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Comparing libev/ev.c (file contents):
Revision 1.452 by root, Mon Feb 18 03:20:29 2013 UTC vs.
Revision 1.489 by root, Sat Dec 29 14:23:20 2018 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2018 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
162	# define EV_USE_EVENTFD 0	162	# define EV_USE_EVENTFD 0
163	# endif	163	# endif
164		164
165	#endif	165	#endif
166		166
		167	/* OS X, in its infinite idiocy, actually HARDCODES
		168	* a limit of 1024 into their select. Where people have brains,
		169	* OS X engineers apparently have a vacuum. Or maybe they were
		170	* ordered to have a vacuum, or they do anything for money.
		171	* This might help. Or not.
		172	* Note that this must be defined early, as other include files
		173	* will rely on this define as well.
		174	*/
		175	#define _DARWIN_UNLIMITED_SELECT 1
		176
167	#include <stdlib.h>	177	#include <stdlib.h>
168	#include <string.h>	178	#include <string.h>
169	#include <fcntl.h>	179	#include <fcntl.h>
170	#include <stddef.h>	180	#include <stddef.h>
171		181
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	218	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	219	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	220	# endif
211	# undef EV_AVOID_STDIO	221	# undef EV_AVOID_STDIO
212	#endif	222	#endif
213
214	/* OS X, in its infinite idiocy, actually HARDCODES
215	* a limit of 1024 into their select. Where people have brains,
216	* OS X engineers apparently have a vacuum. Or maybe they were
217	* ordered to have a vacuum, or they do anything for money.
218	* This might help. Or not.
219	*/
220	#define _DARWIN_UNLIMITED_SELECT 1
221		223
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	224	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		225
224	/* try to deduce the maximum number of signals on this platform */	226	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	227	#if defined EV_NSIG
…		…
241	#elif defined SIGARRAYSIZE	243	#elif defined SIGARRAYSIZE
242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	244	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
243	#elif defined _sys_nsig	245	#elif defined _sys_nsig
244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	246	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
245	#else	247	#else
246	# error "unable to find value for NSIG, please report"	248	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
247	/* to make it compile regardless, just remove the above line, */
248	/* but consider reporting it, too! :) */
249	# define EV_NSIG 65
250	#endif	249	#endif
251		250
252	#ifndef EV_USE_FLOOR	251	#ifndef EV_USE_FLOOR
253	# define EV_USE_FLOOR 0	252	# define EV_USE_FLOOR 0
254	#endif	253	#endif
255		254
256	#ifndef EV_USE_CLOCK_SYSCALL	255	#ifndef EV_USE_CLOCK_SYSCALL
257	# if __linux && __GLIBC__ >= 2	256	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
258	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	257	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
259	# else	258	# else
260	# define EV_USE_CLOCK_SYSCALL 0	259	# define EV_USE_CLOCK_SYSCALL 0
		260	# endif
		261	#endif
		262
		263	#if !(_POSIX_TIMERS > 0)
		264	# ifndef EV_USE_MONOTONIC
		265	# define EV_USE_MONOTONIC 0
		266	# endif
		267	# ifndef EV_USE_REALTIME
		268	# define EV_USE_REALTIME 0
261	# endif	269	# endif
262	#endif	270	#endif
263		271
264	#ifndef EV_USE_MONOTONIC	272	#ifndef EV_USE_MONOTONIC
265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	273	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
…		…
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 0x00010002	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
		570	#endif
		571	#endif
		572
		573	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		574	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		575
		576	/* work around x32 idiocy by defining proper macros */
		577	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
		578	#if _ILP32
		579	#define ECB_AMD64_X32 1
		580	#else
		581	#define ECB_AMD64 1
551	#endif	582	#endif
552	#endif	583	#endif
553		584
554	/* many compilers define _GNUC_ to some versions but then only implement	585	/* many compilers define _GNUC_ to some versions but then only implement
555	* what their idiot authors think are the "more important" extensions,	586	* what their idiot authors think are the "more important" extensions,
556	* causing enormous grief in return for some better fake benchmark numbers.	587	* causing enormous grief in return for some better fake benchmark numbers.
557	* or so.	588	* or so.
558	* 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
559	* 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.
560	*/	591	*/
561	#ifndef ECB_GCC_VERSION
562	#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__
563	#define ECB_GCC_VERSION(major,minor) 0	593	#define ECB_GCC_VERSION(major,minor) 0
564	#else	594	#else
565	#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)))
566	#endif	596	#endif
567	#endif
568		597
569	#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)))
570	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	599
571	#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
572	#define ECB_CPP (__cplusplus+0)	612	#define ECB_CPP (__cplusplus+0)
573	#define ECB_CPP11 (__cplusplus >= 201103L)	613	#define ECB_CPP11 (__cplusplus >= 201103L)
		614	#define ECB_CPP14 (__cplusplus >= 201402L)
		615	#define ECB_CPP17 (__cplusplus >= 201703L)
		616
		617	#if ECB_CPP
		618	#define ECB_C 0
		619	#define ECB_STDC_VERSION 0
		620	#else
		621	#define ECB_C 1
		622	#define ECB_STDC_VERSION __STDC_VERSION__
		623	#endif
		624
		625	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		626	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		627	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
574		628
575	#if ECB_CPP	629	#if ECB_CPP
576	#define ECB_EXTERN_C extern "C"	630	#define ECB_EXTERN_C extern "C"
577	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	631	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
578	#define ECB_EXTERN_C_END }	632	#define ECB_EXTERN_C_END }
…		…
591	#define ECB_NO_SMP 1	645	#define ECB_NO_SMP 1
592	#endif	646	#endif
593		647
594	#if ECB_NO_SMP	648	#if ECB_NO_SMP
595	#define ECB_MEMORY_FENCE do { } while (0)	649	#define ECB_MEMORY_FENCE do { } while (0)
		650	#endif
		651
		652	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		653	#if __xlC__ && ECB_CPP
		654	#include <builtins.h>
		655	#endif
		656
		657	#if 1400 <= _MSC_VER
		658	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
596	#endif	659	#endif
597		660
598	#ifndef ECB_MEMORY_FENCE	661	#ifndef ECB_MEMORY_FENCE
599	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	662	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
600	#if __i386 || __i386__	663	#if __i386 || __i386__
601	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	664	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
602	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	665	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
603	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	666	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
604	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	667	#elif ECB_GCC_AMD64
605	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	668	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
606	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	669	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
607	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	670	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
608	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	671	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
609	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	672	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		673	#elif defined __ARM_ARCH_2__ \
		674	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		675	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		676	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		677	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		678	|| defined __ARM_ARCH_5TEJ__
		679	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
610	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	680	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
611	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	681	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		682	|| defined __ARM_ARCH_6T2__
612	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	683	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
613	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	684	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
614	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	685	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	686	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
616	#elif __sparc || __sparc__	687	#elif __aarch64__
		688	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		689	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
617	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	690	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
618	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	691	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
619	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	692	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
620	#elif defined __s390__ || defined __s390x__	693	#elif defined __s390__ || defined __s390x__
621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	694	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
622	#elif defined __mips__	695	#elif defined __mips__
		696	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		697	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	698	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
624	#elif defined __alpha__	699	#elif defined __alpha__
625	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")	700	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
626	#elif defined __hppa__	701	#elif defined __hppa__
627	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")	702	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	703	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
629	#elif defined __ia64__	704	#elif defined __ia64__
630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")	705	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		706	#elif defined __m68k__
		707	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		708	#elif defined __m88k__
		709	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		710	#elif defined __sh__
		711	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
631	#endif	712	#endif
632	#endif	713	#endif
633	#endif	714	#endif
634		715
635	#ifndef ECB_MEMORY_FENCE	716	#ifndef ECB_MEMORY_FENCE
636	#if ECB_GCC_VERSION(4,7)	717	#if ECB_GCC_VERSION(4,7)
637	/* see comment below (stdatomic.h) about the C11 memory model. */	718	/* see comment below (stdatomic.h) about the C11 memory model. */
638	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	719	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		720	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		721	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
639		722
640	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	723	#elif ECB_CLANG_EXTENSION(c_atomic)
641	* without risking compile time errors with other compilers. We *could*
642	* define our own ecb_clang_has_feature, but I just can't be bothered to work
643	* around this shit time and again.
