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Comparing libev/ev.c (file contents):
Revision 1.462 by root, Sun Jan 5 02:59:36 2014 UTC vs.
Revision 1.490 by root, Thu Jun 20 22:44:59 2019 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012 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	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
162	# define EV_USE_EVENTFD 0	162	# define EV_USE_EVENTFD 0
163	# endif	163	# endif
164		164
165	#endif	165	#endif
166		166
		167	/* OS X, in its infinite idiocy, actually HARDCODES
		168	* a limit of 1024 into their select. Where people have brains,
		169	* OS X engineers apparently have a vacuum. Or maybe they were
		170	* ordered to have a vacuum, or they do anything for money.
		171	* This might help. Or not.
		172	* Note that this must be defined early, as other include files
		173	* will rely on this define as well.
		174	*/
		175	#define _DARWIN_UNLIMITED_SELECT 1
		176
167	#include <stdlib.h>	177	#include <stdlib.h>
168	#include <string.h>	178	#include <string.h>
169	#include <fcntl.h>	179	#include <fcntl.h>
170	#include <stddef.h>	180	#include <stddef.h>
171		181
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	218	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	219	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	220	# endif
211	# undef EV_AVOID_STDIO	221	# undef EV_AVOID_STDIO
212	#endif	222	#endif
213
214	/* OS X, in its infinite idiocy, actually HARDCODES
215	* a limit of 1024 into their select. Where people have brains,
216	* OS X engineers apparently have a vacuum. Or maybe they were
217	* ordered to have a vacuum, or they do anything for money.
218	* This might help. Or not.
219	*/
220	#define _DARWIN_UNLIMITED_SELECT 1
221		223
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	224	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		225
224	/* try to deduce the maximum number of signals on this platform */	226	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	227	#if defined EV_NSIG
…		…
256	# else	258	# else
257	# define EV_USE_CLOCK_SYSCALL 0	259	# define EV_USE_CLOCK_SYSCALL 0
258	# endif	260	# endif
259	#endif	261	#endif
260		262
		263	#if !(_POSIX_TIMERS > 0)
		264	# ifndef EV_USE_MONOTONIC
		265	# define EV_USE_MONOTONIC 0
		266	# endif
		267	# ifndef EV_USE_REALTIME
		268	# define EV_USE_REALTIME 0
		269	# endif
		270	#endif
		271
261	#ifndef EV_USE_MONOTONIC	272	#ifndef EV_USE_MONOTONIC
262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	273	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
263	# define EV_USE_MONOTONIC EV_FEATURE_OS	274	# define EV_USE_MONOTONIC EV_FEATURE_OS
264	# else	275	# else
265	# define EV_USE_MONOTONIC 0	276	# define EV_USE_MONOTONIC 0
…		…
304		315
305	#ifndef EV_USE_PORT	316	#ifndef EV_USE_PORT
306	# define EV_USE_PORT 0	317	# define EV_USE_PORT 0
307	#endif	318	#endif
308		319
		320	#ifndef EV_USE_LINUXAIO
		321	# define EV_USE_LINUXAIO 0
		322	#endif
		323
309	#ifndef EV_USE_INOTIFY	324	#ifndef EV_USE_INOTIFY
310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	325	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
311	# define EV_USE_INOTIFY EV_FEATURE_OS	326	# define EV_USE_INOTIFY EV_FEATURE_OS
312	# else	327	# else
313	# define EV_USE_INOTIFY 0	328	# define EV_USE_INOTIFY 0
…		…
354		369
355	#ifndef EV_HEAP_CACHE_AT	370	#ifndef EV_HEAP_CACHE_AT
356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	371	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
357	#endif	372	#endif
358		373
359	#ifdef ANDROID	374	#ifdef __ANDROID__
360	/* supposedly, android doesn't typedef fd_mask */	375	/* supposedly, android doesn't typedef fd_mask */
361	# undef EV_USE_SELECT	376	# undef EV_USE_SELECT
362	# define EV_USE_SELECT 0	377	# define EV_USE_SELECT 0
363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	378	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
364	# undef EV_USE_CLOCK_SYSCALL	379	# undef EV_USE_CLOCK_SYSCALL
…		…
368	/* aix's poll.h seems to cause lots of trouble */	383	/* aix's poll.h seems to cause lots of trouble */
369	#ifdef _AIX	384	#ifdef _AIX
370	/* AIX has a completely broken poll.h header */	385	/* AIX has a completely broken poll.h header */
371	# undef EV_USE_POLL	386	# undef EV_USE_POLL
372	# define EV_USE_POLL 0	387	# define EV_USE_POLL 0
		388	#endif
		389
		390	#if EV_USE_LINUXAIO
		391	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
373	#endif	392	#endif
374		393
375	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	394	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
376	/* which makes programs even slower. might work on other unices, too. */	395	/* which makes programs even slower. might work on other unices, too. */
377	#if EV_USE_CLOCK_SYSCALL	396	#if EV_USE_CLOCK_SYSCALL
…		…
482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	501	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
483	/* ECB.H BEGIN */	502	/* ECB.H BEGIN */
484	/*	503	/*
485	* libecb - http://software.schmorp.de/pkg/libecb	504	* libecb - http://software.schmorp.de/pkg/libecb
486	*	505	*
487	* Copyright (©) 2009-2013 Marc Alexander Lehmann <libecb@schmorp.de>	506	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488	* Copyright (©) 2011 Emanuele Giaquinta	507	* Copyright (©) 2011 Emanuele Giaquinta
489	* All rights reserved.	508	* All rights reserved.
490	*	509	*
491	* Redistribution and use in source and binary forms, with or without modifica-	510	* Redistribution and use in source and binary forms, with or without modifica-
492	* tion, are permitted provided that the following conditions are met:	511	* tion, are permitted provided that the following conditions are met:
…		…
506	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	525	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
507	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	526	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
508	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	527	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
509	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED	528	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
510	* OF THE POSSIBILITY OF SUCH DAMAGE.	529	* OF THE POSSIBILITY OF SUCH DAMAGE.
		530	*
		531	* Alternatively, the contents of this file may be used under the terms of
		532	* the GNU General Public License ("GPL") version 2 or any later version,
		533	* in which case the provisions of the GPL are applicable instead of
		534	* the above. If you wish to allow the use of your version of this file
		535	* only under the terms of the GPL and not to allow others to use your
		536	* version of this file under the BSD license, indicate your decision
		537	* by deleting the provisions above and replace them with the notice
		538	* and other provisions required by the GPL. If you do not delete the
		539	* provisions above, a recipient may use your version of this file under
		540	* either the BSD or the GPL.
511	*/	541	*/
512		542
513	#ifndef ECB_H	543	#ifndef ECB_H
514	#define ECB_H	544	#define ECB_H
515		545
516	/* 16 bits major, 16 bits minor */	546	/* 16 bits major, 16 bits minor */
517	#define ECB_VERSION 0x00010003	547	#define ECB_VERSION 0x00010005
518		548
519	#ifdef _WIN32	549	#ifdef _WIN32
520	typedef signed char int8_t;	550	typedef signed char int8_t;
521	typedef unsigned char uint8_t;	551	typedef unsigned char uint8_t;
522	typedef signed short int16_t;	552	typedef signed short int16_t;
…		…
539	typedef uint32_t uintptr_t;	569	typedef uint32_t uintptr_t;
540	typedef int32_t intptr_t;	570	typedef int32_t intptr_t;
541	#endif	571	#endif
542	#else	572	#else
543	#include <inttypes.h>	573	#include <inttypes.h>
544	#if UINTMAX_MAX > 0xffffffffU	574	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
545	#define ECB_PTRSIZE 8	575	#define ECB_PTRSIZE 8
546	#else	576	#else
547	#define ECB_PTRSIZE 4	577	#define ECB_PTRSIZE 4
548	#endif	578	#endif
549	#endif	579	#endif
550		580
		581	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		582	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		583
551	/* work around x32 idiocy by defining proper macros */	584	/* work around x32 idiocy by defining proper macros */
552	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	585	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
553	#if _ILP32	586	#if _ILP32
554	#define ECB_AMD64_X32 1	587	#define ECB_AMD64_X32 1
555	#else	588	#else
556	#define ECB_AMD64 1	589	#define ECB_AMD64 1
557	#endif	590	#endif
…		…
562	* causing enormous grief in return for some better fake benchmark numbers.	595	* causing enormous grief in return for some better fake benchmark numbers.
563	* or so.	596	* or so.
564	* we try to detect these and simply assume they are not gcc - if they have	597	* we try to detect these and simply assume they are not gcc - if they have
565	* an issue with that they should have done it right in the first place.	598	* an issue with that they should have done it right in the first place.
566	*/	599	*/
567	#ifndef ECB_GCC_VERSION
568	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	600	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
569	#define ECB_GCC_VERSION(major,minor) 0	601	#define ECB_GCC_VERSION(major,minor) 0
570	#else	602	#else
571	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	603	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
572	#endif	604	#endif
573	#endif
574		605
575	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */	606	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
576	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	607
577	#define ECB_C11 (__STDC_VERSION__ >= 201112L)	608	#if __clang__ && defined __has_builtin
		609	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		610	#else
		611	#define ECB_CLANG_BUILTIN(x) 0
		612	#endif
		613
		614	#if __clang__ && defined __has_extension
		615	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		616	#else
		617	#define ECB_CLANG_EXTENSION(x) 0
		618	#endif
		619
578	#define ECB_CPP (__cplusplus+0)	620	#define ECB_CPP (__cplusplus+0)
579	#define ECB_CPP11 (__cplusplus >= 201103L)	621	#define ECB_CPP11 (__cplusplus >= 201103L)
		622	#define ECB_CPP14 (__cplusplus >= 201402L)
		623	#define ECB_CPP17 (__cplusplus >= 201703L)
		624
		625	#if ECB_CPP
		626	#define ECB_C 0
		627	#define ECB_STDC_VERSION 0
		628	#else
		629	#define ECB_C 1
		630	#define ECB_STDC_VERSION __STDC_VERSION__
		631	#endif
		632
		633	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		634	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		635	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
580		636
581	#if ECB_CPP	637	#if ECB_CPP
582	#define ECB_EXTERN_C extern "C"	638	#define ECB_EXTERN_C extern "C"
583	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	639	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
584	#define ECB_EXTERN_C_END }	640	#define ECB_EXTERN_C_END }
…		…
597	#define ECB_NO_SMP 1	653	#define ECB_NO_SMP 1
598	#endif	654	#endif
599		655
600	#if ECB_NO_SMP	656	#if ECB_NO_SMP
601	#define ECB_MEMORY_FENCE do { } while (0)	657	#define ECB_MEMORY_FENCE do { } while (0)
		658	#endif
		659
		660	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		661	#if __xlC__ && ECB_CPP
		662	#include <builtins.h>
		663	#endif
		664
		665	#if 1400 <= _MSC_VER
		666	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
602	#endif	667	#endif
603		668
604	#ifndef ECB_MEMORY_FENCE	669	#ifndef ECB_MEMORY_FENCE
605	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	670	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
606	#if __i386 || __i386__	671	#if __i386 || __i386__
607	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	672	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	673	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	674	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
610	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	675	#elif ECB_GCC_AMD64
611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	676	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
612	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	677	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
613	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	678	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
614	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	679	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	680	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		681	#elif defined __ARM_ARCH_2__ \
		682	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		683	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		684	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		685	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		686	|| defined __ARM_ARCH_5TEJ__
		687	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
616	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	688	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
617	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	689	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		690	|| defined __ARM_ARCH_6T2__
618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	691	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
619	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	692	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
620	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	693	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	694	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		695	#elif __aarch64__
		696	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
622	#elif (__sparc || __sparc__) && !__sparcv8	697	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	698	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
624	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	699	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
625	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	700	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
626	#elif defined __s390__ || defined __s390x__	701	#elif defined __s390__ || defined __s390x__
627	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	702	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
648		723
649	#ifndef ECB_MEMORY_FENCE	724	#ifndef ECB_MEMORY_FENCE
650	#if ECB_GCC_VERSION(4,7)	725	#if ECB_GCC_VERSION(4,7)
651	/* see comment below (stdatomic.h) about the C11 memory model. */	726	/* see comment below (stdatomic.h) about the C11 memory model. */
652	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	727	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		728	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		729	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
653		730
654	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	731	#elif ECB_CLANG_EXTENSION(c_atomic)
655	* without risking compile time errors with other compilers. We *could*
656	* define our own ecb_clang_has_feature, but I just can't be bothered to work
657	* around this shit time and again.
