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Comparing libev/ev.c (file contents):
Revision 1.470 by root, Sun Sep 7 13:44:21 2014 UTC vs.
Revision 1.499 by root, Wed Jun 26 07:50:27 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 /* ev_linxaio uses ev_poll.c:ev_epoll_create */
		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 0x00010006
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 }
…		…
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)
630	#endif	675	#endif
631		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 */
		684	#endif
		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
		688	#define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
634	#if __i386 || __i386__	689	#if __i386 || __i386__
635	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	690	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
636	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	691	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
637	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	692	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
638	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	693	#elif ECB_GCC_AMD64
639	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	694	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
640	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	695	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
641	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	696	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
642	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	697	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
643	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	698	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		699	#elif defined __ARM_ARCH_2__ \
		700	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		701	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		702	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		703	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		704	|| defined __ARM_ARCH_5TEJ__
		705	/* 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__ \	706	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
645	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	707	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		708	|| defined __ARM_ARCH_6T2__
646	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	709	#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__ \	710	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
648	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	711	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
649	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	712	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
650	#elif __aarch64__	713	#elif __aarch64__
651	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	714	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
652	#elif (__sparc || __sparc__) && !__sparcv8	715	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
653	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	716	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
654	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	717	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
655	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	718	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
656	#elif defined __s390__ || defined __s390x__	719	#elif defined __s390__ || defined __s390x__
657	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	720	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
680	#if ECB_GCC_VERSION(4,7)	743	#if ECB_GCC_VERSION(4,7)
681	/* see comment below (stdatomic.h) about the C11 memory model. */	744	/* see comment below (stdatomic.h) about the C11 memory model. */
682	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	745	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
683	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	746	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
684	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)	747	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		748	#define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
685		749
686	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	750	#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.	751	/* see comment below (stdatomic.h) about the C11 memory model. */
692	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	752	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
693	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	753	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
694	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	754	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
695	*/	755	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
696		756
697	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	757	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
698	#define ECB_MEMORY_FENCE __sync_synchronize ()	758	#define ECB_MEMORY_FENCE __sync_synchronize ()
699	#elif _MSC_VER >= 1500 /* VC++ 2008 */	759	#elif _MSC_VER >= 1500 /* VC++ 2008 */
700	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	760	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
710	#elif defined _WIN32	770	#elif defined _WIN32
711	#include <WinNT.h>	771	#include <WinNT.h>
712	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	772	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
713	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	773	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
714	#include <mbarrier.h>	774	#include <mbarrier.h>
715	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	775	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
716	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	776	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
717	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	777	#define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
		778	#define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
718	#elif __xlC__	779	#elif __xlC__
719	#define ECB_MEMORY_FENCE __sync ()	780	#define ECB_MEMORY_FENCE __sync ()
720	#endif	781	#endif
721	#endif	782	#endif
722		783
723	#ifndef ECB_MEMORY_FENCE	784	#ifndef ECB_MEMORY_FENCE
724	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	785	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
725	/* we assume that these memory fences work on all variables/all memory accesses, */	786	/* we assume that these memory fences work on all variables/all memory accesses, */
726	/* not just C11 atomics and atomic accesses */	787	/* not just C11 atomics and atomic accesses */
727	#include <stdatomic.h>	788	#include <stdatomic.h>
728	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
729	/* any fence other than seq_cst, which isn't very efficient for us. */
730	/* Why that is, we don't know - either the C11 memory model is quite useless */
731	/* for most usages, or gcc and clang have a bug */
732	/* I *currently* lean towards the latter, and inefficiently implement */
733	/* all three of ecb's fences as a seq_cst fence */
734	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
735	/* for all __atomic_thread_fence's except seq_cst */
736	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	789	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		790	#define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
		791	#define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
737	#endif	792	#endif
738	#endif	793	#endif
739		794
740	#ifndef ECB_MEMORY_FENCE	795	#ifndef ECB_MEMORY_FENCE
741	#if !ECB_AVOID_PTHREADS	796	#if !ECB_AVOID_PTHREADS
…		…
761		816
762	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	817	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
763	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	818	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
764	#endif	819	#endif
765		820
		821	#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
		822	#define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
		823	#endif
		824
766	/*****************************************************************************/	825	/*****************************************************************************/
767		826
768	#if __cplusplus	827	#if ECB_CPP
769	#define ecb_inline static inline	828	#define ecb_inline static inline
770	#elif ECB_GCC_VERSION(2,5)	829	#elif ECB_GCC_VERSION(2,5)
771	#define ecb_inline static __inline__	830	#define ecb_inline static __inline__
772	#elif ECB_C99	831	#elif ECB_C99
773	#define ecb_inline static inline	832	#define ecb_inline static inline
…		…
787		846
788	#define ECB_CONCAT_(a, b) a ## b	847	#define ECB_CONCAT_(a, b) a ## b
789	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	848	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
790	#define ECB_STRINGIFY_(a) # a	849	#define ECB_STRINGIFY_(a) # a
791	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	850	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		851	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
792		852
793	#define ecb_function_ ecb_inline	853	#define ecb_function_ ecb_inline
794		854
795	#if ECB_GCC_VERSION(3,1)	855	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
796	#define ecb_attribute(attrlist) __attribute__(attrlist)	856	#define ecb_attribute(attrlist) __attribute__ (attrlist)
797	#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	857	#else
801	#define ecb_attribute(attrlist)	858	#define ecb_attribute(attrlist)
		859	#endif
802		860
		861	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
		862	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		863	#else
803	/* possible C11 impl for integral types	864	/* possible C11 impl for integral types
804	typedef struct ecb_is_constant_struct ecb_is_constant_struct;	865	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)) */	866	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
806		867
807	#define ecb_is_constant(expr) 0	868	#define ecb_is_constant(expr) 0
		869	#endif
		870
		871	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
		872	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		873	#else
808	#define ecb_expect(expr,value) (expr)	874	#define ecb_expect(expr,value) (expr)
		875	#endif
		876
		877	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
		878	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		879	#else
809	#define ecb_prefetch(addr,rw,locality)	880	#define ecb_prefetch(addr,rw,locality)
810	#endif	881	#endif
811		882
812	/* no emulation for ecb_decltype */	883	/* no emulation for ecb_decltype */
813	#if ECB_GCC_VERSION(4,5)	884	#if ECB_CPP11
		885	// older implementations might have problems with decltype(x)::type, work around it
		886	template<class T> struct ecb_decltype_t { typedef T type; };
814	#define ecb_decltype(x) __decltype(x)	887	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
815	#elif ECB_GCC_VERSION(3,0)	888	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
816	#define ecb_decltype(x) __typeof(x)	889	#define ecb_decltype(x) __typeof__ (x)
817	#endif	890	#endif
818		891
819	#if _MSC_VER >= 1300	892	#if _MSC_VER >= 1300
820	#define ecb_deprecated __declspec(deprecated)	893	#define ecb_deprecated __declspec (deprecated)
821	#else	894	#else
822	#define ecb_deprecated ecb_attribute ((__deprecated__))	895	#define ecb_deprecated ecb_attribute ((__deprecated__))
823	#endif	896	#endif
824		897
		898	#if _MSC_VER >= 1500
		899	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		900	#elif ECB_GCC_VERSION(4,5)
		901	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		902	#else
		903	#define ecb_deprecated_message(msg) ecb_deprecated
		904	#endif
		905
		906	#if _MSC_VER >= 1400
		907	#define ecb_noinline __declspec (noinline)
		908	#else
825	#define ecb_noinline ecb_attribute ((__noinline__))	909	#define ecb_noinline ecb_attribute ((__noinline__))
		910	#endif
		911
826	#define ecb_unused ecb_attribute ((__unused__))	912	#define ecb_unused ecb_attribute ((__unused__))
827	#define ecb_const ecb_attribute ((__const__))	913	#define ecb_const ecb_attribute ((__const__))
828	#define ecb_pure ecb_attribute ((__pure__))	914	#define ecb_pure ecb_attribute ((__pure__))
829		915
830	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */	916	#if ECB_C11 || __IBMC_NORETURN
831	#if ECB_C11	917	/* 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	918	#define ecb_noreturn _Noreturn
		919	#elif ECB_CPP11
		920	#define ecb_noreturn [[noreturn]]
		921	#elif _MSC_VER >= 1200
		922	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		923	#define ecb_noreturn __declspec (noreturn)
833	#else	924	#else
834	#define ecb_noreturn ecb_attribute ((__noreturn__))	925	#define ecb_noreturn ecb_attribute ((__noreturn__))
835	#endif	926	#endif
836		927
837	#if ECB_GCC_VERSION(4,3)	928	#if ECB_GCC_VERSION(4,3)
…		…
852	/* for compatibility to the rest of the world */	943	/* for compatibility to the rest of the world */
853	#define ecb_likely(expr) ecb_expect_true (expr)	944	#define ecb_likely(expr) ecb_expect_true (expr)
854	#define ecb_unlikely(expr) ecb_expect_false (expr)	945	#define ecb_unlikely(expr) ecb_expect_false (expr)
855		946
856	/* count trailing zero bits and count # of one bits */	947	/* count trailing zero bits and count # of one bits */
857	#if ECB_GCC_VERSION(3,4)	948	#if ECB_GCC_VERSION(3,4) \
		949	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		950	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		951	&& ECB_CLANG_BUILTIN(__builtin_popcount))
858	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	952	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
859	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	953	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
860	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	954	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
861	#define ecb_ctz32(x) __builtin_ctz (x)	955	#define ecb_ctz32(x) __builtin_ctz (x)
862	#define ecb_ctz64(x) __builtin_ctzll (x)	956	#define ecb_ctz64(x) __builtin_ctzll (x)
863	#define ecb_popcount32(x) __builtin_popcount (x)	957	#define ecb_popcount32(x) __builtin_popcount (x)
864	/* no popcountll */	958	/* no popcountll */
865	#else	959	#else
866	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	960	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
867	ecb_function_ int	961	ecb_function_ ecb_const int
868	ecb_ctz32 (uint32_t x)	962	ecb_ctz32 (uint32_t x)
869	{	963	{
		964	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		965	unsigned long r;
		966	_BitScanForward (&r, x);
		967	return (int)r;
		968	#else
870	int r = 0;	969	int r = 0;
871		970
872	x &= ~x + 1; /* this isolates the lowest bit */	971	x &= ~x + 1; /* this isolates the lowest bit */
