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Comparing libev/ev.c (file contents):
Revision 1.469 by root, Fri Sep 5 16:21:19 2014 UTC vs.
Revision 1.500 by root, Mon Jul 1 20:47:37 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
…		…
256	# else	267	# else
257	# define EV_USE_CLOCK_SYSCALL 0	268	# define EV_USE_CLOCK_SYSCALL 0
258	# endif	269	# endif
259	#endif	270	#endif
260		271
		272	#if !(_POSIX_TIMERS > 0)
		273	# ifndef EV_USE_MONOTONIC
		274	# define EV_USE_MONOTONIC 0
		275	# endif
		276	# ifndef EV_USE_REALTIME
		277	# define EV_USE_REALTIME 0
		278	# endif
		279	#endif
		280
261	#ifndef EV_USE_MONOTONIC	281	#ifndef EV_USE_MONOTONIC
262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	282	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
263	# define EV_USE_MONOTONIC EV_FEATURE_OS	283	# define EV_USE_MONOTONIC EV_FEATURE_OS
264	# else	284	# else
265	# define EV_USE_MONOTONIC 0	285	# define EV_USE_MONOTONIC 0
…		…
304		324
305	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
306	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
307	#endif	327	#endif
308		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
309	#ifndef EV_USE_INOTIFY	337	#ifndef EV_USE_INOTIFY
310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	338	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
311	# define EV_USE_INOTIFY EV_FEATURE_OS	339	# define EV_USE_INOTIFY EV_FEATURE_OS
312	# else	340	# else
313	# define EV_USE_INOTIFY 0	341	# define EV_USE_INOTIFY 0
…		…
354		382
355	#ifndef EV_HEAP_CACHE_AT	383	#ifndef EV_HEAP_CACHE_AT
356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	384	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
357	#endif	385	#endif
358		386
359	#ifdef ANDROID	387	#ifdef __ANDROID__
360	/* supposedly, android doesn't typedef fd_mask */	388	/* supposedly, android doesn't typedef fd_mask */
361	# undef EV_USE_SELECT	389	# undef EV_USE_SELECT
362	# define EV_USE_SELECT 0	390	# define EV_USE_SELECT 0
363	/* 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 */
364	# undef EV_USE_CLOCK_SYSCALL	392	# undef EV_USE_CLOCK_SYSCALL
…		…
405		433
406	#if !EV_USE_NANOSLEEP	434	#if !EV_USE_NANOSLEEP
407	/* 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 */
408	# if !defined _WIN32 && !defined __hpux	436	# if !defined _WIN32 && !defined __hpux
409	# 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
410	# endif	446	# endif
411	#endif	447	#endif
412		448
413	#if EV_USE_INOTIFY	449	#if EV_USE_INOTIFY
414	# include <sys/statfs.h>	450	# include <sys/statfs.h>
…		…
482	/* 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 */
483	/* ECB.H BEGIN */	519	/* ECB.H BEGIN */
484	/*	520	/*
485	* libecb - http://software.schmorp.de/pkg/libecb	521	* libecb - http://software.schmorp.de/pkg/libecb
486	*	522	*
487	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>	523	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488	* Copyright (©) 2011 Emanuele Giaquinta	524	* Copyright (©) 2011 Emanuele Giaquinta
489	* All rights reserved.	525	* All rights reserved.
490	*	526	*
491	* 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-
492	* tion, are permitted provided that the following conditions are met:	528	* tion, are permitted provided that the following conditions are met:
…		…
523		559
524	#ifndef ECB_H	560	#ifndef ECB_H
525	#define ECB_H	561	#define ECB_H
526		562
527	/* 16 bits major, 16 bits minor */	563	/* 16 bits major, 16 bits minor */
528	#define ECB_VERSION 0x00010003	564	#define ECB_VERSION 0x00010006
529		565
530	#ifdef _WIN32	566	#ifdef _WIN32
531	typedef signed char int8_t;	567	typedef signed char int8_t;
532	typedef unsigned char uint8_t;	568	typedef unsigned char uint8_t;
533	typedef signed short int16_t;	569	typedef signed short int16_t;
…		…
550	typedef uint32_t uintptr_t;	586	typedef uint32_t uintptr_t;
551	typedef int32_t intptr_t;	587	typedef int32_t intptr_t;
552	#endif	588	#endif
553	#else	589	#else
554	#include <inttypes.h>	590	#include <inttypes.h>
555	#if UINTMAX_MAX > 0xffffffffU	591	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
556	#define ECB_PTRSIZE 8	592	#define ECB_PTRSIZE 8
557	#else	593	#else
558	#define ECB_PTRSIZE 4	594	#define ECB_PTRSIZE 4
559	#endif	595	#endif
560	#endif	596	#endif
561		597
		598	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		599	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		600
562	/* work around x32 idiocy by defining proper macros */	601	/* work around x32 idiocy by defining proper macros */
563	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	602	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
564	#if _ILP32	603	#if _ILP32
565	#define ECB_AMD64_X32 1	604	#define ECB_AMD64_X32 1
566	#else	605	#else
567	#define ECB_AMD64 1	606	#define ECB_AMD64 1
568	#endif	607	#endif
…		…
573	* causing enormous grief in return for some better fake benchmark numbers.	612	* causing enormous grief in return for some better fake benchmark numbers.
574	* or so.	613	* or so.
575	* 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
576	* 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.
577	*/	616	*/
578	#ifndef ECB_GCC_VERSION
579	#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__
580	#define ECB_GCC_VERSION(major,minor) 0	618	#define ECB_GCC_VERSION(major,minor) 0
581	#else	619	#else
582	#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)))
583	#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
584	#endif	635	#endif
585		636
586	#define ECB_CPP (__cplusplus+0)	637	#define ECB_CPP (__cplusplus+0)
587	#define ECB_CPP11 (__cplusplus >= 201103L)	638	#define ECB_CPP11 (__cplusplus >= 201103L)
		639	#define ECB_CPP14 (__cplusplus >= 201402L)
		640	#define ECB_CPP17 (__cplusplus >= 201703L)
588		641
589	#if ECB_CPP	642	#if ECB_CPP
590	#define ECB_C 0	643	#define ECB_C 0
591	#define ECB_STDC_VERSION 0	644	#define ECB_STDC_VERSION 0
592	#else	645	#else
…		…
594	#define ECB_STDC_VERSION __STDC_VERSION__	647	#define ECB_STDC_VERSION __STDC_VERSION__
595	#endif	648	#endif
596		649
597	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)	650	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
598	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)	651	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		652	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
599		653
600	#if ECB_CPP	654	#if ECB_CPP
601	#define ECB_EXTERN_C extern "C"	655	#define ECB_EXTERN_C extern "C"
602	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	656	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
603	#define ECB_EXTERN_C_END }	657	#define ECB_EXTERN_C_END }
…		…
618		672
619	#if ECB_NO_SMP	673	#if ECB_NO_SMP
620	#define ECB_MEMORY_FENCE do { } while (0)	674	#define ECB_MEMORY_FENCE do { } while (0)
621	#endif	675	#endif
622		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
623	#ifndef ECB_MEMORY_FENCE	686	#ifndef ECB_MEMORY_FENCE
624	#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")
625	#if __i386 || __i386__	689	#if __i386 || __i386__
626	#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")
627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	691	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	692	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
629	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	693	#elif ECB_GCC_AMD64
630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	694	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
631	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	695	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
632	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	696	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
633	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	697	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
634	#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 */
635	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	706	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
636	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	707	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		708	|| defined __ARM_ARCH_6T2__
637	#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")
638	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	710	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
639	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	711	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
640	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	712	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
641	#elif __aarch64__	713	#elif __aarch64__
642	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	714	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
643	#elif (__sparc || __sparc__) && !__sparcv8	715	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
644	#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")
645	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	717	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
646	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	718	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
647	#elif defined __s390__ || defined __s390x__	719	#elif defined __s390__ || defined __s390x__
648	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	720	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
671	#if ECB_GCC_VERSION(4,7)	743	#if ECB_GCC_VERSION(4,7)
672	/* see comment below (stdatomic.h) about the C11 memory model. */	744	/* see comment below (stdatomic.h) about the C11 memory model. */
673	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	745	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
674	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	746	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
675	#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)
676		749
677	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	750	#elif ECB_CLANG_EXTENSION(c_atomic)
678	* without risking compile time errors with other compilers. We *could*
679	* define our own ecb_clang_has_feature, but I just can't be bothered to work
680	* around this shit time and again.
681	* #elif defined __clang && __has_feature (cxx_atomic)
682	* // see comment below (stdatomic.h) about the C11 memory model.	751	/* see comment below (stdatomic.h) about the C11 memory model. */
683	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	752	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
684	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	753	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
685	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	754	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
686	*/	755	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
687		756
688	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	757	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
689	#define ECB_MEMORY_FENCE __sync_synchronize ()	758	#define ECB_MEMORY_FENCE __sync_synchronize ()
690	#elif _MSC_VER >= 1500 /* VC++ 2008 */	759	#elif _MSC_VER >= 1500 /* VC++ 2008 */
691	/* 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... */
…		…
701	#elif defined _WIN32	770	#elif defined _WIN32
702	#include <WinNT.h>	771	#include <WinNT.h>
703	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	772	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
704	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	773	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
705	#include <mbarrier.h>	774	#include <mbarrier.h>
706	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	775	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
707	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	776	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
708	#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 ()
709	#elif __xlC__	779	#elif __xlC__
710	#define ECB_MEMORY_FENCE __sync ()	780	#define ECB_MEMORY_FENCE __sync ()
711	#endif	781	#endif
712	#endif	782	#endif
713		783
714	#ifndef ECB_MEMORY_FENCE	784	#ifndef ECB_MEMORY_FENCE
715	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	785	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
716	/* 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, */
717	/* not just C11 atomics and atomic accesses */	787	/* not just C11 atomics and atomic accesses */
718	#include <stdatomic.h>	788	#include <stdatomic.h>
719	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
720	/* any fence other than seq_cst, which isn't very efficient for us. */
721	/* Why that is, we don't know - either the C11 memory model is quite useless */
722	/* for most usages, or gcc and clang have a bug */
723	/* I *currently* lean towards the latter, and inefficiently implement */
724	/* all three of ecb's fences as a seq_cst fence */
725	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
726	/* for all __atomic_thread_fence's except seq_cst */
727	#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)
728	#endif	792	#endif
729	#endif	793	#endif
730		794
731	#ifndef ECB_MEMORY_FENCE	795	#ifndef ECB_MEMORY_FENCE
732	#if !ECB_AVOID_PTHREADS	796	#if !ECB_AVOID_PTHREADS
…		…
752		816
753	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	817	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
754	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	818	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
755	#endif	819	#endif
756		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
757	/*****************************************************************************/	825	/*****************************************************************************/
758		826
759	#if __cplusplus	827	#if ECB_CPP
760	#define ecb_inline static inline	828	#define ecb_inline static inline
761	#elif ECB_GCC_VERSION(2,5)	829	#elif ECB_GCC_VERSION(2,5)
762	#define ecb_inline static __inline__	830	#define ecb_inline static __inline__
763	#elif ECB_C99	831	#elif ECB_C99
764	#define ecb_inline static inline	832	#define ecb_inline static inline
…		…
778		846
779	#define ECB_CONCAT_(a, b) a ## b	847	#define ECB_CONCAT_(a, b) a ## b
780	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	848	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
781	#define ECB_STRINGIFY_(a) # a	849	#define ECB_STRINGIFY_(a) # a
782	#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))
783		852
784	#define ecb_function_ ecb_inline	853	#define ecb_function_ ecb_inline
785		854
786	#if ECB_GCC_VERSION(3,1)	855	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
787	#define ecb_attribute(attrlist) __attribute__(attrlist)	856	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		857	#else
		858	#define ecb_attribute(attrlist)
		859	#endif
		860
		861	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
788	#define ecb_is_constant(expr) __builtin_constant_p (expr)	862	#define ecb_is_constant(expr) __builtin_constant_p (expr)
789	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
790	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
791	#else	863	#else
792	#define ecb_attribute(attrlist)
793
794	/* possible C11 impl for integral types	864	/* possible C11 impl for integral types
795	typedef struct ecb_is_constant_struct ecb_is_constant_struct;	865	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
796	#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)) */
797		867
798	#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
799	#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
800	#define ecb_prefetch(addr,rw,locality)	880	#define ecb_prefetch(addr,rw,locality)
801	#endif	881	#endif
802		882
803	/* no emulation for ecb_decltype */	883	/* no emulation for ecb_decltype */
804	#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; };
805	#define ecb_decltype(x) __decltype(x)	887	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
806	#elif ECB_GCC_VERSION(3,0)	888	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
807	#define ecb_decltype(x) __typeof(x)	889	#define ecb_decltype(x) __typeof__ (x)
808	#endif	890	#endif
809		891
810	#if _MSC_VER >= 1300	892	#if _MSC_VER >= 1300
811	#define ecb_deprecated __declspec(deprecated)	893	#define ecb_deprecated __declspec (deprecated)
812	#else	894	#else
813	#define ecb_deprecated ecb_attribute ((__deprecated__))	895	#define ecb_deprecated ecb_attribute ((__deprecated__))
814	#endif	896	#endif
815		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
816	#define ecb_noinline ecb_attribute ((__noinline__))	909	#define ecb_noinline ecb_attribute ((__noinline__))
		910	#endif
		911
817	#define ecb_unused ecb_attribute ((__unused__))	912	#define ecb_unused ecb_attribute ((__unused__))
818	#define ecb_const ecb_attribute ((__const__))	913	#define ecb_const ecb_attribute ((__const__))
819	#define ecb_pure ecb_attribute ((__pure__))	914	#define ecb_pure ecb_attribute ((__pure__))
820		915
821	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */	916	#if ECB_C11 || __IBMC_NORETURN
822	#if ECB_C11	917	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
823	#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)
824	#else	924	#else
825	#define ecb_noreturn ecb_attribute ((__noreturn__))	925	#define ecb_noreturn ecb_attribute ((__noreturn__))
826	#endif	926	#endif
827		927
828	#if ECB_GCC_VERSION(4,3)	928	#if ECB_GCC_VERSION(4,3)
…		…
843	/* for compatibility to the rest of the world */	943	/* for compatibility to the rest of the world */
844	#define ecb_likely(expr) ecb_expect_true (expr)	944	#define ecb_likely(expr) ecb_expect_true (expr)
845	#define ecb_unlikely(expr) ecb_expect_false (expr)	945	#define ecb_unlikely(expr) ecb_expect_false (expr)
846		946
847	/* count trailing zero bits and count # of one bits */	947	/* count trailing zero bits and count # of one bits */
848	#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))
849	/* 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 */
850	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	953	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
851	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	954	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
852	#define ecb_ctz32(x) __builtin_ctz (x)	955	#define ecb_ctz32(x) __builtin_ctz (x)
853	#define ecb_ctz64(x) __builtin_ctzll (x)	956	#define ecb_ctz64(x) __builtin_ctzll (x)
854	#define ecb_popcount32(x) __builtin_popcount (x)	957	#define ecb_popcount32(x) __builtin_popcount (x)
855	/* no popcountll */	958	/* no popcountll */
856	#else	959	#else
