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Comparing libev/ev.c (file contents):
Revision 1.456 by root, Thu Jul 4 22:32:23 2013 UTC vs.
Revision 1.486 by root, Thu Oct 25 03:11:04 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) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
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
…		…
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
360	#endif	368	#endif
361		369
362	#ifdef ANDROID	370	#ifdef __ANDROID__
363	/* supposedly, android doesn't typedef fd_mask */	371	/* supposedly, android doesn't typedef fd_mask */
364	# undef EV_USE_SELECT	372	# undef EV_USE_SELECT
365	# define EV_USE_SELECT 0	373	# define EV_USE_SELECT 0
366	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	374	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
367	# undef EV_USE_CLOCK_SYSCALL	375	# undef EV_USE_CLOCK_SYSCALL
…		…
485	/* 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 */
486	/* ECB.H BEGIN */	494	/* ECB.H BEGIN */
487	/*	495	/*
488	* libecb - http://software.schmorp.de/pkg/libecb	496	* libecb - http://software.schmorp.de/pkg/libecb
489	*	497	*
490	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>	498	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
491	* Copyright (©) 2011 Emanuele Giaquinta	499	* Copyright (©) 2011 Emanuele Giaquinta
492	* All rights reserved.	500	* All rights reserved.
493	*	501	*
494	* 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-
495	* tion, are permitted provided that the following conditions are met:	503	* tion, are permitted provided that the following conditions are met:
…		…
509	* 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;
510	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	518	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
511	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	519	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
512	* 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
513	* 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.
514	*/	533	*/
515		534
516	#ifndef ECB_H	535	#ifndef ECB_H
517	#define ECB_H	536	#define ECB_H
518		537
519	/* 16 bits major, 16 bits minor */	538	/* 16 bits major, 16 bits minor */
520	#define ECB_VERSION 0x00010003	539	#define ECB_VERSION 0x00010005
521		540
522	#ifdef _WIN32	541	#ifdef _WIN32
523	typedef signed char int8_t;	542	typedef signed char int8_t;
524	typedef unsigned char uint8_t;	543	typedef unsigned char uint8_t;
525	typedef signed short int16_t;	544	typedef signed short int16_t;
…		…
542	typedef uint32_t uintptr_t;	561	typedef uint32_t uintptr_t;
543	typedef int32_t intptr_t;	562	typedef int32_t intptr_t;
544	#endif	563	#endif
545	#else	564	#else
546	#include <inttypes.h>	565	#include <inttypes.h>
547	#if UINTMAX_MAX > 0xffffffffU	566	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
548	#define ECB_PTRSIZE 8	567	#define ECB_PTRSIZE 8
549	#else	568	#else
550	#define ECB_PTRSIZE 4	569	#define ECB_PTRSIZE 4
551	#endif	570	#endif
552	#endif	571	#endif
553		572
		573	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		574	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		575
554	/* work around x32 idiocy by defining proper macros */	576	/* work around x32 idiocy by defining proper macros */
555	#if __x86_64 || _M_AMD64	577	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
556	#if __ILP32	578	#if _ILP32
557	#define ECB_AMD64_X32 1	579	#define ECB_AMD64_X32 1
558	#else	580	#else
559	#define ECB_AMD64 1	581	#define ECB_AMD64 1
560	#endif	582	#endif
561	#endif	583	#endif
…		…
565	* causing enormous grief in return for some better fake benchmark numbers.	587	* causing enormous grief in return for some better fake benchmark numbers.
566	* or so.	588	* or so.
567	* 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
568	* 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.
569	*/	591	*/
570	#ifndef ECB_GCC_VERSION
571	#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__
572	#define ECB_GCC_VERSION(major,minor) 0	593	#define ECB_GCC_VERSION(major,minor) 0
573	#else	594	#else
574	#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)))
575	#endif	596	#endif
576	#endif
577		597
578	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */	598	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
579	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	599
580	#define ECB_C11 (__STDC_VERSION__ >= 201112L)	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
581	#define ECB_CPP (__cplusplus+0)	612	#define ECB_CPP (__cplusplus+0)
582	#define ECB_CPP11 (__cplusplus >= 201103L)	613	#define ECB_CPP11 (__cplusplus >= 201103L)
		614
		615	#if ECB_CPP
		616	#define ECB_C 0
		617	#define ECB_STDC_VERSION 0
		618	#else
		619	#define ECB_C 1
		620	#define ECB_STDC_VERSION __STDC_VERSION__
		621	#endif
		622
		623	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		624	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
583		625
584	#if ECB_CPP	626	#if ECB_CPP
585	#define ECB_EXTERN_C extern "C"	627	#define ECB_EXTERN_C extern "C"
586	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	628	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
587	#define ECB_EXTERN_C_END }	629	#define ECB_EXTERN_C_END }
…		…
600	#define ECB_NO_SMP 1	642	#define ECB_NO_SMP 1
601	#endif	643	#endif
602		644
603	#if ECB_NO_SMP	645	#if ECB_NO_SMP
604	#define ECB_MEMORY_FENCE do { } while (0)	646	#define ECB_MEMORY_FENCE do { } while (0)
		647	#endif
		648
		649	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		650	#if __xlC__ && ECB_CPP
		651	#include <builtins.h>
		652	#endif
		653
		654	#if 1400 <= _MSC_VER
		655	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
605	#endif	656	#endif
606		657
607	#ifndef ECB_MEMORY_FENCE	658	#ifndef ECB_MEMORY_FENCE
608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	659	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
609	#if __i386 || __i386__	660	#if __i386 || __i386__
610	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	661	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
611	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	662	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
612	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	663	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
613	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	664	#elif ECB_GCC_AMD64
614	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	665	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
615	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	666	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
616	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	667	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
617	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	668	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	669	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		670	#elif defined __ARM_ARCH_2__ \
		671	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		672	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		673	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		674	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		675	|| defined __ARM_ARCH_5TEJ__
		676	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
619	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	677	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
620	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	678	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		679	|| defined __ARM_ARCH_6T2__
621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	680	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
622	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	681	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
623	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	682	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
624	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	683	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
625	#elif __sparc || __sparc__	684	#elif __aarch64__
		685	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		686	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	687	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	688	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	689	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
629	#elif defined __s390__ || defined __s390x__	690	#elif defined __s390__ || defined __s390x__
630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	691	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
631	#elif defined __mips__	692	#elif defined __mips__
632	/* GNU/Linux emulates sync on mips1 architectures, so we force it's use */	693	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
633	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */	694	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
634	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")	695	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
635	#elif defined __alpha__	696	#elif defined __alpha__
636	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")	697	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
637	#elif defined __hppa__	698	#elif defined __hppa__
638	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")	699	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
639	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	700	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
640	#elif defined __ia64__	701	#elif defined __ia64__
641	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")	702	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		703	#elif defined __m68k__
		704	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		705	#elif defined __m88k__
		706	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		707	#elif defined __sh__
		708	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
642	#endif	709	#endif
643	#endif	710	#endif
644	#endif	711	#endif
645		712
646	#ifndef ECB_MEMORY_FENCE	713	#ifndef ECB_MEMORY_FENCE
647	#if ECB_GCC_VERSION(4,7)	714	#if ECB_GCC_VERSION(4,7)
648	/* see comment below (stdatomic.h) about the C11 memory model. */	715	/* see comment below (stdatomic.h) about the C11 memory model. */
649	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	716	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		717	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		718	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
650		719
651	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	720	#elif ECB_CLANG_EXTENSION(c_atomic)
652	* without risking compile time errors with other compilers. We *could*
653	* define our own ecb_clang_has_feature, but I just can't be bothered to work
654	* around this shit time and again.