873		972
874	#if ECB_branchless_on_i386	973	#if ECB_branchless_on_i386
…		…
884	if (x & 0xff00ff00) r += 8;	983	if (x & 0xff00ff00) r += 8;
885	if (x & 0xffff0000) r += 16;	984	if (x & 0xffff0000) r += 16;
886	#endif	985	#endif
887		986
888	return r;	987	return r;
		988	#endif
889	}	989	}
890		990
891	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	991	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
892	ecb_function_ int	992	ecb_function_ ecb_const int
893	ecb_ctz64 (uint64_t x)	993	ecb_ctz64 (uint64_t x)
894	{	994	{
		995	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		996	unsigned long r;
		997	_BitScanForward64 (&r, x);
		998	return (int)r;
		999	#else
895	int shift = x & 0xffffffffU ? 0 : 32;	1000	int shift = x & 0xffffffff ? 0 : 32;
896	return ecb_ctz32 (x >> shift) + shift;	1001	return ecb_ctz32 (x >> shift) + shift;
		1002	#endif
897	}	1003	}
898		1004
899	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1005	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
900	ecb_function_ int	1006	ecb_function_ ecb_const int
901	ecb_popcount32 (uint32_t x)	1007	ecb_popcount32 (uint32_t x)
902	{	1008	{
903	x -= (x >> 1) & 0x55555555;	1009	x -= (x >> 1) & 0x55555555;
904	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1010	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
905	x = ((x >> 4) + x) & 0x0f0f0f0f;	1011	x = ((x >> 4) + x) & 0x0f0f0f0f;
906	x *= 0x01010101;	1012	x *= 0x01010101;
907		1013
908	return x >> 24;	1014	return x >> 24;
909	}	1015	}
910		1016
911	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1017	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
912	ecb_function_ int ecb_ld32 (uint32_t x)	1018	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
913	{	1019	{
		1020	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1021	unsigned long r;
		1022	_BitScanReverse (&r, x);
		1023	return (int)r;
		1024	#else
914	int r = 0;	1025	int r = 0;
915		1026
916	if (x >> 16) { x >>= 16; r += 16; }	1027	if (x >> 16) { x >>= 16; r += 16; }
917	if (x >> 8) { x >>= 8; r += 8; }	1028	if (x >> 8) { x >>= 8; r += 8; }
918	if (x >> 4) { x >>= 4; r += 4; }	1029	if (x >> 4) { x >>= 4; r += 4; }
919	if (x >> 2) { x >>= 2; r += 2; }	1030	if (x >> 2) { x >>= 2; r += 2; }
920	if (x >> 1) { r += 1; }	1031	if (x >> 1) { r += 1; }
921		1032
922	return r;	1033	return r;
		1034	#endif
923	}	1035	}
924		1036
925	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1037	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
926	ecb_function_ int ecb_ld64 (uint64_t x)	1038	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
927	{	1039	{
		1040	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1041	unsigned long r;
		1042	_BitScanReverse64 (&r, x);
		1043	return (int)r;
		1044	#else
928	int r = 0;	1045	int r = 0;
929		1046
930	if (x >> 32) { x >>= 32; r += 32; }	1047	if (x >> 32) { x >>= 32; r += 32; }
931		1048
932	return r + ecb_ld32 (x);	1049	return r + ecb_ld32 (x);
		1050	#endif
933	}	1051	}
934	#endif	1052	#endif
935		1053
936	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1054	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)); }	1055	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;	1056	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)); }	1057	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
940		1058
941	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1059	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
942	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1060	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
943	{	1061	{
944	return ( (x * 0x0802U & 0x22110U)	1062	return ( (x * 0x0802U & 0x22110U)
945	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1063	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
946	}	1064	}
947		1065
948	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1066	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
949	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1067	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
950	{	1068	{
951	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1069	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
952	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1070	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
953	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1071	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
954	x = ( x >> 8 ) | ( x << 8);	1072	x = ( x >> 8 ) | ( x << 8);
955		1073
956	return x;	1074	return x;
957	}	1075	}
958		1076
959	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1077	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
960	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1078	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
961	{	1079	{
962	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1080	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
963	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1081	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
964	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1082	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
965	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1083	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
968	return x;	1086	return x;
969	}	1087	}
970		1088
971	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1089	/* popcount64 is only available on 64 bit cpus as gcc builtin */
972	/* so for this version we are lazy */	1090	/* so for this version we are lazy */
973	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1091	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
974	ecb_function_ int	1092	ecb_function_ ecb_const int
975	ecb_popcount64 (uint64_t x)	1093	ecb_popcount64 (uint64_t x)
976	{	1094	{
977	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1095	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
978	}	1096	}
979		1097
980	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1098	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;	1099	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;	1100	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;	1101	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;	1102	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;	1103	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;	1104	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;	1105	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
988		1106
989	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1107	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); }	1108	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); }	1109	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); }	1110	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); }	1111	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); }	1112	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); }	1113	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); }	1114	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
997		1115
998	#if ECB_GCC_VERSION(4,3)	1116	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1117	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1118	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1119	#else
999	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1120	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1121	#endif
1000	#define ecb_bswap32(x) __builtin_bswap32 (x)	1122	#define ecb_bswap32(x) __builtin_bswap32 (x)
1001	#define ecb_bswap64(x) __builtin_bswap64 (x)	1123	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1124	#elif _MSC_VER
		1125	#include <stdlib.h>
		1126	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1127	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1128	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
1002	#else	1129	#else
1003	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1130	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
1004	ecb_function_ uint16_t	1131	ecb_function_ ecb_const uint16_t
1005	ecb_bswap16 (uint16_t x)	1132	ecb_bswap16 (uint16_t x)
1006	{	1133	{
1007	return ecb_rotl16 (x, 8);	1134	return ecb_rotl16 (x, 8);
1008	}	1135	}
1009		1136
1010	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1137	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
1011	ecb_function_ uint32_t	1138	ecb_function_ ecb_const uint32_t
1012	ecb_bswap32 (uint32_t x)	1139	ecb_bswap32 (uint32_t x)
1013	{	1140	{
1014	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1141	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
1015	}	1142	}
1016		1143
1017	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1144	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1018	ecb_function_ uint64_t	1145	ecb_function_ ecb_const uint64_t
1019	ecb_bswap64 (uint64_t x)	1146	ecb_bswap64 (uint64_t x)
1020	{	1147	{
1021	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1148	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1022	}	1149	}
1023	#endif	1150	#endif
1024		1151
1025	#if ECB_GCC_VERSION(4,5)	1152	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1026	#define ecb_unreachable() __builtin_unreachable ()	1153	#define ecb_unreachable() __builtin_unreachable ()
1027	#else	1154	#else
1028	/* this seems to work fine, but gcc always emits a warning for it :/ */	1155	/* this seems to work fine, but gcc always emits a warning for it :/ */
1029	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1156	ecb_inline ecb_noreturn void ecb_unreachable (void);
1030	ecb_inline void ecb_unreachable (void) { }	1157	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1031	#endif	1158	#endif
1032		1159
1033	/* try to tell the compiler that some condition is definitely true */	1160	/* try to tell the compiler that some condition is definitely true */
1034	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1161	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1035		1162
1036	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1163	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1037	ecb_inline unsigned char	1164	ecb_inline ecb_const uint32_t
1038	ecb_byteorder_helper (void)	1165	ecb_byteorder_helper (void)
1039	{	1166	{
1040	/* the union code still generates code under pressure in gcc, */	1167	/* the union code still generates code under pressure in gcc, */
1041	/* but less than using pointers, and always seems to */	1168	/* but less than using pointers, and always seems to */
1042	/* successfully return a constant. */	1169	/* successfully return a constant. */
1043	/* the reason why we have this horrible preprocessor mess */	1170	/* the reason why we have this horrible preprocessor mess */
1044	/* is to avoid it in all cases, at least on common architectures */	1171	/* is to avoid it in all cases, at least on common architectures */
1045	/* or when using a recent enough gcc version (>= 4.6) */	1172	/* 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__	1173	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1174	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1175	#define ECB_LITTLE_ENDIAN 1
1049	return 0x44;	1176	return 0x44332211;
1050	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1177	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1178	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1179	#define ECB_BIG_ENDIAN 1
1051	return 0x11;	1180	return 0x11223344;
1052	#else	1181	#else
1053	union	1182	union
1054	{	1183	{
		1184	uint8_t c[4];
1055	uint32_t i;	1185	uint32_t u;
1056	uint8_t c;
1057	} u = { 0x11223344 };	1186	} u = { 0x11, 0x22, 0x33, 0x44 };
1058	return u.c;	1187	return u.u;
1059	#endif	1188	#endif
1060	}	1189	}
1061		1190
1062	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1191	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1063	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1192	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;	1193	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1065	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1194	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1066		1195
1067	#if ECB_GCC_VERSION(3,0) || ECB_C99	1196	#if ECB_GCC_VERSION(3,0) || ECB_C99
1068	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1197	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1069	#else	1198	#else
1070	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1199	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1071	#endif	1200	#endif
1072		1201
1073	#if __cplusplus	1202	#if ECB_CPP
1074	template<typename T>	1203	template<typename T>
1075	static inline T ecb_div_rd (T val, T div)	1204	static inline T ecb_div_rd (T val, T div)
1076	{	1205	{
1077	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1206	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1078	}	1207	}
…		…
1095	}	1224	}
1096	#else	1225	#else
1097	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1226	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1098	#endif	1227	#endif
1099		1228
		1229	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1230	ecb_function_ ecb_const uint32_t
		1231	ecb_binary16_to_binary32 (uint32_t x)
		1232	{
		1233	unsigned int s = (x & 0x8000) << (31 - 15);
		1234	int e = (x >> 10) & 0x001f;
		1235	unsigned int m = x & 0x03ff;
		1236
		1237	if (ecb_expect_false (e == 31))
		1238	/* infinity or NaN */
		1239	e = 255 - (127 - 15);
		1240	else if (ecb_expect_false (!e))
		1241	{
		1242	if (ecb_expect_true (!m))
		1243	/* zero, handled by code below by forcing e to 0 */
		1244	e = 0 - (127 - 15);
		1245	else
		1246	{
		1247	/* subnormal, renormalise */
		1248	unsigned int s = 10 - ecb_ld32 (m);
		1249
		1250	m = (m << s) & 0x3ff; /* mask implicit bit */
		1251	e -= s - 1;
		1252	}
		1253	}
		1254
		1255	/* e and m now are normalised, or zero, (or inf or nan) */
		1256	e += 127 - 15;
		1257
		1258	return s | (e << 23) | (m << (23 - 10));
		1259	}
		1260
		1261	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1262	ecb_function_ ecb_const uint16_t
		1263	ecb_binary32_to_binary16 (uint32_t x)
		1264	{
		1265	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1266	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1267	unsigned int m = x & 0x007fffff;
		1268
		1269	x &= 0x7fffffff;
		1270
		1271	/* if it's within range of binary16 normals, use fast path */
		1272	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1273	{
		1274	/* mantissa round-to-even */
		1275	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1276
		1277	/* handle overflow */
		1278	if (ecb_expect_false (m >= 0x00800000))
		1279	{
		1280	m >>= 1;
		1281	e += 1;
		1282	}
		1283
		1284	return s | (e << 10) | (m >> (23 - 10));
		1285	}
		1286
		1287	/* handle large numbers and infinity */
		1288	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1289	return s | 0x7c00;