857	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	960	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
858	ecb_function_ int	961	ecb_function_ ecb_const int
859	ecb_ctz32 (uint32_t x)	962	ecb_ctz32 (uint32_t x)
860	{	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
861	int r = 0;	969	int r = 0;
862		970
863	x &= ~x + 1; /* this isolates the lowest bit */	971	x &= ~x + 1; /* this isolates the lowest bit */
864		972
865	#if ECB_branchless_on_i386	973	#if ECB_branchless_on_i386
…		…
875	if (x & 0xff00ff00) r += 8;	983	if (x & 0xff00ff00) r += 8;
876	if (x & 0xffff0000) r += 16;	984	if (x & 0xffff0000) r += 16;
877	#endif	985	#endif
878		986
879	return r;	987	return r;
		988	#endif
880	}	989	}
881		990
882	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	991	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
883	ecb_function_ int	992	ecb_function_ ecb_const int
884	ecb_ctz64 (uint64_t x)	993	ecb_ctz64 (uint64_t x)
885	{	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
886	int shift = x & 0xffffffffU ? 0 : 32;	1000	int shift = x & 0xffffffff ? 0 : 32;
887	return ecb_ctz32 (x >> shift) + shift;	1001	return ecb_ctz32 (x >> shift) + shift;
		1002	#endif
888	}	1003	}
889		1004
890	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1005	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
891	ecb_function_ int	1006	ecb_function_ ecb_const int
892	ecb_popcount32 (uint32_t x)	1007	ecb_popcount32 (uint32_t x)
893	{	1008	{
894	x -= (x >> 1) & 0x55555555;	1009	x -= (x >> 1) & 0x55555555;
895	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1010	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
896	x = ((x >> 4) + x) & 0x0f0f0f0f;	1011	x = ((x >> 4) + x) & 0x0f0f0f0f;
897	x *= 0x01010101;	1012	x *= 0x01010101;
898		1013
899	return x >> 24;	1014	return x >> 24;
900	}	1015	}
901		1016
902	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1017	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
903	ecb_function_ int ecb_ld32 (uint32_t x)	1018	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
904	{	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
905	int r = 0;	1025	int r = 0;
906		1026
907	if (x >> 16) { x >>= 16; r += 16; }	1027	if (x >> 16) { x >>= 16; r += 16; }
908	if (x >> 8) { x >>= 8; r += 8; }	1028	if (x >> 8) { x >>= 8; r += 8; }
909	if (x >> 4) { x >>= 4; r += 4; }	1029	if (x >> 4) { x >>= 4; r += 4; }
910	if (x >> 2) { x >>= 2; r += 2; }	1030	if (x >> 2) { x >>= 2; r += 2; }
911	if (x >> 1) { r += 1; }	1031	if (x >> 1) { r += 1; }
912		1032
913	return r;	1033	return r;
		1034	#endif
914	}	1035	}
915		1036
916	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1037	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
917	ecb_function_ int ecb_ld64 (uint64_t x)	1038	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
918	{	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
919	int r = 0;	1045	int r = 0;
920		1046
921	if (x >> 32) { x >>= 32; r += 32; }	1047	if (x >> 32) { x >>= 32; r += 32; }
922		1048
923	return r + ecb_ld32 (x);	1049	return r + ecb_ld32 (x);
		1050	#endif
924	}	1051	}
925	#endif	1052	#endif
926		1053
927	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);
928	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)); }
929	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);
930	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)); }
931		1058
932	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1059	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
933	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1060	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
934	{	1061	{
935	return ( (x * 0x0802U & 0x22110U)	1062	return ( (x * 0x0802U & 0x22110U)
936	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1063	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
937	}	1064	}
938		1065
939	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1066	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
940	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1067	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
941	{	1068	{
942	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1069	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
943	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1070	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
944	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1071	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
945	x = ( x >> 8 ) | ( x << 8);	1072	x = ( x >> 8 ) | ( x << 8);
946		1073
947	return x;	1074	return x;
948	}	1075	}
949		1076
950	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1077	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
951	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1078	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
952	{	1079	{
953	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1080	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
954	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1081	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
955	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1082	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
956	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1083	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
959	return x;	1086	return x;
960	}	1087	}
961		1088
962	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1089	/* popcount64 is only available on 64 bit cpus as gcc builtin */
963	/* so for this version we are lazy */	1090	/* so for this version we are lazy */
964	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1091	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
965	ecb_function_ int	1092	ecb_function_ ecb_const int
966	ecb_popcount64 (uint64_t x)	1093	ecb_popcount64 (uint64_t x)
967	{	1094	{
968	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1095	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
969	}	1096	}
970		1097
971	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);
972	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);
973	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);
974	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);
975	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);
976	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);
977	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);
978	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);
979		1106
980	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); }
981	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); }
982	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); }
983	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); }
984	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); }
985	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); }
986	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); }
987	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); }
988		1115
989	#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
990	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1120	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1121	#endif
991	#define ecb_bswap32(x) __builtin_bswap32 (x)	1122	#define ecb_bswap32(x) __builtin_bswap32 (x)
992	#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)))
993	#else	1129	#else
994	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1130	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
995	ecb_function_ uint16_t	1131	ecb_function_ ecb_const uint16_t
996	ecb_bswap16 (uint16_t x)	1132	ecb_bswap16 (uint16_t x)
997	{	1133	{
998	return ecb_rotl16 (x, 8);	1134	return ecb_rotl16 (x, 8);
999	}	1135	}
1000		1136
1001	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1137	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
1002	ecb_function_ uint32_t	1138	ecb_function_ ecb_const uint32_t
1003	ecb_bswap32 (uint32_t x)	1139	ecb_bswap32 (uint32_t x)
1004	{	1140	{
1005	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1141	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
1006	}	1142	}
1007		1143
1008	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1144	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1009	ecb_function_ uint64_t	1145	ecb_function_ ecb_const uint64_t
1010	ecb_bswap64 (uint64_t x)	1146	ecb_bswap64 (uint64_t x)
1011	{	1147	{
1012	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1148	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1013	}	1149	}
1014	#endif	1150	#endif
1015		1151
1016	#if ECB_GCC_VERSION(4,5)	1152	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1017	#define ecb_unreachable() __builtin_unreachable ()	1153	#define ecb_unreachable() __builtin_unreachable ()
1018	#else	1154	#else
1019	/* 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 :/ */
1020	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1156	ecb_inline ecb_noreturn void ecb_unreachable (void);
1021	ecb_inline void ecb_unreachable (void) { }	1157	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1022	#endif	1158	#endif
1023		1159
1024	/* try to tell the compiler that some condition is definitely true */	1160	/* try to tell the compiler that some condition is definitely true */
1025	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1161	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1026		1162
1027	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1163	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1028	ecb_inline unsigned char	1164	ecb_inline ecb_const uint32_t
1029	ecb_byteorder_helper (void)	1165	ecb_byteorder_helper (void)
1030	{	1166	{
1031	/* the union code still generates code under pressure in gcc, */	1167	/* the union code still generates code under pressure in gcc, */
1032	/* but less than using pointers, and always seems to */	1168	/* but less than using pointers, and always seems to */
1033	/* successfully return a constant. */	1169	/* successfully return a constant. */
1034	/* the reason why we have this horrible preprocessor mess */	1170	/* the reason why we have this horrible preprocessor mess */
1035	/* 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 */
1036	/* or when using a recent enough gcc version (>= 4.6) */	1172	/* or when using a recent enough gcc version (>= 4.6) */
1037	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
1038	return 0x44;
1039	#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
1040	return 0x44;	1176	return 0x44332211;
1041	#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
1042	return 0x11;	1180	return 0x11223344;
1043	#else	1181	#else
1044	union	1182	union
1045	{	1183	{
		1184	uint8_t c[4];
1046	uint32_t i;	1185	uint32_t u;
1047	uint8_t c;
1048	} u = { 0x11223344 };	1186	} u = { 0x11, 0x22, 0x33, 0x44 };
1049	return u.c;	1187	return u.u;
1050	#endif	1188	#endif
1051	}	1189	}
1052		1190
1053	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1191	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1054	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; }
1055	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1193	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1056	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; }
1057		1195
1058	#if ECB_GCC_VERSION(3,0) || ECB_C99	1196	#if ECB_GCC_VERSION(3,0) || ECB_C99
1059	#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))
1060	#else	1198	#else
1061	#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)))
1062	#endif	1200	#endif
1063		1201
1064	#if __cplusplus	1202	#if ECB_CPP
1065	template<typename T>	1203	template<typename T>
1066	static inline T ecb_div_rd (T val, T div)	1204	static inline T ecb_div_rd (T val, T div)
1067	{	1205	{
1068	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1206	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1069	}	1207	}
…		…
1086	}	1224	}
1087	#else	1225	#else
1088	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1226	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1089	#endif	1227	#endif
1090		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
1091	/*******************************************************************************/	1325	/*******************************************************************************/
1092	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1326	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1093		1327
1094	/* basically, everything uses "ieee pure-endian" floating point numbers */	1328	/* basically, everything uses "ieee pure-endian" floating point numbers */
1095	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1329	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1096	#if 0 \	1330	#if 0 \
1097	|| __i386 || __i386__ \	1331	|| __i386 || __i386__ \
1098	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1332	|| ECB_GCC_AMD64 \
1099	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1333	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1100	|| defined __s390__ || defined __s390x__ \	1334	|| defined __s390__ || defined __s390x__ \
1101	|| defined __mips__ \	1335	|| defined __mips__ \
1102	|| defined __alpha__ \	1336	|| defined __alpha__ \
1103	|| defined __hppa__ \	1337	|| defined __hppa__ \
1104	|| defined __ia64__ \	1338	|| defined __ia64__ \
1105	|| defined __m68k__ \	1339	|| defined __m68k__ \
1106	|| defined __m88k__ \	1340	|| defined __m88k__ \
1107	|| defined __sh__ \	1341	|| defined __sh__ \
1108	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1342	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1109	|| (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__)) \
1110	|| defined __aarch64__	1344	|| defined __aarch64__
1111	#define ECB_STDFP 1	1345	#define ECB_STDFP 1
1112	#include <string.h> /* for memcpy */	1346	#include <string.h> /* for memcpy */
1113	#else	1347	#else
…		…
1129	#define ECB_NAN NAN	1363	#define ECB_NAN NAN
1130	#else	1364	#else
1131	#define ECB_NAN ECB_INFINITY	1365	#define ECB_NAN ECB_INFINITY
1132	#endif	1366	#endif
1133		1367
1134	/* converts an ieee half/binary16 to a float */	1368	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1135	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1369	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1136	ecb_function_ float	1370	#define ecb_frexpf(x,e) frexpf ((x), (e))
1137	ecb_binary16_to_float (uint16_t x)	1371	#else
1138	{	1372	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1139	int e = (x >> 10) & 0x1f;	1373	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1140	int m = x & 0x3ff;	1374	#endif
1141	float r;
1142
1143	if (!e ) r = ldexpf (m , -24);
1144	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1145	else if (m ) r = ECB_NAN;
1146	else r = ECB_INFINITY;
1147
1148	return x & 0x8000 ? -r : r;
1149	}
1150		1375
1151	/* convert a float to ieee single/binary32 */	1376	/* convert a float to ieee single/binary32 */
1152	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);
1153	ecb_function_ uint32_t	1378	ecb_function_ ecb_const uint32_t
1154	ecb_float_to_binary32 (float x)	1379	ecb_float_to_binary32 (float x)
1155	{	1380	{
1156	uint32_t r;	1381	uint32_t r;
1157		1382
1158	#if ECB_STDFP	1383	#if ECB_STDFP
…		…
1165	if (x == 0e0f ) return 0x00000000U;	1390	if (x == 0e0f ) return 0x00000000U;
1166	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1391	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1167	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1392	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1168	if (x != x ) return 0x7fbfffffU;	1393	if (x != x ) return 0x7fbfffffU;
1169		1394
1170	m = frexpf (x, &e) * 0x1000000U;	1395	m = ecb_frexpf (x, &e) * 0x1000000U;
1171		1396
1172	r = m & 0x80000000U;	1397	r = m & 0x80000000U;
1173		1398
1174	if (r)	1399	if (r)
1175	m = -m;	1400	m = -m;
…		…
1187		1412
1188	return r;	1413	return r;
1189	}	1414	}
1190		1415
1191	/* converts an ieee single/binary32 to a float */	1416	/* converts an ieee single/binary32 to a float */
1192	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);
1193	ecb_function_ float	1418	ecb_function_ ecb_const float
1194	ecb_binary32_to_float (uint32_t x)	1419	ecb_binary32_to_float (uint32_t x)
1195	{	1420	{
1196	float r;	1421	float r;
1197		1422
1198	#if ECB_STDFP	1423	#if ECB_STDFP
…		…
1208	x |= 0x800000U;	1433	x |= 0x800000U;
1209	else	1434	else
1210	e = 1;	1435	e = 1;
1211		1436
1212	/* 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 */
1213	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1438	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1214		1439
1215	r = neg ? -r : r;	1440	r = neg ? -r : r;
1216	#endif	1441	#endif
1217		1442
1218	return r;	1443	return r;
1219	}	1444	}
1220		1445
1221	/* convert a double to ieee double/binary64 */	1446	/* convert a double to ieee double/binary64 */
1222	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);
1223	ecb_function_ uint64_t	1448	ecb_function_ ecb_const uint64_t
1224	ecb_double_to_binary64 (double x)	1449	ecb_double_to_binary64 (double x)
1225	{	1450	{
1226	uint64_t r;	1451	uint64_t r;
1227		1452
1228	#if ECB_STDFP	1453	#if ECB_STDFP
…		…
1257		1482
1258	return r;	1483	return r;
1259	}	1484	}
1260		1485
1261	/* converts an ieee double/binary64 to a double */	1486	/* converts an ieee double/binary64 to a double */
1262	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);
1263	ecb_function_ double	1488	ecb_function_ ecb_const double
1264	ecb_binary64_to_double (uint64_t x)	1489	ecb_binary64_to_double (uint64_t x)
1265	{	1490	{
1266	double r;	1491	double r;
1267		1492
1268	#if ECB_STDFP	1493	#if ECB_STDFP
…		…
1286	#endif	1511	#endif
1287		1512
1288	return r;	1513	return r;
1289	}	1514	}
1290		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));
		1530	}
		1531
1291	#endif	1532	#endif
1292		1533
1293	#endif	1534	#endif
1294		1535
1295	/* ECB.H END */	1536	/* ECB.H END */
1296		1537
1297	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1538	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1298	/* if your architecture doesn't need memory fences, e.g. because it is	1539	/* if your architecture doesn't need memory fences, e.g. because it is
1299	* single-cpu/core, or if you use libev in a project that doesn't use libev	1540	* single-cpu/core, or if you use libev in a project that doesn't use libev
1300	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1541	* from multiple threads, then you can define ECB_NO_THREADS when compiling
1301	* libev, in which cases the memory fences become nops.	1542	* libev, in which cases the memory fences become nops.