644	* #elif defined __clang && __has_feature (cxx_atomic)
645	* // see comment below (stdatomic.h) about the C11 memory model.	724	/* see comment below (stdatomic.h) about the C11 memory model. */
646	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	725	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
647	*/	726	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		727	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
648		728
649	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	729	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
650	#define ECB_MEMORY_FENCE __sync_synchronize ()	730	#define ECB_MEMORY_FENCE __sync_synchronize ()
		731	#elif _MSC_VER >= 1500 /* VC++ 2008 */
		732	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		733	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		734	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		735	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		736	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
651	#elif _MSC_VER >= 1400 /* VC++ 2005 */	737	#elif _MSC_VER >= 1400 /* VC++ 2005 */
652	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	738	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
653	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	739	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
654	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	740	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
655	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	741	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
…		…
675	/* any fence other than seq_cst, which isn't very efficient for us. */	761	/* any fence other than seq_cst, which isn't very efficient for us. */
676	/* Why that is, we don't know - either the C11 memory model is quite useless */	762	/* Why that is, we don't know - either the C11 memory model is quite useless */
677	/* for most usages, or gcc and clang have a bug */	763	/* for most usages, or gcc and clang have a bug */
678	/* I *currently* lean towards the latter, and inefficiently implement */	764	/* I *currently* lean towards the latter, and inefficiently implement */
679	/* all three of ecb's fences as a seq_cst fence */	765	/* all three of ecb's fences as a seq_cst fence */
		766	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		767	/* for all __atomic_thread_fence's except seq_cst */
680	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	768	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
681	#endif	769	#endif
682	#endif	770	#endif
683		771
684	#ifndef ECB_MEMORY_FENCE	772	#ifndef ECB_MEMORY_FENCE
…		…
707	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	795	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
708	#endif	796	#endif
709		797
710	/*****************************************************************************/	798	/*****************************************************************************/
711		799
712	#if __cplusplus	800	#if ECB_CPP
713	#define ecb_inline static inline	801	#define ecb_inline static inline
714	#elif ECB_GCC_VERSION(2,5)	802	#elif ECB_GCC_VERSION(2,5)
715	#define ecb_inline static __inline__	803	#define ecb_inline static __inline__
716	#elif ECB_C99	804	#elif ECB_C99
717	#define ecb_inline static inline	805	#define ecb_inline static inline
…		…
731		819
732	#define ECB_CONCAT_(a, b) a ## b	820	#define ECB_CONCAT_(a, b) a ## b
733	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	821	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
734	#define ECB_STRINGIFY_(a) # a	822	#define ECB_STRINGIFY_(a) # a
735	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	823	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		824	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
736		825
737	#define ecb_function_ ecb_inline	826	#define ecb_function_ ecb_inline
738		827
739	#if ECB_GCC_VERSION(3,1)	828	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
740	#define ecb_attribute(attrlist) __attribute__(attrlist)	829	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		830	#else
		831	#define ecb_attribute(attrlist)
		832	#endif
		833
		834	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
741	#define ecb_is_constant(expr) __builtin_constant_p (expr)	835	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		836	#else
		837	/* possible C11 impl for integral types
		838	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		839	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		840
		841	#define ecb_is_constant(expr) 0
		842	#endif
		843
		844	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
742	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	845	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		846	#else
		847	#define ecb_expect(expr,value) (expr)
		848	#endif
		849
		850	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
743	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	851	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
744	#else	852	#else
745	#define ecb_attribute(attrlist)
746	#define ecb_is_constant(expr) 0
747	#define ecb_expect(expr,value) (expr)
748	#define ecb_prefetch(addr,rw,locality)	853	#define ecb_prefetch(addr,rw,locality)
749	#endif	854	#endif
750		855
751	/* no emulation for ecb_decltype */	856	/* no emulation for ecb_decltype */
752	#if ECB_GCC_VERSION(4,5)	857	#if ECB_CPP11
		858	// older implementations might have problems with decltype(x)::type, work around it
		859	template<class T> struct ecb_decltype_t { typedef T type; };
753	#define ecb_decltype(x) __decltype(x)	860	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
754	#elif ECB_GCC_VERSION(3,0)	861	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
755	#define ecb_decltype(x) __typeof(x)	862	#define ecb_decltype(x) __typeof__ (x)
756	#endif	863	#endif
757		864
		865	#if _MSC_VER >= 1300
		866	#define ecb_deprecated __declspec (deprecated)
		867	#else
		868	#define ecb_deprecated ecb_attribute ((__deprecated__))
		869	#endif
		870
		871	#if _MSC_VER >= 1500
		872	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		873	#elif ECB_GCC_VERSION(4,5)
		874	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		875	#else
		876	#define ecb_deprecated_message(msg) ecb_deprecated
		877	#endif
		878
		879	#if _MSC_VER >= 1400
		880	#define ecb_noinline __declspec (noinline)
		881	#else
758	#define ecb_noinline ecb_attribute ((__noinline__))	882	#define ecb_noinline ecb_attribute ((__noinline__))
		883	#endif
		884
759	#define ecb_unused ecb_attribute ((__unused__))	885	#define ecb_unused ecb_attribute ((__unused__))
760	#define ecb_const ecb_attribute ((__const__))	886	#define ecb_const ecb_attribute ((__const__))
761	#define ecb_pure ecb_attribute ((__pure__))	887	#define ecb_pure ecb_attribute ((__pure__))
762		888
763	#if ECB_C11	889	#if ECB_C11 || __IBMC_NORETURN
		890	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
764	#define ecb_noreturn _Noreturn	891	#define ecb_noreturn _Noreturn
		892	#elif ECB_CPP11
		893	#define ecb_noreturn [[noreturn]]
		894	#elif _MSC_VER >= 1200
		895	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		896	#define ecb_noreturn __declspec (noreturn)
765	#else	897	#else
766	#define ecb_noreturn ecb_attribute ((__noreturn__))	898	#define ecb_noreturn ecb_attribute ((__noreturn__))
767	#endif	899	#endif
768		900
769	#if ECB_GCC_VERSION(4,3)	901	#if ECB_GCC_VERSION(4,3)
…		…
784	/* for compatibility to the rest of the world */	916	/* for compatibility to the rest of the world */
785	#define ecb_likely(expr) ecb_expect_true (expr)	917	#define ecb_likely(expr) ecb_expect_true (expr)
786	#define ecb_unlikely(expr) ecb_expect_false (expr)	918	#define ecb_unlikely(expr) ecb_expect_false (expr)
787		919
788	/* count trailing zero bits and count # of one bits */	920	/* count trailing zero bits and count # of one bits */
789	#if ECB_GCC_VERSION(3,4)	921	#if ECB_GCC_VERSION(3,4) \
		922	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		923	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		924	&& ECB_CLANG_BUILTIN(__builtin_popcount))
790	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	925	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
791	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	926	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
792	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	927	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
793	#define ecb_ctz32(x) __builtin_ctz (x)	928	#define ecb_ctz32(x) __builtin_ctz (x)
794	#define ecb_ctz64(x) __builtin_ctzll (x)	929	#define ecb_ctz64(x) __builtin_ctzll (x)
795	#define ecb_popcount32(x) __builtin_popcount (x)	930	#define ecb_popcount32(x) __builtin_popcount (x)
796	/* no popcountll */	931	/* no popcountll */
797	#else	932	#else
798	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	933	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
799	ecb_function_ int	934	ecb_function_ ecb_const int
800	ecb_ctz32 (uint32_t x)	935	ecb_ctz32 (uint32_t x)
801	{	936	{
		937	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		938	unsigned long r;
		939	_BitScanForward (&r, x);
		940	return (int)r;
		941	#else
802	int r = 0;	942	int r = 0;
803		943
804	x &= ~x + 1; /* this isolates the lowest bit */	944	x &= ~x + 1; /* this isolates the lowest bit */
805		945
806	#if ECB_branchless_on_i386	946	#if ECB_branchless_on_i386
…		…
816	if (x & 0xff00ff00) r += 8;	956	if (x & 0xff00ff00) r += 8;
817	if (x & 0xffff0000) r += 16;	957	if (x & 0xffff0000) r += 16;
818	#endif	958	#endif
819		959
820	return r;	960	return r;
		961	#endif
821	}	962	}
822		963
823	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	964	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
824	ecb_function_ int	965	ecb_function_ ecb_const int
825	ecb_ctz64 (uint64_t x)	966	ecb_ctz64 (uint64_t x)
826	{	967	{
		968	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		969	unsigned long r;
		970	_BitScanForward64 (&r, x);
		971	return (int)r;
		972	#else
827	int shift = x & 0xffffffffU ? 0 : 32;	973	int shift = x & 0xffffffff ? 0 : 32;
828	return ecb_ctz32 (x >> shift) + shift;	974	return ecb_ctz32 (x >> shift) + shift;
		975	#endif
829	}	976	}
830		977
831	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	978	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
832	ecb_function_ int	979	ecb_function_ ecb_const int
833	ecb_popcount32 (uint32_t x)	980	ecb_popcount32 (uint32_t x)
834	{	981	{
835	x -= (x >> 1) & 0x55555555;	982	x -= (x >> 1) & 0x55555555;
836	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	983	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
837	x = ((x >> 4) + x) & 0x0f0f0f0f;	984	x = ((x >> 4) + x) & 0x0f0f0f0f;
838	x *= 0x01010101;	985	x *= 0x01010101;
839		986
840	return x >> 24;	987	return x >> 24;
841	}	988	}
842		989
843	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	990	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
844	ecb_function_ int ecb_ld32 (uint32_t x)	991	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
845	{	992	{
		993	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		994	unsigned long r;
		995	_BitScanReverse (&r, x);
		996	return (int)r;
		997	#else
846	int r = 0;	998	int r = 0;
847		999
848	if (x >> 16) { x >>= 16; r += 16; }	1000	if (x >> 16) { x >>= 16; r += 16; }
849	if (x >> 8) { x >>= 8; r += 8; }	1001	if (x >> 8) { x >>= 8; r += 8; }
850	if (x >> 4) { x >>= 4; r += 4; }	1002	if (x >> 4) { x >>= 4; r += 4; }
851	if (x >> 2) { x >>= 2; r += 2; }	1003	if (x >> 2) { x >>= 2; r += 2; }
852	if (x >> 1) { r += 1; }	1004	if (x >> 1) { r += 1; }
853		1005
854	return r;	1006	return r;
		1007	#endif
855	}	1008	}
856		1009
857	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1010	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