		1290
		1291	/* handle zero, subnormals and small numbers */
		1292	if (ecb_expect_true (x < 0x38800000))
		1293	{
		1294	/* zero */
		1295	if (ecb_expect_true (!x))
		1296	return s;
		1297
		1298	/* handle subnormals */
		1299
		1300	/* too small, will be zero */
		1301	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1302	return s;
		1303
		1304	m |= 0x00800000; /* make implicit bit explicit */
		1305
		1306	/* very tricky - we need to round to the nearest e (+10) bit value */
		1307	{
		1308	unsigned int bits = 14 - e;
		1309	unsigned int half = (1 << (bits - 1)) - 1;
		1310	unsigned int even = (m >> bits) & 1;
		1311
		1312	/* if this overflows, we will end up with a normalised number */
		1313	m = (m + half + even) >> bits;
		1314	}
		1315
		1316	return s | m;
		1317	}
		1318
		1319	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1320	m >>= 13;
		1321
		1322	return s | 0x7c00 | m | !m;
		1323	}
		1324
1100	/*******************************************************************************/	1325	/*******************************************************************************/
1101	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1326	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1102		1327
1103	/* basically, everything uses "ieee pure-endian" floating point numbers */	1328	/* basically, everything uses "ieee pure-endian" floating point numbers */
1104	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1329	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1105	#if 0 \	1330	#if 0 \
1106	|| __i386 || __i386__ \	1331	|| __i386 || __i386__ \
1107	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1332	|| ECB_GCC_AMD64 \
1108	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1333	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1109	|| defined __s390__ || defined __s390x__ \	1334	|| defined __s390__ || defined __s390x__ \
1110	|| defined __mips__ \	1335	|| defined __mips__ \
1111	|| defined __alpha__ \	1336	|| defined __alpha__ \
1112	|| defined __hppa__ \	1337	|| defined __hppa__ \
1113	|| defined __ia64__ \	1338	|| defined __ia64__ \
1114	|| defined __m68k__ \	1339	|| defined __m68k__ \
1115	|| defined __m88k__ \	1340	|| defined __m88k__ \
1116	|| defined __sh__ \	1341	|| defined __sh__ \
1117	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1342	|| 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__)) \	1343	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1119	|| defined __aarch64__	1344	|| defined __aarch64__
1120	#define ECB_STDFP 1	1345	#define ECB_STDFP 1
1121	#include <string.h> /* for memcpy */	1346	#include <string.h> /* for memcpy */
1122	#else	1347	#else
…		…
1138	#define ECB_NAN NAN	1363	#define ECB_NAN NAN
1139	#else	1364	#else
1140	#define ECB_NAN ECB_INFINITY	1365	#define ECB_NAN ECB_INFINITY
1141	#endif	1366	#endif
1142		1367
1143	/* converts an ieee half/binary16 to a float */	1368	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1144	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1369	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1145	ecb_function_ float	1370	#define ecb_frexpf(x,e) frexpf ((x), (e))
1146	ecb_binary16_to_float (uint16_t x)	1371	#else
1147	{	1372	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1148	int e = (x >> 10) & 0x1f;	1373	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1149	int m = x & 0x3ff;	1374	#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		1375
1160	/* convert a float to ieee single/binary32 */	1376	/* convert a float to ieee single/binary32 */
1161	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1377	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1162	ecb_function_ uint32_t	1378	ecb_function_ ecb_const uint32_t
1163	ecb_float_to_binary32 (float x)	1379	ecb_float_to_binary32 (float x)
1164	{	1380	{
1165	uint32_t r;	1381	uint32_t r;
1166		1382
1167	#if ECB_STDFP	1383	#if ECB_STDFP
…		…
1174	if (x == 0e0f ) return 0x00000000U;	1390	if (x == 0e0f ) return 0x00000000U;
1175	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1391	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1176	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1392	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1177	if (x != x ) return 0x7fbfffffU;	1393	if (x != x ) return 0x7fbfffffU;
1178		1394
1179	m = frexpf (x, &e) * 0x1000000U;	1395	m = ecb_frexpf (x, &e) * 0x1000000U;
1180		1396
1181	r = m & 0x80000000U;	1397	r = m & 0x80000000U;
1182		1398
1183	if (r)	1399	if (r)
1184	m = -m;	1400	m = -m;
…		…
1196		1412
1197	return r;	1413	return r;
1198	}	1414	}
1199		1415
1200	/* converts an ieee single/binary32 to a float */	1416	/* converts an ieee single/binary32 to a float */
1201	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1417	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1202	ecb_function_ float	1418	ecb_function_ ecb_const float
1203	ecb_binary32_to_float (uint32_t x)	1419	ecb_binary32_to_float (uint32_t x)
1204	{	1420	{
1205	float r;	1421	float r;
1206		1422
1207	#if ECB_STDFP	1423	#if ECB_STDFP
…		…
1217	x |= 0x800000U;	1433	x |= 0x800000U;
1218	else	1434	else
1219	e = 1;	1435	e = 1;
1220		1436
1221	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1437	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1222	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1438	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1223		1439
1224	r = neg ? -r : r;	1440	r = neg ? -r : r;
1225	#endif	1441	#endif
1226		1442
1227	return r;	1443	return r;
1228	}	1444	}
1229		1445
1230	/* convert a double to ieee double/binary64 */	1446	/* convert a double to ieee double/binary64 */
1231	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1447	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1232	ecb_function_ uint64_t	1448	ecb_function_ ecb_const uint64_t
1233	ecb_double_to_binary64 (double x)	1449	ecb_double_to_binary64 (double x)
1234	{	1450	{
1235	uint64_t r;	1451	uint64_t r;
1236		1452
1237	#if ECB_STDFP	1453	#if ECB_STDFP
…		…
1266		1482
1267	return r;	1483	return r;
1268	}	1484	}
1269		1485
1270	/* converts an ieee double/binary64 to a double */	1486	/* converts an ieee double/binary64 to a double */
1271	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1487	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1272	ecb_function_ double	1488	ecb_function_ ecb_const double
1273	ecb_binary64_to_double (uint64_t x)	1489	ecb_binary64_to_double (uint64_t x)
1274	{	1490	{
1275	double r;	1491	double r;
1276		1492
1277	#if ECB_STDFP	1493	#if ECB_STDFP
…		…
1293		1509
1294	r = neg ? -r : r;	1510	r = neg ? -r : r;
1295	#endif	1511	#endif
1296		1512
1297	return r;	1513	return r;
		1514	}
		1515
		1516	/* convert a float to ieee half/binary16 */
		1517	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1518	ecb_function_ ecb_const uint16_t
		1519	ecb_float_to_binary16 (float x)
		1520	{
		1521	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1522	}
		1523
		1524	/* convert an ieee half/binary16 to float */
		1525	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1526	ecb_function_ ecb_const float
		1527	ecb_binary16_to_float (uint16_t x)
		1528	{
		1529	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1298	}	1530	}
1299		1531
1300	#endif	1532	#endif
1301		1533
1302	#endif	1534	#endif
…		…
1327	#define inline_size ecb_inline	1559	#define inline_size ecb_inline
1328		1560
1329	#if EV_FEATURE_CODE	1561	#if EV_FEATURE_CODE
1330	# define inline_speed ecb_inline	1562	# define inline_speed ecb_inline
1331	#else	1563	#else
1332	# define inline_speed static noinline	1564	# define inline_speed noinline static
1333	#endif	1565	#endif
1334		1566
1335	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1567	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1336		1568
1337	#if EV_MINPRI == EV_MAXPRI	1569	#if EV_MINPRI == EV_MAXPRI
1338	# define ABSPRI(w) (((W)w), 0)	1570	# define ABSPRI(w) (((W)w), 0)
1339	#else	1571	#else
1340	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1572	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1341	#endif	1573	#endif
1342		1574
1343	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1575	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1344	#define EMPTY2(a,b) /* used to suppress some warnings */
1345		1576
1346	typedef ev_watcher *W;	1577	typedef ev_watcher *W;
1347	typedef ev_watcher_list *WL;	1578	typedef ev_watcher_list *WL;
1348	typedef ev_watcher_time *WT;	1579	typedef ev_watcher_time *WT;
1349		1580
…		…
1374	# include "ev_win32.c"	1605	# include "ev_win32.c"
1375	#endif	1606	#endif
1376		1607
1377	/*****************************************************************************/	1608	/*****************************************************************************/
1378		1609
		1610	#if EV_USE_LINUXAIO
		1611	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1612	#endif
		1613
1379	/* define a suitable floor function (only used by periodics atm) */	1614	/* define a suitable floor function (only used by periodics atm) */
1380		1615
1381	#if EV_USE_FLOOR	1616	#if EV_USE_FLOOR
1382	# include <math.h>	1617	# include <math.h>
1383	# define ev_floor(v) floor (v)	1618	# define ev_floor(v) floor (v)
1384	#else	1619	#else
1385		1620
1386	#include <float.h>	1621	#include <float.h>
1387		1622
1388	/* a floor() replacement function, should be independent of ev_tstamp type */	1623	/* a floor() replacement function, should be independent of ev_tstamp type */
		1624	noinline
1389	static ev_tstamp noinline	1625	static ev_tstamp
1390	ev_floor (ev_tstamp v)	1626	ev_floor (ev_tstamp v)
1391	{	1627	{
1392	/* the choice of shift factor is not terribly important */	1628	/* the choice of shift factor is not terribly important */
1393	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1629	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1394	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1630	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1426		1662
1427	#ifdef __linux	1663	#ifdef __linux
1428	# include <sys/utsname.h>	1664	# include <sys/utsname.h>
1429	#endif	1665	#endif
1430		1666
1431	static unsigned int noinline ecb_cold	1667	noinline ecb_cold
		1668	static unsigned int
1432	ev_linux_version (void)	1669	ev_linux_version (void)
1433	{	1670	{
1434	#ifdef __linux	1671	#ifdef __linux
1435	unsigned int v = 0;	1672	unsigned int v = 0;
1436	struct utsname buf;	1673	struct utsname buf;
…		…
1465	}	1702	}
1466		1703
1467	/*****************************************************************************/	1704	/*****************************************************************************/
1468		1705
1469	#if EV_AVOID_STDIO	1706	#if EV_AVOID_STDIO
1470	static void noinline ecb_cold	1707	noinline ecb_cold
		1708	static void
1471	ev_printerr (const char *msg)	1709	ev_printerr (const char *msg)
1472	{	1710	{
1473	write (STDERR_FILENO, msg, strlen (msg));	1711	write (STDERR_FILENO, msg, strlen (msg));
1474	}	1712	}
1475	#endif	1713	#endif
1476		1714
1477	static void (*syserr_cb)(const char *msg) EV_THROW;	1715	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1478		1716
1479	void ecb_cold	1717	ecb_cold
		1718	void
1480	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1719	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1481	{	1720	{
1482	syserr_cb = cb;	1721	syserr_cb = cb;
1483	}	1722	}
1484		1723
1485	static void noinline ecb_cold	1724	noinline ecb_cold
		1725	static void
1486	ev_syserr (const char *msg)	1726	ev_syserr (const char *msg)
1487	{	1727	{
1488	if (!msg)	1728	if (!msg)
1489	msg = "(libev) system error";	1729	msg = "(libev) system error";
1490		1730
…		…
1503	abort ();	1743	abort ();
1504	}	1744	}
1505	}	1745	}
1506		1746
1507	static void *	1747	static void *
1508	ev_realloc_emul (void *ptr, long size) EV_THROW	1748	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1509	{	1749	{
1510	/* some systems, notably openbsd and darwin, fail to properly	1750	/* some systems, notably openbsd and darwin, fail to properly
1511	* implement realloc (x, 0) (as required by both ansi c-89 and	1751	* implement realloc (x, 0) (as required by both ansi c-89 and
1512	* the single unix specification, so work around them here.	1752	* the single unix specification, so work around them here.
1513	* recently, also (at least) fedora and debian started breaking it,	1753	* recently, also (at least) fedora and debian started breaking it,
…		…
1519		1759
1520	free (ptr);	1760	free (ptr);
1521	return 0;	1761	return 0;
1522	}	1762	}
1523		1763
1524	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1764	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1525		1765
1526	void ecb_cold	1766	ecb_cold
		1767	void
1527	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1768	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1528	{	1769	{
1529	alloc = cb;	1770	alloc = cb;
1530	}	1771	}
1531		1772
1532	inline_speed void *	1773	inline_speed void *
…		…
1559	typedef struct	1800	typedef struct
1560	{	1801	{
1561	WL head;	1802	WL head;
1562	unsigned char events; /* the events watched for */	1803	unsigned char events; /* the events watched for */
1563	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1804	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 */	1805	unsigned char emask; /* some backends store the actual kernel mask in here */
1565	unsigned char unused;	1806	unsigned char unused;
1566	#if EV_USE_EPOLL	1807	#if EV_USE_EPOLL
1567	unsigned int egen; /* generation counter to counter epoll bugs */	1808	unsigned int egen; /* generation counter to counter epoll bugs */
1568	#endif	1809	#endif
1569	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1810	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1649		1890
1650	/*****************************************************************************/	1891	/*****************************************************************************/
1651		1892
1652	#ifndef EV_HAVE_EV_TIME	1893	#ifndef EV_HAVE_EV_TIME
1653	ev_tstamp	1894	ev_tstamp
1654	ev_time (void) EV_THROW	1895	ev_time (void) EV_NOEXCEPT
1655	{	1896	{
1656	#if EV_USE_REALTIME	1897	#if EV_USE_REALTIME
1657	if (expect_true (have_realtime))	1898	if (expect_true (have_realtime))
1658	{	1899	{
1659	struct timespec ts;	1900	struct timespec ts;
…		…
1683	return ev_time ();	1924	return ev_time ();
1684	}	1925	}
1685		1926
1686	#if EV_MULTIPLICITY	1927	#if EV_MULTIPLICITY
1687	ev_tstamp	1928	ev_tstamp
1688	ev_now (EV_P) EV_THROW	1929	ev_now (EV_P) EV_NOEXCEPT
1689	{	1930	{
1690	return ev_rt_now;	1931	return ev_rt_now;
1691	}	1932	}
1692	#endif	1933	#endif
1693		1934
1694	void	1935	void
1695	ev_sleep (ev_tstamp delay) EV_THROW	1936	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1696	{	1937	{
1697	if (delay > 0.)	1938	if (delay > 0.)