655	* #elif defined __clang && __has_feature (cxx_atomic)
656	* // see comment below (stdatomic.h) about the C11 memory model.	721	/* see comment below (stdatomic.h) about the C11 memory model. */
657	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	722	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
658	*/	723	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		724	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
659		725
660	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	726	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
661	#define ECB_MEMORY_FENCE __sync_synchronize ()	727	#define ECB_MEMORY_FENCE __sync_synchronize ()
		728	#elif _MSC_VER >= 1500 /* VC++ 2008 */
		729	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		730	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		731	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		732	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		733	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
662	#elif _MSC_VER >= 1400 /* VC++ 2005 */	734	#elif _MSC_VER >= 1400 /* VC++ 2005 */
663	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	735	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
664	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	736	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
665	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	737	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
666	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	738	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
…		…
686	/* any fence other than seq_cst, which isn't very efficient for us. */	758	/* any fence other than seq_cst, which isn't very efficient for us. */
687	/* Why that is, we don't know - either the C11 memory model is quite useless */	759	/* Why that is, we don't know - either the C11 memory model is quite useless */
688	/* for most usages, or gcc and clang have a bug */	760	/* for most usages, or gcc and clang have a bug */
689	/* I *currently* lean towards the latter, and inefficiently implement */	761	/* I *currently* lean towards the latter, and inefficiently implement */
690	/* all three of ecb's fences as a seq_cst fence */	762	/* all three of ecb's fences as a seq_cst fence */
		763	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		764	/* for all __atomic_thread_fence's except seq_cst */
691	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	765	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
692	#endif	766	#endif
693	#endif	767	#endif
694		768
695	#ifndef ECB_MEMORY_FENCE	769	#ifndef ECB_MEMORY_FENCE
…		…
718	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	792	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
719	#endif	793	#endif
720		794
721	/*****************************************************************************/	795	/*****************************************************************************/
722		796
723	#if __cplusplus	797	#if ECB_CPP
724	#define ecb_inline static inline	798	#define ecb_inline static inline
725	#elif ECB_GCC_VERSION(2,5)	799	#elif ECB_GCC_VERSION(2,5)
726	#define ecb_inline static __inline__	800	#define ecb_inline static __inline__
727	#elif ECB_C99	801	#elif ECB_C99
728	#define ecb_inline static inline	802	#define ecb_inline static inline
…		…
742		816
743	#define ECB_CONCAT_(a, b) a ## b	817	#define ECB_CONCAT_(a, b) a ## b
744	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	818	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
745	#define ECB_STRINGIFY_(a) # a	819	#define ECB_STRINGIFY_(a) # a
746	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	820	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		821	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
747		822
748	#define ecb_function_ ecb_inline	823	#define ecb_function_ ecb_inline
749		824
750	#if ECB_GCC_VERSION(3,1)	825	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
751	#define ecb_attribute(attrlist) __attribute__(attrlist)	826	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		827	#else
		828	#define ecb_attribute(attrlist)
		829	#endif
		830
		831	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
752	#define ecb_is_constant(expr) __builtin_constant_p (expr)	832	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		833	#else
		834	/* possible C11 impl for integral types
		835	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		836	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		837
		838	#define ecb_is_constant(expr) 0
		839	#endif
		840
		841	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
753	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	842	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		843	#else
		844	#define ecb_expect(expr,value) (expr)
		845	#endif
		846
		847	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
754	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	848	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
755	#else	849	#else
756	#define ecb_attribute(attrlist)
757	#define ecb_is_constant(expr) 0
758	#define ecb_expect(expr,value) (expr)
759	#define ecb_prefetch(addr,rw,locality)	850	#define ecb_prefetch(addr,rw,locality)
760	#endif	851	#endif
761		852
762	/* no emulation for ecb_decltype */	853	/* no emulation for ecb_decltype */
763	#if ECB_GCC_VERSION(4,5)	854	#if ECB_CPP11
		855	// older implementations might have problems with decltype(x)::type, work around it
		856	template<class T> struct ecb_decltype_t { typedef T type; };
764	#define ecb_decltype(x) __decltype(x)	857	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
765	#elif ECB_GCC_VERSION(3,0)	858	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
766	#define ecb_decltype(x) __typeof(x)	859	#define ecb_decltype(x) __typeof__ (x)
767	#endif	860	#endif
768		861
		862	#if _MSC_VER >= 1300
		863	#define ecb_deprecated __declspec (deprecated)
		864	#else
		865	#define ecb_deprecated ecb_attribute ((__deprecated__))
		866	#endif
		867
		868	#if _MSC_VER >= 1500
		869	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		870	#elif ECB_GCC_VERSION(4,5)
		871	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		872	#else
		873	#define ecb_deprecated_message(msg) ecb_deprecated
		874	#endif
		875
		876	#if _MSC_VER >= 1400
		877	#define ecb_noinline __declspec (noinline)
		878	#else
769	#define ecb_noinline ecb_attribute ((__noinline__))	879	#define ecb_noinline ecb_attribute ((__noinline__))
		880	#endif
		881
770	#define ecb_unused ecb_attribute ((__unused__))	882	#define ecb_unused ecb_attribute ((__unused__))
771	#define ecb_const ecb_attribute ((__const__))	883	#define ecb_const ecb_attribute ((__const__))
772	#define ecb_pure ecb_attribute ((__pure__))	884	#define ecb_pure ecb_attribute ((__pure__))
773		885
774	#if ECB_C11	886	#if ECB_C11 || __IBMC_NORETURN
		887	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
775	#define ecb_noreturn _Noreturn	888	#define ecb_noreturn _Noreturn
		889	#elif ECB_CPP11
		890	#define ecb_noreturn [[noreturn]]
		891	#elif _MSC_VER >= 1200
		892	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		893	#define ecb_noreturn __declspec (noreturn)
776	#else	894	#else
777	#define ecb_noreturn ecb_attribute ((__noreturn__))	895	#define ecb_noreturn ecb_attribute ((__noreturn__))
778	#endif	896	#endif
779		897
780	#if ECB_GCC_VERSION(4,3)	898	#if ECB_GCC_VERSION(4,3)
…		…
795	/* for compatibility to the rest of the world */	913	/* for compatibility to the rest of the world */
796	#define ecb_likely(expr) ecb_expect_true (expr)	914	#define ecb_likely(expr) ecb_expect_true (expr)
797	#define ecb_unlikely(expr) ecb_expect_false (expr)	915	#define ecb_unlikely(expr) ecb_expect_false (expr)
798		916
799	/* count trailing zero bits and count # of one bits */	917	/* count trailing zero bits and count # of one bits */
800	#if ECB_GCC_VERSION(3,4)	918	#if ECB_GCC_VERSION(3,4) \
		919	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		920	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		921	&& ECB_CLANG_BUILTIN(__builtin_popcount))
801	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	922	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
802	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	923	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
803	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	924	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
804	#define ecb_ctz32(x) __builtin_ctz (x)	925	#define ecb_ctz32(x) __builtin_ctz (x)
805	#define ecb_ctz64(x) __builtin_ctzll (x)	926	#define ecb_ctz64(x) __builtin_ctzll (x)
806	#define ecb_popcount32(x) __builtin_popcount (x)	927	#define ecb_popcount32(x) __builtin_popcount (x)
807	/* no popcountll */	928	/* no popcountll */
808	#else	929	#else
809	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	930	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
810	ecb_function_ int	931	ecb_function_ ecb_const int
811	ecb_ctz32 (uint32_t x)	932	ecb_ctz32 (uint32_t x)
812	{	933	{
		934	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		935	unsigned long r;
		936	_BitScanForward (&r, x);
		937	return (int)r;
		938	#else
813	int r = 0;	939	int r = 0;
814		940
815	x &= ~x + 1; /* this isolates the lowest bit */	941	x &= ~x + 1; /* this isolates the lowest bit */
816		942
817	#if ECB_branchless_on_i386	943	#if ECB_branchless_on_i386
…		…
827	if (x & 0xff00ff00) r += 8;	953	if (x & 0xff00ff00) r += 8;
828	if (x & 0xffff0000) r += 16;	954	if (x & 0xffff0000) r += 16;
829	#endif	955	#endif
830		956
831	return r;	957	return r;
		958	#endif
832	}	959	}
833		960
834	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	961	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
835	ecb_function_ int	962	ecb_function_ ecb_const int
836	ecb_ctz64 (uint64_t x)	963	ecb_ctz64 (uint64_t x)
837	{	964	{
		965	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		966	unsigned long r;
		967	_BitScanForward64 (&r, x);
		968	return (int)r;
		969	#else
838	int shift = x & 0xffffffffU ? 0 : 32;	970	int shift = x & 0xffffffff ? 0 : 32;
839	return ecb_ctz32 (x >> shift) + shift;	971	return ecb_ctz32 (x >> shift) + shift;
		972	#endif
840	}	973	}
841		974
842	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	975	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
843	ecb_function_ int	976	ecb_function_ ecb_const int
844	ecb_popcount32 (uint32_t x)	977	ecb_popcount32 (uint32_t x)
845	{	978	{
846	x -= (x >> 1) & 0x55555555;	979	x -= (x >> 1) & 0x55555555;
847	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	980	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
848	x = ((x >> 4) + x) & 0x0f0f0f0f;	981	x = ((x >> 4) + x) & 0x0f0f0f0f;
849	x *= 0x01010101;	982	x *= 0x01010101;
850		983
851	return x >> 24;	984	return x >> 24;
852	}	985	}
853		986
854	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	987	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
855	ecb_function_ int ecb_ld32 (uint32_t x)	988	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
856	{	989	{
		990	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		991	unsigned long r;
		992	_BitScanReverse (&r, x);
		993	return (int)r;
		994	#else
857	int r = 0;	995	int r = 0;
858		996
859	if (x >> 16) { x >>= 16; r += 16; }	997	if (x >> 16) { x >>= 16; r += 16; }
860	if (x >> 8) { x >>= 8; r += 8; }	998	if (x >> 8) { x >>= 8; r += 8; }
861	if (x >> 4) { x >>= 4; r += 4; }	999	if (x >> 4) { x >>= 4; r += 4; }
862	if (x >> 2) { x >>= 2; r += 2; }	1000	if (x >> 2) { x >>= 2; r += 2; }
