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Comparing libev/ev.c (file contents):
Revision 1.472 by root, Tue Sep 9 13:24:13 2014 UTC vs.
Revision 1.494 by root, Sun Jun 23 23:28:45 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	*
…		…
115	# else	115	# else
116	# undef EV_USE_EPOLL	116	# undef EV_USE_EPOLL
117	# define EV_USE_EPOLL 0	117	# define EV_USE_EPOLL 0
118	# endif	118	# endif
119		119
		120	# if HAVE_LINUX_AIO_ABI_H
		121	# ifndef EV_USE_LINUXAIO
		122	# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS
		123	# endif
		124	# else
		125	# undef EV_USE_LINUXAIO
		126	# define EV_USE_LINUXAIO 0
		127	# endif
		128
120	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	129	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121	# ifndef EV_USE_KQUEUE	130	# ifndef EV_USE_KQUEUE
122	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS	131	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
123	# endif	132	# endif
124	# else	133	# else
…		…
162	# define EV_USE_EVENTFD 0	171	# define EV_USE_EVENTFD 0
163	# endif	172	# endif
164		173
165	#endif	174	#endif
166		175
		176	/* OS X, in its infinite idiocy, actually HARDCODES
		177	* a limit of 1024 into their select. Where people have brains,
		178	* OS X engineers apparently have a vacuum. Or maybe they were
		179	* ordered to have a vacuum, or they do anything for money.
		180	* This might help. Or not.
		181	* Note that this must be defined early, as other include files
		182	* will rely on this define as well.
		183	*/
		184	#define _DARWIN_UNLIMITED_SELECT 1
		185
167	#include <stdlib.h>	186	#include <stdlib.h>
168	#include <string.h>	187	#include <string.h>
169	#include <fcntl.h>	188	#include <fcntl.h>
170	#include <stddef.h>	189	#include <stddef.h>
171		190
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	227	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	228	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	229	# endif
211	# undef EV_AVOID_STDIO	230	# undef EV_AVOID_STDIO
212	#endif	231	#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		232
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	233	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		234
224	/* try to deduce the maximum number of signals on this platform */	235	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	236	#if defined EV_NSIG
…		…
313		324
314	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
315	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
316	#endif	327	#endif
317		328
		329	#ifndef EV_USE_LINUXAIO
		330	# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
		331	# define EV_USE_LINUXAIO 1
		332	# else
		333	# define EV_USE_LINUXAIO 0
		334	# endif
		335	#endif
		336
318	#ifndef EV_USE_INOTIFY	337	#ifndef EV_USE_INOTIFY
319	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	338	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
320	# define EV_USE_INOTIFY EV_FEATURE_OS	339	# define EV_USE_INOTIFY EV_FEATURE_OS
321	# else	340	# else
322	# define EV_USE_INOTIFY 0	341	# define EV_USE_INOTIFY 0
…		…
363		382
364	#ifndef EV_HEAP_CACHE_AT	383	#ifndef EV_HEAP_CACHE_AT
365	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	384	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
366	#endif	385	#endif
367		386
368	#ifdef ANDROID	387	#ifdef __ANDROID__
369	/* supposedly, android doesn't typedef fd_mask */	388	/* supposedly, android doesn't typedef fd_mask */
370	# undef EV_USE_SELECT	389	# undef EV_USE_SELECT
371	# define EV_USE_SELECT 0	390	# define EV_USE_SELECT 0
372	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	391	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
373	# undef EV_USE_CLOCK_SYSCALL	392	# undef EV_USE_CLOCK_SYSCALL
…		…
414		433
415	#if !EV_USE_NANOSLEEP	434	#if !EV_USE_NANOSLEEP
416	/* hp-ux has it in sys/time.h, which we unconditionally include above */	435	/* hp-ux has it in sys/time.h, which we unconditionally include above */
417	# if !defined _WIN32 && !defined __hpux	436	# if !defined _WIN32 && !defined __hpux
418	# include <sys/select.h>	437	# include <sys/select.h>
		438	# endif
		439	#endif
		440
		441	#if EV_USE_LINUXAIO
		442	# include <sys/syscall.h>
		443	# if !SYS_io_getevents || !EV_USE_EPOLL
		444	# undef EV_USE_LINUXAIO
		445	# define EV_USE_LINUXAIO 0
419	# endif	446	# endif
420	#endif	447	#endif
421		448
422	#if EV_USE_INOTIFY	449	#if EV_USE_INOTIFY
423	# include <sys/statfs.h>	450	# include <sys/statfs.h>
…		…
491	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	518	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
492	/* ECB.H BEGIN */	519	/* ECB.H BEGIN */
493	/*	520	/*
494	* libecb - http://software.schmorp.de/pkg/libecb	521	* libecb - http://software.schmorp.de/pkg/libecb
495	*	522	*
496	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>	523	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
497	* Copyright (©) 2011 Emanuele Giaquinta	524	* Copyright (©) 2011 Emanuele Giaquinta
498	* All rights reserved.	525	* All rights reserved.
499	*	526	*
500	* Redistribution and use in source and binary forms, with or without modifica-	527	* Redistribution and use in source and binary forms, with or without modifica-
501	* tion, are permitted provided that the following conditions are met:	528	* tion, are permitted provided that the following conditions are met:
…		…
532		559
533	#ifndef ECB_H	560	#ifndef ECB_H
534	#define ECB_H	561	#define ECB_H
535		562
536	/* 16 bits major, 16 bits minor */	563	/* 16 bits major, 16 bits minor */
537	#define ECB_VERSION 0x00010003	564	#define ECB_VERSION 0x00010005
538		565
539	#ifdef _WIN32	566	#ifdef _WIN32
540	typedef signed char int8_t;	567	typedef signed char int8_t;
541	typedef unsigned char uint8_t;	568	typedef unsigned char uint8_t;
542	typedef signed short int16_t;	569	typedef signed short int16_t;
…		…
559	typedef uint32_t uintptr_t;	586	typedef uint32_t uintptr_t;
560	typedef int32_t intptr_t;	587	typedef int32_t intptr_t;
561	#endif	588	#endif
562	#else	589	#else
563	#include <inttypes.h>	590	#include <inttypes.h>
564	#if UINTMAX_MAX > 0xffffffffU	591	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
565	#define ECB_PTRSIZE 8	592	#define ECB_PTRSIZE 8
566	#else	593	#else
567	#define ECB_PTRSIZE 4	594	#define ECB_PTRSIZE 4
568	#endif	595	#endif
569	#endif	596	#endif
570		597
		598	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		599	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		600
571	/* work around x32 idiocy by defining proper macros */	601	/* work around x32 idiocy by defining proper macros */
572	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	602	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
573	#if _ILP32	603	#if _ILP32
574	#define ECB_AMD64_X32 1	604	#define ECB_AMD64_X32 1
575	#else	605	#else
576	#define ECB_AMD64 1	606	#define ECB_AMD64 1
577	#endif	607	#endif
…		…
582	* causing enormous grief in return for some better fake benchmark numbers.	612	* causing enormous grief in return for some better fake benchmark numbers.
583	* or so.	613	* or so.
584	* we try to detect these and simply assume they are not gcc - if they have	614	* 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.	615	* an issue with that they should have done it right in the first place.
586	*/	616	*/
587	#ifndef ECB_GCC_VERSION
588	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	617	#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	618	#define ECB_GCC_VERSION(major,minor) 0
590	#else	619	#else
591	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	620	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
592	#endif	621	#endif
		622
		623	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		624
		625	#if __clang__ && defined __has_builtin
		626	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		627	#else
		628	#define ECB_CLANG_BUILTIN(x) 0
		629	#endif
		630
		631	#if __clang__ && defined __has_extension
		632	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		633	#else
		634	#define ECB_CLANG_EXTENSION(x) 0
593	#endif	635	#endif
594		636
595	#define ECB_CPP (__cplusplus+0)	637	#define ECB_CPP (__cplusplus+0)
596	#define ECB_CPP11 (__cplusplus >= 201103L)	638	#define ECB_CPP11 (__cplusplus >= 201103L)
		639	#define ECB_CPP14 (__cplusplus >= 201402L)
		640	#define ECB_CPP17 (__cplusplus >= 201703L)
597		641
598	#if ECB_CPP	642	#if ECB_CPP
599	#define ECB_C 0	643	#define ECB_C 0
600	#define ECB_STDC_VERSION 0	644	#define ECB_STDC_VERSION 0
601	#else	645	#else
…		…
603	#define ECB_STDC_VERSION __STDC_VERSION__	647	#define ECB_STDC_VERSION __STDC_VERSION__
604	#endif	648	#endif
605		649
606	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)	650	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
607	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)	651	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		652	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
608		653
609	#if ECB_CPP	654	#if ECB_CPP
610	#define ECB_EXTERN_C extern "C"	655	#define ECB_EXTERN_C extern "C"
611	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	656	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
612	#define ECB_EXTERN_C_END }	657	#define ECB_EXTERN_C_END }
…		…
625	#define ECB_NO_SMP 1	670	#define ECB_NO_SMP 1
626	#endif	671	#endif
627		672
628	#if ECB_NO_SMP	673	#if ECB_NO_SMP
629	#define ECB_MEMORY_FENCE do { } while (0)	674	#define ECB_MEMORY_FENCE do { } while (0)
		675	#endif
		676
		677	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		678	#if __xlC__ && ECB_CPP
		679	#include <builtins.h>
		680	#endif
		681
		682	#if 1400 <= _MSC_VER
		683	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
630	#endif	684	#endif
631		685
632	#ifndef ECB_MEMORY_FENCE	686	#ifndef ECB_MEMORY_FENCE
633	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	687	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
634	#if __i386 || __i386__	688	#if __i386 || __i386__
635	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	689	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
636	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	690	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
637	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	691	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
638	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	692	#elif ECB_GCC_AMD64
639	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	693	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
640	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	694	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
641	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	695	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
642	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	696	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
643	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	697	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		698	#elif defined __ARM_ARCH_2__ \
		699	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		700	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		701	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		702	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		703	|| defined __ARM_ARCH_5TEJ__
		704	/* 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__ \	705	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
645	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	706	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		707	|| defined __ARM_ARCH_6T2__
646	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	708	#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__ \	709	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
648	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	710	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
649	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	711	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
650	#elif __aarch64__	712	#elif __aarch64__
651	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	713	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
652	#elif (__sparc || __sparc__) && !__sparcv8	714	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
653	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	715	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
654	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	716	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
655	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	717	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
656	#elif defined __s390__ || defined __s390x__	718	#elif defined __s390__ || defined __s390x__
657	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	719	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
681	/* see comment below (stdatomic.h) about the C11 memory model. */	743	/* see comment below (stdatomic.h) about the C11 memory model. */
682	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	744	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
683	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	745	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
684	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)	746	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
685		747
686	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	748	#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.	749	/* see comment below (stdatomic.h) about the C11 memory model. */
692	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	750	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
693	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	751	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
694	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	752	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
695	*/
696		753
697	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	754	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
698	#define ECB_MEMORY_FENCE __sync_synchronize ()	755	#define ECB_MEMORY_FENCE __sync_synchronize ()
699	#elif _MSC_VER >= 1500 /* VC++ 2008 */	756	#elif _MSC_VER >= 1500 /* VC++ 2008 */
700	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	757	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
763	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	820	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
764	#endif	821	#endif
765		822
766	/*****************************************************************************/	823	/*****************************************************************************/
767		824
768	#if __cplusplus	825	#if ECB_CPP
769	#define ecb_inline static inline	826	#define ecb_inline static inline
770	#elif ECB_GCC_VERSION(2,5)	827	#elif ECB_GCC_VERSION(2,5)
771	#define ecb_inline static __inline__	828	#define ecb_inline static __inline__
772	#elif ECB_C99	829	#elif ECB_C99
773	#define ecb_inline static inline	830	#define ecb_inline static inline
…		…
787		844
788	#define ECB_CONCAT_(a, b) a ## b	845	#define ECB_CONCAT_(a, b) a ## b
789	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	846	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
790	#define ECB_STRINGIFY_(a) # a	847	#define ECB_STRINGIFY_(a) # a
791	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	848	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		849	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
792		850
793	#define ecb_function_ ecb_inline	851	#define ecb_function_ ecb_inline
794		852
795	#if ECB_GCC_VERSION(3,1)	853	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
796	#define ecb_attribute(attrlist) __attribute__(attrlist)	854	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		855	#else
		856	#define ecb_attribute(attrlist)
		857	#endif
		858
		859	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
797	#define ecb_is_constant(expr) __builtin_constant_p (expr)	860	#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	861	#else
801	#define ecb_attribute(attrlist)
802
803	/* possible C11 impl for integral types	862	/* possible C11 impl for integral types