1698	{	1939	{
1699	#if EV_USE_NANOSLEEP	1940	#if EV_USE_NANOSLEEP
1700	struct timespec ts;	1941	struct timespec ts;
1701		1942
1702	EV_TS_SET (ts, delay);	1943	EV_TS_SET (ts, delay);
1703	nanosleep (&ts, 0);	1944	nanosleep (&ts, 0);
1704	#elif defined _WIN32	1945	#elif defined _WIN32
		1946	/* maybe this should round up, as ms is very low resolution */
		1947	/* compared to select (µs) or nanosleep (ns) */
1705	Sleep ((unsigned long)(delay * 1e3));	1948	Sleep ((unsigned long)(delay * 1e3));
1706	#else	1949	#else
1707	struct timeval tv;	1950	struct timeval tv;
1708		1951
1709	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1952	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1740	}	1983	}
1741		1984
1742	return ncur;	1985	return ncur;
1743	}	1986	}
1744		1987
1745	static void * noinline ecb_cold	1988	noinline ecb_cold
		1989	static void *
1746	array_realloc (int elem, void *base, int *cur, int cnt)	1990	array_realloc (int elem, void *base, int *cur, int cnt)
1747	{	1991	{
1748	*cur = array_nextsize (elem, *cur, cnt);	1992	*cur = array_nextsize (elem, *cur, cnt);
1749	return ev_realloc (base, elem * *cur);	1993	return ev_realloc (base, elem * *cur);
1750	}	1994	}
1751		1995
		1996	#define array_needsize_noinit(base,offset,count)
		1997
1752	#define array_init_zero(base,count) \	1998	#define array_needsize_zerofill(base,offset,count) \
1753	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1999	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1754		2000
1755	#define array_needsize(type,base,cur,cnt,init) \	2001	#define array_needsize(type,base,cur,cnt,init) \
1756	if (expect_false ((cnt) > (cur))) \	2002	if (expect_false ((cnt) > (cur))) \
1757	{ \	2003	{ \
1758	int ecb_unused ocur_ = (cur); \	2004	ecb_unused int ocur_ = (cur); \
1759	(base) = (type *)array_realloc \	2005	(base) = (type *)array_realloc \
1760	(sizeof (type), (base), &(cur), (cnt)); \	2006	(sizeof (type), (base), &(cur), (cnt)); \
1761	init ((base) + (ocur_), (cur) - ocur_); \	2007	init ((base), ocur_, ((cur) - ocur_)); \
1762	}	2008	}
1763		2009
1764	#if 0	2010	#if 0
1765	#define array_slim(type,stem) \	2011	#define array_slim(type,stem) \
1766	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2012	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
…		…
1775	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2021	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1776		2022
1777	/*****************************************************************************/	2023	/*****************************************************************************/
1778		2024
1779	/* dummy callback for pending events */	2025	/* dummy callback for pending events */
1780	static void noinline	2026	noinline
		2027	static void
1781	pendingcb (EV_P_ ev_prepare *w, int revents)	2028	pendingcb (EV_P_ ev_prepare *w, int revents)
1782	{	2029	{
1783	}	2030	}
1784		2031
1785	void noinline	2032	noinline
		2033	void
1786	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2034	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1787	{	2035	{
1788	W w_ = (W)w;	2036	W w_ = (W)w;
1789	int pri = ABSPRI (w_);	2037	int pri = ABSPRI (w_);
1790		2038
1791	if (expect_false (w_->pending))	2039	if (expect_false (w_->pending))
1792	pendings [pri][w_->pending - 1].events |= revents;	2040	pendings [pri][w_->pending - 1].events |= revents;
1793	else	2041	else
1794	{	2042	{
1795	w_->pending = ++pendingcnt [pri];	2043	w_->pending = ++pendingcnt [pri];
1796	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2044	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1797	pendings [pri][w_->pending - 1].w = w_;	2045	pendings [pri][w_->pending - 1].w = w_;
1798	pendings [pri][w_->pending - 1].events = revents;	2046	pendings [pri][w_->pending - 1].events = revents;
1799	}	2047	}
1800		2048
1801	pendingpri = NUMPRI - 1;	2049	pendingpri = NUMPRI - 1;
1802	}	2050	}
1803		2051
1804	inline_speed void	2052	inline_speed void
1805	feed_reverse (EV_P_ W w)	2053	feed_reverse (EV_P_ W w)
1806	{	2054	{
1807	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2055	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1808	rfeeds [rfeedcnt++] = w;	2056	rfeeds [rfeedcnt++] = w;
1809	}	2057	}
1810		2058
1811	inline_size void	2059	inline_size void
1812	feed_reverse_done (EV_P_ int revents)	2060	feed_reverse_done (EV_P_ int revents)
…		…
1852	if (expect_true (!anfd->reify))	2100	if (expect_true (!anfd->reify))
1853	fd_event_nocheck (EV_A_ fd, revents);	2101	fd_event_nocheck (EV_A_ fd, revents);
1854	}	2102	}
1855		2103
1856	void	2104	void
1857	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2105	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1858	{	2106	{
1859	if (fd >= 0 && fd < anfdmax)	2107	if (fd >= 0 && fd < anfdmax)
1860	fd_event_nocheck (EV_A_ fd, revents);	2108	fd_event_nocheck (EV_A_ fd, revents);
1861	}	2109	}
1862		2110
…		…
1899	ev_io *w;	2147	ev_io *w;
1900		2148
1901	unsigned char o_events = anfd->events;	2149	unsigned char o_events = anfd->events;
1902	unsigned char o_reify = anfd->reify;	2150	unsigned char o_reify = anfd->reify;
1903		2151
1904	anfd->reify = 0;	2152	anfd->reify = 0;
1905		2153
1906	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2154	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1907	{	2155	{
1908	anfd->events = 0;	2156	anfd->events = 0;
1909		2157
…		…
1920		2168
1921	fdchangecnt = 0;	2169	fdchangecnt = 0;
1922	}	2170	}
1923		2171
1924	/* something about the given fd changed */	2172	/* something about the given fd changed */
1925	inline_size void	2173	inline_size
		2174	void
1926	fd_change (EV_P_ int fd, int flags)	2175	fd_change (EV_P_ int fd, int flags)
1927	{	2176	{
1928	unsigned char reify = anfds [fd].reify;	2177	unsigned char reify = anfds [fd].reify;
1929	anfds [fd].reify |= flags;	2178	anfds [fd].reify |= flags;
1930		2179
1931	if (expect_true (!reify))	2180	if (expect_true (!reify))
1932	{	2181	{
1933	++fdchangecnt;	2182	++fdchangecnt;
1934	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2183	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1935	fdchanges [fdchangecnt - 1] = fd;	2184	fdchanges [fdchangecnt - 1] = fd;
1936	}	2185	}
1937	}	2186	}
1938		2187
1939	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2188	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1940	inline_speed void ecb_cold	2189	inline_speed ecb_cold void
1941	fd_kill (EV_P_ int fd)	2190	fd_kill (EV_P_ int fd)
1942	{	2191	{
1943	ev_io *w;	2192	ev_io *w;
1944		2193
1945	while ((w = (ev_io *)anfds [fd].head))	2194	while ((w = (ev_io *)anfds [fd].head))
…		…
1948	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2197	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1949	}	2198	}
1950	}	2199	}
1951		2200
1952	/* check whether the given fd is actually valid, for error recovery */	2201	/* check whether the given fd is actually valid, for error recovery */
1953	inline_size int ecb_cold	2202	inline_size ecb_cold int
1954	fd_valid (int fd)	2203	fd_valid (int fd)
1955	{	2204	{
1956	#ifdef _WIN32	2205	#ifdef _WIN32
1957	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2206	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1958	#else	2207	#else
1959	return fcntl (fd, F_GETFD) != -1;	2208	return fcntl (fd, F_GETFD) != -1;
1960	#endif	2209	#endif
1961	}	2210	}
1962		2211
1963	/* called on EBADF to verify fds */	2212	/* called on EBADF to verify fds */
1964	static void noinline ecb_cold	2213	noinline ecb_cold
		2214	static void
1965	fd_ebadf (EV_P)	2215	fd_ebadf (EV_P)
1966	{	2216	{
1967	int fd;	2217	int fd;
1968		2218
1969	for (fd = 0; fd < anfdmax; ++fd)	2219	for (fd = 0; fd < anfdmax; ++fd)
…		…
1971	if (!fd_valid (fd) && errno == EBADF)	2221	if (!fd_valid (fd) && errno == EBADF)
1972	fd_kill (EV_A_ fd);	2222	fd_kill (EV_A_ fd);
1973	}	2223	}
1974		2224
1975	/* called on ENOMEM in select/poll to kill some fds and retry */	2225	/* called on ENOMEM in select/poll to kill some fds and retry */
1976	static void noinline ecb_cold	2226	noinline ecb_cold
		2227	static void
1977	fd_enomem (EV_P)	2228	fd_enomem (EV_P)
1978	{	2229	{
1979	int fd;	2230	int fd;
1980		2231
1981	for (fd = anfdmax; fd--; )	2232	for (fd = anfdmax; fd--; )
…		…
1985	break;	2236	break;
1986	}	2237	}
1987	}	2238	}
1988		2239
1989	/* usually called after fork if backend needs to re-arm all fds from scratch */	2240	/* usually called after fork if backend needs to re-arm all fds from scratch */
1990	static void noinline	2241	noinline
		2242	static void
1991	fd_rearm_all (EV_P)	2243	fd_rearm_all (EV_P)
1992	{	2244	{
1993	int fd;	2245	int fd;
1994		2246
1995	for (fd = 0; fd < anfdmax; ++fd)	2247	for (fd = 0; fd < anfdmax; ++fd)
…		…
2176		2428
2177	/*****************************************************************************/	2429	/*****************************************************************************/
2178		2430
2179	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2431	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2180		2432
2181	static void noinline ecb_cold	2433	noinline ecb_cold
		2434	static void
2182	evpipe_init (EV_P)	2435	evpipe_init (EV_P)
2183	{	2436	{
2184	if (!ev_is_active (&pipe_w))	2437	if (!ev_is_active (&pipe_w))
2185	{	2438	{
2186	int fds [2];	2439	int fds [2];
…		…
2257	#endif	2510	#endif
2258	{	2511	{
2259	#ifdef _WIN32	2512	#ifdef _WIN32
2260	WSABUF buf;	2513	WSABUF buf;
2261	DWORD sent;	2514	DWORD sent;
2262	buf.buf = &buf;	2515	buf.buf = (char *)&buf;
2263	buf.len = 1;	2516	buf.len = 1;
2264	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2517	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2265	#else	2518	#else
2266	write (evpipe [1], &(evpipe [1]), 1);	2519	write (evpipe [1], &(evpipe [1]), 1);
2267	#endif	2520	#endif
…		…
2339	}	2592	}
2340		2593
2341	/*****************************************************************************/	2594	/*****************************************************************************/
2342		2595
2343	void	2596	void
2344	ev_feed_signal (int signum) EV_THROW	2597	ev_feed_signal (int signum) EV_NOEXCEPT
2345	{	2598	{
2346	#if EV_MULTIPLICITY	2599	#if EV_MULTIPLICITY
2347	EV_P;	2600	EV_P;
2348	ECB_MEMORY_FENCE_ACQUIRE;	2601	ECB_MEMORY_FENCE_ACQUIRE;
2349	EV_A = signals [signum - 1].loop;	2602	EV_A = signals [signum - 1].loop;
…		…
2364	#endif	2617	#endif
2365		2618
2366	ev_feed_signal (signum);	2619	ev_feed_signal (signum);
2367	}	2620	}
2368		2621
2369	void noinline	2622	noinline
		2623	void
2370	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2624	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2371	{	2625	{
2372	WL w;	2626	WL w;
2373		2627
2374	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2628	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2375	return;	2629	return;
…		…
2484	# include "ev_kqueue.c"	2738	# include "ev_kqueue.c"
2485	#endif	2739	#endif
2486	#if EV_USE_EPOLL	2740	#if EV_USE_EPOLL
2487	# include "ev_epoll.c"	2741	# include "ev_epoll.c"
2488	#endif	2742	#endif
		2743	#if EV_USE_LINUXAIO
		2744	# include "ev_linuxaio.c"
