_USE_MONOTONIC	403	# undef EV_USE_MONOTONIC
386	# define EV_USE_MONOTONIC 0	404	# define EV_USE_MONOTONIC 0
387	#endif	405	#endif
…		…
475	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	493	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
476	/* ECB.H BEGIN */	494	/* ECB.H BEGIN */
477	/*	495	/*
478	* libecb - http://software.schmorp.de/pkg/libecb	496	* libecb - http://software.schmorp.de/pkg/libecb
479	*	497	*
480	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>	498	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
481	* Copyright (©) 2011 Emanuele Giaquinta	499	* Copyright (©) 2011 Emanuele Giaquinta
482	* All rights reserved.	500	* All rights reserved.
483	*	501	*
484	* Redistribution and use in source and binary forms, with or without modifica-	502	* Redistribution and use in source and binary forms, with or without modifica-
485	* tion, are permitted provided that the following conditions are met:	503	* tion, are permitted provided that the following conditions are met:
…		…
499	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	517	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
500	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	518	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
501	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	519	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
502	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED	520	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
503	* OF THE POSSIBILITY OF SUCH DAMAGE.	521	* OF THE POSSIBILITY OF SUCH DAMAGE.
		522	*
		523	* Alternatively, the contents of this file may be used under the terms of
		524	* the GNU General Public License ("GPL") version 2 or any later version,
		525	* in which case the provisions of the GPL are applicable instead of
		526	* the above. If you wish to allow the use of your version of this file
		527	* only under the terms of the GPL and not to allow others to use your
		528	* version of this file under the BSD license, indicate your decision
		529	* by deleting the provisions above and replace them with the notice
		530	* and other provisions required by the GPL. If you do not delete the
		531	* provisions above, a recipient may use your version of this file under
		532	* either the BSD or the GPL.
504	*/	533	*/
505		534
506	#ifndef ECB_H	535	#ifndef ECB_H
507	#define ECB_H	536	#define ECB_H
		537
		538	/* 16 bits major, 16 bits minor */
		539	#define ECB_VERSION 0x00010005
508		540
509	#ifdef _WIN32	541	#ifdef _WIN32
510	typedef signed char int8_t;	542	typedef signed char int8_t;
511	typedef unsigned char uint8_t;	543	typedef unsigned char uint8_t;
512	typedef signed short int16_t;	544	typedef signed short int16_t;
…		…
518	typedef unsigned long long uint64_t;	550	typedef unsigned long long uint64_t;
519	#else /* _MSC_VER || __BORLANDC__ */	551	#else /* _MSC_VER || __BORLANDC__ */
520	typedef signed __int64 int64_t;	552	typedef signed __int64 int64_t;
521	typedef unsigned __int64 uint64_t;	553	typedef unsigned __int64 uint64_t;
522	#endif	554	#endif
		555	#ifdef _WIN64
		556	#define ECB_PTRSIZE 8
		557	typedef uint64_t uintptr_t;
		558	typedef int64_t intptr_t;
		559	#else
		560	#define ECB_PTRSIZE 4
		561	typedef uint32_t uintptr_t;
		562	typedef int32_t intptr_t;
		563	#endif
523	#else	564	#else
524	#include <inttypes.h>	565	#include <inttypes.h>
		566	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
		567	#define ECB_PTRSIZE 8
		568	#else
		569	#define ECB_PTRSIZE 4
		570	#endif
		571	#endif
		572
		573	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		574	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		575
		576	/* work around x32 idiocy by defining proper macros */
		577	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
		578	#if _ILP32
		579	#define ECB_AMD64_X32 1
		580	#else
		581	#define ECB_AMD64 1
		582	#endif
525	#endif	583	#endif
526		584
527	/* many compilers define _GNUC_ to some versions but then only implement	585	/* many compilers define _GNUC_ to some versions but then only implement
528	* what their idiot authors think are the "more important" extensions,	586	* what their idiot authors think are the "more important" extensions,
529	* causing enormous grief in return for some better fake benchmark numbers.	587	* causing enormous grief in return for some better fake benchmark numbers.
530	* or so.	588	* or so.
531	* we try to detect these and simply assume they are not gcc - if they have	589	* we try to detect these and simply assume they are not gcc - if they have
532	* an issue with that they should have done it right in the first place.	590	* an issue with that they should have done it right in the first place.
533	*/	591	*/
534	#ifndef ECB_GCC_VERSION
535	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	592	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
536	#define ECB_GCC_VERSION(major,minor) 0	593	#define ECB_GCC_VERSION(major,minor) 0
537	#else	594	#else
538	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	595	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
539	#endif	596	#endif
		597
		598	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		599
		600	#if __clang__ && defined __has_builtin
		601	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		602	#else
		603	#define ECB_CLANG_BUILTIN(x) 0
		604	#endif
		605
		606	#if __clang__ && defined __has_extension
		607	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		608	#else
		609	#define ECB_CLANG_EXTENSION(x) 0
		610	#endif
		611
		612	#define ECB_CPP (__cplusplus+0)
		613	#define ECB_CPP11 (__cplusplus >= 201103L)
		614	#define ECB_CPP14 (__cplusplus >= 201402L)
		615	#define ECB_CPP17 (__cplusplus >= 201703L)
		616
		617	#if ECB_CPP
		618	#define ECB_C 0
		619	#define ECB_STDC_VERSION 0
		620	#else
		621	#define ECB_C 1
		622	#define ECB_STDC_VERSION __STDC_VERSION__
		623	#endif
		624
		625	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		626	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		627	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
		628
		629	#if ECB_CPP
		630	#define ECB_EXTERN_C extern "C"
		631	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		632	#define ECB_EXTERN_C_END }
		633	#else
		634	#define ECB_EXTERN_C extern
		635	#define ECB_EXTERN_C_BEG
		636	#define ECB_EXTERN_C_END
540	#endif	637	#endif
541		638
542	/*****************************************************************************/	639	/*****************************************************************************/
543		640
544	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	641	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
545	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	642	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
546		643
547	#if ECB_NO_THREADS	644	#if ECB_NO_THREADS
548	# define ECB_NO_SMP 1	645	#define ECB_NO_SMP 1
549	#endif	646	#endif
550		647
551	#if ECB_NO_THREADS || ECB_NO_SMP	648	#if ECB_NO_SMP
552	#define ECB_MEMORY_FENCE do { } while (0)	649	#define ECB_MEMORY_FENCE do { } while (0)
		650	#endif
		651
		652	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		653	#if __xlC__ && ECB_CPP
		654	#include <builtins.h>
		655	#endif
		656
		657	#if 1400 <= _MSC_VER
		658	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
553	#endif	659	#endif
554		660
555	#ifndef ECB_MEMORY_FENCE	661	#ifndef ECB_MEMORY_FENCE
556	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	662	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
557	#if __i386 || __i386__	663	#if __i386 || __i386__
558	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	664	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
559	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	665	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
560	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	666	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
561	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	667	#elif ECB_GCC_AMD64
562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	668	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
563	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	669	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
564	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	670	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
565	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	671	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
566	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	672	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		673	#elif defined __ARM_ARCH_2__ \
		674	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		675	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		676	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		677	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		678	|| defined __ARM_ARCH_5TEJ__
		679	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
567	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	680	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
568	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	681	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		682	|| defined __ARM_ARCH_6T2__
569	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	683	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
570	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	684	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
571	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	685	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
572	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	686	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
573	#elif __sparc || __sparc__	687	#elif __aarch64__
		688	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		689	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
574	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")	690	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
575	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	691	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
576	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	692	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
577	#elif defined __s390__ || defined __s390x__	693	#elif defined __s390__ || defined __s390x__
578	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	694	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
579	#elif defined __mips__	695	#elif defined __mips__
		696	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		697	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
580	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	698	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
581	#elif defined __alpha__	699	#elif defined __alpha__
582	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")	700	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		701	#elif defined __hppa__
		702	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		703	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		704	#elif defined __ia64__
		705	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		706	#elif defined __m68k__
		707	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		708	#elif defined __m88k__
		709	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		710	#elif defined __sh__
		711	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
583	#endif	712	#endif
584	#endif	713	#endif
585	#endif	714	#endif
586		715
587	#ifndef ECB_MEMORY_FENCE	716	#ifndef ECB_MEMORY_FENCE
		717	#if ECB_GCC_VERSION(4,7)
		718	/* see comment below (stdatomic.h) about the C11 memory model. */
		719	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		720	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		721	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		722
		723	#elif ECB_CLANG_EXTENSION(c_atomic)
		724	/* see comment below (stdatomic.h) about the C11 memory model. */
		725	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		726	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		727	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		728
588	#if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	729	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
589	#define ECB_MEMORY_FENCE __sync_synchronize ()	730	#define ECB_MEMORY_FENCE __sync_synchronize ()
590	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */	731	#elif _MSC_VER >= 1500 /* VC++ 2008 */
591	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */	732	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		733	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		734	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		735	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		736	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
592	#elif _MSC_VER >= 1400 /* VC++ 2005 */	737	#elif _MSC_VER >= 1400 /* VC++ 2005 */
593	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	738	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
594	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	739	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
595	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	740	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
596	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	741	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
…		…
606	#define ECB_MEMORY_FENCE __sync ()	751	#define ECB_MEMORY_FENCE __sync ()
607	#endif	752	#endif
608	#endif	753	#endif
609		754
610	#ifndef ECB_MEMORY_FENCE	755	#ifndef ECB_MEMORY_FENCE
		756	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		757	/* we assume that these memory fences work on all variables/all memory accesses, */
		758	/* not just C11 atomics and atomic accesses */
		759	#include <stdatomic.h>
		760	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		761	/* any fence other than seq_cst, which isn't very efficient for us. */
		762	/* Why that is, we don't know - either the C11 memory model is quite useless */
		763	/* for most usages, or gcc and clang have a bug */
		764	/* I *currently* lean towards the latter, and inefficiently implement */
		765	/* all three of ecb's fences as a seq_cst fence */
		766	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		767	/* for all __atomic_thread_fence's except seq_cst */
		768	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		769	#endif
		770	#endif
		771
		772	#ifndef ECB_MEMORY_FENCE
611	#if !ECB_AVOID_PTHREADS	773	#if !ECB_AVOID_PTHREADS
612	/*	774	/*
613	* if you get undefined symbol references to pthread_mutex_lock,	775	* if you get undefined symbol references to pthread_mutex_lock,
614	* or failure to find pthread.h, then you should implement	776	* or failure to find pthread.h, then you should implement
615	* the ECB_MEMORY_FENCE operations for your cpu/compiler	777	* the ECB_MEMORY_FENCE operations for your cpu/compiler
…		…
633	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	795	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
634	#endif	796	#endif
635		797
636	/*****************************************************************************/	798	/*****************************************************************************/
637		799
638	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	800	#if ECB_CPP
639
640	#if __cplusplus
641	#define ecb_inline static inline	801	#define ecb_inline static inline
642	#elif ECB_GCC_VERSION(2,5)	802	#elif ECB_GCC_VERSION(2,5)
643	#define ecb_inline static __inline__	803	#define ecb_inline static __inline__
644	#elif ECB_C99	804	#elif ECB_C99
645	#define ecb_inline static inline	805	#define ecb_inline static inline
…		…
659		819
660	#define ECB_CONCAT_(a, b) a ## b	820	#define ECB_CONCAT_(a, b) a ## b