1302	* alternatively, you can remove this #error and link against libpthread,	1543	* alternatively, you can remove this #error and link against libpthread,
1303	* which will then provide the memory fences.	1544	* which will then provide the memory fences.
1304	*/	1545	*/
1305	# error "memory fences not defined for your architecture, please report"	1546	# error "memory fences not defined for your architecture, please report"
…		…
1309	# define ECB_MEMORY_FENCE do { } while (0)	1550	# define ECB_MEMORY_FENCE do { } while (0)
1310	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	1551	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1311	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	1552	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1312	#endif	1553	#endif
1313		1554
1314	#define expect_false(cond) ecb_expect_false (cond)
1315	#define expect_true(cond) ecb_expect_true (cond)
1316	#define noinline ecb_noinline
1317
1318	#define inline_size ecb_inline	1555	#define inline_size ecb_inline
1319		1556
1320	#if EV_FEATURE_CODE	1557	#if EV_FEATURE_CODE
1321	# define inline_speed ecb_inline	1558	# define inline_speed ecb_inline
1322	#else	1559	#else
1323	# define inline_speed static noinline	1560	# define inline_speed ecb_noinline static
1324	#endif	1561	#endif
1325		1562
1326	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1563	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1327		1564
1328	#if EV_MINPRI == EV_MAXPRI	1565	#if EV_MINPRI == EV_MAXPRI
1329	# define ABSPRI(w) (((W)w), 0)	1566	# define ABSPRI(w) (((W)w), 0)
1330	#else	1567	#else
1331	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1568	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1332	#endif	1569	#endif
1333		1570
1334	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1571	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1335	#define EMPTY2(a,b) /* used to suppress some warnings */
1336		1572
1337	typedef ev_watcher *W;	1573	typedef ev_watcher *W;
1338	typedef ev_watcher_list *WL;	1574	typedef ev_watcher_list *WL;
1339	typedef ev_watcher_time *WT;	1575	typedef ev_watcher_time *WT;
1340		1576
…		…
1365	# include "ev_win32.c"	1601	# include "ev_win32.c"
1366	#endif	1602	#endif
1367		1603
1368	/*****************************************************************************/	1604	/*****************************************************************************/
1369		1605
		1606	#if EV_USE_LINUXAIO
		1607	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1608	#endif
		1609
1370	/* define a suitable floor function (only used by periodics atm) */	1610	/* define a suitable floor function (only used by periodics atm) */
1371		1611
1372	#if EV_USE_FLOOR	1612	#if EV_USE_FLOOR
1373	# include <math.h>	1613	# include <math.h>
1374	# define ev_floor(v) floor (v)	1614	# define ev_floor(v) floor (v)
1375	#else	1615	#else
1376		1616
1377	#include <float.h>	1617	#include <float.h>
1378		1618
1379	/* a floor() replacement function, should be independent of ev_tstamp type */	1619	/* a floor() replacement function, should be independent of ev_tstamp type */
		1620	ecb_noinline
1380	static ev_tstamp noinline	1621	static ev_tstamp
1381	ev_floor (ev_tstamp v)	1622	ev_floor (ev_tstamp v)
1382	{	1623	{
1383	/* the choice of shift factor is not terribly important */	1624	/* the choice of shift factor is not terribly important */
1384	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1625	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1385	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1626	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1386	#else	1627	#else
1387	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;	1628	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1388	#endif	1629	#endif
1389		1630
1390	/* argument too large for an unsigned long? */	1631	/* argument too large for an unsigned long? */
1391	if (expect_false (v >= shift))	1632	if (ecb_expect_false (v >= shift))
1392	{	1633	{
1393	ev_tstamp f;	1634	ev_tstamp f;
1394		1635
1395	if (v == v - 1.)	1636	if (v == v - 1.)
1396	return v; /* very large number */	1637	return v; /* very large number */
…		…
1398	f = shift * ev_floor (v * (1. / shift));	1639	f = shift * ev_floor (v * (1. / shift));
1399	return f + ev_floor (v - f);	1640	return f + ev_floor (v - f);
1400	}	1641	}
1401		1642
1402	/* special treatment for negative args? */	1643	/* special treatment for negative args? */
1403	if (expect_false (v < 0.))	1644	if (ecb_expect_false (v < 0.))
1404	{	1645	{
1405	ev_tstamp f = -ev_floor (-v);	1646	ev_tstamp f = -ev_floor (-v);
1406		1647
1407	return f - (f == v ? 0 : 1);	1648	return f - (f == v ? 0 : 1);
1408	}	1649	}
…		…
1417		1658
1418	#ifdef __linux	1659	#ifdef __linux
1419	# include <sys/utsname.h>	1660	# include <sys/utsname.h>
1420	#endif	1661	#endif
1421		1662
1422	static unsigned int noinline ecb_cold	1663	ecb_noinline ecb_cold
		1664	static unsigned int
1423	ev_linux_version (void)	1665	ev_linux_version (void)
1424	{	1666	{
1425	#ifdef __linux	1667	#ifdef __linux
1426	unsigned int v = 0;	1668	unsigned int v = 0;
1427	struct utsname buf;	1669	struct utsname buf;
…		…
1456	}	1698	}
1457		1699
1458	/*****************************************************************************/	1700	/*****************************************************************************/
1459		1701
1460	#if EV_AVOID_STDIO	1702	#if EV_AVOID_STDIO
1461	static void noinline ecb_cold	1703	ecb_noinline ecb_cold
		1704	static void
1462	ev_printerr (const char *msg)	1705	ev_printerr (const char *msg)
1463	{	1706	{
1464	write (STDERR_FILENO, msg, strlen (msg));	1707	write (STDERR_FILENO, msg, strlen (msg));
1465	}	1708	}
1466	#endif	1709	#endif
1467		1710
1468	static void (*syserr_cb)(const char *msg) EV_THROW;	1711	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1469		1712
1470	void ecb_cold	1713	ecb_cold
		1714	void
1471	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1715	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1472	{	1716	{
1473	syserr_cb = cb;	1717	syserr_cb = cb;
1474	}	1718	}
1475		1719
1476	static void noinline ecb_cold	1720	ecb_noinline ecb_cold
		1721	static void
1477	ev_syserr (const char *msg)	1722	ev_syserr (const char *msg)
1478	{	1723	{
1479	if (!msg)	1724	if (!msg)
1480	msg = "(libev) system error";	1725	msg = "(libev) system error";
1481		1726
…		…
1494	abort ();	1739	abort ();
1495	}	1740	}
1496	}	1741	}
1497		1742
1498	static void *	1743	static void *
1499	ev_realloc_emul (void *ptr, long size) EV_THROW	1744	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1500	{	1745	{
1501	/* some systems, notably openbsd and darwin, fail to properly	1746	/* some systems, notably openbsd and darwin, fail to properly
1502	* implement realloc (x, 0) (as required by both ansi c-89 and	1747	* implement realloc (x, 0) (as required by both ansi c-89 and
1503	* the single unix specification, so work around them here.	1748	* the single unix specification, so work around them here.
1504	* recently, also (at least) fedora and debian started breaking it,	1749	* recently, also (at least) fedora and debian started breaking it,
…		…
1510		1755
1511	free (ptr);	1756	free (ptr);
1512	return 0;	1757	return 0;
1513	}	1758	}
1514		1759
1515	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1760	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1516		1761
1517	void ecb_cold	1762	ecb_cold
		1763	void
1518	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1764	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1519	{	1765	{
1520	alloc = cb;	1766	alloc = cb;
1521	}	1767	}
1522		1768
1523	inline_speed void *	1769	inline_speed void *
…		…
1550	typedef struct	1796	typedef struct
1551	{	1797	{
1552	WL head;	1798	WL head;
1553	unsigned char events; /* the events watched for */	1799	unsigned char events; /* the events watched for */
1554	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1800	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1555	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1801	unsigned char emask; /* some backends store the actual kernel mask in here */
1556	unsigned char unused;	1802	unsigned char unused;
1557	#if EV_USE_EPOLL	1803	#if EV_USE_EPOLL
1558	unsigned int egen; /* generation counter to counter epoll bugs */	1804	unsigned int egen; /* generation counter to counter epoll bugs */
1559	#endif	1805	#endif
1560	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1806	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1625	static int ev_default_loop_ptr;	1871	static int ev_default_loop_ptr;
1626		1872
1627	#endif	1873	#endif
1628		1874
1629	#if EV_FEATURE_API	1875	#if EV_FEATURE_API
1630	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	1876	# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1631	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	1877	# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1632	# define EV_INVOKE_PENDING invoke_cb (EV_A)	1878	# define EV_INVOKE_PENDING invoke_cb (EV_A)
1633	#else	1879	#else
1634	# define EV_RELEASE_CB (void)0	1880	# define EV_RELEASE_CB (void)0
1635	# define EV_ACQUIRE_CB (void)0	1881	# define EV_ACQUIRE_CB (void)0
1636	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	1882	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
…		…
1640		1886
1641	/*****************************************************************************/	1887	/*****************************************************************************/
1642		1888
1643	#ifndef EV_HAVE_EV_TIME	1889	#ifndef EV_HAVE_EV_TIME
1644	ev_tstamp	1890	ev_tstamp
1645	ev_time (void) EV_THROW	1891	ev_time (void) EV_NOEXCEPT
1646	{	1892	{
1647	#if EV_USE_REALTIME	1893	#if EV_USE_REALTIME
1648	if (expect_true (have_realtime))	1894	if (ecb_expect_true (have_realtime))
1649	{	1895	{
1650	struct timespec ts;	1896	struct timespec ts;
1651	clock_gettime (CLOCK_REALTIME, &ts);	1897	clock_gettime (CLOCK_REALTIME, &ts);
1652	return ts.tv_sec + ts.tv_nsec * 1e-9;	1898	return ts.tv_sec + ts.tv_nsec * 1e-9;
1653	}	1899	}
…		…
1661		1907
1662	inline_size ev_tstamp	1908	inline_size ev_tstamp
1663	get_clock (void)	1909	get_clock (void)
1664	{	1910	{
1665	#if EV_USE_MONOTONIC	1911	#if EV_USE_MONOTONIC
1666	if (expect_true (have_monotonic))	1912	if (ecb_expect_true (have_monotonic))
1667	{	1913	{
1668	struct timespec ts;	1914	struct timespec ts;
1669	clock_gettime (CLOCK_MONOTONIC, &ts);	1915	clock_gettime (CLOCK_MONOTONIC, &ts);
1670	return ts.tv_sec + ts.tv_nsec * 1e-9;	1916	return ts.tv_sec + ts.tv_nsec * 1e-9;
1671	}	1917	}
…		…
1674	return ev_time ();	1920	return ev_time ();
1675	}	1921	}
1676		1922
1677	#if EV_MULTIPLICITY	1923	#if EV_MULTIPLICITY
1678	ev_tstamp	1924	ev_tstamp
1679	ev_now (EV_P) EV_THROW	1925	ev_now (EV_P) EV_NOEXCEPT
1680	{	1926	{
1681	return ev_rt_now;	1927	return ev_rt_now;
1682	}	1928	}
1683	#endif	1929	#endif
1684		1930
1685	void	1931	void
1686	ev_sleep (ev_tstamp delay) EV_THROW	1932	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1687	{	1933	{
1688	if (delay > 0.)	1934	if (delay > 0.)