		2745	#endif
2489	#if EV_USE_POLL	2746	#if EV_USE_POLL
2490	# include "ev_poll.c"	2747	# include "ev_poll.c"
2491	#endif	2748	#endif
2492	#if EV_USE_SELECT	2749	#if EV_USE_SELECT
2493	# include "ev_select.c"	2750	# include "ev_select.c"
2494	#endif	2751	#endif
2495		2752
2496	int ecb_cold	2753	ecb_cold int
2497	ev_version_major (void) EV_THROW	2754	ev_version_major (void) EV_NOEXCEPT
2498	{	2755	{
2499	return EV_VERSION_MAJOR;	2756	return EV_VERSION_MAJOR;
2500	}	2757	}
2501		2758
2502	int ecb_cold	2759	ecb_cold int
2503	ev_version_minor (void) EV_THROW	2760	ev_version_minor (void) EV_NOEXCEPT
2504	{	2761	{
2505	return EV_VERSION_MINOR;	2762	return EV_VERSION_MINOR;
2506	}	2763	}
2507		2764
2508	/* return true if we are running with elevated privileges and should ignore env variables */	2765	/* return true if we are running with elevated privileges and should ignore env variables */
2509	int inline_size ecb_cold	2766	inline_size ecb_cold int
2510	enable_secure (void)	2767	enable_secure (void)
2511	{	2768	{
2512	#ifdef _WIN32	2769	#ifdef _WIN32
2513	return 0;	2770	return 0;
2514	#else	2771	#else
2515	return getuid () != geteuid ()	2772	return getuid () != geteuid ()
2516	|| getgid () != getegid ();	2773	|| getgid () != getegid ();
2517	#endif	2774	#endif
2518	}	2775	}
2519		2776
2520	unsigned int ecb_cold	2777	ecb_cold
		2778	unsigned int
2521	ev_supported_backends (void) EV_THROW	2779	ev_supported_backends (void) EV_NOEXCEPT
2522	{	2780	{
2523	unsigned int flags = 0;	2781	unsigned int flags = 0;
2524		2782
2525	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2783	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2526	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2784	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2527	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2785	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2786	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2528	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2787	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2529	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2788	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2530		2789
2531	return flags;	2790	return flags;
2532	}	2791	}
2533		2792
2534	unsigned int ecb_cold	2793	ecb_cold
		2794	unsigned int
2535	ev_recommended_backends (void) EV_THROW	2795	ev_recommended_backends (void) EV_NOEXCEPT
2536	{	2796	{
2537	unsigned int flags = ev_supported_backends ();	2797	unsigned int flags = ev_supported_backends ();
2538		2798
2539	#ifndef __NetBSD__	2799	#ifndef __NetBSD__
2540	/* kqueue is borked on everything but netbsd apparently */	2800	/* kqueue is borked on everything but netbsd apparently */
…		…
2548	#endif	2808	#endif
2549	#ifdef __FreeBSD__	2809	#ifdef __FreeBSD__
2550	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2810	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2551	#endif	2811	#endif
2552		2812
		2813	/* TODO: linuxaio is very experimental */
		2814	#if !EV_RECOMMEND_LINUXAIO
		2815	flags &= ~EVBACKEND_LINUXAIO;
		2816	#endif
		2817
2553	return flags;	2818	return flags;
2554	}	2819	}
2555		2820
2556	unsigned int ecb_cold	2821	ecb_cold
		2822	unsigned int
2557	ev_embeddable_backends (void) EV_THROW	2823	ev_embeddable_backends (void) EV_NOEXCEPT
2558	{	2824	{
2559	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2825	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2560		2826
2561	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2827	/* 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 */	2828	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2564		2830
2565	return flags;	2831	return flags;
2566	}	2832	}
2567		2833
2568	unsigned int	2834	unsigned int
2569	ev_backend (EV_P) EV_THROW	2835	ev_backend (EV_P) EV_NOEXCEPT
2570	{	2836	{
2571	return backend;	2837	return backend;
2572	}	2838	}
2573		2839
2574	#if EV_FEATURE_API	2840	#if EV_FEATURE_API
2575	unsigned int	2841	unsigned int
2576	ev_iteration (EV_P) EV_THROW	2842	ev_iteration (EV_P) EV_NOEXCEPT
2577	{	2843	{
2578	return loop_count;	2844	return loop_count;
2579	}	2845	}
2580		2846
2581	unsigned int	2847	unsigned int
2582	ev_depth (EV_P) EV_THROW	2848	ev_depth (EV_P) EV_NOEXCEPT
2583	{	2849	{
2584	return loop_depth;	2850	return loop_depth;
2585	}	2851	}
2586		2852
2587	void	2853	void
2588	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2854	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2589	{	2855	{
2590	io_blocktime = interval;	2856	io_blocktime = interval;
2591	}	2857	}
2592		2858
2593	void	2859	void
2594	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2860	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2595	{	2861	{
2596	timeout_blocktime = interval;	2862	timeout_blocktime = interval;
2597	}	2863	}
2598		2864
2599	void	2865	void
2600	ev_set_userdata (EV_P_ void *data) EV_THROW	2866	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2601	{	2867	{
2602	userdata = data;	2868	userdata = data;
2603	}	2869	}
2604		2870
2605	void *	2871	void *
2606	ev_userdata (EV_P) EV_THROW	2872	ev_userdata (EV_P) EV_NOEXCEPT
2607	{	2873	{
2608	return userdata;	2874	return userdata;
2609	}	2875	}
2610		2876
2611	void	2877	void
2612	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2878	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2613	{	2879	{
2614	invoke_cb = invoke_pending_cb;	2880	invoke_cb = invoke_pending_cb;
2615	}	2881	}
2616		2882
2617	void	2883	void
2618	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW	2884	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2619	{	2885	{
2620	release_cb = release;	2886	release_cb = release;
2621	acquire_cb = acquire;	2887	acquire_cb = acquire;
2622	}	2888	}
2623	#endif	2889	#endif
2624		2890
2625	/* initialise a loop structure, must be zero-initialised */	2891	/* initialise a loop structure, must be zero-initialised */
2626	static void noinline ecb_cold	2892	noinline ecb_cold
		2893	static void
2627	loop_init (EV_P_ unsigned int flags) EV_THROW	2894	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2628	{	2895	{
2629	if (!backend)	2896	if (!backend)
2630	{	2897	{
2631	origflags = flags;	2898	origflags = flags;
2632		2899
…		…
2690		2957
2691	if (!(flags & EVBACKEND_MASK))	2958	if (!(flags & EVBACKEND_MASK))
2692	flags |= ev_recommended_backends ();	2959	flags |= ev_recommended_backends ();
2693		2960
2694	#if EV_USE_IOCP	2961	#if EV_USE_IOCP
2695	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	2962	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2696	#endif	2963	#endif
2697	#if EV_USE_PORT	2964	#if EV_USE_PORT
2698	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	2965	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2699	#endif	2966	#endif
2700	#if EV_USE_KQUEUE	2967	#if EV_USE_KQUEUE
2701	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	2968	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		2969	#endif
		2970	#if EV_USE_LINUXAIO
		2971	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2702	#endif	2972	#endif
2703	#if EV_USE_EPOLL	2973	#if EV_USE_EPOLL
2704	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	2974	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2705	#endif	2975	#endif
2706	#if EV_USE_POLL	2976	#if EV_USE_POLL
2707	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	2977	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2708	#endif	2978	#endif
2709	#if EV_USE_SELECT	2979	#if EV_USE_SELECT
2710	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	2980	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2711	#endif	2981	#endif
2712		2982
2713	ev_prepare_init (&pending_w, pendingcb);	2983	ev_prepare_init (&pending_w, pendingcb);
2714		2984
2715	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2985	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2718	#endif	2988	#endif
2719	}	2989	}
2720	}	2990	}
2721		2991
2722	/* free up a loop structure */	2992	/* free up a loop structure */
2723	void ecb_cold	2993	ecb_cold
		2994	void
2724	ev_loop_destroy (EV_P)	2995	ev_loop_destroy (EV_P)
2725	{	2996	{
2726	int i;	2997	int i;
2727		2998
2728	#if EV_MULTIPLICITY	2999	#if EV_MULTIPLICITY
…		…
2769		3040
2770	if (backend_fd >= 0)	3041	if (backend_fd >= 0)
2771	close (backend_fd);	3042	close (backend_fd);
2772		3043
2773	#if EV_USE_IOCP	3044	#if EV_USE_IOCP
2774	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3045	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2775	#endif	3046	#endif
2776	#if EV_USE_PORT	3047	#if EV_USE_PORT
2777	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3048	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2778	#endif	3049	#endif
2779	#if EV_USE_KQUEUE	3050	#if EV_USE_KQUEUE
2780	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3051	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3052	#endif
		3053	#if EV_USE_LINUXAIO
		3054	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2781	#endif	3055	#endif
2782	#if EV_USE_EPOLL	3056	#if EV_USE_EPOLL
2783	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3057	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2784	#endif	3058	#endif
2785	#if EV_USE_POLL	3059	#if EV_USE_POLL
2786	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3060	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2787	#endif	3061	#endif
2788	#if EV_USE_SELECT	3062	#if EV_USE_SELECT
2789	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3063	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2790	#endif	3064	#endif
2791		3065
2792	for (i = NUMPRI; i--; )	3066	for (i = NUMPRI; i--; )
2793	{	3067	{
2794	array_free (pending, [i]);	3068	array_free (pending, [i]);
…		…
2836		3110
2837	inline_size void	3111	inline_size void
2838	loop_fork (EV_P)	3112	loop_fork (EV_P)
2839	{	3113	{
2840	#if EV_USE_PORT	3114	#if EV_USE_PORT
2841	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3115	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2842	#endif	3116	#endif
2843	#if EV_USE_KQUEUE	3117	#if EV_USE_KQUEUE
2844	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3118	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3119	#endif
		3120	#if EV_USE_LINUXAIO
		3121	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2845	#endif	3122	#endif
2846	#if EV_USE_EPOLL	3123	#if EV_USE_EPOLL
2847	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3124	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2848	#endif	3125	#endif
2849	#if EV_USE_INOTIFY	3126	#if EV_USE_INOTIFY
2850	infy_fork (EV_A);	3127	infy_fork (EV_A);
2851	#endif	3128	#endif
2852		3129
2853	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3130	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2854	if (ev_is_active (&pipe_w))	3131	if (ev_is_active (&pipe_w) && postfork != 2)
2855	{	3132	{
2856	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3133	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2857		3134
2858	ev_ref (EV_A);	3135	ev_ref (EV_A);
2859	ev_io_stop (EV_A_ &pipe_w);	3136	ev_io_stop (EV_A_ &pipe_w);
…		…
2870	postfork = 0;	3147	postfork = 0;