661	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	821	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
662	#define ECB_STRINGIFY_(a) # a	822	#define ECB_STRINGIFY_(a) # a
663	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	823	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		824	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
664		825
665	#define ecb_function_ ecb_inline	826	#define ecb_function_ ecb_inline
666		827
667	#if ECB_GCC_VERSION(3,1)	828	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
668	#define ecb_attribute(attrlist) __attribute__(attrlist)	829	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		830	#else
		831	#define ecb_attribute(attrlist)
		832	#endif
		833
		834	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
669	#define ecb_is_constant(expr) __builtin_constant_p (expr)	835	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		836	#else
		837	/* possible C11 impl for integral types
		838	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		839	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		840
		841	#define ecb_is_constant(expr) 0
		842	#endif
		843
		844	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
670	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	845	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		846	#else
		847	#define ecb_expect(expr,value) (expr)
		848	#endif
		849
		850	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
671	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	851	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
672	#else	852	#else
673	#define ecb_attribute(attrlist)
674	#define ecb_is_constant(expr) 0
675	#define ecb_expect(expr,value) (expr)
676	#define ecb_prefetch(addr,rw,locality)	853	#define ecb_prefetch(addr,rw,locality)
677	#endif	854	#endif
678		855
679	/* no emulation for ecb_decltype */	856	/* no emulation for ecb_decltype */
680	#if ECB_GCC_VERSION(4,5)	857	#if ECB_CPP11
		858	// older implementations might have problems with decltype(x)::type, work around it
		859	template<class T> struct ecb_decltype_t { typedef T type; };
681	#define ecb_decltype(x) __decltype(x)	860	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
682	#elif ECB_GCC_VERSION(3,0)	861	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
683	#define ecb_decltype(x) __typeof(x)	862	#define ecb_decltype(x) __typeof__ (x)
684	#endif	863	#endif
685		864
		865	#if _MSC_VER >= 1300
		866	#define ecb_deprecated __declspec (deprecated)
		867	#else
		868	#define ecb_deprecated ecb_attribute ((__deprecated__))
		869	#endif
		870
		871	#if _MSC_VER >= 1500
		872	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		873	#elif ECB_GCC_VERSION(4,5)
		874	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		875	#else
		876	#define ecb_deprecated_message(msg) ecb_deprecated
		877	#endif
		878
		879	#if _MSC_VER >= 1400
		880	#define ecb_noinline __declspec (noinline)
		881	#else
686	#define ecb_noinline ecb_attribute ((__noinline__))	882	#define ecb_noinline ecb_attribute ((__noinline__))
687	#define ecb_noreturn ecb_attribute ((__noreturn__))	883	#endif
		884
688	#define ecb_unused ecb_attribute ((__unused__))	885	#define ecb_unused ecb_attribute ((__unused__))
689	#define ecb_const ecb_attribute ((__const__))	886	#define ecb_const ecb_attribute ((__const__))
690	#define ecb_pure ecb_attribute ((__pure__))	887	#define ecb_pure ecb_attribute ((__pure__))
		888
		889	#if ECB_C11 || __IBMC_NORETURN
		890	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
		891	#define ecb_noreturn _Noreturn
		892	#elif ECB_CPP11
		893	#define ecb_noreturn [[noreturn]]
		894	#elif _MSC_VER >= 1200
		895	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		896	#define ecb_noreturn __declspec (noreturn)
		897	#else
		898	#define ecb_noreturn ecb_attribute ((__noreturn__))
		899	#endif
691		900
692	#if ECB_GCC_VERSION(4,3)	901	#if ECB_GCC_VERSION(4,3)
693	#define ecb_artificial ecb_attribute ((__artificial__))	902	#define ecb_artificial ecb_attribute ((__artificial__))
694	#define ecb_hot ecb_attribute ((__hot__))	903	#define ecb_hot ecb_attribute ((__hot__))
695	#define ecb_cold ecb_attribute ((__cold__))	904	#define ecb_cold ecb_attribute ((__cold__))
…		…
707	/* for compatibility to the rest of the world */	916	/* for compatibility to the rest of the world */
708	#define ecb_likely(expr) ecb_expect_true (expr)	917	#define ecb_likely(expr) ecb_expect_true (expr)
709	#define ecb_unlikely(expr) ecb_expect_false (expr)	918	#define ecb_unlikely(expr) ecb_expect_false (expr)
710		919
711	/* count trailing zero bits and count # of one bits */	920	/* count trailing zero bits and count # of one bits */
712	#if ECB_GCC_VERSION(3,4)	921	#if ECB_GCC_VERSION(3,4) \
		922	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		923	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		924	&& ECB_CLANG_BUILTIN(__builtin_popcount))
713	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	925	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
714	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	926	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
715	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	927	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
716	#define ecb_ctz32(x) __builtin_ctz (x)	928	#define ecb_ctz32(x) __builtin_ctz (x)
717	#define ecb_ctz64(x) __builtin_ctzll (x)	929	#define ecb_ctz64(x) __builtin_ctzll (x)
718	#define ecb_popcount32(x) __builtin_popcount (x)	930	#define ecb_popcount32(x) __builtin_popcount (x)
719	/* no popcountll */	931	/* no popcountll */
720	#else	932	#else
721	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	933	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
722	ecb_function_ int	934	ecb_function_ ecb_const int
723	ecb_ctz32 (uint32_t x)	935	ecb_ctz32 (uint32_t x)
724	{	936	{
		937	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		938	unsigned long r;
		939	_BitScanForward (&r, x);
		940	return (int)r;
		941	#else
725	int r = 0;	942	int r = 0;
726		943
727	x &= ~x + 1; /* this isolates the lowest bit */	944	x &= ~x + 1; /* this isolates the lowest bit */
728		945
729	#if ECB_branchless_on_i386	946	#if ECB_branchless_on_i386
…		…
739	if (x & 0xff00ff00) r += 8;	956	if (x & 0xff00ff00) r += 8;
740	if (x & 0xffff0000) r += 16;	957	if (x & 0xffff0000) r += 16;
741	#endif	958	#endif
742		959
743	return r;	960	return r;
		961	#endif
744	}	962	}
745		963
746	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	964	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
747	ecb_function_ int	965	ecb_function_ ecb_const int
748	ecb_ctz64 (uint64_t x)	966	ecb_ctz64 (uint64_t x)
749	{	967	{
		968	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		969	unsigned long r;
		970	_BitScanForward64 (&r, x);
		971	return (int)r;
		972	#else
750	int shift = x & 0xffffffffU ? 0 : 32;	973	int shift = x & 0xffffffff ? 0 : 32;
751	return ecb_ctz32 (x >> shift) + shift;	974	return ecb_ctz32 (x >> shift) + shift;
		975	#endif
752	}	976	}
753		977
754	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	978	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
755	ecb_function_ int	979	ecb_function_ ecb_const int
756	ecb_popcount32 (uint32_t x)	980	ecb_popcount32 (uint32_t x)
757	{	981	{
758	x -= (x >> 1) & 0x55555555;	982	x -= (x >> 1) & 0x55555555;
759	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	983	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
760	x = ((x >> 4) + x) & 0x0f0f0f0f;	984	x = ((x >> 4) + x) & 0x0f0f0f0f;
761	x *= 0x01010101;	985	x *= 0x01010101;
762		986
763	return x >> 24;	987	return x >> 24;
764	}	988	}
765		989
766	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	990	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
767	ecb_function_ int ecb_ld32 (uint32_t x)	991	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
768	{	992	{
		993	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		994	unsigned long r;
		995	_BitScanReverse (&r, x);
		996	return (int)r;
		997	#else
769	int r = 0;	998	int r = 0;
770		999
771	if (x >> 16) { x >>= 16; r += 16; }	1000	if (x >> 16) { x >>= 16; r += 16; }
772	if (x >> 8) { x >>= 8; r += 8; }	1001	if (x >> 8) { x >>= 8; r += 8; }
773	if (x >> 4) { x >>= 4; r += 4; }	1002	if (x >> 4) { x >>= 4; r += 4; }
774	if (x >> 2) { x >>= 2; r += 2; }	1003	if (x >> 2) { x >>= 2; r += 2; }
775	if (x >> 1) { r += 1; }	1004	if (x >> 1) { r += 1; }
776		1005
777	return r;	1006	return r;
		1007	#endif
778	}	1008	}
779		1009
780	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1010	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
781	ecb_function_ int ecb_ld64 (uint64_t x)	1011	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
782	{	1012	{
		1013	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1014	unsigned long r;
		1015	_BitScanReverse64 (&r, x);
		1016	return (int)r;
		1017	#else
783	int r = 0;	1018	int r = 0;
784		1019
785	if (x >> 32) { x >>= 32; r += 32; }	1020	if (x >> 32) { x >>= 32; r += 32; }
786		1021
787	return r + ecb_ld32 (x);	1022	return r + ecb_ld32 (x);
		1023	#endif
788	}	1024	}
789	#endif	1025	#endif
790		1026
		1027	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
		1028	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		1029	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
		1030	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		1031
791	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1032	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
792	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1033	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
793	{	1034	{
794	return ( (x * 0x0802U & 0x22110U)	1035	return ( (x * 0x0802U & 0x22110U)
795	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1036	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
796	}	1037	}
797		1038
798	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1039	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
799	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1040	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
800	{	1041	{
801	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1042	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
802	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1043	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
803	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1044	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
804	x = ( x >> 8 ) | ( x << 8);	1045	x = ( x >> 8 ) | ( x << 8);
805		1046
806	return x;	1047	return x;
807	}	1048	}
808		1049
809	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1050	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
810	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1051	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
811	{	1052	{
812	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1053	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
813	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1054	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
814	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1055	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
815	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1056	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
818	return x;	1059	return x;
819	}	1060	}
820		1061
821	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1062	/* popcount64 is only available on 64 bit cpus as gcc builtin */
822	/* so for this version we are lazy */	1063	/* so for this version we are lazy */
823	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1064	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
824	ecb_function_ int	1065	ecb_function_ ecb_const int
825	ecb_popcount64 (uint64_t x)	1066	ecb_popcount64 (uint64_t x)
826	{	1067	{
827	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1068	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
828	}	1069	}
829		1070
830	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1071	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
831	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1072	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
832	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1073	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
833	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1074	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
834	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1075	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
835	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1076	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
836	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1077	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
837	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1078	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
838		1079
839	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1080	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
840	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1081	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
841	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1082	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
842	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1083	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
843	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1084	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
844	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1085	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
845	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1086	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
846	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1087	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
847		1088
848	#if ECB_GCC_VERSION(4,3)	1089	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1090	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1091	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1092	#else
849	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1093	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1094	#endif
850	#define ecb_bswap32(x) __builtin_bswap32 (x)	1095	#define ecb_bswap32(x) __builtin_bswap32 (x)
851	#define ecb_bswap64(x) __builtin_bswap64 (x)	1096	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1097	#elif _MSC_VER
		1098	#include <stdlib.h>
		1099	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1100	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1101	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
852	#else	1102	#else
853	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1103	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
854	ecb_function_ uint16_t	1104	ecb_function_ ecb_const uint16_t
855	ecb_bswap16 (uint16_t x)	1105	ecb_bswap16 (uint16_t x)
856	{	1106	{
857	return ecb_rotl16 (x, 8);	1107	return ecb_rotl16 (x, 8);
858	}	1108	}
859		1109
860	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1110	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
861	ecb_function_ uint32_t	1111	ecb_function_ ecb_const uint32_t
862	ecb_bswap32 (uint32_t x)	1112	ecb_bswap32 (uint32_t x)
863	{	1113	{
864	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1114	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
865	}	1115	}
866		1116
867	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1117	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
868	ecb_function_ uint64_t	1118	ecb_function_ ecb_const uint64_t
869	ecb_bswap64 (uint64_t x)	1119	ecb_bswap64 (uint64_t x)
870	{	1120	{
871	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1121	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
872	}	1122	}
873	#endif	1123	#endif
874		1124