804	typedef struct ecb_is_constant_struct ecb_is_constant_struct;	863	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)) */	864	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
806		865
807	#define ecb_is_constant(expr) 0	866	#define ecb_is_constant(expr) 0
		867	#endif
		868
		869	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
		870	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		871	#else
808	#define ecb_expect(expr,value) (expr)	872	#define ecb_expect(expr,value) (expr)
		873	#endif
		874
		875	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
		876	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		877	#else
809	#define ecb_prefetch(addr,rw,locality)	878	#define ecb_prefetch(addr,rw,locality)
810	#endif	879	#endif
811		880
812	/* no emulation for ecb_decltype */	881	/* no emulation for ecb_decltype */
813	#if ECB_GCC_VERSION(4,5)	882	#if ECB_CPP11
		883	// older implementations might have problems with decltype(x)::type, work around it
		884	template<class T> struct ecb_decltype_t { typedef T type; };
814	#define ecb_decltype(x) __decltype(x)	885	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
815	#elif ECB_GCC_VERSION(3,0)	886	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
816	#define ecb_decltype(x) __typeof(x)	887	#define ecb_decltype(x) __typeof__ (x)
817	#endif	888	#endif
818		889
819	#if _MSC_VER >= 1300	890	#if _MSC_VER >= 1300
820	#define ecb_deprecated __declspec(deprecated)	891	#define ecb_deprecated __declspec (deprecated)
821	#else	892	#else
822	#define ecb_deprecated ecb_attribute ((__deprecated__))	893	#define ecb_deprecated ecb_attribute ((__deprecated__))
823	#endif	894	#endif
824		895
		896	#if _MSC_VER >= 1500
		897	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		898	#elif ECB_GCC_VERSION(4,5)
		899	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		900	#else
		901	#define ecb_deprecated_message(msg) ecb_deprecated
		902	#endif
		903
		904	#if _MSC_VER >= 1400
		905	#define ecb_noinline __declspec (noinline)
		906	#else
825	#define ecb_noinline ecb_attribute ((__noinline__))	907	#define ecb_noinline ecb_attribute ((__noinline__))
		908	#endif
		909
826	#define ecb_unused ecb_attribute ((__unused__))	910	#define ecb_unused ecb_attribute ((__unused__))
827	#define ecb_const ecb_attribute ((__const__))	911	#define ecb_const ecb_attribute ((__const__))
828	#define ecb_pure ecb_attribute ((__pure__))	912	#define ecb_pure ecb_attribute ((__pure__))
829		913
830	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */	914	#if ECB_C11 || __IBMC_NORETURN
831	#if ECB_C11	915	/* 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	916	#define ecb_noreturn _Noreturn
		917	#elif ECB_CPP11
		918	#define ecb_noreturn [[noreturn]]
		919	#elif _MSC_VER >= 1200
		920	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		921	#define ecb_noreturn __declspec (noreturn)
833	#else	922	#else
834	#define ecb_noreturn ecb_attribute ((__noreturn__))	923	#define ecb_noreturn ecb_attribute ((__noreturn__))
835	#endif	924	#endif
836		925
837	#if ECB_GCC_VERSION(4,3)	926	#if ECB_GCC_VERSION(4,3)
…		…
852	/* for compatibility to the rest of the world */	941	/* for compatibility to the rest of the world */
853	#define ecb_likely(expr) ecb_expect_true (expr)	942	#define ecb_likely(expr) ecb_expect_true (expr)
854	#define ecb_unlikely(expr) ecb_expect_false (expr)	943	#define ecb_unlikely(expr) ecb_expect_false (expr)
855		944
856	/* count trailing zero bits and count # of one bits */	945	/* count trailing zero bits and count # of one bits */
857	#if ECB_GCC_VERSION(3,4)	946	#if ECB_GCC_VERSION(3,4) \
		947	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		948	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		949	&& ECB_CLANG_BUILTIN(__builtin_popcount))
858	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	950	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
859	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	951	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
860	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	952	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
861	#define ecb_ctz32(x) __builtin_ctz (x)	953	#define ecb_ctz32(x) __builtin_ctz (x)
862	#define ecb_ctz64(x) __builtin_ctzll (x)	954	#define ecb_ctz64(x) __builtin_ctzll (x)
863	#define ecb_popcount32(x) __builtin_popcount (x)	955	#define ecb_popcount32(x) __builtin_popcount (x)
864	/* no popcountll */	956	/* no popcountll */
865	#else	957	#else
866	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	958	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
867	ecb_function_ int	959	ecb_function_ ecb_const int
868	ecb_ctz32 (uint32_t x)	960	ecb_ctz32 (uint32_t x)
869	{	961	{
		962	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		963	unsigned long r;
		964	_BitScanForward (&r, x);
		965	return (int)r;
		966	#else
870	int r = 0;	967	int r = 0;
871		968
872	x &= ~x + 1; /* this isolates the lowest bit */	969	x &= ~x + 1; /* this isolates the lowest bit */
873		970
874	#if ECB_branchless_on_i386	971	#if ECB_branchless_on_i386
…		…
884	if (x & 0xff00ff00) r += 8;	981	if (x & 0xff00ff00) r += 8;
885	if (x & 0xffff0000) r += 16;	982	if (x & 0xffff0000) r += 16;
886	#endif	983	#endif
887		984
888	return r;	985	return r;
		986	#endif
889	}	987	}
890		988
891	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	989	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
892	ecb_function_ int	990	ecb_function_ ecb_const int
893	ecb_ctz64 (uint64_t x)	991	ecb_ctz64 (uint64_t x)
894	{	992	{
		993	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		994	unsigned long r;
		995	_BitScanForward64 (&r, x);
		996	return (int)r;
		997	#else
895	int shift = x & 0xffffffffU ? 0 : 32;	998	int shift = x & 0xffffffff ? 0 : 32;
896	return ecb_ctz32 (x >> shift) + shift;	999	return ecb_ctz32 (x >> shift) + shift;
		1000	#endif
897	}	1001	}
898		1002
899	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1003	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
900	ecb_function_ int	1004	ecb_function_ ecb_const int
901	ecb_popcount32 (uint32_t x)	1005	ecb_popcount32 (uint32_t x)
902	{	1006	{
903	x -= (x >> 1) & 0x55555555;	1007	x -= (x >> 1) & 0x55555555;
904	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1008	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
905	x = ((x >> 4) + x) & 0x0f0f0f0f;	1009	x = ((x >> 4) + x) & 0x0f0f0f0f;
906	x *= 0x01010101;	1010	x *= 0x01010101;
907		1011
908	return x >> 24;	1012	return x >> 24;
909	}	1013	}
910		1014
911	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1015	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
912	ecb_function_ int ecb_ld32 (uint32_t x)	1016	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
913	{	1017	{
		1018	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1019	unsigned long r;
		1020	_BitScanReverse (&r, x);
		1021	return (int)r;
		1022	#else
914	int r = 0;	1023	int r = 0;
915		1024
916	if (x >> 16) { x >>= 16; r += 16; }	1025	if (x >> 16) { x >>= 16; r += 16; }
917	if (x >> 8) { x >>= 8; r += 8; }	1026	if (x >> 8) { x >>= 8; r += 8; }
918	if (x >> 4) { x >>= 4; r += 4; }	1027	if (x >> 4) { x >>= 4; r += 4; }
919	if (x >> 2) { x >>= 2; r += 2; }	1028	if (x >> 2) { x >>= 2; r += 2; }
920	if (x >> 1) { r += 1; }	1029	if (x >> 1) { r += 1; }
921		1030
922	return r;	1031	return r;
		1032	#endif
923	}	1033	}
924		1034
925	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1035	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
926	ecb_function_ int ecb_ld64 (uint64_t x)	1036	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
927	{	1037	{
		1038	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1039	unsigned long r;
		1040	_BitScanReverse64 (&r, x);
		1041	return (int)r;
		1042	#else
928	int r = 0;	1043	int r = 0;
929		1044
930	if (x >> 32) { x >>= 32; r += 32; }	1045	if (x >> 32) { x >>= 32; r += 32; }
931		1046
932	return r + ecb_ld32 (x);	1047	return r + ecb_ld32 (x);
		1048	#endif
933	}	1049	}
934	#endif	1050	#endif
935		1051
936	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1052	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)); }	1053	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;	1054	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)); }	1055	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
940		1056
941	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1057	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
942	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1058	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
943	{	1059	{
944	return ( (x * 0x0802U & 0x22110U)	1060	return ( (x * 0x0802U & 0x22110U)
945	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1061	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
946	}	1062	}
947		1063
948	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1064	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
949	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1065	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
950	{	1066	{
951	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1067	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
952	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1068	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
953	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1069	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
954	x = ( x >> 8 ) | ( x << 8);	1070	x = ( x >> 8 ) | ( x << 8);
955		1071
956	return x;	1072	return x;
957	}	1073	}
958		1074
959	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1075	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
960	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1076	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
961	{	1077	{
962	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1078	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
963	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1079	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
964	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1080	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
965	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1081	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
968	return x;	1084	return x;
969	}	1085	}
970		1086
971	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1087	/* popcount64 is only available on 64 bit cpus as gcc builtin */
972	/* so for this version we are lazy */	1088	/* so for this version we are lazy */
973	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1089	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
974	ecb_function_ int	1090	ecb_function_ ecb_const int
975	ecb_popcount64 (uint64_t x)	1091	ecb_popcount64 (uint64_t x)
976	{	1092	{
977	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1093	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
978	}	1094	}
979		1095
980	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1096	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;	1097	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;	1098	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;	1099	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;	1100	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;	1101	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;	1102	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;	1103	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
988		1104
989	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1105	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); }	1106	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); }	1107	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); }	1108	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); }	1109	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); }	1110	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); }	1111	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); }	1112	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
997		1113
998	#if ECB_GCC_VERSION(4,3)	1114	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1115	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1116	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1117	#else
999	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1118	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1119	#endif
1000	#define ecb_bswap32(x) __builtin_bswap32 (x)	1120	#define ecb_bswap32(x) __builtin_bswap32 (x)
1001	#define ecb_bswap64(x) __builtin_bswap64 (x)	1121	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1122	#elif _MSC_VER
		1123	#include <stdlib.h>
		1124	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1125	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1126	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
1002	#else	1127	#else
1003	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1128	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
1004	ecb_function_ uint16_t	1129	ecb_function_ ecb_const uint16_t
1005	ecb_bswap16 (uint16_t x)	1130	ecb_bswap16 (uint16_t x)
1006	{	1131	{
1007	return ecb_rotl16 (x, 8);	1132	return ecb_rotl16 (x, 8);
1008	}	1133	}
1009		1134
1010	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1135	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
1011	ecb_function_ uint32_t	1136	ecb_function_ ecb_const uint32_t
1012	ecb_bswap32 (uint32_t x)	1137	ecb_bswap32 (uint32_t x)
1013	{	1138	{
1014	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1139	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
1015	}	1140	}
1016		1141
1017	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1142	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1018	ecb_function_ uint64_t	1143	ecb_function_ ecb_const uint64_t
1019	ecb_bswap64 (uint64_t x)	1144	ecb_bswap64 (uint64_t x)
1020	{	1145	{
1021	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1146	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1022	}	1147	}
1023	#endif	1148	#endif
1024		1149
1025	#if ECB_GCC_VERSION(4,5)	1150	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1026	#define ecb_unreachable() __builtin_unreachable ()	1151	#define ecb_unreachable() __builtin_unreachable ()
1027	#else	1152	#else
1028	/* this seems to work fine, but gcc always emits a warning for it :/ */	1153	/* this seems to work fine, but gcc always emits a warning for it :/ */
1029	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1154	ecb_inline ecb_noreturn void ecb_unreachable (void);
1030	ecb_inline void ecb_unreachable (void) { }	1155	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1031	#endif	1156	#endif
1032		1157
1033	/* try to tell the compiler that some condition is definitely true */	1158	/* try to tell the compiler that some condition is definitely true */
1034	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1159	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1035		1160
1036	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1161	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1037	ecb_inline unsigned char	1162	ecb_inline ecb_const uint32_t
1038	ecb_byteorder_helper (void)	1163	ecb_byteorder_helper (void)
1039	{	1164	{
1040	/* the union code still generates code under pressure in gcc, */	1165	/* the union code still generates code under pressure in gcc, */
1041	/* but less than using pointers, and always seems to */	1166	/* but less than using pointers, and always seems to */
1042	/* successfully return a constant. */	1167	/* successfully return a constant. */
1043	/* the reason why we have this horrible preprocessor mess */	1168	/* the reason why we have this horrible preprocessor mess */
1044	/* is to avoid it in all cases, at least on common architectures */	1169	/* is to avoid it in all cases, at least on common architectures */
1045	/* or when using a recent enough gcc version (>= 4.6) */	1170	/* 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__	1171	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1172	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1173	#define ECB_LITTLE_ENDIAN 1
