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Comparing libev/ev.c (file contents):
Revision 1.471 by root, Tue Sep 9 12:41:56 2014 UTC vs.
Revision 1.490 by root, Thu Jun 20 22:44:59 2019 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 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	*
…		…
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
…		…
313		315
314	#ifndef EV_USE_PORT	316	#ifndef EV_USE_PORT
315	# define EV_USE_PORT 0	317	# define EV_USE_PORT 0
316	#endif	318	#endif
317		319
		320	#ifndef EV_USE_LINUXAIO
		321	# define EV_USE_LINUXAIO 0
		322	#endif
		323
318	#ifndef EV_USE_INOTIFY	324	#ifndef EV_USE_INOTIFY
319	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	325	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
320	# define EV_USE_INOTIFY EV_FEATURE_OS	326	# define EV_USE_INOTIFY EV_FEATURE_OS
321	# else	327	# else
322	# define EV_USE_INOTIFY 0	328	# define EV_USE_INOTIFY 0
…		…
363		369
364	#ifndef EV_HEAP_CACHE_AT	370	#ifndef EV_HEAP_CACHE_AT
365	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	371	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
366	#endif	372	#endif
367		373
368	#ifdef ANDROID	374	#ifdef __ANDROID__
369	/* supposedly, android doesn't typedef fd_mask */	375	/* supposedly, android doesn't typedef fd_mask */
370	# undef EV_USE_SELECT	376	# undef EV_USE_SELECT
371	# define EV_USE_SELECT 0	377	# define EV_USE_SELECT 0
372	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	378	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
373	# undef EV_USE_CLOCK_SYSCALL	379	# undef EV_USE_CLOCK_SYSCALL
…		…
377	/* aix's poll.h seems to cause lots of trouble */	383	/* aix's poll.h seems to cause lots of trouble */
378	#ifdef _AIX	384	#ifdef _AIX
379	/* AIX has a completely broken poll.h header */	385	/* AIX has a completely broken poll.h header */
380	# undef EV_USE_POLL	386	# undef EV_USE_POLL
381	# define EV_USE_POLL 0	387	# define EV_USE_POLL 0
		388	#endif
		389
		390	#if EV_USE_LINUXAIO
		391	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
382	#endif	392	#endif
383		393
384	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	394	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
385	/* which makes programs even slower. might work on other unices, too. */	395	/* which makes programs even slower. might work on other unices, too. */
386	#if EV_USE_CLOCK_SYSCALL	396	#if EV_USE_CLOCK_SYSCALL
…		…
491	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	501	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
492	/* ECB.H BEGIN */	502	/* ECB.H BEGIN */
493	/*	503	/*
494	* libecb - http://software.schmorp.de/pkg/libecb	504	* libecb - http://software.schmorp.de/pkg/libecb
495	*	505	*
496	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>	506	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
497	* Copyright (©) 2011 Emanuele Giaquinta	507	* Copyright (©) 2011 Emanuele Giaquinta
498	* All rights reserved.	508	* All rights reserved.
499	*	509	*
500	* Redistribution and use in source and binary forms, with or without modifica-	510	* Redistribution and use in source and binary forms, with or without modifica-
501	* tion, are permitted provided that the following conditions are met:	511	* tion, are permitted provided that the following conditions are met:
…		…
532		542
533	#ifndef ECB_H	543	#ifndef ECB_H
534	#define ECB_H	544	#define ECB_H
535		545
536	/* 16 bits major, 16 bits minor */	546	/* 16 bits major, 16 bits minor */
537	#define ECB_VERSION 0x00010003	547	#define ECB_VERSION 0x00010005
538		548
539	#ifdef _WIN32	549	#ifdef _WIN32
540	typedef signed char int8_t;	550	typedef signed char int8_t;
541	typedef unsigned char uint8_t;	551	typedef unsigned char uint8_t;
542	typedef signed short int16_t;	552	typedef signed short int16_t;
…		…
559	typedef uint32_t uintptr_t;	569	typedef uint32_t uintptr_t;
560	typedef int32_t intptr_t;	570	typedef int32_t intptr_t;
561	#endif	571	#endif
562	#else	572	#else
563	#include <inttypes.h>	573	#include <inttypes.h>
564	#if UINTMAX_MAX > 0xffffffffU	574	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
565	#define ECB_PTRSIZE 8	575	#define ECB_PTRSIZE 8
566	#else	576	#else
567	#define ECB_PTRSIZE 4	577	#define ECB_PTRSIZE 4
568	#endif	578	#endif
569	#endif	579	#endif
570		580
		581	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		582	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		583
571	/* work around x32 idiocy by defining proper macros */	584	/* work around x32 idiocy by defining proper macros */
572	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	585	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
573	#if _ILP32	586	#if _ILP32
574	#define ECB_AMD64_X32 1	587	#define ECB_AMD64_X32 1
575	#else	588	#else
576	#define ECB_AMD64 1	589	#define ECB_AMD64 1
577	#endif	590	#endif
…		…
582	* causing enormous grief in return for some better fake benchmark numbers.	595	* causing enormous grief in return for some better fake benchmark numbers.
583	* or so.	596	* or so.
584	* we try to detect these and simply assume they are not gcc - if they have	597	* we try to detect these and simply assume they are not gcc - if they have
585	* an issue with that they should have done it right in the first place.	598	* an issue with that they should have done it right in the first place.
586	*/	599	*/
587	#ifndef ECB_GCC_VERSION
588	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	600	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
589	#define ECB_GCC_VERSION(major,minor) 0	601	#define ECB_GCC_VERSION(major,minor) 0
590	#else	602	#else
591	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	603	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
592	#endif	604	#endif
		605
		606	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		607
		608	#if __clang__ && defined __has_builtin
		609	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		610	#else
		611	#define ECB_CLANG_BUILTIN(x) 0
		612	#endif
		613
		614	#if __clang__ && defined __has_extension
		615	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		616	#else
		617	#define ECB_CLANG_EXTENSION(x) 0
593	#endif	618	#endif
594		619
595	#define ECB_CPP (__cplusplus+0)	620	#define ECB_CPP (__cplusplus+0)
596	#define ECB_CPP11 (__cplusplus >= 201103L)	621	#define ECB_CPP11 (__cplusplus >= 201103L)
		622	#define ECB_CPP14 (__cplusplus >= 201402L)
		623	#define ECB_CPP17 (__cplusplus >= 201703L)
597		624
598	#if ECB_CPP	625	#if ECB_CPP
599	#define ECB_C 0	626	#define ECB_C 0
600	#define ECB_STDC_VERSION 0	627	#define ECB_STDC_VERSION 0
601	#else	628	#else
…		…
603	#define ECB_STDC_VERSION __STDC_VERSION__	630	#define ECB_STDC_VERSION __STDC_VERSION__
604	#endif	631	#endif
605		632
606	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)	633	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
607	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)	634	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		635	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
608		636
609	#if ECB_CPP	637	#if ECB_CPP
610	#define ECB_EXTERN_C extern "C"	638	#define ECB_EXTERN_C extern "C"
611	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	639	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
612	#define ECB_EXTERN_C_END }	640	#define ECB_EXTERN_C_END }
…		…
625	#define ECB_NO_SMP 1	653	#define ECB_NO_SMP 1
626	#endif	654	#endif
627		655
628	#if ECB_NO_SMP	656	#if ECB_NO_SMP
629	#define ECB_MEMORY_FENCE do { } while (0)	657	#define ECB_MEMORY_FENCE do { } while (0)
		658	#endif
		659
		660	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		661	#if __xlC__ && ECB_CPP
		662	#include <builtins.h>
		663	#endif
		664
		665	#if 1400 <= _MSC_VER
		666	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
630	#endif	667	#endif
631		668
632	#ifndef ECB_MEMORY_FENCE	669	#ifndef ECB_MEMORY_FENCE
633	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	670	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
634	#if __i386 || __i386__	671	#if __i386 || __i386__
635	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	672	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
636	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	673	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
637	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	674	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
638	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	675	#elif ECB_GCC_AMD64
639	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	676	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
640	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	677	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
641	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	678	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
642	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	679	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
643	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	680	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		681	#elif defined __ARM_ARCH_2__ \
		682	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		683	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		684	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		685	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		686	|| defined __ARM_ARCH_5TEJ__
		687	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
644	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	688	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
645	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	689	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		690	|| defined __ARM_ARCH_6T2__
646	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	691	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
647	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	692	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
648	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	693	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
649	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	694	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
650	#elif __aarch64__	695	#elif __aarch64__
651	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	696	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
652	#elif (__sparc || __sparc__) && !__sparcv8	697	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
653	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	698	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
654	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	699	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
655	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	700	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
656	#elif defined __s390__ || defined __s390x__	701	#elif defined __s390__ || defined __s390x__
657	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	702	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
681	/* see comment below (stdatomic.h) about the C11 memory model. */	726	/* see comment below (stdatomic.h) about the C11 memory model. */
682	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	727	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
683	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	728	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
684	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)	729	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
685		730
686	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	731	#elif ECB_CLANG_EXTENSION(c_atomic)
687	* without risking compile time errors with other compilers. We *could*
688	* define our own ecb_clang_has_feature, but I just can't be bothered to work
689	* around this shit time and again.