875	#if ECB_GCC_VERSION(4,5)	1125	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
876	#define ecb_unreachable() __builtin_unreachable ()	1126	#define ecb_unreachable() __builtin_unreachable ()
877	#else	1127	#else
878	/* this seems to work fine, but gcc always emits a warning for it :/ */	1128	/* this seems to work fine, but gcc always emits a warning for it :/ */
879	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1129	ecb_inline ecb_noreturn void ecb_unreachable (void);
880	ecb_inline void ecb_unreachable (void) { }	1130	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
881	#endif	1131	#endif
882		1132
883	/* try to tell the compiler that some condition is definitely true */	1133	/* try to tell the compiler that some condition is definitely true */
884	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	1134	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
885		1135
886	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1136	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
887	ecb_inline unsigned char	1137	ecb_inline ecb_const uint32_t
888	ecb_byteorder_helper (void)	1138	ecb_byteorder_helper (void)
889	{	1139	{
890	const uint32_t u = 0x11223344;	1140	/* the union code still generates code under pressure in gcc, */
891	return *(unsigned char *)&u;	1141	/* but less than using pointers, and always seems to */
		1142	/* successfully return a constant. */
		1143	/* the reason why we have this horrible preprocessor mess */
		1144	/* is to avoid it in all cases, at least on common architectures */
		1145	/* or when using a recent enough gcc version (>= 4.6) */
		1146	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1147	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1148	#define ECB_LITTLE_ENDIAN 1
		1149	return 0x44332211;
		1150	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1151	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1152	#define ECB_BIG_ENDIAN 1
		1153	return 0x11223344;
		1154	#else
		1155	union
		1156	{
		1157	uint8_t c[4];
		1158	uint32_t u;
		1159	} u = { 0x11, 0x22, 0x33, 0x44 };
		1160	return u.u;
		1161	#endif
892	}	1162	}
893		1163
894	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1164	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
895	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1165	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
896	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1166	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
897	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1167	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
898		1168
899	#if ECB_GCC_VERSION(3,0) || ECB_C99	1169	#if ECB_GCC_VERSION(3,0) || ECB_C99
900	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1170	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
901	#else	1171	#else
902	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1172	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
903	#endif	1173	#endif
904		1174
905	#if __cplusplus	1175	#if ECB_CPP
906	template<typename T>	1176	template<typename T>
907	static inline T ecb_div_rd (T val, T div)	1177	static inline T ecb_div_rd (T val, T div)
908	{	1178	{
909	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1179	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
910	}	1180	}
…		…
927	}	1197	}
928	#else	1198	#else
929	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1199	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
930	#endif	1200	#endif
931		1201
		1202	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1203	ecb_function_ ecb_const uint32_t
		1204	ecb_binary16_to_binary32 (uint32_t x)
		1205	{
		1206	unsigned int s = (x & 0x8000) << (31 - 15);
		1207	int e = (x >> 10) & 0x001f;
		1208	unsigned int m = x & 0x03ff;
		1209
		1210	if (ecb_expect_false (e == 31))
		1211	/* infinity or NaN */
		1212	e = 255 - (127 - 15);
		1213	else if (ecb_expect_false (!e))
		1214	{
		1215	if (ecb_expect_true (!m))
		1216	/* zero, handled by code below by forcing e to 0 */
		1217	e = 0 - (127 - 15);
		1218	else
		1219	{
		1220	/* subnormal, renormalise */
		1221	unsigned int s = 10 - ecb_ld32 (m);
		1222
		1223	m = (m << s) & 0x3ff; /* mask implicit bit */
		1224	e -= s - 1;
		1225	}
		1226	}
		1227
		1228	/* e and m now are normalised, or zero, (or inf or nan) */
		1229	e += 127 - 15;
		1230
		1231	return s | (e << 23) | (m << (23 - 10));
		1232	}
		1233
		1234	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1235	ecb_function_ ecb_const uint16_t
		1236	ecb_binary32_to_binary16 (uint32_t x)
		1237	{
		1238	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1239	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1240	unsigned int m = x & 0x007fffff;
		1241
		1242	x &= 0x7fffffff;
		1243
		1244	/* if it's within range of binary16 normals, use fast path */
		1245	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1246	{
		1247	/* mantissa round-to-even */
		1248	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1249
		1250	/* handle overflow */
		1251	if (ecb_expect_false (m >= 0x00800000))
		1252	{
		1253	m >>= 1;
		1254	e += 1;
		1255	}
		1256
		1257	return s | (e << 10) | (m >> (23 - 10));
		1258	}
		1259
		1260	/* handle large numbers and infinity */
		1261	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1262	return s | 0x7c00;
		1263
		1264	/* handle zero, subnormals and small numbers */
		1265	if (ecb_expect_true (x < 0x38800000))
		1266	{
		1267	/* zero */
		1268	if (ecb_expect_true (!x))
		1269	return s;
		1270
		1271	/* handle subnormals */
		1272
		1273	/* too small, will be zero */
		1274	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1275	return s;
		1276
		1277	m |= 0x00800000; /* make implicit bit explicit */
		1278
		1279	/* very tricky - we need to round to the nearest e (+10) bit value */
		1280	{
		1281	unsigned int bits = 14 - e;
		1282	unsigned int half = (1 << (bits - 1)) - 1;
		1283	unsigned int even = (m >> bits) & 1;
		1284
		1285	/* if this overflows, we will end up with a normalised number */
		1286	m = (m + half + even) >> bits;
		1287	}
		1288
		1289	return s | m;
		1290	}
		1291
		1292	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1293	m >>= 13;
		1294
		1295	return s | 0x7c00 | m | !m;
		1296	}
		1297
		1298	/*******************************************************************************/
		1299	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1300
		1301	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1302	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1303	#if 0 \
		1304	|| __i386 || __i386__ \
		1305	|| ECB_GCC_AMD64 \
		1306	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1307	|| defined __s390__ || defined __s390x__ \
		1308	|| defined __mips__ \
		1309	|| defined __alpha__ \
		1310	|| defined __hppa__ \
		1311	|| defined __ia64__ \
		1312	|| defined __m68k__ \
		1313	|| defined __m88k__ \
		1314	|| defined __sh__ \
		1315	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1316	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1317	|| defined __aarch64__
		1318	#define ECB_STDFP 1
		1319	#include <string.h> /* for memcpy */
		1320	#else
		1321	#define ECB_STDFP 0
		1322	#endif
		1323
		1324	#ifndef ECB_NO_LIBM
		1325
		1326	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1327
		1328	/* only the oldest of old doesn't have this one. solaris. */
		1329	#ifdef INFINITY
		1330	#define ECB_INFINITY INFINITY
		1331	#else
		1332	#define ECB_INFINITY HUGE_VAL
		1333	#endif
		1334
		1335	#ifdef NAN
		1336	#define ECB_NAN NAN
		1337	#else
		1338	#define ECB_NAN ECB_INFINITY
		1339	#endif
		1340
		1341	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1342	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1343	#define ecb_frexpf(x,e) frexpf ((x), (e))
		1344	#else
		1345	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
		1346	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
		1347	#endif
		1348
		1349	/* convert a float to ieee single/binary32 */
		1350	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
		1351	ecb_function_ ecb_const uint32_t
		1352	ecb_float_to_binary32 (float x)
		1353	{
		1354	uint32_t r;
		1355
		1356	#if ECB_STDFP
		1357	memcpy (&r, &x, 4);
		1358	#else
		1359	/* slow emulation, works for anything but -0 */
		1360	uint32_t m;
		1361	int e;
		1362
		1363	if (x == 0e0f ) return 0x00000000U;
		1364	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1365	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1366	if (x != x ) return 0x7fbfffffU;
		1367
		1368	m = ecb_frexpf (x, &e) * 0x1000000U;
		1369
		1370	r = m & 0x80000000U;
		1371
		1372	if (r)
		1373	m = -m;
		1374
		1375	if (e <= -126)
		1376	{
		1377	m &= 0xffffffU;
		1378	m >>= (-125 - e);
		1379	e = -126;
		1380	}
		1381
		1382	r |= (e + 126) << 23;
		1383	r |= m & 0x7fffffU;
		1384	#endif
		1385
		1386	return r;
		1387	}
		1388
		1389	/* converts an ieee single/binary32 to a float */
		1390	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
		1391	ecb_function_ ecb_const float
		1392	ecb_binary32_to_float (uint32_t x)
		1393	{
		1394	float r;
		1395
		1396	#if ECB_STDFP
		1397	memcpy (&r, &x, 4);
		1398	#else
		1399	/* emulation, only works for normals and subnormals and +0 */
		1400	int neg = x >> 31;
		1401	int e = (x >> 23) & 0xffU;
		1402
		1403	x &= 0x7fffffU;
		1404
		1405	if (e)
		1406	x |= 0x800000U;
		1407	else
		1408	e = 1;
		1409
		1410	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1411	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
		1412
		1413	r = neg ? -r : r;
		1414	#endif
		1415
		1416	return r;
		1417	}
		1418
		1419	/* convert a double to ieee double/binary64 */
		1420	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
		1421	ecb_function_ ecb_const uint64_t
		1422	ecb_double_to_binary64 (double x)
		1423	{
		1424	uint64_t r;
		1425
		1426	#if ECB_STDFP
		1427	memcpy (&r, &x, 8);
		1428	#else
		1429	/* slow emulation, works for anything but -0 */
		1430	uint64_t m;
		1431	int e;
		1432
		1433	if (x == 0e0 ) return 0x0000000000000000U;
		1434	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1435	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1436	if (x != x ) return 0X7ff7ffffffffffffU;
		1437
		1438	m = frexp (x, &e) * 0x20000000000000U;
		1439
		1440	r = m & 0x8000000000000000;;
		1441
		1442	if (r)
		1443	m = -m;
		1444
		1445	if (e <= -1022)
		1446	{
		1447	m &= 0x1fffffffffffffU;
		1448	m >>= (-1021 - e);
		1449	e = -1022;
		1450	}
		1451
		1452	r |= ((uint64_t)(e + 1022)) << 52;
		1453	r |= m & 0xfffffffffffffU;
		1454	#endif
		1455
		1456	return r;
		1457	}
		1458
		1459	/* converts an ieee double/binary64 to a double */
		1460	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
		1461	ecb_function_ ecb_const double
		1462	ecb_binary64_to_double (uint64_t x)
		1463	{
		1464	double r;
		1465
		1466	#if ECB_STDFP
		1467	memcpy (&r, &x, 8);
		1468	#else
		1469	/* emulation, only works for normals and subnormals and +0 */
		1470	int neg = x >> 63;
		1471	int e = (x >> 52) & 0x7ffU;
		1472
		1473	x &= 0xfffffffffffffU;
		1474
		1475	if (e)
		1476	x |= 0x10000000000000U;
		1477	else
		1478	e = 1;
		1479
		1480	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1481	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1482
		1483	r = neg ? -r : r;
		1484	#endif
		1485
		1486	return r;
		1487	}
		1488
		1489	/* convert a float to ieee half/binary16 */
		1490	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1491	ecb_function_ ecb_const uint16_t
		1492	ecb_float_to_binary16 (float x)
		1493	{
		1494	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1495	}
		1496
		1497	/* convert an ieee half/binary16 to float */
		1498	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1499	ecb_function_ ecb_const float
		1500	ecb_binary16_to_float (uint16_t x)
		1501	{
		1502	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1503	}
		1504
		1505	#endif
		1506
932	#endif	1507	#endif
933		1508
934	/* ECB.H END */	1509	/* ECB.H END */
935		1510
936	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1511	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
…		…
957	#define inline_size ecb_inline	1532	#define inline_size ecb_inline
958		1533
959	#if EV_FEATURE_CODE	1534	#if EV_FEATURE_CODE
960	# define inline_speed ecb_inline	1535	# define inline_speed ecb_inline
961	#else	1536	#else
962	# define inline_speed static noinline	1537	# define inline_speed noinline static
963	#endif	1538	#endif
964		1539
965	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1540	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
966		1541
967	#if EV_MINPRI == EV_MAXPRI	1542	#if EV_MINPRI == EV_MAXPRI
…		…
1014	#else	1589	#else
1015		1590
1016	#include <float.h>	1591	#include <float.h>
1017		1592
1018	/* a floor() replacement function, should be independent of ev_tstamp type */	1593	/* a floor() replacement function, should be independent of ev_tstamp type */
		1594	noinline
1019	static ev_tstamp noinline	1595	static ev_tstamp
1020	ev_floor (ev_tstamp v)	1596	ev_floor (ev_tstamp v)
1021	{	1597	{
1022	/* the choice of shift factor is not terribly important */	1598	/* the choice of shift factor is not terribly important */
1023	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1599	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1024	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1600	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1056		1632
1057	#ifdef __linux	1633	#ifdef __linux
1058	# include <sys/utsname.h>	1634	# include <sys/utsname.h>
1059	#endif	1635	#endif
1060		1636
1061	static unsigned int noinline ecb_cold	1637	noinline ecb_cold
		1638	static unsigned int
1062	ev_linux_version (void)	1639	ev_linux_version (void)
1063	{	1640	{
1064	#ifdef __linux	1641	#ifdef __linux
1065	unsigned int v = 0;	1642	unsigned int v = 0;
1066	struct utsname buf;	1643	struct utsname buf;
…		…
1095	}	1672	}
1096		1673
1097	/*****************************************************************************/	1674	/*****************************************************************************/
1098		1675
1099	#if EV_AVOID_STDIO	1676	#if EV_AVOID_STDIO
1100	static void noinline ecb_cold	1677	noinline ecb_cold
		1678	static void
1101	ev_printerr (const char *msg)	1679	ev_printerr (const char *msg)
1102	{	1680	{
1103	write (STDERR_FILENO, msg, strlen (msg));	1681	write (STDERR_FILENO, msg, strlen (msg));
1104	}	1682	}
1105	#endif	1683	#endif
1106		1684
1107	static void (*syserr_cb)(const char *msg) EV_THROW;	1685	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1108		1686
1109	void ecb_cold	1687	ecb_cold
		1688	void
1110	ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW	1689	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1111	{	1690	{
1112	syserr_cb = cb;	1691	syserr_cb = cb;
1113	}	1692	}
1114		1693
1115	static void noinline ecb_cold	1694	noinline ecb_cold
		1695	static void
1116	ev_syserr (const char *msg)	1696	ev_syserr (const char *msg)
1117	{	1697	{
1118	if (!msg)	1698	if (!msg)
1119	msg = "(libev) system error";	1699	msg = "(libev) system error";
1120		1700
…		…
1133	abort ();	1713	abort ();
1134	}	1714	}
1135	}	1715	}
1136		1716
1137	static void *	1717	static void *
1138	ev_realloc_emul (void *ptr, long size)	1718	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1139	{	1719	{
1140	#if __GLIBC__
1141	return realloc (ptr, size);
1142	#else
1143	/* some systems, notably openbsd and darwin, fail to properly	1720	/* some systems, notably openbsd and darwin, fail to properly
1144	* implement realloc (x, 0) (as required by both ansi c-89 and	1721	* implement realloc (x, 0) (as required by both ansi c-89 and
1145	* the single unix specification, so work around them here.	1722	* the single unix specification, so work around them here.