863	if (x >> 1) { r += 1; }	1001	if (x >> 1) { r += 1; }
864		1002
865	return r;	1003	return r;
		1004	#endif
866	}	1005	}
867		1006
868	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1007	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
869	ecb_function_ int ecb_ld64 (uint64_t x)	1008	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
870	{	1009	{
		1010	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1011	unsigned long r;
		1012	_BitScanReverse64 (&r, x);
		1013	return (int)r;
		1014	#else
871	int r = 0;	1015	int r = 0;
872		1016
873	if (x >> 32) { x >>= 32; r += 32; }	1017	if (x >> 32) { x >>= 32; r += 32; }
874		1018
875	return r + ecb_ld32 (x);	1019	return r + ecb_ld32 (x);
		1020	#endif
876	}	1021	}
877	#endif	1022	#endif
878		1023
879	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1024	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
880	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1025	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
881	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1026	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
882	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1027	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
883		1028
884	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1029	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
885	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1030	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
886	{	1031	{
887	return ( (x * 0x0802U & 0x22110U)	1032	return ( (x * 0x0802U & 0x22110U)
888	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1033	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
889	}	1034	}
890		1035
891	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1036	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
892	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1037	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
893	{	1038	{
894	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1039	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
895	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1040	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
896	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1041	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
897	x = ( x >> 8 ) | ( x << 8);	1042	x = ( x >> 8 ) | ( x << 8);
898		1043
899	return x;	1044	return x;
900	}	1045	}
901		1046
902	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1047	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
903	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1048	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
904	{	1049	{
905	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1050	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
906	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1051	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
907	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1052	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
908	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1053	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
911	return x;	1056	return x;
912	}	1057	}
913		1058
914	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1059	/* popcount64 is only available on 64 bit cpus as gcc builtin */
915	/* so for this version we are lazy */	1060	/* so for this version we are lazy */
916	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1061	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
917	ecb_function_ int	1062	ecb_function_ ecb_const int
918	ecb_popcount64 (uint64_t x)	1063	ecb_popcount64 (uint64_t x)
919	{	1064	{
920	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1065	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
921	}	1066	}
922		1067
923	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1068	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
924	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1069	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
925	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1070	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
926	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1071	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
927	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1072	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
928	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1073	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
929	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1074	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
930	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1075	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
931		1076
932	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1077	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
933	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1078	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
934	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1079	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
935	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1080	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
936	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1081	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
937	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1082	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
938	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1083	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
939	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1084	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
940		1085
941	#if ECB_GCC_VERSION(4,3)	1086	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1087	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1088	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1089	#else
942	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1090	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1091	#endif
943	#define ecb_bswap32(x) __builtin_bswap32 (x)	1092	#define ecb_bswap32(x) __builtin_bswap32 (x)
944	#define ecb_bswap64(x) __builtin_bswap64 (x)	1093	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1094	#elif _MSC_VER
		1095	#include <stdlib.h>
		1096	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1097	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1098	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
945	#else	1099	#else
946	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1100	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
947	ecb_function_ uint16_t	1101	ecb_function_ ecb_const uint16_t
948	ecb_bswap16 (uint16_t x)	1102	ecb_bswap16 (uint16_t x)
949	{	1103	{
950	return ecb_rotl16 (x, 8);	1104	return ecb_rotl16 (x, 8);
951	}	1105	}
952		1106
953	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1107	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
954	ecb_function_ uint32_t	1108	ecb_function_ ecb_const uint32_t
955	ecb_bswap32 (uint32_t x)	1109	ecb_bswap32 (uint32_t x)
956	{	1110	{
957	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1111	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
958	}	1112	}
959		1113
960	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1114	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
961	ecb_function_ uint64_t	1115	ecb_function_ ecb_const uint64_t
962	ecb_bswap64 (uint64_t x)	1116	ecb_bswap64 (uint64_t x)
963	{	1117	{
964	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1118	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
965	}	1119	}
966	#endif	1120	#endif
967		1121
968	#if ECB_GCC_VERSION(4,5)	1122	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
969	#define ecb_unreachable() __builtin_unreachable ()	1123	#define ecb_unreachable() __builtin_unreachable ()
970	#else	1124	#else
971	/* this seems to work fine, but gcc always emits a warning for it :/ */	1125	/* this seems to work fine, but gcc always emits a warning for it :/ */
972	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1126	ecb_inline ecb_noreturn void ecb_unreachable (void);
973	ecb_inline void ecb_unreachable (void) { }	1127	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
974	#endif	1128	#endif
975		1129
976	/* try to tell the compiler that some condition is definitely true */	1130	/* try to tell the compiler that some condition is definitely true */
977	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1131	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
978		1132
979	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1133	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
980	ecb_inline unsigned char	1134	ecb_inline ecb_const uint32_t
981	ecb_byteorder_helper (void)	1135	ecb_byteorder_helper (void)
982	{	1136	{
983	/* the union code still generates code under pressure in gcc, */	1137	/* the union code still generates code under pressure in gcc, */
984	/* but less than using pointers, and always seems to */	1138	/* but less than using pointers, and always seems to */
985	/* successfully return a constant. */	1139	/* successfully return a constant. */
986	/* the reason why we have this horrible preprocessor mess */	1140	/* the reason why we have this horrible preprocessor mess */
987	/* is to avoid it in all cases, at least on common architectures */	1141	/* is to avoid it in all cases, at least on common architectures */
988	/* or when using a recent enough gcc version (>= 4.6) */	1142	/* or when using a recent enough gcc version (>= 4.6) */
989	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
990	return 0x44;
991	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1143	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1144	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1145	#define ECB_LITTLE_ENDIAN 1
992	return 0x44;	1146	return 0x44332211;
993	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1147	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1148	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1149	#define ECB_BIG_ENDIAN 1
994	return 0x11;	1150	return 0x11223344;
995	#else	1151	#else
996	union	1152	union
997	{	1153	{
		1154	uint8_t c[4];
998	uint32_t i;	1155	uint32_t u;
999	uint8_t c;
1000	} u = { 0x11223344 };	1156	} u = { 0x11, 0x22, 0x33, 0x44 };
1001	return u.c;	1157	return u.u;
1002	#endif	1158	#endif
1003	}	1159	}
1004		1160
1005	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1161	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1006	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1162	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1007	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1163	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1008	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1164	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1009		1165
1010	#if ECB_GCC_VERSION(3,0) || ECB_C99	1166	#if ECB_GCC_VERSION(3,0) || ECB_C99
1011	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1167	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1012	#else	1168	#else
1013	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1169	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1014	#endif	1170	#endif
1015		1171
1016	#if __cplusplus	1172	#if ECB_CPP
1017	template<typename T>	1173	template<typename T>
1018	static inline T ecb_div_rd (T val, T div)	1174	static inline T ecb_div_rd (T val, T div)
1019	{	1175	{
1020	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1176	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1021	}	1177	}