690	* #elif defined __clang && __has_feature (cxx_atomic)
691	* // see comment below (stdatomic.h) about the C11 memory model.	732	/* see comment below (stdatomic.h) about the C11 memory model. */
692	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	733	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
693	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	734	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
694	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	735	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
695	*/
696		736
697	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	737	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
698	#define ECB_MEMORY_FENCE __sync_synchronize ()	738	#define ECB_MEMORY_FENCE __sync_synchronize ()
699	#elif _MSC_VER >= 1500 /* VC++ 2008 */	739	#elif _MSC_VER >= 1500 /* VC++ 2008 */
700	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	740	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
763	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	803	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
764	#endif	804	#endif
765		805
766	/*****************************************************************************/	806	/*****************************************************************************/
767		807
768	#if __cplusplus	808	#if ECB_CPP
769	#define ecb_inline static inline	809	#define ecb_inline static inline
770	#elif ECB_GCC_VERSION(2,5)	810	#elif ECB_GCC_VERSION(2,5)
771	#define ecb_inline static __inline__	811	#define ecb_inline static __inline__
772	#elif ECB_C99	812	#elif ECB_C99
773	#define ecb_inline static inline	813	#define ecb_inline static inline
…		…
787		827
788	#define ECB_CONCAT_(a, b) a ## b	828	#define ECB_CONCAT_(a, b) a ## b
789	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	829	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
790	#define ECB_STRINGIFY_(a) # a	830	#define ECB_STRINGIFY_(a) # a
791	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	831	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		832	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
792		833
793	#define ecb_function_ ecb_inline	834	#define ecb_function_ ecb_inline
794		835
795	#if ECB_GCC_VERSION(3,1)	836	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
796	#define ecb_attribute(attrlist) __attribute__(attrlist)	837	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		838	#else
		839	#define ecb_attribute(attrlist)
		840	#endif
		841
		842	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
797	#define ecb_is_constant(expr) __builtin_constant_p (expr)	843	#define ecb_is_constant(expr) __builtin_constant_p (expr)
798	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
799	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
800	#else	844	#else
801	#define ecb_attribute(attrlist)
802
803	/* possible C11 impl for integral types	845	/* possible C11 impl for integral types
804	typedef struct ecb_is_constant_struct ecb_is_constant_struct;	846	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
805	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */	847	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
806		848
807	#define ecb_is_constant(expr) 0	849	#define ecb_is_constant(expr) 0
		850	#endif
		851
		852	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
		853	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		854	#else
808	#define ecb_expect(expr,value) (expr)	855	#define ecb_expect(expr,value) (expr)
		856	#endif
		857
		858	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
		859	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		860	#else
809	#define ecb_prefetch(addr,rw,locality)	861	#define ecb_prefetch(addr,rw,locality)
810	#endif	862	#endif
811		863
812	/* no emulation for ecb_decltype */	864	/* no emulation for ecb_decltype */
813	#if ECB_GCC_VERSION(4,5)	865	#if ECB_CPP11
		866	// older implementations might have problems with decltype(x)::type, work around it
		867	template<class T> struct ecb_decltype_t { typedef T type; };
814	#define ecb_decltype(x) __decltype(x)	868	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
815	#elif ECB_GCC_VERSION(3,0)	869	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
816	#define ecb_decltype(x) __typeof(x)	870	#define ecb_decltype(x) __typeof__ (x)
817	#endif	871	#endif
818		872
819	#if _MSC_VER >= 1300	873	#if _MSC_VER >= 1300
820	#define ecb_deprecated __declspec(deprecated)	874	#define ecb_deprecated __declspec (deprecated)
821	#else	875	#else
822	#define ecb_deprecated ecb_attribute ((__deprecated__))	876	#define ecb_deprecated ecb_attribute ((__deprecated__))
823	#endif	877	#endif
824		878
		879	#if _MSC_VER >= 1500
		880	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		881	#elif ECB_GCC_VERSION(4,5)
		882	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		883	#else
		884	#define ecb_deprecated_message(msg) ecb_deprecated
		885	#endif
		886
		887	#if _MSC_VER >= 1400
		888	#define ecb_noinline __declspec (noinline)
		889	#else
825	#define ecb_noinline ecb_attribute ((__noinline__))	890	#define ecb_noinline ecb_attribute ((__noinline__))
		891	#endif
		892
826	#define ecb_unused ecb_attribute ((__unused__))	893	#define ecb_unused ecb_attribute ((__unused__))
827	#define ecb_const ecb_attribute ((__const__))	894	#define ecb_const ecb_attribute ((__const__))
828	#define ecb_pure ecb_attribute ((__pure__))	895	#define ecb_pure ecb_attribute ((__pure__))
829		896
830	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */	897	#if ECB_C11 || __IBMC_NORETURN
831	#if ECB_C11	898	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
832	#define ecb_noreturn _Noreturn	899	#define ecb_noreturn _Noreturn
		900	#elif ECB_CPP11
		901	#define ecb_noreturn [[noreturn]]
		902	#elif _MSC_VER >= 1200
		903	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		904	#define ecb_noreturn __declspec (noreturn)
833	#else	905	#else
834	#define ecb_noreturn ecb_attribute ((__noreturn__))	906	#define ecb_noreturn ecb_attribute ((__noreturn__))
835	#endif	907	#endif
836		908
837	#if ECB_GCC_VERSION(4,3)	909	#if ECB_GCC_VERSION(4,3)
…		…
852	/* for compatibility to the rest of the world */	924	/* for compatibility to the rest of the world */
853	#define ecb_likely(expr) ecb_expect_true (expr)	925	#define ecb_likely(expr) ecb_expect_true (expr)
854	#define ecb_unlikely(expr) ecb_expect_false (expr)	926	#define ecb_unlikely(expr) ecb_expect_false (expr)
855		927
856	/* count trailing zero bits and count # of one bits */	928	/* count trailing zero bits and count # of one bits */
857	#if ECB_GCC_VERSION(3,4)	929	#if ECB_GCC_VERSION(3,4) \
		930	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		931	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		932	&& ECB_CLANG_BUILTIN(__builtin_popcount))
858	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	933	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
859	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	934	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
860	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	935	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
861	#define ecb_ctz32(x) __builtin_ctz (x)	936	#define ecb_ctz32(x) __builtin_ctz (x)
862	#define ecb_ctz64(x) __builtin_ctzll (x)	937	#define ecb_ctz64(x) __builtin_ctzll (x)
863	#define ecb_popcount32(x) __builtin_popcount (x)	938	#define ecb_popcount32(x) __builtin_popcount (x)
864	/* no popcountll */	939	/* no popcountll */
865	#else	940	#else
866	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	941	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
867	ecb_function_ int	942	ecb_function_ ecb_const int
868	ecb_ctz32 (uint32_t x)	943	ecb_ctz32 (uint32_t x)
869	{	944	{
		945	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		946	unsigned long r;
		947	_BitScanForward (&r, x);
		948	return (int)r;
		949	#else
870	int r = 0;	950	int r = 0;
871		951
872	x &= ~x + 1; /* this isolates the lowest bit */	952	x &= ~x + 1; /* this isolates the lowest bit */
873		953
874	#if ECB_branchless_on_i386	954	#if ECB_branchless_on_i386
…		…
884	if (x & 0xff00ff00) r += 8;	964	if (x & 0xff00ff00) r += 8;
885	if (x & 0xffff0000) r += 16;	965	if (x & 0xffff0000) r += 16;
886	#endif	966	#endif
887		967
888	return r;	968	return r;
		969	#endif
889	}	970	}
890		971
891	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	972	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
892	ecb_function_ int	973	ecb_function_ ecb_const int
893	ecb_ctz64 (uint64_t x)	974	ecb_ctz64 (uint64_t x)
894	{	975	{
		976	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		977	unsigned long r;
		978	_BitScanForward64 (&r, x);
		979	return (int)r;
		980	#else
895	int shift = x & 0xffffffffU ? 0 : 32;	981	int shift = x & 0xffffffff ? 0 : 32;
896	return ecb_ctz32 (x >> shift) + shift;	982	return ecb_ctz32 (x >> shift) + shift;
		983	#endif
897	}	984	}
898		985
899	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	986	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
900	ecb_function_ int	987	ecb_function_ ecb_const int
901	ecb_popcount32 (uint32_t x)	988	ecb_popcount32 (uint32_t x)
902	{	989	{
903	x -= (x >> 1) & 0x55555555;	990	x -= (x >> 1) & 0x55555555;
904	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	991	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
905	x = ((x >> 4) + x) & 0x0f0f0f0f;	992	x = ((x >> 4) + x) & 0x0f0f0f0f;
906	x *= 0x01010101;	993	x *= 0x01010101;
907		994
908	return x >> 24;	995	return x >> 24;
909	}	996	}
910		997
911	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	998	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
912	ecb_function_ int ecb_ld32 (uint32_t x)	999	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
913	{	1000	{
		1001	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1002	unsigned long r;
		1003	_BitScanReverse (&r, x);
		1004	return (int)r;
		1005	#else
914	int r = 0;	1006	int r = 0;
915		1007
916	if (x >> 16) { x >>= 16; r += 16; }	1008	if (x >> 16) { x >>= 16; r += 16; }
917	if (x >> 8) { x >>= 8; r += 8; }	1009	if (x >> 8) { x >>= 8; r += 8; }
918	if (x >> 4) { x >>= 4; r += 4; }	1010	if (x >> 4) { x >>= 4; r += 4; }
919	if (x >> 2) { x >>= 2; r += 2; }	1011	if (x >> 2) { x >>= 2; r += 2; }
920	if (x >> 1) { r += 1; }	1012	if (x >> 1) { r += 1; }
921		1013
922	return r;	1014	return r;
		1015	#endif
923	}	1016	}
924		1017
925	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1018	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
926	ecb_function_ int ecb_ld64 (uint64_t x)	1019	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
927	{	1020	{
		1021	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1022	unsigned long r;
		1023	_BitScanReverse64 (&r, x);
		1024	return (int)r;
		1025	#else
928	int r = 0;	1026	int r = 0;
929		1027
930	if (x >> 32) { x >>= 32; r += 32; }	1028	if (x >> 32) { x >>= 32; r += 32; }
931		1029
932	return r + ecb_ld32 (x);	1030	return r + ecb_ld32 (x);
		1031	#endif
933	}	1032	}
934	#endif	1033	#endif
935		1034
936	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1035	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
937	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1036	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
938	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1037	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
939	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1038	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
940		1039
941	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1040	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
942	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1041	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
943	{	1042	{
944	return ( (x * 0x0802U & 0x22110U)	1043	return ( (x * 0x0802U & 0x22110U)
945	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1044	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
946	}	1045	}
947		1046
948	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1047	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
949	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1048	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
950	{	1049	{
951	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1050	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
952	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1051	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
953	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1052	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
954	x = ( x >> 8 ) | ( x << 8);	1053	x = ( x >> 8 ) | ( x << 8);
955		1054
956	return x;	1055	return x;
957	}	1056	}
958		1057
959	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1058	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
960	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1059	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
961	{	1060	{
962	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1061	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
963	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1062	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
964	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1063	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
965	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1064	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
968	return x;	1067	return x;
969	}	1068	}
970		1069
971	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1070	/* popcount64 is only available on 64 bit cpus as gcc builtin */
972	/* so for this version we are lazy */	1071	/* so for this version we are lazy */
973	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1072	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
974	ecb_function_ int	1073	ecb_function_ ecb_const int
975	ecb_popcount64 (uint64_t x)	1074	ecb_popcount64 (uint64_t x)
976	{	1075	{
977	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1076	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
978	}	1077	}
979		1078
980	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1079	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
981	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1080	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
982	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1081	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
983	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1082	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
984	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1083	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
985	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1084	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
986	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1085	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
987	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1086	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
988		1087
989	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1088	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
990	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1089	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
991	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1090	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
992	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1091	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
993	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1092	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
994	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1093	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
995	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1094	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
996	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1095	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
997		1096
998	#if ECB_GCC_VERSION(4,3)	1097	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1098	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1099	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1100	#else
999	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1101	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1102	#endif
1000	#define ecb_bswap32(x) __builtin_bswap32 (x)	1103	#define ecb_bswap32(x) __builtin_bswap32 (x)
1001	#define ecb_bswap64(x) __builtin_bswap64 (x)	1104	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1105	#elif _MSC_VER
		1106	#include <stdlib.h>
		1107	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1108	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1109	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
1002	#else	1110	#else
1003	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1111	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
1004	ecb_function_ uint16_t	1112	ecb_function_ ecb_const uint16_t
1005	ecb_bswap16 (uint16_t x)	1113	ecb_bswap16 (uint16_t x)
1006	{	1114	{
1007	return ecb_rotl16 (x, 8);	1115	return ecb_rotl16 (x, 8);
1008	}	1116	}
1009		1117
1010	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1118	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
1011	ecb_function_ uint32_t	1119	ecb_function_ ecb_const uint32_t
1012	ecb_bswap32 (uint32_t x)	1120	ecb_bswap32 (uint32_t x)
1013	{	1121	{
1014	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1122	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
1015	}	1123	}
1016		1124
1017	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1125	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1018	ecb_function_ uint64_t	1126	ecb_function_ ecb_const uint64_t
1019	ecb_bswap64 (uint64_t x)	1127	ecb_bswap64 (uint64_t x)
1020	{	1128	{
1021	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1129	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1022	}	1130	}