858	ecb_function_ int ecb_ld64 (uint64_t x)	1011	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
859	{	1012	{
		1013	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1014	unsigned long r;
		1015	_BitScanReverse64 (&r, x);
		1016	return (int)r;
		1017	#else
860	int r = 0;	1018	int r = 0;
861		1019
862	if (x >> 32) { x >>= 32; r += 32; }	1020	if (x >> 32) { x >>= 32; r += 32; }
863		1021
864	return r + ecb_ld32 (x);	1022	return r + ecb_ld32 (x);
		1023	#endif
865	}	1024	}
866	#endif	1025	#endif
867		1026
868	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1027	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
869	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1028	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
870	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1029	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
871	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1030	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
872		1031
873	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1032	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
874	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1033	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
875	{	1034	{
876	return ( (x * 0x0802U & 0x22110U)	1035	return ( (x * 0x0802U & 0x22110U)
877	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1036	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
878	}	1037	}
879		1038
880	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1039	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
881	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1040	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
882	{	1041	{
883	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1042	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
884	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1043	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
885	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1044	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
886	x = ( x >> 8 ) | ( x << 8);	1045	x = ( x >> 8 ) | ( x << 8);
887		1046
888	return x;	1047	return x;
889	}	1048	}
890		1049
891	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1050	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
892	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1051	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
893	{	1052	{
894	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1053	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
895	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1054	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
896	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1055	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
897	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1056	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
900	return x;	1059	return x;
901	}	1060	}
902		1061
903	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1062	/* popcount64 is only available on 64 bit cpus as gcc builtin */
904	/* so for this version we are lazy */	1063	/* so for this version we are lazy */
905	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1064	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
906	ecb_function_ int	1065	ecb_function_ ecb_const int
907	ecb_popcount64 (uint64_t x)	1066	ecb_popcount64 (uint64_t x)
908	{	1067	{
909	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1068	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
910	}	1069	}
911		1070
912	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1071	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
913	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1072	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
914	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1073	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
915	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1074	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
916	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1075	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
917	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1076	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
918	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1077	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
919	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1078	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
920		1079
921	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1080	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
922	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1081	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
923	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1082	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
924	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1083	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
925	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1084	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
926	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1085	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
927	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1086	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
928	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1087	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
929		1088
930	#if ECB_GCC_VERSION(4,3)	1089	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1090	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1091	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1092	#else
931	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1093	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1094	#endif
932	#define ecb_bswap32(x) __builtin_bswap32 (x)	1095	#define ecb_bswap32(x) __builtin_bswap32 (x)
933	#define ecb_bswap64(x) __builtin_bswap64 (x)	1096	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1097	#elif _MSC_VER
		1098	#include <stdlib.h>
		1099	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1100	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1101	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
934	#else	1102	#else
935	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1103	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
936	ecb_function_ uint16_t	1104	ecb_function_ ecb_const uint16_t
937	ecb_bswap16 (uint16_t x)	1105	ecb_bswap16 (uint16_t x)
938	{	1106	{
939	return ecb_rotl16 (x, 8);	1107	return ecb_rotl16 (x, 8);
940	}	1108	}
941		1109
942	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1110	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
943	ecb_function_ uint32_t	1111	ecb_function_ ecb_const uint32_t
944	ecb_bswap32 (uint32_t x)	1112	ecb_bswap32 (uint32_t x)
945	{	1113	{
946	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1114	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
947	}	1115	}
948		1116
949	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1117	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
950	ecb_function_ uint64_t	1118	ecb_function_ ecb_const uint64_t
951	ecb_bswap64 (uint64_t x)	1119	ecb_bswap64 (uint64_t x)
952	{	1120	{
953	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1121	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
954	}	1122	}
955	#endif	1123	#endif
956		1124
957	#if ECB_GCC_VERSION(4,5)	1125	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
958	#define ecb_unreachable() __builtin_unreachable ()	1126	#define ecb_unreachable() __builtin_unreachable ()
959	#else	1127	#else
960	/* this seems to work fine, but gcc always emits a warning for it :/ */	1128	/* this seems to work fine, but gcc always emits a warning for it :/ */
961	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1129	ecb_inline ecb_noreturn void ecb_unreachable (void);
962	ecb_inline void ecb_unreachable (void) { }	1130	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
963	#endif	1131	#endif
964		1132
965	/* try to tell the compiler that some condition is definitely true */	1133	/* try to tell the compiler that some condition is definitely true */
966	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1134	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
967		1135
968	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1136	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
969	ecb_inline unsigned char	1137	ecb_inline ecb_const uint32_t
970	ecb_byteorder_helper (void)	1138	ecb_byteorder_helper (void)
971	{	1139	{
972	/* the union code still generates code under pressure in gcc, */	1140	/* the union code still generates code under pressure in gcc, */
973	/* but less than using pointers, and always seems to */	1141	/* but less than using pointers, and always seems to */
974	/* successfully return a constant. */	1142	/* successfully return a constant. */
975	/* the reason why we have this horrible preprocessor mess */	1143	/* the reason why we have this horrible preprocessor mess */
976	/* is to avoid it in all cases, at least on common architectures */	1144	/* is to avoid it in all cases, at least on common architectures */
977	/* or when using a recent enough gcc version (>= 4.6) */	1145	/* or when using a recent enough gcc version (>= 4.6) */
978	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
979	return 0x44;
980	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1146	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1147	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1148	#define ECB_LITTLE_ENDIAN 1
981	return 0x44;	1149	return 0x44332211;
982	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1150	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1151	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1152	#define ECB_BIG_ENDIAN 1
983	return 0x11;	1153	return 0x11223344;
984	#else	1154	#else
985	union	1155	union
986	{	1156	{
		1157	uint8_t c[4];
987	uint32_t i;	1158	uint32_t u;
988	uint8_t c;
989	} u = { 0x11223344 };	1159	} u = { 0x11, 0x22, 0x33, 0x44 };
990	return u.c;	1160	return u.u;
991	#endif	1161	#endif
992	}	1162	}
993		1163
994	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1164	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
995	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1165	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
996	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1166	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
997	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1167	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
998		1168
999	#if ECB_GCC_VERSION(3,0) || ECB_C99	1169	#if ECB_GCC_VERSION(3,0) || ECB_C99
1000	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1170	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1001	#else	1171	#else
1002	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1172	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1003	#endif	1173	#endif
1004		1174
1005	#if __cplusplus	1175	#if ECB_CPP
1006	template<typename T>	1176	template<typename T>
1007	static inline T ecb_div_rd (T val, T div)	1177	static inline T ecb_div_rd (T val, T div)
1008	{	1178	{
1009	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1179	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1010	}	1180	}
…		…
1027	}	1197	}
1028	#else	1198	#else
1029	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1199	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1030	#endif	1200	#endif
1031		1201
		1202	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1203	ecb_function_ ecb_const uint32_t
		1204	ecb_binary16_to_binary32 (uint32_t x)
		1205	{