…		…
1038	}	1194	}
1039	#else	1195	#else
1040	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1196	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1041	#endif	1197	#endif
1042		1198
		1199	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1200	ecb_function_ ecb_const uint32_t
		1201	ecb_binary16_to_binary32 (uint32_t x)
		1202	{
		1203	unsigned int s = (x & 0x8000) << (31 - 15);
		1204	int e = (x >> 10) & 0x001f;
		1205	unsigned int m = x & 0x03ff;
		1206
		1207	if (ecb_expect_false (e == 31))
		1208	/* infinity or NaN */
		1209	e = 255 - (127 - 15);
		1210	else if (ecb_expect_false (!e))
		1211	{
		1212	if (ecb_expect_true (!m))
		1213	/* zero, handled by code below by forcing e to 0 */
		1214	e = 0 - (127 - 15);
		1215	else
		1216	{
		1217	/* subnormal, renormalise */
		1218	unsigned int s = 10 - ecb_ld32 (m);
		1219
		1220	m = (m << s) & 0x3ff; /* mask implicit bit */
		1221	e -= s - 1;
		1222	}
		1223	}
		1224
		1225	/* e and m now are normalised, or zero, (or inf or nan) */
		1226	e += 127 - 15;
		1227
		1228	return s | (e << 23) | (m << (23 - 10));
		1229	}
		1230
		1231	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1232	ecb_function_ ecb_const uint16_t
		1233	ecb_binary32_to_binary16 (uint32_t x)
		1234	{
		1235	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1236	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1237	unsigned int m = x & 0x007fffff;
		1238
		1239	x &= 0x7fffffff;
		1240
		1241	/* if it's within range of binary16 normals, use fast path */
		1242	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1243	{
		1244	/* mantissa round-to-even */
		1245	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1246
		1247	/* handle overflow */
		1248	if (ecb_expect_false (m >= 0x00800000))
		1249	{
		1250	m >>= 1;
		1251	e += 1;
		1252	}
		1253
		1254	return s | (e << 10) | (m >> (23 - 10));
		1255	}
		1256
		1257	/* handle large numbers and infinity */
		1258	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1259	return s | 0x7c00;
		1260
		1261	/* handle zero, subnormals and small numbers */
		1262	if (ecb_expect_true (x < 0x38800000))
		1263	{
		1264	/* zero */
		1265	if (ecb_expect_true (!x))
		1266	return s;
		1267
		1268	/* handle subnormals */
		1269
		1270	/* too small, will be zero */
		1271	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1272	return s;
		1273
		1274	m |= 0x00800000; /* make implicit bit explicit */
		1275
		1276	/* very tricky - we need to round to the nearest e (+10) bit value */
		1277	{
		1278	unsigned int bits = 14 - e;
		1279	unsigned int half = (1 << (bits - 1)) - 1;
		1280	unsigned int even = (m >> bits) & 1;
		1281
		1282	/* if this overflows, we will end up with a normalised number */
		1283	m = (m + half + even) >> bits;
		1284	}
		1285
		1286	return s | m;
		1287	}
		1288
		1289	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1290	m >>= 13;
		1291
		1292	return s | 0x7c00 | m | !m;
		1293	}
		1294
1043	/*******************************************************************************/	1295	/*******************************************************************************/
1044	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1296	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1045		1297
1046	/* basically, everything uses "ieee pure-endian" floating point numbers */	1298	/* basically, everything uses "ieee pure-endian" floating point numbers */
1047	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1299	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1048	#if 0 \	1300	#if 0 \
1049	|| __i386 || __i386__ \	1301	|| __i386 || __i386__ \
1050	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1302	|| ECB_GCC_AMD64 \
1051	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1303	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1052	|| defined __arm__ && defined __ARM_EABI__ \
1053	|| defined __s390__ || defined __s390x__ \	1304	|| defined __s390__ || defined __s390x__ \
1054	|| defined __mips__ \	1305	|| defined __mips__ \
1055	|| defined __alpha__ \	1306	|| defined __alpha__ \
1056	|| defined __hppa__ \	1307	|| defined __hppa__ \
1057	|| defined __ia64__ \	1308	|| defined __ia64__ \
		1309	|| defined __m68k__ \
		1310	|| defined __m88k__ \
		1311	|| defined __sh__ \
1058	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64	1312	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1313	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1314	|| defined __aarch64__
1059	#define ECB_STDFP 1	1315	#define ECB_STDFP 1
1060	#include <string.h> /* for memcpy */	1316	#include <string.h> /* for memcpy */
1061	#else	1317	#else
1062	#define ECB_STDFP 0	1318	#define ECB_STDFP 0
1063	#include <math.h> /* for frexp*, ldexp* */
1064	#endif	1319	#endif
1065		1320
1066	#ifndef ECB_NO_LIBM	1321	#ifndef ECB_NO_LIBM
1067		1322
		1323	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1324
		1325	/* only the oldest of old doesn't have this one. solaris. */
		1326	#ifdef INFINITY
		1327	#define ECB_INFINITY INFINITY
		1328	#else
		1329	#define ECB_INFINITY HUGE_VAL
		1330	#endif
		1331
		1332	#ifdef NAN
		1333	#define ECB_NAN NAN
		1334	#else
		1335	#define ECB_NAN ECB_INFINITY
		1336	#endif
		1337
		1338	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1339	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1340	#define ecb_frexpf(x,e) frexpf ((x), (e))
		1341	#else
		1342	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
		1343	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
		1344	#endif
		1345
1068	/* convert a float to ieee single/binary32 */	1346	/* convert a float to ieee single/binary32 */
1069	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1347	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1070	ecb_function_ uint32_t	1348	ecb_function_ ecb_const uint32_t
1071	ecb_float_to_binary32 (float x)	1349	ecb_float_to_binary32 (float x)
1072	{	1350	{
1073	uint32_t r;	1351	uint32_t r;
1074		1352
1075	#if ECB_STDFP	1353	#if ECB_STDFP
…		…
1082	if (x == 0e0f ) return 0x00000000U;	1360	if (x == 0e0f ) return 0x00000000U;
1083	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1361	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1084	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1362	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1085	if (x != x ) return 0x7fbfffffU;	1363	if (x != x ) return 0x7fbfffffU;
1086		1364
1087	m = frexpf (x, &e) * 0x1000000U;	1365	m = ecb_frexpf (x, &e) * 0x1000000U;
1088		1366
1089	r = m & 0x80000000U;	1367	r = m & 0x80000000U;
1090		1368
1091	if (r)	1369	if (r)
1092	m = -m;	1370	m = -m;
…		…
1104		1382
1105	return r;	1383	return r;
1106	}	1384	}
1107		1385
1108	/* converts an ieee single/binary32 to a float */	1386	/* converts an ieee single/binary32 to a float */
1109	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1387	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1110	ecb_function_ float	1388	ecb_function_ ecb_const float
1111	ecb_binary32_to_float (uint32_t x)	1389	ecb_binary32_to_float (uint32_t x)
1112	{	1390	{
1113	float r;	1391	float r;
1114		1392
1115	#if ECB_STDFP	1393	#if ECB_STDFP
…		…
1125	x |= 0x800000U;	1403	x |= 0x800000U;
1126	else	1404	else
1127	e = 1;	1405	e = 1;
1128		1406
1129	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1407	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1130	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1408	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1131		1409
1132	r = neg ? -r : r;	1410	r = neg ? -r : r;
1133	#endif	1411	#endif
1134		1412
1135	return r;	1413	return r;
1136	}	1414	}
1137		1415
1138	/* convert a double to ieee double/binary64 */	1416	/* convert a double to ieee double/binary64 */
1139	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1417	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1140	ecb_function_ uint64_t	1418	ecb_function_ ecb_const uint64_t
1141	ecb_double_to_binary64 (double x)	1419	ecb_double_to_binary64 (double x)
1142	{	1420	{
1143	uint64_t r;	1421	uint64_t r;
1144		1422
1145	#if ECB_STDFP	1423	#if ECB_STDFP
…		…
1174		1452
1175	return r;	1453	return r;
1176	}	1454	}
1177		1455
1178	/* converts an ieee double/binary64 to a double */	1456	/* converts an ieee double/binary64 to a double */
1179	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1457	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1180	ecb_function_ double	1458	ecb_function_ ecb_const double
1181	ecb_binary64_to_double (uint64_t x)	1459	ecb_binary64_to_double (uint64_t x)
1182	{	1460	{
1183	double r;	1461	double r;
1184		1462
1185	#if ECB_STDFP	1463	#if ECB_STDFP
…		…
1201		1479
1202	r = neg ? -r : r;	1480	r = neg ? -r : r;
1203	#endif	1481	#endif
1204		1482
1205	return r;	1483	return r;
		1484	}
		1485
		1486	/* convert a float to ieee half/binary16 */
		1487	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1488	ecb_function_ ecb_const uint16_t
		1489	ecb_float_to_binary16 (float x)
		1490	{
		1491	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1492	}
		1493
		1494	/* convert an ieee half/binary16 to float */
		1495	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1496	ecb_function_ ecb_const float
		1497	ecb_binary16_to_float (uint16_t x)
		1498	{
		1499	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1206	}	1500	}
1207		1501
1208	#endif	1502	#endif
1209		1503
1210	#endif	1504	#endif
…		…
1235	#define inline_size ecb_inline	1529	#define inline_size ecb_inline
1236		1530
1237	#if EV_FEATURE_CODE	1531	#if EV_FEATURE_CODE
1238	# define inline_speed ecb_inline	1532	# define inline_speed ecb_inline
1239	#else	1533	#else
1240	# define inline_speed static noinline	1534	# define inline_speed noinline static
1241	#endif	1535	#endif
1242		1536
1243	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1537	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1244		1538
1245	#if EV_MINPRI == EV_MAXPRI	1539	#if EV_MINPRI == EV_MAXPRI
…		…
1292	#else	1586	#else
1293		1587
1294	#include <float.h>	1588	#include <float.h>
1295		1589
1296	/* a floor() replacement function, should be independent of ev_tstamp type */	1590	/* a floor() replacement function, should be independent of ev_tstamp type */
		1591	noinline
1297	static ev_tstamp noinline	1592	static ev_tstamp
1298	ev_floor (ev_tstamp v)	1593	ev_floor (ev_tstamp v)
1299	{	1594	{
1300	/* the choice of shift factor is not terribly important */	1595	/* the choice of shift factor is not terribly important */
1301	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1596	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1302	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1597	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1334		1629
1335	#ifdef __linux	1630	#ifdef __linux
1336	# include <sys/utsname.h>	1631	# include <sys/utsname.h>
1337	#endif	1632	#endif
1338		1633
1339	static unsigned int noinline ecb_cold	1634	noinline ecb_cold
		1635	static unsigned int
1340	ev_linux_version (void)	1636	ev_linux_version (void)
1341	{	1637	{
1342	#ifdef __linux	1638	#ifdef __linux
1343	unsigned int v = 0;	1639	unsigned int v = 0;
1344	struct utsname buf;	1640	struct utsname buf;
…		…
1373	}	1669	}
1374		1670
1375	/*****************************************************************************/	1671	/*****************************************************************************/
1376		1672
1377	#if EV_AVOID_STDIO	1673	#if EV_AVOID_STDIO
1378	static void noinline ecb_cold	1674	noinline ecb_cold
		1675	static void