658	* #elif defined __clang && __has_feature (cxx_atomic)
659	* // see comment below (stdatomic.h) about the C11 memory model.	732	/* see comment below (stdatomic.h) about the C11 memory model. */
660	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	733	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
661	*/	734	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		735	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
662		736
663	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	737	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
664	#define ECB_MEMORY_FENCE __sync_synchronize ()	738	#define ECB_MEMORY_FENCE __sync_synchronize ()
665	#elif _MSC_VER >= 1500 /* VC++ 2008 */	739	#elif _MSC_VER >= 1500 /* VC++ 2008 */
666	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	740	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
695	/* any fence other than seq_cst, which isn't very efficient for us. */	769	/* any fence other than seq_cst, which isn't very efficient for us. */
696	/* Why that is, we don't know - either the C11 memory model is quite useless */	770	/* Why that is, we don't know - either the C11 memory model is quite useless */
697	/* for most usages, or gcc and clang have a bug */	771	/* for most usages, or gcc and clang have a bug */
698	/* I *currently* lean towards the latter, and inefficiently implement */	772	/* I *currently* lean towards the latter, and inefficiently implement */
699	/* all three of ecb's fences as a seq_cst fence */	773	/* all three of ecb's fences as a seq_cst fence */
		774	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		775	/* for all __atomic_thread_fence's except seq_cst */
700	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	776	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
701	#endif	777	#endif
702	#endif	778	#endif
703		779
704	#ifndef ECB_MEMORY_FENCE	780	#ifndef ECB_MEMORY_FENCE
…		…
727	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	803	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
728	#endif	804	#endif
729		805
730	/*****************************************************************************/	806	/*****************************************************************************/
731		807
732	#if __cplusplus	808	#if ECB_CPP
733	#define ecb_inline static inline	809	#define ecb_inline static inline
734	#elif ECB_GCC_VERSION(2,5)	810	#elif ECB_GCC_VERSION(2,5)
735	#define ecb_inline static __inline__	811	#define ecb_inline static __inline__
736	#elif ECB_C99	812	#elif ECB_C99
737	#define ecb_inline static inline	813	#define ecb_inline static inline
…		…
751		827
752	#define ECB_CONCAT_(a, b) a ## b	828	#define ECB_CONCAT_(a, b) a ## b
753	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	829	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
754	#define ECB_STRINGIFY_(a) # a	830	#define ECB_STRINGIFY_(a) # a
755	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	831	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		832	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
756		833
757	#define ecb_function_ ecb_inline	834	#define ecb_function_ ecb_inline
758		835
759	#if ECB_GCC_VERSION(3,1)	836	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
760	#define ecb_attribute(attrlist) __attribute__(attrlist)	837	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		838	#else
		839	#define ecb_attribute(attrlist)
		840	#endif
		841
		842	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
761	#define ecb_is_constant(expr) __builtin_constant_p (expr)	843	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		844	#else
		845	/* possible C11 impl for integral types
		846	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		847	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		848
		849	#define ecb_is_constant(expr) 0
		850	#endif
		851
		852	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
762	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	853	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		854	#else
		855	#define ecb_expect(expr,value) (expr)
		856	#endif
		857
		858	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
763	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	859	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
764	#else	860	#else
765	#define ecb_attribute(attrlist)
766	#define ecb_is_constant(expr) 0
767	#define ecb_expect(expr,value) (expr)
768	#define ecb_prefetch(addr,rw,locality)	861	#define ecb_prefetch(addr,rw,locality)
769	#endif	862	#endif
770		863
771	/* no emulation for ecb_decltype */	864	/* no emulation for ecb_decltype */
772	#if ECB_GCC_VERSION(4,5)	865	#if ECB_CPP11
		866	// older implementations might have problems with decltype(x)::type, work around it
		867	template<class T> struct ecb_decltype_t { typedef T type; };
773	#define ecb_decltype(x) __decltype(x)	868	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
774	#elif ECB_GCC_VERSION(3,0)	869	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
775	#define ecb_decltype(x) __typeof(x)	870	#define ecb_decltype(x) __typeof__ (x)
776	#endif	871	#endif
777		872
		873	#if _MSC_VER >= 1300
		874	#define ecb_deprecated __declspec (deprecated)
		875	#else
		876	#define ecb_deprecated ecb_attribute ((__deprecated__))
		877	#endif
		878
		879	#if _MSC_VER >= 1500
		880	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		881	#elif ECB_GCC_VERSION(4,5)
		882	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		883	#else
		884	#define ecb_deprecated_message(msg) ecb_deprecated
		885	#endif
		886
		887	#if _MSC_VER >= 1400
		888	#define ecb_noinline __declspec (noinline)
		889	#else
778	#define ecb_noinline ecb_attribute ((__noinline__))	890	#define ecb_noinline ecb_attribute ((__noinline__))
		891	#endif
		892
779	#define ecb_unused ecb_attribute ((__unused__))	893	#define ecb_unused ecb_attribute ((__unused__))
780	#define ecb_const ecb_attribute ((__const__))	894	#define ecb_const ecb_attribute ((__const__))
781	#define ecb_pure ecb_attribute ((__pure__))	895	#define ecb_pure ecb_attribute ((__pure__))
782		896
783	#if ECB_C11	897	#if ECB_C11 || __IBMC_NORETURN
		898	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
784	#define ecb_noreturn _Noreturn	899	#define ecb_noreturn _Noreturn
		900	#elif ECB_CPP11
		901	#define ecb_noreturn [[noreturn]]
		902	#elif _MSC_VER >= 1200
		903	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		904	#define ecb_noreturn __declspec (noreturn)
785	#else	905	#else
786	#define ecb_noreturn ecb_attribute ((__noreturn__))	906	#define ecb_noreturn ecb_attribute ((__noreturn__))
787	#endif	907	#endif
788		908
789	#if ECB_GCC_VERSION(4,3)	909	#if ECB_GCC_VERSION(4,3)
…		…
804	/* for compatibility to the rest of the world */	924	/* for compatibility to the rest of the world */
805	#define ecb_likely(expr) ecb_expect_true (expr)	925	#define ecb_likely(expr) ecb_expect_true (expr)
806	#define ecb_unlikely(expr) ecb_expect_false (expr)	926	#define ecb_unlikely(expr) ecb_expect_false (expr)
807		927
808	/* count trailing zero bits and count # of one bits */	928	/* count trailing zero bits and count # of one bits */
809	#if ECB_GCC_VERSION(3,4)	929	#if ECB_GCC_VERSION(3,4) \
		930	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		931	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		932	&& ECB_CLANG_BUILTIN(__builtin_popcount))
810	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	933	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
811	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	934	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
812	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	935	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
813	#define ecb_ctz32(x) __builtin_ctz (x)	936	#define ecb_ctz32(x) __builtin_ctz (x)
814	#define ecb_ctz64(x) __builtin_ctzll (x)	937	#define ecb_ctz64(x) __builtin_ctzll (x)
815	#define ecb_popcount32(x) __builtin_popcount (x)	938	#define ecb_popcount32(x) __builtin_popcount (x)
816	/* no popcountll */	939	/* no popcountll */
817	#else	940	#else
818	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	941	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
819	ecb_function_ int	942	ecb_function_ ecb_const int
820	ecb_ctz32 (uint32_t x)	943	ecb_ctz32 (uint32_t x)
821	{	944	{
		945	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		946	unsigned long r;
		947	_BitScanForward (&r, x);
		948	return (int)r;
		949	#else
822	int r = 0;	950	int r = 0;
823		951
824	x &= ~x + 1; /* this isolates the lowest bit */	952	x &= ~x + 1; /* this isolates the lowest bit */
825		953
826	#if ECB_branchless_on_i386	954	#if ECB_branchless_on_i386
…		…
836	if (x & 0xff00ff00) r += 8;	964	if (x & 0xff00ff00) r += 8;
837	if (x & 0xffff0000) r += 16;	965	if (x & 0xffff0000) r += 16;
838	#endif	966	#endif
839		967
840	return r;	968	return r;
		969	#endif
841	}	970	}
842		971
843	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	972	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
844	ecb_function_ int	973	ecb_function_ ecb_const int
845	ecb_ctz64 (uint64_t x)	974	ecb_ctz64 (uint64_t x)
846	{	975	{
		976	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		977	unsigned long r;
		978	_BitScanForward64 (&r, x);
		979	return (int)r;
		980	#else
847	int shift = x & 0xffffffffU ? 0 : 32;	981	int shift = x & 0xffffffff ? 0 : 32;
848	return ecb_ctz32 (x >> shift) + shift;	982	return ecb_ctz32 (x >> shift) + shift;
		983	#endif
849	}	984	}
850		985
851	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	986	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
852	ecb_function_ int	987	ecb_function_ ecb_const int
853	ecb_popcount32 (uint32_t x)	988	ecb_popcount32 (uint32_t x)
854	{	989	{
855	x -= (x >> 1) & 0x55555555;	990	x -= (x >> 1) & 0x55555555;
856	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	991	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
857	x = ((x >> 4) + x) & 0x0f0f0f0f;	992	x = ((x >> 4) + x) & 0x0f0f0f0f;
858	x *= 0x01010101;	993	x *= 0x01010101;
859		994
860	return x >> 24;	995	return x >> 24;
861	}	996	}
862		997
863	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	998	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
864	ecb_function_ int ecb_ld32 (uint32_t x)	999	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
865	{	1000	{
		1001	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1002	unsigned long r;
		1003	_BitScanReverse (&r, x);
		1004	return (int)r;
		1005	#else
866	int r = 0;	1006	int r = 0;
867		1007
868	if (x >> 16) { x >>= 16; r += 16; }	1008	if (x >> 16) { x >>= 16; r += 16; }
869	if (x >> 8) { x >>= 8; r += 8; }	1009	if (x >> 8) { x >>= 8; r += 8; }
870	if (x >> 4) { x >>= 4; r += 4; }	1010	if (x >> 4) { x >>= 4; r += 4; }
871	if (x >> 2) { x >>= 2; r += 2; }	1011	if (x >> 2) { x >>= 2; r += 2; }
872	if (x >> 1) { r += 1; }	1012	if (x >> 1) { r += 1; }
873		1013
874	return r;	1014	return r;
		1015	#endif
875	}	1016	}
876		1017
877	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1018	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
878	ecb_function_ int ecb_ld64 (uint64_t x)	1019	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
879	{	1020	{
		1021	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1022	unsigned long r;
		1023	_BitScanReverse64 (&r, x);
		1024	return (int)r;
		1025	#else
880	int r = 0;	1026	int r = 0;
881		1027
882	if (x >> 32) { x >>= 32; r += 32; }	1028	if (x >> 32) { x >>= 32; r += 32; }
883		1029
884	return r + ecb_ld32 (x);	1030	return r + ecb_ld32 (x);
		1031	#endif
885	}	1032	}
886	#endif	1033	#endif
887		1034
888	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1035	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
889	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1036	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
890	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1037	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
891	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1038	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
892		1039
893	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1040	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
894	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1041	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
895	{	1042	{
896	return ( (x * 0x0802U & 0x22110U)	1043	return ( (x * 0x0802U & 0x22110U)
897	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1044	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
898	}	1045	}
899		1046
900	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1047	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
901	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1048	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
902	{	1049	{
903	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1050	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