1023	#endif	1131	#endif
1024		1132
1025	#if ECB_GCC_VERSION(4,5)	1133	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1026	#define ecb_unreachable() __builtin_unreachable ()	1134	#define ecb_unreachable() __builtin_unreachable ()
1027	#else	1135	#else
1028	/* this seems to work fine, but gcc always emits a warning for it :/ */	1136	/* this seems to work fine, but gcc always emits a warning for it :/ */
1029	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1137	ecb_inline ecb_noreturn void ecb_unreachable (void);
1030	ecb_inline void ecb_unreachable (void) { }	1138	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1031	#endif	1139	#endif
1032		1140
1033	/* try to tell the compiler that some condition is definitely true */	1141	/* try to tell the compiler that some condition is definitely true */
1034	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1142	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1035		1143
1036	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1144	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1037	ecb_inline unsigned char	1145	ecb_inline ecb_const uint32_t
1038	ecb_byteorder_helper (void)	1146	ecb_byteorder_helper (void)
1039	{	1147	{
1040	/* the union code still generates code under pressure in gcc, */	1148	/* the union code still generates code under pressure in gcc, */
1041	/* but less than using pointers, and always seems to */	1149	/* but less than using pointers, and always seems to */
1042	/* successfully return a constant. */	1150	/* successfully return a constant. */
1043	/* the reason why we have this horrible preprocessor mess */	1151	/* the reason why we have this horrible preprocessor mess */
1044	/* is to avoid it in all cases, at least on common architectures */	1152	/* is to avoid it in all cases, at least on common architectures */
1045	/* or when using a recent enough gcc version (>= 4.6) */	1153	/* or when using a recent enough gcc version (>= 4.6) */
1046	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
1047	return 0x44;
1048	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1154	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1155	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1156	#define ECB_LITTLE_ENDIAN 1
1049	return 0x44;	1157	return 0x44332211;
1050	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1158	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1159	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1160	#define ECB_BIG_ENDIAN 1
1051	return 0x11;	1161	return 0x11223344;
1052	#else	1162	#else
1053	union	1163	union
1054	{	1164	{
		1165	uint8_t c[4];
1055	uint32_t i;	1166	uint32_t u;
1056	uint8_t c;
1057	} u = { 0x11223344 };	1167	} u = { 0x11, 0x22, 0x33, 0x44 };
1058	return u.c;	1168	return u.u;
1059	#endif	1169	#endif
1060	}	1170	}
1061		1171
1062	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1172	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1063	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1173	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1064	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1174	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1065	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1175	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1066		1176
1067	#if ECB_GCC_VERSION(3,0) || ECB_C99	1177	#if ECB_GCC_VERSION(3,0) || ECB_C99
1068	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1178	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1069	#else	1179	#else
1070	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1180	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1071	#endif	1181	#endif
1072		1182
1073	#if __cplusplus	1183	#if ECB_CPP
1074	template<typename T>	1184	template<typename T>
1075	static inline T ecb_div_rd (T val, T div)	1185	static inline T ecb_div_rd (T val, T div)
1076	{	1186	{
1077	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1187	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1078	}	1188	}
…		…
1095	}	1205	}
1096	#else	1206	#else
1097	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1207	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1098	#endif	1208	#endif
1099		1209
		1210	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1211	ecb_function_ ecb_const uint32_t
		1212	ecb_binary16_to_binary32 (uint32_t x)
		1213	{
		1214	unsigned int s = (x & 0x8000) << (31 - 15);
		1215	int e = (x >> 10) & 0x001f;
		1216	unsigned int m = x & 0x03ff;
		1217
		1218	if (ecb_expect_false (e == 31))
		1219	/* infinity or NaN */
		1220	e = 255 - (127 - 15);
		1221	else if (ecb_expect_false (!e))
		1222	{
		1223	if (ecb_expect_true (!m))
		1224	/* zero, handled by code below by forcing e to 0 */
		1225	e = 0 - (127 - 15);
		1226	else
		1227	{
		1228	/* subnormal, renormalise */
		1229	unsigned int s = 10 - ecb_ld32 (m);
		1230
		1231	m = (m << s) & 0x3ff; /* mask implicit bit */
		1232	e -= s - 1;
		1233	}
		1234	}
		1235
		1236	/* e and m now are normalised, or zero, (or inf or nan) */
		1237	e += 127 - 15;
		1238
		1239	return s | (e << 23) | (m << (23 - 10));
		1240	}
		1241
		1242	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1243	ecb_function_ ecb_const uint16_t
		1244	ecb_binary32_to_binary16 (uint32_t x)
		1245	{
		1246	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1247	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1248	unsigned int m = x & 0x007fffff;
		1249
		1250	x &= 0x7fffffff;
		1251
		1252	/* if it's within range of binary16 normals, use fast path */
		1253	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1254	{
		1255	/* mantissa round-to-even */
		1256	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1257
		1258	/* handle overflow */
		1259	if (ecb_expect_false (m >= 0x00800000))
		1260	{
		1261	m >>= 1;
		1262	e += 1;
		1263	}
		1264
		1265	return s | (e << 10) | (m >> (23 - 10));
		1266	}
		1267
		1268	/* handle large numbers and infinity */
		1269	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1270	return s | 0x7c00;
		1271
		1272	/* handle zero, subnormals and small numbers */
		1273	if (ecb_expect_true (x < 0x38800000))
		1274	{
		1275	/* zero */
		1276	if (ecb_expect_true (!x))
		1277	return s;
		1278
		1279	/* handle subnormals */
		1280
		1281	/* too small, will be zero */
		1282	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1283	return s;
		1284
		1285	m |= 0x00800000; /* make implicit bit explicit */
		1286
		1287	/* very tricky - we need to round to the nearest e (+10) bit value */
		1288	{
		1289	unsigned int bits = 14 - e;
		1290	unsigned int half = (1 << (bits - 1)) - 1;
		1291	unsigned int even = (m >> bits) & 1;
		1292
		1293	/* if this overflows, we will end up with a normalised number */
		1294	m = (m + half + even) >> bits;
		1295	}
		1296
		1297	return s | m;
		1298	}
		1299
		1300	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1301	m >>= 13;
		1302
		1303	return s | 0x7c00 | m | !m;
		1304	}
		1305
1100	/*******************************************************************************/	1306	/*******************************************************************************/
1101	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1307	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1102		1308
1103	/* basically, everything uses "ieee pure-endian" floating point numbers */	1309	/* basically, everything uses "ieee pure-endian" floating point numbers */
1104	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1310	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1105	#if 0 \	1311	#if 0 \
1106	|| __i386 || __i386__ \	1312	|| __i386 || __i386__ \
1107	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1313	|| ECB_GCC_AMD64 \
1108	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1314	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1109	|| defined __s390__ || defined __s390x__ \	1315	|| defined __s390__ || defined __s390x__ \
1110	|| defined __mips__ \	1316	|| defined __mips__ \
1111	|| defined __alpha__ \	1317	|| defined __alpha__ \
1112	|| defined __hppa__ \	1318	|| defined __hppa__ \
1113	|| defined __ia64__ \	1319	|| defined __ia64__ \
1114	|| defined __m68k__ \	1320	|| defined __m68k__ \
1115	|| defined __m88k__ \	1321	|| defined __m88k__ \
1116	|| defined __sh__ \	1322	|| defined __sh__ \
1117	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1323	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1118	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \	1324	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1119	|| defined __aarch64__	1325	|| defined __aarch64__
1120	#define ECB_STDFP 1	1326	#define ECB_STDFP 1
1121	#include <string.h> /* for memcpy */	1327	#include <string.h> /* for memcpy */
1122	#else	1328	#else
…		…
1138	#define ECB_NAN NAN	1344	#define ECB_NAN NAN
1139	#else	1345	#else
1140	#define ECB_NAN ECB_INFINITY	1346	#define ECB_NAN ECB_INFINITY
1141	#endif	1347	#endif
1142		1348
1143	/* converts an ieee half/binary16 to a float */	1349	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1144	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1350	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1145	ecb_function_ float	1351	#define ecb_frexpf(x,e) frexpf ((x), (e))
1146	ecb_binary16_to_float (uint16_t x)	1352	#else
1147	{	1353	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1148	int e = (x >> 10) & 0x1f;	1354	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1149	int m = x & 0x3ff;	1355	#endif
1150	float r;
1151
1152	if (!e ) r = ldexpf (m , -24);
1153	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1154	else if (m ) r = ECB_NAN;
1155	else r = ECB_INFINITY;
1156
1157	return x & 0x8000 ? -r : r;
1158	}
1159		1356
1160	/* convert a float to ieee single/binary32 */	1357	/* convert a float to ieee single/binary32 */
1161	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1358	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1162	ecb_function_ uint32_t	1359	ecb_function_ ecb_const uint32_t
1163	ecb_float_to_binary32 (float x)	1360	ecb_float_to_binary32 (float x)
1164	{	1361	{
1165	uint32_t r;	1362	uint32_t r;
1166		1363
1167	#if ECB_STDFP	1364	#if ECB_STDFP
…		…
1174	if (x == 0e0f ) return 0x00000000U;	1371	if (x == 0e0f ) return 0x00000000U;
1175	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1372	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1176	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1373	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1177	if (x != x ) return 0x7fbfffffU;	1374	if (x != x ) return 0x7fbfffffU;
1178		1375
1179	m = frexpf (x, &e) * 0x1000000U;	1376	m = ecb_frexpf (x, &e) * 0x1000000U;
1180		1377
1181	r = m & 0x80000000U;	1378	r = m & 0x80000000U;
1182		1379
1183	if (r)	1380	if (r)
1184	m = -m;	1381	m = -m;
…		…
1196		1393
1197	return r;	1394	return r;
1198	}	1395	}
1199		1396
1200	/* converts an ieee single/binary32 to a float */	1397	/* converts an ieee single/binary32 to a float */
1201	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1398	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1202	ecb_function_ float	1399	ecb_function_ ecb_const float
1203	ecb_binary32_to_float (uint32_t x)	1400	ecb_binary32_to_float (uint32_t x)
1204	{	1401	{
1205	float r;	1402	float r;
1206		1403
1207	#if ECB_STDFP	1404	#if ECB_STDFP
…		…
1217	x |= 0x800000U;	1414	x |= 0x800000U;
1218	else	1415	else
1219	e = 1;	1416	e = 1;
1220		1417
1221	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1418	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1222	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1419	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1223		1420
1224	r = neg ? -r : r;	1421	r = neg ? -r : r;
1225	#endif	1422	#endif
1226		1423
1227	return r;	1424	return r;
1228	}	1425	}
1229		1426
1230	/* convert a double to ieee double/binary64 */	1427	/* convert a double to ieee double/binary64 */
1231	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1428	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1232	ecb_function_ uint64_t	1429	ecb_function_ ecb_const uint64_t
1233	ecb_double_to_binary64 (double x)	1430	ecb_double_to_binary64 (double x)
1234	{	1431	{
1235	uint64_t r;	1432	uint64_t r;
1236		1433
1237	#if ECB_STDFP	1434	#if ECB_STDFP
…		…
1266		1463
1267	return r;	1464	return r;
1268	}	1465	}
1269		1466
1270	/* converts an ieee double/binary64 to a double */	1467	/* converts an ieee double/binary64 to a double */
1271	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1468	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1272	ecb_function_ double	1469	ecb_function_ ecb_const double
1273	ecb_binary64_to_double (uint64_t x)	1470	ecb_binary64_to_double (uint64_t x)
1274	{	1471	{
1275	double r;	1472	double r;
1276		1473
1277	#if ECB_STDFP	1474	#if ECB_STDFP
…		…
1293		1490
1294	r = neg ? -r : r;	1491	r = neg ? -r : r;
1295	#endif	1492	#endif
1296		1493
1297	return r;	1494	return r;
		1495	}
		1496
		1497	/* convert a float to ieee half/binary16 */
		1498	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1499	ecb_function_ ecb_const uint16_t
		1500	ecb_float_to_binary16 (float x)
		1501	{
		1502	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1503	}
		1504
		1505	/* convert an ieee half/binary16 to float */
		1506	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1507	ecb_function_ ecb_const float
		1508	ecb_binary16_to_float (uint16_t x)
		1509	{
		1510	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1298	}	1511	}
1299		1512
1300	#endif	1513	#endif
1301		1514
1302	#endif	1515	#endif
…		…
1327	#define inline_size ecb_inline	1540	#define inline_size ecb_inline
1328		1541
1329	#if EV_FEATURE_CODE	1542	#if EV_FEATURE_CODE
1330	# define inline_speed ecb_inline	1543	# define inline_speed ecb_inline
1331	#else	1544	#else
1332	# define inline_speed static noinline	1545	# define inline_speed noinline static
1333	#endif	1546	#endif
1334		1547
1335	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1548	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1336		1549
1337	#if EV_MINPRI == EV_MAXPRI	1550	#if EV_MINPRI == EV_MAXPRI
1338	# define ABSPRI(w) (((W)w), 0)	1551	# define ABSPRI(w) (((W)w), 0)
1339	#else	1552	#else
1340	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1553	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1341	#endif	1554	#endif
1342		1555
1343	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1556	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1344	#define EMPTY2(a,b) /* used to suppress some warnings */
1345		1557
1346	typedef ev_watcher *W;	1558	typedef ev_watcher *W;
1347	typedef ev_watcher_list *WL;	1559	typedef ev_watcher_list *WL;
1348	typedef ev_watcher_time *WT;	1560	typedef ev_watcher_time *WT;
1349		1561
…		…
1384	#else	1596	#else
1385		1597
1386	#include <float.h>	1598	#include <float.h>
1387		1599
1388	/* a floor() replacement function, should be independent of ev_tstamp type */	1600	/* a floor() replacement function, should be independent of ev_tstamp type */
		1601	noinline
1389	static ev_tstamp noinline	1602	static ev_tstamp
1390	ev_floor (ev_tstamp v)	1603	ev_floor (ev_tstamp v)
1391	{	1604	{
1392	/* the choice of shift factor is not terribly important */	1605	/* the choice of shift factor is not terribly important */
1393	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1606	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1394	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1607	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1426		1639
1427	#ifdef __linux	1640	#ifdef __linux
1428	# include <sys/utsname.h>	1641	# include <sys/utsname.h>
1429	#endif	1642	#endif
1430		1643
1431	static unsigned int noinline ecb_cold	1644	noinline ecb_cold
		1645	static unsigned int
1432	ev_linux_version (void)	1646	ev_linux_version (void)
1433	{	1647	{
1434	#ifdef __linux	1648	#ifdef __linux
1435	unsigned int v = 0;	1649	unsigned int v = 0;
1436	struct utsname buf;	1650	struct utsname buf;
…		…
1465	}	1679	}
1466		1680
1467	/*****************************************************************************/	1681	/*****************************************************************************/
1468		1682
1469	#if EV_AVOID_STDIO	1683	#if EV_AVOID_STDIO
1470	static void noinline ecb_cold	1684	noinline ecb_cold
		1685	static void
1471	ev_printerr (const char *msg)	1686	ev_printerr (const char *msg)
1472	{	1687	{
1473	write (STDERR_FILENO, msg, strlen (msg));	1688	write (STDERR_FILENO, msg, strlen (msg));
1474	}	1689	}
1475	#endif	1690	#endif
1476		1691
1477	static void (*syserr_cb)(const char *msg) EV_THROW;	1692	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1478		1693
1479	void ecb_cold	1694	ecb_cold
		1695	void
1480	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1696	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1481	{	1697	{
1482	syserr_cb = cb;	1698	syserr_cb = cb;
1483	}	1699	}
1484		1700
1485	static void noinline ecb_cold	1701	noinline ecb_cold
		1702	static void
1486	ev_syserr (const char *msg)	1703	ev_syserr (const char *msg)
1487	{	1704	{
1488	if (!msg)	1705	if (!msg)
1489	msg = "(libev) system error";	1706	msg = "(libev) system error";
1490		1707
…		…
1503	abort ();	1720	abort ();
1504	}	1721	}
1505	}	1722	}
1506		1723
1507	static void *	1724	static void *
1508	ev_realloc_emul (void *ptr, long size) EV_THROW	1725	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1509	{	1726	{
1510	/* some systems, notably openbsd and darwin, fail to properly	1727	/* some systems, notably openbsd and darwin, fail to properly
1511	* implement realloc (x, 0) (as required by both ansi c-89 and	1728	* implement realloc (x, 0) (as required by both ansi c-89 and
1512	* the single unix specification, so work around them here.	1729	* the single unix specification, so work around them here.