		1206	unsigned int s = (x & 0x8000) << (31 - 15);
		1207	int e = (x >> 10) & 0x001f;
		1208	unsigned int m = x & 0x03ff;
		1209
		1210	if (ecb_expect_false (e == 31))
		1211	/* infinity or NaN */
		1212	e = 255 - (127 - 15);
		1213	else if (ecb_expect_false (!e))
		1214	{
		1215	if (ecb_expect_true (!m))
		1216	/* zero, handled by code below by forcing e to 0 */
		1217	e = 0 - (127 - 15);
		1218	else
		1219	{
		1220	/* subnormal, renormalise */
		1221	unsigned int s = 10 - ecb_ld32 (m);
		1222
		1223	m = (m << s) & 0x3ff; /* mask implicit bit */
		1224	e -= s - 1;
		1225	}
		1226	}
		1227
		1228	/* e and m now are normalised, or zero, (or inf or nan) */
		1229	e += 127 - 15;
		1230
		1231	return s | (e << 23) | (m << (23 - 10));
		1232	}
		1233
		1234	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1235	ecb_function_ ecb_const uint16_t
		1236	ecb_binary32_to_binary16 (uint32_t x)
		1237	{
		1238	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1239	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1240	unsigned int m = x & 0x007fffff;
		1241
		1242	x &= 0x7fffffff;
		1243
		1244	/* if it's within range of binary16 normals, use fast path */
		1245	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1246	{
		1247	/* mantissa round-to-even */
		1248	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1249
		1250	/* handle overflow */
		1251	if (ecb_expect_false (m >= 0x00800000))
		1252	{
		1253	m >>= 1;
		1254	e += 1;
		1255	}
		1256
		1257	return s | (e << 10) | (m >> (23 - 10));
		1258	}
		1259
		1260	/* handle large numbers and infinity */
		1261	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1262	return s | 0x7c00;
		1263
		1264	/* handle zero, subnormals and small numbers */
		1265	if (ecb_expect_true (x < 0x38800000))
		1266	{
		1267	/* zero */
		1268	if (ecb_expect_true (!x))
		1269	return s;
		1270
		1271	/* handle subnormals */
		1272
		1273	/* too small, will be zero */
		1274	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1275	return s;
		1276
		1277	m |= 0x00800000; /* make implicit bit explicit */
		1278
		1279	/* very tricky - we need to round to the nearest e (+10) bit value */
		1280	{
		1281	unsigned int bits = 14 - e;
		1282	unsigned int half = (1 << (bits - 1)) - 1;
		1283	unsigned int even = (m >> bits) & 1;
		1284
		1285	/* if this overflows, we will end up with a normalised number */
		1286	m = (m + half + even) >> bits;
		1287	}
		1288
		1289	return s | m;
		1290	}
		1291
		1292	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1293	m >>= 13;
		1294
		1295	return s | 0x7c00 | m | !m;
		1296	}
		1297
1032	/*******************************************************************************/	1298	/*******************************************************************************/
1033	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1299	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1034		1300
1035	/* basically, everything uses "ieee pure-endian" floating point numbers */	1301	/* basically, everything uses "ieee pure-endian" floating point numbers */
1036	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1302	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1037	#if 0 \	1303	#if 0 \
1038	|| __i386 || __i386__ \	1304	|| __i386 || __i386__ \
1039	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1305	|| ECB_GCC_AMD64 \
1040	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1306	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1041	|| defined __arm__ && defined __ARM_EABI__ \
1042	|| defined __s390__ || defined __s390x__ \	1307	|| defined __s390__ || defined __s390x__ \
1043	|| defined __mips__ \	1308	|| defined __mips__ \
1044	|| defined __alpha__ \	1309	|| defined __alpha__ \
1045	|| defined __hppa__ \	1310	|| defined __hppa__ \
1046	|| defined __ia64__ \	1311	|| defined __ia64__ \
		1312	|| defined __m68k__ \
		1313	|| defined __m88k__ \
		1314	|| defined __sh__ \
1047	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64	1315	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1316	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1317	|| defined __aarch64__
1048	#define ECB_STDFP 1	1318	#define ECB_STDFP 1
1049	#include <string.h> /* for memcpy */	1319	#include <string.h> /* for memcpy */
1050	#else	1320	#else
1051	#define ECB_STDFP 0	1321	#define ECB_STDFP 0
1052	#include <math.h> /* for frexp*, ldexp* */
1053	#endif	1322	#endif
1054		1323
1055	#ifndef ECB_NO_LIBM	1324	#ifndef ECB_NO_LIBM
1056		1325
		1326	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1327
		1328	/* only the oldest of old doesn't have this one. solaris. */
		1329	#ifdef INFINITY
		1330	#define ECB_INFINITY INFINITY
		1331	#else
		1332	#define ECB_INFINITY HUGE_VAL
		1333	#endif
		1334
		1335	#ifdef NAN
		1336	#define ECB_NAN NAN
		1337	#else
		1338	#define ECB_NAN ECB_INFINITY
		1339	#endif
		1340
		1341	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1342	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1343	#define ecb_frexpf(x,e) frexpf ((x), (e))
		1344	#else
		1345	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
		1346	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
		1347	#endif
		1348
1057	/* convert a float to ieee single/binary32 */	1349	/* convert a float to ieee single/binary32 */
1058	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1350	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1059	ecb_function_ uint32_t	1351	ecb_function_ ecb_const uint32_t
1060	ecb_float_to_binary32 (float x)	1352	ecb_float_to_binary32 (float x)
1061	{	1353	{
1062	uint32_t r;	1354	uint32_t r;
1063		1355
1064	#if ECB_STDFP	1356	#if ECB_STDFP
…		…
1071	if (x == 0e0f ) return 0x00000000U;	1363	if (x == 0e0f ) return 0x00000000U;
1072	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1364	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1073	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1365	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1074	if (x != x ) return 0x7fbfffffU;	1366	if (x != x ) return 0x7fbfffffU;
1075		1367
1076	m = frexpf (x, &e) * 0x1000000U;	1368	m = ecb_frexpf (x, &e) * 0x1000000U;
1077		1369
1078	r = m & 0x80000000U;	1370	r = m & 0x80000000U;
1079		1371
1080	if (r)	1372	if (r)
1081	m = -m;	1373	m = -m;
…		…
1093		1385
1094	return r;	1386	return r;
1095	}	1387	}
1096		1388
1097	/* converts an ieee single/binary32 to a float */	1389	/* converts an ieee single/binary32 to a float */
1098	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1390	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1099	ecb_function_ float	1391	ecb_function_ ecb_const float
1100	ecb_binary32_to_float (uint32_t x)	1392	ecb_binary32_to_float (uint32_t x)
1101	{	1393	{
1102	float r;	1394	float r;
1103		1395
1104	#if ECB_STDFP	1396	#if ECB_STDFP
…		…
1114	x |= 0x800000U;	1406	x |= 0x800000U;
1115	else	1407	else
1116	e = 1;	1408	e = 1;
1117		1409
1118	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1410	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1119	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1411	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1120		1412
1121	r = neg ? -r : r;	1413	r = neg ? -r : r;
1122	#endif	1414	#endif
1123		1415
1124	return r;	1416	return r;
1125	}	1417	}
1126		1418
1127	/* convert a double to ieee double/binary64 */	1419	/* convert a double to ieee double/binary64 */
1128	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1420	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1129	ecb_function_ uint64_t	1421	ecb_function_ ecb_const uint64_t
1130	ecb_double_to_binary64 (double x)	1422	ecb_double_to_binary64 (double x)
1131	{	1423	{
1132	uint64_t r;	1424	uint64_t r;
1133		1425
1134	#if ECB_STDFP	1426	#if ECB_STDFP
…		…
1163		1455
1164	return r;	1456	return r;
1165	}	1457	}
1166		1458
1167	/* converts an ieee double/binary64 to a double */	1459	/* converts an ieee double/binary64 to a double */
1168	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1460	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1169	ecb_function_ double	1461	ecb_function_ ecb_const double
1170	ecb_binary64_to_double (uint64_t x)	1462	ecb_binary64_to_double (uint64_t x)
1171	{	1463	{
1172	double r;	1464	double r;
1173		1465
1174	#if ECB_STDFP	1466	#if ECB_STDFP
…		…
1190		1482
1191	r = neg ? -r : r;	1483	r = neg ? -r : r;
1192	#endif	1484	#endif
1193		1485
1194	return r;	1486	return r;
		1487	}
		1488
		1489	/* convert a float to ieee half/binary16 */
		1490	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1491	ecb_function_ ecb_const uint16_t
		1492	ecb_float_to_binary16 (float x)
		1493	{
		1494	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1495	}
		1496
		1497	/* convert an ieee half/binary16 to float */
		1498	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1499	ecb_function_ ecb_const float
		1500	ecb_binary16_to_float (uint16_t x)
		1501	{
		1502	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1195	}	1503	}
1196		1504
1197	#endif	1505	#endif
1198		1506
1199	#endif	1507	#endif
…		…
1224	#define inline_size ecb_inline	1532	#define inline_size ecb_inline
1225		1533
1226	#if EV_FEATURE_CODE	1534	#if EV_FEATURE_CODE
1227	# define inline_speed ecb_inline	1535	# define inline_speed ecb_inline
1228	#else	1536	#else
1229	# define inline_speed static noinline	1537	# define inline_speed noinline static
1230	#endif	1538	#endif
1231		1539
1232	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1540	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1233		1541
1234	#if EV_MINPRI == EV_MAXPRI	1542	#if EV_MINPRI == EV_MAXPRI
…		…
1281	#else	1589	#else
1282		1590
1283	#include <float.h>	1591	#include <float.h>
1284		1592
1285	/* a floor() replacement function, should be independent of ev_tstamp type */	1593	/* a floor() replacement function, should be independent of ev_tstamp type */
		1594	noinline
1286	static ev_tstamp noinline	1595	static ev_tstamp
1287	ev_floor (ev_tstamp v)	1596	ev_floor (ev_tstamp v)
1288	{	1597	{
1289	/* the choice of shift factor is not terribly important */	1598	/* the choice of shift factor is not terribly important */
1290	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1599	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1291	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1600	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1323		1632
1324	#ifdef __linux	1633	#ifdef __linux
1325	# include <sys/utsname.h>	1634	# include <sys/utsname.h>
1326	#endif	1635	#endif
1327		1636
1328	static unsigned int noinline ecb_cold	1637	noinline ecb_cold
		1638	static unsigned int
1329	ev_linux_version (void)	1639	ev_linux_version (void)
1330	{	1640	{
1331	#ifdef __linux	1641	#ifdef __linux
1332	unsigned int v = 0;	1642	unsigned int v = 0;
1333	struct utsname buf;	1643	struct utsname buf;
…		…
1362	}	1672	}
1363		1673
1364	/*****************************************************************************/	1674	/*****************************************************************************/
1365		1675
1366	#if EV_AVOID_STDIO	1676	#if EV_AVOID_STDIO
1367	static void noinline ecb_cold	1677	noinline ecb_cold
		1678	static void
1368	ev_printerr (const char *msg)	1679	ev_printerr (const char *msg)
1369	{	1680	{
1370	write (STDERR_FILENO, msg, strlen (msg));	1681	write (STDERR_FILENO, msg, strlen (msg));
1371	}	1682	}
1372	#endif	1683	#endif
1373		1684
1374	static void (*syserr_cb)(const char *msg) EV_THROW;	1685	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1375		1686
1376	void ecb_cold	1687	ecb_cold
		1688	void
1377	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1689	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1378	{	1690	{
1379	syserr_cb = cb;	1691	syserr_cb = cb;
1380	}	1692	}
1381		1693