2871	}	3148	}
2872		3149
2873	#if EV_MULTIPLICITY	3150	#if EV_MULTIPLICITY
2874		3151
		3152	ecb_cold
2875	struct ev_loop * ecb_cold	3153	struct ev_loop *
2876	ev_loop_new (unsigned int flags) EV_THROW	3154	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2877	{	3155	{
2878	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3156	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2879		3157
2880	memset (EV_A, 0, sizeof (struct ev_loop));	3158	memset (EV_A, 0, sizeof (struct ev_loop));
2881	loop_init (EV_A_ flags);	3159	loop_init (EV_A_ flags);
…		…
2888	}	3166	}
2889		3167
2890	#endif /* multiplicity */	3168	#endif /* multiplicity */
2891		3169
2892	#if EV_VERIFY	3170	#if EV_VERIFY
2893	static void noinline ecb_cold	3171	noinline ecb_cold
		3172	static void
2894	verify_watcher (EV_P_ W w)	3173	verify_watcher (EV_P_ W w)
2895	{	3174	{
2896	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3175	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2897		3176
2898	if (w->pending)	3177	if (w->pending)
2899	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3178	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2900	}	3179	}
2901		3180
2902	static void noinline ecb_cold	3181	noinline ecb_cold
		3182	static void
2903	verify_heap (EV_P_ ANHE *heap, int N)	3183	verify_heap (EV_P_ ANHE *heap, int N)
2904	{	3184	{
2905	int i;	3185	int i;
2906		3186
2907	for (i = HEAP0; i < N + HEAP0; ++i)	3187	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2912		3192
2913	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3193	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2914	}	3194	}
2915	}	3195	}
2916		3196
2917	static void noinline ecb_cold	3197	noinline ecb_cold
		3198	static void
2918	array_verify (EV_P_ W *ws, int cnt)	3199	array_verify (EV_P_ W *ws, int cnt)
2919	{	3200	{
2920	while (cnt--)	3201	while (cnt--)
2921	{	3202	{
2922	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3203	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2925	}	3206	}
2926	#endif	3207	#endif
2927		3208
2928	#if EV_FEATURE_API	3209	#if EV_FEATURE_API
2929	void ecb_cold	3210	void ecb_cold
2930	ev_verify (EV_P) EV_THROW	3211	ev_verify (EV_P) EV_NOEXCEPT
2931	{	3212	{
2932	#if EV_VERIFY	3213	#if EV_VERIFY
2933	int i;	3214	int i;
2934	WL w, w2;	3215	WL w, w2;
2935		3216
…		…
3011	#endif	3292	#endif
3012	}	3293	}
3013	#endif	3294	#endif
3014		3295
3015	#if EV_MULTIPLICITY	3296	#if EV_MULTIPLICITY
		3297	ecb_cold
3016	struct ev_loop * ecb_cold	3298	struct ev_loop *
3017	#else	3299	#else
3018	int	3300	int
3019	#endif	3301	#endif
3020	ev_default_loop (unsigned int flags) EV_THROW	3302	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3021	{	3303	{
3022	if (!ev_default_loop_ptr)	3304	if (!ev_default_loop_ptr)
3023	{	3305	{
3024	#if EV_MULTIPLICITY	3306	#if EV_MULTIPLICITY
3025	EV_P = ev_default_loop_ptr = &default_loop_struct;	3307	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3044		3326
3045	return ev_default_loop_ptr;	3327	return ev_default_loop_ptr;
3046	}	3328	}
3047		3329
3048	void	3330	void
3049	ev_loop_fork (EV_P) EV_THROW	3331	ev_loop_fork (EV_P) EV_NOEXCEPT
3050	{	3332	{
3051	postfork = 1;	3333	postfork = 1;
3052	}	3334	}
3053		3335
3054	/*****************************************************************************/	3336	/*****************************************************************************/
…		…
3058	{	3340	{
3059	EV_CB_INVOKE ((W)w, revents);	3341	EV_CB_INVOKE ((W)w, revents);
3060	}	3342	}
3061		3343
3062	unsigned int	3344	unsigned int
3063	ev_pending_count (EV_P) EV_THROW	3345	ev_pending_count (EV_P) EV_NOEXCEPT
3064	{	3346	{
3065	int pri;	3347	int pri;
3066	unsigned int count = 0;	3348	unsigned int count = 0;
3067		3349
3068	for (pri = NUMPRI; pri--; )	3350	for (pri = NUMPRI; pri--; )
3069	count += pendingcnt [pri];	3351	count += pendingcnt [pri];
3070		3352
3071	return count;	3353	return count;
3072	}	3354	}
3073		3355
3074	void noinline	3356	noinline
		3357	void
3075	ev_invoke_pending (EV_P)	3358	ev_invoke_pending (EV_P)
3076	{	3359	{
3077	pendingpri = NUMPRI;	3360	pendingpri = NUMPRI;
3078		3361
3079	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3362	do
3080	{	3363	{
3081	--pendingpri;	3364	--pendingpri;
3082		3365
		3366	/* pendingpri possibly gets modified in the inner loop */
3083	while (pendingcnt [pendingpri])	3367	while (pendingcnt [pendingpri])
3084	{	3368	{
3085	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3369	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3086		3370
3087	p->w->pending = 0;	3371	p->w->pending = 0;
3088	EV_CB_INVOKE (p->w, p->events);	3372	EV_CB_INVOKE (p->w, p->events);
3089	EV_FREQUENT_CHECK;	3373	EV_FREQUENT_CHECK;
3090	}	3374	}
3091	}	3375	}
		3376	while (pendingpri);
3092	}	3377	}
3093		3378
3094	#if EV_IDLE_ENABLE	3379	#if EV_IDLE_ENABLE
3095	/* make idle watchers pending. this handles the "call-idle */	3380	/* make idle watchers pending. this handles the "call-idle */
3096	/* only when higher priorities are idle" logic */	3381	/* only when higher priorities are idle" logic */
…		…
3154	}	3439	}
3155	}	3440	}
3156		3441
3157	#if EV_PERIODIC_ENABLE	3442	#if EV_PERIODIC_ENABLE
3158		3443
3159	static void noinline	3444	noinline
		3445	static void
3160	periodic_recalc (EV_P_ ev_periodic *w)	3446	periodic_recalc (EV_P_ ev_periodic *w)
3161	{	3447	{
3162	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3448	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);	3449	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3164		3450
…		…
3222	}	3508	}
3223	}	3509	}
3224		3510
3225	/* simply recalculate all periodics */	3511	/* simply recalculate all periodics */
3226	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3512	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3227	static void noinline ecb_cold	3513	noinline ecb_cold
		3514	static void
3228	periodics_reschedule (EV_P)	3515	periodics_reschedule (EV_P)
3229	{	3516	{
3230	int i;	3517	int i;
3231		3518
3232	/* adjust periodics after time jump */	3519	/* adjust periodics after time jump */
…		…
3245	reheap (periodics, periodiccnt);	3532	reheap (periodics, periodiccnt);
3246	}	3533	}
3247	#endif	3534	#endif
3248		3535
3249	/* adjust all timers by a given offset */	3536	/* adjust all timers by a given offset */
3250	static void noinline ecb_cold	3537	noinline ecb_cold
		3538	static void
3251	timers_reschedule (EV_P_ ev_tstamp adjust)	3539	timers_reschedule (EV_P_ ev_tstamp adjust)
3252	{	3540	{
3253	int i;	3541	int i;
3254		3542
3255	for (i = 0; i < timercnt; ++i)	3543	for (i = 0; i < timercnt; ++i)
…		…
3461	{	3749	{
3462	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3750	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3463	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3751	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3464	}	3752	}
3465		3753
3466
3467	/* update ev_rt_now, do magic */	3754	/* update ev_rt_now, do magic */
3468	time_update (EV_A_ waittime + sleeptime);	3755	time_update (EV_A_ waittime + sleeptime);
3469	}	3756	}
3470		3757
3471	/* queue pending timers and reschedule them */	3758	/* queue pending timers and reschedule them */
…		…
3502		3789
3503	return activecnt;	3790	return activecnt;
3504	}	3791	}
3505		3792
3506	void	3793	void
3507	ev_break (EV_P_ int how) EV_THROW	3794	ev_break (EV_P_ int how) EV_NOEXCEPT
3508	{	3795	{
3509	loop_done = how;	3796	loop_done = how;
3510	}	3797	}
3511		3798
3512	void	3799	void
3513	ev_ref (EV_P) EV_THROW	3800	ev_ref (EV_P) EV_NOEXCEPT
3514	{	3801	{
3515	++activecnt;	3802	++activecnt;
3516	}	3803	}
3517		3804
3518	void	3805	void
3519	ev_unref (EV_P) EV_THROW	3806	ev_unref (EV_P) EV_NOEXCEPT
3520	{	3807	{
3521	--activecnt;	3808	--activecnt;
3522	}	3809	}
3523		3810
3524	void	3811	void
3525	ev_now_update (EV_P) EV_THROW	3812	ev_now_update (EV_P) EV_NOEXCEPT
3526	{	3813	{
3527	time_update (EV_A_ 1e100);	3814	time_update (EV_A_ 1e100);
3528	}	3815	}
3529		3816
3530	void	3817	void
3531	ev_suspend (EV_P) EV_THROW	3818	ev_suspend (EV_P) EV_NOEXCEPT
3532	{	3819	{
3533	ev_now_update (EV_A);	3820	ev_now_update (EV_A);
3534	}	3821	}
3535		3822
3536	void	3823	void
3537	ev_resume (EV_P) EV_THROW	3824	ev_resume (EV_P) EV_NOEXCEPT
3538	{	3825	{
3539	ev_tstamp mn_prev = mn_now;	3826	ev_tstamp mn_prev = mn_now;
3540		3827
3541	ev_now_update (EV_A);	3828	ev_now_update (EV_A);
3542	timers_reschedule (EV_A_ mn_now - mn_prev);	3829	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3581	w->pending = 0;	3868	w->pending = 0;
3582	}	3869	}
3583	}	3870	}
3584		3871
3585	int	3872	int
3586	ev_clear_pending (EV_P_ void *w) EV_THROW	3873	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3587	{	3874	{
3588	W w_ = (W)w;	3875	W w_ = (W)w;
3589	int pending = w_->pending;	3876	int pending = w_->pending;
3590		3877
3591	if (expect_true (pending))	3878	if (expect_true (pending))
…		…
3623	w->active = 0;	3910	w->active = 0;
3624	}	3911	}
3625		3912
3626	/*****************************************************************************/	3913	/*****************************************************************************/
3627		3914
3628	void noinline	3915	noinline
		3916	void
3629	ev_io_start (EV_P_ ev_io *w) EV_THROW	3917	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3630	{	3918	{
3631	int fd = w->fd;	3919	int fd = w->fd;
3632		3920
3633	if (expect_false (ev_is_active (w)))	3921	if (expect_false (ev_is_active (w)))
3634	return;	3922	return;
3635		3923
3636	assert (("libev: ev_io_start called with negative fd", fd >= 0));	3924	assert (("libev: ev_io_start called with negative fd", fd >= 0));
3637	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	3925	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3638		3926
		3927	#if EV_VERIFY >= 2
		3928	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		3929	#endif
3639	EV_FREQUENT_CHECK;	3930	EV_FREQUENT_CHECK;
3640		3931
3641	ev_start (EV_A_ (W)w, 1);	3932	ev_start (EV_A_ (W)w, 1);
3642	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3933	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3643	wlist_add (&anfds[fd].head, (WL)w);	3934	wlist_add (&anfds[fd].head, (WL)w);
3644		3935
3645	/* common bug, apparently */	3936	/* common bug, apparently */
3646	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	3937	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3647		3938
…		…
3649	w->events &= ~EV__IOFDSET;	3940	w->events &= ~EV__IOFDSET;
3650		3941
3651	EV_FREQUENT_CHECK;	3942	EV_FREQUENT_CHECK;
3652	}	3943	}
3653		3944
3654	void noinline	3945	noinline
		3946	void
3655	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3947	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3656	{	3948	{
3657	clear_pending (EV_A_ (W)w);	3949	clear_pending (EV_A_ (W)w);
3658	if (expect_false (!ev_is_active (w)))	3950	if (expect_false (!ev_is_active (w)))
3659	return;	3951	return;
3660		3952
3661	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	3953	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3662		3954
		3955	#if EV_VERIFY >= 2