1049	return 0x44;	1174	return 0x44332211;
1050	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1175	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1176	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1177	#define ECB_BIG_ENDIAN 1
1051	return 0x11;	1178	return 0x11223344;
1052	#else	1179	#else
1053	union	1180	union
1054	{	1181	{
		1182	uint8_t c[4];
1055	uint32_t i;	1183	uint32_t u;
1056	uint8_t c;
1057	} u = { 0x11223344 };	1184	} u = { 0x11, 0x22, 0x33, 0x44 };
1058	return u.c;	1185	return u.u;
1059	#endif	1186	#endif
1060	}	1187	}
1061		1188
1062	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1189	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1063	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1190	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;	1191	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1065	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1192	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1066		1193
1067	#if ECB_GCC_VERSION(3,0) || ECB_C99	1194	#if ECB_GCC_VERSION(3,0) || ECB_C99
1068	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1195	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1069	#else	1196	#else
1070	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1197	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1071	#endif	1198	#endif
1072		1199
1073	#if __cplusplus	1200	#if ECB_CPP
1074	template<typename T>	1201	template<typename T>
1075	static inline T ecb_div_rd (T val, T div)	1202	static inline T ecb_div_rd (T val, T div)
1076	{	1203	{
1077	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1204	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1078	}	1205	}
…		…
1095	}	1222	}
1096	#else	1223	#else
1097	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1224	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1098	#endif	1225	#endif
1099		1226
		1227	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1228	ecb_function_ ecb_const uint32_t
		1229	ecb_binary16_to_binary32 (uint32_t x)
		1230	{
		1231	unsigned int s = (x & 0x8000) << (31 - 15);
		1232	int e = (x >> 10) & 0x001f;
		1233	unsigned int m = x & 0x03ff;
		1234
		1235	if (ecb_expect_false (e == 31))
		1236	/* infinity or NaN */
		1237	e = 255 - (127 - 15);
		1238	else if (ecb_expect_false (!e))
		1239	{
		1240	if (ecb_expect_true (!m))
		1241	/* zero, handled by code below by forcing e to 0 */
		1242	e = 0 - (127 - 15);
		1243	else
		1244	{
		1245	/* subnormal, renormalise */
		1246	unsigned int s = 10 - ecb_ld32 (m);
		1247
		1248	m = (m << s) & 0x3ff; /* mask implicit bit */
		1249	e -= s - 1;
		1250	}
		1251	}
		1252
		1253	/* e and m now are normalised, or zero, (or inf or nan) */
		1254	e += 127 - 15;
		1255
		1256	return s | (e << 23) | (m << (23 - 10));
		1257	}
		1258
		1259	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1260	ecb_function_ ecb_const uint16_t
		1261	ecb_binary32_to_binary16 (uint32_t x)
		1262	{
		1263	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1264	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1265	unsigned int m = x & 0x007fffff;
		1266
		1267	x &= 0x7fffffff;
		1268
		1269	/* if it's within range of binary16 normals, use fast path */
		1270	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1271	{
		1272	/* mantissa round-to-even */
		1273	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1274
		1275	/* handle overflow */
		1276	if (ecb_expect_false (m >= 0x00800000))
		1277	{
		1278	m >>= 1;
		1279	e += 1;
		1280	}
		1281
		1282	return s | (e << 10) | (m >> (23 - 10));
		1283	}
		1284
		1285	/* handle large numbers and infinity */
		1286	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1287	return s | 0x7c00;
		1288
		1289	/* handle zero, subnormals and small numbers */
		1290	if (ecb_expect_true (x < 0x38800000))
		1291	{
		1292	/* zero */
		1293	if (ecb_expect_true (!x))
		1294	return s;
		1295
		1296	/* handle subnormals */
		1297
		1298	/* too small, will be zero */
		1299	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1300	return s;
		1301
		1302	m |= 0x00800000; /* make implicit bit explicit */
		1303
		1304	/* very tricky - we need to round to the nearest e (+10) bit value */
		1305	{
		1306	unsigned int bits = 14 - e;
		1307	unsigned int half = (1 << (bits - 1)) - 1;
		1308	unsigned int even = (m >> bits) & 1;
		1309
		1310	/* if this overflows, we will end up with a normalised number */
		1311	m = (m + half + even) >> bits;
		1312	}
		1313
		1314	return s | m;
		1315	}
		1316
		1317	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1318	m >>= 13;
		1319
		1320	return s | 0x7c00 | m | !m;
		1321	}
		1322
1100	/*******************************************************************************/	1323	/*******************************************************************************/
1101	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1324	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1102		1325
1103	/* basically, everything uses "ieee pure-endian" floating point numbers */	1326	/* basically, everything uses "ieee pure-endian" floating point numbers */
1104	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1327	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1105	#if 0 \	1328	#if 0 \
1106	|| __i386 || __i386__ \	1329	|| __i386 || __i386__ \
1107	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1330	|| ECB_GCC_AMD64 \
1108	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1331	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1109	|| defined __s390__ || defined __s390x__ \	1332	|| defined __s390__ || defined __s390x__ \
1110	|| defined __mips__ \	1333	|| defined __mips__ \
1111	|| defined __alpha__ \	1334	|| defined __alpha__ \
1112	|| defined __hppa__ \	1335	|| defined __hppa__ \
1113	|| defined __ia64__ \	1336	|| defined __ia64__ \
1114	|| defined __m68k__ \	1337	|| defined __m68k__ \
1115	|| defined __m88k__ \	1338	|| defined __m88k__ \
1116	|| defined __sh__ \	1339	|| defined __sh__ \
1117	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1340	|| 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__)) \	1341	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1119	|| defined __aarch64__	1342	|| defined __aarch64__
1120	#define ECB_STDFP 1	1343	#define ECB_STDFP 1
1121	#include <string.h> /* for memcpy */	1344	#include <string.h> /* for memcpy */
1122	#else	1345	#else
…		…
1138	#define ECB_NAN NAN	1361	#define ECB_NAN NAN
1139	#else	1362	#else
1140	#define ECB_NAN ECB_INFINITY	1363	#define ECB_NAN ECB_INFINITY
1141	#endif	1364	#endif
1142		1365
1143	/* converts an ieee half/binary16 to a float */	1366	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1144	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1367	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1145	ecb_function_ float	1368	#define ecb_frexpf(x,e) frexpf ((x), (e))
1146	ecb_binary16_to_float (uint16_t x)	1369	#else
1147	{	1370	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1148	int e = (x >> 10) & 0x1f;	1371	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1149	int m = x & 0x3ff;	1372	#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		1373
1160	/* convert a float to ieee single/binary32 */	1374	/* convert a float to ieee single/binary32 */
1161	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1375	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1162	ecb_function_ uint32_t	1376	ecb_function_ ecb_const uint32_t
1163	ecb_float_to_binary32 (float x)	1377	ecb_float_to_binary32 (float x)
1164	{	1378	{
1165	uint32_t r;	1379	uint32_t r;
1166		1380
1167	#if ECB_STDFP	1381	#if ECB_STDFP
…		…
1174	if (x == 0e0f ) return 0x00000000U;	1388	if (x == 0e0f ) return 0x00000000U;
1175	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1389	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1176	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1390	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1177	if (x != x ) return 0x7fbfffffU;	1391	if (x != x ) return 0x7fbfffffU;
1178		1392
1179	m = frexpf (x, &e) * 0x1000000U;	1393	m = ecb_frexpf (x, &e) * 0x1000000U;
1180		1394
1181	r = m & 0x80000000U;	1395	r = m & 0x80000000U;
1182		1396
1183	if (r)	1397	if (r)
1184	m = -m;	1398	m = -m;
…		…
1196		1410
1197	return r;	1411	return r;
1198	}	1412	}
1199		1413
1200	/* converts an ieee single/binary32 to a float */	1414	/* converts an ieee single/binary32 to a float */
1201	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1415	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1202	ecb_function_ float	1416	ecb_function_ ecb_const float
1203	ecb_binary32_to_float (uint32_t x)	1417	ecb_binary32_to_float (uint32_t x)
1204	{	1418	{
1205	float r;	1419	float r;
1206		1420
1207	#if ECB_STDFP	1421	#if ECB_STDFP
…		…
1217	x |= 0x800000U;	1431	x |= 0x800000U;
1218	else	1432	else
1219	e = 1;	1433	e = 1;
1220		1434
1221	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1435	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1222	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1436	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1223		1437
1224	r = neg ? -r : r;	1438	r = neg ? -r : r;
1225	#endif	1439	#endif
1226		1440
1227	return r;	1441	return r;
1228	}	1442	}
1229		1443
1230	/* convert a double to ieee double/binary64 */	1444	/* convert a double to ieee double/binary64 */
1231	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1445	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1232	ecb_function_ uint64_t	1446	ecb_function_ ecb_const uint64_t
1233	ecb_double_to_binary64 (double x)	1447	ecb_double_to_binary64 (double x)
1234	{	1448	{
1235	uint64_t r;	1449	uint64_t r;
1236		1450
1237	#if ECB_STDFP	1451	#if ECB_STDFP
…		…
1266		1480
1267	return r;	1481	return r;
1268	}	1482	}
1269		1483
1270	/* converts an ieee double/binary64 to a double */	1484	/* converts an ieee double/binary64 to a double */
1271	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1485	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1272	ecb_function_ double	1486	ecb_function_ ecb_const double
1273	ecb_binary64_to_double (uint64_t x)	1487	ecb_binary64_to_double (uint64_t x)
1274	{	1488	{
1275	double r;	1489	double r;
1276		1490
1277	#if ECB_STDFP	1491	#if ECB_STDFP
…		…
1293		1507
1294	r = neg ? -r : r;	1508	r = neg ? -r : r;
1295	#endif	1509	#endif
1296		1510
1297	return r;	1511	return r;
		1512	}
		1513
		1514	/* convert a float to ieee half/binary16 */
		1515	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1516	ecb_function_ ecb_const uint16_t
		1517	ecb_float_to_binary16 (float x)
		1518	{
		1519	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1520	}
		1521
		1522	/* convert an ieee half/binary16 to float */
		1523	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1524	ecb_function_ ecb_const float
		1525	ecb_binary16_to_float (uint16_t x)
		1526	{
		1527	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1298	}	1528	}
1299		1529
1300	#endif	1530	#endif
1301		1531
1302	#endif	1532	#endif
…		…
1327	#define inline_size ecb_inline	1557	#define inline_size ecb_inline
1328		1558
1329	#if EV_FEATURE_CODE	1559	#if EV_FEATURE_CODE
1330	# define inline_speed ecb_inline	1560	# define inline_speed ecb_inline
1331	#else	1561	#else
1332	# define inline_speed static noinline	1562	# define inline_speed noinline static
1333	#endif	1563	#endif
1334		1564
1335	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1565	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1336		1566
1337	#if EV_MINPRI == EV_MAXPRI	1567	#if EV_MINPRI == EV_MAXPRI
1338	# define ABSPRI(w) (((W)w), 0)	1568	# define ABSPRI(w) (((W)w), 0)
1339	#else	1569	#else
1340	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1570	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1341	#endif	1571	#endif
1342		1572
1343	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1573	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1344	#define EMPTY2(a,b) /* used to suppress some warnings */
1345		1574
1346	typedef ev_watcher *W;	1575	typedef ev_watcher *W;
1347	typedef ev_watcher_list *WL;	1576	typedef ev_watcher_list *WL;
1348	typedef ev_watcher_time *WT;	1577	typedef ev_watcher_time *WT;
1349		1578
…		…
1374	# include "ev_win32.c"	1603	# include "ev_win32.c"
1375	#endif	1604	#endif
1376		1605
1377	/*****************************************************************************/	1606	/*****************************************************************************/
1378		1607
		1608	#if EV_USE_LINUXAIO
		1609	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1610	#endif
		1611
1379	/* define a suitable floor function (only used by periodics atm) */	1612	/* define a suitable floor function (only used by periodics atm) */
1380		1613
1381	#if EV_USE_FLOOR	1614	#if EV_USE_FLOOR
1382	# include <math.h>	1615	# include <math.h>
1383	# define ev_floor(v) floor (v)	1616	# define ev_floor(v) floor (v)
1384	#else	1617	#else
1385		1618
1386	#include <float.h>	1619	#include <float.h>
1387		1620
1388	/* a floor() replacement function, should be independent of ev_tstamp type */	1621	/* a floor() replacement function, should be independent of ev_tstamp type */
		1622	noinline
1389	static ev_tstamp noinline	1623	static ev_tstamp
1390	ev_floor (ev_tstamp v)	1624	ev_floor (ev_tstamp v)
1391	{	1625	{
1392	/* the choice of shift factor is not terribly important */	1626	/* the choice of shift factor is not terribly important */
1393	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1627	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1394	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1628	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1426		1660
1427	#ifdef __linux	1661	#ifdef __linux
1428	# include <sys/utsname.h>	1662	# include <sys/utsname.h>
1429	#endif	1663	#endif
1430		1664
1431	static unsigned int noinline ecb_cold	1665	noinline ecb_cold
		1666	static unsigned int
1432	ev_linux_version (void)	1667	ev_linux_version (void)
1433	{	1668	{
1434	#ifdef __linux	1669	#ifdef __linux
1435	unsigned int v = 0;	1670	unsigned int v = 0;
1436	struct utsname buf;	1671	struct utsname buf;
…		…
1465	}	1700	}
1466		1701
1467	/*****************************************************************************/	1702	/*****************************************************************************/
1468		1703
1469	#if EV_AVOID_STDIO	1704	#if EV_AVOID_STDIO
1470	static void noinline ecb_cold	1705	noinline ecb_cold
		1706	static void
1471	ev_printerr (const char *msg)	1707	ev_printerr (const char *msg)
1472	{	1708	{
1473	write (STDERR_FILENO, msg, strlen (msg));	1709	write (STDERR_FILENO, msg, strlen (msg));
1474	}	1710	}
1475	#endif	1711	#endif
1476		1712
1477	static void (*syserr_cb)(const char *msg) EV_THROW;	1713	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1478		1714
1479	void ecb_cold	1715	ecb_cold
		1716	void
1480	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1717	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1481	{	1718	{
1482	syserr_cb = cb;	1719	syserr_cb = cb;
1483	}	1720	}
1484		1721
1485	static void noinline ecb_cold	1722	noinline ecb_cold
		1723	static void
1486	ev_syserr (const char *msg)	1724	ev_syserr (const char *msg)
1487	{	1725	{
1488	if (!msg)	1726	if (!msg)
1489	msg = "(libev) system error";	1727	msg = "(libev) system error";
1490		1728
…		…
1503	abort ();	1741	abort ();
1504	}	1742	}
1505	}	1743	}
1506		1744
1507	static void *	1745	static void *
1508	ev_realloc_emul (void *ptr, long size) EV_THROW	1746	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1509	{	1747	{
1510	/* some systems, notably openbsd and darwin, fail to properly	1748	/* some systems, notably openbsd and darwin, fail to properly
1511	* implement realloc (x, 0) (as required by both ansi c-89 and	1749	* implement realloc (x, 0) (as required by both ansi c-89 and
1512	* the single unix specification, so work around them here.	1750	* the single unix specification, so work around them here.