1379	ev_printerr (const char *msg)	1676	ev_printerr (const char *msg)
1380	{	1677	{
1381	write (STDERR_FILENO, msg, strlen (msg));	1678	write (STDERR_FILENO, msg, strlen (msg));
1382	}	1679	}
1383	#endif	1680	#endif
1384		1681
1385	static void (*syserr_cb)(const char *msg) EV_THROW;	1682	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1386		1683
1387	void ecb_cold	1684	ecb_cold
		1685	void
1388	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1686	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1389	{	1687	{
1390	syserr_cb = cb;	1688	syserr_cb = cb;
1391	}	1689	}
1392		1690
1393	static void noinline ecb_cold	1691	noinline ecb_cold
		1692	static void
1394	ev_syserr (const char *msg)	1693	ev_syserr (const char *msg)
1395	{	1694	{
1396	if (!msg)	1695	if (!msg)
1397	msg = "(libev) system error";	1696	msg = "(libev) system error";
1398		1697
…		…
1411	abort ();	1710	abort ();
1412	}	1711	}
1413	}	1712	}
1414		1713
1415	static void *	1714	static void *
1416	ev_realloc_emul (void *ptr, long size) EV_THROW	1715	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1417	{	1716	{
1418	/* some systems, notably openbsd and darwin, fail to properly	1717	/* some systems, notably openbsd and darwin, fail to properly
1419	* implement realloc (x, 0) (as required by both ansi c-89 and	1718	* implement realloc (x, 0) (as required by both ansi c-89 and
1420	* the single unix specification, so work around them here.	1719	* the single unix specification, so work around them here.
1421	* recently, also (at least) fedora and debian started breaking it,	1720	* recently, also (at least) fedora and debian started breaking it,
…		…
1427		1726
1428	free (ptr);	1727	free (ptr);
1429	return 0;	1728	return 0;
1430	}	1729	}
1431		1730
1432	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1731	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1433		1732
1434	void ecb_cold	1733	ecb_cold
		1734	void
1435	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1735	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1436	{	1736	{
1437	alloc = cb;	1737	alloc = cb;
1438	}	1738	}
1439		1739
1440	inline_speed void *	1740	inline_speed void *
…		…
1557		1857
1558	/*****************************************************************************/	1858	/*****************************************************************************/
1559		1859
1560	#ifndef EV_HAVE_EV_TIME	1860	#ifndef EV_HAVE_EV_TIME
1561	ev_tstamp	1861	ev_tstamp
1562	ev_time (void) EV_THROW	1862	ev_time (void) EV_NOEXCEPT
1563	{	1863	{
1564	#if EV_USE_REALTIME	1864	#if EV_USE_REALTIME
1565	if (expect_true (have_realtime))	1865	if (expect_true (have_realtime))
1566	{	1866	{
1567	struct timespec ts;	1867	struct timespec ts;
…		…
1591	return ev_time ();	1891	return ev_time ();
1592	}	1892	}
1593		1893
1594	#if EV_MULTIPLICITY	1894	#if EV_MULTIPLICITY
1595	ev_tstamp	1895	ev_tstamp
1596	ev_now (EV_P) EV_THROW	1896	ev_now (EV_P) EV_NOEXCEPT
1597	{	1897	{
1598	return ev_rt_now;	1898	return ev_rt_now;
1599	}	1899	}
1600	#endif	1900	#endif
1601		1901
1602	void	1902	void
1603	ev_sleep (ev_tstamp delay) EV_THROW	1903	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1604	{	1904	{
1605	if (delay > 0.)	1905	if (delay > 0.)
1606	{	1906	{
1607	#if EV_USE_NANOSLEEP	1907	#if EV_USE_NANOSLEEP
1608	struct timespec ts;	1908	struct timespec ts;
1609		1909
1610	EV_TS_SET (ts, delay);	1910	EV_TS_SET (ts, delay);
1611	nanosleep (&ts, 0);	1911	nanosleep (&ts, 0);
1612	#elif defined _WIN32	1912	#elif defined _WIN32
		1913	/* maybe this should round up, as ms is very low resolution */
		1914	/* compared to select (µs) or nanosleep (ns) */
1613	Sleep ((unsigned long)(delay * 1e3));	1915	Sleep ((unsigned long)(delay * 1e3));
1614	#else	1916	#else
1615	struct timeval tv;	1917	struct timeval tv;
1616		1918
1617	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1919	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1648	}	1950	}
1649		1951
1650	return ncur;	1952	return ncur;
1651	}	1953	}
1652		1954
1653	static void * noinline ecb_cold	1955	noinline ecb_cold
		1956	static void *
1654	array_realloc (int elem, void *base, int *cur, int cnt)	1957	array_realloc (int elem, void *base, int *cur, int cnt)
1655	{	1958	{
1656	*cur = array_nextsize (elem, *cur, cnt);	1959	*cur = array_nextsize (elem, *cur, cnt);
1657	return ev_realloc (base, elem * *cur);	1960	return ev_realloc (base, elem * *cur);
1658	}	1961	}
…		…
1661	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1964	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1662		1965
1663	#define array_needsize(type,base,cur,cnt,init) \	1966	#define array_needsize(type,base,cur,cnt,init) \
1664	if (expect_false ((cnt) > (cur))) \	1967	if (expect_false ((cnt) > (cur))) \
1665	{ \	1968	{ \
1666	int ecb_unused ocur_ = (cur); \	1969	ecb_unused int ocur_ = (cur); \
1667	(base) = (type *)array_realloc \	1970	(base) = (type *)array_realloc \
1668	(sizeof (type), (base), &(cur), (cnt)); \	1971	(sizeof (type), (base), &(cur), (cnt)); \
1669	init ((base) + (ocur_), (cur) - ocur_); \	1972	init ((base) + (ocur_), (cur) - ocur_); \
1670	}	1973	}
1671		1974
…		…
1683	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	1986	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1684		1987
1685	/*****************************************************************************/	1988	/*****************************************************************************/
1686		1989
1687	/* dummy callback for pending events */	1990	/* dummy callback for pending events */
1688	static void noinline	1991	noinline
		1992	static void
1689	pendingcb (EV_P_ ev_prepare *w, int revents)	1993	pendingcb (EV_P_ ev_prepare *w, int revents)
1690	{	1994	{
1691	}	1995	}
1692		1996
1693	void noinline	1997	noinline
		1998	void
1694	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	1999	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1695	{	2000	{
1696	W w_ = (W)w;	2001	W w_ = (W)w;
1697	int pri = ABSPRI (w_);	2002	int pri = ABSPRI (w_);
1698		2003
1699	if (expect_false (w_->pending))	2004	if (expect_false (w_->pending))
…		…
1760	if (expect_true (!anfd->reify))	2065	if (expect_true (!anfd->reify))
1761	fd_event_nocheck (EV_A_ fd, revents);	2066	fd_event_nocheck (EV_A_ fd, revents);
1762	}	2067	}
1763		2068
1764	void	2069	void
1765	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2070	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1766	{	2071	{
1767	if (fd >= 0 && fd < anfdmax)	2072	if (fd >= 0 && fd < anfdmax)
1768	fd_event_nocheck (EV_A_ fd, revents);	2073	fd_event_nocheck (EV_A_ fd, revents);
1769	}	2074	}
1770		2075
…		…
1828		2133
1829	fdchangecnt = 0;	2134	fdchangecnt = 0;
1830	}	2135	}
1831		2136
1832	/* something about the given fd changed */	2137	/* something about the given fd changed */
1833	inline_size void	2138	inline_size
		2139	void
1834	fd_change (EV_P_ int fd, int flags)	2140	fd_change (EV_P_ int fd, int flags)
1835	{	2141	{
1836	unsigned char reify = anfds [fd].reify;	2142	unsigned char reify = anfds [fd].reify;
1837	anfds [fd].reify |= flags;	2143	anfds [fd].reify |= flags;
1838		2144
…		…
1843	fdchanges [fdchangecnt - 1] = fd;	2149	fdchanges [fdchangecnt - 1] = fd;
1844	}	2150	}
1845	}	2151	}
1846		2152
1847	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2153	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1848	inline_speed void ecb_cold	2154	inline_speed ecb_cold void
1849	fd_kill (EV_P_ int fd)	2155	fd_kill (EV_P_ int fd)
1850	{	2156	{
1851	ev_io *w;	2157	ev_io *w;
1852		2158
1853	while ((w = (ev_io *)anfds [fd].head))	2159	while ((w = (ev_io *)anfds [fd].head))
…		…
1856	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2162	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1857	}	2163	}
1858	}	2164	}
1859		2165
1860	/* check whether the given fd is actually valid, for error recovery */	2166	/* check whether the given fd is actually valid, for error recovery */
1861	inline_size int ecb_cold	2167	inline_size ecb_cold int
1862	fd_valid (int fd)	2168	fd_valid (int fd)
1863	{	2169	{
1864	#ifdef _WIN32	2170	#ifdef _WIN32
1865	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2171	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1866	#else	2172	#else
1867	return fcntl (fd, F_GETFD) != -1;	2173	return fcntl (fd, F_GETFD) != -1;
1868	#endif	2174	#endif
1869	}	2175	}
1870		2176
1871	/* called on EBADF to verify fds */	2177	/* called on EBADF to verify fds */
1872	static void noinline ecb_cold	2178	noinline ecb_cold
		2179	static void
1873	fd_ebadf (EV_P)	2180	fd_ebadf (EV_P)
1874	{	2181	{
1875	int fd;	2182	int fd;
1876		2183
1877	for (fd = 0; fd < anfdmax; ++fd)	2184	for (fd = 0; fd < anfdmax; ++fd)
…		…
1879	if (!fd_valid (fd) && errno == EBADF)	2186	if (!fd_valid (fd) && errno == EBADF)
1880	fd_kill (EV_A_ fd);	2187	fd_kill (EV_A_ fd);
1881	}	2188	}
1882		2189
1883	/* called on ENOMEM in select/poll to kill some fds and retry */	2190	/* called on ENOMEM in select/poll to kill some fds and retry */
1884	static void noinline ecb_cold	2191	noinline ecb_cold
		2192	static void
1885	fd_enomem (EV_P)	2193	fd_enomem (EV_P)
1886	{	2194	{
1887	int fd;	2195	int fd;
1888		2196
1889	for (fd = anfdmax; fd--; )	2197	for (fd = anfdmax; fd--; )
…		…
1893	break;	2201	break;
1894	}	2202	}
1895	}	2203	}
1896		2204
1897	/* usually called after fork if backend needs to re-arm all fds from scratch */	2205	/* usually called after fork if backend needs to re-arm all fds from scratch */
1898	static void noinline	2206	noinline
		2207	static void
1899	fd_rearm_all (EV_P)	2208	fd_rearm_all (EV_P)
1900	{	2209	{
1901	int fd;	2210	int fd;
1902		2211
1903	for (fd = 0; fd < anfdmax; ++fd)	2212	for (fd = 0; fd < anfdmax; ++fd)
…		…
2084		2393
2085	/*****************************************************************************/	2394	/*****************************************************************************/
2086		2395
2087	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2396	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2088		2397
2089	static void noinline ecb_cold	2398	noinline ecb_cold
		2399	static void
2090	evpipe_init (EV_P)	2400	evpipe_init (EV_P)
2091	{	2401	{
2092	if (!ev_is_active (&pipe_w))	2402	if (!ev_is_active (&pipe_w))
2093	{	2403	{
2094	int fds [2];	2404	int fds [2];
…		…
2165	#endif	2475	#endif
2166	{	2476	{
2167	#ifdef _WIN32	2477	#ifdef _WIN32
2168	WSABUF buf;	2478	WSABUF buf;
2169	DWORD sent;	2479	DWORD sent;
2170	buf.buf = &buf;	2480	buf.buf = (char *)&buf;
2171	buf.len = 1;	2481	buf.len = 1;
2172	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2482	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2173	#else	2483	#else
2174	write (evpipe [1], &(evpipe [1]), 1);	2484	write (evpipe [1], &(evpipe [1]), 1);
2175	#endif	2485	#endif
…		…
2247	}	2557	}
2248		2558
2249	/*****************************************************************************/	2559	/*****************************************************************************/
2250		2560
2251	void	2561	void
2252	ev_feed_signal (int signum) EV_THROW	2562	ev_feed_signal (int signum) EV_NOEXCEPT
2253	{	2563	{
2254	#if EV_MULTIPLICITY	2564	#if EV_MULTIPLICITY
2255	EV_P;	2565	EV_P;
2256	ECB_MEMORY_FENCE_ACQUIRE;	2566	ECB_MEMORY_FENCE_ACQUIRE;
2257	EV_A = signals [signum - 1].loop;	2567	EV_A = signals [signum - 1].loop;
…		…
2272	#endif	2582	#endif
2273		2583
2274	ev_feed_signal (signum);	2584	ev_feed_signal (signum);
2275	}	2585	}
2276		2586
2277	void noinline	2587	noinline
		2588	void
2278	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2589	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2279	{	2590	{