904	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1051	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
905	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1052	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
906	x = ( x >> 8 ) | ( x << 8);	1053	x = ( x >> 8 ) | ( x << 8);
907		1054
908	return x;	1055	return x;
909	}	1056	}
910		1057
911	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1058	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
912	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1059	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
913	{	1060	{
914	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1061	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
915	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1062	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
916	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1063	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
917	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1064	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
920	return x;	1067	return x;
921	}	1068	}
922		1069
923	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1070	/* popcount64 is only available on 64 bit cpus as gcc builtin */
924	/* so for this version we are lazy */	1071	/* so for this version we are lazy */
925	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1072	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
926	ecb_function_ int	1073	ecb_function_ ecb_const int
927	ecb_popcount64 (uint64_t x)	1074	ecb_popcount64 (uint64_t x)
928	{	1075	{
929	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1076	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
930	}	1077	}
931		1078
932	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1079	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
933	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1080	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
934	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1081	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
935	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1082	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
936	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1083	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
937	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1084	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
938	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1085	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
939	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1086	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
940		1087
941	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1088	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
942	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1089	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
943	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1090	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
944	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1091	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
945	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1092	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
946	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1093	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
947	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1094	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
948	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1095	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
949		1096
950	#if ECB_GCC_VERSION(4,3)	1097	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1098	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1099	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1100	#else
951	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1101	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1102	#endif
952	#define ecb_bswap32(x) __builtin_bswap32 (x)	1103	#define ecb_bswap32(x) __builtin_bswap32 (x)
953	#define ecb_bswap64(x) __builtin_bswap64 (x)	1104	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1105	#elif _MSC_VER
		1106	#include <stdlib.h>
		1107	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1108	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1109	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
954	#else	1110	#else
955	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1111	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
956	ecb_function_ uint16_t	1112	ecb_function_ ecb_const uint16_t
957	ecb_bswap16 (uint16_t x)	1113	ecb_bswap16 (uint16_t x)
958	{	1114	{
959	return ecb_rotl16 (x, 8);	1115	return ecb_rotl16 (x, 8);
960	}	1116	}
961		1117
962	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1118	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
963	ecb_function_ uint32_t	1119	ecb_function_ ecb_const uint32_t
964	ecb_bswap32 (uint32_t x)	1120	ecb_bswap32 (uint32_t x)
965	{	1121	{
966	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1122	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
967	}	1123	}
968		1124
969	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1125	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
970	ecb_function_ uint64_t	1126	ecb_function_ ecb_const uint64_t
971	ecb_bswap64 (uint64_t x)	1127	ecb_bswap64 (uint64_t x)
972	{	1128	{
973	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1129	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
974	}	1130	}
975	#endif	1131	#endif
976		1132
977	#if ECB_GCC_VERSION(4,5)	1133	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
978	#define ecb_unreachable() __builtin_unreachable ()	1134	#define ecb_unreachable() __builtin_unreachable ()
979	#else	1135	#else
980	/* this seems to work fine, but gcc always emits a warning for it :/ */	1136	/* this seems to work fine, but gcc always emits a warning for it :/ */
981	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1137	ecb_inline ecb_noreturn void ecb_unreachable (void);
982	ecb_inline void ecb_unreachable (void) { }	1138	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
983	#endif	1139	#endif
984		1140
985	/* try to tell the compiler that some condition is definitely true */	1141	/* try to tell the compiler that some condition is definitely true */
986	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1142	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
987		1143
988	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1144	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
989	ecb_inline unsigned char	1145	ecb_inline ecb_const uint32_t
990	ecb_byteorder_helper (void)	1146	ecb_byteorder_helper (void)
991	{	1147	{
992	/* the union code still generates code under pressure in gcc, */	1148	/* the union code still generates code under pressure in gcc, */
993	/* but less than using pointers, and always seems to */	1149	/* but less than using pointers, and always seems to */
994	/* successfully return a constant. */	1150	/* successfully return a constant. */
995	/* the reason why we have this horrible preprocessor mess */	1151	/* the reason why we have this horrible preprocessor mess */
996	/* is to avoid it in all cases, at least on common architectures */	1152	/* is to avoid it in all cases, at least on common architectures */
997	/* or when using a recent enough gcc version (>= 4.6) */	1153	/* or when using a recent enough gcc version (>= 4.6) */
998	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
999	return 0x44;
1000	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1154	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1155	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1156	#define ECB_LITTLE_ENDIAN 1
1001	return 0x44;	1157	return 0x44332211;
1002	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1158	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1159	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1160	#define ECB_BIG_ENDIAN 1
1003	return 0x11;	1161	return 0x11223344;
1004	#else	1162	#else
1005	union	1163	union
1006	{	1164	{
		1165	uint8_t c[4];
1007	uint32_t i;	1166	uint32_t u;
1008	uint8_t c;
1009	} u = { 0x11223344 };	1167	} u = { 0x11, 0x22, 0x33, 0x44 };
1010	return u.c;	1168	return u.u;
1011	#endif	1169	#endif
1012	}	1170	}
1013		1171
1014	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1172	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1015	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1173	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1016	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1174	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1017	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1175	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1018		1176
1019	#if ECB_GCC_VERSION(3,0) || ECB_C99	1177	#if ECB_GCC_VERSION(3,0) || ECB_C99
1020	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1178	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1021	#else	1179	#else
1022	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1180	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1023	#endif	1181	#endif
1024		1182
1025	#if __cplusplus	1183	#if ECB_CPP
1026	template<typename T>	1184	template<typename T>
1027	static inline T ecb_div_rd (T val, T div)	1185	static inline T ecb_div_rd (T val, T div)
1028	{	1186	{
1029	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1187	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1030	}	1188	}
…		…
1047	}	1205	}
1048	#else	1206	#else
1049	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1207	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1050	#endif	1208	#endif
1051		1209
		1210	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1211	ecb_function_ ecb_const uint32_t
		1212	ecb_binary16_to_binary32 (uint32_t x)
		1213	{
		1214	unsigned int s = (x & 0x8000) << (31 - 15);
		1215	int e = (x >> 10) & 0x001f;
		1216	unsigned int m = x & 0x03ff;
		1217
		1218	if (ecb_expect_false (e == 31))
		1219	/* infinity or NaN */
		1220	e = 255 - (127 - 15);
		1221	else if (ecb_expect_false (!e))
		1222	{
		1223	if (ecb_expect_true (!m))
		1224	/* zero, handled by code below by forcing e to 0 */
		1225	e = 0 - (127 - 15);
		1226	else
		1227	{
		1228	/* subnormal, renormalise */
		1229	unsigned int s = 10 - ecb_ld32 (m);
		1230
		1231	m = (m << s) & 0x3ff; /* mask implicit bit */
		1232	e -= s - 1;
		1233	}
		1234	}
		1235
		1236	/* e and m now are normalised, or zero, (or inf or nan) */
		1237	e += 127 - 15;
		1238
		1239	return s | (e << 23) | (m << (23 - 10));
		1240	}
		1241
		1242	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1243	ecb_function_ ecb_const uint16_t
		1244	ecb_binary32_to_binary16 (uint32_t x)
		1245	{
		1246	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1247	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1248	unsigned int m = x & 0x007fffff;
		1249
		1250	x &= 0x7fffffff;
		1251
		1252	/* if it's within range of binary16 normals, use fast path */
		1253	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1254	{
		1255	/* mantissa round-to-even */
		1256	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1257
		1258	/* handle overflow */
		1259	if (ecb_expect_false (m >= 0x00800000))
		1260	{
		1261	m >>= 1;
		1262	e += 1;
		1263	}
		1264
		1265	return s | (e << 10) | (m >> (23 - 10));
		1266	}
		1267
		1268	/* handle large numbers and infinity */
		1269	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1270	return s | 0x7c00;
		1271
		1272	/* handle zero, subnormals and small numbers */
		1273	if (ecb_expect_true (x < 0x38800000))
		1274	{
		1275	/* zero */
		1276	if (ecb_expect_true (!x))
		1277	return s;
		1278
		1279	/* handle subnormals */
		1280
		1281	/* too small, will be zero */
		1282	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1283	return s;
		1284
		1285	m |= 0x00800000; /* make implicit bit explicit */
		1286
		1287	/* very tricky - we need to round to the nearest e (+10) bit value */
		1288	{
		1289	unsigned int bits = 14 - e;
		1290	unsigned int half = (1 << (bits - 1)) - 1;
		1291	unsigned int even = (m >> bits) & 1;
		1292
		1293	/* if this overflows, we will end up with a normalised number */
		1294	m = (m + half + even) >> bits;
		1295	}
		1296
		1297	return s | m;
		1298	}
		1299
		1300	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1301	m >>= 13;
		1302
		1303	return s | 0x7c00 | m | !m;
		1304	}
		1305
1052	/*******************************************************************************/	1306	/*******************************************************************************/
1053	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1307	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1054		1308
1055	/* basically, everything uses "ieee pure-endian" floating point numbers */	1309	/* basically, everything uses "ieee pure-endian" floating point numbers */