1382	static void noinline ecb_cold	1694	noinline ecb_cold
		1695	static void
1383	ev_syserr (const char *msg)	1696	ev_syserr (const char *msg)
1384	{	1697	{
1385	if (!msg)	1698	if (!msg)
1386	msg = "(libev) system error";	1699	msg = "(libev) system error";
1387		1700
…		…
1400	abort ();	1713	abort ();
1401	}	1714	}
1402	}	1715	}
1403		1716
1404	static void *	1717	static void *
1405	ev_realloc_emul (void *ptr, long size) EV_THROW	1718	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1406	{	1719	{
1407	/* some systems, notably openbsd and darwin, fail to properly	1720	/* some systems, notably openbsd and darwin, fail to properly
1408	* implement realloc (x, 0) (as required by both ansi c-89 and	1721	* implement realloc (x, 0) (as required by both ansi c-89 and
1409	* the single unix specification, so work around them here.	1722	* the single unix specification, so work around them here.
1410	* recently, also (at least) fedora and debian started breaking it,	1723	* recently, also (at least) fedora and debian started breaking it,
…		…
1416		1729
1417	free (ptr);	1730	free (ptr);
1418	return 0;	1731	return 0;
1419	}	1732	}
1420		1733
1421	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1734	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1422		1735
1423	void ecb_cold	1736	ecb_cold
		1737	void
1424	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1738	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1425	{	1739	{
1426	alloc = cb;	1740	alloc = cb;
1427	}	1741	}
1428		1742
1429	inline_speed void *	1743	inline_speed void *
…		…
1546		1860
1547	/*****************************************************************************/	1861	/*****************************************************************************/
1548		1862
1549	#ifndef EV_HAVE_EV_TIME	1863	#ifndef EV_HAVE_EV_TIME
1550	ev_tstamp	1864	ev_tstamp
1551	ev_time (void) EV_THROW	1865	ev_time (void) EV_NOEXCEPT
1552	{	1866	{
1553	#if EV_USE_REALTIME	1867	#if EV_USE_REALTIME
1554	if (expect_true (have_realtime))	1868	if (expect_true (have_realtime))
1555	{	1869	{
1556	struct timespec ts;	1870	struct timespec ts;
…		…
1580	return ev_time ();	1894	return ev_time ();
1581	}	1895	}
1582		1896
1583	#if EV_MULTIPLICITY	1897	#if EV_MULTIPLICITY
1584	ev_tstamp	1898	ev_tstamp
1585	ev_now (EV_P) EV_THROW	1899	ev_now (EV_P) EV_NOEXCEPT
1586	{	1900	{
1587	return ev_rt_now;	1901	return ev_rt_now;
1588	}	1902	}
1589	#endif	1903	#endif
1590		1904
1591	void	1905	void
1592	ev_sleep (ev_tstamp delay) EV_THROW	1906	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1593	{	1907	{
1594	if (delay > 0.)	1908	if (delay > 0.)
1595	{	1909	{
1596	#if EV_USE_NANOSLEEP	1910	#if EV_USE_NANOSLEEP
1597	struct timespec ts;	1911	struct timespec ts;
1598		1912
1599	EV_TS_SET (ts, delay);	1913	EV_TS_SET (ts, delay);
1600	nanosleep (&ts, 0);	1914	nanosleep (&ts, 0);
1601	#elif defined _WIN32	1915	#elif defined _WIN32
		1916	/* maybe this should round up, as ms is very low resolution */
		1917	/* compared to select (µs) or nanosleep (ns) */
1602	Sleep ((unsigned long)(delay * 1e3));	1918	Sleep ((unsigned long)(delay * 1e3));
1603	#else	1919	#else
1604	struct timeval tv;	1920	struct timeval tv;
1605		1921
1606	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1922	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1637	}	1953	}
1638		1954
1639	return ncur;	1955	return ncur;
1640	}	1956	}
1641		1957
1642	static void * noinline ecb_cold	1958	noinline ecb_cold
		1959	static void *
1643	array_realloc (int elem, void *base, int *cur, int cnt)	1960	array_realloc (int elem, void *base, int *cur, int cnt)
1644	{	1961	{
1645	*cur = array_nextsize (elem, *cur, cnt);	1962	*cur = array_nextsize (elem, *cur, cnt);
1646	return ev_realloc (base, elem * *cur);	1963	return ev_realloc (base, elem * *cur);
1647	}	1964	}
…		…
1650	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1967	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1651		1968
1652	#define array_needsize(type,base,cur,cnt,init) \	1969	#define array_needsize(type,base,cur,cnt,init) \
1653	if (expect_false ((cnt) > (cur))) \	1970	if (expect_false ((cnt) > (cur))) \
1654	{ \	1971	{ \
1655	int ecb_unused ocur_ = (cur); \	1972	ecb_unused int ocur_ = (cur); \
1656	(base) = (type *)array_realloc \	1973	(base) = (type *)array_realloc \
1657	(sizeof (type), (base), &(cur), (cnt)); \	1974	(sizeof (type), (base), &(cur), (cnt)); \
1658	init ((base) + (ocur_), (cur) - ocur_); \	1975	init ((base) + (ocur_), (cur) - ocur_); \
1659	}	1976	}
1660		1977
…		…
1672	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	1989	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1673		1990
1674	/*****************************************************************************/	1991	/*****************************************************************************/
1675		1992
1676	/* dummy callback for pending events */	1993	/* dummy callback for pending events */
1677	static void noinline	1994	noinline
		1995	static void
1678	pendingcb (EV_P_ ev_prepare *w, int revents)	1996	pendingcb (EV_P_ ev_prepare *w, int revents)
1679	{	1997	{
1680	}	1998	}
1681		1999
1682	void noinline	2000	noinline
		2001	void
1683	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2002	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1684	{	2003	{
1685	W w_ = (W)w;	2004	W w_ = (W)w;
1686	int pri = ABSPRI (w_);	2005	int pri = ABSPRI (w_);
1687		2006
1688	if (expect_false (w_->pending))	2007	if (expect_false (w_->pending))
…		…
1749	if (expect_true (!anfd->reify))	2068	if (expect_true (!anfd->reify))
1750	fd_event_nocheck (EV_A_ fd, revents);	2069	fd_event_nocheck (EV_A_ fd, revents);
1751	}	2070	}
1752		2071
1753	void	2072	void
1754	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2073	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1755	{	2074	{
1756	if (fd >= 0 && fd < anfdmax)	2075	if (fd >= 0 && fd < anfdmax)
1757	fd_event_nocheck (EV_A_ fd, revents);	2076	fd_event_nocheck (EV_A_ fd, revents);
1758	}	2077	}
1759		2078
…		…
1817		2136
1818	fdchangecnt = 0;	2137	fdchangecnt = 0;
1819	}	2138	}
1820		2139
1821	/* something about the given fd changed */	2140	/* something about the given fd changed */
1822	inline_size void	2141	inline_size
		2142	void
1823	fd_change (EV_P_ int fd, int flags)	2143	fd_change (EV_P_ int fd, int flags)
1824	{	2144	{
1825	unsigned char reify = anfds [fd].reify;	2145	unsigned char reify = anfds [fd].reify;
1826	anfds [fd].reify |= flags;	2146	anfds [fd].reify |= flags;
1827		2147
…		…
1832	fdchanges [fdchangecnt - 1] = fd;	2152	fdchanges [fdchangecnt - 1] = fd;
1833	}	2153	}
1834	}	2154	}
1835		2155
1836	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2156	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1837	inline_speed void ecb_cold	2157	inline_speed ecb_cold void
1838	fd_kill (EV_P_ int fd)	2158	fd_kill (EV_P_ int fd)
1839	{	2159	{
1840	ev_io *w;	2160	ev_io *w;
1841		2161
1842	while ((w = (ev_io *)anfds [fd].head))	2162	while ((w = (ev_io *)anfds [fd].head))
…		…
1845	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2165	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1846	}	2166	}
1847	}	2167	}
1848		2168
1849	/* check whether the given fd is actually valid, for error recovery */	2169	/* check whether the given fd is actually valid, for error recovery */
1850	inline_size int ecb_cold	2170	inline_size ecb_cold int
1851	fd_valid (int fd)	2171	fd_valid (int fd)
1852	{	2172	{
1853	#ifdef _WIN32	2173	#ifdef _WIN32
1854	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2174	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1855	#else	2175	#else
1856	return fcntl (fd, F_GETFD) != -1;	2176	return fcntl (fd, F_GETFD) != -1;
1857	#endif	2177	#endif
1858	}	2178	}
1859		2179
1860	/* called on EBADF to verify fds */	2180	/* called on EBADF to verify fds */
1861	static void noinline ecb_cold	2181	noinline ecb_cold
		2182	static void
1862	fd_ebadf (EV_P)	2183	fd_ebadf (EV_P)
1863	{	2184	{
1864	int fd;	2185	int fd;
1865		2186
1866	for (fd = 0; fd < anfdmax; ++fd)	2187	for (fd = 0; fd < anfdmax; ++fd)
…		…
1868	if (!fd_valid (fd) && errno == EBADF)	2189	if (!fd_valid (fd) && errno == EBADF)
1869	fd_kill (EV_A_ fd);	2190	fd_kill (EV_A_ fd);
1870	}	2191	}
1871		2192
1872	/* called on ENOMEM in select/poll to kill some fds and retry */	2193	/* called on ENOMEM in select/poll to kill some fds and retry */
1873	static void noinline ecb_cold	2194	noinline ecb_cold
		2195	static void
1874	fd_enomem (EV_P)	2196	fd_enomem (EV_P)
1875	{	2197	{
1876	int fd;	2198	int fd;
1877		2199
1878	for (fd = anfdmax; fd--; )	2200	for (fd = anfdmax; fd--; )
…		…
1882	break;	2204	break;
1883	}	2205	}
1884	}	2206	}
1885		2207
1886	/* usually called after fork if backend needs to re-arm all fds from scratch */	2208	/* usually called after fork if backend needs to re-arm all fds from scratch */
1887	static void noinline	2209	noinline
		2210	static void
1888	fd_rearm_all (EV_P)	2211	fd_rearm_all (EV_P)
1889	{	2212	{
1890	int fd;	2213	int fd;
1891		2214
1892	for (fd = 0; fd < anfdmax; ++fd)	2215	for (fd = 0; fd < anfdmax; ++fd)
…		…
2073		2396
2074	/*****************************************************************************/	2397	/*****************************************************************************/
2075		2398
2076	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2399	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2077		2400
2078	static void noinline ecb_cold	2401	noinline ecb_cold
		2402	static void
2079	evpipe_init (EV_P)	2403	evpipe_init (EV_P)
2080	{	2404	{
2081	if (!ev_is_active (&pipe_w))	2405	if (!ev_is_active (&pipe_w))
2082	{	2406	{
2083	int fds [2];	2407	int fds [2];
…		…
2094	while (pipe (fds))	2418	while (pipe (fds))
2095	ev_syserr ("(libev) error creating signal/async pipe");	2419	ev_syserr ("(libev) error creating signal/async pipe");
2096		2420
2097	fd_intern (fds [0]);	2421	fd_intern (fds [0]);
2098	}	2422	}
2099
2100	fd_intern (fds [1]);
2101		2423
2102	evpipe [0] = fds [0];	2424	evpipe [0] = fds [0];
2103		2425
2104	if (evpipe [1] < 0)	2426	if (evpipe [1] < 0)
2105	evpipe [1] = fds [1]; /* first call, set write fd */	2427	evpipe [1] = fds [1]; /* first call, set write fd */
…		…
2112		2434
2113	dup2 (fds [1], evpipe [1]);	2435	dup2 (fds [1], evpipe [1]);
2114	close (fds [1]);	2436	close (fds [1]);
2115	}	2437	}
2116		2438
		2439	fd_intern (evpipe [1]);
		2440
2117	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);	2441	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
2118	ev_io_start (EV_A_ &pipe_w);	2442	ev_io_start (EV_A_ &pipe_w);
2119	ev_unref (EV_A); /* watcher should not keep loop alive */	2443	ev_unref (EV_A); /* watcher should not keep loop alive */
2120	}	2444	}
2121	}	2445	}
…		…
2154	#endif	2478	#endif
2155	{	2479	{
2156	#ifdef _WIN32	2480	#ifdef _WIN32
2157	WSABUF buf;	2481	WSABUF buf;
2158	DWORD sent;	2482	DWORD sent;
2159	buf.buf = &buf;	2483	buf.buf = (char *)&buf;
2160	buf.len = 1;	2484	buf.len = 1;
2161	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2485	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2162	#else	2486	#else
2163	write (evpipe [1], &(evpipe [1]), 1);	2487	write (evpipe [1], &(evpipe [1]), 1);
2164	#endif	2488	#endif
…		…
2236	}	2560	}
2237		2561
2238	/*****************************************************************************/	2562	/*****************************************************************************/
2239		2563
2240	void	2564	void
2241	ev_feed_signal (int signum) EV_THROW	2565	ev_feed_signal (int signum) EV_NOEXCEPT
2242	{	2566	{
2243	#if EV_MULTIPLICITY	2567	#if EV_MULTIPLICITY
		2568	EV_P;
2244	ECB_MEMORY_FENCE_ACQUIRE;	2569	ECB_MEMORY_FENCE_ACQUIRE;
2245	EV_P = signals [signum - 1].loop;	2570	EV_A = signals [signum - 1].loop;