		1723	* recently, also (at least) fedora and debian started breaking it,
		1724	* despite documenting it otherwise.
1146	*/	1725	*/
1147		1726
1148	if (size)	1727	if (size)
1149	return realloc (ptr, size);	1728	return realloc (ptr, size);
1150		1729
1151	free (ptr);	1730	free (ptr);
1152	return 0;	1731	return 0;
1153	#endif
1154	}	1732	}
1155		1733
1156	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1734	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1157		1735
1158	void ecb_cold	1736	ecb_cold
		1737	void
1159	ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW	1738	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1160	{	1739	{
1161	alloc = cb;	1740	alloc = cb;
1162	}	1741	}
1163		1742
1164	inline_speed void *	1743	inline_speed void *
…		…
1281		1860
1282	/*****************************************************************************/	1861	/*****************************************************************************/
1283		1862
1284	#ifndef EV_HAVE_EV_TIME	1863	#ifndef EV_HAVE_EV_TIME
1285	ev_tstamp	1864	ev_tstamp
1286	ev_time (void) EV_THROW	1865	ev_time (void) EV_NOEXCEPT
1287	{	1866	{
1288	#if EV_USE_REALTIME	1867	#if EV_USE_REALTIME
1289	if (expect_true (have_realtime))	1868	if (expect_true (have_realtime))
1290	{	1869	{
1291	struct timespec ts;	1870	struct timespec ts;
…		…
1315	return ev_time ();	1894	return ev_time ();
1316	}	1895	}
1317		1896
1318	#if EV_MULTIPLICITY	1897	#if EV_MULTIPLICITY
1319	ev_tstamp	1898	ev_tstamp
1320	ev_now (EV_P) EV_THROW	1899	ev_now (EV_P) EV_NOEXCEPT
1321	{	1900	{
1322	return ev_rt_now;	1901	return ev_rt_now;
1323	}	1902	}
1324	#endif	1903	#endif
1325		1904
1326	void	1905	void
1327	ev_sleep (ev_tstamp delay) EV_THROW	1906	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1328	{	1907	{
1329	if (delay > 0.)	1908	if (delay > 0.)
1330	{	1909	{
1331	#if EV_USE_NANOSLEEP	1910	#if EV_USE_NANOSLEEP
1332	struct timespec ts;	1911	struct timespec ts;
1333		1912
1334	EV_TS_SET (ts, delay);	1913	EV_TS_SET (ts, delay);
1335	nanosleep (&ts, 0);	1914	nanosleep (&ts, 0);
1336	#elif defined _WIN32	1915	#elif defined _WIN32
		1916	/* maybe this should round up, as ms is very low resolution */
		1917	/* compared to select (µs) or nanosleep (ns) */
1337	Sleep ((unsigned long)(delay * 1e3));	1918	Sleep ((unsigned long)(delay * 1e3));
1338	#else	1919	#else
1339	struct timeval tv;	1920	struct timeval tv;
1340		1921
1341	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1922	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1372	}	1953	}
1373		1954
1374	return ncur;	1955	return ncur;
1375	}	1956	}
1376		1957
1377	static void * noinline ecb_cold	1958	noinline ecb_cold
		1959	static void *
1378	array_realloc (int elem, void *base, int *cur, int cnt)	1960	array_realloc (int elem, void *base, int *cur, int cnt)
1379	{	1961	{
1380	*cur = array_nextsize (elem, *cur, cnt);	1962	*cur = array_nextsize (elem, *cur, cnt);
1381	return ev_realloc (base, elem * *cur);	1963	return ev_realloc (base, elem * *cur);
1382	}	1964	}
…		…
1385	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1967	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1386		1968
1387	#define array_needsize(type,base,cur,cnt,init) \	1969	#define array_needsize(type,base,cur,cnt,init) \
1388	if (expect_false ((cnt) > (cur))) \	1970	if (expect_false ((cnt) > (cur))) \
1389	{ \	1971	{ \
1390	int ecb_unused ocur_ = (cur); \	1972	ecb_unused int ocur_ = (cur); \
1391	(base) = (type *)array_realloc \	1973	(base) = (type *)array_realloc \
1392	(sizeof (type), (base), &(cur), (cnt)); \	1974	(sizeof (type), (base), &(cur), (cnt)); \
1393	init ((base) + (ocur_), (cur) - ocur_); \	1975	init ((base) + (ocur_), (cur) - ocur_); \
1394	}	1976	}
1395		1977
…		…
1407	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	1989	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1408		1990
1409	/*****************************************************************************/	1991	/*****************************************************************************/
1410		1992
1411	/* dummy callback for pending events */	1993	/* dummy callback for pending events */
1412	static void noinline	1994	noinline
		1995	static void
1413	pendingcb (EV_P_ ev_prepare *w, int revents)	1996	pendingcb (EV_P_ ev_prepare *w, int revents)
1414	{	1997	{
1415	}	1998	}
1416		1999
1417	void noinline	2000	noinline
		2001	void
1418	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2002	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1419	{	2003	{
1420	W w_ = (W)w;	2004	W w_ = (W)w;
1421	int pri = ABSPRI (w_);	2005	int pri = ABSPRI (w_);
1422		2006
1423	if (expect_false (w_->pending))	2007	if (expect_false (w_->pending))
…		…
1484	if (expect_true (!anfd->reify))	2068	if (expect_true (!anfd->reify))
1485	fd_event_nocheck (EV_A_ fd, revents);	2069	fd_event_nocheck (EV_A_ fd, revents);
1486	}	2070	}
1487		2071
1488	void	2072	void
1489	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2073	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1490	{	2074	{
1491	if (fd >= 0 && fd < anfdmax)	2075	if (fd >= 0 && fd < anfdmax)
1492	fd_event_nocheck (EV_A_ fd, revents);	2076	fd_event_nocheck (EV_A_ fd, revents);
1493	}	2077	}
1494		2078
…		…
1552		2136
1553	fdchangecnt = 0;	2137	fdchangecnt = 0;
1554	}	2138	}
1555		2139
1556	/* something about the given fd changed */	2140	/* something about the given fd changed */
1557	inline_size void	2141	inline_size
		2142	void
1558	fd_change (EV_P_ int fd, int flags)	2143	fd_change (EV_P_ int fd, int flags)
1559	{	2144	{
1560	unsigned char reify = anfds [fd].reify;	2145	unsigned char reify = anfds [fd].reify;
1561	anfds [fd].reify |= flags;	2146	anfds [fd].reify |= flags;
1562		2147
…		…
1567	fdchanges [fdchangecnt - 1] = fd;	2152	fdchanges [fdchangecnt - 1] = fd;
1568	}	2153	}
1569	}	2154	}
1570		2155
1571	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2156	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1572	inline_speed void ecb_cold	2157	inline_speed ecb_cold void
1573	fd_kill (EV_P_ int fd)	2158	fd_kill (EV_P_ int fd)
1574	{	2159	{
1575	ev_io *w;	2160	ev_io *w;
1576		2161
1577	while ((w = (ev_io *)anfds [fd].head))	2162	while ((w = (ev_io *)anfds [fd].head))
…		…
1580	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2165	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1581	}	2166	}
1582	}	2167	}
1583		2168
1584	/* check whether the given fd is actually valid, for error recovery */	2169	/* check whether the given fd is actually valid, for error recovery */
1585	inline_size int ecb_cold	2170	inline_size ecb_cold int
1586	fd_valid (int fd)	2171	fd_valid (int fd)
1587	{	2172	{
1588	#ifdef _WIN32	2173	#ifdef _WIN32
1589	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2174	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1590	#else	2175	#else
1591	return fcntl (fd, F_GETFD) != -1;	2176	return fcntl (fd, F_GETFD) != -1;
1592	#endif	2177	#endif
1593	}	2178	}
1594		2179
1595	/* called on EBADF to verify fds */	2180	/* called on EBADF to verify fds */
1596	static void noinline ecb_cold	2181	noinline ecb_cold
		2182	static void
1597	fd_ebadf (EV_P)	2183	fd_ebadf (EV_P)
1598	{	2184	{
1599	int fd;	2185	int fd;
1600		2186
1601	for (fd = 0; fd < anfdmax; ++fd)	2187	for (fd = 0; fd < anfdmax; ++fd)
…		…
1603	if (!fd_valid (fd) && errno == EBADF)	2189	if (!fd_valid (fd) && errno == EBADF)
1604	fd_kill (EV_A_ fd);	2190	fd_kill (EV_A_ fd);
1605	}	2191	}
1606		2192
1607	/* called on ENOMEM in select/poll to kill some fds and retry */	2193	/* called on ENOMEM in select/poll to kill some fds and retry */
1608	static void noinline ecb_cold	2194	noinline ecb_cold
		2195	static void
1609	fd_enomem (EV_P)	2196	fd_enomem (EV_P)
1610	{	2197	{
1611	int fd;	2198	int fd;
1612		2199
1613	for (fd = anfdmax; fd--; )	2200	for (fd = anfdmax; fd--; )
…		…
1617	break;	2204	break;
1618	}	2205	}
1619	}	2206	}
1620		2207
1621	/* usually called after fork if backend needs to re-arm all fds from scratch */	2208	/* usually called after fork if backend needs to re-arm all fds from scratch */
1622	static void noinline	2209	noinline
		2210	static void
1623	fd_rearm_all (EV_P)	2211	fd_rearm_all (EV_P)
1624	{	2212	{
1625	int fd;	2213	int fd;
1626		2214
1627	for (fd = 0; fd < anfdmax; ++fd)	2215	for (fd = 0; fd < anfdmax; ++fd)
…		…
1808		2396
1809	/*****************************************************************************/	2397	/*****************************************************************************/
1810		2398
1811	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2399	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1812		2400
1813	static void noinline ecb_cold	2401	noinline ecb_cold
		2402	static void
1814	evpipe_init (EV_P)	2403	evpipe_init (EV_P)
1815	{	2404	{
1816	if (!ev_is_active (&pipe_w))	2405	if (!ev_is_active (&pipe_w))
1817	{	2406	{
		2407	int fds [2];
		2408
1818	# if EV_USE_EVENTFD	2409	# if EV_USE_EVENTFD
		2410	fds [0] = -1;
1819	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2411	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1820	if (evfd < 0 && errno == EINVAL)	2412	if (fds [1] < 0 && errno == EINVAL)
1821	evfd = eventfd (0, 0);	2413	fds [1] = eventfd (0, 0);
1822		2414
1823	if (evfd >= 0)	2415	if (fds [1] < 0)
1824	{
1825	evpipe [0] = -1;
1826	fd_intern (evfd); /* doing it twice doesn't hurt */
1827	ev_io_set (&pipe_w, evfd, EV_READ);
1828	}
1829	else
1830	# endif	2416	# endif
1831	{	2417	{
1832	while (pipe (evpipe))	2418	while (pipe (fds))
1833	ev_syserr ("(libev) error creating signal/async pipe");	2419	ev_syserr ("(libev) error creating signal/async pipe");
1834		2420
1835	fd_intern (evpipe [0]);	2421	fd_intern (fds [0]);
1836	fd_intern (evpipe [1]);
1837	ev_io_set (&pipe_w, evpipe [0], EV_READ);
1838	}	2422	}
1839		2423
		2424	evpipe [0] = fds [0];
		2425
		2426	if (evpipe [1] < 0)
		2427	evpipe [1] = fds [1]; /* first call, set write fd */
		2428	else
		2429	{
		2430	/* on subsequent calls, do not change evpipe [1] */
		2431	/* so that evpipe_write can always rely on its value. */
		2432	/* this branch does not do anything sensible on windows, */
		2433	/* so must not be executed on windows */
		2434
		2435	dup2 (fds [1], evpipe [1]);
		2436	close (fds [1]);
		2437	}
		2438
		2439	fd_intern (evpipe [1]);
		2440
		2441	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
1840	ev_io_start (EV_A_ &pipe_w);	2442	ev_io_start (EV_A_ &pipe_w);
1841	ev_unref (EV_A); /* watcher should not keep loop alive */	2443	ev_unref (EV_A); /* watcher should not keep loop alive */
1842	}	2444	}
1843	}	2445	}
1844		2446
…		…
1849		2451
1850	if (expect_true (*flag))	2452	if (expect_true (*flag))
1851	return;	2453	return;
1852		2454
1853	*flag = 1;	2455	*flag = 1;
1854
1855	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2456	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1856		2457
1857	pipe_write_skipped = 1;	2458	pipe_write_skipped = 1;
1858		2459
1859	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */	2460	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1860		2461
1861	if (pipe_write_wanted)	2462	if (pipe_write_wanted)
1862	{	2463	{