1056	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1310	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1057	#if 0 \	1311	#if 0 \
1058	|| __i386 || __i386__ \	1312	|| __i386 || __i386__ \
1059	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1313	|| ECB_GCC_AMD64 \
1060	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1314	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1061	|| defined __arm__ && defined __ARM_EABI__ \
1062	|| defined __s390__ || defined __s390x__ \	1315	|| defined __s390__ || defined __s390x__ \
1063	|| defined __mips__ \	1316	|| defined __mips__ \
1064	|| defined __alpha__ \	1317	|| defined __alpha__ \
1065	|| defined __hppa__ \	1318	|| defined __hppa__ \
1066	|| defined __ia64__ \	1319	|| defined __ia64__ \
1067	|| defined __m68k__ \	1320	|| defined __m68k__ \
1068	|| defined __m88k__ \	1321	|| defined __m88k__ \
1069	|| defined __sh__ \	1322	|| defined __sh__ \
1070	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64	1323	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1324	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1325	|| defined __aarch64__
1071	#define ECB_STDFP 1	1326	#define ECB_STDFP 1
1072	#include <string.h> /* for memcpy */	1327	#include <string.h> /* for memcpy */
1073	#else	1328	#else
1074	#define ECB_STDFP 0	1329	#define ECB_STDFP 0
1075	#endif	1330	#endif
…		…
1089	#define ECB_NAN NAN	1344	#define ECB_NAN NAN
1090	#else	1345	#else
1091	#define ECB_NAN ECB_INFINITY	1346	#define ECB_NAN ECB_INFINITY
1092	#endif	1347	#endif
1093		1348
1094	/* converts an ieee half/binary16 to a float */	1349	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1095	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1350	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1096	ecb_function_ float	1351	#define ecb_frexpf(x,e) frexpf ((x), (e))
1097	ecb_binary16_to_float (uint16_t x)	1352	#else
1098	{	1353	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1099	int e = (x >> 10) & 0x1f;	1354	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1100	int m = x & 0x3ff;	1355	#endif
1101	float r;
1102
1103	if (!e ) r = ldexpf (m , -24);
1104	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1105	else if (m ) r = ECB_NAN;
1106	else r = ECB_INFINITY;
1107
1108	return x & 0x8000 ? -r : r;
1109	}
1110		1356
1111	/* convert a float to ieee single/binary32 */	1357	/* convert a float to ieee single/binary32 */
1112	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1358	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1113	ecb_function_ uint32_t	1359	ecb_function_ ecb_const uint32_t
1114	ecb_float_to_binary32 (float x)	1360	ecb_float_to_binary32 (float x)
1115	{	1361	{
1116	uint32_t r;	1362	uint32_t r;
1117		1363
1118	#if ECB_STDFP	1364	#if ECB_STDFP
…		…
1125	if (x == 0e0f ) return 0x00000000U;	1371	if (x == 0e0f ) return 0x00000000U;
1126	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1372	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1127	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1373	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1128	if (x != x ) return 0x7fbfffffU;	1374	if (x != x ) return 0x7fbfffffU;
1129		1375
1130	m = frexpf (x, &e) * 0x1000000U;	1376	m = ecb_frexpf (x, &e) * 0x1000000U;
1131		1377
1132	r = m & 0x80000000U;	1378	r = m & 0x80000000U;
1133		1379
1134	if (r)	1380	if (r)
1135	m = -m;	1381	m = -m;
…		…
1147		1393
1148	return r;	1394	return r;
1149	}	1395	}
1150		1396
1151	/* converts an ieee single/binary32 to a float */	1397	/* converts an ieee single/binary32 to a float */
1152	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1398	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1153	ecb_function_ float	1399	ecb_function_ ecb_const float
1154	ecb_binary32_to_float (uint32_t x)	1400	ecb_binary32_to_float (uint32_t x)
1155	{	1401	{
1156	float r;	1402	float r;
1157		1403
1158	#if ECB_STDFP	1404	#if ECB_STDFP
…		…
1168	x |= 0x800000U;	1414	x |= 0x800000U;
1169	else	1415	else
1170	e = 1;	1416	e = 1;
1171		1417
1172	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1418	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1173	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1419	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1174		1420
1175	r = neg ? -r : r;	1421	r = neg ? -r : r;
1176	#endif	1422	#endif
1177		1423
1178	return r;	1424	return r;
1179	}	1425	}
1180		1426
1181	/* convert a double to ieee double/binary64 */	1427	/* convert a double to ieee double/binary64 */
1182	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1428	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1183	ecb_function_ uint64_t	1429	ecb_function_ ecb_const uint64_t
1184	ecb_double_to_binary64 (double x)	1430	ecb_double_to_binary64 (double x)
1185	{	1431	{
1186	uint64_t r;	1432	uint64_t r;
1187		1433
1188	#if ECB_STDFP	1434	#if ECB_STDFP
…		…
1217		1463
1218	return r;	1464	return r;
1219	}	1465	}
1220		1466
1221	/* converts an ieee double/binary64 to a double */	1467	/* converts an ieee double/binary64 to a double */
1222	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1468	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1223	ecb_function_ double	1469	ecb_function_ ecb_const double
1224	ecb_binary64_to_double (uint64_t x)	1470	ecb_binary64_to_double (uint64_t x)
1225	{	1471	{
1226	double r;	1472	double r;
1227		1473
1228	#if ECB_STDFP	1474	#if ECB_STDFP
…		…
1244		1490
1245	r = neg ? -r : r;	1491	r = neg ? -r : r;
1246	#endif	1492	#endif
1247		1493
1248	return r;	1494	return r;
		1495	}
		1496
		1497	/* convert a float to ieee half/binary16 */
		1498	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1499	ecb_function_ ecb_const uint16_t
		1500	ecb_float_to_binary16 (float x)
		1501	{
		1502	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1503	}
		1504
		1505	/* convert an ieee half/binary16 to float */
		1506	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1507	ecb_function_ ecb_const float
		1508	ecb_binary16_to_float (uint16_t x)
		1509	{
		1510	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1249	}	1511	}
1250		1512
1251	#endif	1513	#endif
1252		1514
1253	#endif	1515	#endif
…		…
1278	#define inline_size ecb_inline	1540	#define inline_size ecb_inline
1279		1541
1280	#if EV_FEATURE_CODE	1542	#if EV_FEATURE_CODE
1281	# define inline_speed ecb_inline	1543	# define inline_speed ecb_inline
1282	#else	1544	#else
1283	# define inline_speed static noinline	1545	# define inline_speed noinline static
1284	#endif	1546	#endif
1285		1547
1286	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1548	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1287		1549
1288	#if EV_MINPRI == EV_MAXPRI	1550	#if EV_MINPRI == EV_MAXPRI
1289	# define ABSPRI(w) (((W)w), 0)	1551	# define ABSPRI(w) (((W)w), 0)
1290	#else	1552	#else
1291	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1553	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1292	#endif	1554	#endif
1293		1555
1294	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1556	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1295	#define EMPTY2(a,b) /* used to suppress some warnings */
1296		1557
1297	typedef ev_watcher *W;	1558	typedef ev_watcher *W;
1298	typedef ev_watcher_list *WL;	1559	typedef ev_watcher_list *WL;
1299	typedef ev_watcher_time *WT;	1560	typedef ev_watcher_time *WT;
1300		1561
…		…
1335	#else	1596	#else
1336		1597
1337	#include <float.h>	1598	#include <float.h>
1338		1599
1339	/* a floor() replacement function, should be independent of ev_tstamp type */	1600	/* a floor() replacement function, should be independent of ev_tstamp type */
		1601	noinline
1340	static ev_tstamp noinline	1602	static ev_tstamp
1341	ev_floor (ev_tstamp v)	1603	ev_floor (ev_tstamp v)
1342	{	1604	{
1343	/* the choice of shift factor is not terribly important */	1605	/* the choice of shift factor is not terribly important */
1344	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1606	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1345	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1607	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1377		1639
1378	#ifdef __linux	1640	#ifdef __linux
1379	# include <sys/utsname.h>	1641	# include <sys/utsname.h>
1380	#endif	1642	#endif
1381		1643
1382	static unsigned int noinline ecb_cold	1644	noinline ecb_cold
		1645	static unsigned int
1383	ev_linux_version (void)	1646	ev_linux_version (void)
1384	{	1647	{
1385	#ifdef __linux	1648	#ifdef __linux
1386	unsigned int v = 0;	1649	unsigned int v = 0;
1387	struct utsname buf;	1650	struct utsname buf;
…		…
1416	}	1679	}
1417		1680
1418	/*****************************************************************************/	1681	/*****************************************************************************/
1419		1682
1420	#if EV_AVOID_STDIO	1683	#if EV_AVOID_STDIO
1421	static void noinline ecb_cold	1684	noinline ecb_cold
		1685	static void
1422	ev_printerr (const char *msg)	1686	ev_printerr (const char *msg)
1423	{	1687	{
1424	write (STDERR_FILENO, msg, strlen (msg));	1688	write (STDERR_FILENO, msg, strlen (msg));
1425	}	1689	}
1426	#endif	1690	#endif
1427		1691
1428	static void (*syserr_cb)(const char *msg) EV_THROW;	1692	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1429		1693
1430	void ecb_cold	1694	ecb_cold
		1695	void
1431	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1696	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1432	{	1697	{
1433	syserr_cb = cb;	1698	syserr_cb = cb;
1434	}	1699	}
1435		1700
1436	static void noinline ecb_cold	1701	noinline ecb_cold
		1702	static void
1437	ev_syserr (const char *msg)	1703	ev_syserr (const char *msg)
1438	{	1704	{
1439	if (!msg)	1705	if (!msg)
1440	msg = "(libev) system error";	1706	msg = "(libev) system error";
1441		1707
…		…
1454	abort ();	1720	abort ();
1455	}	1721	}
1456	}	1722	}
1457		1723
1458	static void *	1724	static void *
1459	ev_realloc_emul (void *ptr, long size) EV_THROW	1725	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1460	{	1726	{
1461	/* some systems, notably openbsd and darwin, fail to properly	1727	/* some systems, notably openbsd and darwin, fail to properly
1462	* implement realloc (x, 0) (as required by both ansi c-89 and	1728	* implement realloc (x, 0) (as required by both ansi c-89 and
1463	* the single unix specification, so work around them here.	1729	* the single unix specification, so work around them here.
1464	* recently, also (at least) fedora and debian started breaking it,	1730	* recently, also (at least) fedora and debian started breaking it,
…		…
1470		1736
1471	free (ptr);	1737	free (ptr);
1472	return 0;	1738	return 0;
1473	}	1739	}
1474		1740
1475	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1741	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1476		1742
1477	void ecb_cold	1743	ecb_cold
		1744	void
1478	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1745	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1479	{	1746	{
1480	alloc = cb;	1747	alloc = cb;
1481	}	1748	}
1482		1749
1483	inline_speed void *	1750	inline_speed void *
…		…
1510	typedef struct	1777	typedef struct
1511	{	1778	{
1512	WL head;	1779	WL head;
1513	unsigned char events; /* the events watched for */	1780	unsigned char events; /* the events watched for */
1514	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1781	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1515	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1782	unsigned char emask; /* some backends store the actual kernel mask in here */
1516	unsigned char unused;	1783	unsigned char unused;
1517	#if EV_USE_EPOLL	1784	#if EV_USE_EPOLL
1518	unsigned int egen; /* generation counter to counter epoll bugs */	1785	unsigned int egen; /* generation counter to counter epoll bugs */
1519	#endif	1786	#endif
1520	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1787	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1600		1867
1601	/*****************************************************************************/	1868	/*****************************************************************************/
1602		1869
1603	#ifndef EV_HAVE_EV_TIME	1870	#ifndef EV_HAVE_EV_TIME
1604	ev_tstamp	1871	ev_tstamp
1605	ev_time (void) EV_THROW	1872	ev_time (void) EV_NOEXCEPT
1606	{	1873	{
1607	#if EV_USE_REALTIME	1874	#if EV_USE_REALTIME
1608	if (expect_true (have_realtime))	1875	if (expect_true (have_realtime))
1609	{	1876	{
1610	struct timespec ts;	1877	struct timespec ts;
…		…
1634	return ev_time ();	1901	return ev_time ();
1635	}	1902	}
1636		1903
1637	#if EV_MULTIPLICITY	1904	#if EV_MULTIPLICITY
1638	ev_tstamp	1905	ev_tstamp
1639	ev_now (EV_P) EV_THROW	1906	ev_now (EV_P) EV_NOEXCEPT
1640	{	1907	{
1641	return ev_rt_now;	1908	return ev_rt_now;
1642	}	1909	}
1643	#endif	1910	#endif
1644		1911
1645	void	1912	void
1646	ev_sleep (ev_tstamp delay) EV_THROW	1913	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1647	{	1914	{
1648	if (delay > 0.)	1915	if (delay > 0.)