2246		2571
2247	if (!EV_A)	2572	if (!EV_A)
2248	return;	2573	return;
2249	#endif	2574	#endif
2250		2575
…		…
2260	#endif	2585	#endif
2261		2586
2262	ev_feed_signal (signum);	2587	ev_feed_signal (signum);
2263	}	2588	}
2264		2589
2265	void noinline	2590	noinline
		2591	void
2266	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2592	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2267	{	2593	{
2268	WL w;	2594	WL w;
2269		2595
2270	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2596	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2271	return;	2597	return;
…		…
2387	#endif	2713	#endif
2388	#if EV_USE_SELECT	2714	#if EV_USE_SELECT
2389	# include "ev_select.c"	2715	# include "ev_select.c"
2390	#endif	2716	#endif
2391		2717
2392	int ecb_cold	2718	ecb_cold int
2393	ev_version_major (void) EV_THROW	2719	ev_version_major (void) EV_NOEXCEPT
2394	{	2720	{
2395	return EV_VERSION_MAJOR;	2721	return EV_VERSION_MAJOR;
2396	}	2722	}
2397		2723
2398	int ecb_cold	2724	ecb_cold int
2399	ev_version_minor (void) EV_THROW	2725	ev_version_minor (void) EV_NOEXCEPT
2400	{	2726	{
2401	return EV_VERSION_MINOR;	2727	return EV_VERSION_MINOR;
2402	}	2728	}
2403		2729
2404	/* return true if we are running with elevated privileges and should ignore env variables */	2730	/* return true if we are running with elevated privileges and should ignore env variables */
2405	int inline_size ecb_cold	2731	inline_size ecb_cold int
2406	enable_secure (void)	2732	enable_secure (void)
2407	{	2733	{
2408	#ifdef _WIN32	2734	#ifdef _WIN32
2409	return 0;	2735	return 0;
2410	#else	2736	#else
2411	return getuid () != geteuid ()	2737	return getuid () != geteuid ()
2412	|| getgid () != getegid ();	2738	|| getgid () != getegid ();
2413	#endif	2739	#endif
2414	}	2740	}
2415		2741
2416	unsigned int ecb_cold	2742	ecb_cold
		2743	unsigned int
2417	ev_supported_backends (void) EV_THROW	2744	ev_supported_backends (void) EV_NOEXCEPT
2418	{	2745	{
2419	unsigned int flags = 0;	2746	unsigned int flags = 0;
2420		2747
2421	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2748	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2422	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2749	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2425	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2752	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
2426		2753
2427	return flags;	2754	return flags;
2428	}	2755	}
2429		2756
2430	unsigned int ecb_cold	2757	ecb_cold
		2758	unsigned int
2431	ev_recommended_backends (void) EV_THROW	2759	ev_recommended_backends (void) EV_NOEXCEPT
2432	{	2760	{
2433	unsigned int flags = ev_supported_backends ();	2761	unsigned int flags = ev_supported_backends ();
2434		2762
2435	#ifndef __NetBSD__	2763	#ifndef __NetBSD__
2436	/* kqueue is borked on everything but netbsd apparently */	2764	/* kqueue is borked on everything but netbsd apparently */
…		…
2447	#endif	2775	#endif
2448		2776
2449	return flags;	2777	return flags;
2450	}	2778	}
2451		2779
2452	unsigned int ecb_cold	2780	ecb_cold
		2781	unsigned int
2453	ev_embeddable_backends (void) EV_THROW	2782	ev_embeddable_backends (void) EV_NOEXCEPT
2454	{	2783	{
2455	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2784	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2456		2785
2457	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2786	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2458	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2787	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2460		2789
2461	return flags;	2790	return flags;
2462	}	2791	}
2463		2792
2464	unsigned int	2793	unsigned int
2465	ev_backend (EV_P) EV_THROW	2794	ev_backend (EV_P) EV_NOEXCEPT
2466	{	2795	{
2467	return backend;	2796	return backend;
2468	}	2797	}
2469		2798
2470	#if EV_FEATURE_API	2799	#if EV_FEATURE_API
2471	unsigned int	2800	unsigned int
2472	ev_iteration (EV_P) EV_THROW	2801	ev_iteration (EV_P) EV_NOEXCEPT
2473	{	2802	{
2474	return loop_count;	2803	return loop_count;
2475	}	2804	}
2476		2805
2477	unsigned int	2806	unsigned int
2478	ev_depth (EV_P) EV_THROW	2807	ev_depth (EV_P) EV_NOEXCEPT
2479	{	2808	{
2480	return loop_depth;	2809	return loop_depth;
2481	}	2810	}
2482		2811
2483	void	2812	void
2484	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2813	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2485	{	2814	{
2486	io_blocktime = interval;	2815	io_blocktime = interval;
2487	}	2816	}
2488		2817
2489	void	2818	void
2490	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2819	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2491	{	2820	{
2492	timeout_blocktime = interval;	2821	timeout_blocktime = interval;
2493	}	2822	}
2494		2823
2495	void	2824	void
2496	ev_set_userdata (EV_P_ void *data) EV_THROW	2825	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2497	{	2826	{
2498	userdata = data;	2827	userdata = data;
2499	}	2828	}
2500		2829
2501	void *	2830	void *
2502	ev_userdata (EV_P) EV_THROW	2831	ev_userdata (EV_P) EV_NOEXCEPT
2503	{	2832	{
2504	return userdata;	2833	return userdata;
2505	}	2834	}
2506		2835
2507	void	2836	void
2508	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW	2837	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2509	{	2838	{
2510	invoke_cb = invoke_pending_cb;	2839	invoke_cb = invoke_pending_cb;
2511	}	2840	}
2512		2841
2513	void	2842	void
2514	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW	2843	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2515	{	2844	{
2516	release_cb = release;	2845	release_cb = release;
2517	acquire_cb = acquire;	2846	acquire_cb = acquire;
2518	}	2847	}
2519	#endif	2848	#endif
2520		2849
2521	/* initialise a loop structure, must be zero-initialised */	2850	/* initialise a loop structure, must be zero-initialised */
2522	static void noinline ecb_cold	2851	noinline ecb_cold
		2852	static void
2523	loop_init (EV_P_ unsigned int flags) EV_THROW	2853	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2524	{	2854	{
2525	if (!backend)	2855	if (!backend)
2526	{	2856	{
2527	origflags = flags;	2857	origflags = flags;
2528		2858
…		…
2614	#endif	2944	#endif
2615	}	2945	}
2616	}	2946	}
2617		2947
2618	/* free up a loop structure */	2948	/* free up a loop structure */
2619	void ecb_cold	2949	ecb_cold
		2950	void
2620	ev_loop_destroy (EV_P)	2951	ev_loop_destroy (EV_P)
2621	{	2952	{
2622	int i;	2953	int i;
2623		2954
2624	#if EV_MULTIPLICITY	2955	#if EV_MULTIPLICITY
…		…
2745	#if EV_USE_INOTIFY	3076	#if EV_USE_INOTIFY
2746	infy_fork (EV_A);	3077	infy_fork (EV_A);
2747	#endif	3078	#endif
2748		3079
2749	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3080	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2750	if (ev_is_active (&pipe_w))	3081	if (ev_is_active (&pipe_w) && postfork != 2)
2751	{	3082	{
2752	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3083	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2753		3084
2754	ev_ref (EV_A);	3085	ev_ref (EV_A);
2755	ev_io_stop (EV_A_ &pipe_w);	3086	ev_io_stop (EV_A_ &pipe_w);
…		…
2766	postfork = 0;	3097	postfork = 0;
2767	}	3098	}
2768		3099
2769	#if EV_MULTIPLICITY	3100	#if EV_MULTIPLICITY
2770		3101
		3102	ecb_cold
2771	struct ev_loop * ecb_cold	3103	struct ev_loop *
2772	ev_loop_new (unsigned int flags) EV_THROW	3104	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2773	{	3105	{
2774	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3106	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2775		3107
2776	memset (EV_A, 0, sizeof (struct ev_loop));	3108	memset (EV_A, 0, sizeof (struct ev_loop));
2777	loop_init (EV_A_ flags);	3109	loop_init (EV_A_ flags);
…		…
2784	}	3116	}
2785		3117
2786	#endif /* multiplicity */	3118	#endif /* multiplicity */
2787		3119
2788	#if EV_VERIFY	3120	#if EV_VERIFY
2789	static void noinline ecb_cold	3121	noinline ecb_cold
		3122	static void
2790	verify_watcher (EV_P_ W w)	3123	verify_watcher (EV_P_ W w)
2791	{	3124	{
2792	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3125	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2793		3126
2794	if (w->pending)	3127	if (w->pending)
2795	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3128	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2796	}	3129	}
2797		3130
2798	static void noinline ecb_cold	3131	noinline ecb_cold
		3132	static void
2799	verify_heap (EV_P_ ANHE *heap, int N)	3133	verify_heap (EV_P_ ANHE *heap, int N)
2800	{	3134	{
2801	int i;	3135	int i;
2802		3136
2803	for (i = HEAP0; i < N + HEAP0; ++i)	3137	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2808		3142
2809	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3143	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2810	}	3144	}
2811	}	3145	}
2812		3146
2813	static void noinline ecb_cold	3147	noinline ecb_cold
		3148	static void
2814	array_verify (EV_P_ W *ws, int cnt)	3149	array_verify (EV_P_ W *ws, int cnt)
2815	{	3150	{
2816	while (cnt--)	3151	while (cnt--)
2817	{	3152	{
2818	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3153	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2821	}	3156	}
2822	#endif	3157	#endif
2823		3158
2824	#if EV_FEATURE_API	3159	#if EV_FEATURE_API
2825	void ecb_cold	3160	void ecb_cold
2826	ev_verify (EV_P) EV_THROW	3161	ev_verify (EV_P) EV_NOEXCEPT
2827	{	3162	{
2828	#if EV_VERIFY	3163	#if EV_VERIFY
2829	int i;	3164	int i;
2830	WL w, w2;	3165	WL w, w2;
2831		3166
…		…
2907	#endif	3242	#endif
2908	}	3243	}
2909	#endif	3244	#endif
2910		3245
2911	#if EV_MULTIPLICITY	3246	#if EV_MULTIPLICITY
		3247	ecb_cold
2912	struct ev_loop * ecb_cold	3248	struct ev_loop *
2913	#else	3249	#else
2914	int	3250	int
2915	#endif	3251	#endif
2916	ev_default_loop (unsigned int flags) EV_THROW	3252	ev_default_loop (unsigned int flags) EV_NOEXCEPT
2917	{	3253	{
2918	if (!ev_default_loop_ptr)	3254	if (!ev_default_loop_ptr)
2919	{	3255	{
2920	#if EV_MULTIPLICITY	3256	#if EV_MULTIPLICITY
2921	EV_P = ev_default_loop_ptr = &default_loop_struct;	3257	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2940		3276
2941	return ev_default_loop_ptr;	3277	return ev_default_loop_ptr;
2942	}	3278	}
2943		3279
2944	void	3280	void
2945	ev_loop_fork (EV_P) EV_THROW	3281	ev_loop_fork (EV_P) EV_NOEXCEPT
2946	{	3282	{
2947	postfork = 1;	3283	postfork = 1;
2948	}	3284	}
2949		3285
2950	/*****************************************************************************/	3286	/*****************************************************************************/
…		…
2954	{	3290	{
2955	EV_CB_INVOKE ((W)w, revents);	3291	EV_CB_INVOKE ((W)w, revents);
2956	}	3292	}
2957		3293
2958	unsigned int	3294	unsigned int
2959	ev_pending_count (EV_P) EV_THROW	3295	ev_pending_count (EV_P) EV_NOEXCEPT
2960	{	3296	{
2961	int pri;	3297	int pri;
2962	unsigned int count = 0;	3298	unsigned int count = 0;
2963		3299
2964	for (pri = NUMPRI; pri--; )	3300	for (pri = NUMPRI; pri--; )
2965	count += pendingcnt [pri];	3301	count += pendingcnt [pri];
2966		3302
2967	return count;	3303	return count;
2968	}	3304	}
2969		3305
2970	void noinline	3306	noinline
		3307	void
2971	ev_invoke_pending (EV_P)	3308	ev_invoke_pending (EV_P)
2972	{	3309	{
2973	pendingpri = NUMPRI;	3310	pendingpri = NUMPRI;
2974		3311
2975	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3312	do
2976	{	3313	{
2977	--pendingpri;	3314	--pendingpri;
2978		3315
		3316	/* pendingpri possibly gets modified in the inner loop */
2979	while (pendingcnt [pendingpri])	3317	while (pendingcnt [pendingpri])
2980	{	3318	{
2981	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3319	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2982		3320
2983	p->w->pending = 0;	3321	p->w->pending = 0;
2984	EV_CB_INVOKE (p->w, p->events);	3322	EV_CB_INVOKE (p->w, p->events);