1513	* recently, also (at least) fedora and debian started breaking it,	1751	* recently, also (at least) fedora and debian started breaking it,
…		…
1519		1757
1520	free (ptr);	1758	free (ptr);
1521	return 0;	1759	return 0;
1522	}	1760	}
1523		1761
1524	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1762	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1525		1763
1526	void ecb_cold	1764	ecb_cold
		1765	void
1527	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1766	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1528	{	1767	{
1529	alloc = cb;	1768	alloc = cb;
1530	}	1769	}
1531		1770
1532	inline_speed void *	1771	inline_speed void *
…		…
1559	typedef struct	1798	typedef struct
1560	{	1799	{
1561	WL head;	1800	WL head;
1562	unsigned char events; /* the events watched for */	1801	unsigned char events; /* the events watched for */
1563	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1802	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 */	1803	unsigned char emask; /* some backends store the actual kernel mask in here */
1565	unsigned char unused;	1804	unsigned char unused;
1566	#if EV_USE_EPOLL	1805	#if EV_USE_EPOLL
1567	unsigned int egen; /* generation counter to counter epoll bugs */	1806	unsigned int egen; /* generation counter to counter epoll bugs */
1568	#endif	1807	#endif
1569	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1808	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1649		1888
1650	/*****************************************************************************/	1889	/*****************************************************************************/
1651		1890
1652	#ifndef EV_HAVE_EV_TIME	1891	#ifndef EV_HAVE_EV_TIME
1653	ev_tstamp	1892	ev_tstamp
1654	ev_time (void) EV_THROW	1893	ev_time (void) EV_NOEXCEPT
1655	{	1894	{
1656	#if EV_USE_REALTIME	1895	#if EV_USE_REALTIME
1657	if (expect_true (have_realtime))	1896	if (expect_true (have_realtime))
1658	{	1897	{
1659	struct timespec ts;	1898	struct timespec ts;
…		…
1683	return ev_time ();	1922	return ev_time ();
1684	}	1923	}
1685		1924
1686	#if EV_MULTIPLICITY	1925	#if EV_MULTIPLICITY
1687	ev_tstamp	1926	ev_tstamp
1688	ev_now (EV_P) EV_THROW	1927	ev_now (EV_P) EV_NOEXCEPT
1689	{	1928	{
1690	return ev_rt_now;	1929	return ev_rt_now;
1691	}	1930	}
1692	#endif	1931	#endif
1693		1932
1694	void	1933	void
1695	ev_sleep (ev_tstamp delay) EV_THROW	1934	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1696	{	1935	{
1697	if (delay > 0.)	1936	if (delay > 0.)
1698	{	1937	{
1699	#if EV_USE_NANOSLEEP	1938	#if EV_USE_NANOSLEEP
1700	struct timespec ts;	1939	struct timespec ts;
1701		1940
1702	EV_TS_SET (ts, delay);	1941	EV_TS_SET (ts, delay);
1703	nanosleep (&ts, 0);	1942	nanosleep (&ts, 0);
1704	#elif defined _WIN32	1943	#elif defined _WIN32
		1944	/* maybe this should round up, as ms is very low resolution */
		1945	/* compared to select (µs) or nanosleep (ns) */
1705	Sleep ((unsigned long)(delay * 1e3));	1946	Sleep ((unsigned long)(delay * 1e3));
1706	#else	1947	#else
1707	struct timeval tv;	1948	struct timeval tv;
1708		1949
1709	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1950	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1740	}	1981	}
1741		1982
1742	return ncur;	1983	return ncur;
1743	}	1984	}
1744		1985
1745	static void * noinline ecb_cold	1986	noinline ecb_cold
		1987	static void *
1746	array_realloc (int elem, void *base, int *cur, int cnt)	1988	array_realloc (int elem, void *base, int *cur, int cnt)
1747	{	1989	{
1748	*cur = array_nextsize (elem, *cur, cnt);	1990	*cur = array_nextsize (elem, *cur, cnt);
1749	return ev_realloc (base, elem * *cur);	1991	return ev_realloc (base, elem * *cur);
1750	}	1992	}
1751		1993
		1994	#define array_needsize_noinit(base,count)
		1995
1752	#define array_init_zero(base,count) \	1996	#define array_needsize_zerofill(base,count) \
1753	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1997	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1754		1998
1755	#define array_needsize(type,base,cur,cnt,init) \	1999	#define array_needsize(type,base,cur,cnt,init) \
1756	if (expect_false ((cnt) > (cur))) \	2000	if (expect_false ((cnt) > (cur))) \
1757	{ \	2001	{ \
1758	int ecb_unused ocur_ = (cur); \	2002	ecb_unused int ocur_ = (cur); \
1759	(base) = (type *)array_realloc \	2003	(base) = (type *)array_realloc \
1760	(sizeof (type), (base), &(cur), (cnt)); \	2004	(sizeof (type), (base), &(cur), (cnt)); \
1761	init ((base) + (ocur_), (cur) - ocur_); \	2005	init ((base) + (ocur_), (cur) - ocur_); \
1762	}	2006	}
1763		2007
…		…
1775	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2019	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1776		2020
1777	/*****************************************************************************/	2021	/*****************************************************************************/
1778		2022
1779	/* dummy callback for pending events */	2023	/* dummy callback for pending events */
1780	static void noinline	2024	noinline
		2025	static void
1781	pendingcb (EV_P_ ev_prepare *w, int revents)	2026	pendingcb (EV_P_ ev_prepare *w, int revents)
1782	{	2027	{
1783	}	2028	}
1784		2029
1785	void noinline	2030	noinline
		2031	void
1786	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2032	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1787	{	2033	{
1788	W w_ = (W)w;	2034	W w_ = (W)w;
1789	int pri = ABSPRI (w_);	2035	int pri = ABSPRI (w_);
1790		2036
1791	if (expect_false (w_->pending))	2037	if (expect_false (w_->pending))
1792	pendings [pri][w_->pending - 1].events |= revents;	2038	pendings [pri][w_->pending - 1].events |= revents;
1793	else	2039	else
1794	{	2040	{
1795	w_->pending = ++pendingcnt [pri];	2041	w_->pending = ++pendingcnt [pri];
1796	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2042	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1797	pendings [pri][w_->pending - 1].w = w_;	2043	pendings [pri][w_->pending - 1].w = w_;
1798	pendings [pri][w_->pending - 1].events = revents;	2044	pendings [pri][w_->pending - 1].events = revents;
1799	}	2045	}
1800		2046
1801	pendingpri = NUMPRI - 1;	2047	pendingpri = NUMPRI - 1;
1802	}	2048	}
1803		2049
1804	inline_speed void	2050	inline_speed void
1805	feed_reverse (EV_P_ W w)	2051	feed_reverse (EV_P_ W w)
1806	{	2052	{
1807	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2053	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1808	rfeeds [rfeedcnt++] = w;	2054	rfeeds [rfeedcnt++] = w;
1809	}	2055	}
1810		2056
1811	inline_size void	2057	inline_size void
1812	feed_reverse_done (EV_P_ int revents)	2058	feed_reverse_done (EV_P_ int revents)
…		…
1852	if (expect_true (!anfd->reify))	2098	if (expect_true (!anfd->reify))
1853	fd_event_nocheck (EV_A_ fd, revents);	2099	fd_event_nocheck (EV_A_ fd, revents);
1854	}	2100	}
1855		2101
1856	void	2102	void
1857	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2103	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1858	{	2104	{
1859	if (fd >= 0 && fd < anfdmax)	2105	if (fd >= 0 && fd < anfdmax)
1860	fd_event_nocheck (EV_A_ fd, revents);	2106	fd_event_nocheck (EV_A_ fd, revents);
1861	}	2107	}
1862		2108
…		…
1920		2166
1921	fdchangecnt = 0;	2167	fdchangecnt = 0;
1922	}	2168	}
1923		2169
1924	/* something about the given fd changed */	2170	/* something about the given fd changed */
1925	inline_size void	2171	inline_size
		2172	void
1926	fd_change (EV_P_ int fd, int flags)	2173	fd_change (EV_P_ int fd, int flags)
1927	{	2174	{
1928	unsigned char reify = anfds [fd].reify;	2175	unsigned char reify = anfds [fd].reify;
1929	anfds [fd].reify |= flags;	2176	anfds [fd].reify |= flags;
1930		2177
1931	if (expect_true (!reify))	2178	if (expect_true (!reify))
1932	{	2179	{
1933	++fdchangecnt;	2180	++fdchangecnt;
1934	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2181	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1935	fdchanges [fdchangecnt - 1] = fd;	2182	fdchanges [fdchangecnt - 1] = fd;
1936	}	2183	}
1937	}	2184	}
1938		2185
1939	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2186	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1940	inline_speed void ecb_cold	2187	inline_speed ecb_cold void
1941	fd_kill (EV_P_ int fd)	2188	fd_kill (EV_P_ int fd)
1942	{	2189	{
1943	ev_io *w;	2190	ev_io *w;
1944		2191
1945	while ((w = (ev_io *)anfds [fd].head))	2192	while ((w = (ev_io *)anfds [fd].head))
…		…
1948	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2195	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1949	}	2196	}
1950	}	2197	}
1951		2198
1952	/* check whether the given fd is actually valid, for error recovery */	2199	/* check whether the given fd is actually valid, for error recovery */
1953	inline_size int ecb_cold	2200	inline_size ecb_cold int
1954	fd_valid (int fd)	2201	fd_valid (int fd)
1955	{	2202	{
1956	#ifdef _WIN32	2203	#ifdef _WIN32
1957	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2204	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1958	#else	2205	#else
1959	return fcntl (fd, F_GETFD) != -1;	2206	return fcntl (fd, F_GETFD) != -1;
1960	#endif	2207	#endif
1961	}	2208	}
1962		2209
1963	/* called on EBADF to verify fds */	2210	/* called on EBADF to verify fds */
1964	static void noinline ecb_cold	2211	noinline ecb_cold
		2212	static void
1965	fd_ebadf (EV_P)	2213	fd_ebadf (EV_P)
1966	{	2214	{
1967	int fd;	2215	int fd;
1968		2216
1969	for (fd = 0; fd < anfdmax; ++fd)	2217	for (fd = 0; fd < anfdmax; ++fd)
…		…
1971	if (!fd_valid (fd) && errno == EBADF)	2219	if (!fd_valid (fd) && errno == EBADF)
1972	fd_kill (EV_A_ fd);	2220	fd_kill (EV_A_ fd);
1973	}	2221	}
1974		2222
1975	/* called on ENOMEM in select/poll to kill some fds and retry */	2223	/* called on ENOMEM in select/poll to kill some fds and retry */
1976	static void noinline ecb_cold	2224	noinline ecb_cold
		2225	static void
1977	fd_enomem (EV_P)	2226	fd_enomem (EV_P)
1978	{	2227	{
1979	int fd;	2228	int fd;
1980		2229
1981	for (fd = anfdmax; fd--; )	2230	for (fd = anfdmax; fd--; )
…		…
1985	break;	2234	break;
1986	}	2235	}
1987	}	2236	}
1988		2237
1989	/* usually called after fork if backend needs to re-arm all fds from scratch */	2238	/* usually called after fork if backend needs to re-arm all fds from scratch */
1990	static void noinline	2239	noinline
		2240	static void
1991	fd_rearm_all (EV_P)	2241	fd_rearm_all (EV_P)
1992	{	2242	{
1993	int fd;	2243	int fd;
1994		2244
1995	for (fd = 0; fd < anfdmax; ++fd)	2245	for (fd = 0; fd < anfdmax; ++fd)
…		…
2176		2426
2177	/*****************************************************************************/	2427	/*****************************************************************************/
2178		2428
2179	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2429	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2180		2430
2181	static void noinline ecb_cold	2431	noinline ecb_cold
		2432	static void
2182	evpipe_init (EV_P)	2433	evpipe_init (EV_P)
2183	{	2434	{
2184	if (!ev_is_active (&pipe_w))	2435	if (!ev_is_active (&pipe_w))
2185	{	2436	{
2186	int fds [2];	2437	int fds [2];
…		…
2257	#endif	2508	#endif
2258	{	2509	{
2259	#ifdef _WIN32	2510	#ifdef _WIN32
2260	WSABUF buf;	2511	WSABUF buf;