2280	WL w;	2591	WL w;
2281		2592
2282	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2593	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2283	return;	2594	return;
…		…
2399	#endif	2710	#endif
2400	#if EV_USE_SELECT	2711	#if EV_USE_SELECT
2401	# include "ev_select.c"	2712	# include "ev_select.c"
2402	#endif	2713	#endif
2403		2714
2404	int ecb_cold	2715	ecb_cold int
2405	ev_version_major (void) EV_THROW	2716	ev_version_major (void) EV_NOEXCEPT
2406	{	2717	{
2407	return EV_VERSION_MAJOR;	2718	return EV_VERSION_MAJOR;
2408	}	2719	}
2409		2720
2410	int ecb_cold	2721	ecb_cold int
2411	ev_version_minor (void) EV_THROW	2722	ev_version_minor (void) EV_NOEXCEPT
2412	{	2723	{
2413	return EV_VERSION_MINOR;	2724	return EV_VERSION_MINOR;
2414	}	2725	}
2415		2726
2416	/* return true if we are running with elevated privileges and should ignore env variables */	2727	/* return true if we are running with elevated privileges and should ignore env variables */
2417	int inline_size ecb_cold	2728	inline_size ecb_cold int
2418	enable_secure (void)	2729	enable_secure (void)
2419	{	2730	{
2420	#ifdef _WIN32	2731	#ifdef _WIN32
2421	return 0;	2732	return 0;
2422	#else	2733	#else
2423	return getuid () != geteuid ()	2734	return getuid () != geteuid ()
2424	|| getgid () != getegid ();	2735	|| getgid () != getegid ();
2425	#endif	2736	#endif
2426	}	2737	}
2427		2738
2428	unsigned int ecb_cold	2739	ecb_cold
		2740	unsigned int
2429	ev_supported_backends (void) EV_THROW	2741	ev_supported_backends (void) EV_NOEXCEPT
2430	{	2742	{
2431	unsigned int flags = 0;	2743	unsigned int flags = 0;
2432		2744
2433	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2745	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2434	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2746	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2437	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2749	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
2438		2750
2439	return flags;	2751	return flags;
2440	}	2752	}
2441		2753
2442	unsigned int ecb_cold	2754	ecb_cold
		2755	unsigned int
2443	ev_recommended_backends (void) EV_THROW	2756	ev_recommended_backends (void) EV_NOEXCEPT
2444	{	2757	{
2445	unsigned int flags = ev_supported_backends ();	2758	unsigned int flags = ev_supported_backends ();
2446		2759
2447	#ifndef __NetBSD__	2760	#ifndef __NetBSD__
2448	/* kqueue is borked on everything but netbsd apparently */	2761	/* kqueue is borked on everything but netbsd apparently */
…		…
2459	#endif	2772	#endif
2460		2773
2461	return flags;	2774	return flags;
2462	}	2775	}
2463		2776
2464	unsigned int ecb_cold	2777	ecb_cold
		2778	unsigned int
2465	ev_embeddable_backends (void) EV_THROW	2779	ev_embeddable_backends (void) EV_NOEXCEPT
2466	{	2780	{
2467	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2781	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2468		2782
2469	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2783	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2470	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2784	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2472		2786
2473	return flags;	2787	return flags;
2474	}	2788	}
2475		2789
2476	unsigned int	2790	unsigned int
2477	ev_backend (EV_P) EV_THROW	2791	ev_backend (EV_P) EV_NOEXCEPT
2478	{	2792	{
2479	return backend;	2793	return backend;
2480	}	2794	}
2481		2795
2482	#if EV_FEATURE_API	2796	#if EV_FEATURE_API
2483	unsigned int	2797	unsigned int
2484	ev_iteration (EV_P) EV_THROW	2798	ev_iteration (EV_P) EV_NOEXCEPT
2485	{	2799	{
2486	return loop_count;	2800	return loop_count;
2487	}	2801	}
2488		2802
2489	unsigned int	2803	unsigned int
2490	ev_depth (EV_P) EV_THROW	2804	ev_depth (EV_P) EV_NOEXCEPT
2491	{	2805	{
2492	return loop_depth;	2806	return loop_depth;
2493	}	2807	}
2494		2808
2495	void	2809	void
2496	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2810	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2497	{	2811	{
2498	io_blocktime = interval;	2812	io_blocktime = interval;
2499	}	2813	}
2500		2814
2501	void	2815	void
2502	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2816	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2503	{	2817	{
2504	timeout_blocktime = interval;	2818	timeout_blocktime = interval;
2505	}	2819	}
2506		2820
2507	void	2821	void
2508	ev_set_userdata (EV_P_ void *data) EV_THROW	2822	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2509	{	2823	{
2510	userdata = data;	2824	userdata = data;
2511	}	2825	}
2512		2826
2513	void *	2827	void *
2514	ev_userdata (EV_P) EV_THROW	2828	ev_userdata (EV_P) EV_NOEXCEPT
2515	{	2829	{
2516	return userdata;	2830	return userdata;
2517	}	2831	}
2518		2832
2519	void	2833	void
2520	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW	2834	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2521	{	2835	{
2522	invoke_cb = invoke_pending_cb;	2836	invoke_cb = invoke_pending_cb;
2523	}	2837	}
2524		2838
2525	void	2839	void
2526	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW	2840	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2527	{	2841	{
2528	release_cb = release;	2842	release_cb = release;
2529	acquire_cb = acquire;	2843	acquire_cb = acquire;
2530	}	2844	}
2531	#endif	2845	#endif
2532		2846
2533	/* initialise a loop structure, must be zero-initialised */	2847	/* initialise a loop structure, must be zero-initialised */
2534	static void noinline ecb_cold	2848	noinline ecb_cold
		2849	static void
2535	loop_init (EV_P_ unsigned int flags) EV_THROW	2850	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2536	{	2851	{
2537	if (!backend)	2852	if (!backend)
2538	{	2853	{
2539	origflags = flags;	2854	origflags = flags;
2540		2855
…		…
2626	#endif	2941	#endif
2627	}	2942	}
2628	}	2943	}
2629		2944
2630	/* free up a loop structure */	2945	/* free up a loop structure */
2631	void ecb_cold	2946	ecb_cold
		2947	void
2632	ev_loop_destroy (EV_P)	2948	ev_loop_destroy (EV_P)
2633	{	2949	{
2634	int i;	2950	int i;
2635		2951
2636	#if EV_MULTIPLICITY	2952	#if EV_MULTIPLICITY
…		…
2757	#if EV_USE_INOTIFY	3073	#if EV_USE_INOTIFY
2758	infy_fork (EV_A);	3074	infy_fork (EV_A);
2759	#endif	3075	#endif
2760		3076
2761	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3077	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2762	if (ev_is_active (&pipe_w))	3078	if (ev_is_active (&pipe_w) && postfork != 2)
2763	{	3079	{
2764	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3080	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2765		3081
2766	ev_ref (EV_A);	3082	ev_ref (EV_A);
2767	ev_io_stop (EV_A_ &pipe_w);	3083	ev_io_stop (EV_A_ &pipe_w);
…		…
2778	postfork = 0;	3094	postfork = 0;
2779	}	3095	}
2780		3096
2781	#if EV_MULTIPLICITY	3097	#if EV_MULTIPLICITY
2782		3098
		3099	ecb_cold
2783	struct ev_loop * ecb_cold	3100	struct ev_loop *
2784	ev_loop_new (unsigned int flags) EV_THROW	3101	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2785	{	3102	{
2786	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3103	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2787		3104
2788	memset (EV_A, 0, sizeof (struct ev_loop));	3105	memset (EV_A, 0, sizeof (struct ev_loop));
2789	loop_init (EV_A_ flags);	3106	loop_init (EV_A_ flags);
…		…
2796	}	3113	}
2797		3114
2798	#endif /* multiplicity */	3115	#endif /* multiplicity */
2799		3116
2800	#if EV_VERIFY	3117	#if EV_VERIFY
2801	static void noinline ecb_cold	3118	noinline ecb_cold
		3119	static void
2802	verify_watcher (EV_P_ W w)	3120	verify_watcher (EV_P_ W w)
2803	{	3121	{
2804	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3122	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2805		3123
2806	if (w->pending)	3124	if (w->pending)
2807	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3125	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2808	}	3126	}
2809		3127
2810	static void noinline ecb_cold	3128	noinline ecb_cold
		3129	static void
2811	verify_heap (EV_P_ ANHE *heap, int N)	3130	verify_heap (EV_P_ ANHE *heap, int N)
2812	{	3131	{
2813	int i;	3132	int i;
2814		3133
2815	for (i = HEAP0; i < N + HEAP0; ++i)	3134	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2820		3139
2821	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3140	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2822	}	3141	}
2823	}	3142	}
2824		3143
2825	static void noinline ecb_cold	3144	noinline ecb_cold
		3145	static void
2826	array_verify (EV_P_ W *ws, int cnt)	3146	array_verify (EV_P_ W *ws, int cnt)
2827	{	3147	{
2828	while (cnt--)	3148	while (cnt--)
2829	{	3149	{
2830	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3150	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2833	}	3153	}
2834	#endif	3154	#endif
2835		3155
2836	#if EV_FEATURE_API	3156	#if EV_FEATURE_API
2837	void ecb_cold	3157	void ecb_cold
2838	ev_verify (EV_P) EV_THROW	3158	ev_verify (EV_P) EV_NOEXCEPT
2839	{	3159	{
2840	#if EV_VERIFY	3160	#if EV_VERIFY
2841	int i;	3161	int i;
2842	WL w, w2;	3162	WL w, w2;
2843		3163
…		…
2919	#endif	3239	#endif
2920	}	3240	}
2921	#endif	3241	#endif
2922		3242
2923	#if EV_MULTIPLICITY	3243	#if EV_MULTIPLICITY
		3244	ecb_cold
2924	struct ev_loop * ecb_cold	3245	struct ev_loop *
2925	#else	3246	#else
2926	int	3247	int
2927	#endif	3248	#endif
2928	ev_default_loop (unsigned int flags) EV_THROW	3249	ev_default_loop (unsigned int flags) EV_NOEXCEPT
2929	{	3250	{
2930	if (!ev_default_loop_ptr)	3251	if (!ev_default_loop_ptr)
2931	{	3252	{
2932	#if EV_MULTIPLICITY	3253	#if EV_MULTIPLICITY
2933	EV_P = ev_default_loop_ptr = &default_loop_struct;	3254	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2952		3273
2953	return ev_default_loop_ptr;	3274	return ev_default_loop_ptr;
2954	}	3275	}
2955		3276
2956	void	3277	void
2957	ev_loop_fork (EV_P) EV_THROW	3278	ev_loop_fork (EV_P) EV_NOEXCEPT
2958	{	3279	{
2959	postfork = 1;	3280	postfork = 1;
2960	}	3281	}
2961		3282
2962	/*****************************************************************************/	3283	/*****************************************************************************/
…		…
2966	{	3287	{
2967	EV_CB_INVOKE ((W)w, revents);	3288	EV_CB_INVOKE ((W)w, revents);
2968	}	3289	}
2969		3290
2970	unsigned int	3291	unsigned int
2971	ev_pending_count (EV_P) EV_THROW	3292	ev_pending_count (EV_P) EV_NOEXCEPT
2972	{	3293	{
2973	int pri;	3294	int pri;
2974	unsigned int count = 0;	3295	unsigned int count = 0;
2975		3296
2976	for (pri = NUMPRI; pri--; )	3297	for (pri = NUMPRI; pri--; )
2977	count += pendingcnt [pri];	3298	count += pendingcnt [pri];
2978		3299
2979	return count;	3300	return count;
2980	}	3301	}
2981		3302
2982	void noinline	3303	noinline
		3304	void
2983	ev_invoke_pending (EV_P)	3305	ev_invoke_pending (EV_P)
2984	{	3306	{
2985	pendingpri = NUMPRI;	3307	pendingpri = NUMPRI;
2986		3308
2987	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3309	do
2988	{	3310	{
2989	--pendingpri;	3311	--pendingpri;
2990		3312
		3313	/* pendingpri possibly gets modified in the inner loop */
2991	while (pendingcnt [pendingpri])	3314	while (pendingcnt [pendingpri])
2992	{	3315	{
2993	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3316	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2994		3317
2995	p->w->pending = 0;	3318	p->w->pending = 0;
2996	EV_CB_INVOKE (p->w, p->events);	3319	EV_CB_INVOKE (p->w, p->events);
2997	EV_FREQUENT_CHECK;	3320	EV_FREQUENT_CHECK;
2998	}	3321	}
2999	}	3322	}
		3323	while (pendingpri);
3000	}	3324	}
3001		3325
3002	#if EV_IDLE_ENABLE	3326	#if EV_IDLE_ENABLE