1649	{	1916	{
1650	#if EV_USE_NANOSLEEP	1917	#if EV_USE_NANOSLEEP
1651	struct timespec ts;	1918	struct timespec ts;
1652		1919
1653	EV_TS_SET (ts, delay);	1920	EV_TS_SET (ts, delay);
1654	nanosleep (&ts, 0);	1921	nanosleep (&ts, 0);
1655	#elif defined _WIN32	1922	#elif defined _WIN32
		1923	/* maybe this should round up, as ms is very low resolution */
		1924	/* compared to select (µs) or nanosleep (ns) */
1656	Sleep ((unsigned long)(delay * 1e3));	1925	Sleep ((unsigned long)(delay * 1e3));
1657	#else	1926	#else
1658	struct timeval tv;	1927	struct timeval tv;
1659		1928
1660	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1929	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1691	}	1960	}
1692		1961
1693	return ncur;	1962	return ncur;
1694	}	1963	}
1695		1964
1696	static void * noinline ecb_cold	1965	noinline ecb_cold
		1966	static void *
1697	array_realloc (int elem, void *base, int *cur, int cnt)	1967	array_realloc (int elem, void *base, int *cur, int cnt)
1698	{	1968	{
1699	*cur = array_nextsize (elem, *cur, cnt);	1969	*cur = array_nextsize (elem, *cur, cnt);
1700	return ev_realloc (base, elem * *cur);	1970	return ev_realloc (base, elem * *cur);
1701	}	1971	}
1702		1972
		1973	#define array_needsize_noinit(base,count)
		1974
1703	#define array_init_zero(base,count) \	1975	#define array_needsize_zerofill(base,count) \
1704	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1976	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1705		1977
1706	#define array_needsize(type,base,cur,cnt,init) \	1978	#define array_needsize(type,base,cur,cnt,init) \
1707	if (expect_false ((cnt) > (cur))) \	1979	if (expect_false ((cnt) > (cur))) \
1708	{ \	1980	{ \
1709	int ecb_unused ocur_ = (cur); \	1981	ecb_unused int ocur_ = (cur); \
1710	(base) = (type *)array_realloc \	1982	(base) = (type *)array_realloc \
1711	(sizeof (type), (base), &(cur), (cnt)); \	1983	(sizeof (type), (base), &(cur), (cnt)); \
1712	init ((base) + (ocur_), (cur) - ocur_); \	1984	init ((base) + (ocur_), (cur) - ocur_); \
1713	}	1985	}
1714		1986
…		…
1726	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	1998	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1727		1999
1728	/*****************************************************************************/	2000	/*****************************************************************************/
1729		2001
1730	/* dummy callback for pending events */	2002	/* dummy callback for pending events */
1731	static void noinline	2003	noinline
		2004	static void
1732	pendingcb (EV_P_ ev_prepare *w, int revents)	2005	pendingcb (EV_P_ ev_prepare *w, int revents)
1733	{	2006	{
1734	}	2007	}
1735		2008
1736	void noinline	2009	noinline
		2010	void
1737	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2011	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1738	{	2012	{
1739	W w_ = (W)w;	2013	W w_ = (W)w;
1740	int pri = ABSPRI (w_);	2014	int pri = ABSPRI (w_);
1741		2015
1742	if (expect_false (w_->pending))	2016	if (expect_false (w_->pending))
1743	pendings [pri][w_->pending - 1].events |= revents;	2017	pendings [pri][w_->pending - 1].events |= revents;
1744	else	2018	else
1745	{	2019	{
1746	w_->pending = ++pendingcnt [pri];	2020	w_->pending = ++pendingcnt [pri];
1747	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2021	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1748	pendings [pri][w_->pending - 1].w = w_;	2022	pendings [pri][w_->pending - 1].w = w_;
1749	pendings [pri][w_->pending - 1].events = revents;	2023	pendings [pri][w_->pending - 1].events = revents;
1750	}	2024	}
1751		2025
1752	pendingpri = NUMPRI - 1;	2026	pendingpri = NUMPRI - 1;
1753	}	2027	}
1754		2028
1755	inline_speed void	2029	inline_speed void
1756	feed_reverse (EV_P_ W w)	2030	feed_reverse (EV_P_ W w)
1757	{	2031	{
1758	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2032	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1759	rfeeds [rfeedcnt++] = w;	2033	rfeeds [rfeedcnt++] = w;
1760	}	2034	}
1761		2035
1762	inline_size void	2036	inline_size void
1763	feed_reverse_done (EV_P_ int revents)	2037	feed_reverse_done (EV_P_ int revents)
…		…
1803	if (expect_true (!anfd->reify))	2077	if (expect_true (!anfd->reify))
1804	fd_event_nocheck (EV_A_ fd, revents);	2078	fd_event_nocheck (EV_A_ fd, revents);
1805	}	2079	}
1806		2080
1807	void	2081	void
1808	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2082	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1809	{	2083	{
1810	if (fd >= 0 && fd < anfdmax)	2084	if (fd >= 0 && fd < anfdmax)
1811	fd_event_nocheck (EV_A_ fd, revents);	2085	fd_event_nocheck (EV_A_ fd, revents);
1812	}	2086	}
1813		2087
…		…
1871		2145
1872	fdchangecnt = 0;	2146	fdchangecnt = 0;
1873	}	2147	}
1874		2148
1875	/* something about the given fd changed */	2149	/* something about the given fd changed */
1876	inline_size void	2150	inline_size
		2151	void
1877	fd_change (EV_P_ int fd, int flags)	2152	fd_change (EV_P_ int fd, int flags)
1878	{	2153	{
1879	unsigned char reify = anfds [fd].reify;	2154	unsigned char reify = anfds [fd].reify;
1880	anfds [fd].reify |= flags;	2155	anfds [fd].reify |= flags;
1881		2156
1882	if (expect_true (!reify))	2157	if (expect_true (!reify))
1883	{	2158	{
1884	++fdchangecnt;	2159	++fdchangecnt;
1885	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2160	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1886	fdchanges [fdchangecnt - 1] = fd;	2161	fdchanges [fdchangecnt - 1] = fd;
1887	}	2162	}
1888	}	2163	}
1889		2164
1890	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2165	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1891	inline_speed void ecb_cold	2166	inline_speed ecb_cold void
1892	fd_kill (EV_P_ int fd)	2167	fd_kill (EV_P_ int fd)
1893	{	2168	{
1894	ev_io *w;	2169	ev_io *w;
1895		2170
1896	while ((w = (ev_io *)anfds [fd].head))	2171	while ((w = (ev_io *)anfds [fd].head))
…		…
1899	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2174	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1900	}	2175	}
1901	}	2176	}
1902		2177
1903	/* check whether the given fd is actually valid, for error recovery */	2178	/* check whether the given fd is actually valid, for error recovery */
1904	inline_size int ecb_cold	2179	inline_size ecb_cold int
1905	fd_valid (int fd)	2180	fd_valid (int fd)
1906	{	2181	{
1907	#ifdef _WIN32	2182	#ifdef _WIN32
1908	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2183	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1909	#else	2184	#else
1910	return fcntl (fd, F_GETFD) != -1;	2185	return fcntl (fd, F_GETFD) != -1;
1911	#endif	2186	#endif
1912	}	2187	}
1913		2188
1914	/* called on EBADF to verify fds */	2189	/* called on EBADF to verify fds */
1915	static void noinline ecb_cold	2190	noinline ecb_cold
		2191	static void
1916	fd_ebadf (EV_P)	2192	fd_ebadf (EV_P)
1917	{	2193	{
1918	int fd;	2194	int fd;
1919		2195
1920	for (fd = 0; fd < anfdmax; ++fd)	2196	for (fd = 0; fd < anfdmax; ++fd)
…		…
1922	if (!fd_valid (fd) && errno == EBADF)	2198	if (!fd_valid (fd) && errno == EBADF)
1923	fd_kill (EV_A_ fd);	2199	fd_kill (EV_A_ fd);
1924	}	2200	}
1925		2201
1926	/* called on ENOMEM in select/poll to kill some fds and retry */	2202	/* called on ENOMEM in select/poll to kill some fds and retry */
1927	static void noinline ecb_cold	2203	noinline ecb_cold
		2204	static void
1928	fd_enomem (EV_P)	2205	fd_enomem (EV_P)
1929	{	2206	{
1930	int fd;	2207	int fd;
1931		2208
1932	for (fd = anfdmax; fd--; )	2209	for (fd = anfdmax; fd--; )
…		…
1936	break;	2213	break;
1937	}	2214	}
1938	}	2215	}
1939		2216
1940	/* usually called after fork if backend needs to re-arm all fds from scratch */	2217	/* usually called after fork if backend needs to re-arm all fds from scratch */
1941	static void noinline	2218	noinline
		2219	static void
1942	fd_rearm_all (EV_P)	2220	fd_rearm_all (EV_P)
1943	{	2221	{
1944	int fd;	2222	int fd;
1945		2223
1946	for (fd = 0; fd < anfdmax; ++fd)	2224	for (fd = 0; fd < anfdmax; ++fd)
…		…
2127		2405
2128	/*****************************************************************************/	2406	/*****************************************************************************/
2129		2407
2130	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2408	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2131		2409
2132	static void noinline ecb_cold	2410	noinline ecb_cold
		2411	static void
2133	evpipe_init (EV_P)	2412	evpipe_init (EV_P)
2134	{	2413	{
2135	if (!ev_is_active (&pipe_w))	2414	if (!ev_is_active (&pipe_w))
2136	{	2415	{
2137	int fds [2];	2416	int fds [2];
…		…
2208	#endif	2487	#endif
2209	{	2488	{
2210	#ifdef _WIN32	2489	#ifdef _WIN32
2211	WSABUF buf;	2490	WSABUF buf;
2212	DWORD sent;	2491	DWORD sent;
2213	buf.buf = &buf;	2492	buf.buf = (char *)&buf;
2214	buf.len = 1;	2493	buf.len = 1;
2215	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2494	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2216	#else	2495	#else
2217	write (evpipe [1], &(evpipe [1]), 1);	2496	write (evpipe [1], &(evpipe [1]), 1);
2218	#endif	2497	#endif
…		…
2290	}	2569	}
2291		2570
2292	/*****************************************************************************/	2571	/*****************************************************************************/
2293		2572
2294	void	2573	void
2295	ev_feed_signal (int signum) EV_THROW	2574	ev_feed_signal (int signum) EV_NOEXCEPT
2296	{	2575	{
2297	#if EV_MULTIPLICITY	2576	#if EV_MULTIPLICITY
2298	EV_P;	2577	EV_P;
2299	ECB_MEMORY_FENCE_ACQUIRE;	2578	ECB_MEMORY_FENCE_ACQUIRE;
2300	EV_A = signals [signum - 1].loop;	2579	EV_A = signals [signum - 1].loop;
…		…
2315	#endif	2594	#endif
2316		2595
2317	ev_feed_signal (signum);	2596	ev_feed_signal (signum);
2318	}	2597	}
2319		2598
2320	void noinline	2599	noinline
		2600	void
2321	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2601	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2322	{	2602	{
2323	WL w;	2603	WL w;
2324		2604
2325	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2605	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2326	return;	2606	return;
…		…
2432	# include "ev_port.c"	2712	# include "ev_port.c"
2433	#endif	2713	#endif
2434	#if EV_USE_KQUEUE	2714	#if EV_USE_KQUEUE
2435	# include "ev_kqueue.c"	2715	# include "ev_kqueue.c"
2436	#endif	2716	#endif
		2717	#if EV_USE_LINUXAIO
		2718	# include "ev_linuxaio.c"
		2719	#endif
2437	#if EV_USE_EPOLL	2720	#if EV_USE_EPOLL
2438	# include "ev_epoll.c"	2721	# include "ev_epoll.c"
2439	#endif	2722	#endif
2440	#if EV_USE_POLL	2723	#if EV_USE_POLL
2441	# include "ev_poll.c"	2724	# include "ev_poll.c"
2442	#endif	2725	#endif
2443	#if EV_USE_SELECT	2726	#if EV_USE_SELECT
2444	# include "ev_select.c"	2727	# include "ev_select.c"
2445	#endif	2728	#endif
2446		2729
2447	int ecb_cold	2730	ecb_cold int
2448	ev_version_major (void) EV_THROW	2731	ev_version_major (void) EV_NOEXCEPT
2449	{	2732	{