1863	int old_errno;	2464	int old_errno;
1864		2465
1865	pipe_write_skipped = 0; /* just an optimisation, no fence needed */	2466	pipe_write_skipped = 0;
		2467	ECB_MEMORY_FENCE_RELEASE;
1866		2468
1867	old_errno = errno; /* save errno because write will clobber it */	2469	old_errno = errno; /* save errno because write will clobber it */
1868		2470
1869	#if EV_USE_EVENTFD	2471	#if EV_USE_EVENTFD
1870	if (evfd >= 0)	2472	if (evpipe [0] < 0)
1871	{	2473	{
1872	uint64_t counter = 1;	2474	uint64_t counter = 1;
1873	write (evfd, &counter, sizeof (uint64_t));	2475	write (evpipe [1], &counter, sizeof (uint64_t));
1874	}	2476	}
1875	else	2477	else
1876	#endif	2478	#endif
1877	{	2479	{
1878	#ifdef _WIN32	2480	#ifdef _WIN32
1879	WSABUF buf;	2481	WSABUF buf;
1880	DWORD sent;	2482	DWORD sent;
1881	buf.buf = &buf;	2483	buf.buf = (char *)&buf;
1882	buf.len = 1;	2484	buf.len = 1;
1883	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2485	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1884	#else	2486	#else
1885	write (evpipe [1], &(evpipe [1]), 1);	2487	write (evpipe [1], &(evpipe [1]), 1);
1886	#endif	2488	#endif
…		…
1898	int i;	2500	int i;
1899		2501
1900	if (revents & EV_READ)	2502	if (revents & EV_READ)
1901	{	2503	{
1902	#if EV_USE_EVENTFD	2504	#if EV_USE_EVENTFD
1903	if (evfd >= 0)	2505	if (evpipe [0] < 0)
1904	{	2506	{
1905	uint64_t counter;	2507	uint64_t counter;
1906	read (evfd, &counter, sizeof (uint64_t));	2508	read (evpipe [1], &counter, sizeof (uint64_t));
1907	}	2509	}
1908	else	2510	else
1909	#endif	2511	#endif
1910	{	2512	{
1911	char dummy[4];	2513	char dummy[4];
…		…
1929	#if EV_SIGNAL_ENABLE	2531	#if EV_SIGNAL_ENABLE
1930	if (sig_pending)	2532	if (sig_pending)
1931	{	2533	{
1932	sig_pending = 0;	2534	sig_pending = 0;
1933		2535
1934	ECB_MEMORY_FENCE_RELEASE;	2536	ECB_MEMORY_FENCE;
1935		2537
1936	for (i = EV_NSIG - 1; i--; )	2538	for (i = EV_NSIG - 1; i--; )
1937	if (expect_false (signals [i].pending))	2539	if (expect_false (signals [i].pending))
1938	ev_feed_signal_event (EV_A_ i + 1);	2540	ev_feed_signal_event (EV_A_ i + 1);
1939	}	2541	}
…		…
1942	#if EV_ASYNC_ENABLE	2544	#if EV_ASYNC_ENABLE
1943	if (async_pending)	2545	if (async_pending)
1944	{	2546	{
1945	async_pending = 0;	2547	async_pending = 0;
1946		2548
1947	ECB_MEMORY_FENCE_RELEASE;	2549	ECB_MEMORY_FENCE;
1948		2550
1949	for (i = asynccnt; i--; )	2551	for (i = asynccnt; i--; )
1950	if (asyncs [i]->sent)	2552	if (asyncs [i]->sent)
1951	{	2553	{
1952	asyncs [i]->sent = 0;	2554	asyncs [i]->sent = 0;
		2555	ECB_MEMORY_FENCE_RELEASE;
1953	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2556	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1954	}	2557	}
1955	}	2558	}
1956	#endif	2559	#endif
1957	}	2560	}
1958		2561
1959	/*****************************************************************************/	2562	/*****************************************************************************/
1960		2563
1961	void	2564	void
1962	ev_feed_signal (int signum) EV_THROW	2565	ev_feed_signal (int signum) EV_NOEXCEPT
1963	{	2566	{
1964	#if EV_MULTIPLICITY	2567	#if EV_MULTIPLICITY
		2568	EV_P;
		2569	ECB_MEMORY_FENCE_ACQUIRE;
1965	EV_P = signals [signum - 1].loop;	2570	EV_A = signals [signum - 1].loop;
1966		2571
1967	if (!EV_A)	2572	if (!EV_A)
1968	return;	2573	return;
1969	#endif	2574	#endif
1970		2575
1971	if (!ev_active (&pipe_w))
1972	return;
1973
1974	signals [signum - 1].pending = 1;	2576	signals [signum - 1].pending = 1;
1975	evpipe_write (EV_A_ &sig_pending);	2577	evpipe_write (EV_A_ &sig_pending);
1976	}	2578	}
1977		2579
1978	static void	2580	static void
…		…
1983	#endif	2585	#endif
1984		2586
1985	ev_feed_signal (signum);	2587	ev_feed_signal (signum);
1986	}	2588	}
1987		2589
1988	void noinline	2590	noinline
		2591	void
1989	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2592	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
1990	{	2593	{
1991	WL w;	2594	WL w;
1992		2595
1993	if (expect_false (signum <= 0 || signum > EV_NSIG))	2596	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1994	return;	2597	return;
1995		2598
1996	--signum;	2599	--signum;
1997		2600
1998	#if EV_MULTIPLICITY	2601	#if EV_MULTIPLICITY
…		…
2002	if (expect_false (signals [signum].loop != EV_A))	2605	if (expect_false (signals [signum].loop != EV_A))
2003	return;	2606	return;
2004	#endif	2607	#endif
2005		2608
2006	signals [signum].pending = 0;	2609	signals [signum].pending = 0;
		2610	ECB_MEMORY_FENCE_RELEASE;
2007		2611
2008	for (w = signals [signum].head; w; w = w->next)	2612	for (w = signals [signum].head; w; w = w->next)
2009	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2613	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
2010	}	2614	}
2011		2615
…		…
2109	#endif	2713	#endif
2110	#if EV_USE_SELECT	2714	#if EV_USE_SELECT
2111	# include "ev_select.c"	2715	# include "ev_select.c"
2112	#endif	2716	#endif
2113		2717
2114	int ecb_cold	2718	ecb_cold int
2115	ev_version_major (void) EV_THROW	2719	ev_version_major (void) EV_NOEXCEPT
2116	{	2720	{
2117	return EV_VERSION_MAJOR;	2721	return EV_VERSION_MAJOR;
2118	}	2722	}
2119		2723
2120	int ecb_cold	2724	ecb_cold int
2121	ev_version_minor (void) EV_THROW	2725	ev_version_minor (void) EV_NOEXCEPT
2122	{	2726	{
2123	return EV_VERSION_MINOR;	2727	return EV_VERSION_MINOR;
2124	}	2728	}
2125		2729
2126	/* return true if we are running with elevated privileges and should ignore env variables */	2730	/* return true if we are running with elevated privileges and should ignore env variables */
2127	int inline_size ecb_cold	2731	inline_size ecb_cold int
2128	enable_secure (void)	2732	enable_secure (void)
2129	{	2733	{
2130	#ifdef _WIN32	2734	#ifdef _WIN32
2131	return 0;	2735	return 0;
2132	#else	2736	#else
2133	return getuid () != geteuid ()	2737	return getuid () != geteuid ()
2134	|| getgid () != getegid ();	2738	|| getgid () != getegid ();
2135	#endif	2739	#endif
2136	}	2740	}
2137		2741
2138	unsigned int ecb_cold	2742	ecb_cold
		2743	unsigned int
2139	ev_supported_backends (void) EV_THROW	2744	ev_supported_backends (void) EV_NOEXCEPT
2140	{	2745	{
2141	unsigned int flags = 0;	2746	unsigned int flags = 0;
2142		2747
2143	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2748	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2144	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2749	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2147	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2752	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
2148		2753
2149	return flags;	2754	return flags;
2150	}	2755	}
2151		2756
2152	unsigned int ecb_cold	2757	ecb_cold
		2758	unsigned int
2153	ev_recommended_backends (void) EV_THROW	2759	ev_recommended_backends (void) EV_NOEXCEPT
2154	{	2760	{
2155	unsigned int flags = ev_supported_backends ();	2761	unsigned int flags = ev_supported_backends ();
2156		2762
2157	#ifndef __NetBSD__	2763	#ifndef __NetBSD__
2158	/* kqueue is borked on everything but netbsd apparently */	2764	/* kqueue is borked on everything but netbsd apparently */
…		…
2169	#endif	2775	#endif
2170		2776
2171	return flags;	2777	return flags;
2172	}	2778	}
2173		2779
2174	unsigned int ecb_cold	2780	ecb_cold
		2781	unsigned int
2175	ev_embeddable_backends (void) EV_THROW	2782	ev_embeddable_backends (void) EV_NOEXCEPT
2176	{	2783	{
2177	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2784	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2178		2785
2179	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2786	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2180	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2787	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2182		2789
2183	return flags;	2790	return flags;
2184	}	2791	}
2185		2792
2186	unsigned int	2793	unsigned int
2187	ev_backend (EV_P) EV_THROW	2794	ev_backend (EV_P) EV_NOEXCEPT
2188	{	2795	{
2189	return backend;	2796	return backend;
2190	}	2797	}
2191		2798
2192	#if EV_FEATURE_API	2799	#if EV_FEATURE_API
2193	unsigned int	2800	unsigned int
2194	ev_iteration (EV_P) EV_THROW	2801	ev_iteration (EV_P) EV_NOEXCEPT
2195	{	2802	{
2196	return loop_count;	2803	return loop_count;
2197	}	2804	}
2198		2805
2199	unsigned int	2806	unsigned int
2200	ev_depth (EV_P) EV_THROW	2807	ev_depth (EV_P) EV_NOEXCEPT
2201	{	2808	{
2202	return loop_depth;	2809	return loop_depth;
2203	}	2810	}
2204		2811
2205	void	2812	void
2206	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2813	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2207	{	2814	{
2208	io_blocktime = interval;	2815	io_blocktime = interval;
2209	}	2816	}
2210		2817
2211	void	2818	void
2212	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2819	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2213	{	2820	{
2214	timeout_blocktime = interval;	2821	timeout_blocktime = interval;
2215	}	2822	}
2216		2823
2217	void	2824	void
2218	ev_set_userdata (EV_P_ void *data) EV_THROW	2825	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2219	{	2826	{
2220	userdata = data;	2827	userdata = data;
2221	}	2828	}
2222		2829
2223	void *	2830	void *
2224	ev_userdata (EV_P) EV_THROW	2831	ev_userdata (EV_P) EV_NOEXCEPT
2225	{	2832	{
2226	return userdata;	2833	return userdata;
2227	}	2834	}
2228		2835
2229	void	2836	void
2230	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW	2837	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2231	{	2838	{
2232	invoke_cb = invoke_pending_cb;	2839	invoke_cb = invoke_pending_cb;
2233	}	2840	}
2234		2841
2235	void	2842	void
2236	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW	2843	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2237	{	2844	{
2238	release_cb = release;	2845	release_cb = release;
2239	acquire_cb = acquire;	2846	acquire_cb = acquire;
2240	}	2847	}
2241	#endif	2848	#endif
2242		2849
2243	/* initialise a loop structure, must be zero-initialised */	2850	/* initialise a loop structure, must be zero-initialised */
2244	static void noinline ecb_cold	2851	noinline ecb_cold
		2852	static void
2245	loop_init (EV_P_ unsigned int flags) EV_THROW	2853	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2246	{	2854	{
2247	if (!backend)	2855	if (!backend)
2248	{	2856	{
2249	origflags = flags;	2857	origflags = flags;
2250		2858
…		…
2295	#if EV_ASYNC_ENABLE	2903	#if EV_ASYNC_ENABLE
2296	async_pending = 0;	2904	async_pending = 0;
2297	#endif	2905	#endif
2298	pipe_write_skipped = 0;	2906	pipe_write_skipped = 0;
2299	pipe_write_wanted = 0;	2907	pipe_write_wanted = 0;
		2908	evpipe [0] = -1;
		2909	evpipe [1] = -1;
2300	#if EV_USE_INOTIFY	2910	#if EV_USE_INOTIFY
2301	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2911	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2302	#endif	2912	#endif
2303	#if EV_USE_SIGNALFD	2913	#if EV_USE_SIGNALFD
2304	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2914	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2334	#endif	2944	#endif
2335	}	2945	}
2336	}	2946	}
2337		2947
2338	/* free up a loop structure */	2948	/* free up a loop structure */
2339	void ecb_cold	2949	ecb_cold
		2950	void
2340	ev_loop_destroy (EV_P)	2951	ev_loop_destroy (EV_P)
2341	{	2952	{