1689	{	1935	{
1690	#if EV_USE_NANOSLEEP	1936	#if EV_USE_NANOSLEEP
1691	struct timespec ts;	1937	struct timespec ts;
1692		1938
1693	EV_TS_SET (ts, delay);	1939	EV_TS_SET (ts, delay);
1694	nanosleep (&ts, 0);	1940	nanosleep (&ts, 0);
1695	#elif defined _WIN32	1941	#elif defined _WIN32
		1942	/* maybe this should round up, as ms is very low resolution */
		1943	/* compared to select (µs) or nanosleep (ns) */
1696	Sleep ((unsigned long)(delay * 1e3));	1944	Sleep ((unsigned long)(delay * 1e3));
1697	#else	1945	#else
1698	struct timeval tv;	1946	struct timeval tv;
1699		1947
1700	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1948	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1731	}	1979	}
1732		1980
1733	return ncur;	1981	return ncur;
1734	}	1982	}
1735		1983
1736	static void * noinline ecb_cold	1984	ecb_noinline ecb_cold
		1985	static void *
1737	array_realloc (int elem, void *base, int *cur, int cnt)	1986	array_realloc (int elem, void *base, int *cur, int cnt)
1738	{	1987	{
1739	*cur = array_nextsize (elem, *cur, cnt);	1988	*cur = array_nextsize (elem, *cur, cnt);
1740	return ev_realloc (base, elem * *cur);	1989	return ev_realloc (base, elem * *cur);
1741	}	1990	}
1742		1991
		1992	#define array_needsize_noinit(base,offset,count)
		1993
1743	#define array_init_zero(base,count) \	1994	#define array_needsize_zerofill(base,offset,count) \
1744	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1995	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1745		1996
1746	#define array_needsize(type,base,cur,cnt,init) \	1997	#define array_needsize(type,base,cur,cnt,init) \
1747	if (expect_false ((cnt) > (cur))) \	1998	if (ecb_expect_false ((cnt) > (cur))) \
1748	{ \	1999	{ \
1749	int ecb_unused ocur_ = (cur); \	2000	ecb_unused int ocur_ = (cur); \
1750	(base) = (type *)array_realloc \	2001	(base) = (type *)array_realloc \
1751	(sizeof (type), (base), &(cur), (cnt)); \	2002	(sizeof (type), (base), &(cur), (cnt)); \
1752	init ((base) + (ocur_), (cur) - ocur_); \	2003	init ((base), ocur_, ((cur) - ocur_)); \
1753	}	2004	}
1754		2005
1755	#if 0	2006	#if 0
1756	#define array_slim(type,stem) \	2007	#define array_slim(type,stem) \
1757	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2008	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
…		…
1766	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2017	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1767		2018
1768	/*****************************************************************************/	2019	/*****************************************************************************/
1769		2020
1770	/* dummy callback for pending events */	2021	/* dummy callback for pending events */
1771	static void noinline	2022	ecb_noinline
		2023	static void
1772	pendingcb (EV_P_ ev_prepare *w, int revents)	2024	pendingcb (EV_P_ ev_prepare *w, int revents)
1773	{	2025	{
1774	}	2026	}
1775		2027
1776	void noinline	2028	ecb_noinline
		2029	void
1777	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2030	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1778	{	2031	{
1779	W w_ = (W)w;	2032	W w_ = (W)w;
1780	int pri = ABSPRI (w_);	2033	int pri = ABSPRI (w_);
1781		2034
1782	if (expect_false (w_->pending))	2035	if (ecb_expect_false (w_->pending))
1783	pendings [pri][w_->pending - 1].events |= revents;	2036	pendings [pri][w_->pending - 1].events |= revents;
1784	else	2037	else
1785	{	2038	{
1786	w_->pending = ++pendingcnt [pri];	2039	w_->pending = ++pendingcnt [pri];
1787	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2040	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1788	pendings [pri][w_->pending - 1].w = w_;	2041	pendings [pri][w_->pending - 1].w = w_;
1789	pendings [pri][w_->pending - 1].events = revents;	2042	pendings [pri][w_->pending - 1].events = revents;
1790	}	2043	}
1791		2044
1792	pendingpri = NUMPRI - 1;	2045	pendingpri = NUMPRI - 1;
1793	}	2046	}
1794		2047
1795	inline_speed void	2048	inline_speed void
1796	feed_reverse (EV_P_ W w)	2049	feed_reverse (EV_P_ W w)
1797	{	2050	{
1798	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2051	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1799	rfeeds [rfeedcnt++] = w;	2052	rfeeds [rfeedcnt++] = w;
1800	}	2053	}
1801		2054
1802	inline_size void	2055	inline_size void
1803	feed_reverse_done (EV_P_ int revents)	2056	feed_reverse_done (EV_P_ int revents)
…		…
1838	inline_speed void	2091	inline_speed void
1839	fd_event (EV_P_ int fd, int revents)	2092	fd_event (EV_P_ int fd, int revents)
1840	{	2093	{
1841	ANFD *anfd = anfds + fd;	2094	ANFD *anfd = anfds + fd;
1842		2095
1843	if (expect_true (!anfd->reify))	2096	if (ecb_expect_true (!anfd->reify))
1844	fd_event_nocheck (EV_A_ fd, revents);	2097	fd_event_nocheck (EV_A_ fd, revents);
1845	}	2098	}
1846		2099
1847	void	2100	void
1848	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2101	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1849	{	2102	{
1850	if (fd >= 0 && fd < anfdmax)	2103	if (fd >= 0 && fd < anfdmax)
1851	fd_event_nocheck (EV_A_ fd, revents);	2104	fd_event_nocheck (EV_A_ fd, revents);
1852	}	2105	}
1853		2106
…		…
1890	ev_io *w;	2143	ev_io *w;
1891		2144
1892	unsigned char o_events = anfd->events;	2145	unsigned char o_events = anfd->events;
1893	unsigned char o_reify = anfd->reify;	2146	unsigned char o_reify = anfd->reify;
1894		2147
1895	anfd->reify = 0;	2148	anfd->reify = 0;
1896		2149
1897	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2150	/*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1898	{	2151	{
1899	anfd->events = 0;	2152	anfd->events = 0;
1900		2153
1901	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	2154	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1902	anfd->events |= (unsigned char)w->events;	2155	anfd->events |= (unsigned char)w->events;
…		…
1911		2164
1912	fdchangecnt = 0;	2165	fdchangecnt = 0;
1913	}	2166	}
1914		2167
1915	/* something about the given fd changed */	2168	/* something about the given fd changed */
1916	inline_size void	2169	inline_size
		2170	void
1917	fd_change (EV_P_ int fd, int flags)	2171	fd_change (EV_P_ int fd, int flags)
1918	{	2172	{
1919	unsigned char reify = anfds [fd].reify;	2173	unsigned char reify = anfds [fd].reify;
1920	anfds [fd].reify |= flags;	2174	anfds [fd].reify |= flags;
1921		2175
1922	if (expect_true (!reify))	2176	if (ecb_expect_true (!reify))
1923	{	2177	{
1924	++fdchangecnt;	2178	++fdchangecnt;
1925	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2179	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1926	fdchanges [fdchangecnt - 1] = fd;	2180	fdchanges [fdchangecnt - 1] = fd;
1927	}	2181	}
1928	}	2182	}
1929		2183
1930	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2184	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1931	inline_speed void ecb_cold	2185	inline_speed ecb_cold void
1932	fd_kill (EV_P_ int fd)	2186	fd_kill (EV_P_ int fd)
1933	{	2187	{
1934	ev_io *w;	2188	ev_io *w;
1935		2189
1936	while ((w = (ev_io *)anfds [fd].head))	2190	while ((w = (ev_io *)anfds [fd].head))
…		…
1939	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2193	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1940	}	2194	}
1941	}	2195	}
1942		2196
1943	/* check whether the given fd is actually valid, for error recovery */	2197	/* check whether the given fd is actually valid, for error recovery */
1944	inline_size int ecb_cold	2198	inline_size ecb_cold int
1945	fd_valid (int fd)	2199	fd_valid (int fd)
1946	{	2200	{
1947	#ifdef _WIN32	2201	#ifdef _WIN32
1948	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2202	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1949	#else	2203	#else
1950	return fcntl (fd, F_GETFD) != -1;	2204	return fcntl (fd, F_GETFD) != -1;
1951	#endif	2205	#endif
1952	}	2206	}
1953		2207
1954	/* called on EBADF to verify fds */	2208	/* called on EBADF to verify fds */
1955	static void noinline ecb_cold	2209	ecb_noinline ecb_cold
		2210	static void
1956	fd_ebadf (EV_P)	2211	fd_ebadf (EV_P)
1957	{	2212	{
1958	int fd;	2213	int fd;
1959		2214
1960	for (fd = 0; fd < anfdmax; ++fd)	2215	for (fd = 0; fd < anfdmax; ++fd)
…		…
1962	if (!fd_valid (fd) && errno == EBADF)	2217	if (!fd_valid (fd) && errno == EBADF)
1963	fd_kill (EV_A_ fd);	2218	fd_kill (EV_A_ fd);
1964	}	2219	}
1965		2220
1966	/* called on ENOMEM in select/poll to kill some fds and retry */	2221	/* called on ENOMEM in select/poll to kill some fds and retry */
1967	static void noinline ecb_cold	2222	ecb_noinline ecb_cold
		2223	static void
1968	fd_enomem (EV_P)	2224	fd_enomem (EV_P)
1969	{	2225	{
1970	int fd;	2226	int fd;
1971		2227
1972	for (fd = anfdmax; fd--; )	2228	for (fd = anfdmax; fd--; )
…		…
1976	break;	2232	break;
1977	}	2233	}
1978	}	2234	}
1979		2235
1980	/* usually called after fork if backend needs to re-arm all fds from scratch */	2236	/* usually called after fork if backend needs to re-arm all fds from scratch */
1981	static void noinline	2237	ecb_noinline
		2238	static void
1982	fd_rearm_all (EV_P)	2239	fd_rearm_all (EV_P)
1983	{	2240	{
1984	int fd;	2241	int fd;
1985		2242
1986	for (fd = 0; fd < anfdmax; ++fd)	2243	for (fd = 0; fd < anfdmax; ++fd)
…		…
2039	ev_tstamp minat;	2296	ev_tstamp minat;
2040	ANHE *minpos;	2297	ANHE *minpos;
2041	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;	2298	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2042		2299
2043	/* find minimum child */	2300	/* find minimum child */
2044	if (expect_true (pos + DHEAP - 1 < E))	2301	if (ecb_expect_true (pos + DHEAP - 1 < E))
2045	{	2302	{
2046	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2303	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2047	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2304	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2048	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2305	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2049	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2306	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
…		…
2167		2424
2168	/*****************************************************************************/	2425	/*****************************************************************************/
2169		2426
2170	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2427	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2171		2428
2172	static void noinline ecb_cold	2429	ecb_noinline ecb_cold
		2430	static void
2173	evpipe_init (EV_P)	2431	evpipe_init (EV_P)
2174	{	2432	{
2175	if (!ev_is_active (&pipe_w))	2433	if (!ev_is_active (&pipe_w))
2176	{	2434	{
2177	int fds [2];	2435	int fds [2];
…		…
2217	inline_speed void	2475	inline_speed void
2218	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	2476	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2219	{	2477	{
2220	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */	2478	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2221		2479
2222	if (expect_true (*flag))	2480	if (ecb_expect_true (*flag))
2223	return;	2481	return;
2224		2482
2225	*flag = 1;	2483	*flag = 1;
2226	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2484	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2227		2485
…		…
2248	#endif	2506	#endif
2249	{	2507	{
2250	#ifdef _WIN32	2508	#ifdef _WIN32
2251	WSABUF buf;	2509	WSABUF buf;
2252	DWORD sent;	2510	DWORD sent;
2253	buf.buf = &buf;	2511	buf.buf = (char *)&buf;
2254	buf.len = 1;	2512	buf.len = 1;
2255	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2513	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2256	#else	2514	#else
2257	write (evpipe [1], &(evpipe [1]), 1);	2515	write (evpipe [1], &(evpipe [1]), 1);
2258	#endif	2516	#endif
…		…
2304	sig_pending = 0;	2562	sig_pending = 0;
2305		2563
2306	ECB_MEMORY_FENCE;	2564	ECB_MEMORY_FENCE;
2307		2565
2308	for (i = EV_NSIG - 1; i--; )	2566	for (i = EV_NSIG - 1; i--; )
2309	if (expect_false (signals [i].pending))	2567	if (ecb_expect_false (signals [i].pending))
2310	ev_feed_signal_event (EV_A_ i + 1);	2568	ev_feed_signal_event (EV_A_ i + 1);
2311	}	2569	}
2312	#endif	2570	#endif
2313		2571
2314	#if EV_ASYNC_ENABLE	2572	#if EV_ASYNC_ENABLE
…		…
2330	}	2588	}
2331		2589
2332	/*****************************************************************************/	2590	/*****************************************************************************/
2333		2591
2334	void	2592	void
2335	ev_feed_signal (int signum) EV_THROW	2593	ev_feed_signal (int signum) EV_NOEXCEPT
2336	{	2594	{
2337	#if EV_MULTIPLICITY	2595	#if EV_MULTIPLICITY
2338	EV_P;	2596	EV_P;
2339	ECB_MEMORY_FENCE_ACQUIRE;	2597	ECB_MEMORY_FENCE_ACQUIRE;
2340	EV_A = signals [signum - 1].loop;	2598	EV_A = signals [signum - 1].loop;
…		…
2355	#endif	2613	#endif
2356		2614
2357	ev_feed_signal (signum);	2615	ev_feed_signal (signum);
2358	}	2616	}
2359		2617
2360	void noinline	2618	ecb_noinline
		2619	void
2361	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2620	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2362	{	2621	{
2363	WL w;	2622	WL w;
2364		2623
2365	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2624	if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2366	return;	2625	return;
2367		2626
2368	--signum;	2627	--signum;
2369		2628
2370	#if EV_MULTIPLICITY	2629	#if EV_MULTIPLICITY
2371	/* it is permissible to try to feed a signal to the wrong loop */	2630	/* it is permissible to try to feed a signal to the wrong loop */
2372	/* or, likely more useful, feeding a signal nobody is waiting for */	2631	/* or, likely more useful, feeding a signal nobody is waiting for */
2373		2632
2374	if (expect_false (signals [signum].loop != EV_A))	2633	if (ecb_expect_false (signals [signum].loop != EV_A))
2375	return;	2634	return;
2376	#endif	2635	#endif
2377		2636
2378	signals [signum].pending = 0;	2637	signals [signum].pending = 0;
2379	ECB_MEMORY_FENCE_RELEASE;	2638	ECB_MEMORY_FENCE_RELEASE;
…		…
2475	# include "ev_kqueue.c"	2734	# include "ev_kqueue.c"
2476	#endif	2735	#endif
2477	#if EV_USE_EPOLL	2736	#if EV_USE_EPOLL
2478	# include "ev_epoll.c"	2737	# include "ev_epoll.c"
2479	#endif	2738	#endif
		2739	#if EV_USE_LINUXAIO
		2740	# include "ev_linuxaio.c"
		2741	#endif
2480	#if EV_USE_POLL	2742	#if EV_USE_POLL
2481	# include "ev_poll.c"	2743	# include "ev_poll.c"
2482	#endif	2744	#endif