2450	return EV_VERSION_MAJOR;	2733	return EV_VERSION_MAJOR;
2451	}	2734	}
2452		2735
2453	int ecb_cold	2736	ecb_cold int
2454	ev_version_minor (void) EV_THROW	2737	ev_version_minor (void) EV_NOEXCEPT
2455	{	2738	{
2456	return EV_VERSION_MINOR;	2739	return EV_VERSION_MINOR;
2457	}	2740	}
2458		2741
2459	/* return true if we are running with elevated privileges and should ignore env variables */	2742	/* return true if we are running with elevated privileges and should ignore env variables */
2460	int inline_size ecb_cold	2743	inline_size ecb_cold int
2461	enable_secure (void)	2744	enable_secure (void)
2462	{	2745	{
2463	#ifdef _WIN32	2746	#ifdef _WIN32
2464	return 0;	2747	return 0;
2465	#else	2748	#else
2466	return getuid () != geteuid ()	2749	return getuid () != geteuid ()
2467	|| getgid () != getegid ();	2750	|| getgid () != getegid ();
2468	#endif	2751	#endif
2469	}	2752	}
2470		2753
2471	unsigned int ecb_cold	2754	ecb_cold
		2755	unsigned int
2472	ev_supported_backends (void) EV_THROW	2756	ev_supported_backends (void) EV_NOEXCEPT
2473	{	2757	{
2474	unsigned int flags = 0;	2758	unsigned int flags = 0;
2475		2759
2476	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2760	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2477	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2761	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2478	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2762	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2763	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2479	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2764	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2480	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2765	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2481		2766
2482	return flags;	2767	return flags;
2483	}	2768	}
2484		2769
2485	unsigned int ecb_cold	2770	ecb_cold
		2771	unsigned int
2486	ev_recommended_backends (void) EV_THROW	2772	ev_recommended_backends (void) EV_NOEXCEPT
2487	{	2773	{
2488	unsigned int flags = ev_supported_backends ();	2774	unsigned int flags = ev_supported_backends ();
2489		2775
2490	#ifndef __NetBSD__	2776	#ifndef __NetBSD__
2491	/* kqueue is borked on everything but netbsd apparently */	2777	/* kqueue is borked on everything but netbsd apparently */
…		…
2502	#endif	2788	#endif
2503		2789
2504	return flags;	2790	return flags;
2505	}	2791	}
2506		2792
2507	unsigned int ecb_cold	2793	ecb_cold
		2794	unsigned int
2508	ev_embeddable_backends (void) EV_THROW	2795	ev_embeddable_backends (void) EV_NOEXCEPT
2509	{	2796	{
2510	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2797	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2511		2798
2512	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2799	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2513	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2800	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2515		2802
2516	return flags;	2803	return flags;
2517	}	2804	}
2518		2805
2519	unsigned int	2806	unsigned int
2520	ev_backend (EV_P) EV_THROW	2807	ev_backend (EV_P) EV_NOEXCEPT
2521	{	2808	{
2522	return backend;	2809	return backend;
2523	}	2810	}
2524		2811
2525	#if EV_FEATURE_API	2812	#if EV_FEATURE_API
2526	unsigned int	2813	unsigned int
2527	ev_iteration (EV_P) EV_THROW	2814	ev_iteration (EV_P) EV_NOEXCEPT
2528	{	2815	{
2529	return loop_count;	2816	return loop_count;
2530	}	2817	}
2531		2818
2532	unsigned int	2819	unsigned int
2533	ev_depth (EV_P) EV_THROW	2820	ev_depth (EV_P) EV_NOEXCEPT
2534	{	2821	{
2535	return loop_depth;	2822	return loop_depth;
2536	}	2823	}
2537		2824
2538	void	2825	void
2539	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2826	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2540	{	2827	{
2541	io_blocktime = interval;	2828	io_blocktime = interval;
2542	}	2829	}
2543		2830
2544	void	2831	void
2545	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2832	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2546	{	2833	{
2547	timeout_blocktime = interval;	2834	timeout_blocktime = interval;
2548	}	2835	}
2549		2836
2550	void	2837	void
2551	ev_set_userdata (EV_P_ void *data) EV_THROW	2838	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2552	{	2839	{
2553	userdata = data;	2840	userdata = data;
2554	}	2841	}
2555		2842
2556	void *	2843	void *
2557	ev_userdata (EV_P) EV_THROW	2844	ev_userdata (EV_P) EV_NOEXCEPT
2558	{	2845	{
2559	return userdata;	2846	return userdata;
2560	}	2847	}
2561		2848
2562	void	2849	void
2563	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2850	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2564	{	2851	{
2565	invoke_cb = invoke_pending_cb;	2852	invoke_cb = invoke_pending_cb;
2566	}	2853	}
2567		2854
2568	void	2855	void
2569	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW	2856	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2570	{	2857	{
2571	release_cb = release;	2858	release_cb = release;
2572	acquire_cb = acquire;	2859	acquire_cb = acquire;
2573	}	2860	}
2574	#endif	2861	#endif
2575		2862
2576	/* initialise a loop structure, must be zero-initialised */	2863	/* initialise a loop structure, must be zero-initialised */
2577	static void noinline ecb_cold	2864	noinline ecb_cold
		2865	static void
2578	loop_init (EV_P_ unsigned int flags) EV_THROW	2866	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2579	{	2867	{
2580	if (!backend)	2868	if (!backend)
2581	{	2869	{
2582	origflags = flags;	2870	origflags = flags;
2583		2871
…		…
2641		2929
2642	if (!(flags & EVBACKEND_MASK))	2930	if (!(flags & EVBACKEND_MASK))
2643	flags |= ev_recommended_backends ();	2931	flags |= ev_recommended_backends ();
2644		2932
2645	#if EV_USE_IOCP	2933	#if EV_USE_IOCP
2646	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	2934	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2647	#endif	2935	#endif
2648	#if EV_USE_PORT	2936	#if EV_USE_PORT
2649	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	2937	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2650	#endif	2938	#endif
2651	#if EV_USE_KQUEUE	2939	#if EV_USE_KQUEUE
2652	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	2940	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		2941	#endif
		2942	#if EV_USE_LINUXAIO
		2943	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2653	#endif	2944	#endif
2654	#if EV_USE_EPOLL	2945	#if EV_USE_EPOLL
2655	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	2946	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2656	#endif	2947	#endif
2657	#if EV_USE_POLL	2948	#if EV_USE_POLL
2658	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	2949	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2659	#endif	2950	#endif
2660	#if EV_USE_SELECT	2951	#if EV_USE_SELECT
2661	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	2952	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2662	#endif	2953	#endif
2663		2954
2664	ev_prepare_init (&pending_w, pendingcb);	2955	ev_prepare_init (&pending_w, pendingcb);
2665		2956
2666	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2957	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2669	#endif	2960	#endif
2670	}	2961	}
2671	}	2962	}
2672		2963
2673	/* free up a loop structure */	2964	/* free up a loop structure */
2674	void ecb_cold	2965	ecb_cold
		2966	void
2675	ev_loop_destroy (EV_P)	2967	ev_loop_destroy (EV_P)
2676	{	2968	{
2677	int i;	2969	int i;
2678		2970
2679	#if EV_MULTIPLICITY	2971	#if EV_MULTIPLICITY
…		…
2720		3012
2721	if (backend_fd >= 0)	3013	if (backend_fd >= 0)
2722	close (backend_fd);	3014	close (backend_fd);
2723		3015
2724	#if EV_USE_IOCP	3016	#if EV_USE_IOCP
2725	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3017	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2726	#endif	3018	#endif
2727	#if EV_USE_PORT	3019	#if EV_USE_PORT
2728	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3020	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2729	#endif	3021	#endif
2730	#if EV_USE_KQUEUE	3022	#if EV_USE_KQUEUE
2731	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3023	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3024	#endif
		3025	#if EV_USE_LINUXAIO
		3026	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2732	#endif	3027	#endif
2733	#if EV_USE_EPOLL	3028	#if EV_USE_EPOLL
2734	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3029	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2735	#endif	3030	#endif
2736	#if EV_USE_POLL	3031	#if EV_USE_POLL
2737	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3032	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2738	#endif	3033	#endif
2739	#if EV_USE_SELECT	3034	#if EV_USE_SELECT
2740	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3035	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2741	#endif	3036	#endif
2742		3037
2743	for (i = NUMPRI; i--; )	3038	for (i = NUMPRI; i--; )
2744	{	3039	{
2745	array_free (pending, [i]);	3040	array_free (pending, [i]);
…		…
2787		3082
2788	inline_size void	3083	inline_size void
2789	loop_fork (EV_P)	3084	loop_fork (EV_P)
2790	{	3085	{
2791	#if EV_USE_PORT	3086	#if EV_USE_PORT
2792	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3087	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2793	#endif	3088	#endif
2794	#if EV_USE_KQUEUE	3089	#if EV_USE_KQUEUE
2795	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3090	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3091	#endif
		3092	#if EV_USE_LINUXAIO
		3093	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2796	#endif	3094	#endif
2797	#if EV_USE_EPOLL	3095	#if EV_USE_EPOLL
2798	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3096	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2799	#endif	3097	#endif
2800	#if EV_USE_INOTIFY	3098	#if EV_USE_INOTIFY
2801	infy_fork (EV_A);	3099	infy_fork (EV_A);
2802	#endif	3100	#endif
2803		3101
2804	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3102	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2805	if (ev_is_active (&pipe_w))	3103	if (ev_is_active (&pipe_w) && postfork != 2)
2806	{	3104	{
2807	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3105	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2808		3106
2809	ev_ref (EV_A);	3107	ev_ref (EV_A);
2810	ev_io_stop (EV_A_ &pipe_w);	3108	ev_io_stop (EV_A_ &pipe_w);
…		…
2821	postfork = 0;	3119	postfork = 0;
2822	}	3120	}
2823		3121
2824	#if EV_MULTIPLICITY	3122	#if EV_MULTIPLICITY
2825		3123
		3124	ecb_cold
2826	struct ev_loop * ecb_cold	3125	struct ev_loop *
2827	ev_loop_new (unsigned int flags) EV_THROW	3126	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2828	{	3127	{
2829	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3128	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2830		3129
2831	memset (EV_A, 0, sizeof (struct ev_loop));	3130	memset (EV_A, 0, sizeof (struct ev_loop));