1513	* recently, also (at least) fedora and debian started breaking it,	1730	* recently, also (at least) fedora and debian started breaking it,
…		…
1519		1736
1520	free (ptr);	1737	free (ptr);
1521	return 0;	1738	return 0;
1522	}	1739	}
1523		1740
1524	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1741	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1525		1742
1526	void ecb_cold	1743	ecb_cold
		1744	void
1527	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1745	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1528	{	1746	{
1529	alloc = cb;	1747	alloc = cb;
1530	}	1748	}
1531		1749
1532	inline_speed void *	1750	inline_speed void *
…		…
1559	typedef struct	1777	typedef struct
1560	{	1778	{
1561	WL head;	1779	WL head;
1562	unsigned char events; /* the events watched for */	1780	unsigned char events; /* the events watched for */
1563	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1781	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1564	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1782	unsigned char emask; /* some backends store the actual kernel mask in here */
1565	unsigned char unused;	1783	unsigned char unused;
1566	#if EV_USE_EPOLL	1784	#if EV_USE_EPOLL
1567	unsigned int egen; /* generation counter to counter epoll bugs */	1785	unsigned int egen; /* generation counter to counter epoll bugs */
1568	#endif	1786	#endif
1569	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1787	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1649		1867
1650	/*****************************************************************************/	1868	/*****************************************************************************/
1651		1869
1652	#ifndef EV_HAVE_EV_TIME	1870	#ifndef EV_HAVE_EV_TIME
1653	ev_tstamp	1871	ev_tstamp
1654	ev_time (void) EV_THROW	1872	ev_time (void) EV_NOEXCEPT
1655	{	1873	{
1656	#if EV_USE_REALTIME	1874	#if EV_USE_REALTIME
1657	if (expect_true (have_realtime))	1875	if (expect_true (have_realtime))
1658	{	1876	{
1659	struct timespec ts;	1877	struct timespec ts;
…		…
1683	return ev_time ();	1901	return ev_time ();
1684	}	1902	}
1685		1903
1686	#if EV_MULTIPLICITY	1904	#if EV_MULTIPLICITY
1687	ev_tstamp	1905	ev_tstamp
1688	ev_now (EV_P) EV_THROW	1906	ev_now (EV_P) EV_NOEXCEPT
1689	{	1907	{
1690	return ev_rt_now;	1908	return ev_rt_now;
1691	}	1909	}
1692	#endif	1910	#endif
1693		1911
1694	void	1912	void
1695	ev_sleep (ev_tstamp delay) EV_THROW	1913	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1696	{	1914	{
1697	if (delay > 0.)	1915	if (delay > 0.)
1698	{	1916	{
1699	#if EV_USE_NANOSLEEP	1917	#if EV_USE_NANOSLEEP
1700	struct timespec ts;	1918	struct timespec ts;
1701		1919
1702	EV_TS_SET (ts, delay);	1920	EV_TS_SET (ts, delay);
1703	nanosleep (&ts, 0);	1921	nanosleep (&ts, 0);
1704	#elif defined _WIN32	1922	#elif defined _WIN32
		1923	/* maybe this should round up, as ms is very low resolution */
		1924	/* compared to select (µs) or nanosleep (ns) */
1705	Sleep ((unsigned long)(delay * 1e3));	1925	Sleep ((unsigned long)(delay * 1e3));
1706	#else	1926	#else
1707	struct timeval tv;	1927	struct timeval tv;
1708		1928
1709	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1929	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1740	}	1960	}
1741		1961
1742	return ncur;	1962	return ncur;
1743	}	1963	}
1744		1964
1745	static void * noinline ecb_cold	1965	noinline ecb_cold
		1966	static void *
1746	array_realloc (int elem, void *base, int *cur, int cnt)	1967	array_realloc (int elem, void *base, int *cur, int cnt)
1747	{	1968	{
1748	*cur = array_nextsize (elem, *cur, cnt);	1969	*cur = array_nextsize (elem, *cur, cnt);
1749	return ev_realloc (base, elem * *cur);	1970	return ev_realloc (base, elem * *cur);
1750	}	1971	}
1751		1972
		1973	#define array_needsize_noinit(base,count)
		1974
1752	#define array_init_zero(base,count) \	1975	#define array_needsize_zerofill(base,count) \
1753	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1976	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1754		1977
1755	#define array_needsize(type,base,cur,cnt,init) \	1978	#define array_needsize(type,base,cur,cnt,init) \
1756	if (expect_false ((cnt) > (cur))) \	1979	if (expect_false ((cnt) > (cur))) \
1757	{ \	1980	{ \
1758	int ecb_unused ocur_ = (cur); \	1981	ecb_unused int ocur_ = (cur); \
1759	(base) = (type *)array_realloc \	1982	(base) = (type *)array_realloc \
1760	(sizeof (type), (base), &(cur), (cnt)); \	1983	(sizeof (type), (base), &(cur), (cnt)); \
1761	init ((base) + (ocur_), (cur) - ocur_); \	1984	init ((base) + (ocur_), (cur) - ocur_); \
1762	}	1985	}
1763		1986
…		…
1775	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	1998	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1776		1999
1777	/*****************************************************************************/	2000	/*****************************************************************************/
1778		2001
1779	/* dummy callback for pending events */	2002	/* dummy callback for pending events */
1780	static void noinline	2003	noinline
		2004	static void
1781	pendingcb (EV_P_ ev_prepare *w, int revents)	2005	pendingcb (EV_P_ ev_prepare *w, int revents)
1782	{	2006	{
1783	}	2007	}
1784		2008
1785	void noinline	2009	noinline
		2010	void
1786	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2011	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1787	{	2012	{
1788	W w_ = (W)w;	2013	W w_ = (W)w;
1789	int pri = ABSPRI (w_);	2014	int pri = ABSPRI (w_);
1790		2015
1791	if (expect_false (w_->pending))	2016	if (expect_false (w_->pending))
1792	pendings [pri][w_->pending - 1].events |= revents;	2017	pendings [pri][w_->pending - 1].events |= revents;
1793	else	2018	else
1794	{	2019	{
1795	w_->pending = ++pendingcnt [pri];	2020	w_->pending = ++pendingcnt [pri];
1796	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2021	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1797	pendings [pri][w_->pending - 1].w = w_;	2022	pendings [pri][w_->pending - 1].w = w_;
1798	pendings [pri][w_->pending - 1].events = revents;	2023	pendings [pri][w_->pending - 1].events = revents;
1799	}	2024	}
1800		2025
1801	pendingpri = NUMPRI - 1;	2026	pendingpri = NUMPRI - 1;
1802	}	2027	}
1803		2028
1804	inline_speed void	2029	inline_speed void
1805	feed_reverse (EV_P_ W w)	2030	feed_reverse (EV_P_ W w)
1806	{	2031	{
1807	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2032	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1808	rfeeds [rfeedcnt++] = w;	2033	rfeeds [rfeedcnt++] = w;
1809	}	2034	}
1810		2035
1811	inline_size void	2036	inline_size void
1812	feed_reverse_done (EV_P_ int revents)	2037	feed_reverse_done (EV_P_ int revents)
…		…
1852	if (expect_true (!anfd->reify))	2077	if (expect_true (!anfd->reify))
1853	fd_event_nocheck (EV_A_ fd, revents);	2078	fd_event_nocheck (EV_A_ fd, revents);
1854	}	2079	}
1855		2080
1856	void	2081	void
1857	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2082	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1858	{	2083	{
1859	if (fd >= 0 && fd < anfdmax)	2084	if (fd >= 0 && fd < anfdmax)
1860	fd_event_nocheck (EV_A_ fd, revents);	2085	fd_event_nocheck (EV_A_ fd, revents);
1861	}	2086	}
1862		2087
…		…
1920		2145
1921	fdchangecnt = 0;	2146	fdchangecnt = 0;
1922	}	2147	}
1923		2148
1924	/* something about the given fd changed */	2149	/* something about the given fd changed */
1925	inline_size void	2150	inline_size
		2151	void
1926	fd_change (EV_P_ int fd, int flags)	2152	fd_change (EV_P_ int fd, int flags)
1927	{	2153	{
1928	unsigned char reify = anfds [fd].reify;	2154	unsigned char reify = anfds [fd].reify;
1929	anfds [fd].reify |= flags;	2155	anfds [fd].reify |= flags;
1930		2156
1931	if (expect_true (!reify))	2157	if (expect_true (!reify))
1932	{	2158	{
1933	++fdchangecnt;	2159	++fdchangecnt;
1934	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2160	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1935	fdchanges [fdchangecnt - 1] = fd;	2161	fdchanges [fdchangecnt - 1] = fd;
1936	}	2162	}
1937	}	2163	}
1938		2164
1939	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2165	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1940	inline_speed void ecb_cold	2166	inline_speed ecb_cold void
1941	fd_kill (EV_P_ int fd)	2167	fd_kill (EV_P_ int fd)
1942	{	2168	{
1943	ev_io *w;	2169	ev_io *w;
1944		2170
1945	while ((w = (ev_io *)anfds [fd].head))	2171	while ((w = (ev_io *)anfds [fd].head))
…		…
1948	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2174	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1949	}	2175	}
1950	}	2176	}
1951		2177
1952	/* check whether the given fd is actually valid, for error recovery */	2178	/* check whether the given fd is actually valid, for error recovery */
1953	inline_size int ecb_cold	2179	inline_size ecb_cold int
1954	fd_valid (int fd)	2180	fd_valid (int fd)
1955	{	2181	{
1956	#ifdef _WIN32	2182	#ifdef _WIN32
1957	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2183	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1958	#else	2184	#else
1959	return fcntl (fd, F_GETFD) != -1;	2185	return fcntl (fd, F_GETFD) != -1;
1960	#endif	2186	#endif
1961	}	2187	}
1962		2188
1963	/* called on EBADF to verify fds */	2189	/* called on EBADF to verify fds */
1964	static void noinline ecb_cold	2190	noinline ecb_cold
		2191	static void
1965	fd_ebadf (EV_P)	2192	fd_ebadf (EV_P)
1966	{	2193	{
1967	int fd;	2194	int fd;
1968		2195
1969	for (fd = 0; fd < anfdmax; ++fd)	2196	for (fd = 0; fd < anfdmax; ++fd)
…		…
1971	if (!fd_valid (fd) && errno == EBADF)	2198	if (!fd_valid (fd) && errno == EBADF)
1972	fd_kill (EV_A_ fd);	2199	fd_kill (EV_A_ fd);
1973	}	2200	}
1974		2201
1975	/* called on ENOMEM in select/poll to kill some fds and retry */	2202	/* called on ENOMEM in select/poll to kill some fds and retry */
1976	static void noinline ecb_cold	2203	noinline ecb_cold
		2204	static void
1977	fd_enomem (EV_P)	2205	fd_enomem (EV_P)
1978	{	2206	{
1979	int fd;	2207	int fd;
1980		2208
1981	for (fd = anfdmax; fd--; )	2209	for (fd = anfdmax; fd--; )
…		…
1985	break;	2213	break;
1986	}	2214	}
1987	}	2215	}
1988		2216
1989	/* usually called after fork if backend needs to re-arm all fds from scratch */	2217	/* usually called after fork if backend needs to re-arm all fds from scratch */
1990	static void noinline	2218	noinline
		2219	static void
1991	fd_rearm_all (EV_P)	2220	fd_rearm_all (EV_P)
1992	{	2221	{
1993	int fd;	2222	int fd;
1994		2223
1995	for (fd = 0; fd < anfdmax; ++fd)	2224	for (fd = 0; fd < anfdmax; ++fd)
…		…
2176		2405
2177	/*****************************************************************************/	2406	/*****************************************************************************/
2178		2407
2179	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2408	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2180		2409
2181	static void noinline ecb_cold	2410	noinline ecb_cold
		2411	static void
2182	evpipe_init (EV_P)	2412	evpipe_init (EV_P)
2183	{	2413	{
2184	if (!ev_is_active (&pipe_w))	2414	if (!ev_is_active (&pipe_w))
2185	{	2415	{
2186	int fds [2];	2416	int fds [2];
…		…
2257	#endif	2487	#endif
2258	{	2488	{
2259	#ifdef _WIN32	2489	#ifdef _WIN32