2342	int i;	2953	int i;
2343		2954
2344	#if EV_MULTIPLICITY	2955	#if EV_MULTIPLICITY
…		…
2367	if (ev_is_active (&pipe_w))	2978	if (ev_is_active (&pipe_w))
2368	{	2979	{
2369	/*ev_ref (EV_A);*/	2980	/*ev_ref (EV_A);*/
2370	/*ev_io_stop (EV_A_ &pipe_w);*/	2981	/*ev_io_stop (EV_A_ &pipe_w);*/
2371		2982
2372	#if EV_USE_EVENTFD
2373	if (evfd >= 0)
2374	close (evfd);
2375	#endif
2376
2377	if (evpipe [0] >= 0)
2378	{
2379	EV_WIN32_CLOSE_FD (evpipe [0]);	2983	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2380	EV_WIN32_CLOSE_FD (evpipe [1]);	2984	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2381	}
2382	}	2985	}
2383		2986
2384	#if EV_USE_SIGNALFD	2987	#if EV_USE_SIGNALFD
2385	if (ev_is_active (&sigfd_w))	2988	if (ev_is_active (&sigfd_w))
2386	close (sigfd);	2989	close (sigfd);
…		…
2472	#endif	3075	#endif
2473	#if EV_USE_INOTIFY	3076	#if EV_USE_INOTIFY
2474	infy_fork (EV_A);	3077	infy_fork (EV_A);
2475	#endif	3078	#endif
2476		3079
		3080	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2477	if (ev_is_active (&pipe_w))	3081	if (ev_is_active (&pipe_w) && postfork != 2)
2478	{	3082	{
2479	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3083	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2480		3084
2481	ev_ref (EV_A);	3085	ev_ref (EV_A);
2482	ev_io_stop (EV_A_ &pipe_w);	3086	ev_io_stop (EV_A_ &pipe_w);
2483		3087
2484	#if EV_USE_EVENTFD
2485	if (evfd >= 0)
2486	close (evfd);
2487	#endif
2488
2489	if (evpipe [0] >= 0)	3088	if (evpipe [0] >= 0)
2490	{
2491	EV_WIN32_CLOSE_FD (evpipe [0]);	3089	EV_WIN32_CLOSE_FD (evpipe [0]);
2492	EV_WIN32_CLOSE_FD (evpipe [1]);
2493	}
2494		3090
2495	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2496	evpipe_init (EV_A);	3091	evpipe_init (EV_A);
2497	/* now iterate over everything, in case we missed something */	3092	/* iterate over everything, in case we missed something before */
2498	pipecb (EV_A_ &pipe_w, EV_READ);	3093	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2499	#endif
2500	}	3094	}
		3095	#endif
2501		3096
2502	postfork = 0;	3097	postfork = 0;
2503	}	3098	}
2504		3099
2505	#if EV_MULTIPLICITY	3100	#if EV_MULTIPLICITY
2506		3101
		3102	ecb_cold
2507	struct ev_loop * ecb_cold	3103	struct ev_loop *
2508	ev_loop_new (unsigned int flags) EV_THROW	3104	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2509	{	3105	{
2510	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3106	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2511		3107
2512	memset (EV_A, 0, sizeof (struct ev_loop));	3108	memset (EV_A, 0, sizeof (struct ev_loop));
2513	loop_init (EV_A_ flags);	3109	loop_init (EV_A_ flags);
…		…
2520	}	3116	}
2521		3117
2522	#endif /* multiplicity */	3118	#endif /* multiplicity */
2523		3119
2524	#if EV_VERIFY	3120	#if EV_VERIFY
2525	static void noinline ecb_cold	3121	noinline ecb_cold
		3122	static void
2526	verify_watcher (EV_P_ W w)	3123	verify_watcher (EV_P_ W w)
2527	{	3124	{
2528	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3125	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2529		3126
2530	if (w->pending)	3127	if (w->pending)
2531	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3128	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2532	}	3129	}
2533		3130
2534	static void noinline ecb_cold	3131	noinline ecb_cold
		3132	static void
2535	verify_heap (EV_P_ ANHE *heap, int N)	3133	verify_heap (EV_P_ ANHE *heap, int N)
2536	{	3134	{
2537	int i;	3135	int i;
2538		3136
2539	for (i = HEAP0; i < N + HEAP0; ++i)	3137	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2544		3142
2545	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3143	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2546	}	3144	}
2547	}	3145	}
2548		3146
2549	static void noinline ecb_cold	3147	noinline ecb_cold
		3148	static void
2550	array_verify (EV_P_ W *ws, int cnt)	3149	array_verify (EV_P_ W *ws, int cnt)
2551	{	3150	{
2552	while (cnt--)	3151	while (cnt--)
2553	{	3152	{
2554	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3153	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2557	}	3156	}
2558	#endif	3157	#endif
2559		3158
2560	#if EV_FEATURE_API	3159	#if EV_FEATURE_API
2561	void ecb_cold	3160	void ecb_cold
2562	ev_verify (EV_P) EV_THROW	3161	ev_verify (EV_P) EV_NOEXCEPT
2563	{	3162	{
2564	#if EV_VERIFY	3163	#if EV_VERIFY
2565	int i;	3164	int i;
2566	WL w, w2;	3165	WL w, w2;
2567		3166
…		…
2643	#endif	3242	#endif
2644	}	3243	}
2645	#endif	3244	#endif
2646		3245
2647	#if EV_MULTIPLICITY	3246	#if EV_MULTIPLICITY
		3247	ecb_cold
2648	struct ev_loop * ecb_cold	3248	struct ev_loop *
2649	#else	3249	#else
2650	int	3250	int
2651	#endif	3251	#endif
2652	ev_default_loop (unsigned int flags) EV_THROW	3252	ev_default_loop (unsigned int flags) EV_NOEXCEPT
2653	{	3253	{
2654	if (!ev_default_loop_ptr)	3254	if (!ev_default_loop_ptr)
2655	{	3255	{
2656	#if EV_MULTIPLICITY	3256	#if EV_MULTIPLICITY
2657	EV_P = ev_default_loop_ptr = &default_loop_struct;	3257	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2676		3276
2677	return ev_default_loop_ptr;	3277	return ev_default_loop_ptr;
2678	}	3278	}
2679		3279
2680	void	3280	void
2681	ev_loop_fork (EV_P) EV_THROW	3281	ev_loop_fork (EV_P) EV_NOEXCEPT
2682	{	3282	{
2683	postfork = 1; /* must be in line with ev_default_fork */	3283	postfork = 1;
2684	}	3284	}
2685		3285
2686	/*****************************************************************************/	3286	/*****************************************************************************/
2687		3287
2688	void	3288	void
…		…
2690	{	3290	{
2691	EV_CB_INVOKE ((W)w, revents);	3291	EV_CB_INVOKE ((W)w, revents);
2692	}	3292	}
2693		3293
2694	unsigned int	3294	unsigned int
2695	ev_pending_count (EV_P) EV_THROW	3295	ev_pending_count (EV_P) EV_NOEXCEPT
2696	{	3296	{
2697	int pri;	3297	int pri;
2698	unsigned int count = 0;	3298	unsigned int count = 0;
2699		3299
2700	for (pri = NUMPRI; pri--; )	3300	for (pri = NUMPRI; pri--; )
2701	count += pendingcnt [pri];	3301	count += pendingcnt [pri];
2702		3302
2703	return count;	3303	return count;
2704	}	3304	}
2705		3305
2706	void noinline	3306	noinline
		3307	void
2707	ev_invoke_pending (EV_P)	3308	ev_invoke_pending (EV_P)
2708	{	3309	{
2709	for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */	3310	pendingpri = NUMPRI;
		3311
		3312	do
		3313	{
		3314	--pendingpri;
		3315
		3316	/* pendingpri possibly gets modified in the inner loop */
2710	while (pendingcnt [pendingpri])	3317	while (pendingcnt [pendingpri])
2711	{	3318	{
2712	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3319	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2713		3320
2714	p->w->pending = 0;	3321	p->w->pending = 0;
2715	EV_CB_INVOKE (p->w, p->events);	3322	EV_CB_INVOKE (p->w, p->events);
2716	EV_FREQUENT_CHECK;	3323	EV_FREQUENT_CHECK;
2717	}	3324	}
		3325	}
		3326	while (pendingpri);
2718	}	3327	}
2719		3328
2720	#if EV_IDLE_ENABLE	3329	#if EV_IDLE_ENABLE
2721	/* make idle watchers pending. this handles the "call-idle */	3330	/* make idle watchers pending. this handles the "call-idle */
2722	/* only when higher priorities are idle" logic */	3331	/* only when higher priorities are idle" logic */
…		…
2780	}	3389	}
2781	}	3390	}
2782		3391
2783	#if EV_PERIODIC_ENABLE	3392	#if EV_PERIODIC_ENABLE
2784		3393
2785	static void noinline	3394	noinline
		3395	static void
2786	periodic_recalc (EV_P_ ev_periodic *w)	3396	periodic_recalc (EV_P_ ev_periodic *w)
2787	{	3397	{
2788	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3398	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
2789	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3399	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
2790		3400
…		…
2812	{	3422	{
2813	EV_FREQUENT_CHECK;	3423	EV_FREQUENT_CHECK;
2814		3424
2815	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3425	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2816	{	3426	{
2817	int feed_count = 0;
2818
2819	do	3427	do
2820	{	3428	{
2821	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3429	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2822		3430
2823	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3431	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2850	}	3458	}
2851	}	3459	}
2852		3460
2853	/* simply recalculate all periodics */	3461	/* simply recalculate all periodics */
2854	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3462	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2855	static void noinline ecb_cold	3463	noinline ecb_cold
		3464	static void
2856	periodics_reschedule (EV_P)	3465	periodics_reschedule (EV_P)
2857	{	3466	{
2858	int i;	3467	int i;
2859		3468
2860	/* adjust periodics after time jump */	3469	/* adjust periodics after time jump */
…		…
2873	reheap (periodics, periodiccnt);	3482	reheap (periodics, periodiccnt);
2874	}	3483	}
2875	#endif	3484	#endif
2876		3485
2877	/* adjust all timers by a given offset */	3486	/* adjust all timers by a given offset */
2878	static void noinline ecb_cold	3487	noinline ecb_cold
		3488	static void
2879	timers_reschedule (EV_P_ ev_tstamp adjust)	3489	timers_reschedule (EV_P_ ev_tstamp adjust)
2880	{	3490	{
2881	int i;	3491	int i;
2882		3492
2883	for (i = 0; i < timercnt; ++i)	3493	for (i = 0; i < timercnt; ++i)
…		…
3082	backend_poll (EV_A_ waittime);	3692	backend_poll (EV_A_ waittime);
3083	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3693	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3084		3694
3085	pipe_write_wanted = 0; /* just an optimisation, no fence needed */	3695	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3086		3696
		3697	ECB_MEMORY_FENCE_ACQUIRE;
3087	if (pipe_write_skipped)	3698	if (pipe_write_skipped)
3088	{	3699	{
3089	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3700	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3090	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3701	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3091	}	3702	}
…		…
3129		3740
3130	return activecnt;	3741	return activecnt;
3131	}	3742	}
3132		3743
3133	void	3744	void
3134	ev_break (EV_P_ int how) EV_THROW	3745	ev_break (EV_P_ int how) EV_NOEXCEPT
3135	{	3746	{
3136	loop_done = how;	3747	loop_done = how;
3137	}	3748	}
3138		3749
3139	void	3750	void
3140	ev_ref (EV_P) EV_THROW	3751	ev_ref (EV_P) EV_NOEXCEPT
3141	{	3752	{
3142	++activecnt;	3753	++activecnt;
3143	}	3754	}
3144		3755
3145	void	3756	void
3146	ev_unref (EV_P) EV_THROW	3757	ev_unref (EV_P) EV_NOEXCEPT
3147	{	3758	{
3148	--activecnt;	3759	--activecnt;
3149	}	3760	}
3150		3761
3151	void	3762	void
3152	ev_now_update (EV_P) EV_THROW	3763	ev_now_update (EV_P) EV_NOEXCEPT
3153	{	3764	{
3154	time_update (EV_A_ 1e100);	3765	time_update (EV_A_ 1e100);
3155	}	3766	}
3156		3767
3157	void	3768	void
3158	ev_suspend (EV_P) EV_THROW	3769	ev_suspend (EV_P) EV_NOEXCEPT
3159	{	3770	{
3160	ev_now_update (EV_A);	3771	ev_now_update (EV_A);
3161	}	3772	}
3162		3773
3163	void	3774	void
3164	ev_resume (EV_P) EV_THROW	3775	ev_resume (EV_P) EV_NOEXCEPT
3165	{	3776	{
3166	ev_tstamp mn_prev = mn_now;	3777	ev_tstamp mn_prev = mn_now;
3167		3778
3168	ev_now_update (EV_A);	3779	ev_now_update (EV_A);