3003	/* make idle watchers pending. this handles the "call-idle */	3327	/* make idle watchers pending. this handles the "call-idle */
3004	/* only when higher priorities are idle" logic */	3328	/* only when higher priorities are idle" logic */
…		…
3062	}	3386	}
3063	}	3387	}
3064		3388
3065	#if EV_PERIODIC_ENABLE	3389	#if EV_PERIODIC_ENABLE
3066		3390
3067	static void noinline	3391	noinline
		3392	static void
3068	periodic_recalc (EV_P_ ev_periodic *w)	3393	periodic_recalc (EV_P_ ev_periodic *w)
3069	{	3394	{
3070	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3395	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3071	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3396	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3072		3397
…		…
3130	}	3455	}
3131	}	3456	}
3132		3457
3133	/* simply recalculate all periodics */	3458	/* simply recalculate all periodics */
3134	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3459	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3135	static void noinline ecb_cold	3460	noinline ecb_cold
		3461	static void
3136	periodics_reschedule (EV_P)	3462	periodics_reschedule (EV_P)
3137	{	3463	{
3138	int i;	3464	int i;
3139		3465
3140	/* adjust periodics after time jump */	3466	/* adjust periodics after time jump */
…		…
3153	reheap (periodics, periodiccnt);	3479	reheap (periodics, periodiccnt);
3154	}	3480	}
3155	#endif	3481	#endif
3156		3482
3157	/* adjust all timers by a given offset */	3483	/* adjust all timers by a given offset */
3158	static void noinline ecb_cold	3484	noinline ecb_cold
		3485	static void
3159	timers_reschedule (EV_P_ ev_tstamp adjust)	3486	timers_reschedule (EV_P_ ev_tstamp adjust)
3160	{	3487	{
3161	int i;	3488	int i;
3162		3489
3163	for (i = 0; i < timercnt; ++i)	3490	for (i = 0; i < timercnt; ++i)
…		…
3410		3737
3411	return activecnt;	3738	return activecnt;
3412	}	3739	}
3413		3740
3414	void	3741	void
3415	ev_break (EV_P_ int how) EV_THROW	3742	ev_break (EV_P_ int how) EV_NOEXCEPT
3416	{	3743	{
3417	loop_done = how;	3744	loop_done = how;
3418	}	3745	}
3419		3746
3420	void	3747	void
3421	ev_ref (EV_P) EV_THROW	3748	ev_ref (EV_P) EV_NOEXCEPT
3422	{	3749	{
3423	++activecnt;	3750	++activecnt;
3424	}	3751	}
3425		3752
3426	void	3753	void
3427	ev_unref (EV_P) EV_THROW	3754	ev_unref (EV_P) EV_NOEXCEPT
3428	{	3755	{
3429	--activecnt;	3756	--activecnt;
3430	}	3757	}
3431		3758
3432	void	3759	void
3433	ev_now_update (EV_P) EV_THROW	3760	ev_now_update (EV_P) EV_NOEXCEPT
3434	{	3761	{
3435	time_update (EV_A_ 1e100);	3762	time_update (EV_A_ 1e100);
3436	}	3763	}
3437		3764
3438	void	3765	void
3439	ev_suspend (EV_P) EV_THROW	3766	ev_suspend (EV_P) EV_NOEXCEPT
3440	{	3767	{
3441	ev_now_update (EV_A);	3768	ev_now_update (EV_A);
3442	}	3769	}
3443		3770
3444	void	3771	void
3445	ev_resume (EV_P) EV_THROW	3772	ev_resume (EV_P) EV_NOEXCEPT
3446	{	3773	{
3447	ev_tstamp mn_prev = mn_now;	3774	ev_tstamp mn_prev = mn_now;
3448		3775
3449	ev_now_update (EV_A);	3776	ev_now_update (EV_A);
3450	timers_reschedule (EV_A_ mn_now - mn_prev);	3777	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3489	w->pending = 0;	3816	w->pending = 0;
3490	}	3817	}
3491	}	3818	}
3492		3819
3493	int	3820	int
3494	ev_clear_pending (EV_P_ void *w) EV_THROW	3821	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3495	{	3822	{
3496	W w_ = (W)w;	3823	W w_ = (W)w;
3497	int pending = w_->pending;	3824	int pending = w_->pending;
3498		3825
3499	if (expect_true (pending))	3826	if (expect_true (pending))
…		…
3531	w->active = 0;	3858	w->active = 0;
3532	}	3859	}
3533		3860
3534	/*****************************************************************************/	3861	/*****************************************************************************/
3535		3862
3536	void noinline	3863	noinline
		3864	void
3537	ev_io_start (EV_P_ ev_io *w) EV_THROW	3865	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3538	{	3866	{
3539	int fd = w->fd;	3867	int fd = w->fd;
3540		3868
3541	if (expect_false (ev_is_active (w)))	3869	if (expect_false (ev_is_active (w)))
3542	return;	3870	return;
…		…
3557	w->events &= ~EV__IOFDSET;	3885	w->events &= ~EV__IOFDSET;
3558		3886
3559	EV_FREQUENT_CHECK;	3887	EV_FREQUENT_CHECK;
3560	}	3888	}
3561		3889
3562	void noinline	3890	noinline
		3891	void
3563	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3892	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3564	{	3893	{
3565	clear_pending (EV_A_ (W)w);	3894	clear_pending (EV_A_ (W)w);
3566	if (expect_false (!ev_is_active (w)))	3895	if (expect_false (!ev_is_active (w)))
3567	return;	3896	return;
3568		3897
…		…
3576	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3905	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3577		3906
3578	EV_FREQUENT_CHECK;	3907	EV_FREQUENT_CHECK;
3579	}	3908	}
3580		3909
3581	void noinline	3910	noinline
		3911	void
3582	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3912	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3583	{	3913	{
3584	if (expect_false (ev_is_active (w)))	3914	if (expect_false (ev_is_active (w)))
3585	return;	3915	return;
3586		3916
3587	ev_at (w) += mn_now;	3917	ev_at (w) += mn_now;
…		…
3600	EV_FREQUENT_CHECK;	3930	EV_FREQUENT_CHECK;
3601		3931
3602	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3932	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3603	}	3933	}
3604		3934
3605	void noinline	3935	noinline
		3936	void
3606	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3937	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3607	{	3938	{
3608	clear_pending (EV_A_ (W)w);	3939	clear_pending (EV_A_ (W)w);
3609	if (expect_false (!ev_is_active (w)))	3940	if (expect_false (!ev_is_active (w)))
3610	return;	3941	return;
3611		3942
…		…
3630	ev_stop (EV_A_ (W)w);	3961	ev_stop (EV_A_ (W)w);
3631		3962
3632	EV_FREQUENT_CHECK;	3963	EV_FREQUENT_CHECK;
3633	}	3964	}
3634		3965
3635	void noinline	3966	noinline
		3967	void
3636	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	3968	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3637	{	3969	{
3638	EV_FREQUENT_CHECK;	3970	EV_FREQUENT_CHECK;
3639		3971
3640	clear_pending (EV_A_ (W)w);	3972	clear_pending (EV_A_ (W)w);
3641		3973
…		…
3658		3990
3659	EV_FREQUENT_CHECK;	3991	EV_FREQUENT_CHECK;
3660	}	3992	}
3661		3993
3662	ev_tstamp	3994	ev_tstamp
3663	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	3995	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3664	{	3996	{
3665	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3997	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3666	}	3998	}
3667		3999
3668	#if EV_PERIODIC_ENABLE	4000	#if EV_PERIODIC_ENABLE
3669	void noinline	4001	noinline
		4002	void
3670	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4003	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3671	{	4004	{
3672	if (expect_false (ev_is_active (w)))	4005	if (expect_false (ev_is_active (w)))
3673	return;	4006	return;
3674		4007
3675	if (w->reschedule_cb)	4008	if (w->reschedule_cb)
…		…
3694	EV_FREQUENT_CHECK;	4027	EV_FREQUENT_CHECK;
3695		4028
3696	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4029	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3697	}	4030	}
3698		4031
3699	void noinline	4032	noinline
		4033	void
3700	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4034	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3701	{	4035	{
3702	clear_pending (EV_A_ (W)w);	4036	clear_pending (EV_A_ (W)w);
3703	if (expect_false (!ev_is_active (w)))	4037	if (expect_false (!ev_is_active (w)))
3704	return;	4038	return;
3705		4039
…		…
3722	ev_stop (EV_A_ (W)w);	4056	ev_stop (EV_A_ (W)w);
3723		4057
3724	EV_FREQUENT_CHECK;	4058	EV_FREQUENT_CHECK;
3725	}	4059	}
3726		4060
3727	void noinline	4061	noinline
		4062	void
3728	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4063	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3729	{	4064	{
3730	/* TODO: use adjustheap and recalculation */	4065	/* TODO: use adjustheap and recalculation */
3731	ev_periodic_stop (EV_A_ w);	4066	ev_periodic_stop (EV_A_ w);
3732	ev_periodic_start (EV_A_ w);	4067	ev_periodic_start (EV_A_ w);
3733	}	4068	}
…		…
3737	# define SA_RESTART 0	4072	# define SA_RESTART 0
3738	#endif	4073	#endif
3739		4074
3740	#if EV_SIGNAL_ENABLE	4075	#if EV_SIGNAL_ENABLE
3741		4076
3742	void noinline	4077	noinline
		4078	void
3743	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4079	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3744	{	4080	{
3745	if (expect_false (ev_is_active (w)))	4081	if (expect_false (ev_is_active (w)))
3746	return;	4082	return;
3747		4083
3748	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4084	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3819	}	4155	}
3820		4156
3821	EV_FREQUENT_CHECK;	4157	EV_FREQUENT_CHECK;
3822	}	4158	}
3823		4159
3824	void noinline	4160	noinline
		4161	void
3825	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4162	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3826	{	4163	{
3827	clear_pending (EV_A_ (W)w);	4164	clear_pending (EV_A_ (W)w);
3828	if (expect_false (!ev_is_active (w)))	4165	if (expect_false (!ev_is_active (w)))
3829	return;	4166	return;
3830		4167
…		…
3861	#endif	4198	#endif
3862		4199
3863	#if EV_CHILD_ENABLE	4200	#if EV_CHILD_ENABLE
3864		4201
3865	void	4202	void
3866	ev_child_start (EV_P_ ev_child *w) EV_THROW	4203	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3867	{	4204	{
3868	#if EV_MULTIPLICITY	4205	#if EV_MULTIPLICITY
3869	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4206	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3870	#endif	4207	#endif
3871	if (expect_false (ev_is_active (w)))	4208	if (expect_false (ev_is_active (w)))
…		…
3878		4215
3879	EV_FREQUENT_CHECK;	4216	EV_FREQUENT_CHECK;
3880	}	4217	}
3881		4218
3882	void	4219	void
3883	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4220	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3884	{	4221	{
3885	clear_pending (EV_A_ (W)w);	4222	clear_pending (EV_A_ (W)w);
3886	if (expect_false (!ev_is_active (w)))	4223	if (expect_false (!ev_is_active (w)))
3887	return;	4224	return;
3888		4225
…		…
3905		4242
3906	#define DEF_STAT_INTERVAL 5.0074891	4243	#define DEF_STAT_INTERVAL 5.0074891
3907	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4244	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3908	#define MIN_STAT_INTERVAL 0.1074891	4245	#define MIN_STAT_INTERVAL 0.1074891
3909		4246
3910	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4247	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3911		4248
3912	#if EV_USE_INOTIFY	4249	#if EV_USE_INOTIFY
3913		4250
3914	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4251	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3915	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4252	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3916		4253
3917	static void noinline	4254	noinline
		4255	static void
3918	infy_add (EV_P_ ev_stat *w)	4256	infy_add (EV_P_ ev_stat *w)
3919	{	4257	{
3920	w->wd = inotify_add_watch (fs_fd, w->path,	4258	w->wd = inotify_add_watch (fs_fd, w->path,
3921	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4259	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3922	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4260	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
3986	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4324	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3987	ev_timer_again (EV_A_ &w->timer);	4325	ev_timer_again (EV_A_ &w->timer);