		3956	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		3957	#endif
3663	EV_FREQUENT_CHECK;	3958	EV_FREQUENT_CHECK;
3664		3959
3665	wlist_del (&anfds[w->fd].head, (WL)w);	3960	wlist_del (&anfds[w->fd].head, (WL)w);
3666	ev_stop (EV_A_ (W)w);	3961	ev_stop (EV_A_ (W)w);
3667		3962
3668	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3963	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3669		3964
3670	EV_FREQUENT_CHECK;	3965	EV_FREQUENT_CHECK;
3671	}	3966	}
3672		3967
3673	void noinline	3968	noinline
		3969	void
3674	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3970	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3675	{	3971	{
3676	if (expect_false (ev_is_active (w)))	3972	if (expect_false (ev_is_active (w)))
3677	return;	3973	return;
3678		3974
3679	ev_at (w) += mn_now;	3975	ev_at (w) += mn_now;
…		…
3682		3978
3683	EV_FREQUENT_CHECK;	3979	EV_FREQUENT_CHECK;
3684		3980
3685	++timercnt;	3981	++timercnt;
3686	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	3982	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3687	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	3983	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3688	ANHE_w (timers [ev_active (w)]) = (WT)w;	3984	ANHE_w (timers [ev_active (w)]) = (WT)w;
3689	ANHE_at_cache (timers [ev_active (w)]);	3985	ANHE_at_cache (timers [ev_active (w)]);
3690	upheap (timers, ev_active (w));	3986	upheap (timers, ev_active (w));
3691		3987
3692	EV_FREQUENT_CHECK;	3988	EV_FREQUENT_CHECK;
3693		3989
3694	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3990	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3695	}	3991	}
3696		3992
3697	void noinline	3993	noinline
		3994	void
3698	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3995	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3699	{	3996	{
3700	clear_pending (EV_A_ (W)w);	3997	clear_pending (EV_A_ (W)w);
3701	if (expect_false (!ev_is_active (w)))	3998	if (expect_false (!ev_is_active (w)))
3702	return;	3999	return;
3703		4000
…		…
3722	ev_stop (EV_A_ (W)w);	4019	ev_stop (EV_A_ (W)w);
3723		4020
3724	EV_FREQUENT_CHECK;	4021	EV_FREQUENT_CHECK;
3725	}	4022	}
3726		4023
3727	void noinline	4024	noinline
		4025	void
3728	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4026	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3729	{	4027	{
3730	EV_FREQUENT_CHECK;	4028	EV_FREQUENT_CHECK;
3731		4029
3732	clear_pending (EV_A_ (W)w);	4030	clear_pending (EV_A_ (W)w);
3733		4031
…		…
3750		4048
3751	EV_FREQUENT_CHECK;	4049	EV_FREQUENT_CHECK;
3752	}	4050	}
3753		4051
3754	ev_tstamp	4052	ev_tstamp
3755	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4053	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3756	{	4054	{
3757	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4055	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3758	}	4056	}
3759		4057
3760	#if EV_PERIODIC_ENABLE	4058	#if EV_PERIODIC_ENABLE
3761	void noinline	4059	noinline
		4060	void
3762	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4061	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3763	{	4062	{
3764	if (expect_false (ev_is_active (w)))	4063	if (expect_false (ev_is_active (w)))
3765	return;	4064	return;
3766		4065
3767	if (w->reschedule_cb)	4066	if (w->reschedule_cb)
…		…
3776		4075
3777	EV_FREQUENT_CHECK;	4076	EV_FREQUENT_CHECK;
3778		4077
3779	++periodiccnt;	4078	++periodiccnt;
3780	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4079	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3781	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4080	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3782	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4081	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3783	ANHE_at_cache (periodics [ev_active (w)]);	4082	ANHE_at_cache (periodics [ev_active (w)]);
3784	upheap (periodics, ev_active (w));	4083	upheap (periodics, ev_active (w));
3785		4084
3786	EV_FREQUENT_CHECK;	4085	EV_FREQUENT_CHECK;
3787		4086
3788	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4087	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3789	}	4088	}
3790		4089
3791	void noinline	4090	noinline
		4091	void
3792	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4092	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3793	{	4093	{
3794	clear_pending (EV_A_ (W)w);	4094	clear_pending (EV_A_ (W)w);
3795	if (expect_false (!ev_is_active (w)))	4095	if (expect_false (!ev_is_active (w)))
3796	return;	4096	return;
3797		4097
…		…
3814	ev_stop (EV_A_ (W)w);	4114	ev_stop (EV_A_ (W)w);
3815		4115
3816	EV_FREQUENT_CHECK;	4116	EV_FREQUENT_CHECK;
3817	}	4117	}
3818		4118
3819	void noinline	4119	noinline
		4120	void
3820	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4121	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3821	{	4122	{
3822	/* TODO: use adjustheap and recalculation */	4123	/* TODO: use adjustheap and recalculation */
3823	ev_periodic_stop (EV_A_ w);	4124	ev_periodic_stop (EV_A_ w);
3824	ev_periodic_start (EV_A_ w);	4125	ev_periodic_start (EV_A_ w);
3825	}	4126	}
…		…
3829	# define SA_RESTART 0	4130	# define SA_RESTART 0
3830	#endif	4131	#endif
3831		4132
3832	#if EV_SIGNAL_ENABLE	4133	#if EV_SIGNAL_ENABLE
3833		4134
3834	void noinline	4135	noinline
		4136	void
3835	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4137	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3836	{	4138	{
3837	if (expect_false (ev_is_active (w)))	4139	if (expect_false (ev_is_active (w)))
3838	return;	4140	return;
3839		4141
3840	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4142	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3911	}	4213	}
3912		4214
3913	EV_FREQUENT_CHECK;	4215	EV_FREQUENT_CHECK;
3914	}	4216	}
3915		4217
3916	void noinline	4218	noinline
		4219	void
3917	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4220	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3918	{	4221	{
3919	clear_pending (EV_A_ (W)w);	4222	clear_pending (EV_A_ (W)w);
3920	if (expect_false (!ev_is_active (w)))	4223	if (expect_false (!ev_is_active (w)))
3921	return;	4224	return;
3922		4225
…		…
3953	#endif	4256	#endif
3954		4257
3955	#if EV_CHILD_ENABLE	4258	#if EV_CHILD_ENABLE
3956		4259
3957	void	4260	void
3958	ev_child_start (EV_P_ ev_child *w) EV_THROW	4261	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3959	{	4262	{
3960	#if EV_MULTIPLICITY	4263	#if EV_MULTIPLICITY
3961	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4264	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3962	#endif	4265	#endif
3963	if (expect_false (ev_is_active (w)))	4266	if (expect_false (ev_is_active (w)))
…		…
3970		4273
3971	EV_FREQUENT_CHECK;	4274	EV_FREQUENT_CHECK;
3972	}	4275	}
3973		4276
3974	void	4277	void
3975	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4278	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3976	{	4279	{
3977	clear_pending (EV_A_ (W)w);	4280	clear_pending (EV_A_ (W)w);
3978	if (expect_false (!ev_is_active (w)))	4281	if (expect_false (!ev_is_active (w)))
3979	return;	4282	return;
3980		4283
…		…
3997		4300
3998	#define DEF_STAT_INTERVAL 5.0074891	4301	#define DEF_STAT_INTERVAL 5.0074891
3999	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4302	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4000	#define MIN_STAT_INTERVAL 0.1074891	4303	#define MIN_STAT_INTERVAL 0.1074891
4001		4304
4002	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4305	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4003		4306
4004	#if EV_USE_INOTIFY	4307	#if EV_USE_INOTIFY
4005		4308
4006	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4309	/* 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)	4310	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4008		4311
4009	static void noinline	4312	noinline
		4313	static void
4010	infy_add (EV_P_ ev_stat *w)	4314	infy_add (EV_P_ ev_stat *w)
4011	{	4315	{
4012	w->wd = inotify_add_watch (fs_fd, w->path,	4316	w->wd = inotify_add_watch (fs_fd, w->path,
4013	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4317	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4014	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4318	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4078	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4382	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4079	ev_timer_again (EV_A_ &w->timer);	4383	ev_timer_again (EV_A_ &w->timer);
4080	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4384	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4081	}	4385	}
4082		4386
4083	static void noinline	4387	noinline
		4388	static void
4084	infy_del (EV_P_ ev_stat *w)	4389	infy_del (EV_P_ ev_stat *w)
4085	{	4390	{
4086	int slot;	4391	int slot;
4087	int wd = w->wd;	4392	int wd = w->wd;
4088		4393
…		…
4095		4400
4096	/* remove this watcher, if others are watching it, they will rearm */	4401	/* remove this watcher, if others are watching it, they will rearm */
4097	inotify_rm_watch (fs_fd, wd);	4402	inotify_rm_watch (fs_fd, wd);
4098	}	4403	}
4099		4404
4100	static void noinline	4405	noinline
		4406	static void
4101	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4407	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4102	{	4408	{
4103	if (slot < 0)	4409	if (slot < 0)
4104	/* overflow, need to check for all hash slots */	4410	/* overflow, need to check for all hash slots */
4105	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4411	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4141	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4447	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4142	ofs += sizeof (struct inotify_event) + ev->len;	4448	ofs += sizeof (struct inotify_event) + ev->len;
4143	}	4449	}
4144	}	4450	}
4145		4451
4146	inline_size void ecb_cold	4452	inline_size ecb_cold
		4453	void
4147	ev_check_2625 (EV_P)	4454	ev_check_2625 (EV_P)
4148	{	4455	{
4149	/* kernels < 2.6.25 are borked	4456	/* kernels < 2.6.25 are borked
4150	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4457	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4151	*/	4458	*/
…		…
4241	#else	4548	#else
4242	# define EV_LSTAT(p,b) lstat (p, b)	4549	# define EV_LSTAT(p,b) lstat (p, b)
4243	#endif	4550	#endif
4244		4551
4245	void	4552	void
4246	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4553	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4247	{	4554	{
4248	if (lstat (w->path, &w->attr) < 0)	4555	if (lstat (w->path, &w->attr) < 0)
4249	w->attr.st_nlink = 0;	4556	w->attr.st_nlink = 0;
4250	else if (!w->attr.st_nlink)	4557	else if (!w->attr.st_nlink)
4251	w->attr.st_nlink = 1;	4558	w->attr.st_nlink = 1;
4252	}	4559	}
4253		4560
4254	static void noinline	4561	noinline
		4562	static void
4255	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4563	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4256	{	4564	{
4257	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4565	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4258		4566
4259	ev_statdata prev = w->attr;	4567	ev_statdata prev = w->attr;
…		…