2261	DWORD sent;	2512	DWORD sent;
2262	buf.buf = &buf;	2513	buf.buf = (char *)&buf;
2263	buf.len = 1;	2514	buf.len = 1;
2264	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2515	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2265	#else	2516	#else
2266	write (evpipe [1], &(evpipe [1]), 1);	2517	write (evpipe [1], &(evpipe [1]), 1);
2267	#endif	2518	#endif
…		…
2339	}	2590	}
2340		2591
2341	/*****************************************************************************/	2592	/*****************************************************************************/
2342		2593
2343	void	2594	void
2344	ev_feed_signal (int signum) EV_THROW	2595	ev_feed_signal (int signum) EV_NOEXCEPT
2345	{	2596	{
2346	#if EV_MULTIPLICITY	2597	#if EV_MULTIPLICITY
2347	EV_P;	2598	EV_P;
2348	ECB_MEMORY_FENCE_ACQUIRE;	2599	ECB_MEMORY_FENCE_ACQUIRE;
2349	EV_A = signals [signum - 1].loop;	2600	EV_A = signals [signum - 1].loop;
…		…
2364	#endif	2615	#endif
2365		2616
2366	ev_feed_signal (signum);	2617	ev_feed_signal (signum);
2367	}	2618	}
2368		2619
2369	void noinline	2620	noinline
		2621	void
2370	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2622	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2371	{	2623	{
2372	WL w;	2624	WL w;
2373		2625
2374	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2626	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2375	return;	2627	return;
…		…
2484	# include "ev_kqueue.c"	2736	# include "ev_kqueue.c"
2485	#endif	2737	#endif
2486	#if EV_USE_EPOLL	2738	#if EV_USE_EPOLL
2487	# include "ev_epoll.c"	2739	# include "ev_epoll.c"
2488	#endif	2740	#endif
		2741	#if EV_USE_LINUXAIO
		2742	# include "ev_linuxaio.c"
		2743	#endif
2489	#if EV_USE_POLL	2744	#if EV_USE_POLL
2490	# include "ev_poll.c"	2745	# include "ev_poll.c"
2491	#endif	2746	#endif
2492	#if EV_USE_SELECT	2747	#if EV_USE_SELECT
2493	# include "ev_select.c"	2748	# include "ev_select.c"
2494	#endif	2749	#endif
2495		2750
2496	int ecb_cold	2751	ecb_cold int
2497	ev_version_major (void) EV_THROW	2752	ev_version_major (void) EV_NOEXCEPT
2498	{	2753	{
2499	return EV_VERSION_MAJOR;	2754	return EV_VERSION_MAJOR;
2500	}	2755	}
2501		2756
2502	int ecb_cold	2757	ecb_cold int
2503	ev_version_minor (void) EV_THROW	2758	ev_version_minor (void) EV_NOEXCEPT
2504	{	2759	{
2505	return EV_VERSION_MINOR;	2760	return EV_VERSION_MINOR;
2506	}	2761	}
2507		2762
2508	/* return true if we are running with elevated privileges and should ignore env variables */	2763	/* return true if we are running with elevated privileges and should ignore env variables */
2509	int inline_size ecb_cold	2764	inline_size ecb_cold int
2510	enable_secure (void)	2765	enable_secure (void)
2511	{	2766	{
2512	#ifdef _WIN32	2767	#ifdef _WIN32
2513	return 0;	2768	return 0;
2514	#else	2769	#else
2515	return getuid () != geteuid ()	2770	return getuid () != geteuid ()
2516	|| getgid () != getegid ();	2771	|| getgid () != getegid ();
2517	#endif	2772	#endif
2518	}	2773	}
2519		2774
2520	unsigned int ecb_cold	2775	ecb_cold
		2776	unsigned int
2521	ev_supported_backends (void) EV_THROW	2777	ev_supported_backends (void) EV_NOEXCEPT
2522	{	2778	{
2523	unsigned int flags = 0;	2779	unsigned int flags = 0;
2524		2780
2525	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2781	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2526	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2782	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2527	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2783	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2784	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2528	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2785	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2529	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2786	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2530		2787
2531	return flags;	2788	return flags;
2532	}	2789	}
2533		2790
2534	unsigned int ecb_cold	2791	ecb_cold
		2792	unsigned int
2535	ev_recommended_backends (void) EV_THROW	2793	ev_recommended_backends (void) EV_NOEXCEPT
2536	{	2794	{
2537	unsigned int flags = ev_supported_backends ();	2795	unsigned int flags = ev_supported_backends ();
2538		2796
2539	#ifndef __NetBSD__	2797	#ifndef __NetBSD__
2540	/* kqueue is borked on everything but netbsd apparently */	2798	/* kqueue is borked on everything but netbsd apparently */
…		…
2548	#endif	2806	#endif
2549	#ifdef __FreeBSD__	2807	#ifdef __FreeBSD__
2550	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2808	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2551	#endif	2809	#endif
2552		2810
		2811	/* TODO: linuxaio is very experimental */
		2812	#if !EV_RECOMMEND_LINUXAIO
		2813	flags &= ~EVBACKEND_LINUXAIO;
		2814	#endif
		2815
2553	return flags;	2816	return flags;
2554	}	2817	}
2555		2818
2556	unsigned int ecb_cold	2819	ecb_cold
		2820	unsigned int
2557	ev_embeddable_backends (void) EV_THROW	2821	ev_embeddable_backends (void) EV_NOEXCEPT
2558	{	2822	{
2559	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2823	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2560		2824
2561	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2825	/* 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 */	2826	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2564		2828
2565	return flags;	2829	return flags;
2566	}	2830	}
2567		2831
2568	unsigned int	2832	unsigned int
2569	ev_backend (EV_P) EV_THROW	2833	ev_backend (EV_P) EV_NOEXCEPT
2570	{	2834	{
2571	return backend;	2835	return backend;
2572	}	2836	}
2573		2837
2574	#if EV_FEATURE_API	2838	#if EV_FEATURE_API
2575	unsigned int	2839	unsigned int
2576	ev_iteration (EV_P) EV_THROW	2840	ev_iteration (EV_P) EV_NOEXCEPT
2577	{	2841	{
2578	return loop_count;	2842	return loop_count;
2579	}	2843	}
2580		2844
2581	unsigned int	2845	unsigned int
2582	ev_depth (EV_P) EV_THROW	2846	ev_depth (EV_P) EV_NOEXCEPT
2583	{	2847	{
2584	return loop_depth;	2848	return loop_depth;
2585	}	2849	}
2586		2850
2587	void	2851	void
2588	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2852	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2589	{	2853	{
2590	io_blocktime = interval;	2854	io_blocktime = interval;
2591	}	2855	}
2592		2856
2593	void	2857	void
2594	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2858	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2595	{	2859	{
2596	timeout_blocktime = interval;	2860	timeout_blocktime = interval;
2597	}	2861	}
2598		2862
2599	void	2863	void
2600	ev_set_userdata (EV_P_ void *data) EV_THROW	2864	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2601	{	2865	{
2602	userdata = data;	2866	userdata = data;
2603	}	2867	}
2604		2868
2605	void *	2869	void *
2606	ev_userdata (EV_P) EV_THROW	2870	ev_userdata (EV_P) EV_NOEXCEPT
2607	{	2871	{
2608	return userdata;	2872	return userdata;
2609	}	2873	}
2610		2874
2611	void	2875	void
2612	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2876	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2613	{	2877	{
2614	invoke_cb = invoke_pending_cb;	2878	invoke_cb = invoke_pending_cb;
2615	}	2879	}
2616		2880
2617	void	2881	void
2618	ev_set_loop_release_cb (EV_P_ ev_loop_callback EV_THROW release, ev_loop_callback EV_THROW acquire) EV_THROW	2882	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2619	{	2883	{
2620	release_cb = release;	2884	release_cb = release;
2621	acquire_cb = acquire;	2885	acquire_cb = acquire;
2622	}	2886	}
2623	#endif	2887	#endif
2624		2888
2625	/* initialise a loop structure, must be zero-initialised */	2889	/* initialise a loop structure, must be zero-initialised */
2626	static void noinline ecb_cold	2890	noinline ecb_cold
		2891	static void
2627	loop_init (EV_P_ unsigned int flags) EV_THROW	2892	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2628	{	2893	{
2629	if (!backend)	2894	if (!backend)
2630	{	2895	{
2631	origflags = flags;	2896	origflags = flags;
2632		2897
…		…
2690		2955
2691	if (!(flags & EVBACKEND_MASK))	2956	if (!(flags & EVBACKEND_MASK))
2692	flags |= ev_recommended_backends ();	2957	flags |= ev_recommended_backends ();
2693		2958
2694	#if EV_USE_IOCP	2959	#if EV_USE_IOCP
2695	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	2960	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2696	#endif	2961	#endif
2697	#if EV_USE_PORT	2962	#if EV_USE_PORT
2698	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	2963	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2699	#endif	2964	#endif
2700	#if EV_USE_KQUEUE	2965	#if EV_USE_KQUEUE
2701	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	2966	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		2967	#endif
		2968	#if EV_USE_LINUXAIO
		2969	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2702	#endif	2970	#endif
2703	#if EV_USE_EPOLL	2971	#if EV_USE_EPOLL
2704	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	2972	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2705	#endif	2973	#endif
2706	#if EV_USE_POLL	2974	#if EV_USE_POLL
2707	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	2975	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2708	#endif	2976	#endif
2709	#if EV_USE_SELECT	2977	#if EV_USE_SELECT
2710	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	2978	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2711	#endif	2979	#endif
2712		2980
2713	ev_prepare_init (&pending_w, pendingcb);	2981	ev_prepare_init (&pending_w, pendingcb);
2714		2982
2715	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2983	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2718	#endif	2986	#endif
2719	}	2987	}
2720	}	2988	}
2721		2989
2722	/* free up a loop structure */	2990	/* free up a loop structure */
2723	void ecb_cold	2991	ecb_cold
		2992	void
2724	ev_loop_destroy (EV_P)	2993	ev_loop_destroy (EV_P)
2725	{	2994	{
2726	int i;	2995	int i;
2727		2996
2728	#if EV_MULTIPLICITY	2997	#if EV_MULTIPLICITY
…		…
2769		3038
2770	if (backend_fd >= 0)	3039	if (backend_fd >= 0)
2771	close (backend_fd);	3040	close (backend_fd);
2772		3041
2773	#if EV_USE_IOCP	3042	#if EV_USE_IOCP
2774	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3043	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2775	#endif	3044	#endif
2776	#if EV_USE_PORT	3045	#if EV_USE_PORT
2777	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3046	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2778	#endif	3047	#endif
2779	#if EV_USE_KQUEUE	3048	#if EV_USE_KQUEUE
2780	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3049	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3050	#endif
		3051	#if EV_USE_LINUXAIO
		3052	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2781	#endif	3053	#endif
2782	#if EV_USE_EPOLL	3054	#if EV_USE_EPOLL
2783	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3055	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2784	#endif	3056	#endif
2785	#if EV_USE_POLL	3057	#if EV_USE_POLL
2786	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3058	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2787	#endif	3059	#endif
2788	#if EV_USE_SELECT	3060	#if EV_USE_SELECT