3169	timers_reschedule (EV_A_ mn_now - mn_prev);	3780	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3208	w->pending = 0;	3819	w->pending = 0;
3209	}	3820	}
3210	}	3821	}
3211		3822
3212	int	3823	int
3213	ev_clear_pending (EV_P_ void *w) EV_THROW	3824	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3214	{	3825	{
3215	W w_ = (W)w;	3826	W w_ = (W)w;
3216	int pending = w_->pending;	3827	int pending = w_->pending;
3217		3828
3218	if (expect_true (pending))	3829	if (expect_true (pending))
…		…
3250	w->active = 0;	3861	w->active = 0;
3251	}	3862	}
3252		3863
3253	/*****************************************************************************/	3864	/*****************************************************************************/
3254		3865
3255	void noinline	3866	noinline
		3867	void
3256	ev_io_start (EV_P_ ev_io *w) EV_THROW	3868	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3257	{	3869	{
3258	int fd = w->fd;	3870	int fd = w->fd;
3259		3871
3260	if (expect_false (ev_is_active (w)))	3872	if (expect_false (ev_is_active (w)))
3261	return;	3873	return;
…		…
3276	w->events &= ~EV__IOFDSET;	3888	w->events &= ~EV__IOFDSET;
3277		3889
3278	EV_FREQUENT_CHECK;	3890	EV_FREQUENT_CHECK;
3279	}	3891	}
3280		3892
3281	void noinline	3893	noinline
		3894	void
3282	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3895	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3283	{	3896	{
3284	clear_pending (EV_A_ (W)w);	3897	clear_pending (EV_A_ (W)w);
3285	if (expect_false (!ev_is_active (w)))	3898	if (expect_false (!ev_is_active (w)))
3286	return;	3899	return;
3287		3900
…		…
3295	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3908	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3296		3909
3297	EV_FREQUENT_CHECK;	3910	EV_FREQUENT_CHECK;
3298	}	3911	}
3299		3912
3300	void noinline	3913	noinline
		3914	void
3301	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3915	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3302	{	3916	{
3303	if (expect_false (ev_is_active (w)))	3917	if (expect_false (ev_is_active (w)))
3304	return;	3918	return;
3305		3919
3306	ev_at (w) += mn_now;	3920	ev_at (w) += mn_now;
…		…
3319	EV_FREQUENT_CHECK;	3933	EV_FREQUENT_CHECK;
3320		3934
3321	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3935	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3322	}	3936	}
3323		3937
3324	void noinline	3938	noinline
		3939	void
3325	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3940	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3326	{	3941	{
3327	clear_pending (EV_A_ (W)w);	3942	clear_pending (EV_A_ (W)w);
3328	if (expect_false (!ev_is_active (w)))	3943	if (expect_false (!ev_is_active (w)))
3329	return;	3944	return;
3330		3945
…		…
3349	ev_stop (EV_A_ (W)w);	3964	ev_stop (EV_A_ (W)w);
3350		3965
3351	EV_FREQUENT_CHECK;	3966	EV_FREQUENT_CHECK;
3352	}	3967	}
3353		3968
3354	void noinline	3969	noinline
		3970	void
3355	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	3971	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3356	{	3972	{
3357	EV_FREQUENT_CHECK;	3973	EV_FREQUENT_CHECK;
3358		3974
3359	clear_pending (EV_A_ (W)w);	3975	clear_pending (EV_A_ (W)w);
3360		3976
…		…
3377		3993
3378	EV_FREQUENT_CHECK;	3994	EV_FREQUENT_CHECK;
3379	}	3995	}
3380		3996
3381	ev_tstamp	3997	ev_tstamp
3382	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	3998	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3383	{	3999	{
3384	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4000	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3385	}	4001	}
3386		4002
3387	#if EV_PERIODIC_ENABLE	4003	#if EV_PERIODIC_ENABLE
3388	void noinline	4004	noinline
		4005	void
3389	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4006	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3390	{	4007	{
3391	if (expect_false (ev_is_active (w)))	4008	if (expect_false (ev_is_active (w)))
3392	return;	4009	return;
3393		4010
3394	if (w->reschedule_cb)	4011	if (w->reschedule_cb)
…		…
3413	EV_FREQUENT_CHECK;	4030	EV_FREQUENT_CHECK;
3414		4031
3415	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4032	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3416	}	4033	}
3417		4034
3418	void noinline	4035	noinline
		4036	void
3419	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4037	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3420	{	4038	{
3421	clear_pending (EV_A_ (W)w);	4039	clear_pending (EV_A_ (W)w);
3422	if (expect_false (!ev_is_active (w)))	4040	if (expect_false (!ev_is_active (w)))
3423	return;	4041	return;
3424		4042
…		…
3441	ev_stop (EV_A_ (W)w);	4059	ev_stop (EV_A_ (W)w);
3442		4060
3443	EV_FREQUENT_CHECK;	4061	EV_FREQUENT_CHECK;
3444	}	4062	}
3445		4063
3446	void noinline	4064	noinline
		4065	void
3447	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4066	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3448	{	4067	{
3449	/* TODO: use adjustheap and recalculation */	4068	/* TODO: use adjustheap and recalculation */
3450	ev_periodic_stop (EV_A_ w);	4069	ev_periodic_stop (EV_A_ w);
3451	ev_periodic_start (EV_A_ w);	4070	ev_periodic_start (EV_A_ w);
3452	}	4071	}
…		…
3456	# define SA_RESTART 0	4075	# define SA_RESTART 0
3457	#endif	4076	#endif
3458		4077
3459	#if EV_SIGNAL_ENABLE	4078	#if EV_SIGNAL_ENABLE
3460		4079
3461	void noinline	4080	noinline
		4081	void
3462	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4082	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3463	{	4083	{
3464	if (expect_false (ev_is_active (w)))	4084	if (expect_false (ev_is_active (w)))
3465	return;	4085	return;
3466		4086
3467	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4087	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3469	#if EV_MULTIPLICITY	4089	#if EV_MULTIPLICITY
3470	assert (("libev: a signal must not be attached to two different loops",	4090	assert (("libev: a signal must not be attached to two different loops",
3471	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	4091	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3472		4092
3473	signals [w->signum - 1].loop = EV_A;	4093	signals [w->signum - 1].loop = EV_A;
		4094	ECB_MEMORY_FENCE_RELEASE;
3474	#endif	4095	#endif
3475		4096
3476	EV_FREQUENT_CHECK;	4097	EV_FREQUENT_CHECK;
3477		4098
3478	#if EV_USE_SIGNALFD	4099	#if EV_USE_SIGNALFD
…		…
3537	}	4158	}
3538		4159
3539	EV_FREQUENT_CHECK;	4160	EV_FREQUENT_CHECK;
3540	}	4161	}
3541		4162
3542	void noinline	4163	noinline
		4164	void
3543	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4165	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3544	{	4166	{
3545	clear_pending (EV_A_ (W)w);	4167	clear_pending (EV_A_ (W)w);
3546	if (expect_false (!ev_is_active (w)))	4168	if (expect_false (!ev_is_active (w)))
3547	return;	4169	return;
3548		4170
…		…
3579	#endif	4201	#endif
3580		4202
3581	#if EV_CHILD_ENABLE	4203	#if EV_CHILD_ENABLE
3582		4204
3583	void	4205	void
3584	ev_child_start (EV_P_ ev_child *w) EV_THROW	4206	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3585	{	4207	{
3586	#if EV_MULTIPLICITY	4208	#if EV_MULTIPLICITY
3587	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4209	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3588	#endif	4210	#endif
3589	if (expect_false (ev_is_active (w)))	4211	if (expect_false (ev_is_active (w)))
…		…
3596		4218
3597	EV_FREQUENT_CHECK;	4219	EV_FREQUENT_CHECK;
3598	}	4220	}
3599		4221
3600	void	4222	void
3601	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4223	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3602	{	4224	{
3603	clear_pending (EV_A_ (W)w);	4225	clear_pending (EV_A_ (W)w);
3604	if (expect_false (!ev_is_active (w)))	4226	if (expect_false (!ev_is_active (w)))
3605	return;	4227	return;
3606		4228
…		…
3623		4245
3624	#define DEF_STAT_INTERVAL 5.0074891	4246	#define DEF_STAT_INTERVAL 5.0074891
3625	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4247	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3626	#define MIN_STAT_INTERVAL 0.1074891	4248	#define MIN_STAT_INTERVAL 0.1074891
3627		4249
3628	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4250	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3629		4251
3630	#if EV_USE_INOTIFY	4252	#if EV_USE_INOTIFY
3631		4253
3632	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4254	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3633	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4255	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3634		4256
3635	static void noinline	4257	noinline
		4258	static void
3636	infy_add (EV_P_ ev_stat *w)	4259	infy_add (EV_P_ ev_stat *w)
3637	{	4260	{
3638	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);	4261	w->wd = inotify_add_watch (fs_fd, w->path,
		4262	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		4263	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		4264	| IN_DONT_FOLLOW | IN_MASK_ADD);
3639		4265
3640	if (w->wd >= 0)	4266	if (w->wd >= 0)
3641	{	4267	{
3642	struct statfs sfs;	4268	struct statfs sfs;
3643		4269
…		…
3647		4273
3648	if (!fs_2625)	4274	if (!fs_2625)
3649	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4275	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3650	else if (!statfs (w->path, &sfs)	4276	else if (!statfs (w->path, &sfs)
3651	&& (sfs.f_type == 0x1373 /* devfs */	4277	&& (sfs.f_type == 0x1373 /* devfs */
		4278	|| sfs.f_type == 0x4006 /* fat */
		4279	|| sfs.f_type == 0x4d44 /* msdos */
3652	|| sfs.f_type == 0xEF53 /* ext2/3 */	4280	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4281	|| sfs.f_type == 0x72b6 /* jffs2 */
		4282	|| sfs.f_type == 0x858458f6 /* ramfs */
		4283	|| sfs.f_type == 0x5346544e /* ntfs */
3653	|| sfs.f_type == 0x3153464a /* jfs */	4284	|| sfs.f_type == 0x3153464a /* jfs */
		4285	|| sfs.f_type == 0x9123683e /* btrfs */
3654	|| sfs.f_type == 0x52654973 /* reiser3 */	4286	|| sfs.f_type == 0x52654973 /* reiser3 */
3655	|| sfs.f_type == 0x01021994 /* tempfs */	4287	|| sfs.f_type == 0x01021994 /* tmpfs */
3656	|| sfs.f_type == 0x58465342 /* xfs */))	4288	|| sfs.f_type == 0x58465342 /* xfs */))
3657	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4289	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3658	else	4290	else
3659	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4291	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3660	}	4292	}
…		…
3695	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4327	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3696	ev_timer_again (EV_A_ &w->timer);	4328	ev_timer_again (EV_A_ &w->timer);
3697	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4329	if (ev_is_active (&w->timer)) ev_unref (EV_A);
3698	}	4330	}
3699		4331
3700	static void noinline	4332	noinline
		4333	static void
3701	infy_del (EV_P_ ev_stat *w)	4334	infy_del (EV_P_ ev_stat *w)
3702	{	4335	{
3703	int slot;	4336	int slot;
3704	int wd = w->wd;	4337	int wd = w->wd;
3705		4338
…		…
3712		4345
3713	/* remove this watcher, if others are watching it, they will rearm */	4346	/* remove this watcher, if others are watching it, they will rearm */
3714	inotify_rm_watch (fs_fd, wd);	4347	inotify_rm_watch (fs_fd, wd);
3715	}	4348	}
3716		4349