3988	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4326	if (ev_is_active (&w->timer)) ev_unref (EV_A);
3989	}	4327	}
3990		4328
3991	static void noinline	4329	noinline
		4330	static void
3992	infy_del (EV_P_ ev_stat *w)	4331	infy_del (EV_P_ ev_stat *w)
3993	{	4332	{
3994	int slot;	4333	int slot;
3995	int wd = w->wd;	4334	int wd = w->wd;
3996		4335
…		…
4003		4342
4004	/* remove this watcher, if others are watching it, they will rearm */	4343	/* remove this watcher, if others are watching it, they will rearm */
4005	inotify_rm_watch (fs_fd, wd);	4344	inotify_rm_watch (fs_fd, wd);
4006	}	4345	}
4007		4346
4008	static void noinline	4347	noinline
		4348	static void
4009	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4349	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4010	{	4350	{
4011	if (slot < 0)	4351	if (slot < 0)
4012	/* overflow, need to check for all hash slots */	4352	/* overflow, need to check for all hash slots */
4013	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4353	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4049	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4389	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4050	ofs += sizeof (struct inotify_event) + ev->len;	4390	ofs += sizeof (struct inotify_event) + ev->len;
4051	}	4391	}
4052	}	4392	}
4053		4393
4054	inline_size void ecb_cold	4394	inline_size ecb_cold
		4395	void
4055	ev_check_2625 (EV_P)	4396	ev_check_2625 (EV_P)
4056	{	4397	{
4057	/* kernels < 2.6.25 are borked	4398	/* kernels < 2.6.25 are borked
4058	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4399	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4059	*/	4400	*/
…		…
4149	#else	4490	#else
4150	# define EV_LSTAT(p,b) lstat (p, b)	4491	# define EV_LSTAT(p,b) lstat (p, b)
4151	#endif	4492	#endif
4152		4493
4153	void	4494	void
4154	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4495	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4155	{	4496	{
4156	if (lstat (w->path, &w->attr) < 0)	4497	if (lstat (w->path, &w->attr) < 0)
4157	w->attr.st_nlink = 0;	4498	w->attr.st_nlink = 0;
4158	else if (!w->attr.st_nlink)	4499	else if (!w->attr.st_nlink)
4159	w->attr.st_nlink = 1;	4500	w->attr.st_nlink = 1;
4160	}	4501	}
4161		4502
4162	static void noinline	4503	noinline
		4504	static void
4163	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4505	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4164	{	4506	{
4165	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4507	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4166		4508
4167	ev_statdata prev = w->attr;	4509	ev_statdata prev = w->attr;
…		…
4198	ev_feed_event (EV_A_ w, EV_STAT);	4540	ev_feed_event (EV_A_ w, EV_STAT);
4199	}	4541	}
4200	}	4542	}
4201		4543
4202	void	4544	void
4203	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4545	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4204	{	4546	{
4205	if (expect_false (ev_is_active (w)))	4547	if (expect_false (ev_is_active (w)))
4206	return;	4548	return;
4207		4549
4208	ev_stat_stat (EV_A_ w);	4550	ev_stat_stat (EV_A_ w);
…		…
4229		4571
4230	EV_FREQUENT_CHECK;	4572	EV_FREQUENT_CHECK;
4231	}	4573	}
4232		4574
4233	void	4575	void
4234	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4576	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4235	{	4577	{
4236	clear_pending (EV_A_ (W)w);	4578	clear_pending (EV_A_ (W)w);
4237	if (expect_false (!ev_is_active (w)))	4579	if (expect_false (!ev_is_active (w)))
4238	return;	4580	return;
4239		4581
…		…
4255	}	4597	}
4256	#endif	4598	#endif
4257		4599
4258	#if EV_IDLE_ENABLE	4600	#if EV_IDLE_ENABLE
4259	void	4601	void
4260	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4602	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4261	{	4603	{
4262	if (expect_false (ev_is_active (w)))	4604	if (expect_false (ev_is_active (w)))
4263	return;	4605	return;
4264		4606
4265	pri_adjust (EV_A_ (W)w);	4607	pri_adjust (EV_A_ (W)w);
…		…
4278		4620
4279	EV_FREQUENT_CHECK;	4621	EV_FREQUENT_CHECK;
4280	}	4622	}
4281		4623
4282	void	4624	void
4283	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4625	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4284	{	4626	{
4285	clear_pending (EV_A_ (W)w);	4627	clear_pending (EV_A_ (W)w);
4286	if (expect_false (!ev_is_active (w)))	4628	if (expect_false (!ev_is_active (w)))
4287	return;	4629	return;
4288		4630
…		…
4302	}	4644	}
4303	#endif	4645	#endif
4304		4646
4305	#if EV_PREPARE_ENABLE	4647	#if EV_PREPARE_ENABLE
4306	void	4648	void
4307	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4649	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4308	{	4650	{
4309	if (expect_false (ev_is_active (w)))	4651	if (expect_false (ev_is_active (w)))
4310	return;	4652	return;
4311		4653
4312	EV_FREQUENT_CHECK;	4654	EV_FREQUENT_CHECK;
…		…
4317		4659
4318	EV_FREQUENT_CHECK;	4660	EV_FREQUENT_CHECK;
4319	}	4661	}
4320		4662
4321	void	4663	void
4322	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4664	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4323	{	4665	{
4324	clear_pending (EV_A_ (W)w);	4666	clear_pending (EV_A_ (W)w);
4325	if (expect_false (!ev_is_active (w)))	4667	if (expect_false (!ev_is_active (w)))
4326	return;	4668	return;
4327		4669
…		…
4340	}	4682	}
4341	#endif	4683	#endif
4342		4684
4343	#if EV_CHECK_ENABLE	4685	#if EV_CHECK_ENABLE
4344	void	4686	void
4345	ev_check_start (EV_P_ ev_check *w) EV_THROW	4687	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4346	{	4688	{
4347	if (expect_false (ev_is_active (w)))	4689	if (expect_false (ev_is_active (w)))
4348	return;	4690	return;
4349		4691
4350	EV_FREQUENT_CHECK;	4692	EV_FREQUENT_CHECK;
…		…
4355		4697
4356	EV_FREQUENT_CHECK;	4698	EV_FREQUENT_CHECK;
4357	}	4699	}
4358		4700
4359	void	4701	void
4360	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4702	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4361	{	4703	{
4362	clear_pending (EV_A_ (W)w);	4704	clear_pending (EV_A_ (W)w);
4363	if (expect_false (!ev_is_active (w)))	4705	if (expect_false (!ev_is_active (w)))
4364	return;	4706	return;
4365		4707
…		…
4377	EV_FREQUENT_CHECK;	4719	EV_FREQUENT_CHECK;
4378	}	4720	}
4379	#endif	4721	#endif
4380		4722
4381	#if EV_EMBED_ENABLE	4723	#if EV_EMBED_ENABLE
4382	void noinline	4724	noinline
		4725	void
4383	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4726	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4384	{	4727	{
4385	ev_run (w->other, EVRUN_NOWAIT);	4728	ev_run (w->other, EVRUN_NOWAIT);
4386	}	4729	}
4387		4730
4388	static void	4731	static void
…		…
4436	ev_idle_stop (EV_A_ idle);	4779	ev_idle_stop (EV_A_ idle);
4437	}	4780	}
4438	#endif	4781	#endif
4439		4782
4440	void	4783	void
4441	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4784	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4442	{	4785	{
4443	if (expect_false (ev_is_active (w)))	4786	if (expect_false (ev_is_active (w)))
4444	return;	4787	return;
4445		4788
4446	{	4789	{
…		…
4467		4810
4468	EV_FREQUENT_CHECK;	4811	EV_FREQUENT_CHECK;
4469	}	4812	}
4470		4813
4471	void	4814	void
4472	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4815	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4473	{	4816	{
4474	clear_pending (EV_A_ (W)w);	4817	clear_pending (EV_A_ (W)w);
4475	if (expect_false (!ev_is_active (w)))	4818	if (expect_false (!ev_is_active (w)))
4476	return;	4819	return;
4477		4820
…		…
4487	}	4830	}
4488	#endif	4831	#endif
4489		4832
4490	#if EV_FORK_ENABLE	4833	#if EV_FORK_ENABLE
4491	void	4834	void
4492	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4835	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4493	{	4836	{
4494	if (expect_false (ev_is_active (w)))	4837	if (expect_false (ev_is_active (w)))
4495	return;	4838	return;
4496		4839
4497	EV_FREQUENT_CHECK;	4840	EV_FREQUENT_CHECK;
…		…
4502		4845
4503	EV_FREQUENT_CHECK;	4846	EV_FREQUENT_CHECK;
4504	}	4847	}
4505		4848
4506	void	4849	void
4507	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4850	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4508	{	4851	{
4509	clear_pending (EV_A_ (W)w);	4852	clear_pending (EV_A_ (W)w);
4510	if (expect_false (!ev_is_active (w)))	4853	if (expect_false (!ev_is_active (w)))
4511	return;	4854	return;
4512		4855
…		…
4525	}	4868	}
4526	#endif	4869	#endif
4527		4870
4528	#if EV_CLEANUP_ENABLE	4871	#if EV_CLEANUP_ENABLE
4529	void	4872	void
4530	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4873	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4531	{	4874	{
4532	if (expect_false (ev_is_active (w)))	4875	if (expect_false (ev_is_active (w)))
4533	return;	4876	return;
4534		4877
4535	EV_FREQUENT_CHECK;	4878	EV_FREQUENT_CHECK;
…		…
4542	ev_unref (EV_A);	4885	ev_unref (EV_A);
4543	EV_FREQUENT_CHECK;	4886	EV_FREQUENT_CHECK;
4544	}	4887	}
4545		4888
4546	void	4889	void
4547	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4890	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4548	{	4891	{
4549	clear_pending (EV_A_ (W)w);	4892	clear_pending (EV_A_ (W)w);
4550	if (expect_false (!ev_is_active (w)))	4893	if (expect_false (!ev_is_active (w)))
4551	return;	4894	return;
4552		4895
…		…
4566	}	4909	}
4567	#endif	4910	#endif
4568		4911
4569	#if EV_ASYNC_ENABLE	4912	#if EV_ASYNC_ENABLE
4570	void	4913	void
4571	ev_async_start (EV_P_ ev_async *w) EV_THROW	4914	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4572	{	4915	{
4573	if (expect_false (ev_is_active (w)))	4916	if (expect_false (ev_is_active (w)))
4574	return;	4917	return;
4575		4918
4576	w->sent = 0;	4919	w->sent = 0;
…		…
4585		4928
4586	EV_FREQUENT_CHECK;	4929	EV_FREQUENT_CHECK;
4587	}	4930	}
4588		4931
4589	void	4932	void
4590	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4933	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4591	{	4934	{
4592	clear_pending (EV_A_ (W)w);	4935	clear_pending (EV_A_ (W)w);
4593	if (expect_false (!ev_is_active (w)))	4936	if (expect_false (!ev_is_active (w)))
4594	return;	4937	return;
4595		4938
…		…
4606		4949
4607	EV_FREQUENT_CHECK;	4950	EV_FREQUENT_CHECK;
4608	}	4951	}
4609		4952
4610	void	4953	void
4611	ev_async_send (EV_P_ ev_async *w) EV_THROW	4954	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4612	{	4955	{
4613	w->sent = 1;	4956	w->sent = 1;
4614	evpipe_write (EV_A_ &async_pending);	4957	evpipe_write (EV_A_ &async_pending);
4615	}	4958	}
4616	#endif	4959	#endif
…		…
4653		4996
4654	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4997	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4655	}	4998	}
4656		4999
4657	void	5000	void
4658	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5001	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4659	{	5002	{
4660	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5003	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4661		5004
4662	if (expect_false (!once))	5005	if (expect_false (!once))
4663	{	5006	{
…		…
4684	}	5027	}
4685		5028
4686	/*****************************************************************************/	5029	/*****************************************************************************/
4687		5030
4688	#if EV_WALK_ENABLE	5031	#if EV_WALK_ENABLE
4689	void ecb_cold	5032	ecb_cold
		5033	void
4690	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5034	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4691	{	5035	{
4692	int i, j;	5036	int i, j;
4693	ev_watcher_list *wl, *wn;	5037	ev_watcher_list *wl, *wn;
4694		5038
4695	if (types & (EV_IO | EV_EMBED))	5039	if (types & (EV_IO | EV_EMBED))

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