2483	#if EV_USE_SELECT	2745	#if EV_USE_SELECT
2484	# include "ev_select.c"	2746	# include "ev_select.c"
2485	#endif	2747	#endif
2486		2748
2487	int ecb_cold	2749	ecb_cold int
2488	ev_version_major (void) EV_THROW	2750	ev_version_major (void) EV_NOEXCEPT
2489	{	2751	{
2490	return EV_VERSION_MAJOR;	2752	return EV_VERSION_MAJOR;
2491	}	2753	}
2492		2754
2493	int ecb_cold	2755	ecb_cold int
2494	ev_version_minor (void) EV_THROW	2756	ev_version_minor (void) EV_NOEXCEPT
2495	{	2757	{
2496	return EV_VERSION_MINOR;	2758	return EV_VERSION_MINOR;
2497	}	2759	}
2498		2760
2499	/* return true if we are running with elevated privileges and should ignore env variables */	2761	/* return true if we are running with elevated privileges and should ignore env variables */
2500	int inline_size ecb_cold	2762	inline_size ecb_cold int
2501	enable_secure (void)	2763	enable_secure (void)
2502	{	2764	{
2503	#ifdef _WIN32	2765	#ifdef _WIN32
2504	return 0;	2766	return 0;
2505	#else	2767	#else
2506	return getuid () != geteuid ()	2768	return getuid () != geteuid ()
2507	|| getgid () != getegid ();	2769	|| getgid () != getegid ();
2508	#endif	2770	#endif
2509	}	2771	}
2510		2772
2511	unsigned int ecb_cold	2773	ecb_cold
		2774	unsigned int
2512	ev_supported_backends (void) EV_THROW	2775	ev_supported_backends (void) EV_NOEXCEPT
2513	{	2776	{
2514	unsigned int flags = 0;	2777	unsigned int flags = 0;
2515		2778
2516	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2779	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2517	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2780	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2518	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2781	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2782	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2519	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2783	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2520	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2784	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2521		2785
2522	return flags;	2786	return flags;
2523	}	2787	}
2524		2788
2525	unsigned int ecb_cold	2789	ecb_cold
		2790	unsigned int
2526	ev_recommended_backends (void) EV_THROW	2791	ev_recommended_backends (void) EV_NOEXCEPT
2527	{	2792	{
2528	unsigned int flags = ev_supported_backends ();	2793	unsigned int flags = ev_supported_backends ();
2529		2794
2530	#ifndef __NetBSD__	2795	#ifndef __NetBSD__
2531	/* kqueue is borked on everything but netbsd apparently */	2796	/* kqueue is borked on everything but netbsd apparently */
…		…
2539	#endif	2804	#endif
2540	#ifdef __FreeBSD__	2805	#ifdef __FreeBSD__
2541	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2806	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2542	#endif	2807	#endif
2543		2808
		2809	/* TODO: linuxaio is very experimental */
		2810	#if !EV_RECOMMEND_LINUXAIO
		2811	flags &= ~EVBACKEND_LINUXAIO;
		2812	#endif
		2813
2544	return flags;	2814	return flags;
2545	}	2815	}
2546		2816
2547	unsigned int ecb_cold	2817	ecb_cold
		2818	unsigned int
2548	ev_embeddable_backends (void) EV_THROW	2819	ev_embeddable_backends (void) EV_NOEXCEPT
2549	{	2820	{
2550	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2821	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2551		2822
2552	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2823	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2553	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2824	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2555		2826
2556	return flags;	2827	return flags;
2557	}	2828	}
2558		2829
2559	unsigned int	2830	unsigned int
2560	ev_backend (EV_P) EV_THROW	2831	ev_backend (EV_P) EV_NOEXCEPT
2561	{	2832	{
2562	return backend;	2833	return backend;
2563	}	2834	}
2564		2835
2565	#if EV_FEATURE_API	2836	#if EV_FEATURE_API
2566	unsigned int	2837	unsigned int
2567	ev_iteration (EV_P) EV_THROW	2838	ev_iteration (EV_P) EV_NOEXCEPT
2568	{	2839	{
2569	return loop_count;	2840	return loop_count;
2570	}	2841	}
2571		2842
2572	unsigned int	2843	unsigned int
2573	ev_depth (EV_P) EV_THROW	2844	ev_depth (EV_P) EV_NOEXCEPT
2574	{	2845	{
2575	return loop_depth;	2846	return loop_depth;
2576	}	2847	}
2577		2848
2578	void	2849	void
2579	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2850	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2580	{	2851	{
2581	io_blocktime = interval;	2852	io_blocktime = interval;
2582	}	2853	}
2583		2854
2584	void	2855	void
2585	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2856	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2586	{	2857	{
2587	timeout_blocktime = interval;	2858	timeout_blocktime = interval;
2588	}	2859	}
2589		2860
2590	void	2861	void
2591	ev_set_userdata (EV_P_ void *data) EV_THROW	2862	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2592	{	2863	{
2593	userdata = data;	2864	userdata = data;
2594	}	2865	}
2595		2866
2596	void *	2867	void *
2597	ev_userdata (EV_P) EV_THROW	2868	ev_userdata (EV_P) EV_NOEXCEPT
2598	{	2869	{
2599	return userdata;	2870	return userdata;
2600	}	2871	}
2601		2872
2602	void	2873	void
2603	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2874	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2604	{	2875	{
2605	invoke_cb = invoke_pending_cb;	2876	invoke_cb = invoke_pending_cb;
2606	}	2877	}
2607		2878
2608	void	2879	void
2609	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW	2880	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2610	{	2881	{
2611	release_cb = release;	2882	release_cb = release;
2612	acquire_cb = acquire;	2883	acquire_cb = acquire;
2613	}	2884	}
2614	#endif	2885	#endif
2615		2886
2616	/* initialise a loop structure, must be zero-initialised */	2887	/* initialise a loop structure, must be zero-initialised */
2617	static void noinline ecb_cold	2888	ecb_noinline ecb_cold
		2889	static void
2618	loop_init (EV_P_ unsigned int flags) EV_THROW	2890	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2619	{	2891	{
2620	if (!backend)	2892	if (!backend)
2621	{	2893	{
2622	origflags = flags;	2894	origflags = flags;
2623		2895
…		…
2681		2953
2682	if (!(flags & EVBACKEND_MASK))	2954	if (!(flags & EVBACKEND_MASK))
2683	flags |= ev_recommended_backends ();	2955	flags |= ev_recommended_backends ();
2684		2956
2685	#if EV_USE_IOCP	2957	#if EV_USE_IOCP
2686	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	2958	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2687	#endif	2959	#endif
2688	#if EV_USE_PORT	2960	#if EV_USE_PORT
2689	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	2961	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2690	#endif	2962	#endif
2691	#if EV_USE_KQUEUE	2963	#if EV_USE_KQUEUE
2692	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	2964	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		2965	#endif
		2966	#if EV_USE_LINUXAIO
		2967	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2693	#endif	2968	#endif
2694	#if EV_USE_EPOLL	2969	#if EV_USE_EPOLL
2695	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	2970	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2696	#endif	2971	#endif
2697	#if EV_USE_POLL	2972	#if EV_USE_POLL
2698	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	2973	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2699	#endif	2974	#endif
2700	#if EV_USE_SELECT	2975	#if EV_USE_SELECT
2701	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	2976	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2702	#endif	2977	#endif
2703		2978
2704	ev_prepare_init (&pending_w, pendingcb);	2979	ev_prepare_init (&pending_w, pendingcb);
2705		2980
2706	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2981	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2709	#endif	2984	#endif
2710	}	2985	}
2711	}	2986	}
2712		2987
2713	/* free up a loop structure */	2988	/* free up a loop structure */
2714	void ecb_cold	2989	ecb_cold
		2990	void
2715	ev_loop_destroy (EV_P)	2991	ev_loop_destroy (EV_P)
2716	{	2992	{
2717	int i;	2993	int i;
2718		2994
2719	#if EV_MULTIPLICITY	2995	#if EV_MULTIPLICITY
…		…
2722	return;	2998	return;
2723	#endif	2999	#endif
2724		3000
2725	#if EV_CLEANUP_ENABLE	3001	#if EV_CLEANUP_ENABLE
2726	/* queue cleanup watchers (and execute them) */	3002	/* queue cleanup watchers (and execute them) */
2727	if (expect_false (cleanupcnt))	3003	if (ecb_expect_false (cleanupcnt))
2728	{	3004	{
2729	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);	3005	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2730	EV_INVOKE_PENDING;	3006	EV_INVOKE_PENDING;
2731	}	3007	}
2732	#endif	3008	#endif
…		…
2760		3036
2761	if (backend_fd >= 0)	3037	if (backend_fd >= 0)
2762	close (backend_fd);	3038	close (backend_fd);
2763		3039
2764	#if EV_USE_IOCP	3040	#if EV_USE_IOCP
2765	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3041	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2766	#endif	3042	#endif
2767	#if EV_USE_PORT	3043	#if EV_USE_PORT
2768	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3044	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2769	#endif	3045	#endif
2770	#if EV_USE_KQUEUE	3046	#if EV_USE_KQUEUE
2771	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3047	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3048	#endif
		3049	#if EV_USE_LINUXAIO
		3050	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2772	#endif	3051	#endif
2773	#if EV_USE_EPOLL	3052	#if EV_USE_EPOLL
2774	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3053	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2775	#endif	3054	#endif
2776	#if EV_USE_POLL	3055	#if EV_USE_POLL
2777	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3056	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2778	#endif	3057	#endif
2779	#if EV_USE_SELECT	3058	#if EV_USE_SELECT
2780	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3059	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2781	#endif	3060	#endif
2782		3061
2783	for (i = NUMPRI; i--; )	3062	for (i = NUMPRI; i--; )
2784	{	3063	{
2785	array_free (pending, [i]);	3064	array_free (pending, [i]);
…		…
2827		3106
2828	inline_size void	3107	inline_size void
2829	loop_fork (EV_P)	3108	loop_fork (EV_P)
2830	{	3109	{
2831	#if EV_USE_PORT	3110	#if EV_USE_PORT
2832	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3111	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2833	#endif	3112	#endif
2834	#if EV_USE_KQUEUE	3113	#if EV_USE_KQUEUE
2835	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3114	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3115	#endif
		3116	#if EV_USE_LINUXAIO
		3117	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2836	#endif	3118	#endif
2837	#if EV_USE_EPOLL	3119	#if EV_USE_EPOLL
2838	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3120	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2839	#endif	3121	#endif
2840	#if EV_USE_INOTIFY	3122	#if EV_USE_INOTIFY
2841	infy_fork (EV_A);	3123	infy_fork (EV_A);
2842	#endif	3124	#endif
2843		3125
2844	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3126	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2845	if (ev_is_active (&pipe_w))	3127	if (ev_is_active (&pipe_w) && postfork != 2)
2846	{	3128	{
2847	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3129	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2848		3130
2849	ev_ref (EV_A);	3131	ev_ref (EV_A);
2850	ev_io_stop (EV_A_ &pipe_w);	3132	ev_io_stop (EV_A_ &pipe_w);
…		…
2861	postfork = 0;	3143	postfork = 0;
2862	}	3144	}
2863		3145
2864	#if EV_MULTIPLICITY	3146	#if EV_MULTIPLICITY
2865		3147
		3148	ecb_cold
2866	struct ev_loop * ecb_cold	3149	struct ev_loop *
2867	ev_loop_new (unsigned int flags) EV_THROW	3150	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2868	{	3151	{
2869	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3152	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2870		3153
2871	memset (EV_A, 0, sizeof (struct ev_loop));	3154	memset (EV_A, 0, sizeof (struct ev_loop));
2872	loop_init (EV_A_ flags);	3155	loop_init (EV_A_ flags);
…		…
2879	}	3162	}
2880		3163
2881	#endif /* multiplicity */	3164	#endif /* multiplicity */
2882		3165
2883	#if EV_VERIFY	3166	#if EV_VERIFY
2884	static void noinline ecb_cold	3167	ecb_noinline ecb_cold
		3168	static void
2885	verify_watcher (EV_P_ W w)	3169	verify_watcher (EV_P_ W w)
2886	{	3170	{
2887	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3171	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2888		3172
2889	if (w->pending)	3173	if (w->pending)
2890	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3174	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2891	}	3175	}
2892		3176
2893	static void noinline ecb_cold	3177	ecb_noinline ecb_cold
		3178	static void
2894	verify_heap (EV_P_ ANHE *heap, int N)	3179	verify_heap (EV_P_ ANHE *heap, int N)
2895	{	3180	{
2896	int i;	3181	int i;
2897		3182
2898	for (i = HEAP0; i < N + HEAP0; ++i)	3183	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2903		3188
2904	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3189	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2905	}	3190	}
2906	}	3191	}
2907		3192
2908	static void noinline ecb_cold	3193	ecb_noinline ecb_cold
		3194	static void
2909	array_verify (EV_P_ W *ws, int cnt)	3195	array_verify (EV_P_ W *ws, int cnt)
2910	{	3196	{
2911	while (cnt--)	3197	while (cnt--)
2912	{	3198	{
2913	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3199	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2916	}	3202	}
2917	#endif	3203	#endif
2918		3204
2919	#if EV_FEATURE_API	3205	#if EV_FEATURE_API
2920	void ecb_cold	3206	void ecb_cold
2921	ev_verify (EV_P) EV_THROW	3207	ev_verify (EV_P) EV_NOEXCEPT
2922	{	3208	{
2923	#if EV_VERIFY	3209	#if EV_VERIFY
2924	int i;	3210	int i;
2925	WL w, w2;	3211	WL w, w2;
2926		3212
…		…
3002	#endif	3288	#endif
3003	}	3289	}
3004	#endif	3290	#endif
3005		3291
3006	#if EV_MULTIPLICITY	3292	#if EV_MULTIPLICITY
		3293	ecb_cold
3007	struct ev_loop * ecb_cold	3294	struct ev_loop *
3008	#else	3295	#else
3009	int	3296	int
3010	#endif	3297	#endif
3011	ev_default_loop (unsigned int flags) EV_THROW	3298	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3012	{	3299	{
3013	if (!ev_default_loop_ptr)	3300	if (!ev_default_loop_ptr)