2832	loop_init (EV_A_ flags);	3131	loop_init (EV_A_ flags);
…		…
2839	}	3138	}
2840		3139
2841	#endif /* multiplicity */	3140	#endif /* multiplicity */
2842		3141
2843	#if EV_VERIFY	3142	#if EV_VERIFY
2844	static void noinline ecb_cold	3143	noinline ecb_cold
		3144	static void
2845	verify_watcher (EV_P_ W w)	3145	verify_watcher (EV_P_ W w)
2846	{	3146	{
2847	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3147	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2848		3148
2849	if (w->pending)	3149	if (w->pending)
2850	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3150	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2851	}	3151	}
2852		3152
2853	static void noinline ecb_cold	3153	noinline ecb_cold
		3154	static void
2854	verify_heap (EV_P_ ANHE *heap, int N)	3155	verify_heap (EV_P_ ANHE *heap, int N)
2855	{	3156	{
2856	int i;	3157	int i;
2857		3158
2858	for (i = HEAP0; i < N + HEAP0; ++i)	3159	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2863		3164
2864	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3165	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2865	}	3166	}
2866	}	3167	}
2867		3168
2868	static void noinline ecb_cold	3169	noinline ecb_cold
		3170	static void
2869	array_verify (EV_P_ W *ws, int cnt)	3171	array_verify (EV_P_ W *ws, int cnt)
2870	{	3172	{
2871	while (cnt--)	3173	while (cnt--)
2872	{	3174	{
2873	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3175	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2876	}	3178	}
2877	#endif	3179	#endif
2878		3180
2879	#if EV_FEATURE_API	3181	#if EV_FEATURE_API
2880	void ecb_cold	3182	void ecb_cold
2881	ev_verify (EV_P) EV_THROW	3183	ev_verify (EV_P) EV_NOEXCEPT
2882	{	3184	{
2883	#if EV_VERIFY	3185	#if EV_VERIFY
2884	int i;	3186	int i;
2885	WL w, w2;	3187	WL w, w2;
2886		3188
…		…
2962	#endif	3264	#endif
2963	}	3265	}
2964	#endif	3266	#endif
2965		3267
2966	#if EV_MULTIPLICITY	3268	#if EV_MULTIPLICITY
		3269	ecb_cold
2967	struct ev_loop * ecb_cold	3270	struct ev_loop *
2968	#else	3271	#else
2969	int	3272	int
2970	#endif	3273	#endif
2971	ev_default_loop (unsigned int flags) EV_THROW	3274	ev_default_loop (unsigned int flags) EV_NOEXCEPT
2972	{	3275	{
2973	if (!ev_default_loop_ptr)	3276	if (!ev_default_loop_ptr)
2974	{	3277	{
2975	#if EV_MULTIPLICITY	3278	#if EV_MULTIPLICITY
2976	EV_P = ev_default_loop_ptr = &default_loop_struct;	3279	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2995		3298
2996	return ev_default_loop_ptr;	3299	return ev_default_loop_ptr;
2997	}	3300	}
2998		3301
2999	void	3302	void
3000	ev_loop_fork (EV_P) EV_THROW	3303	ev_loop_fork (EV_P) EV_NOEXCEPT
3001	{	3304	{
3002	postfork = 1;	3305	postfork = 1;
3003	}	3306	}
3004		3307
3005	/*****************************************************************************/	3308	/*****************************************************************************/
…		…
3009	{	3312	{
3010	EV_CB_INVOKE ((W)w, revents);	3313	EV_CB_INVOKE ((W)w, revents);
3011	}	3314	}
3012		3315
3013	unsigned int	3316	unsigned int
3014	ev_pending_count (EV_P) EV_THROW	3317	ev_pending_count (EV_P) EV_NOEXCEPT
3015	{	3318	{
3016	int pri;	3319	int pri;
3017	unsigned int count = 0;	3320	unsigned int count = 0;
3018		3321
3019	for (pri = NUMPRI; pri--; )	3322	for (pri = NUMPRI; pri--; )
3020	count += pendingcnt [pri];	3323	count += pendingcnt [pri];
3021		3324
3022	return count;	3325	return count;
3023	}	3326	}
3024		3327
3025	void noinline	3328	noinline
		3329	void
3026	ev_invoke_pending (EV_P)	3330	ev_invoke_pending (EV_P)
3027	{	3331	{
3028	pendingpri = NUMPRI;	3332	pendingpri = NUMPRI;
3029		3333
3030	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3334	do
3031	{	3335	{
3032	--pendingpri;	3336	--pendingpri;
3033		3337
		3338	/* pendingpri possibly gets modified in the inner loop */
3034	while (pendingcnt [pendingpri])	3339	while (pendingcnt [pendingpri])
3035	{	3340	{
3036	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3341	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3037		3342
3038	p->w->pending = 0;	3343	p->w->pending = 0;
3039	EV_CB_INVOKE (p->w, p->events);	3344	EV_CB_INVOKE (p->w, p->events);
3040	EV_FREQUENT_CHECK;	3345	EV_FREQUENT_CHECK;
3041	}	3346	}
3042	}	3347	}
		3348	while (pendingpri);
3043	}	3349	}
3044		3350
3045	#if EV_IDLE_ENABLE	3351	#if EV_IDLE_ENABLE
3046	/* make idle watchers pending. this handles the "call-idle */	3352	/* make idle watchers pending. this handles the "call-idle */
3047	/* only when higher priorities are idle" logic */	3353	/* only when higher priorities are idle" logic */
…		…
3105	}	3411	}
3106	}	3412	}
3107		3413
3108	#if EV_PERIODIC_ENABLE	3414	#if EV_PERIODIC_ENABLE
3109		3415
3110	static void noinline	3416	noinline
		3417	static void
3111	periodic_recalc (EV_P_ ev_periodic *w)	3418	periodic_recalc (EV_P_ ev_periodic *w)
3112	{	3419	{
3113	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3420	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3114	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3421	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3115		3422
…		…
3173	}	3480	}
3174	}	3481	}
3175		3482
3176	/* simply recalculate all periodics */	3483	/* simply recalculate all periodics */
3177	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3484	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3178	static void noinline ecb_cold	3485	noinline ecb_cold
		3486	static void
3179	periodics_reschedule (EV_P)	3487	periodics_reschedule (EV_P)
3180	{	3488	{
3181	int i;	3489	int i;
3182		3490
3183	/* adjust periodics after time jump */	3491	/* adjust periodics after time jump */
…		…
3196	reheap (periodics, periodiccnt);	3504	reheap (periodics, periodiccnt);
3197	}	3505	}
3198	#endif	3506	#endif
3199		3507
3200	/* adjust all timers by a given offset */	3508	/* adjust all timers by a given offset */
3201	static void noinline ecb_cold	3509	noinline ecb_cold
		3510	static void
3202	timers_reschedule (EV_P_ ev_tstamp adjust)	3511	timers_reschedule (EV_P_ ev_tstamp adjust)
3203	{	3512	{
3204	int i;	3513	int i;
3205		3514
3206	for (i = 0; i < timercnt; ++i)	3515	for (i = 0; i < timercnt; ++i)
…		…
3453		3762
3454	return activecnt;	3763	return activecnt;
3455	}	3764	}
3456		3765
3457	void	3766	void
3458	ev_break (EV_P_ int how) EV_THROW	3767	ev_break (EV_P_ int how) EV_NOEXCEPT
3459	{	3768	{
3460	loop_done = how;	3769	loop_done = how;
3461	}	3770	}
3462		3771
3463	void	3772	void
3464	ev_ref (EV_P) EV_THROW	3773	ev_ref (EV_P) EV_NOEXCEPT
3465	{	3774	{
3466	++activecnt;	3775	++activecnt;
3467	}	3776	}
3468		3777
3469	void	3778	void
3470	ev_unref (EV_P) EV_THROW	3779	ev_unref (EV_P) EV_NOEXCEPT
3471	{	3780	{
3472	--activecnt;	3781	--activecnt;
3473	}	3782	}
3474		3783
3475	void	3784	void
3476	ev_now_update (EV_P) EV_THROW	3785	ev_now_update (EV_P) EV_NOEXCEPT
3477	{	3786	{
3478	time_update (EV_A_ 1e100);	3787	time_update (EV_A_ 1e100);
3479	}	3788	}
3480		3789
3481	void	3790	void
3482	ev_suspend (EV_P) EV_THROW	3791	ev_suspend (EV_P) EV_NOEXCEPT
3483	{	3792	{
3484	ev_now_update (EV_A);	3793	ev_now_update (EV_A);
3485	}	3794	}
3486		3795
3487	void	3796	void
3488	ev_resume (EV_P) EV_THROW	3797	ev_resume (EV_P) EV_NOEXCEPT
3489	{	3798	{
3490	ev_tstamp mn_prev = mn_now;	3799	ev_tstamp mn_prev = mn_now;
3491		3800
3492	ev_now_update (EV_A);	3801	ev_now_update (EV_A);
3493	timers_reschedule (EV_A_ mn_now - mn_prev);	3802	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3532	w->pending = 0;	3841	w->pending = 0;
3533	}	3842	}
3534	}	3843	}
3535		3844
3536	int	3845	int
3537	ev_clear_pending (EV_P_ void *w) EV_THROW	3846	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3538	{	3847	{
3539	W w_ = (W)w;	3848	W w_ = (W)w;
3540	int pending = w_->pending;	3849	int pending = w_->pending;
3541		3850
3542	if (expect_true (pending))	3851	if (expect_true (pending))
…		…
3574	w->active = 0;	3883	w->active = 0;
3575	}	3884	}
3576		3885
3577	/*****************************************************************************/	3886	/*****************************************************************************/
3578		3887
3579	void noinline	3888	noinline
		3889	void
3580	ev_io_start (EV_P_ ev_io *w) EV_THROW	3890	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3581	{	3891	{
3582	int fd = w->fd;	3892	int fd = w->fd;
3583		3893
3584	if (expect_false (ev_is_active (w)))	3894	if (expect_false (ev_is_active (w)))
3585	return;	3895	return;
…		…
3588	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	3898	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3589		3899
3590	EV_FREQUENT_CHECK;	3900	EV_FREQUENT_CHECK;
3591		3901
3592	ev_start (EV_A_ (W)w, 1);	3902	ev_start (EV_A_ (W)w, 1);
3593	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3903	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3594	wlist_add (&anfds[fd].head, (WL)w);	3904	wlist_add (&anfds[fd].head, (WL)w);
3595		3905
3596	/* common bug, apparently */	3906	/* common bug, apparently */
3597	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	3907	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3598		3908
…		…
3600	w->events &= ~EV__IOFDSET;	3910	w->events &= ~EV__IOFDSET;
3601		3911
3602	EV_FREQUENT_CHECK;	3912	EV_FREQUENT_CHECK;
3603	}	3913	}
3604		3914
3605	void noinline	3915	noinline
		3916	void
3606	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3917	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3607	{	3918	{
3608	clear_pending (EV_A_ (W)w);	3919	clear_pending (EV_A_ (W)w);
3609	if (expect_false (!ev_is_active (w)))	3920	if (expect_false (!ev_is_active (w)))
3610	return;	3921	return;
3611		3922
…		…
3619	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3930	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3620		3931
3621	EV_FREQUENT_CHECK;	3932	EV_FREQUENT_CHECK;
3622	}	3933	}
3623		3934
3624	void noinline	3935	noinline
		3936	void
3625	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3937	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3626	{	3938	{
3627	if (expect_false (ev_is_active (w)))	3939	if (expect_false (ev_is_active (w)))
3628	return;	3940	return;
3629		3941
3630	ev_at (w) += mn_now;	3942	ev_at (w) += mn_now;
…		…
3633		3945
3634	EV_FREQUENT_CHECK;	3946	EV_FREQUENT_CHECK;
3635		3947
3636	++timercnt;	3948	++timercnt;
3637	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	3949	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3638	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	3950	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3639	ANHE_w (timers [ev_active (w)]) = (WT)w;	3951	ANHE_w (timers [ev_active (w)]) = (WT)w;
3640	ANHE_at_cache (timers [ev_active (w)]);	3952	ANHE_at_cache (timers [ev_active (w)]);
3641	upheap (timers, ev_active (w));	3953	upheap (timers, ev_active (w));
3642		3954
3643	EV_FREQUENT_CHECK;	3955	EV_FREQUENT_CHECK;
3644		3956