2985	EV_FREQUENT_CHECK;	3323	EV_FREQUENT_CHECK;
2986	}	3324	}
2987	}	3325	}
		3326	while (pendingpri);
2988	}	3327	}
2989		3328
2990	#if EV_IDLE_ENABLE	3329	#if EV_IDLE_ENABLE
2991	/* make idle watchers pending. this handles the "call-idle */	3330	/* make idle watchers pending. this handles the "call-idle */
2992	/* only when higher priorities are idle" logic */	3331	/* only when higher priorities are idle" logic */
…		…
3050	}	3389	}
3051	}	3390	}
3052		3391
3053	#if EV_PERIODIC_ENABLE	3392	#if EV_PERIODIC_ENABLE
3054		3393
3055	static void noinline	3394	noinline
		3395	static void
3056	periodic_recalc (EV_P_ ev_periodic *w)	3396	periodic_recalc (EV_P_ ev_periodic *w)
3057	{	3397	{
3058	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3398	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3059	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3399	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3060		3400
…		…
3118	}	3458	}
3119	}	3459	}
3120		3460
3121	/* simply recalculate all periodics */	3461	/* simply recalculate all periodics */
3122	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3462	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3123	static void noinline ecb_cold	3463	noinline ecb_cold
		3464	static void
3124	periodics_reschedule (EV_P)	3465	periodics_reschedule (EV_P)
3125	{	3466	{
3126	int i;	3467	int i;
3127		3468
3128	/* adjust periodics after time jump */	3469	/* adjust periodics after time jump */
…		…
3141	reheap (periodics, periodiccnt);	3482	reheap (periodics, periodiccnt);
3142	}	3483	}
3143	#endif	3484	#endif
3144		3485
3145	/* adjust all timers by a given offset */	3486	/* adjust all timers by a given offset */
3146	static void noinline ecb_cold	3487	noinline ecb_cold
		3488	static void
3147	timers_reschedule (EV_P_ ev_tstamp adjust)	3489	timers_reschedule (EV_P_ ev_tstamp adjust)
3148	{	3490	{
3149	int i;	3491	int i;
3150		3492
3151	for (i = 0; i < timercnt; ++i)	3493	for (i = 0; i < timercnt; ++i)
…		…
3398		3740
3399	return activecnt;	3741	return activecnt;
3400	}	3742	}
3401		3743
3402	void	3744	void
3403	ev_break (EV_P_ int how) EV_THROW	3745	ev_break (EV_P_ int how) EV_NOEXCEPT
3404	{	3746	{
3405	loop_done = how;	3747	loop_done = how;
3406	}	3748	}
3407		3749
3408	void	3750	void
3409	ev_ref (EV_P) EV_THROW	3751	ev_ref (EV_P) EV_NOEXCEPT
3410	{	3752	{
3411	++activecnt;	3753	++activecnt;
3412	}	3754	}
3413		3755
3414	void	3756	void
3415	ev_unref (EV_P) EV_THROW	3757	ev_unref (EV_P) EV_NOEXCEPT
3416	{	3758	{
3417	--activecnt;	3759	--activecnt;
3418	}	3760	}
3419		3761
3420	void	3762	void
3421	ev_now_update (EV_P) EV_THROW	3763	ev_now_update (EV_P) EV_NOEXCEPT
3422	{	3764	{
3423	time_update (EV_A_ 1e100);	3765	time_update (EV_A_ 1e100);
3424	}	3766	}
3425		3767
3426	void	3768	void
3427	ev_suspend (EV_P) EV_THROW	3769	ev_suspend (EV_P) EV_NOEXCEPT
3428	{	3770	{
3429	ev_now_update (EV_A);	3771	ev_now_update (EV_A);
3430	}	3772	}
3431		3773
3432	void	3774	void
3433	ev_resume (EV_P) EV_THROW	3775	ev_resume (EV_P) EV_NOEXCEPT
3434	{	3776	{
3435	ev_tstamp mn_prev = mn_now;	3777	ev_tstamp mn_prev = mn_now;
3436		3778
3437	ev_now_update (EV_A);	3779	ev_now_update (EV_A);
3438	timers_reschedule (EV_A_ mn_now - mn_prev);	3780	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3477	w->pending = 0;	3819	w->pending = 0;
3478	}	3820	}
3479	}	3821	}
3480		3822
3481	int	3823	int
3482	ev_clear_pending (EV_P_ void *w) EV_THROW	3824	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3483	{	3825	{
3484	W w_ = (W)w;	3826	W w_ = (W)w;
3485	int pending = w_->pending;	3827	int pending = w_->pending;
3486		3828
3487	if (expect_true (pending))	3829	if (expect_true (pending))
…		…
3519	w->active = 0;	3861	w->active = 0;
3520	}	3862	}
3521		3863
3522	/*****************************************************************************/	3864	/*****************************************************************************/
3523		3865
3524	void noinline	3866	noinline
		3867	void
3525	ev_io_start (EV_P_ ev_io *w) EV_THROW	3868	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3526	{	3869	{
3527	int fd = w->fd;	3870	int fd = w->fd;
3528		3871
3529	if (expect_false (ev_is_active (w)))	3872	if (expect_false (ev_is_active (w)))
3530	return;	3873	return;
…		…
3545	w->events &= ~EV__IOFDSET;	3888	w->events &= ~EV__IOFDSET;
3546		3889
3547	EV_FREQUENT_CHECK;	3890	EV_FREQUENT_CHECK;
3548	}	3891	}
3549		3892
3550	void noinline	3893	noinline
		3894	void
3551	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3895	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3552	{	3896	{
3553	clear_pending (EV_A_ (W)w);	3897	clear_pending (EV_A_ (W)w);
3554	if (expect_false (!ev_is_active (w)))	3898	if (expect_false (!ev_is_active (w)))
3555	return;	3899	return;
3556		3900
…		…
3564	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3908	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3565		3909
3566	EV_FREQUENT_CHECK;	3910	EV_FREQUENT_CHECK;
3567	}	3911	}
3568		3912
3569	void noinline	3913	noinline
		3914	void
3570	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3915	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3571	{	3916	{
3572	if (expect_false (ev_is_active (w)))	3917	if (expect_false (ev_is_active (w)))
3573	return;	3918	return;
3574		3919
3575	ev_at (w) += mn_now;	3920	ev_at (w) += mn_now;
…		…
3588	EV_FREQUENT_CHECK;	3933	EV_FREQUENT_CHECK;
3589		3934
3590	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3935	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3591	}	3936	}
3592		3937
3593	void noinline	3938	noinline
		3939	void
3594	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3940	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3595	{	3941	{
3596	clear_pending (EV_A_ (W)w);	3942	clear_pending (EV_A_ (W)w);
3597	if (expect_false (!ev_is_active (w)))	3943	if (expect_false (!ev_is_active (w)))
3598	return;	3944	return;
3599		3945
…		…
3618	ev_stop (EV_A_ (W)w);	3964	ev_stop (EV_A_ (W)w);
3619		3965
3620	EV_FREQUENT_CHECK;	3966	EV_FREQUENT_CHECK;
3621	}	3967	}
3622		3968
3623	void noinline	3969	noinline
		3970	void
3624	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	3971	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3625	{	3972	{
3626	EV_FREQUENT_CHECK;	3973	EV_FREQUENT_CHECK;
3627		3974
3628	clear_pending (EV_A_ (W)w);	3975	clear_pending (EV_A_ (W)w);
3629		3976
…		…
3646		3993
3647	EV_FREQUENT_CHECK;	3994	EV_FREQUENT_CHECK;
3648	}	3995	}
3649		3996
3650	ev_tstamp	3997	ev_tstamp
3651	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	3998	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3652	{	3999	{
3653	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4000	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3654	}	4001	}
3655		4002
3656	#if EV_PERIODIC_ENABLE	4003	#if EV_PERIODIC_ENABLE
3657	void noinline	4004	noinline
		4005	void
3658	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4006	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3659	{	4007	{
3660	if (expect_false (ev_is_active (w)))	4008	if (expect_false (ev_is_active (w)))
3661	return;	4009	return;
3662		4010
3663	if (w->reschedule_cb)	4011	if (w->reschedule_cb)
…		…
3682	EV_FREQUENT_CHECK;	4030	EV_FREQUENT_CHECK;
3683		4031
3684	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4032	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3685	}	4033	}
3686		4034
3687	void noinline	4035	noinline
		4036	void
3688	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4037	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3689	{	4038	{
3690	clear_pending (EV_A_ (W)w);	4039	clear_pending (EV_A_ (W)w);
3691	if (expect_false (!ev_is_active (w)))	4040	if (expect_false (!ev_is_active (w)))
3692	return;	4041	return;
3693		4042
…		…
3710	ev_stop (EV_A_ (W)w);	4059	ev_stop (EV_A_ (W)w);
3711		4060
3712	EV_FREQUENT_CHECK;	4061	EV_FREQUENT_CHECK;
3713	}	4062	}
3714		4063
3715	void noinline	4064	noinline
		4065	void
3716	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4066	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3717	{	4067	{
3718	/* TODO: use adjustheap and recalculation */	4068	/* TODO: use adjustheap and recalculation */
3719	ev_periodic_stop (EV_A_ w);	4069	ev_periodic_stop (EV_A_ w);
3720	ev_periodic_start (EV_A_ w);	4070	ev_periodic_start (EV_A_ w);
3721	}	4071	}
…		…
3725	# define SA_RESTART 0	4075	# define SA_RESTART 0
3726	#endif	4076	#endif
3727		4077
3728	#if EV_SIGNAL_ENABLE	4078	#if EV_SIGNAL_ENABLE
3729		4079
3730	void noinline	4080	noinline
		4081	void
3731	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4082	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3732	{	4083	{
3733	if (expect_false (ev_is_active (w)))	4084	if (expect_false (ev_is_active (w)))
3734	return;	4085	return;
3735		4086
3736	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4087	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3807	}	4158	}
3808		4159
3809	EV_FREQUENT_CHECK;	4160	EV_FREQUENT_CHECK;
3810	}	4161	}
3811		4162
3812	void noinline	4163	noinline
		4164	void
3813	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4165	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3814	{	4166	{
3815	clear_pending (EV_A_ (W)w);	4167	clear_pending (EV_A_ (W)w);
3816	if (expect_false (!ev_is_active (w)))	4168	if (expect_false (!ev_is_active (w)))
3817	return;	4169	return;
3818		4170
…		…
3849	#endif	4201	#endif
3850		4202
3851	#if EV_CHILD_ENABLE	4203	#if EV_CHILD_ENABLE
3852		4204
3853	void	4205	void
3854	ev_child_start (EV_P_ ev_child *w) EV_THROW	4206	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3855	{	4207	{
3856	#if EV_MULTIPLICITY	4208	#if EV_MULTIPLICITY
3857	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4209	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3858	#endif	4210	#endif
3859	if (expect_false (ev_is_active (w)))	4211	if (expect_false (ev_is_active (w)))
…		…
3866		4218
3867	EV_FREQUENT_CHECK;	4219	EV_FREQUENT_CHECK;
3868	}	4220	}
3869		4221
3870	void	4222	void
3871	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4223	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3872	{	4224	{
3873	clear_pending (EV_A_ (W)w);	4225	clear_pending (EV_A_ (W)w);
3874	if (expect_false (!ev_is_active (w)))	4226	if (expect_false (!ev_is_active (w)))
3875	return;	4227	return;
3876		4228
…		…
3893		4245
3894	#define DEF_STAT_INTERVAL 5.0074891	4246	#define DEF_STAT_INTERVAL 5.0074891
3895	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4247	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3896	#define MIN_STAT_INTERVAL 0.1074891	4248	#define MIN_STAT_INTERVAL 0.1074891
3897		4249
3898	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4250	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3899		4251
3900	#if EV_USE_INOTIFY	4252	#if EV_USE_INOTIFY
3901		4253
3902	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4254	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3903	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4255	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3904		4256
3905	static void noinline	4257	noinline
		4258	static void
3906	infy_add (EV_P_ ev_stat *w)	4259	infy_add (EV_P_ ev_stat *w)
3907	{	4260	{
3908	w->wd = inotify_add_watch (fs_fd, w->path,	4261	w->wd = inotify_add_watch (fs_fd, w->path,
3909	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4262	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3910	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4263	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
3974	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4327	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3975	ev_timer_again (EV_A_ &w->timer);	4328	ev_timer_again (EV_A_ &w->timer);