3014	{	3301	{
3015	#if EV_MULTIPLICITY	3302	#if EV_MULTIPLICITY
3016	EV_P = ev_default_loop_ptr = &default_loop_struct;	3303	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3035		3322
3036	return ev_default_loop_ptr;	3323	return ev_default_loop_ptr;
3037	}	3324	}
3038		3325
3039	void	3326	void
3040	ev_loop_fork (EV_P) EV_THROW	3327	ev_loop_fork (EV_P) EV_NOEXCEPT
3041	{	3328	{
3042	postfork = 1;	3329	postfork = 1;
3043	}	3330	}
3044		3331
3045	/*****************************************************************************/	3332	/*****************************************************************************/
…		…
3049	{	3336	{
3050	EV_CB_INVOKE ((W)w, revents);	3337	EV_CB_INVOKE ((W)w, revents);
3051	}	3338	}
3052		3339
3053	unsigned int	3340	unsigned int
3054	ev_pending_count (EV_P) EV_THROW	3341	ev_pending_count (EV_P) EV_NOEXCEPT
3055	{	3342	{
3056	int pri;	3343	int pri;
3057	unsigned int count = 0;	3344	unsigned int count = 0;
3058		3345
3059	for (pri = NUMPRI; pri--; )	3346	for (pri = NUMPRI; pri--; )
3060	count += pendingcnt [pri];	3347	count += pendingcnt [pri];
3061		3348
3062	return count;	3349	return count;
3063	}	3350	}
3064		3351
3065	void noinline	3352	ecb_noinline
		3353	void
3066	ev_invoke_pending (EV_P)	3354	ev_invoke_pending (EV_P)
3067	{	3355	{
3068	pendingpri = NUMPRI;	3356	pendingpri = NUMPRI;
3069		3357
3070	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3358	do
3071	{	3359	{
3072	--pendingpri;	3360	--pendingpri;
3073		3361
		3362	/* pendingpri possibly gets modified in the inner loop */
3074	while (pendingcnt [pendingpri])	3363	while (pendingcnt [pendingpri])
3075	{	3364	{
3076	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3365	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3077		3366
3078	p->w->pending = 0;	3367	p->w->pending = 0;
3079	EV_CB_INVOKE (p->w, p->events);	3368	EV_CB_INVOKE (p->w, p->events);
3080	EV_FREQUENT_CHECK;	3369	EV_FREQUENT_CHECK;
3081	}	3370	}
3082	}	3371	}
		3372	while (pendingpri);
3083	}	3373	}
3084		3374
3085	#if EV_IDLE_ENABLE	3375	#if EV_IDLE_ENABLE
3086	/* make idle watchers pending. this handles the "call-idle */	3376	/* make idle watchers pending. this handles the "call-idle */
3087	/* only when higher priorities are idle" logic */	3377	/* only when higher priorities are idle" logic */
3088	inline_size void	3378	inline_size void
3089	idle_reify (EV_P)	3379	idle_reify (EV_P)
3090	{	3380	{
3091	if (expect_false (idleall))	3381	if (ecb_expect_false (idleall))
3092	{	3382	{
3093	int pri;	3383	int pri;
3094		3384
3095	for (pri = NUMPRI; pri--; )	3385	for (pri = NUMPRI; pri--; )
3096	{	3386	{
…		…
3145	}	3435	}
3146	}	3436	}
3147		3437
3148	#if EV_PERIODIC_ENABLE	3438	#if EV_PERIODIC_ENABLE
3149		3439
3150	static void noinline	3440	ecb_noinline
		3441	static void
3151	periodic_recalc (EV_P_ ev_periodic *w)	3442	periodic_recalc (EV_P_ ev_periodic *w)
3152	{	3443	{
3153	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3444	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3154	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3445	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3155		3446
…		…
3157	while (at <= ev_rt_now)	3448	while (at <= ev_rt_now)
3158	{	3449	{
3159	ev_tstamp nat = at + w->interval;	3450	ev_tstamp nat = at + w->interval;
3160		3451
3161	/* when resolution fails us, we use ev_rt_now */	3452	/* when resolution fails us, we use ev_rt_now */
3162	if (expect_false (nat == at))	3453	if (ecb_expect_false (nat == at))
3163	{	3454	{
3164	at = ev_rt_now;	3455	at = ev_rt_now;
3165	break;	3456	break;
3166	}	3457	}
3167		3458
…		…
3213	}	3504	}
3214	}	3505	}
3215		3506
3216	/* simply recalculate all periodics */	3507	/* simply recalculate all periodics */
3217	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3508	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3218	static void noinline ecb_cold	3509	ecb_noinline ecb_cold
		3510	static void
3219	periodics_reschedule (EV_P)	3511	periodics_reschedule (EV_P)
3220	{	3512	{
3221	int i;	3513	int i;
3222		3514
3223	/* adjust periodics after time jump */	3515	/* adjust periodics after time jump */
…		…
3236	reheap (periodics, periodiccnt);	3528	reheap (periodics, periodiccnt);
3237	}	3529	}
3238	#endif	3530	#endif
3239		3531
3240	/* adjust all timers by a given offset */	3532	/* adjust all timers by a given offset */
3241	static void noinline ecb_cold	3533	ecb_noinline ecb_cold
		3534	static void
3242	timers_reschedule (EV_P_ ev_tstamp adjust)	3535	timers_reschedule (EV_P_ ev_tstamp adjust)
3243	{	3536	{
3244	int i;	3537	int i;
3245		3538
3246	for (i = 0; i < timercnt; ++i)	3539	for (i = 0; i < timercnt; ++i)
…		…
3255	/* also detect if there was a timejump, and act accordingly */	3548	/* also detect if there was a timejump, and act accordingly */
3256	inline_speed void	3549	inline_speed void
3257	time_update (EV_P_ ev_tstamp max_block)	3550	time_update (EV_P_ ev_tstamp max_block)
3258	{	3551	{
3259	#if EV_USE_MONOTONIC	3552	#if EV_USE_MONOTONIC
3260	if (expect_true (have_monotonic))	3553	if (ecb_expect_true (have_monotonic))
3261	{	3554	{
3262	int i;	3555	int i;
3263	ev_tstamp odiff = rtmn_diff;	3556	ev_tstamp odiff = rtmn_diff;
3264		3557
3265	mn_now = get_clock ();	3558	mn_now = get_clock ();
3266		3559
3267	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	3560	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3268	/* interpolate in the meantime */	3561	/* interpolate in the meantime */
3269	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	3562	if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3270	{	3563	{
3271	ev_rt_now = rtmn_diff + mn_now;	3564	ev_rt_now = rtmn_diff + mn_now;
3272	return;	3565	return;
3273	}	3566	}
3274		3567
…		…
3288	ev_tstamp diff;	3581	ev_tstamp diff;
3289	rtmn_diff = ev_rt_now - mn_now;	3582	rtmn_diff = ev_rt_now - mn_now;
3290		3583
3291	diff = odiff - rtmn_diff;	3584	diff = odiff - rtmn_diff;
3292		3585
3293	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))	3586	if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3294	return; /* all is well */	3587	return; /* all is well */
3295		3588
3296	ev_rt_now = ev_time ();	3589	ev_rt_now = ev_time ();
3297	mn_now = get_clock ();	3590	mn_now = get_clock ();
3298	now_floor = mn_now;	3591	now_floor = mn_now;
…		…
3307	else	3600	else
3308	#endif	3601	#endif
3309	{	3602	{
3310	ev_rt_now = ev_time ();	3603	ev_rt_now = ev_time ();
3311		3604
3312	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	3605	if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3313	{	3606	{
3314	/* adjust timers. this is easy, as the offset is the same for all of them */	3607	/* adjust timers. this is easy, as the offset is the same for all of them */
3315	timers_reschedule (EV_A_ ev_rt_now - mn_now);	3608	timers_reschedule (EV_A_ ev_rt_now - mn_now);
3316	#if EV_PERIODIC_ENABLE	3609	#if EV_PERIODIC_ENABLE
3317	periodics_reschedule (EV_A);	3610	periodics_reschedule (EV_A);
…		…
3340	#if EV_VERIFY >= 2	3633	#if EV_VERIFY >= 2
3341	ev_verify (EV_A);	3634	ev_verify (EV_A);
3342	#endif	3635	#endif
3343		3636
3344	#ifndef _WIN32	3637	#ifndef _WIN32
3345	if (expect_false (curpid)) /* penalise the forking check even more */	3638	if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3346	if (expect_false (getpid () != curpid))	3639	if (ecb_expect_false (getpid () != curpid))
3347	{	3640	{
3348	curpid = getpid ();	3641	curpid = getpid ();
3349	postfork = 1;	3642	postfork = 1;
3350	}	3643	}
3351	#endif	3644	#endif
3352		3645
3353	#if EV_FORK_ENABLE	3646	#if EV_FORK_ENABLE
3354	/* we might have forked, so queue fork handlers */	3647	/* we might have forked, so queue fork handlers */
3355	if (expect_false (postfork))	3648	if (ecb_expect_false (postfork))
3356	if (forkcnt)	3649	if (forkcnt)
3357	{	3650	{
3358	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	3651	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3359	EV_INVOKE_PENDING;	3652	EV_INVOKE_PENDING;
3360	}	3653	}
3361	#endif	3654	#endif
3362		3655
3363	#if EV_PREPARE_ENABLE	3656	#if EV_PREPARE_ENABLE
3364	/* queue prepare watchers (and execute them) */	3657	/* queue prepare watchers (and execute them) */
3365	if (expect_false (preparecnt))	3658	if (ecb_expect_false (preparecnt))
3366	{	3659	{
3367	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	3660	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3368	EV_INVOKE_PENDING;	3661	EV_INVOKE_PENDING;
3369	}	3662	}
3370	#endif	3663	#endif
3371		3664
3372	if (expect_false (loop_done))	3665	if (ecb_expect_false (loop_done))
3373	break;	3666	break;
3374		3667
3375	/* we might have forked, so reify kernel state if necessary */	3668	/* we might have forked, so reify kernel state if necessary */
3376	if (expect_false (postfork))	3669	if (ecb_expect_false (postfork))
3377	loop_fork (EV_A);	3670	loop_fork (EV_A);
3378		3671
3379	/* update fd-related kernel structures */	3672	/* update fd-related kernel structures */
3380	fd_reify (EV_A);	3673	fd_reify (EV_A);
3381		3674
…		…
3393	/* from now on, we want a pipe-wake-up */	3686	/* from now on, we want a pipe-wake-up */
3394	pipe_write_wanted = 1;	3687	pipe_write_wanted = 1;
3395		3688
3396	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */	3689	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3397		3690
3398	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3691	if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3399	{	3692	{
3400	waittime = MAX_BLOCKTIME;	3693	waittime = MAX_BLOCKTIME;
3401		3694
3402	if (timercnt)	3695	if (timercnt)
3403	{	3696	{
…		…
3412	if (waittime > to) waittime = to;	3705	if (waittime > to) waittime = to;
3413	}	3706	}
3414	#endif	3707	#endif
3415		3708
3416	/* don't let timeouts decrease the waittime below timeout_blocktime */	3709	/* don't let timeouts decrease the waittime below timeout_blocktime */
3417	if (expect_false (waittime < timeout_blocktime))	3710	if (ecb_expect_false (waittime < timeout_blocktime))
3418	waittime = timeout_blocktime;	3711	waittime = timeout_blocktime;
3419		3712
3420	/* at this point, we NEED to wait, so we have to ensure */	3713	/* at this point, we NEED to wait, so we have to ensure */
3421	/* to pass a minimum nonzero value to the backend */	3714	/* to pass a minimum nonzero value to the backend */
3422	if (expect_false (waittime < backend_mintime))	3715	if (ecb_expect_false (waittime < backend_mintime))
3423	waittime = backend_mintime;	3716	waittime = backend_mintime;
3424		3717
3425	/* extra check because io_blocktime is commonly 0 */	3718	/* extra check because io_blocktime is commonly 0 */
3426	if (expect_false (io_blocktime))	3719	if (ecb_expect_false (io_blocktime))
3427	{	3720	{
3428	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3721	sleeptime = io_blocktime - (mn_now - prev_mn_now);
3429		3722
3430	if (sleeptime > waittime - backend_mintime)	3723	if (sleeptime > waittime - backend_mintime)
3431	sleeptime = waittime - backend_mintime;	3724	sleeptime = waittime - backend_mintime;
3432		3725
3433	if (expect_true (sleeptime > 0.))	3726	if (ecb_expect_true (sleeptime > 0.))
3434	{	3727	{
3435	ev_sleep (sleeptime);	3728	ev_sleep (sleeptime);
3436	waittime -= sleeptime;	3729	waittime -= sleeptime;
3437	}	3730	}
3438	}	3731	}
…		…
3452	{	3745	{
3453	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3746	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3454	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3747	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3455	}	3748	}
3456		3749
3457
3458	/* update ev_rt_now, do magic */	3750	/* update ev_rt_now, do magic */
3459	time_update (EV_A_ waittime + sleeptime);	3751	time_update (EV_A_ waittime + sleeptime);
3460	}	3752	}
3461		3753
3462	/* queue pending timers and reschedule them */	3754	/* queue pending timers and reschedule them */
…		…
3470	idle_reify (EV_A);	3762	idle_reify (EV_A);
3471	#endif	3763	#endif
3472		3764
3473	#if EV_CHECK_ENABLE	3765	#if EV_CHECK_ENABLE
3474	/* queue check watchers, to be executed first */	3766	/* queue check watchers, to be executed first */
3475	if (expect_false (checkcnt))	3767	if (ecb_expect_false (checkcnt))
3476	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	3768	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3477	#endif	3769	#endif
3478		3770
3479	EV_INVOKE_PENDING;	3771	EV_INVOKE_PENDING;
3480	}	3772	}
3481	while (expect_true (	3773	while (ecb_expect_true (
3482	activecnt	3774	activecnt
3483	&& !loop_done	3775	&& !loop_done
3484	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))	3776	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3485	));	3777	));
3486		3778
…		…
3493		3785
3494	return activecnt;	3786	return activecnt;
3495	}	3787	}
3496		3788
3497	void	3789	void
3498	ev_break (EV_P_ int how) EV_THROW	3790	ev_break (EV_P_ int how) EV_NOEXCEPT
3499	{	3791	{
3500	loop_done = how;	3792	loop_done = how;
3501	}	3793	}
3502		3794
3503	void	3795	void
3504	ev_ref (EV_P) EV_THROW	3796	ev_ref (EV_P) EV_NOEXCEPT
3505	{	3797	{
3506	++activecnt;	3798	++activecnt;
3507	}	3799	}
3508		3800
3509	void	3801	void
3510	ev_unref (EV_P) EV_THROW	3802	ev_unref (EV_P) EV_NOEXCEPT
3511	{	3803	{
3512	--activecnt;	3804	--activecnt;
3513	}	3805	}
3514		3806
3515	void	3807	void
3516	ev_now_update (EV_P) EV_THROW	3808	ev_now_update (EV_P) EV_NOEXCEPT
3517	{	3809	{
3518	time_update (EV_A_ 1e100);	3810	time_update (EV_A_ 1e100);
3519	}	3811	}
3520		3812
3521	void	3813	void
3522	ev_suspend (EV_P) EV_THROW	3814	ev_suspend (EV_P) EV_NOEXCEPT
3523	{	3815	{
3524	ev_now_update (EV_A);	3816	ev_now_update (EV_A);
3525	}	3817	}
3526		3818
3527	void	3819	void
3528	ev_resume (EV_P) EV_THROW	3820	ev_resume (EV_P) EV_NOEXCEPT
3529	{	3821	{
3530	ev_tstamp mn_prev = mn_now;	3822	ev_tstamp mn_prev = mn_now;
3531		3823
3532	ev_now_update (EV_A);	3824	ev_now_update (EV_A);
3533	timers_reschedule (EV_A_ mn_now - mn_prev);	3825	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3550	inline_size void	3842	inline_size void
3551	wlist_del (WL *head, WL elem)	3843	wlist_del (WL *head, WL elem)
3552	{	3844	{
3553	while (*head)	3845	while (*head)
3554	{	3846	{
3555	if (expect_true (*head == elem))	3847	if (ecb_expect_true (*head == elem))
3556	{	3848	{
3557	*head = elem->next;	3849	*head = elem->next;