2789	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3061	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2790	#endif	3062	#endif
2791		3063
2792	for (i = NUMPRI; i--; )	3064	for (i = NUMPRI; i--; )
2793	{	3065	{
2794	array_free (pending, [i]);	3066	array_free (pending, [i]);
…		…
2836		3108
2837	inline_size void	3109	inline_size void
2838	loop_fork (EV_P)	3110	loop_fork (EV_P)
2839	{	3111	{
2840	#if EV_USE_PORT	3112	#if EV_USE_PORT
2841	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3113	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2842	#endif	3114	#endif
2843	#if EV_USE_KQUEUE	3115	#if EV_USE_KQUEUE
2844	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3116	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3117	#endif
		3118	#if EV_USE_LINUXAIO
		3119	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2845	#endif	3120	#endif
2846	#if EV_USE_EPOLL	3121	#if EV_USE_EPOLL
2847	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3122	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2848	#endif	3123	#endif
2849	#if EV_USE_INOTIFY	3124	#if EV_USE_INOTIFY
2850	infy_fork (EV_A);	3125	infy_fork (EV_A);
2851	#endif	3126	#endif
2852		3127
2853	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3128	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2854	if (ev_is_active (&pipe_w))	3129	if (ev_is_active (&pipe_w) && postfork != 2)
2855	{	3130	{
2856	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3131	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2857		3132
2858	ev_ref (EV_A);	3133	ev_ref (EV_A);
2859	ev_io_stop (EV_A_ &pipe_w);	3134	ev_io_stop (EV_A_ &pipe_w);
…		…
2870	postfork = 0;	3145	postfork = 0;
2871	}	3146	}
2872		3147
2873	#if EV_MULTIPLICITY	3148	#if EV_MULTIPLICITY
2874		3149
		3150	ecb_cold
2875	struct ev_loop * ecb_cold	3151	struct ev_loop *
2876	ev_loop_new (unsigned int flags) EV_THROW	3152	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2877	{	3153	{
2878	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3154	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2879		3155
2880	memset (EV_A, 0, sizeof (struct ev_loop));	3156	memset (EV_A, 0, sizeof (struct ev_loop));
2881	loop_init (EV_A_ flags);	3157	loop_init (EV_A_ flags);
…		…
2888	}	3164	}
2889		3165
2890	#endif /* multiplicity */	3166	#endif /* multiplicity */
2891		3167
2892	#if EV_VERIFY	3168	#if EV_VERIFY
2893	static void noinline ecb_cold	3169	noinline ecb_cold
		3170	static void
2894	verify_watcher (EV_P_ W w)	3171	verify_watcher (EV_P_ W w)
2895	{	3172	{
2896	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3173	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2897		3174
2898	if (w->pending)	3175	if (w->pending)
2899	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3176	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2900	}	3177	}
2901		3178
2902	static void noinline ecb_cold	3179	noinline ecb_cold
		3180	static void
2903	verify_heap (EV_P_ ANHE *heap, int N)	3181	verify_heap (EV_P_ ANHE *heap, int N)
2904	{	3182	{
2905	int i;	3183	int i;
2906		3184
2907	for (i = HEAP0; i < N + HEAP0; ++i)	3185	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2912		3190
2913	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3191	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2914	}	3192	}
2915	}	3193	}
2916		3194
2917	static void noinline ecb_cold	3195	noinline ecb_cold
		3196	static void
2918	array_verify (EV_P_ W *ws, int cnt)	3197	array_verify (EV_P_ W *ws, int cnt)
2919	{	3198	{
2920	while (cnt--)	3199	while (cnt--)
2921	{	3200	{
2922	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3201	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2925	}	3204	}
2926	#endif	3205	#endif
2927		3206
2928	#if EV_FEATURE_API	3207	#if EV_FEATURE_API
2929	void ecb_cold	3208	void ecb_cold
2930	ev_verify (EV_P) EV_THROW	3209	ev_verify (EV_P) EV_NOEXCEPT
2931	{	3210	{
2932	#if EV_VERIFY	3211	#if EV_VERIFY
2933	int i;	3212	int i;
2934	WL w, w2;	3213	WL w, w2;
2935		3214
…		…
3011	#endif	3290	#endif
3012	}	3291	}
3013	#endif	3292	#endif
3014		3293
3015	#if EV_MULTIPLICITY	3294	#if EV_MULTIPLICITY
		3295	ecb_cold
3016	struct ev_loop * ecb_cold	3296	struct ev_loop *
3017	#else	3297	#else
3018	int	3298	int
3019	#endif	3299	#endif
3020	ev_default_loop (unsigned int flags) EV_THROW	3300	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3021	{	3301	{
3022	if (!ev_default_loop_ptr)	3302	if (!ev_default_loop_ptr)
3023	{	3303	{
3024	#if EV_MULTIPLICITY	3304	#if EV_MULTIPLICITY
3025	EV_P = ev_default_loop_ptr = &default_loop_struct;	3305	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3044		3324
3045	return ev_default_loop_ptr;	3325	return ev_default_loop_ptr;
3046	}	3326	}
3047		3327
3048	void	3328	void
3049	ev_loop_fork (EV_P) EV_THROW	3329	ev_loop_fork (EV_P) EV_NOEXCEPT
3050	{	3330	{
3051	postfork = 1;	3331	postfork = 1;
3052	}	3332	}
3053		3333
3054	/*****************************************************************************/	3334	/*****************************************************************************/
…		…
3058	{	3338	{
3059	EV_CB_INVOKE ((W)w, revents);	3339	EV_CB_INVOKE ((W)w, revents);
3060	}	3340	}
3061		3341
3062	unsigned int	3342	unsigned int
3063	ev_pending_count (EV_P) EV_THROW	3343	ev_pending_count (EV_P) EV_NOEXCEPT
3064	{	3344	{
3065	int pri;	3345	int pri;
3066	unsigned int count = 0;	3346	unsigned int count = 0;
3067		3347
3068	for (pri = NUMPRI; pri--; )	3348	for (pri = NUMPRI; pri--; )
3069	count += pendingcnt [pri];	3349	count += pendingcnt [pri];
3070		3350
3071	return count;	3351	return count;
3072	}	3352	}
3073		3353
3074	void noinline	3354	noinline
		3355	void
3075	ev_invoke_pending (EV_P)	3356	ev_invoke_pending (EV_P)
3076	{	3357	{
3077	pendingpri = NUMPRI;	3358	pendingpri = NUMPRI;
3078		3359
3079	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3360	do
3080	{	3361	{
3081	--pendingpri;	3362	--pendingpri;
3082		3363
		3364	/* pendingpri possibly gets modified in the inner loop */
3083	while (pendingcnt [pendingpri])	3365	while (pendingcnt [pendingpri])
3084	{	3366	{
3085	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3367	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3086		3368
3087	p->w->pending = 0;	3369	p->w->pending = 0;
3088	EV_CB_INVOKE (p->w, p->events);	3370	EV_CB_INVOKE (p->w, p->events);
3089	EV_FREQUENT_CHECK;	3371	EV_FREQUENT_CHECK;
3090	}	3372	}
3091	}	3373	}
		3374	while (pendingpri);
3092	}	3375	}
3093		3376
3094	#if EV_IDLE_ENABLE	3377	#if EV_IDLE_ENABLE
3095	/* make idle watchers pending. this handles the "call-idle */	3378	/* make idle watchers pending. this handles the "call-idle */
3096	/* only when higher priorities are idle" logic */	3379	/* only when higher priorities are idle" logic */
…		…
3154	}	3437	}
3155	}	3438	}
3156		3439
3157	#if EV_PERIODIC_ENABLE	3440	#if EV_PERIODIC_ENABLE
3158		3441
3159	static void noinline	3442	noinline
		3443	static void
3160	periodic_recalc (EV_P_ ev_periodic *w)	3444	periodic_recalc (EV_P_ ev_periodic *w)
3161	{	3445	{
3162	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3446	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);	3447	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3164		3448
…		…
3222	}	3506	}
3223	}	3507	}
3224		3508
3225	/* simply recalculate all periodics */	3509	/* simply recalculate all periodics */
3226	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3510	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3227	static void noinline ecb_cold	3511	noinline ecb_cold
		3512	static void
3228	periodics_reschedule (EV_P)	3513	periodics_reschedule (EV_P)
3229	{	3514	{
3230	int i;	3515	int i;
3231		3516
3232	/* adjust periodics after time jump */	3517	/* adjust periodics after time jump */
…		…
3245	reheap (periodics, periodiccnt);	3530	reheap (periodics, periodiccnt);
3246	}	3531	}
3247	#endif	3532	#endif
3248		3533
3249	/* adjust all timers by a given offset */	3534	/* adjust all timers by a given offset */
3250	static void noinline ecb_cold	3535	noinline ecb_cold
		3536	static void
3251	timers_reschedule (EV_P_ ev_tstamp adjust)	3537	timers_reschedule (EV_P_ ev_tstamp adjust)
3252	{	3538	{
3253	int i;	3539	int i;
3254		3540
3255	for (i = 0; i < timercnt; ++i)	3541	for (i = 0; i < timercnt; ++i)
…		…
3502		3788
3503	return activecnt;	3789	return activecnt;
3504	}	3790	}
3505		3791
3506	void	3792	void
3507	ev_break (EV_P_ int how) EV_THROW	3793	ev_break (EV_P_ int how) EV_NOEXCEPT
3508	{	3794	{
3509	loop_done = how;	3795	loop_done = how;
3510	}	3796	}
3511		3797
3512	void	3798	void
3513	ev_ref (EV_P) EV_THROW	3799	ev_ref (EV_P) EV_NOEXCEPT
3514	{	3800	{
3515	++activecnt;	3801	++activecnt;
3516	}	3802	}
3517		3803
3518	void	3804	void
3519	ev_unref (EV_P) EV_THROW	3805	ev_unref (EV_P) EV_NOEXCEPT
3520	{	3806	{
3521	--activecnt;	3807	--activecnt;
3522	}	3808	}
3523		3809
3524	void	3810	void
3525	ev_now_update (EV_P) EV_THROW	3811	ev_now_update (EV_P) EV_NOEXCEPT
3526	{	3812	{
3527	time_update (EV_A_ 1e100);	3813	time_update (EV_A_ 1e100);
3528	}	3814	}
3529		3815
3530	void	3816	void
3531	ev_suspend (EV_P) EV_THROW	3817	ev_suspend (EV_P) EV_NOEXCEPT
3532	{	3818	{
3533	ev_now_update (EV_A);	3819	ev_now_update (EV_A);
3534	}	3820	}
3535		3821
3536	void	3822	void
3537	ev_resume (EV_P) EV_THROW	3823	ev_resume (EV_P) EV_NOEXCEPT
3538	{	3824	{
3539	ev_tstamp mn_prev = mn_now;	3825	ev_tstamp mn_prev = mn_now;
3540		3826
3541	ev_now_update (EV_A);	3827	ev_now_update (EV_A);
3542	timers_reschedule (EV_A_ mn_now - mn_prev);	3828	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3581	w->pending = 0;	3867	w->pending = 0;
3582	}	3868	}
3583	}	3869	}
3584		3870
3585	int	3871	int
3586	ev_clear_pending (EV_P_ void *w) EV_THROW	3872	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3587	{	3873	{
3588	W w_ = (W)w;	3874	W w_ = (W)w;
3589	int pending = w_->pending;	3875	int pending = w_->pending;
3590		3876
3591	if (expect_true (pending))	3877	if (expect_true (pending))
…		…
3623	w->active = 0;	3909	w->active = 0;
3624	}	3910	}
3625		3911
3626	/*****************************************************************************/	3912	/*****************************************************************************/
3627		3913
3628	void noinline	3914	noinline
		3915	void
3629	ev_io_start (EV_P_ ev_io *w) EV_THROW	3916	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3630	{	3917	{
3631	int fd = w->fd;	3918	int fd = w->fd;
3632		3919
3633	if (expect_false (ev_is_active (w)))	3920	if (expect_false (ev_is_active (w)))
3634	return;	3921	return;
…		…
3637	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	3924	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3638		3925
3639	EV_FREQUENT_CHECK;	3926	EV_FREQUENT_CHECK;
3640		3927
3641	ev_start (EV_A_ (W)w, 1);	3928	ev_start (EV_A_ (W)w, 1);
3642	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3929	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3643	wlist_add (&anfds[fd].head, (WL)w);	3930	wlist_add (&anfds[fd].head, (WL)w);
3644		3931
3645	/* common bug, apparently */	3932	/* common bug, apparently */
3646	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	3933	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3647		3934
…		…