3976	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4329	if (ev_is_active (&w->timer)) ev_unref (EV_A);
3977	}	4330	}
3978		4331
3979	static void noinline	4332	noinline
		4333	static void
3980	infy_del (EV_P_ ev_stat *w)	4334	infy_del (EV_P_ ev_stat *w)
3981	{	4335	{
3982	int slot;	4336	int slot;
3983	int wd = w->wd;	4337	int wd = w->wd;
3984		4338
…		…
3991		4345
3992	/* remove this watcher, if others are watching it, they will rearm */	4346	/* remove this watcher, if others are watching it, they will rearm */
3993	inotify_rm_watch (fs_fd, wd);	4347	inotify_rm_watch (fs_fd, wd);
3994	}	4348	}
3995		4349
3996	static void noinline	4350	noinline
		4351	static void
3997	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4352	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
3998	{	4353	{
3999	if (slot < 0)	4354	if (slot < 0)
4000	/* overflow, need to check for all hash slots */	4355	/* overflow, need to check for all hash slots */
4001	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4356	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4037	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4392	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4038	ofs += sizeof (struct inotify_event) + ev->len;	4393	ofs += sizeof (struct inotify_event) + ev->len;
4039	}	4394	}
4040	}	4395	}
4041		4396
4042	inline_size void ecb_cold	4397	inline_size ecb_cold
		4398	void
4043	ev_check_2625 (EV_P)	4399	ev_check_2625 (EV_P)
4044	{	4400	{
4045	/* kernels < 2.6.25 are borked	4401	/* kernels < 2.6.25 are borked
4046	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4402	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4047	*/	4403	*/
…		…
4137	#else	4493	#else
4138	# define EV_LSTAT(p,b) lstat (p, b)	4494	# define EV_LSTAT(p,b) lstat (p, b)
4139	#endif	4495	#endif
4140		4496
4141	void	4497	void
4142	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4498	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4143	{	4499	{
4144	if (lstat (w->path, &w->attr) < 0)	4500	if (lstat (w->path, &w->attr) < 0)
4145	w->attr.st_nlink = 0;	4501	w->attr.st_nlink = 0;
4146	else if (!w->attr.st_nlink)	4502	else if (!w->attr.st_nlink)
4147	w->attr.st_nlink = 1;	4503	w->attr.st_nlink = 1;
4148	}	4504	}
4149		4505
4150	static void noinline	4506	noinline
		4507	static void
4151	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4508	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4152	{	4509	{
4153	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4510	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4154		4511
4155	ev_statdata prev = w->attr;	4512	ev_statdata prev = w->attr;
…		…
4186	ev_feed_event (EV_A_ w, EV_STAT);	4543	ev_feed_event (EV_A_ w, EV_STAT);
4187	}	4544	}
4188	}	4545	}
4189		4546
4190	void	4547	void
4191	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4548	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4192	{	4549	{
4193	if (expect_false (ev_is_active (w)))	4550	if (expect_false (ev_is_active (w)))
4194	return;	4551	return;
4195		4552
4196	ev_stat_stat (EV_A_ w);	4553	ev_stat_stat (EV_A_ w);
…		…
4217		4574
4218	EV_FREQUENT_CHECK;	4575	EV_FREQUENT_CHECK;
4219	}	4576	}
4220		4577
4221	void	4578	void
4222	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4579	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4223	{	4580	{
4224	clear_pending (EV_A_ (W)w);	4581	clear_pending (EV_A_ (W)w);
4225	if (expect_false (!ev_is_active (w)))	4582	if (expect_false (!ev_is_active (w)))
4226	return;	4583	return;
4227		4584
…		…
4243	}	4600	}
4244	#endif	4601	#endif
4245		4602
4246	#if EV_IDLE_ENABLE	4603	#if EV_IDLE_ENABLE
4247	void	4604	void
4248	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4605	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4249	{	4606	{
4250	if (expect_false (ev_is_active (w)))	4607	if (expect_false (ev_is_active (w)))
4251	return;	4608	return;
4252		4609
4253	pri_adjust (EV_A_ (W)w);	4610	pri_adjust (EV_A_ (W)w);
…		…
4266		4623
4267	EV_FREQUENT_CHECK;	4624	EV_FREQUENT_CHECK;
4268	}	4625	}
4269		4626
4270	void	4627	void
4271	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4628	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4272	{	4629	{
4273	clear_pending (EV_A_ (W)w);	4630	clear_pending (EV_A_ (W)w);
4274	if (expect_false (!ev_is_active (w)))	4631	if (expect_false (!ev_is_active (w)))
4275	return;	4632	return;
4276		4633
…		…
4290	}	4647	}
4291	#endif	4648	#endif
4292		4649
4293	#if EV_PREPARE_ENABLE	4650	#if EV_PREPARE_ENABLE
4294	void	4651	void
4295	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4652	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4296	{	4653	{
4297	if (expect_false (ev_is_active (w)))	4654	if (expect_false (ev_is_active (w)))
4298	return;	4655	return;
4299		4656
4300	EV_FREQUENT_CHECK;	4657	EV_FREQUENT_CHECK;
…		…
4305		4662
4306	EV_FREQUENT_CHECK;	4663	EV_FREQUENT_CHECK;
4307	}	4664	}
4308		4665
4309	void	4666	void
4310	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4667	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4311	{	4668	{
4312	clear_pending (EV_A_ (W)w);	4669	clear_pending (EV_A_ (W)w);
4313	if (expect_false (!ev_is_active (w)))	4670	if (expect_false (!ev_is_active (w)))
4314	return;	4671	return;
4315		4672
…		…
4328	}	4685	}
4329	#endif	4686	#endif
4330		4687
4331	#if EV_CHECK_ENABLE	4688	#if EV_CHECK_ENABLE
4332	void	4689	void
4333	ev_check_start (EV_P_ ev_check *w) EV_THROW	4690	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4334	{	4691	{
4335	if (expect_false (ev_is_active (w)))	4692	if (expect_false (ev_is_active (w)))
4336	return;	4693	return;
4337		4694
4338	EV_FREQUENT_CHECK;	4695	EV_FREQUENT_CHECK;
…		…
4343		4700
4344	EV_FREQUENT_CHECK;	4701	EV_FREQUENT_CHECK;
4345	}	4702	}
4346		4703
4347	void	4704	void
4348	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4705	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4349	{	4706	{
4350	clear_pending (EV_A_ (W)w);	4707	clear_pending (EV_A_ (W)w);
4351	if (expect_false (!ev_is_active (w)))	4708	if (expect_false (!ev_is_active (w)))
4352	return;	4709	return;
4353		4710
…		…
4365	EV_FREQUENT_CHECK;	4722	EV_FREQUENT_CHECK;
4366	}	4723	}
4367	#endif	4724	#endif
4368		4725
4369	#if EV_EMBED_ENABLE	4726	#if EV_EMBED_ENABLE
4370	void noinline	4727	noinline
		4728	void
4371	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4729	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4372	{	4730	{
4373	ev_run (w->other, EVRUN_NOWAIT);	4731	ev_run (w->other, EVRUN_NOWAIT);
4374	}	4732	}
4375		4733
4376	static void	4734	static void
…		…
4424	ev_idle_stop (EV_A_ idle);	4782	ev_idle_stop (EV_A_ idle);
4425	}	4783	}
4426	#endif	4784	#endif
4427		4785
4428	void	4786	void
4429	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4787	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4430	{	4788	{
4431	if (expect_false (ev_is_active (w)))	4789	if (expect_false (ev_is_active (w)))
4432	return;	4790	return;
4433		4791
4434	{	4792	{
…		…
4455		4813
4456	EV_FREQUENT_CHECK;	4814	EV_FREQUENT_CHECK;
4457	}	4815	}
4458		4816
4459	void	4817	void
4460	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4818	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4461	{	4819	{
4462	clear_pending (EV_A_ (W)w);	4820	clear_pending (EV_A_ (W)w);
4463	if (expect_false (!ev_is_active (w)))	4821	if (expect_false (!ev_is_active (w)))
4464	return;	4822	return;
4465		4823
…		…
4475	}	4833	}
4476	#endif	4834	#endif
4477		4835
4478	#if EV_FORK_ENABLE	4836	#if EV_FORK_ENABLE
4479	void	4837	void
4480	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4838	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4481	{	4839	{
4482	if (expect_false (ev_is_active (w)))	4840	if (expect_false (ev_is_active (w)))
4483	return;	4841	return;
4484		4842
4485	EV_FREQUENT_CHECK;	4843	EV_FREQUENT_CHECK;
…		…
4490		4848
4491	EV_FREQUENT_CHECK;	4849	EV_FREQUENT_CHECK;
4492	}	4850	}
4493		4851
4494	void	4852	void
4495	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4853	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4496	{	4854	{
4497	clear_pending (EV_A_ (W)w);	4855	clear_pending (EV_A_ (W)w);
4498	if (expect_false (!ev_is_active (w)))	4856	if (expect_false (!ev_is_active (w)))
4499	return;	4857	return;
4500		4858
…		…
4513	}	4871	}
4514	#endif	4872	#endif
4515		4873
4516	#if EV_CLEANUP_ENABLE	4874	#if EV_CLEANUP_ENABLE
4517	void	4875	void
4518	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4876	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4519	{	4877	{
4520	if (expect_false (ev_is_active (w)))	4878	if (expect_false (ev_is_active (w)))
4521	return;	4879	return;
4522		4880
4523	EV_FREQUENT_CHECK;	4881	EV_FREQUENT_CHECK;
…		…
4530	ev_unref (EV_A);	4888	ev_unref (EV_A);
4531	EV_FREQUENT_CHECK;	4889	EV_FREQUENT_CHECK;
4532	}	4890	}
4533		4891
4534	void	4892	void
4535	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4893	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4536	{	4894	{
4537	clear_pending (EV_A_ (W)w);	4895	clear_pending (EV_A_ (W)w);
4538	if (expect_false (!ev_is_active (w)))	4896	if (expect_false (!ev_is_active (w)))
4539	return;	4897	return;
4540		4898
…		…
4554	}	4912	}
4555	#endif	4913	#endif
4556		4914
4557	#if EV_ASYNC_ENABLE	4915	#if EV_ASYNC_ENABLE
4558	void	4916	void
4559	ev_async_start (EV_P_ ev_async *w) EV_THROW	4917	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4560	{	4918	{
4561	if (expect_false (ev_is_active (w)))	4919	if (expect_false (ev_is_active (w)))
4562	return;	4920	return;
4563		4921
4564	w->sent = 0;	4922	w->sent = 0;
…		…
4573		4931
4574	EV_FREQUENT_CHECK;	4932	EV_FREQUENT_CHECK;
4575	}	4933	}
4576		4934
4577	void	4935	void
4578	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4936	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4579	{	4937	{
4580	clear_pending (EV_A_ (W)w);	4938	clear_pending (EV_A_ (W)w);
4581	if (expect_false (!ev_is_active (w)))	4939	if (expect_false (!ev_is_active (w)))
4582	return;	4940	return;
4583		4941
…		…
4594		4952
4595	EV_FREQUENT_CHECK;	4953	EV_FREQUENT_CHECK;
4596	}	4954	}
4597		4955
4598	void	4956	void
4599	ev_async_send (EV_P_ ev_async *w) EV_THROW	4957	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4600	{	4958	{
4601	w->sent = 1;	4959	w->sent = 1;
4602	evpipe_write (EV_A_ &async_pending);	4960	evpipe_write (EV_A_ &async_pending);
4603	}	4961	}
4604	#endif	4962	#endif
…		…
4641		4999
4642	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5000	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4643	}	5001	}
4644		5002
4645	void	5003	void
4646	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5004	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4647	{	5005	{
4648	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5006	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4649
4650	if (expect_false (!once))
4651	{
4652	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4653	return;
4654	}
4655		5007
4656	once->cb = cb;	5008	once->cb = cb;
4657	once->arg = arg;	5009	once->arg = arg;
4658		5010
4659	ev_init (&once->io, once_cb_io);	5011	ev_init (&once->io, once_cb_io);
…		…
4672	}	5024	}
4673		5025
4674	/*****************************************************************************/	5026	/*****************************************************************************/
4675		5027
4676	#if EV_WALK_ENABLE	5028	#if EV_WALK_ENABLE
4677	void ecb_cold	5029	ecb_cold
		5030	void
4678	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5031	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4679	{	5032	{
4680	int i, j;	5033	int i, j;
4681	ev_watcher_list *wl, *wn;	5034	ev_watcher_list *wl, *wn;
4682		5035
4683	if (types & (EV_IO | EV_EMBED))	5036	if (types & (EV_IO | EV_EMBED))

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