2260	WSABUF buf;	2490	WSABUF buf;
2261	DWORD sent;	2491	DWORD sent;
2262	buf.buf = &buf;	2492	buf.buf = (char *)&buf;
2263	buf.len = 1;	2493	buf.len = 1;
2264	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2494	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2265	#else	2495	#else
2266	write (evpipe [1], &(evpipe [1]), 1);	2496	write (evpipe [1], &(evpipe [1]), 1);
2267	#endif	2497	#endif
…		…
2339	}	2569	}
2340		2570
2341	/*****************************************************************************/	2571	/*****************************************************************************/
2342		2572
2343	void	2573	void
2344	ev_feed_signal (int signum) EV_THROW	2574	ev_feed_signal (int signum) EV_NOEXCEPT
2345	{	2575	{
2346	#if EV_MULTIPLICITY	2576	#if EV_MULTIPLICITY
2347	EV_P;	2577	EV_P;
2348	ECB_MEMORY_FENCE_ACQUIRE;	2578	ECB_MEMORY_FENCE_ACQUIRE;
2349	EV_A = signals [signum - 1].loop;	2579	EV_A = signals [signum - 1].loop;
…		…
2364	#endif	2594	#endif
2365		2595
2366	ev_feed_signal (signum);	2596	ev_feed_signal (signum);
2367	}	2597	}
2368		2598
2369	void noinline	2599	noinline
		2600	void
2370	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2601	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2371	{	2602	{
2372	WL w;	2603	WL w;
2373		2604
2374	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2605	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2375	return;	2606	return;
…		…
2481	# include "ev_port.c"	2712	# include "ev_port.c"
2482	#endif	2713	#endif
2483	#if EV_USE_KQUEUE	2714	#if EV_USE_KQUEUE
2484	# include "ev_kqueue.c"	2715	# include "ev_kqueue.c"
2485	#endif	2716	#endif
		2717	#if EV_USE_LINUXAIO
		2718	# include "ev_linuxaio.c"
		2719	#endif
2486	#if EV_USE_EPOLL	2720	#if EV_USE_EPOLL
2487	# include "ev_epoll.c"	2721	# include "ev_epoll.c"
2488	#endif	2722	#endif
2489	#if EV_USE_POLL	2723	#if EV_USE_POLL
2490	# include "ev_poll.c"	2724	# include "ev_poll.c"
2491	#endif	2725	#endif
2492	#if EV_USE_SELECT	2726	#if EV_USE_SELECT
2493	# include "ev_select.c"	2727	# include "ev_select.c"
2494	#endif	2728	#endif
2495		2729
2496	int ecb_cold	2730	ecb_cold int
2497	ev_version_major (void) EV_THROW	2731	ev_version_major (void) EV_NOEXCEPT
2498	{	2732	{
2499	return EV_VERSION_MAJOR;	2733	return EV_VERSION_MAJOR;
2500	}	2734	}
2501		2735
2502	int ecb_cold	2736	ecb_cold int
2503	ev_version_minor (void) EV_THROW	2737	ev_version_minor (void) EV_NOEXCEPT
2504	{	2738	{
2505	return EV_VERSION_MINOR;	2739	return EV_VERSION_MINOR;
2506	}	2740	}
2507		2741
2508	/* return true if we are running with elevated privileges and should ignore env variables */	2742	/* return true if we are running with elevated privileges and should ignore env variables */
2509	int inline_size ecb_cold	2743	inline_size ecb_cold int
2510	enable_secure (void)	2744	enable_secure (void)
2511	{	2745	{
2512	#ifdef _WIN32	2746	#ifdef _WIN32
2513	return 0;	2747	return 0;
2514	#else	2748	#else
2515	return getuid () != geteuid ()	2749	return getuid () != geteuid ()
2516	|| getgid () != getegid ();	2750	|| getgid () != getegid ();
2517	#endif	2751	#endif
2518	}	2752	}
2519		2753
2520	unsigned int ecb_cold	2754	ecb_cold
		2755	unsigned int
2521	ev_supported_backends (void) EV_THROW	2756	ev_supported_backends (void) EV_NOEXCEPT
2522	{	2757	{
2523	unsigned int flags = 0;	2758	unsigned int flags = 0;
2524		2759
2525	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2760	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2526	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2761	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2527	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2762	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2763	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2528	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2764	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2529	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2765	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2530		2766
2531	return flags;	2767	return flags;
2532	}	2768	}
2533		2769
2534	unsigned int ecb_cold	2770	ecb_cold
		2771	unsigned int
2535	ev_recommended_backends (void) EV_THROW	2772	ev_recommended_backends (void) EV_NOEXCEPT
2536	{	2773	{
2537	unsigned int flags = ev_supported_backends ();	2774	unsigned int flags = ev_supported_backends ();
2538		2775
2539	#ifndef __NetBSD__	2776	#ifndef __NetBSD__
2540	/* kqueue is borked on everything but netbsd apparently */	2777	/* kqueue is borked on everything but netbsd apparently */
…		…
2551	#endif	2788	#endif
2552		2789
2553	return flags;	2790	return flags;
2554	}	2791	}
2555		2792
2556	unsigned int ecb_cold	2793	ecb_cold
		2794	unsigned int
2557	ev_embeddable_backends (void) EV_THROW	2795	ev_embeddable_backends (void) EV_NOEXCEPT
2558	{	2796	{
2559	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2797	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2560		2798
2561	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2799	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2562	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2800	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2564		2802
2565	return flags;	2803	return flags;
2566	}	2804	}
2567		2805
2568	unsigned int	2806	unsigned int
2569	ev_backend (EV_P) EV_THROW	2807	ev_backend (EV_P) EV_NOEXCEPT
2570	{	2808	{
2571	return backend;	2809	return backend;
2572	}	2810	}
2573		2811
2574	#if EV_FEATURE_API	2812	#if EV_FEATURE_API
2575	unsigned int	2813	unsigned int
2576	ev_iteration (EV_P) EV_THROW	2814	ev_iteration (EV_P) EV_NOEXCEPT
2577	{	2815	{
2578	return loop_count;	2816	return loop_count;
2579	}	2817	}
2580		2818
2581	unsigned int	2819	unsigned int
2582	ev_depth (EV_P) EV_THROW	2820	ev_depth (EV_P) EV_NOEXCEPT
2583	{	2821	{
2584	return loop_depth;	2822	return loop_depth;
2585	}	2823	}
2586		2824
2587	void	2825	void
2588	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2826	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2589	{	2827	{
2590	io_blocktime = interval;	2828	io_blocktime = interval;
2591	}	2829	}
2592		2830
2593	void	2831	void
2594	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2832	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2595	{	2833	{
2596	timeout_blocktime = interval;	2834	timeout_blocktime = interval;
2597	}	2835	}
2598		2836
2599	void	2837	void
2600	ev_set_userdata (EV_P_ void *data) EV_THROW	2838	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2601	{	2839	{
2602	userdata = data;	2840	userdata = data;
2603	}	2841	}
2604		2842
2605	void *	2843	void *
2606	ev_userdata (EV_P) EV_THROW	2844	ev_userdata (EV_P) EV_NOEXCEPT
2607	{	2845	{
2608	return userdata;	2846	return userdata;
2609	}	2847	}
2610		2848
2611	void	2849	void
2612	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2850	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2613	{	2851	{
2614	invoke_cb = invoke_pending_cb;	2852	invoke_cb = invoke_pending_cb;
2615	}	2853	}
2616		2854
2617	void	2855	void
2618	ev_set_loop_release_cb (EV_P_ ev_loop_callback release EV_THROW, ev_loop_callback acquire EV_THROW) EV_THROW	2856	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2619	{	2857	{
2620	release_cb = release;	2858	release_cb = release;
2621	acquire_cb = acquire;	2859	acquire_cb = acquire;
2622	}	2860	}
2623	#endif	2861	#endif
2624		2862
2625	/* initialise a loop structure, must be zero-initialised */	2863	/* initialise a loop structure, must be zero-initialised */
2626	static void noinline ecb_cold	2864	noinline ecb_cold
		2865	static void
2627	loop_init (EV_P_ unsigned int flags) EV_THROW	2866	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2628	{	2867	{
2629	if (!backend)	2868	if (!backend)
2630	{	2869	{
2631	origflags = flags;	2870	origflags = flags;
2632		2871
…		…
2690		2929
2691	if (!(flags & EVBACKEND_MASK))	2930	if (!(flags & EVBACKEND_MASK))
2692	flags |= ev_recommended_backends ();	2931	flags |= ev_recommended_backends ();
2693		2932
2694	#if EV_USE_IOCP	2933	#if EV_USE_IOCP
2695	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	2934	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2696	#endif	2935	#endif
2697	#if EV_USE_PORT	2936	#if EV_USE_PORT
2698	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	2937	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2699	#endif	2938	#endif
2700	#if EV_USE_KQUEUE	2939	#if EV_USE_KQUEUE
2701	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	2940	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		2941	#endif
		2942	#if EV_USE_LINUXAIO
		2943	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2702	#endif	2944	#endif
2703	#if EV_USE_EPOLL	2945	#if EV_USE_EPOLL
2704	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	2946	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2705	#endif	2947	#endif
2706	#if EV_USE_POLL	2948	#if EV_USE_POLL
2707	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	2949	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2708	#endif	2950	#endif
2709	#if EV_USE_SELECT	2951	#if EV_USE_SELECT
2710	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	2952	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2711	#endif	2953	#endif
2712		2954
2713	ev_prepare_init (&pending_w, pendingcb);	2955	ev_prepare_init (&pending_w, pendingcb);
2714		2956
2715	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2957	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2718	#endif	2960	#endif
2719	}	2961	}
2720	}	2962	}
2721		2963
2722	/* free up a loop structure */	2964	/* free up a loop structure */
2723	void ecb_cold	2965	ecb_cold
		2966	void
2724	ev_loop_destroy (EV_P)	2967	ev_loop_destroy (EV_P)
2725	{	2968	{
2726	int i;	2969	int i;
2727		2970
2728	#if EV_MULTIPLICITY	2971	#if EV_MULTIPLICITY
…		…
2769		3012
2770	if (backend_fd >= 0)	3013	if (backend_fd >= 0)
2771	close (backend_fd);	3014	close (backend_fd);
2772		3015
2773	#if EV_USE_IOCP	3016	#if EV_USE_IOCP
2774	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3017	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2775	#endif	3018	#endif
2776	#if EV_USE_PORT	3019	#if EV_USE_PORT
2777	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3020	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2778	#endif	3021	#endif
2779	#if EV_USE_KQUEUE	3022	#if EV_USE_KQUEUE
2780	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3023	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3024	#endif
		3025	#if EV_USE_LINUXAIO
		3026	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2781	#endif	3027	#endif
2782	#if EV_USE_EPOLL	3028	#if EV_USE_EPOLL
2783	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3029	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2784	#endif	3030	#endif
2785	#if EV_USE_POLL	3031	#if EV_USE_POLL
2786	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3032	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2787	#endif	3033	#endif
2788	#if EV_USE_SELECT	3034	#if EV_USE_SELECT
2789	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3035	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2790	#endif	3036	#endif
2791		3037
2792	for (i = NUMPRI; i--; )	3038	for (i = NUMPRI; i--; )
2793	{	3039	{