3649	w->events &= ~EV__IOFDSET;	3936	w->events &= ~EV__IOFDSET;
3650		3937
3651	EV_FREQUENT_CHECK;	3938	EV_FREQUENT_CHECK;
3652	}	3939	}
3653		3940
3654	void noinline	3941	noinline
		3942	void
3655	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3943	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3656	{	3944	{
3657	clear_pending (EV_A_ (W)w);	3945	clear_pending (EV_A_ (W)w);
3658	if (expect_false (!ev_is_active (w)))	3946	if (expect_false (!ev_is_active (w)))
3659	return;	3947	return;
3660		3948
…		…
3668	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3956	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3669		3957
3670	EV_FREQUENT_CHECK;	3958	EV_FREQUENT_CHECK;
3671	}	3959	}
3672		3960
3673	void noinline	3961	noinline
		3962	void
3674	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3963	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3675	{	3964	{
3676	if (expect_false (ev_is_active (w)))	3965	if (expect_false (ev_is_active (w)))
3677	return;	3966	return;
3678		3967
3679	ev_at (w) += mn_now;	3968	ev_at (w) += mn_now;
…		…
3682		3971
3683	EV_FREQUENT_CHECK;	3972	EV_FREQUENT_CHECK;
3684		3973
3685	++timercnt;	3974	++timercnt;
3686	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	3975	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3687	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	3976	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3688	ANHE_w (timers [ev_active (w)]) = (WT)w;	3977	ANHE_w (timers [ev_active (w)]) = (WT)w;
3689	ANHE_at_cache (timers [ev_active (w)]);	3978	ANHE_at_cache (timers [ev_active (w)]);
3690	upheap (timers, ev_active (w));	3979	upheap (timers, ev_active (w));
3691		3980
3692	EV_FREQUENT_CHECK;	3981	EV_FREQUENT_CHECK;
3693		3982
3694	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3983	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3695	}	3984	}
3696		3985
3697	void noinline	3986	noinline
		3987	void
3698	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3988	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3699	{	3989	{
3700	clear_pending (EV_A_ (W)w);	3990	clear_pending (EV_A_ (W)w);
3701	if (expect_false (!ev_is_active (w)))	3991	if (expect_false (!ev_is_active (w)))
3702	return;	3992	return;
3703		3993
…		…
3722	ev_stop (EV_A_ (W)w);	4012	ev_stop (EV_A_ (W)w);
3723		4013
3724	EV_FREQUENT_CHECK;	4014	EV_FREQUENT_CHECK;
3725	}	4015	}
3726		4016
3727	void noinline	4017	noinline
		4018	void
3728	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4019	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3729	{	4020	{
3730	EV_FREQUENT_CHECK;	4021	EV_FREQUENT_CHECK;
3731		4022
3732	clear_pending (EV_A_ (W)w);	4023	clear_pending (EV_A_ (W)w);
3733		4024
…		…
3750		4041
3751	EV_FREQUENT_CHECK;	4042	EV_FREQUENT_CHECK;
3752	}	4043	}
3753		4044
3754	ev_tstamp	4045	ev_tstamp
3755	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4046	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3756	{	4047	{
3757	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4048	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3758	}	4049	}
3759		4050
3760	#if EV_PERIODIC_ENABLE	4051	#if EV_PERIODIC_ENABLE
3761	void noinline	4052	noinline
		4053	void
3762	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4054	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3763	{	4055	{
3764	if (expect_false (ev_is_active (w)))	4056	if (expect_false (ev_is_active (w)))
3765	return;	4057	return;
3766		4058
3767	if (w->reschedule_cb)	4059	if (w->reschedule_cb)
…		…
3776		4068
3777	EV_FREQUENT_CHECK;	4069	EV_FREQUENT_CHECK;
3778		4070
3779	++periodiccnt;	4071	++periodiccnt;
3780	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4072	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3781	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4073	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3782	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4074	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3783	ANHE_at_cache (periodics [ev_active (w)]);	4075	ANHE_at_cache (periodics [ev_active (w)]);
3784	upheap (periodics, ev_active (w));	4076	upheap (periodics, ev_active (w));
3785		4077
3786	EV_FREQUENT_CHECK;	4078	EV_FREQUENT_CHECK;
3787		4079
3788	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4080	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3789	}	4081	}
3790		4082
3791	void noinline	4083	noinline
		4084	void
3792	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4085	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3793	{	4086	{
3794	clear_pending (EV_A_ (W)w);	4087	clear_pending (EV_A_ (W)w);
3795	if (expect_false (!ev_is_active (w)))	4088	if (expect_false (!ev_is_active (w)))
3796	return;	4089	return;
3797		4090
…		…
3814	ev_stop (EV_A_ (W)w);	4107	ev_stop (EV_A_ (W)w);
3815		4108
3816	EV_FREQUENT_CHECK;	4109	EV_FREQUENT_CHECK;
3817	}	4110	}
3818		4111
3819	void noinline	4112	noinline
		4113	void
3820	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4114	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3821	{	4115	{
3822	/* TODO: use adjustheap and recalculation */	4116	/* TODO: use adjustheap and recalculation */
3823	ev_periodic_stop (EV_A_ w);	4117	ev_periodic_stop (EV_A_ w);
3824	ev_periodic_start (EV_A_ w);	4118	ev_periodic_start (EV_A_ w);
3825	}	4119	}
…		…
3829	# define SA_RESTART 0	4123	# define SA_RESTART 0
3830	#endif	4124	#endif
3831		4125
3832	#if EV_SIGNAL_ENABLE	4126	#if EV_SIGNAL_ENABLE
3833		4127
3834	void noinline	4128	noinline
		4129	void
3835	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4130	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3836	{	4131	{
3837	if (expect_false (ev_is_active (w)))	4132	if (expect_false (ev_is_active (w)))
3838	return;	4133	return;
3839		4134
3840	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4135	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3911	}	4206	}
3912		4207
3913	EV_FREQUENT_CHECK;	4208	EV_FREQUENT_CHECK;
3914	}	4209	}
3915		4210
3916	void noinline	4211	noinline
		4212	void
3917	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4213	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3918	{	4214	{
3919	clear_pending (EV_A_ (W)w);	4215	clear_pending (EV_A_ (W)w);
3920	if (expect_false (!ev_is_active (w)))	4216	if (expect_false (!ev_is_active (w)))
3921	return;	4217	return;
3922		4218
…		…
3953	#endif	4249	#endif
3954		4250
3955	#if EV_CHILD_ENABLE	4251	#if EV_CHILD_ENABLE
3956		4252
3957	void	4253	void
3958	ev_child_start (EV_P_ ev_child *w) EV_THROW	4254	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3959	{	4255	{
3960	#if EV_MULTIPLICITY	4256	#if EV_MULTIPLICITY
3961	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4257	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3962	#endif	4258	#endif
3963	if (expect_false (ev_is_active (w)))	4259	if (expect_false (ev_is_active (w)))
…		…
3970		4266
3971	EV_FREQUENT_CHECK;	4267	EV_FREQUENT_CHECK;
3972	}	4268	}
3973		4269
3974	void	4270	void
3975	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4271	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3976	{	4272	{
3977	clear_pending (EV_A_ (W)w);	4273	clear_pending (EV_A_ (W)w);
3978	if (expect_false (!ev_is_active (w)))	4274	if (expect_false (!ev_is_active (w)))
3979	return;	4275	return;
3980		4276
…		…
3997		4293
3998	#define DEF_STAT_INTERVAL 5.0074891	4294	#define DEF_STAT_INTERVAL 5.0074891
3999	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4295	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4000	#define MIN_STAT_INTERVAL 0.1074891	4296	#define MIN_STAT_INTERVAL 0.1074891
4001		4297
4002	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4298	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4003		4299
4004	#if EV_USE_INOTIFY	4300	#if EV_USE_INOTIFY
4005		4301
4006	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4302	/* 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)	4303	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4008		4304
4009	static void noinline	4305	noinline
		4306	static void
4010	infy_add (EV_P_ ev_stat *w)	4307	infy_add (EV_P_ ev_stat *w)
4011	{	4308	{
4012	w->wd = inotify_add_watch (fs_fd, w->path,	4309	w->wd = inotify_add_watch (fs_fd, w->path,
4013	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4310	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4014	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4311	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4078	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4375	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4079	ev_timer_again (EV_A_ &w->timer);	4376	ev_timer_again (EV_A_ &w->timer);
4080	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4377	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4081	}	4378	}
4082		4379
4083	static void noinline	4380	noinline
		4381	static void
4084	infy_del (EV_P_ ev_stat *w)	4382	infy_del (EV_P_ ev_stat *w)
4085	{	4383	{
4086	int slot;	4384	int slot;
4087	int wd = w->wd;	4385	int wd = w->wd;
4088		4386
…		…
4095		4393
4096	/* remove this watcher, if others are watching it, they will rearm */	4394	/* remove this watcher, if others are watching it, they will rearm */
4097	inotify_rm_watch (fs_fd, wd);	4395	inotify_rm_watch (fs_fd, wd);
4098	}	4396	}
4099		4397
4100	static void noinline	4398	noinline
		4399	static void
4101	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4400	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4102	{	4401	{
4103	if (slot < 0)	4402	if (slot < 0)
4104	/* overflow, need to check for all hash slots */	4403	/* overflow, need to check for all hash slots */
4105	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4404	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4141	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4440	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4142	ofs += sizeof (struct inotify_event) + ev->len;	4441	ofs += sizeof (struct inotify_event) + ev->len;
4143	}	4442	}
4144	}	4443	}
4145		4444
4146	inline_size void ecb_cold	4445	inline_size ecb_cold
		4446	void
4147	ev_check_2625 (EV_P)	4447	ev_check_2625 (EV_P)
4148	{	4448	{
4149	/* kernels < 2.6.25 are borked	4449	/* kernels < 2.6.25 are borked
4150	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4450	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4151	*/	4451	*/
…		…
4241	#else	4541	#else
4242	# define EV_LSTAT(p,b) lstat (p, b)	4542	# define EV_LSTAT(p,b) lstat (p, b)
4243	#endif	4543	#endif
4244		4544
4245	void	4545	void
4246	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4546	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4247	{	4547	{
4248	if (lstat (w->path, &w->attr) < 0)	4548	if (lstat (w->path, &w->attr) < 0)
4249	w->attr.st_nlink = 0;	4549	w->attr.st_nlink = 0;
4250	else if (!w->attr.st_nlink)	4550	else if (!w->attr.st_nlink)
4251	w->attr.st_nlink = 1;	4551	w->attr.st_nlink = 1;
4252	}	4552	}
4253		4553
4254	static void noinline	4554	noinline
		4555	static void
4255	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4556	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4256	{	4557	{
4257	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4558	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4258		4559