3558	break;	3850	break;
3559	}	3851	}
3560		3852
…		…
3572	w->pending = 0;	3864	w->pending = 0;
3573	}	3865	}
3574	}	3866	}
3575		3867
3576	int	3868	int
3577	ev_clear_pending (EV_P_ void *w) EV_THROW	3869	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3578	{	3870	{
3579	W w_ = (W)w;	3871	W w_ = (W)w;
3580	int pending = w_->pending;	3872	int pending = w_->pending;
3581		3873
3582	if (expect_true (pending))	3874	if (ecb_expect_true (pending))
3583	{	3875	{
3584	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	3876	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3585	p->w = (W)&pending_w;	3877	p->w = (W)&pending_w;
3586	w_->pending = 0;	3878	w_->pending = 0;
3587	return p->events;	3879	return p->events;
…		…
3614	w->active = 0;	3906	w->active = 0;
3615	}	3907	}
3616		3908
3617	/*****************************************************************************/	3909	/*****************************************************************************/
3618		3910
3619	void noinline	3911	ecb_noinline
		3912	void
3620	ev_io_start (EV_P_ ev_io *w) EV_THROW	3913	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3621	{	3914	{
3622	int fd = w->fd;	3915	int fd = w->fd;
3623		3916
3624	if (expect_false (ev_is_active (w)))	3917	if (ecb_expect_false (ev_is_active (w)))
3625	return;	3918	return;
3626		3919
3627	assert (("libev: ev_io_start called with negative fd", fd >= 0));	3920	assert (("libev: ev_io_start called with negative fd", fd >= 0));
3628	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	3921	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3629		3922
		3923	#if EV_VERIFY >= 2
		3924	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		3925	#endif
3630	EV_FREQUENT_CHECK;	3926	EV_FREQUENT_CHECK;
3631		3927
3632	ev_start (EV_A_ (W)w, 1);	3928	ev_start (EV_A_ (W)w, 1);
3633	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3929	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3634	wlist_add (&anfds[fd].head, (WL)w);	3930	wlist_add (&anfds[fd].head, (WL)w);
3635		3931
3636	/* common bug, apparently */	3932	/* common bug, apparently */
3637	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	3933	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3638		3934
…		…
3640	w->events &= ~EV__IOFDSET;	3936	w->events &= ~EV__IOFDSET;
3641		3937
3642	EV_FREQUENT_CHECK;	3938	EV_FREQUENT_CHECK;
3643	}	3939	}
3644		3940
3645	void noinline	3941	ecb_noinline
		3942	void
3646	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3943	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3647	{	3944	{
3648	clear_pending (EV_A_ (W)w);	3945	clear_pending (EV_A_ (W)w);
3649	if (expect_false (!ev_is_active (w)))	3946	if (ecb_expect_false (!ev_is_active (w)))
3650	return;	3947	return;
3651		3948
3652	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	3949	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3653		3950
		3951	#if EV_VERIFY >= 2
		3952	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		3953	#endif
3654	EV_FREQUENT_CHECK;	3954	EV_FREQUENT_CHECK;
3655		3955
3656	wlist_del (&anfds[w->fd].head, (WL)w);	3956	wlist_del (&anfds[w->fd].head, (WL)w);
3657	ev_stop (EV_A_ (W)w);	3957	ev_stop (EV_A_ (W)w);
3658		3958
3659	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3959	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3660		3960
3661	EV_FREQUENT_CHECK;	3961	EV_FREQUENT_CHECK;
3662	}	3962	}
3663		3963
3664	void noinline	3964	ecb_noinline
		3965	void
3665	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3966	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3666	{	3967	{
3667	if (expect_false (ev_is_active (w)))	3968	if (ecb_expect_false (ev_is_active (w)))
3668	return;	3969	return;
3669		3970
3670	ev_at (w) += mn_now;	3971	ev_at (w) += mn_now;
3671		3972
3672	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	3973	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3673		3974
3674	EV_FREQUENT_CHECK;	3975	EV_FREQUENT_CHECK;
3675		3976
3676	++timercnt;	3977	++timercnt;
3677	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	3978	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3678	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	3979	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3679	ANHE_w (timers [ev_active (w)]) = (WT)w;	3980	ANHE_w (timers [ev_active (w)]) = (WT)w;
3680	ANHE_at_cache (timers [ev_active (w)]);	3981	ANHE_at_cache (timers [ev_active (w)]);
3681	upheap (timers, ev_active (w));	3982	upheap (timers, ev_active (w));
3682		3983
3683	EV_FREQUENT_CHECK;	3984	EV_FREQUENT_CHECK;
3684		3985
3685	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3986	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3686	}	3987	}
3687		3988
3688	void noinline	3989	ecb_noinline
		3990	void
3689	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3991	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3690	{	3992	{
3691	clear_pending (EV_A_ (W)w);	3993	clear_pending (EV_A_ (W)w);
3692	if (expect_false (!ev_is_active (w)))	3994	if (ecb_expect_false (!ev_is_active (w)))
3693	return;	3995	return;
3694		3996
3695	EV_FREQUENT_CHECK;	3997	EV_FREQUENT_CHECK;
3696		3998
3697	{	3999	{
…		…
3699		4001
3700	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	4002	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3701		4003
3702	--timercnt;	4004	--timercnt;
3703		4005
3704	if (expect_true (active < timercnt + HEAP0))	4006	if (ecb_expect_true (active < timercnt + HEAP0))
3705	{	4007	{
3706	timers [active] = timers [timercnt + HEAP0];	4008	timers [active] = timers [timercnt + HEAP0];
3707	adjustheap (timers, timercnt, active);	4009	adjustheap (timers, timercnt, active);
3708	}	4010	}
3709	}	4011	}
…		…
3713	ev_stop (EV_A_ (W)w);	4015	ev_stop (EV_A_ (W)w);
3714		4016
3715	EV_FREQUENT_CHECK;	4017	EV_FREQUENT_CHECK;
3716	}	4018	}
3717		4019
3718	void noinline	4020	ecb_noinline
		4021	void
3719	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4022	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3720	{	4023	{
3721	EV_FREQUENT_CHECK;	4024	EV_FREQUENT_CHECK;
3722		4025
3723	clear_pending (EV_A_ (W)w);	4026	clear_pending (EV_A_ (W)w);
3724		4027
…		…
3741		4044
3742	EV_FREQUENT_CHECK;	4045	EV_FREQUENT_CHECK;
3743	}	4046	}
3744		4047
3745	ev_tstamp	4048	ev_tstamp
3746	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4049	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3747	{	4050	{
3748	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4051	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3749	}	4052	}
3750		4053
3751	#if EV_PERIODIC_ENABLE	4054	#if EV_PERIODIC_ENABLE
3752	void noinline	4055	ecb_noinline
		4056	void
3753	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4057	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3754	{	4058	{
3755	if (expect_false (ev_is_active (w)))	4059	if (ecb_expect_false (ev_is_active (w)))
3756	return;	4060	return;
3757		4061
3758	if (w->reschedule_cb)	4062	if (w->reschedule_cb)
3759	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	4063	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
3760	else if (w->interval)	4064	else if (w->interval)
…		…
3767		4071
3768	EV_FREQUENT_CHECK;	4072	EV_FREQUENT_CHECK;
3769		4073
3770	++periodiccnt;	4074	++periodiccnt;
3771	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4075	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3772	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4076	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3773	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4077	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3774	ANHE_at_cache (periodics [ev_active (w)]);	4078	ANHE_at_cache (periodics [ev_active (w)]);
3775	upheap (periodics, ev_active (w));	4079	upheap (periodics, ev_active (w));
3776		4080
3777	EV_FREQUENT_CHECK;	4081	EV_FREQUENT_CHECK;
3778		4082
3779	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4083	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3780	}	4084	}
3781		4085
3782	void noinline	4086	ecb_noinline
		4087	void
3783	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4088	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3784	{	4089	{
3785	clear_pending (EV_A_ (W)w);	4090	clear_pending (EV_A_ (W)w);
3786	if (expect_false (!ev_is_active (w)))	4091	if (ecb_expect_false (!ev_is_active (w)))
3787	return;	4092	return;
3788		4093
3789	EV_FREQUENT_CHECK;	4094	EV_FREQUENT_CHECK;
3790		4095
3791	{	4096	{
…		…
3793		4098
3794	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	4099	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
3795		4100
3796	--periodiccnt;	4101	--periodiccnt;
3797		4102
3798	if (expect_true (active < periodiccnt + HEAP0))	4103	if (ecb_expect_true (active < periodiccnt + HEAP0))
3799	{	4104	{
3800	periodics [active] = periodics [periodiccnt + HEAP0];	4105	periodics [active] = periodics [periodiccnt + HEAP0];
3801	adjustheap (periodics, periodiccnt, active);	4106	adjustheap (periodics, periodiccnt, active);
3802	}	4107	}
3803	}	4108	}
…		…
3805	ev_stop (EV_A_ (W)w);	4110	ev_stop (EV_A_ (W)w);
3806		4111
3807	EV_FREQUENT_CHECK;	4112	EV_FREQUENT_CHECK;
3808	}	4113	}
3809		4114
3810	void noinline	4115	ecb_noinline
		4116	void
3811	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4117	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3812	{	4118	{
3813	/* TODO: use adjustheap and recalculation */	4119	/* TODO: use adjustheap and recalculation */
3814	ev_periodic_stop (EV_A_ w);	4120	ev_periodic_stop (EV_A_ w);
3815	ev_periodic_start (EV_A_ w);	4121	ev_periodic_start (EV_A_ w);
3816	}	4122	}
…		…
3820	# define SA_RESTART 0	4126	# define SA_RESTART 0
3821	#endif	4127	#endif
3822		4128
3823	#if EV_SIGNAL_ENABLE	4129	#if EV_SIGNAL_ENABLE
3824		4130
3825	void noinline	4131	ecb_noinline
		4132	void
3826	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4133	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3827	{	4134	{
3828	if (expect_false (ev_is_active (w)))	4135	if (ecb_expect_false (ev_is_active (w)))
3829	return;	4136	return;
3830		4137
3831	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4138	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3832		4139
3833	#if EV_MULTIPLICITY	4140	#if EV_MULTIPLICITY
…		…
3902	}	4209	}
3903		4210
3904	EV_FREQUENT_CHECK;	4211	EV_FREQUENT_CHECK;
3905	}	4212	}
3906		4213
3907	void noinline	4214	ecb_noinline
		4215	void
3908	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4216	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3909	{	4217	{
3910	clear_pending (EV_A_ (W)w);	4218	clear_pending (EV_A_ (W)w);
3911	if (expect_false (!ev_is_active (w)))	4219	if (ecb_expect_false (!ev_is_active (w)))
3912	return;	4220	return;
3913		4221
3914	EV_FREQUENT_CHECK;	4222	EV_FREQUENT_CHECK;
3915		4223
3916	wlist_del (&signals [w->signum - 1].head, (WL)w);	4224	wlist_del (&signals [w->signum - 1].head, (WL)w);
…		…
3944	#endif	4252	#endif
3945		4253
3946	#if EV_CHILD_ENABLE	4254	#if EV_CHILD_ENABLE
3947		4255
3948	void	4256	void
3949	ev_child_start (EV_P_ ev_child *w) EV_THROW	4257	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3950	{	4258	{
3951	#if EV_MULTIPLICITY	4259	#if EV_MULTIPLICITY
3952	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4260	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3953	#endif	4261	#endif
3954	if (expect_false (ev_is_active (w)))	4262	if (ecb_expect_false (ev_is_active (w)))
3955	return;	4263	return;
3956		4264
3957	EV_FREQUENT_CHECK;	4265	EV_FREQUENT_CHECK;
3958		4266
3959	ev_start (EV_A_ (W)w, 1);	4267	ev_start (EV_A_ (W)w, 1);
…		…
3961		4269
3962	EV_FREQUENT_CHECK;	4270	EV_FREQUENT_CHECK;
3963	}	4271	}
3964		4272
3965	void	4273	void
3966	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4274	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3967	{	4275	{
3968	clear_pending (EV_A_ (W)w);	4276	clear_pending (EV_A_ (W)w);
3969	if (expect_false (!ev_is_active (w)))	4277	if (ecb_expect_false (!ev_is_active (w)))
3970	return;	4278	return;
3971		4279
3972	EV_FREQUENT_CHECK;	4280	EV_FREQUENT_CHECK;
3973		4281
3974	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);	4282	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
…		…
3988		4296
3989	#define DEF_STAT_INTERVAL 5.0074891	4297	#define DEF_STAT_INTERVAL 5.0074891
3990	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4298	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3991	#define MIN_STAT_INTERVAL 0.1074891	4299	#define MIN_STAT_INTERVAL 0.1074891
3992		4300
3993	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4301	ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3994		4302
3995	#if EV_USE_INOTIFY	4303	#if EV_USE_INOTIFY
3996		4304
3997	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4305	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3998	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4306	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3999		4307
4000	static void noinline	4308	ecb_noinline
		4309	static void
4001	infy_add (EV_P_ ev_stat *w)	4310	infy_add (EV_P_ ev_stat *w)
4002	{	4311	{
4003	w->wd = inotify_add_watch (fs_fd, w->path,	4312	w->wd = inotify_add_watch (fs_fd, w->path,
4004	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4313	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4005	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4314	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4069	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4378	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4070	ev_timer_again (EV_A_ &w->timer);	4379	ev_timer_again (EV_A_ &w->timer);
4071	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4380	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4072	}	4381	}
4073		4382
4074	static void noinline	4383	ecb_noinline
		4384	static void
4075	infy_del (EV_P_ ev_stat *w)	4385	infy_del (EV_P_ ev_stat *w)
4076	{	4386	{
4077	int slot;	4387	int slot;
4078	int wd = w->wd;	4388	int wd = w->wd;
4079		4389
…		…
4086		4396
4087	/* remove this watcher, if others are watching it, they will rearm */	4397	/* remove this watcher, if others are watching it, they will rearm */
4088	inotify_rm_watch (fs_fd, wd);	4398	inotify_rm_watch (fs_fd, wd);
4089	}	4399	}
4090		4400
4091	static void noinline	4401	ecb_noinline
		4402	static void