2794	array_free (pending, [i]);	3040	array_free (pending, [i]);
…		…
2836		3082
2837	inline_size void	3083	inline_size void
2838	loop_fork (EV_P)	3084	loop_fork (EV_P)
2839	{	3085	{
2840	#if EV_USE_PORT	3086	#if EV_USE_PORT
2841	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3087	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2842	#endif	3088	#endif
2843	#if EV_USE_KQUEUE	3089	#if EV_USE_KQUEUE
2844	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3090	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3091	#endif
		3092	#if EV_USE_LINUXAIO
		3093	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2845	#endif	3094	#endif
2846	#if EV_USE_EPOLL	3095	#if EV_USE_EPOLL
2847	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3096	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2848	#endif	3097	#endif
2849	#if EV_USE_INOTIFY	3098	#if EV_USE_INOTIFY
2850	infy_fork (EV_A);	3099	infy_fork (EV_A);
2851	#endif	3100	#endif
2852		3101
2853	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3102	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2854	if (ev_is_active (&pipe_w))	3103	if (ev_is_active (&pipe_w) && postfork != 2)
2855	{	3104	{
2856	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3105	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2857		3106
2858	ev_ref (EV_A);	3107	ev_ref (EV_A);
2859	ev_io_stop (EV_A_ &pipe_w);	3108	ev_io_stop (EV_A_ &pipe_w);
…		…
2870	postfork = 0;	3119	postfork = 0;
2871	}	3120	}
2872		3121
2873	#if EV_MULTIPLICITY	3122	#if EV_MULTIPLICITY
2874		3123
		3124	ecb_cold
2875	struct ev_loop * ecb_cold	3125	struct ev_loop *
2876	ev_loop_new (unsigned int flags) EV_THROW	3126	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2877	{	3127	{
2878	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3128	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2879		3129
2880	memset (EV_A, 0, sizeof (struct ev_loop));	3130	memset (EV_A, 0, sizeof (struct ev_loop));
2881	loop_init (EV_A_ flags);	3131	loop_init (EV_A_ flags);
…		…
2888	}	3138	}
2889		3139
2890	#endif /* multiplicity */	3140	#endif /* multiplicity */
2891		3141
2892	#if EV_VERIFY	3142	#if EV_VERIFY
2893	static void noinline ecb_cold	3143	noinline ecb_cold
		3144	static void
2894	verify_watcher (EV_P_ W w)	3145	verify_watcher (EV_P_ W w)
2895	{	3146	{
2896	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3147	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2897		3148
2898	if (w->pending)	3149	if (w->pending)
2899	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3150	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2900	}	3151	}
2901		3152
2902	static void noinline ecb_cold	3153	noinline ecb_cold
		3154	static void
2903	verify_heap (EV_P_ ANHE *heap, int N)	3155	verify_heap (EV_P_ ANHE *heap, int N)
2904	{	3156	{
2905	int i;	3157	int i;
2906		3158
2907	for (i = HEAP0; i < N + HEAP0; ++i)	3159	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2912		3164
2913	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3165	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2914	}	3166	}
2915	}	3167	}
2916		3168
2917	static void noinline ecb_cold	3169	noinline ecb_cold
		3170	static void
2918	array_verify (EV_P_ W *ws, int cnt)	3171	array_verify (EV_P_ W *ws, int cnt)
2919	{	3172	{
2920	while (cnt--)	3173	while (cnt--)
2921	{	3174	{
2922	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3175	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2925	}	3178	}
2926	#endif	3179	#endif
2927		3180
2928	#if EV_FEATURE_API	3181	#if EV_FEATURE_API
2929	void ecb_cold	3182	void ecb_cold
2930	ev_verify (EV_P) EV_THROW	3183	ev_verify (EV_P) EV_NOEXCEPT
2931	{	3184	{
2932	#if EV_VERIFY	3185	#if EV_VERIFY
2933	int i;	3186	int i;
2934	WL w, w2;	3187	WL w, w2;
2935		3188
…		…
3011	#endif	3264	#endif
3012	}	3265	}
3013	#endif	3266	#endif
3014		3267
3015	#if EV_MULTIPLICITY	3268	#if EV_MULTIPLICITY
		3269	ecb_cold
3016	struct ev_loop * ecb_cold	3270	struct ev_loop *
3017	#else	3271	#else
3018	int	3272	int
3019	#endif	3273	#endif
3020	ev_default_loop (unsigned int flags) EV_THROW	3274	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3021	{	3275	{
3022	if (!ev_default_loop_ptr)	3276	if (!ev_default_loop_ptr)
3023	{	3277	{
3024	#if EV_MULTIPLICITY	3278	#if EV_MULTIPLICITY
3025	EV_P = ev_default_loop_ptr = &default_loop_struct;	3279	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3044		3298
3045	return ev_default_loop_ptr;	3299	return ev_default_loop_ptr;
3046	}	3300	}
3047		3301
3048	void	3302	void
3049	ev_loop_fork (EV_P) EV_THROW	3303	ev_loop_fork (EV_P) EV_NOEXCEPT
3050	{	3304	{
3051	postfork = 1;	3305	postfork = 1;
3052	}	3306	}
3053		3307
3054	/*****************************************************************************/	3308	/*****************************************************************************/
…		…
3058	{	3312	{
3059	EV_CB_INVOKE ((W)w, revents);	3313	EV_CB_INVOKE ((W)w, revents);
3060	}	3314	}
3061		3315
3062	unsigned int	3316	unsigned int
3063	ev_pending_count (EV_P) EV_THROW	3317	ev_pending_count (EV_P) EV_NOEXCEPT
3064	{	3318	{
3065	int pri;	3319	int pri;
3066	unsigned int count = 0;	3320	unsigned int count = 0;
3067		3321
3068	for (pri = NUMPRI; pri--; )	3322	for (pri = NUMPRI; pri--; )
3069	count += pendingcnt [pri];	3323	count += pendingcnt [pri];
3070		3324
3071	return count;	3325	return count;
3072	}	3326	}
3073		3327
3074	void noinline	3328	noinline
		3329	void
3075	ev_invoke_pending (EV_P)	3330	ev_invoke_pending (EV_P)
3076	{	3331	{
3077	pendingpri = NUMPRI;	3332	pendingpri = NUMPRI;
3078		3333
3079	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3334	do
3080	{	3335	{
3081	--pendingpri;	3336	--pendingpri;
3082		3337
		3338	/* pendingpri possibly gets modified in the inner loop */
3083	while (pendingcnt [pendingpri])	3339	while (pendingcnt [pendingpri])
3084	{	3340	{
3085	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3341	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3086		3342
3087	p->w->pending = 0;	3343	p->w->pending = 0;
3088	EV_CB_INVOKE (p->w, p->events);	3344	EV_CB_INVOKE (p->w, p->events);
3089	EV_FREQUENT_CHECK;	3345	EV_FREQUENT_CHECK;
3090	}	3346	}
3091	}	3347	}
		3348	while (pendingpri);
3092	}	3349	}
3093		3350
3094	#if EV_IDLE_ENABLE	3351	#if EV_IDLE_ENABLE
3095	/* make idle watchers pending. this handles the "call-idle */	3352	/* make idle watchers pending. this handles the "call-idle */
3096	/* only when higher priorities are idle" logic */	3353	/* only when higher priorities are idle" logic */
…		…
3154	}	3411	}
3155	}	3412	}
3156		3413
3157	#if EV_PERIODIC_ENABLE	3414	#if EV_PERIODIC_ENABLE
3158		3415
3159	static void noinline	3416	noinline
		3417	static void
3160	periodic_recalc (EV_P_ ev_periodic *w)	3418	periodic_recalc (EV_P_ ev_periodic *w)
3161	{	3419	{
3162	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3420	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3163	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3421	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3164		3422
…		…
3222	}	3480	}
3223	}	3481	}
3224		3482
3225	/* simply recalculate all periodics */	3483	/* simply recalculate all periodics */
3226	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3484	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3227	static void noinline ecb_cold	3485	noinline ecb_cold
		3486	static void
3228	periodics_reschedule (EV_P)	3487	periodics_reschedule (EV_P)
3229	{	3488	{
3230	int i;	3489	int i;
3231		3490
3232	/* adjust periodics after time jump */	3491	/* adjust periodics after time jump */
…		…
3245	reheap (periodics, periodiccnt);	3504	reheap (periodics, periodiccnt);
3246	}	3505	}
3247	#endif	3506	#endif
3248		3507
3249	/* adjust all timers by a given offset */	3508	/* adjust all timers by a given offset */
3250	static void noinline ecb_cold	3509	noinline ecb_cold
		3510	static void
3251	timers_reschedule (EV_P_ ev_tstamp adjust)	3511	timers_reschedule (EV_P_ ev_tstamp adjust)
3252	{	3512	{
3253	int i;	3513	int i;
3254		3514
3255	for (i = 0; i < timercnt; ++i)	3515	for (i = 0; i < timercnt; ++i)
…		…
3502		3762
3503	return activecnt;	3763	return activecnt;
3504	}	3764	}
3505		3765
3506	void	3766	void
3507	ev_break (EV_P_ int how) EV_THROW	3767	ev_break (EV_P_ int how) EV_NOEXCEPT
3508	{	3768	{
3509	loop_done = how;	3769	loop_done = how;
3510	}	3770	}
3511		3771
3512	void	3772	void
3513	ev_ref (EV_P) EV_THROW	3773	ev_ref (EV_P) EV_NOEXCEPT
3514	{	3774	{
3515	++activecnt;	3775	++activecnt;
3516	}	3776	}
3517		3777
3518	void	3778	void
3519	ev_unref (EV_P) EV_THROW	3779	ev_unref (EV_P) EV_NOEXCEPT
3520	{	3780	{
3521	--activecnt;	3781	--activecnt;
3522	}	3782	}
3523		3783
3524	void	3784	void
3525	ev_now_update (EV_P) EV_THROW	3785	ev_now_update (EV_P) EV_NOEXCEPT
3526	{	3786	{
3527	time_update (EV_A_ 1e100);	3787	time_update (EV_A_ 1e100);
3528	}	3788	}
3529		3789
3530	void	3790	void
3531	ev_suspend (EV_P) EV_THROW	3791	ev_suspend (EV_P) EV_NOEXCEPT
3532	{	3792	{
3533	ev_now_update (EV_A);	3793	ev_now_update (EV_A);
3534	}	3794	}
3535		3795
3536	void	3796	void
3537	ev_resume (EV_P) EV_THROW	3797	ev_resume (EV_P) EV_NOEXCEPT
3538	{	3798	{
3539	ev_tstamp mn_prev = mn_now;	3799	ev_tstamp mn_prev = mn_now;
3540		3800
3541	ev_now_update (EV_A);	3801	ev_now_update (EV_A);
3542	timers_reschedule (EV_A_ mn_now - mn_prev);	3802	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3581	w->pending = 0;	3841	w->pending = 0;
3582	}	3842	}
3583	}	3843	}
3584		3844
3585	int	3845	int
3586	ev_clear_pending (EV_P_ void *w) EV_THROW	3846	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3587	{	3847	{
3588	W w_ = (W)w;	3848	W w_ = (W)w;
3589	int pending = w_->pending;	3849	int pending = w_->pending;
3590		3850
3591	if (expect_true (pending))	3851	if (expect_true (pending))
…		…
3623	w->active = 0;	3883	w->active = 0;
3624	}	3884	}
3625		3885
3626	/*****************************************************************************/	3886	/*****************************************************************************/
3627		3887
3628	void noinline	3888	noinline
		3889	void
3629	ev_io_start (EV_P_ ev_io *w) EV_THROW	3890	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3630	{	3891	{
3631	int fd = w->fd;	3892	int fd = w->fd;
3632		3893
3633	if (expect_false (ev_is_active (w)))	3894	if (expect_false (ev_is_active (w)))
3634	return;	3895	return;
…		…
3637	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	3898	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3638		3899
3639	EV_FREQUENT_CHECK;	3900	EV_FREQUENT_CHECK;
3640		3901
3641	ev_start (EV_A_ (W)w, 1);	3902	ev_start (EV_A_ (W)w, 1);
3642	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3903	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3643	wlist_add (&anfds[fd].head, (WL)w);	3904	wlist_add (&anfds[fd].head, (WL)w);
3644		3905
3645	/* common bug, apparently */	3906	/* common bug, apparently */
3646	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	3907	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3647		3908
…		…
3649	w->events &= ~EV__IOFDSET;	3910	w->events &= ~EV__IOFDSET;
3650		3911
3651	EV_FREQUENT_CHECK;	3912	EV_FREQUENT_CHECK;
3652	}	3913	}