4290	ev_feed_event (EV_A_ w, EV_STAT);	4598	ev_feed_event (EV_A_ w, EV_STAT);
4291	}	4599	}
4292	}	4600	}
4293		4601
4294	void	4602	void
4295	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4603	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4296	{	4604	{
4297	if (expect_false (ev_is_active (w)))	4605	if (expect_false (ev_is_active (w)))
4298	return;	4606	return;
4299		4607
4300	ev_stat_stat (EV_A_ w);	4608	ev_stat_stat (EV_A_ w);
…		…
4321		4629
4322	EV_FREQUENT_CHECK;	4630	EV_FREQUENT_CHECK;
4323	}	4631	}
4324		4632
4325	void	4633	void
4326	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4634	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4327	{	4635	{
4328	clear_pending (EV_A_ (W)w);	4636	clear_pending (EV_A_ (W)w);
4329	if (expect_false (!ev_is_active (w)))	4637	if (expect_false (!ev_is_active (w)))
4330	return;	4638	return;
4331		4639
…		…
4347	}	4655	}
4348	#endif	4656	#endif
4349		4657
4350	#if EV_IDLE_ENABLE	4658	#if EV_IDLE_ENABLE
4351	void	4659	void
4352	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4660	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4353	{	4661	{
4354	if (expect_false (ev_is_active (w)))	4662	if (expect_false (ev_is_active (w)))
4355	return;	4663	return;
4356		4664
4357	pri_adjust (EV_A_ (W)w);	4665	pri_adjust (EV_A_ (W)w);
…		…
4362	int active = ++idlecnt [ABSPRI (w)];	4670	int active = ++idlecnt [ABSPRI (w)];
4363		4671
4364	++idleall;	4672	++idleall;
4365	ev_start (EV_A_ (W)w, active);	4673	ev_start (EV_A_ (W)w, active);
4366		4674
4367	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4675	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4368	idles [ABSPRI (w)][active - 1] = w;	4676	idles [ABSPRI (w)][active - 1] = w;
4369	}	4677	}
4370		4678
4371	EV_FREQUENT_CHECK;	4679	EV_FREQUENT_CHECK;
4372	}	4680	}
4373		4681
4374	void	4682	void
4375	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4683	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4376	{	4684	{
4377	clear_pending (EV_A_ (W)w);	4685	clear_pending (EV_A_ (W)w);
4378	if (expect_false (!ev_is_active (w)))	4686	if (expect_false (!ev_is_active (w)))
4379	return;	4687	return;
4380		4688
…		…
4394	}	4702	}
4395	#endif	4703	#endif
4396		4704
4397	#if EV_PREPARE_ENABLE	4705	#if EV_PREPARE_ENABLE
4398	void	4706	void
4399	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4707	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4400	{	4708	{
4401	if (expect_false (ev_is_active (w)))	4709	if (expect_false (ev_is_active (w)))
4402	return;	4710	return;
4403		4711
4404	EV_FREQUENT_CHECK;	4712	EV_FREQUENT_CHECK;
4405		4713
4406	ev_start (EV_A_ (W)w, ++preparecnt);	4714	ev_start (EV_A_ (W)w, ++preparecnt);
4407	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4715	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4408	prepares [preparecnt - 1] = w;	4716	prepares [preparecnt - 1] = w;
4409		4717
4410	EV_FREQUENT_CHECK;	4718	EV_FREQUENT_CHECK;
4411	}	4719	}
4412		4720
4413	void	4721	void
4414	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4722	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4415	{	4723	{
4416	clear_pending (EV_A_ (W)w);	4724	clear_pending (EV_A_ (W)w);
4417	if (expect_false (!ev_is_active (w)))	4725	if (expect_false (!ev_is_active (w)))
4418	return;	4726	return;
4419		4727
…		…
4432	}	4740	}
4433	#endif	4741	#endif
4434		4742
4435	#if EV_CHECK_ENABLE	4743	#if EV_CHECK_ENABLE
4436	void	4744	void
4437	ev_check_start (EV_P_ ev_check *w) EV_THROW	4745	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4438	{	4746	{
4439	if (expect_false (ev_is_active (w)))	4747	if (expect_false (ev_is_active (w)))
4440	return;	4748	return;
4441		4749
4442	EV_FREQUENT_CHECK;	4750	EV_FREQUENT_CHECK;
4443		4751
4444	ev_start (EV_A_ (W)w, ++checkcnt);	4752	ev_start (EV_A_ (W)w, ++checkcnt);
4445	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4753	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4446	checks [checkcnt - 1] = w;	4754	checks [checkcnt - 1] = w;
4447		4755
4448	EV_FREQUENT_CHECK;	4756	EV_FREQUENT_CHECK;
4449	}	4757	}
4450		4758
4451	void	4759	void
4452	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4760	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4453	{	4761	{
4454	clear_pending (EV_A_ (W)w);	4762	clear_pending (EV_A_ (W)w);
4455	if (expect_false (!ev_is_active (w)))	4763	if (expect_false (!ev_is_active (w)))
4456	return;	4764	return;
4457		4765
…		…
4469	EV_FREQUENT_CHECK;	4777	EV_FREQUENT_CHECK;
4470	}	4778	}
4471	#endif	4779	#endif
4472		4780
4473	#if EV_EMBED_ENABLE	4781	#if EV_EMBED_ENABLE
4474	void noinline	4782	noinline
		4783	void
4475	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4784	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4476	{	4785	{
4477	ev_run (w->other, EVRUN_NOWAIT);	4786	ev_run (w->other, EVRUN_NOWAIT);
4478	}	4787	}
4479		4788
4480	static void	4789	static void
…		…
4528	ev_idle_stop (EV_A_ idle);	4837	ev_idle_stop (EV_A_ idle);
4529	}	4838	}
4530	#endif	4839	#endif
4531		4840
4532	void	4841	void
4533	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4842	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4534	{	4843	{
4535	if (expect_false (ev_is_active (w)))	4844	if (expect_false (ev_is_active (w)))
4536	return;	4845	return;
4537		4846
4538	{	4847	{
…		…
4559		4868
4560	EV_FREQUENT_CHECK;	4869	EV_FREQUENT_CHECK;
4561	}	4870	}
4562		4871
4563	void	4872	void
4564	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4873	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4565	{	4874	{
4566	clear_pending (EV_A_ (W)w);	4875	clear_pending (EV_A_ (W)w);
4567	if (expect_false (!ev_is_active (w)))	4876	if (expect_false (!ev_is_active (w)))
4568	return;	4877	return;
4569		4878
…		…
4579	}	4888	}
4580	#endif	4889	#endif
4581		4890
4582	#if EV_FORK_ENABLE	4891	#if EV_FORK_ENABLE
4583	void	4892	void
4584	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4893	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4585	{	4894	{
4586	if (expect_false (ev_is_active (w)))	4895	if (expect_false (ev_is_active (w)))
4587	return;	4896	return;
4588		4897
4589	EV_FREQUENT_CHECK;	4898	EV_FREQUENT_CHECK;
4590		4899
4591	ev_start (EV_A_ (W)w, ++forkcnt);	4900	ev_start (EV_A_ (W)w, ++forkcnt);
4592	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4901	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4593	forks [forkcnt - 1] = w;	4902	forks [forkcnt - 1] = w;
4594		4903
4595	EV_FREQUENT_CHECK;	4904	EV_FREQUENT_CHECK;
4596	}	4905	}
4597		4906
4598	void	4907	void
4599	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4908	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4600	{	4909	{
4601	clear_pending (EV_A_ (W)w);	4910	clear_pending (EV_A_ (W)w);
4602	if (expect_false (!ev_is_active (w)))	4911	if (expect_false (!ev_is_active (w)))
4603	return;	4912	return;
4604		4913
…		…
4617	}	4926	}
4618	#endif	4927	#endif
4619		4928
4620	#if EV_CLEANUP_ENABLE	4929	#if EV_CLEANUP_ENABLE
4621	void	4930	void
4622	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4931	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4623	{	4932	{
4624	if (expect_false (ev_is_active (w)))	4933	if (expect_false (ev_is_active (w)))
4625	return;	4934	return;
4626		4935
4627	EV_FREQUENT_CHECK;	4936	EV_FREQUENT_CHECK;
4628		4937
4629	ev_start (EV_A_ (W)w, ++cleanupcnt);	4938	ev_start (EV_A_ (W)w, ++cleanupcnt);
4630	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	4939	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4631	cleanups [cleanupcnt - 1] = w;	4940	cleanups [cleanupcnt - 1] = w;
4632		4941
4633	/* cleanup watchers should never keep a refcount on the loop */	4942	/* cleanup watchers should never keep a refcount on the loop */
4634	ev_unref (EV_A);	4943	ev_unref (EV_A);
4635	EV_FREQUENT_CHECK;	4944	EV_FREQUENT_CHECK;
4636	}	4945	}
4637		4946
4638	void	4947	void
4639	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4948	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4640	{	4949	{
4641	clear_pending (EV_A_ (W)w);	4950	clear_pending (EV_A_ (W)w);
4642	if (expect_false (!ev_is_active (w)))	4951	if (expect_false (!ev_is_active (w)))
4643	return;	4952	return;
4644		4953
…		…
4658	}	4967	}
4659	#endif	4968	#endif
4660		4969
4661	#if EV_ASYNC_ENABLE	4970	#if EV_ASYNC_ENABLE
4662	void	4971	void
4663	ev_async_start (EV_P_ ev_async *w) EV_THROW	4972	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4664	{	4973	{
4665	if (expect_false (ev_is_active (w)))	4974	if (expect_false (ev_is_active (w)))
4666	return;	4975	return;
4667		4976
4668	w->sent = 0;	4977	w->sent = 0;
…		…
4670	evpipe_init (EV_A);	4979	evpipe_init (EV_A);
4671		4980
4672	EV_FREQUENT_CHECK;	4981	EV_FREQUENT_CHECK;
4673		4982
4674	ev_start (EV_A_ (W)w, ++asynccnt);	4983	ev_start (EV_A_ (W)w, ++asynccnt);
4675	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	4984	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4676	asyncs [asynccnt - 1] = w;	4985	asyncs [asynccnt - 1] = w;
4677		4986
4678	EV_FREQUENT_CHECK;	4987	EV_FREQUENT_CHECK;
4679	}	4988	}
4680		4989
4681	void	4990	void
4682	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4991	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4683	{	4992	{
4684	clear_pending (EV_A_ (W)w);	4993	clear_pending (EV_A_ (W)w);
4685	if (expect_false (!ev_is_active (w)))	4994	if (expect_false (!ev_is_active (w)))
4686	return;	4995	return;
4687		4996
…		…
4698		5007
4699	EV_FREQUENT_CHECK;	5008	EV_FREQUENT_CHECK;
4700	}	5009	}
4701		5010
4702	void	5011	void
4703	ev_async_send (EV_P_ ev_async *w) EV_THROW	5012	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4704	{	5013	{
4705	w->sent = 1;	5014	w->sent = 1;
4706	evpipe_write (EV_A_ &async_pending);	5015	evpipe_write (EV_A_ &async_pending);
4707	}	5016	}
4708	#endif	5017	#endif
…		…
4745		5054
4746	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5055	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4747	}	5056	}
4748		5057
4749	void	5058	void
4750	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5059	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4751	{	5060	{
4752	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5061	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		5062
4760	once->cb = cb;	5063	once->cb = cb;
4761	once->arg = arg;	5064	once->arg = arg;
4762		5065
4763	ev_init (&once->io, once_cb_io);	5066	ev_init (&once->io, once_cb_io);
…		…
4776	}	5079	}
4777		5080
4778	/*****************************************************************************/	5081	/*****************************************************************************/
4779		5082
4780	#if EV_WALK_ENABLE	5083	#if EV_WALK_ENABLE
4781	void ecb_cold	5084	ecb_cold
		5085	void
4782	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5086	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4783	{	5087	{
4784	int i, j;	5088	int i, j;
4785	ev_watcher_list *wl, *wn;	5089	ev_watcher_list *wl, *wn;
4786		5090
4787	if (types & (EV_IO | EV_EMBED))	5091	if (types & (EV_IO | EV_EMBED))

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