4259	ev_statdata prev = w->attr;	4560	ev_statdata prev = w->attr;
…		…
4290	ev_feed_event (EV_A_ w, EV_STAT);	4591	ev_feed_event (EV_A_ w, EV_STAT);
4291	}	4592	}
4292	}	4593	}
4293		4594
4294	void	4595	void
4295	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4596	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4296	{	4597	{
4297	if (expect_false (ev_is_active (w)))	4598	if (expect_false (ev_is_active (w)))
4298	return;	4599	return;
4299		4600
4300	ev_stat_stat (EV_A_ w);	4601	ev_stat_stat (EV_A_ w);
…		…
4321		4622
4322	EV_FREQUENT_CHECK;	4623	EV_FREQUENT_CHECK;
4323	}	4624	}
4324		4625
4325	void	4626	void
4326	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4627	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4327	{	4628	{
4328	clear_pending (EV_A_ (W)w);	4629	clear_pending (EV_A_ (W)w);
4329	if (expect_false (!ev_is_active (w)))	4630	if (expect_false (!ev_is_active (w)))
4330	return;	4631	return;
4331		4632
…		…
4347	}	4648	}
4348	#endif	4649	#endif
4349		4650
4350	#if EV_IDLE_ENABLE	4651	#if EV_IDLE_ENABLE
4351	void	4652	void
4352	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4653	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4353	{	4654	{
4354	if (expect_false (ev_is_active (w)))	4655	if (expect_false (ev_is_active (w)))
4355	return;	4656	return;
4356		4657
4357	pri_adjust (EV_A_ (W)w);	4658	pri_adjust (EV_A_ (W)w);
…		…
4362	int active = ++idlecnt [ABSPRI (w)];	4663	int active = ++idlecnt [ABSPRI (w)];
4363		4664
4364	++idleall;	4665	++idleall;
4365	ev_start (EV_A_ (W)w, active);	4666	ev_start (EV_A_ (W)w, active);
4366		4667
4367	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4668	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4368	idles [ABSPRI (w)][active - 1] = w;	4669	idles [ABSPRI (w)][active - 1] = w;
4369	}	4670	}
4370		4671
4371	EV_FREQUENT_CHECK;	4672	EV_FREQUENT_CHECK;
4372	}	4673	}
4373		4674
4374	void	4675	void
4375	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4676	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4376	{	4677	{
4377	clear_pending (EV_A_ (W)w);	4678	clear_pending (EV_A_ (W)w);
4378	if (expect_false (!ev_is_active (w)))	4679	if (expect_false (!ev_is_active (w)))
4379	return;	4680	return;
4380		4681
…		…
4394	}	4695	}
4395	#endif	4696	#endif
4396		4697
4397	#if EV_PREPARE_ENABLE	4698	#if EV_PREPARE_ENABLE
4398	void	4699	void
4399	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4700	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4400	{	4701	{
4401	if (expect_false (ev_is_active (w)))	4702	if (expect_false (ev_is_active (w)))
4402	return;	4703	return;
4403		4704
4404	EV_FREQUENT_CHECK;	4705	EV_FREQUENT_CHECK;
4405		4706
4406	ev_start (EV_A_ (W)w, ++preparecnt);	4707	ev_start (EV_A_ (W)w, ++preparecnt);
4407	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4708	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4408	prepares [preparecnt - 1] = w;	4709	prepares [preparecnt - 1] = w;
4409		4710
4410	EV_FREQUENT_CHECK;	4711	EV_FREQUENT_CHECK;
4411	}	4712	}
4412		4713
4413	void	4714	void
4414	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4715	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4415	{	4716	{
4416	clear_pending (EV_A_ (W)w);	4717	clear_pending (EV_A_ (W)w);
4417	if (expect_false (!ev_is_active (w)))	4718	if (expect_false (!ev_is_active (w)))
4418	return;	4719	return;
4419		4720
…		…
4432	}	4733	}
4433	#endif	4734	#endif
4434		4735
4435	#if EV_CHECK_ENABLE	4736	#if EV_CHECK_ENABLE
4436	void	4737	void
4437	ev_check_start (EV_P_ ev_check *w) EV_THROW	4738	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4438	{	4739	{
4439	if (expect_false (ev_is_active (w)))	4740	if (expect_false (ev_is_active (w)))
4440	return;	4741	return;
4441		4742
4442	EV_FREQUENT_CHECK;	4743	EV_FREQUENT_CHECK;
4443		4744
4444	ev_start (EV_A_ (W)w, ++checkcnt);	4745	ev_start (EV_A_ (W)w, ++checkcnt);
4445	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4746	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4446	checks [checkcnt - 1] = w;	4747	checks [checkcnt - 1] = w;
4447		4748
4448	EV_FREQUENT_CHECK;	4749	EV_FREQUENT_CHECK;
4449	}	4750	}
4450		4751
4451	void	4752	void
4452	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4753	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4453	{	4754	{
4454	clear_pending (EV_A_ (W)w);	4755	clear_pending (EV_A_ (W)w);
4455	if (expect_false (!ev_is_active (w)))	4756	if (expect_false (!ev_is_active (w)))
4456	return;	4757	return;
4457		4758
…		…
4469	EV_FREQUENT_CHECK;	4770	EV_FREQUENT_CHECK;
4470	}	4771	}
4471	#endif	4772	#endif
4472		4773
4473	#if EV_EMBED_ENABLE	4774	#if EV_EMBED_ENABLE
4474	void noinline	4775	noinline
		4776	void
4475	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4777	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4476	{	4778	{
4477	ev_run (w->other, EVRUN_NOWAIT);	4779	ev_run (w->other, EVRUN_NOWAIT);
4478	}	4780	}
4479		4781
4480	static void	4782	static void
…		…
4528	ev_idle_stop (EV_A_ idle);	4830	ev_idle_stop (EV_A_ idle);
4529	}	4831	}
4530	#endif	4832	#endif
4531		4833
4532	void	4834	void
4533	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4835	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4534	{	4836	{
4535	if (expect_false (ev_is_active (w)))	4837	if (expect_false (ev_is_active (w)))
4536	return;	4838	return;
4537		4839
4538	{	4840	{
…		…
4559		4861
4560	EV_FREQUENT_CHECK;	4862	EV_FREQUENT_CHECK;
4561	}	4863	}
4562		4864
4563	void	4865	void
4564	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4866	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4565	{	4867	{
4566	clear_pending (EV_A_ (W)w);	4868	clear_pending (EV_A_ (W)w);
4567	if (expect_false (!ev_is_active (w)))	4869	if (expect_false (!ev_is_active (w)))
4568	return;	4870	return;
4569		4871
…		…
4579	}	4881	}
4580	#endif	4882	#endif
4581		4883
4582	#if EV_FORK_ENABLE	4884	#if EV_FORK_ENABLE
4583	void	4885	void
4584	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4886	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4585	{	4887	{
4586	if (expect_false (ev_is_active (w)))	4888	if (expect_false (ev_is_active (w)))
4587	return;	4889	return;
4588		4890
4589	EV_FREQUENT_CHECK;	4891	EV_FREQUENT_CHECK;
4590		4892
4591	ev_start (EV_A_ (W)w, ++forkcnt);	4893	ev_start (EV_A_ (W)w, ++forkcnt);
4592	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4894	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4593	forks [forkcnt - 1] = w;	4895	forks [forkcnt - 1] = w;
4594		4896
4595	EV_FREQUENT_CHECK;	4897	EV_FREQUENT_CHECK;
4596	}	4898	}
4597		4899
4598	void	4900	void
4599	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4901	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4600	{	4902	{
4601	clear_pending (EV_A_ (W)w);	4903	clear_pending (EV_A_ (W)w);
4602	if (expect_false (!ev_is_active (w)))	4904	if (expect_false (!ev_is_active (w)))
4603	return;	4905	return;
4604		4906
…		…
4617	}	4919	}
4618	#endif	4920	#endif
4619		4921
4620	#if EV_CLEANUP_ENABLE	4922	#if EV_CLEANUP_ENABLE
4621	void	4923	void
4622	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4924	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4623	{	4925	{
4624	if (expect_false (ev_is_active (w)))	4926	if (expect_false (ev_is_active (w)))
4625	return;	4927	return;
4626		4928
4627	EV_FREQUENT_CHECK;	4929	EV_FREQUENT_CHECK;
4628		4930
4629	ev_start (EV_A_ (W)w, ++cleanupcnt);	4931	ev_start (EV_A_ (W)w, ++cleanupcnt);
4630	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	4932	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4631	cleanups [cleanupcnt - 1] = w;	4933	cleanups [cleanupcnt - 1] = w;
4632		4934
4633	/* cleanup watchers should never keep a refcount on the loop */	4935	/* cleanup watchers should never keep a refcount on the loop */
4634	ev_unref (EV_A);	4936	ev_unref (EV_A);
4635	EV_FREQUENT_CHECK;	4937	EV_FREQUENT_CHECK;
4636	}	4938	}
4637		4939
4638	void	4940	void
4639	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4941	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4640	{	4942	{
4641	clear_pending (EV_A_ (W)w);	4943	clear_pending (EV_A_ (W)w);
4642	if (expect_false (!ev_is_active (w)))	4944	if (expect_false (!ev_is_active (w)))
4643	return;	4945	return;
4644		4946
…		…
4658	}	4960	}
4659	#endif	4961	#endif
4660		4962
4661	#if EV_ASYNC_ENABLE	4963	#if EV_ASYNC_ENABLE
4662	void	4964	void
4663	ev_async_start (EV_P_ ev_async *w) EV_THROW	4965	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4664	{	4966	{
4665	if (expect_false (ev_is_active (w)))	4967	if (expect_false (ev_is_active (w)))
4666	return;	4968	return;
4667		4969
4668	w->sent = 0;	4970	w->sent = 0;
…		…
4670	evpipe_init (EV_A);	4972	evpipe_init (EV_A);
4671		4973
4672	EV_FREQUENT_CHECK;	4974	EV_FREQUENT_CHECK;
4673		4975
4674	ev_start (EV_A_ (W)w, ++asynccnt);	4976	ev_start (EV_A_ (W)w, ++asynccnt);
4675	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	4977	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4676	asyncs [asynccnt - 1] = w;	4978	asyncs [asynccnt - 1] = w;
4677		4979
4678	EV_FREQUENT_CHECK;	4980	EV_FREQUENT_CHECK;
4679	}	4981	}
4680		4982
4681	void	4983	void
4682	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4984	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4683	{	4985	{
4684	clear_pending (EV_A_ (W)w);	4986	clear_pending (EV_A_ (W)w);
4685	if (expect_false (!ev_is_active (w)))	4987	if (expect_false (!ev_is_active (w)))
4686	return;	4988	return;
4687		4989
…		…
4698		5000
4699	EV_FREQUENT_CHECK;	5001	EV_FREQUENT_CHECK;
4700	}	5002	}
4701		5003
4702	void	5004	void
4703	ev_async_send (EV_P_ ev_async *w) EV_THROW	5005	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4704	{	5006	{
4705	w->sent = 1;	5007	w->sent = 1;
4706	evpipe_write (EV_A_ &async_pending);	5008	evpipe_write (EV_A_ &async_pending);
4707	}	5009	}
4708	#endif	5010	#endif
…		…
4745		5047
4746	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5048	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4747	}	5049	}
4748		5050
4749	void	5051	void
4750	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5052	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4751	{	5053	{
4752	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5054	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		5055
4760	once->cb = cb;	5056	once->cb = cb;
4761	once->arg = arg;	5057	once->arg = arg;
4762		5058
4763	ev_init (&once->io, once_cb_io);	5059	ev_init (&once->io, once_cb_io);
…		…
4776	}	5072	}
4777		5073
4778	/*****************************************************************************/	5074	/*****************************************************************************/
4779		5075
4780	#if EV_WALK_ENABLE	5076	#if EV_WALK_ENABLE
4781	void ecb_cold	5077	ecb_cold
		5078	void
4782	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5079	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4783	{	5080	{
4784	int i, j;	5081	int i, j;
4785	ev_watcher_list *wl, *wn;	5082	ev_watcher_list *wl, *wn;
4786		5083
4787	if (types & (EV_IO | EV_EMBED))	5084	if (types & (EV_IO | EV_EMBED))

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