3653		3914
3654	void noinline	3915	noinline
		3916	void
3655	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3917	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3656	{	3918	{
3657	clear_pending (EV_A_ (W)w);	3919	clear_pending (EV_A_ (W)w);
3658	if (expect_false (!ev_is_active (w)))	3920	if (expect_false (!ev_is_active (w)))
3659	return;	3921	return;
3660		3922
…		…
3668	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3930	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3669		3931
3670	EV_FREQUENT_CHECK;	3932	EV_FREQUENT_CHECK;
3671	}	3933	}
3672		3934
3673	void noinline	3935	noinline
		3936	void
3674	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3937	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3675	{	3938	{
3676	if (expect_false (ev_is_active (w)))	3939	if (expect_false (ev_is_active (w)))
3677	return;	3940	return;
3678		3941
3679	ev_at (w) += mn_now;	3942	ev_at (w) += mn_now;
…		…
3682		3945
3683	EV_FREQUENT_CHECK;	3946	EV_FREQUENT_CHECK;
3684		3947
3685	++timercnt;	3948	++timercnt;
3686	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	3949	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3687	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	3950	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3688	ANHE_w (timers [ev_active (w)]) = (WT)w;	3951	ANHE_w (timers [ev_active (w)]) = (WT)w;
3689	ANHE_at_cache (timers [ev_active (w)]);	3952	ANHE_at_cache (timers [ev_active (w)]);
3690	upheap (timers, ev_active (w));	3953	upheap (timers, ev_active (w));
3691		3954
3692	EV_FREQUENT_CHECK;	3955	EV_FREQUENT_CHECK;
3693		3956
3694	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3957	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3695	}	3958	}
3696		3959
3697	void noinline	3960	noinline
		3961	void
3698	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3962	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3699	{	3963	{
3700	clear_pending (EV_A_ (W)w);	3964	clear_pending (EV_A_ (W)w);
3701	if (expect_false (!ev_is_active (w)))	3965	if (expect_false (!ev_is_active (w)))
3702	return;	3966	return;
3703		3967
…		…
3722	ev_stop (EV_A_ (W)w);	3986	ev_stop (EV_A_ (W)w);
3723		3987
3724	EV_FREQUENT_CHECK;	3988	EV_FREQUENT_CHECK;
3725	}	3989	}
3726		3990
3727	void noinline	3991	noinline
		3992	void
3728	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	3993	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3729	{	3994	{
3730	EV_FREQUENT_CHECK;	3995	EV_FREQUENT_CHECK;
3731		3996
3732	clear_pending (EV_A_ (W)w);	3997	clear_pending (EV_A_ (W)w);
3733		3998
…		…
3750		4015
3751	EV_FREQUENT_CHECK;	4016	EV_FREQUENT_CHECK;
3752	}	4017	}
3753		4018
3754	ev_tstamp	4019	ev_tstamp
3755	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4020	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3756	{	4021	{
3757	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4022	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3758	}	4023	}
3759		4024
3760	#if EV_PERIODIC_ENABLE	4025	#if EV_PERIODIC_ENABLE
3761	void noinline	4026	noinline
		4027	void
3762	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4028	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3763	{	4029	{
3764	if (expect_false (ev_is_active (w)))	4030	if (expect_false (ev_is_active (w)))
3765	return;	4031	return;
3766		4032
3767	if (w->reschedule_cb)	4033	if (w->reschedule_cb)
…		…
3776		4042
3777	EV_FREQUENT_CHECK;	4043	EV_FREQUENT_CHECK;
3778		4044
3779	++periodiccnt;	4045	++periodiccnt;
3780	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4046	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3781	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4047	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3782	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4048	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3783	ANHE_at_cache (periodics [ev_active (w)]);	4049	ANHE_at_cache (periodics [ev_active (w)]);
3784	upheap (periodics, ev_active (w));	4050	upheap (periodics, ev_active (w));
3785		4051
3786	EV_FREQUENT_CHECK;	4052	EV_FREQUENT_CHECK;
3787		4053
3788	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4054	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3789	}	4055	}
3790		4056
3791	void noinline	4057	noinline
		4058	void
3792	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4059	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3793	{	4060	{
3794	clear_pending (EV_A_ (W)w);	4061	clear_pending (EV_A_ (W)w);
3795	if (expect_false (!ev_is_active (w)))	4062	if (expect_false (!ev_is_active (w)))
3796	return;	4063	return;
3797		4064
…		…
3814	ev_stop (EV_A_ (W)w);	4081	ev_stop (EV_A_ (W)w);
3815		4082
3816	EV_FREQUENT_CHECK;	4083	EV_FREQUENT_CHECK;
3817	}	4084	}
3818		4085
3819	void noinline	4086	noinline
		4087	void
3820	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4088	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3821	{	4089	{
3822	/* TODO: use adjustheap and recalculation */	4090	/* TODO: use adjustheap and recalculation */
3823	ev_periodic_stop (EV_A_ w);	4091	ev_periodic_stop (EV_A_ w);
3824	ev_periodic_start (EV_A_ w);	4092	ev_periodic_start (EV_A_ w);
3825	}	4093	}
…		…
3829	# define SA_RESTART 0	4097	# define SA_RESTART 0
3830	#endif	4098	#endif
3831		4099
3832	#if EV_SIGNAL_ENABLE	4100	#if EV_SIGNAL_ENABLE
3833		4101
3834	void noinline	4102	noinline
		4103	void
3835	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4104	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3836	{	4105	{
3837	if (expect_false (ev_is_active (w)))	4106	if (expect_false (ev_is_active (w)))
3838	return;	4107	return;
3839		4108
3840	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4109	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3911	}	4180	}
3912		4181
3913	EV_FREQUENT_CHECK;	4182	EV_FREQUENT_CHECK;
3914	}	4183	}
3915		4184
3916	void noinline	4185	noinline
		4186	void
3917	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4187	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3918	{	4188	{
3919	clear_pending (EV_A_ (W)w);	4189	clear_pending (EV_A_ (W)w);
3920	if (expect_false (!ev_is_active (w)))	4190	if (expect_false (!ev_is_active (w)))
3921	return;	4191	return;
3922		4192
…		…
3953	#endif	4223	#endif
3954		4224
3955	#if EV_CHILD_ENABLE	4225	#if EV_CHILD_ENABLE
3956		4226
3957	void	4227	void
3958	ev_child_start (EV_P_ ev_child *w) EV_THROW	4228	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3959	{	4229	{
3960	#if EV_MULTIPLICITY	4230	#if EV_MULTIPLICITY
3961	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4231	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3962	#endif	4232	#endif
3963	if (expect_false (ev_is_active (w)))	4233	if (expect_false (ev_is_active (w)))
…		…
3970		4240
3971	EV_FREQUENT_CHECK;	4241	EV_FREQUENT_CHECK;
3972	}	4242	}
3973		4243
3974	void	4244	void
3975	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4245	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3976	{	4246	{
3977	clear_pending (EV_A_ (W)w);	4247	clear_pending (EV_A_ (W)w);
3978	if (expect_false (!ev_is_active (w)))	4248	if (expect_false (!ev_is_active (w)))
3979	return;	4249	return;
3980		4250
…		…
3997		4267
3998	#define DEF_STAT_INTERVAL 5.0074891	4268	#define DEF_STAT_INTERVAL 5.0074891
3999	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4269	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4000	#define MIN_STAT_INTERVAL 0.1074891	4270	#define MIN_STAT_INTERVAL 0.1074891
4001		4271
4002	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4272	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4003		4273
4004	#if EV_USE_INOTIFY	4274	#if EV_USE_INOTIFY
4005		4275
4006	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4276	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
4007	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4277	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4008		4278
4009	static void noinline	4279	noinline
		4280	static void
4010	infy_add (EV_P_ ev_stat *w)	4281	infy_add (EV_P_ ev_stat *w)
4011	{	4282	{
4012	w->wd = inotify_add_watch (fs_fd, w->path,	4283	w->wd = inotify_add_watch (fs_fd, w->path,
4013	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4284	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4014	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4285	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4078	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4349	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4079	ev_timer_again (EV_A_ &w->timer);	4350	ev_timer_again (EV_A_ &w->timer);
4080	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4351	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4081	}	4352	}
4082		4353
4083	static void noinline	4354	noinline
		4355	static void
4084	infy_del (EV_P_ ev_stat *w)	4356	infy_del (EV_P_ ev_stat *w)
4085	{	4357	{
4086	int slot;	4358	int slot;
4087	int wd = w->wd;	4359	int wd = w->wd;
4088		4360
…		…
4095		4367
4096	/* remove this watcher, if others are watching it, they will rearm */	4368	/* remove this watcher, if others are watching it, they will rearm */
4097	inotify_rm_watch (fs_fd, wd);	4369	inotify_rm_watch (fs_fd, wd);
4098	}	4370	}
4099		4371
4100	static void noinline	4372	noinline
		4373	static void
4101	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4374	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4102	{	4375	{
4103	if (slot < 0)	4376	if (slot < 0)
4104	/* overflow, need to check for all hash slots */	4377	/* overflow, need to check for all hash slots */
4105	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4378	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4141	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4414	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4142	ofs += sizeof (struct inotify_event) + ev->len;	4415	ofs += sizeof (struct inotify_event) + ev->len;
4143	}	4416	}
4144	}	4417	}
4145		4418
4146	inline_size void ecb_cold	4419	inline_size ecb_cold
		4420	void
4147	ev_check_2625 (EV_P)	4421	ev_check_2625 (EV_P)
4148	{	4422	{
4149	/* kernels < 2.6.25 are borked	4423	/* kernels < 2.6.25 are borked
4150	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4424	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4151	*/	4425	*/
…		…
4241	#else	4515	#else
4242	# define EV_LSTAT(p,b) lstat (p, b)	4516	# define EV_LSTAT(p,b) lstat (p, b)
4243	#endif	4517	#endif
4244		4518
4245	void	4519	void
4246	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4520	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4247	{	4521	{
4248	if (lstat (w->path, &w->attr) < 0)	4522	if (lstat (w->path, &w->attr) < 0)
4249	w->attr.st_nlink = 0;	4523	w->attr.st_nlink = 0;
4250	else if (!w->attr.st_nlink)	4524	else if (!w->attr.st_nlink)
4251	w->attr.st_nlink = 1;	4525	w->attr.st_nlink = 1;
4252	}	4526	}
4253		4527
4254	static void noinline	4528	noinline
		4529	static void
4255	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4530	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4256	{	4531	{
4257	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4532	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4258		4533
4259	ev_statdata prev = w->attr;	4534	ev_statdata prev = w->attr;