3717	static void noinline	4350	noinline
		4351	static void
3718	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4352	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
3719	{	4353	{
3720	if (slot < 0)	4354	if (slot < 0)
3721	/* overflow, need to check for all hash slots */	4355	/* overflow, need to check for all hash slots */
3722	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4356	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
3758	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4392	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3759	ofs += sizeof (struct inotify_event) + ev->len;	4393	ofs += sizeof (struct inotify_event) + ev->len;
3760	}	4394	}
3761	}	4395	}
3762		4396
3763	inline_size void ecb_cold	4397	inline_size ecb_cold
		4398	void
3764	ev_check_2625 (EV_P)	4399	ev_check_2625 (EV_P)
3765	{	4400	{
3766	/* kernels < 2.6.25 are borked	4401	/* kernels < 2.6.25 are borked
3767	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4402	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3768	*/	4403	*/
…		…
3858	#else	4493	#else
3859	# define EV_LSTAT(p,b) lstat (p, b)	4494	# define EV_LSTAT(p,b) lstat (p, b)
3860	#endif	4495	#endif
3861		4496
3862	void	4497	void
3863	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4498	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
3864	{	4499	{
3865	if (lstat (w->path, &w->attr) < 0)	4500	if (lstat (w->path, &w->attr) < 0)
3866	w->attr.st_nlink = 0;	4501	w->attr.st_nlink = 0;
3867	else if (!w->attr.st_nlink)	4502	else if (!w->attr.st_nlink)
3868	w->attr.st_nlink = 1;	4503	w->attr.st_nlink = 1;
3869	}	4504	}
3870		4505
3871	static void noinline	4506	noinline
		4507	static void
3872	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4508	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3873	{	4509	{
3874	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4510	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
3875		4511
3876	ev_statdata prev = w->attr;	4512	ev_statdata prev = w->attr;
…		…
3907	ev_feed_event (EV_A_ w, EV_STAT);	4543	ev_feed_event (EV_A_ w, EV_STAT);
3908	}	4544	}
3909	}	4545	}
3910		4546
3911	void	4547	void
3912	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4548	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
3913	{	4549	{
3914	if (expect_false (ev_is_active (w)))	4550	if (expect_false (ev_is_active (w)))
3915	return;	4551	return;
3916		4552
3917	ev_stat_stat (EV_A_ w);	4553	ev_stat_stat (EV_A_ w);
…		…
3938		4574
3939	EV_FREQUENT_CHECK;	4575	EV_FREQUENT_CHECK;
3940	}	4576	}
3941		4577
3942	void	4578	void
3943	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4579	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
3944	{	4580	{
3945	clear_pending (EV_A_ (W)w);	4581	clear_pending (EV_A_ (W)w);
3946	if (expect_false (!ev_is_active (w)))	4582	if (expect_false (!ev_is_active (w)))
3947	return;	4583	return;
3948		4584
…		…
3964	}	4600	}
3965	#endif	4601	#endif
3966		4602
3967	#if EV_IDLE_ENABLE	4603	#if EV_IDLE_ENABLE
3968	void	4604	void
3969	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4605	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
3970	{	4606	{
3971	if (expect_false (ev_is_active (w)))	4607	if (expect_false (ev_is_active (w)))
3972	return;	4608	return;
3973		4609
3974	pri_adjust (EV_A_ (W)w);	4610	pri_adjust (EV_A_ (W)w);
…		…
3987		4623
3988	EV_FREQUENT_CHECK;	4624	EV_FREQUENT_CHECK;
3989	}	4625	}
3990		4626
3991	void	4627	void
3992	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4628	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
3993	{	4629	{
3994	clear_pending (EV_A_ (W)w);	4630	clear_pending (EV_A_ (W)w);
3995	if (expect_false (!ev_is_active (w)))	4631	if (expect_false (!ev_is_active (w)))
3996	return;	4632	return;
3997		4633
…		…
4011	}	4647	}
4012	#endif	4648	#endif
4013		4649
4014	#if EV_PREPARE_ENABLE	4650	#if EV_PREPARE_ENABLE
4015	void	4651	void
4016	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4652	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4017	{	4653	{
4018	if (expect_false (ev_is_active (w)))	4654	if (expect_false (ev_is_active (w)))
4019	return;	4655	return;
4020		4656
4021	EV_FREQUENT_CHECK;	4657	EV_FREQUENT_CHECK;
…		…
4026		4662
4027	EV_FREQUENT_CHECK;	4663	EV_FREQUENT_CHECK;
4028	}	4664	}
4029		4665
4030	void	4666	void
4031	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4667	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4032	{	4668	{
4033	clear_pending (EV_A_ (W)w);	4669	clear_pending (EV_A_ (W)w);
4034	if (expect_false (!ev_is_active (w)))	4670	if (expect_false (!ev_is_active (w)))
4035	return;	4671	return;
4036		4672
…		…
4049	}	4685	}
4050	#endif	4686	#endif
4051		4687
4052	#if EV_CHECK_ENABLE	4688	#if EV_CHECK_ENABLE
4053	void	4689	void
4054	ev_check_start (EV_P_ ev_check *w) EV_THROW	4690	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4055	{	4691	{
4056	if (expect_false (ev_is_active (w)))	4692	if (expect_false (ev_is_active (w)))
4057	return;	4693	return;
4058		4694
4059	EV_FREQUENT_CHECK;	4695	EV_FREQUENT_CHECK;
…		…
4064		4700
4065	EV_FREQUENT_CHECK;	4701	EV_FREQUENT_CHECK;
4066	}	4702	}
4067		4703
4068	void	4704	void
4069	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4705	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4070	{	4706	{
4071	clear_pending (EV_A_ (W)w);	4707	clear_pending (EV_A_ (W)w);
4072	if (expect_false (!ev_is_active (w)))	4708	if (expect_false (!ev_is_active (w)))
4073	return;	4709	return;
4074		4710
…		…
4086	EV_FREQUENT_CHECK;	4722	EV_FREQUENT_CHECK;
4087	}	4723	}
4088	#endif	4724	#endif
4089		4725
4090	#if EV_EMBED_ENABLE	4726	#if EV_EMBED_ENABLE
4091	void noinline	4727	noinline
		4728	void
4092	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4729	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4093	{	4730	{
4094	ev_run (w->other, EVRUN_NOWAIT);	4731	ev_run (w->other, EVRUN_NOWAIT);
4095	}	4732	}
4096		4733
4097	static void	4734	static void
…		…
4145	ev_idle_stop (EV_A_ idle);	4782	ev_idle_stop (EV_A_ idle);
4146	}	4783	}
4147	#endif	4784	#endif
4148		4785
4149	void	4786	void
4150	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4787	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4151	{	4788	{
4152	if (expect_false (ev_is_active (w)))	4789	if (expect_false (ev_is_active (w)))
4153	return;	4790	return;
4154		4791
4155	{	4792	{
…		…
4176		4813
4177	EV_FREQUENT_CHECK;	4814	EV_FREQUENT_CHECK;
4178	}	4815	}
4179		4816
4180	void	4817	void
4181	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4818	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4182	{	4819	{
4183	clear_pending (EV_A_ (W)w);	4820	clear_pending (EV_A_ (W)w);
4184	if (expect_false (!ev_is_active (w)))	4821	if (expect_false (!ev_is_active (w)))
4185	return;	4822	return;
4186		4823
…		…
4196	}	4833	}
4197	#endif	4834	#endif
4198		4835
4199	#if EV_FORK_ENABLE	4836	#if EV_FORK_ENABLE
4200	void	4837	void
4201	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4838	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4202	{	4839	{
4203	if (expect_false (ev_is_active (w)))	4840	if (expect_false (ev_is_active (w)))
4204	return;	4841	return;
4205		4842
4206	EV_FREQUENT_CHECK;	4843	EV_FREQUENT_CHECK;
…		…
4211		4848
4212	EV_FREQUENT_CHECK;	4849	EV_FREQUENT_CHECK;
4213	}	4850	}
4214		4851
4215	void	4852	void
4216	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4853	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4217	{	4854	{
4218	clear_pending (EV_A_ (W)w);	4855	clear_pending (EV_A_ (W)w);
4219	if (expect_false (!ev_is_active (w)))	4856	if (expect_false (!ev_is_active (w)))
4220	return;	4857	return;
4221		4858
…		…
4234	}	4871	}
4235	#endif	4872	#endif
4236		4873
4237	#if EV_CLEANUP_ENABLE	4874	#if EV_CLEANUP_ENABLE
4238	void	4875	void
4239	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4876	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4240	{	4877	{
4241	if (expect_false (ev_is_active (w)))	4878	if (expect_false (ev_is_active (w)))
4242	return;	4879	return;
4243		4880
4244	EV_FREQUENT_CHECK;	4881	EV_FREQUENT_CHECK;
…		…
4251	ev_unref (EV_A);	4888	ev_unref (EV_A);
4252	EV_FREQUENT_CHECK;	4889	EV_FREQUENT_CHECK;
4253	}	4890	}
4254		4891
4255	void	4892	void
4256	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4893	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4257	{	4894	{
4258	clear_pending (EV_A_ (W)w);	4895	clear_pending (EV_A_ (W)w);
4259	if (expect_false (!ev_is_active (w)))	4896	if (expect_false (!ev_is_active (w)))
4260	return;	4897	return;
4261		4898
…		…
4275	}	4912	}
4276	#endif	4913	#endif
4277		4914
4278	#if EV_ASYNC_ENABLE	4915	#if EV_ASYNC_ENABLE
4279	void	4916	void
4280	ev_async_start (EV_P_ ev_async *w) EV_THROW	4917	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4281	{	4918	{
4282	if (expect_false (ev_is_active (w)))	4919	if (expect_false (ev_is_active (w)))
4283	return;	4920	return;
4284		4921
4285	w->sent = 0;	4922	w->sent = 0;
…		…
4294		4931
4295	EV_FREQUENT_CHECK;	4932	EV_FREQUENT_CHECK;
4296	}	4933	}
4297		4934
4298	void	4935	void
4299	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4936	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4300	{	4937	{
4301	clear_pending (EV_A_ (W)w);	4938	clear_pending (EV_A_ (W)w);
4302	if (expect_false (!ev_is_active (w)))	4939	if (expect_false (!ev_is_active (w)))
4303	return;	4940	return;
4304		4941
…		…
4315		4952
4316	EV_FREQUENT_CHECK;	4953	EV_FREQUENT_CHECK;
4317	}	4954	}
4318		4955
4319	void	4956	void
4320	ev_async_send (EV_P_ ev_async *w) EV_THROW	4957	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4321	{	4958	{
4322	w->sent = 1;	4959	w->sent = 1;
4323	evpipe_write (EV_A_ &async_pending);	4960	evpipe_write (EV_A_ &async_pending);
4324	}	4961	}
4325	#endif	4962	#endif
…		…
4362		4999
4363	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5000	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4364	}	5001	}
4365		5002
4366	void	5003	void
4367	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5004	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4368	{	5005	{
4369	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5006	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4370
4371	if (expect_false (!once))
4372	{
4373	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4374	return;
4375	}
4376		5007
4377	once->cb = cb;	5008	once->cb = cb;
4378	once->arg = arg;	5009	once->arg = arg;
4379		5010
4380	ev_init (&once->io, once_cb_io);	5011	ev_init (&once->io, once_cb_io);
…		…
4393	}	5024	}
4394		5025
4395	/*****************************************************************************/	5026	/*****************************************************************************/
4396		5027
4397	#if EV_WALK_ENABLE	5028	#if EV_WALK_ENABLE
4398	void ecb_cold	5029	ecb_cold
		5030	void
4399	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5031	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4400	{	5032	{
4401	int i, j;	5033	int i, j;
4402	ev_watcher_list *wl, *wn;	5034	ev_watcher_list *wl, *wn;
4403		5035
4404	if (types & (EV_IO | EV_EMBED))	5036	if (types & (EV_IO | EV_EMBED))

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