4092	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4403	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4093	{	4404	{
4094	if (slot < 0)	4405	if (slot < 0)
4095	/* overflow, need to check for all hash slots */	4406	/* overflow, need to check for all hash slots */
4096	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4407	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4132	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4443	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4133	ofs += sizeof (struct inotify_event) + ev->len;	4444	ofs += sizeof (struct inotify_event) + ev->len;
4134	}	4445	}
4135	}	4446	}
4136		4447
4137	inline_size void ecb_cold	4448	inline_size ecb_cold
		4449	void
4138	ev_check_2625 (EV_P)	4450	ev_check_2625 (EV_P)
4139	{	4451	{
4140	/* kernels < 2.6.25 are borked	4452	/* kernels < 2.6.25 are borked
4141	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4453	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4142	*/	4454	*/
…		…
4232	#else	4544	#else
4233	# define EV_LSTAT(p,b) lstat (p, b)	4545	# define EV_LSTAT(p,b) lstat (p, b)
4234	#endif	4546	#endif
4235		4547
4236	void	4548	void
4237	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4549	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4238	{	4550	{
4239	if (lstat (w->path, &w->attr) < 0)	4551	if (lstat (w->path, &w->attr) < 0)
4240	w->attr.st_nlink = 0;	4552	w->attr.st_nlink = 0;
4241	else if (!w->attr.st_nlink)	4553	else if (!w->attr.st_nlink)
4242	w->attr.st_nlink = 1;	4554	w->attr.st_nlink = 1;
4243	}	4555	}
4244		4556
4245	static void noinline	4557	ecb_noinline
		4558	static void
4246	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4559	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4247	{	4560	{
4248	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4561	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4249		4562
4250	ev_statdata prev = w->attr;	4563	ev_statdata prev = w->attr;
…		…
4281	ev_feed_event (EV_A_ w, EV_STAT);	4594	ev_feed_event (EV_A_ w, EV_STAT);
4282	}	4595	}
4283	}	4596	}
4284		4597
4285	void	4598	void
4286	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4599	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4287	{	4600	{
4288	if (expect_false (ev_is_active (w)))	4601	if (ecb_expect_false (ev_is_active (w)))
4289	return;	4602	return;
4290		4603
4291	ev_stat_stat (EV_A_ w);	4604	ev_stat_stat (EV_A_ w);
4292		4605
4293	if (w->interval < MIN_STAT_INTERVAL && w->interval)	4606	if (w->interval < MIN_STAT_INTERVAL && w->interval)
…		…
4312		4625
4313	EV_FREQUENT_CHECK;	4626	EV_FREQUENT_CHECK;
4314	}	4627	}
4315		4628
4316	void	4629	void
4317	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4630	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4318	{	4631	{
4319	clear_pending (EV_A_ (W)w);	4632	clear_pending (EV_A_ (W)w);
4320	if (expect_false (!ev_is_active (w)))	4633	if (ecb_expect_false (!ev_is_active (w)))
4321	return;	4634	return;
4322		4635
4323	EV_FREQUENT_CHECK;	4636	EV_FREQUENT_CHECK;
4324		4637
4325	#if EV_USE_INOTIFY	4638	#if EV_USE_INOTIFY
…		…
4338	}	4651	}
4339	#endif	4652	#endif
4340		4653
4341	#if EV_IDLE_ENABLE	4654	#if EV_IDLE_ENABLE
4342	void	4655	void
4343	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4656	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4344	{	4657	{
4345	if (expect_false (ev_is_active (w)))	4658	if (ecb_expect_false (ev_is_active (w)))
4346	return;	4659	return;
4347		4660
4348	pri_adjust (EV_A_ (W)w);	4661	pri_adjust (EV_A_ (W)w);
4349		4662
4350	EV_FREQUENT_CHECK;	4663	EV_FREQUENT_CHECK;
…		…
4353	int active = ++idlecnt [ABSPRI (w)];	4666	int active = ++idlecnt [ABSPRI (w)];
4354		4667
4355	++idleall;	4668	++idleall;
4356	ev_start (EV_A_ (W)w, active);	4669	ev_start (EV_A_ (W)w, active);
4357		4670
4358	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4671	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4359	idles [ABSPRI (w)][active - 1] = w;	4672	idles [ABSPRI (w)][active - 1] = w;
4360	}	4673	}
4361		4674
4362	EV_FREQUENT_CHECK;	4675	EV_FREQUENT_CHECK;
4363	}	4676	}
4364		4677
4365	void	4678	void
4366	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4679	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4367	{	4680	{
4368	clear_pending (EV_A_ (W)w);	4681	clear_pending (EV_A_ (W)w);
4369	if (expect_false (!ev_is_active (w)))	4682	if (ecb_expect_false (!ev_is_active (w)))
4370	return;	4683	return;
4371		4684
4372	EV_FREQUENT_CHECK;	4685	EV_FREQUENT_CHECK;
4373		4686
4374	{	4687	{
…		…
4385	}	4698	}
4386	#endif	4699	#endif
4387		4700
4388	#if EV_PREPARE_ENABLE	4701	#if EV_PREPARE_ENABLE
4389	void	4702	void
4390	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4703	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4391	{	4704	{
4392	if (expect_false (ev_is_active (w)))	4705	if (ecb_expect_false (ev_is_active (w)))
4393	return;	4706	return;
4394		4707
4395	EV_FREQUENT_CHECK;	4708	EV_FREQUENT_CHECK;
4396		4709
4397	ev_start (EV_A_ (W)w, ++preparecnt);	4710	ev_start (EV_A_ (W)w, ++preparecnt);
4398	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4711	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4399	prepares [preparecnt - 1] = w;	4712	prepares [preparecnt - 1] = w;
4400		4713
4401	EV_FREQUENT_CHECK;	4714	EV_FREQUENT_CHECK;
4402	}	4715	}
4403		4716
4404	void	4717	void
4405	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4718	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4406	{	4719	{
4407	clear_pending (EV_A_ (W)w);	4720	clear_pending (EV_A_ (W)w);
4408	if (expect_false (!ev_is_active (w)))	4721	if (ecb_expect_false (!ev_is_active (w)))
4409	return;	4722	return;
4410		4723
4411	EV_FREQUENT_CHECK;	4724	EV_FREQUENT_CHECK;
4412		4725
4413	{	4726	{
…		…
4423	}	4736	}
4424	#endif	4737	#endif
4425		4738
4426	#if EV_CHECK_ENABLE	4739	#if EV_CHECK_ENABLE
4427	void	4740	void
4428	ev_check_start (EV_P_ ev_check *w) EV_THROW	4741	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4429	{	4742	{
4430	if (expect_false (ev_is_active (w)))	4743	if (ecb_expect_false (ev_is_active (w)))
4431	return;	4744	return;
4432		4745
4433	EV_FREQUENT_CHECK;	4746	EV_FREQUENT_CHECK;
4434		4747
4435	ev_start (EV_A_ (W)w, ++checkcnt);	4748	ev_start (EV_A_ (W)w, ++checkcnt);
4436	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4749	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4437	checks [checkcnt - 1] = w;	4750	checks [checkcnt - 1] = w;
4438		4751
4439	EV_FREQUENT_CHECK;	4752	EV_FREQUENT_CHECK;
4440	}	4753	}
4441		4754
4442	void	4755	void
4443	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4756	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4444	{	4757	{
4445	clear_pending (EV_A_ (W)w);	4758	clear_pending (EV_A_ (W)w);
4446	if (expect_false (!ev_is_active (w)))	4759	if (ecb_expect_false (!ev_is_active (w)))
4447	return;	4760	return;
4448		4761
4449	EV_FREQUENT_CHECK;	4762	EV_FREQUENT_CHECK;
4450		4763
4451	{	4764	{
…		…
4460	EV_FREQUENT_CHECK;	4773	EV_FREQUENT_CHECK;
4461	}	4774	}
4462	#endif	4775	#endif
4463		4776
4464	#if EV_EMBED_ENABLE	4777	#if EV_EMBED_ENABLE
4465	void noinline	4778	ecb_noinline
		4779	void
4466	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4780	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4467	{	4781	{
4468	ev_run (w->other, EVRUN_NOWAIT);	4782	ev_run (w->other, EVRUN_NOWAIT);
4469	}	4783	}
4470		4784
4471	static void	4785	static void
…		…
4519	ev_idle_stop (EV_A_ idle);	4833	ev_idle_stop (EV_A_ idle);
4520	}	4834	}
4521	#endif	4835	#endif
4522		4836
4523	void	4837	void
4524	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4838	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4525	{	4839	{
4526	if (expect_false (ev_is_active (w)))	4840	if (ecb_expect_false (ev_is_active (w)))
4527	return;	4841	return;
4528		4842
4529	{	4843	{
4530	EV_P = w->other;	4844	EV_P = w->other;
4531	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	4845	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
…		…
4550		4864
4551	EV_FREQUENT_CHECK;	4865	EV_FREQUENT_CHECK;
4552	}	4866	}
4553		4867
4554	void	4868	void
4555	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4869	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4556	{	4870	{
4557	clear_pending (EV_A_ (W)w);	4871	clear_pending (EV_A_ (W)w);
4558	if (expect_false (!ev_is_active (w)))	4872	if (ecb_expect_false (!ev_is_active (w)))
4559	return;	4873	return;
4560		4874
4561	EV_FREQUENT_CHECK;	4875	EV_FREQUENT_CHECK;
4562		4876
4563	ev_io_stop (EV_A_ &w->io);	4877	ev_io_stop (EV_A_ &w->io);
…		…
4570	}	4884	}
4571	#endif	4885	#endif
4572		4886
4573	#if EV_FORK_ENABLE	4887	#if EV_FORK_ENABLE
4574	void	4888	void
4575	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4889	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4576	{	4890	{
4577	if (expect_false (ev_is_active (w)))	4891	if (ecb_expect_false (ev_is_active (w)))
4578	return;	4892	return;
4579		4893
4580	EV_FREQUENT_CHECK;	4894	EV_FREQUENT_CHECK;
4581		4895
4582	ev_start (EV_A_ (W)w, ++forkcnt);	4896	ev_start (EV_A_ (W)w, ++forkcnt);
4583	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4897	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4584	forks [forkcnt - 1] = w;	4898	forks [forkcnt - 1] = w;
4585		4899
4586	EV_FREQUENT_CHECK;	4900	EV_FREQUENT_CHECK;
4587	}	4901	}
4588		4902
4589	void	4903	void
4590	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4904	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4591	{	4905	{
4592	clear_pending (EV_A_ (W)w);	4906	clear_pending (EV_A_ (W)w);
4593	if (expect_false (!ev_is_active (w)))	4907	if (ecb_expect_false (!ev_is_active (w)))
4594	return;	4908	return;
4595		4909
4596	EV_FREQUENT_CHECK;	4910	EV_FREQUENT_CHECK;
4597		4911
4598	{	4912	{
…		…
4608	}	4922	}
4609	#endif	4923	#endif
4610		4924
4611	#if EV_CLEANUP_ENABLE	4925	#if EV_CLEANUP_ENABLE
4612	void	4926	void
4613	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4927	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4614	{	4928	{
4615	if (expect_false (ev_is_active (w)))	4929	if (ecb_expect_false (ev_is_active (w)))
4616	return;	4930	return;
4617		4931
4618	EV_FREQUENT_CHECK;	4932	EV_FREQUENT_CHECK;
4619		4933
4620	ev_start (EV_A_ (W)w, ++cleanupcnt);	4934	ev_start (EV_A_ (W)w, ++cleanupcnt);
4621	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	4935	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4622	cleanups [cleanupcnt - 1] = w;	4936	cleanups [cleanupcnt - 1] = w;
4623		4937
4624	/* cleanup watchers should never keep a refcount on the loop */	4938	/* cleanup watchers should never keep a refcount on the loop */
4625	ev_unref (EV_A);	4939	ev_unref (EV_A);
4626	EV_FREQUENT_CHECK;	4940	EV_FREQUENT_CHECK;
4627	}	4941	}
4628		4942
4629	void	4943	void
4630	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4944	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4631	{	4945	{
4632	clear_pending (EV_A_ (W)w);	4946	clear_pending (EV_A_ (W)w);
4633	if (expect_false (!ev_is_active (w)))	4947	if (ecb_expect_false (!ev_is_active (w)))
4634	return;	4948	return;
4635		4949
4636	EV_FREQUENT_CHECK;	4950	EV_FREQUENT_CHECK;
4637	ev_ref (EV_A);	4951	ev_ref (EV_A);
4638		4952
…		…
4649	}	4963	}
4650	#endif	4964	#endif
4651		4965
4652	#if EV_ASYNC_ENABLE	4966	#if EV_ASYNC_ENABLE
4653	void	4967	void
4654	ev_async_start (EV_P_ ev_async *w) EV_THROW	4968	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4655	{	4969	{
4656	if (expect_false (ev_is_active (w)))	4970	if (ecb_expect_false (ev_is_active (w)))
4657	return;	4971	return;
4658		4972
4659	w->sent = 0;	4973	w->sent = 0;
4660		4974
4661	evpipe_init (EV_A);	4975	evpipe_init (EV_A);
4662		4976
4663	EV_FREQUENT_CHECK;	4977	EV_FREQUENT_CHECK;
4664		4978
4665	ev_start (EV_A_ (W)w, ++asynccnt);	4979	ev_start (EV_A_ (W)w, ++asynccnt);
4666	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	4980	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4667	asyncs [asynccnt - 1] = w;	4981	asyncs [asynccnt - 1] = w;
4668		4982
4669	EV_FREQUENT_CHECK;	4983	EV_FREQUENT_CHECK;
4670	}	4984	}
4671		4985
4672	void	4986	void
4673	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4987	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4674	{	4988	{
4675	clear_pending (EV_A_ (W)w);	4989	clear_pending (EV_A_ (W)w);
4676	if (expect_false (!ev_is_active (w)))	4990	if (ecb_expect_false (!ev_is_active (w)))
4677	return;	4991	return;
4678		4992
4679	EV_FREQUENT_CHECK;	4993	EV_FREQUENT_CHECK;
4680		4994
4681	{	4995	{
…		…
4689		5003
4690	EV_FREQUENT_CHECK;	5004	EV_FREQUENT_CHECK;
4691	}	5005	}
4692		5006
4693	void	5007	void
4694	ev_async_send (EV_P_ ev_async *w) EV_THROW	5008	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4695	{	5009	{
4696	w->sent = 1;	5010	w->sent = 1;
4697	evpipe_write (EV_A_ &async_pending);	5011	evpipe_write (EV_A_ &async_pending);
4698	}	5012	}
4699	#endif	5013	#endif
…		…
4736		5050
4737	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5051	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4738	}	5052	}
4739		5053
4740	void	5054	void
4741	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5055	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4742	{	5056	{
4743	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5057	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4744
4745	if (expect_false (!once))
4746	{
4747	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4748	return;
4749	}
4750		5058
4751	once->cb = cb;	5059	once->cb = cb;
4752	once->arg = arg;	5060	once->arg = arg;
4753		5061
4754	ev_init (&once->io, once_cb_io);	5062	ev_init (&once->io, once_cb_io);
…		…
4767	}	5075	}
4768		5076
4769	/*****************************************************************************/	5077	/*****************************************************************************/
4770		5078
4771	#if EV_WALK_ENABLE	5079	#if EV_WALK_ENABLE
4772	void ecb_cold	5080	ecb_cold
		5081	void
4773	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5082	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4774	{	5083	{
4775	int i, j;	5084	int i, j;
4776	ev_watcher_list *wl, *wn;	5085	ev_watcher_list *wl, *wn;
4777		5086
4778	if (types & (EV_IO | EV_EMBED))	5087	if (types & (EV_IO | EV_EMBED))

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