…		…
4290	ev_feed_event (EV_A_ w, EV_STAT);	4565	ev_feed_event (EV_A_ w, EV_STAT);
4291	}	4566	}
4292	}	4567	}
4293		4568
4294	void	4569	void
4295	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4570	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4296	{	4571	{
4297	if (expect_false (ev_is_active (w)))	4572	if (expect_false (ev_is_active (w)))
4298	return;	4573	return;
4299		4574
4300	ev_stat_stat (EV_A_ w);	4575	ev_stat_stat (EV_A_ w);
…		…
4321		4596
4322	EV_FREQUENT_CHECK;	4597	EV_FREQUENT_CHECK;
4323	}	4598	}
4324		4599
4325	void	4600	void
4326	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4601	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4327	{	4602	{
4328	clear_pending (EV_A_ (W)w);	4603	clear_pending (EV_A_ (W)w);
4329	if (expect_false (!ev_is_active (w)))	4604	if (expect_false (!ev_is_active (w)))
4330	return;	4605	return;
4331		4606
…		…
4347	}	4622	}
4348	#endif	4623	#endif
4349		4624
4350	#if EV_IDLE_ENABLE	4625	#if EV_IDLE_ENABLE
4351	void	4626	void
4352	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4627	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4353	{	4628	{
4354	if (expect_false (ev_is_active (w)))	4629	if (expect_false (ev_is_active (w)))
4355	return;	4630	return;
4356		4631
4357	pri_adjust (EV_A_ (W)w);	4632	pri_adjust (EV_A_ (W)w);
…		…
4362	int active = ++idlecnt [ABSPRI (w)];	4637	int active = ++idlecnt [ABSPRI (w)];
4363		4638
4364	++idleall;	4639	++idleall;
4365	ev_start (EV_A_ (W)w, active);	4640	ev_start (EV_A_ (W)w, active);
4366		4641
4367	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4642	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4368	idles [ABSPRI (w)][active - 1] = w;	4643	idles [ABSPRI (w)][active - 1] = w;
4369	}	4644	}
4370		4645
4371	EV_FREQUENT_CHECK;	4646	EV_FREQUENT_CHECK;
4372	}	4647	}
4373		4648
4374	void	4649	void
4375	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4650	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4376	{	4651	{
4377	clear_pending (EV_A_ (W)w);	4652	clear_pending (EV_A_ (W)w);
4378	if (expect_false (!ev_is_active (w)))	4653	if (expect_false (!ev_is_active (w)))
4379	return;	4654	return;
4380		4655
…		…
4394	}	4669	}
4395	#endif	4670	#endif
4396		4671
4397	#if EV_PREPARE_ENABLE	4672	#if EV_PREPARE_ENABLE
4398	void	4673	void
4399	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4674	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4400	{	4675	{
4401	if (expect_false (ev_is_active (w)))	4676	if (expect_false (ev_is_active (w)))
4402	return;	4677	return;
4403		4678
4404	EV_FREQUENT_CHECK;	4679	EV_FREQUENT_CHECK;
4405		4680
4406	ev_start (EV_A_ (W)w, ++preparecnt);	4681	ev_start (EV_A_ (W)w, ++preparecnt);
4407	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4682	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4408	prepares [preparecnt - 1] = w;	4683	prepares [preparecnt - 1] = w;
4409		4684
4410	EV_FREQUENT_CHECK;	4685	EV_FREQUENT_CHECK;
4411	}	4686	}
4412		4687
4413	void	4688	void
4414	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4689	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4415	{	4690	{
4416	clear_pending (EV_A_ (W)w);	4691	clear_pending (EV_A_ (W)w);
4417	if (expect_false (!ev_is_active (w)))	4692	if (expect_false (!ev_is_active (w)))
4418	return;	4693	return;
4419		4694
…		…
4432	}	4707	}
4433	#endif	4708	#endif
4434		4709
4435	#if EV_CHECK_ENABLE	4710	#if EV_CHECK_ENABLE
4436	void	4711	void
4437	ev_check_start (EV_P_ ev_check *w) EV_THROW	4712	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4438	{	4713	{
4439	if (expect_false (ev_is_active (w)))	4714	if (expect_false (ev_is_active (w)))
4440	return;	4715	return;
4441		4716
4442	EV_FREQUENT_CHECK;	4717	EV_FREQUENT_CHECK;
4443		4718
4444	ev_start (EV_A_ (W)w, ++checkcnt);	4719	ev_start (EV_A_ (W)w, ++checkcnt);
4445	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4720	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4446	checks [checkcnt - 1] = w;	4721	checks [checkcnt - 1] = w;
4447		4722
4448	EV_FREQUENT_CHECK;	4723	EV_FREQUENT_CHECK;
4449	}	4724	}
4450		4725
4451	void	4726	void
4452	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4727	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4453	{	4728	{
4454	clear_pending (EV_A_ (W)w);	4729	clear_pending (EV_A_ (W)w);
4455	if (expect_false (!ev_is_active (w)))	4730	if (expect_false (!ev_is_active (w)))
4456	return;	4731	return;
4457		4732
…		…
4469	EV_FREQUENT_CHECK;	4744	EV_FREQUENT_CHECK;
4470	}	4745	}
4471	#endif	4746	#endif
4472		4747
4473	#if EV_EMBED_ENABLE	4748	#if EV_EMBED_ENABLE
4474	void noinline	4749	noinline
		4750	void
4475	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4751	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4476	{	4752	{
4477	ev_run (w->other, EVRUN_NOWAIT);	4753	ev_run (w->other, EVRUN_NOWAIT);
4478	}	4754	}
4479		4755
4480	static void	4756	static void
…		…
4528	ev_idle_stop (EV_A_ idle);	4804	ev_idle_stop (EV_A_ idle);
4529	}	4805	}
4530	#endif	4806	#endif
4531		4807
4532	void	4808	void
4533	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4809	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4534	{	4810	{
4535	if (expect_false (ev_is_active (w)))	4811	if (expect_false (ev_is_active (w)))
4536	return;	4812	return;
4537		4813
4538	{	4814	{
…		…
4559		4835
4560	EV_FREQUENT_CHECK;	4836	EV_FREQUENT_CHECK;
4561	}	4837	}
4562		4838
4563	void	4839	void
4564	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4840	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4565	{	4841	{
4566	clear_pending (EV_A_ (W)w);	4842	clear_pending (EV_A_ (W)w);
4567	if (expect_false (!ev_is_active (w)))	4843	if (expect_false (!ev_is_active (w)))
4568	return;	4844	return;
4569		4845
…		…
4579	}	4855	}
4580	#endif	4856	#endif
4581		4857
4582	#if EV_FORK_ENABLE	4858	#if EV_FORK_ENABLE
4583	void	4859	void
4584	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4860	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4585	{	4861	{
4586	if (expect_false (ev_is_active (w)))	4862	if (expect_false (ev_is_active (w)))
4587	return;	4863	return;
4588		4864
4589	EV_FREQUENT_CHECK;	4865	EV_FREQUENT_CHECK;
4590		4866
4591	ev_start (EV_A_ (W)w, ++forkcnt);	4867	ev_start (EV_A_ (W)w, ++forkcnt);
4592	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4868	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4593	forks [forkcnt - 1] = w;	4869	forks [forkcnt - 1] = w;
4594		4870
4595	EV_FREQUENT_CHECK;	4871	EV_FREQUENT_CHECK;
4596	}	4872	}
4597		4873
4598	void	4874	void
4599	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4875	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4600	{	4876	{
4601	clear_pending (EV_A_ (W)w);	4877	clear_pending (EV_A_ (W)w);
4602	if (expect_false (!ev_is_active (w)))	4878	if (expect_false (!ev_is_active (w)))
4603	return;	4879	return;
4604		4880
…		…
4617	}	4893	}
4618	#endif	4894	#endif
4619		4895
4620	#if EV_CLEANUP_ENABLE	4896	#if EV_CLEANUP_ENABLE
4621	void	4897	void
4622	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4898	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4623	{	4899	{
4624	if (expect_false (ev_is_active (w)))	4900	if (expect_false (ev_is_active (w)))
4625	return;	4901	return;
4626		4902
4627	EV_FREQUENT_CHECK;	4903	EV_FREQUENT_CHECK;
4628		4904
4629	ev_start (EV_A_ (W)w, ++cleanupcnt);	4905	ev_start (EV_A_ (W)w, ++cleanupcnt);
4630	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	4906	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4631	cleanups [cleanupcnt - 1] = w;	4907	cleanups [cleanupcnt - 1] = w;
4632		4908
4633	/* cleanup watchers should never keep a refcount on the loop */	4909	/* cleanup watchers should never keep a refcount on the loop */
4634	ev_unref (EV_A);	4910	ev_unref (EV_A);
4635	EV_FREQUENT_CHECK;	4911	EV_FREQUENT_CHECK;
4636	}	4912	}
4637		4913
4638	void	4914	void
4639	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4915	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4640	{	4916	{
4641	clear_pending (EV_A_ (W)w);	4917	clear_pending (EV_A_ (W)w);
4642	if (expect_false (!ev_is_active (w)))	4918	if (expect_false (!ev_is_active (w)))
4643	return;	4919	return;
4644		4920
…		…
4658	}	4934	}
4659	#endif	4935	#endif
4660		4936
4661	#if EV_ASYNC_ENABLE	4937	#if EV_ASYNC_ENABLE
4662	void	4938	void
4663	ev_async_start (EV_P_ ev_async *w) EV_THROW	4939	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4664	{	4940	{
4665	if (expect_false (ev_is_active (w)))	4941	if (expect_false (ev_is_active (w)))
4666	return;	4942	return;
4667		4943
4668	w->sent = 0;	4944	w->sent = 0;
…		…
4670	evpipe_init (EV_A);	4946	evpipe_init (EV_A);
4671		4947
4672	EV_FREQUENT_CHECK;	4948	EV_FREQUENT_CHECK;
4673		4949
4674	ev_start (EV_A_ (W)w, ++asynccnt);	4950	ev_start (EV_A_ (W)w, ++asynccnt);
4675	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	4951	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4676	asyncs [asynccnt - 1] = w;	4952	asyncs [asynccnt - 1] = w;
4677		4953
4678	EV_FREQUENT_CHECK;	4954	EV_FREQUENT_CHECK;
4679	}	4955	}
4680		4956
4681	void	4957	void
4682	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4958	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4683	{	4959	{
4684	clear_pending (EV_A_ (W)w);	4960	clear_pending (EV_A_ (W)w);
4685	if (expect_false (!ev_is_active (w)))	4961	if (expect_false (!ev_is_active (w)))
4686	return;	4962	return;
4687		4963
…		…
4698		4974
4699	EV_FREQUENT_CHECK;	4975	EV_FREQUENT_CHECK;
4700	}	4976	}
4701		4977
4702	void	4978	void
4703	ev_async_send (EV_P_ ev_async *w) EV_THROW	4979	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4704	{	4980	{
4705	w->sent = 1;	4981	w->sent = 1;
4706	evpipe_write (EV_A_ &async_pending);	4982	evpipe_write (EV_A_ &async_pending);
4707	}	4983	}
4708	#endif	4984	#endif
…		…
4745		5021
4746	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5022	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4747	}	5023	}
4748		5024
4749	void	5025	void
4750	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5026	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4751	{	5027	{
4752	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5028	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4753
4754	if (expect_false (!once))
4755	{
4756	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4757	return;
4758	}
4759		5029
4760	once->cb = cb;	5030	once->cb = cb;
4761	once->arg = arg;	5031	once->arg = arg;
4762		5032
4763	ev_init (&once->io, once_cb_io);	5033	ev_init (&once->io, once_cb_io);
…		…
4776	}	5046	}
4777		5047
4778	/*****************************************************************************/	5048	/*****************************************************************************/
4779		5049
4780	#if EV_WALK_ENABLE	5050	#if EV_WALK_ENABLE
4781	void ecb_cold	5051	ecb_cold
		5052	void
4782	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5053	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4783	{	5054	{
4784	int i, j;	5055	int i, j;
4785	ev_watcher_list *wl, *wn;	5056	ev_watcher_list *wl, *wn;
4786		5057
4787	if (types & (EV_IO | EV_EMBED))	5058	if (types & (EV_IO | EV_EMBED))

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