3645	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3957	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3646	}	3958	}
3647		3959
3648	void noinline	3960	noinline
		3961	void
3649	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3962	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3650	{	3963	{
3651	clear_pending (EV_A_ (W)w);	3964	clear_pending (EV_A_ (W)w);
3652	if (expect_false (!ev_is_active (w)))	3965	if (expect_false (!ev_is_active (w)))
3653	return;	3966	return;
3654		3967
…		…
3673	ev_stop (EV_A_ (W)w);	3986	ev_stop (EV_A_ (W)w);
3674		3987
3675	EV_FREQUENT_CHECK;	3988	EV_FREQUENT_CHECK;
3676	}	3989	}
3677		3990
3678	void noinline	3991	noinline
		3992	void
3679	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	3993	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3680	{	3994	{
3681	EV_FREQUENT_CHECK;	3995	EV_FREQUENT_CHECK;
3682		3996
3683	clear_pending (EV_A_ (W)w);	3997	clear_pending (EV_A_ (W)w);
3684		3998
…		…
3701		4015
3702	EV_FREQUENT_CHECK;	4016	EV_FREQUENT_CHECK;
3703	}	4017	}
3704		4018
3705	ev_tstamp	4019	ev_tstamp
3706	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4020	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3707	{	4021	{
3708	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4022	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3709	}	4023	}
3710		4024
3711	#if EV_PERIODIC_ENABLE	4025	#if EV_PERIODIC_ENABLE
3712	void noinline	4026	noinline
		4027	void
3713	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4028	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3714	{	4029	{
3715	if (expect_false (ev_is_active (w)))	4030	if (expect_false (ev_is_active (w)))
3716	return;	4031	return;
3717		4032
3718	if (w->reschedule_cb)	4033	if (w->reschedule_cb)
…		…
3727		4042
3728	EV_FREQUENT_CHECK;	4043	EV_FREQUENT_CHECK;
3729		4044
3730	++periodiccnt;	4045	++periodiccnt;
3731	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4046	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3732	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4047	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3733	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4048	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3734	ANHE_at_cache (periodics [ev_active (w)]);	4049	ANHE_at_cache (periodics [ev_active (w)]);
3735	upheap (periodics, ev_active (w));	4050	upheap (periodics, ev_active (w));
3736		4051
3737	EV_FREQUENT_CHECK;	4052	EV_FREQUENT_CHECK;
3738		4053
3739	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4054	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3740	}	4055	}
3741		4056
3742	void noinline	4057	noinline
		4058	void
3743	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4059	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3744	{	4060	{
3745	clear_pending (EV_A_ (W)w);	4061	clear_pending (EV_A_ (W)w);
3746	if (expect_false (!ev_is_active (w)))	4062	if (expect_false (!ev_is_active (w)))
3747	return;	4063	return;
3748		4064
…		…
3765	ev_stop (EV_A_ (W)w);	4081	ev_stop (EV_A_ (W)w);
3766		4082
3767	EV_FREQUENT_CHECK;	4083	EV_FREQUENT_CHECK;
3768	}	4084	}
3769		4085
3770	void noinline	4086	noinline
		4087	void
3771	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4088	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3772	{	4089	{
3773	/* TODO: use adjustheap and recalculation */	4090	/* TODO: use adjustheap and recalculation */
3774	ev_periodic_stop (EV_A_ w);	4091	ev_periodic_stop (EV_A_ w);
3775	ev_periodic_start (EV_A_ w);	4092	ev_periodic_start (EV_A_ w);
3776	}	4093	}
…		…
3780	# define SA_RESTART 0	4097	# define SA_RESTART 0
3781	#endif	4098	#endif
3782		4099
3783	#if EV_SIGNAL_ENABLE	4100	#if EV_SIGNAL_ENABLE
3784		4101
3785	void noinline	4102	noinline
		4103	void
3786	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4104	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3787	{	4105	{
3788	if (expect_false (ev_is_active (w)))	4106	if (expect_false (ev_is_active (w)))
3789	return;	4107	return;
3790		4108
3791	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4109	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3862	}	4180	}
3863		4181
3864	EV_FREQUENT_CHECK;	4182	EV_FREQUENT_CHECK;
3865	}	4183	}
3866		4184
3867	void noinline	4185	noinline
		4186	void
3868	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4187	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3869	{	4188	{
3870	clear_pending (EV_A_ (W)w);	4189	clear_pending (EV_A_ (W)w);
3871	if (expect_false (!ev_is_active (w)))	4190	if (expect_false (!ev_is_active (w)))
3872	return;	4191	return;
3873		4192
…		…
3904	#endif	4223	#endif
3905		4224
3906	#if EV_CHILD_ENABLE	4225	#if EV_CHILD_ENABLE
3907		4226
3908	void	4227	void
3909	ev_child_start (EV_P_ ev_child *w) EV_THROW	4228	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3910	{	4229	{
3911	#if EV_MULTIPLICITY	4230	#if EV_MULTIPLICITY
3912	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4231	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3913	#endif	4232	#endif
3914	if (expect_false (ev_is_active (w)))	4233	if (expect_false (ev_is_active (w)))
…		…
3921		4240
3922	EV_FREQUENT_CHECK;	4241	EV_FREQUENT_CHECK;
3923	}	4242	}
3924		4243
3925	void	4244	void
3926	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4245	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3927	{	4246	{
3928	clear_pending (EV_A_ (W)w);	4247	clear_pending (EV_A_ (W)w);
3929	if (expect_false (!ev_is_active (w)))	4248	if (expect_false (!ev_is_active (w)))
3930	return;	4249	return;
3931		4250
…		…
3948		4267
3949	#define DEF_STAT_INTERVAL 5.0074891	4268	#define DEF_STAT_INTERVAL 5.0074891
3950	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4269	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3951	#define MIN_STAT_INTERVAL 0.1074891	4270	#define MIN_STAT_INTERVAL 0.1074891
3952		4271
3953	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4272	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3954		4273
3955	#if EV_USE_INOTIFY	4274	#if EV_USE_INOTIFY
3956		4275
3957	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4276	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3958	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4277	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3959		4278
3960	static void noinline	4279	noinline
		4280	static void
3961	infy_add (EV_P_ ev_stat *w)	4281	infy_add (EV_P_ ev_stat *w)
3962	{	4282	{
3963	w->wd = inotify_add_watch (fs_fd, w->path,	4283	w->wd = inotify_add_watch (fs_fd, w->path,
3964	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4284	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3965	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4285	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4029	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4349	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4030	ev_timer_again (EV_A_ &w->timer);	4350	ev_timer_again (EV_A_ &w->timer);
4031	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4351	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4032	}	4352	}
4033		4353
4034	static void noinline	4354	noinline
		4355	static void
4035	infy_del (EV_P_ ev_stat *w)	4356	infy_del (EV_P_ ev_stat *w)
4036	{	4357	{
4037	int slot;	4358	int slot;
4038	int wd = w->wd;	4359	int wd = w->wd;
4039		4360
…		…
4046		4367
4047	/* remove this watcher, if others are watching it, they will rearm */	4368	/* remove this watcher, if others are watching it, they will rearm */
4048	inotify_rm_watch (fs_fd, wd);	4369	inotify_rm_watch (fs_fd, wd);
4049	}	4370	}
4050		4371
4051	static void noinline	4372	noinline
		4373	static void
4052	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4374	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4053	{	4375	{
4054	if (slot < 0)	4376	if (slot < 0)
4055	/* overflow, need to check for all hash slots */	4377	/* overflow, need to check for all hash slots */
4056	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4378	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4092	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4414	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4093	ofs += sizeof (struct inotify_event) + ev->len;	4415	ofs += sizeof (struct inotify_event) + ev->len;
4094	}	4416	}
4095	}	4417	}
4096		4418
4097	inline_size void ecb_cold	4419	inline_size ecb_cold
		4420	void
4098	ev_check_2625 (EV_P)	4421	ev_check_2625 (EV_P)
4099	{	4422	{
4100	/* kernels < 2.6.25 are borked	4423	/* kernels < 2.6.25 are borked
4101	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4424	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4102	*/	4425	*/
…		…
4192	#else	4515	#else
4193	# define EV_LSTAT(p,b) lstat (p, b)	4516	# define EV_LSTAT(p,b) lstat (p, b)
4194	#endif	4517	#endif
4195		4518
4196	void	4519	void
4197	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4520	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4198	{	4521	{
4199	if (lstat (w->path, &w->attr) < 0)	4522	if (lstat (w->path, &w->attr) < 0)
4200	w->attr.st_nlink = 0;	4523	w->attr.st_nlink = 0;
4201	else if (!w->attr.st_nlink)	4524	else if (!w->attr.st_nlink)
4202	w->attr.st_nlink = 1;	4525	w->attr.st_nlink = 1;
4203	}	4526	}
4204		4527
4205	static void noinline	4528	noinline
		4529	static void
4206	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4530	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4207	{	4531	{
4208	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4532	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4209		4533
4210	ev_statdata prev = w->attr;	4534	ev_statdata prev = w->attr;
…		…
4241	ev_feed_event (EV_A_ w, EV_STAT);	4565	ev_feed_event (EV_A_ w, EV_STAT);
4242	}	4566	}
4243	}	4567	}
4244		4568
4245	void	4569	void
4246	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4570	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4247	{	4571	{
4248	if (expect_false (ev_is_active (w)))	4572	if (expect_false (ev_is_active (w)))
4249	return;	4573	return;
4250		4574
4251	ev_stat_stat (EV_A_ w);	4575	ev_stat_stat (EV_A_ w);
…		…
4272		4596
4273	EV_FREQUENT_CHECK;	4597	EV_FREQUENT_CHECK;
4274	}	4598	}
4275		4599
4276	void	4600	void
4277	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4601	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4278	{	4602	{
4279	clear_pending (EV_A_ (W)w);	4603	clear_pending (EV_A_ (W)w);
4280	if (expect_false (!ev_is_active (w)))	4604	if (expect_false (!ev_is_active (w)))
4281	return;	4605	return;
4282		4606
…		…
4298	}	4622	}
4299	#endif	4623	#endif
4300		4624
4301	#if EV_IDLE_ENABLE	4625	#if EV_IDLE_ENABLE
4302	void	4626	void
4303	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4627	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4304	{	4628	{
4305	if (expect_false (ev_is_active (w)))	4629	if (expect_false (ev_is_active (w)))
4306	return;	4630	return;
4307		4631
4308	pri_adjust (EV_A_ (W)w);	4632	pri_adjust (EV_A_ (W)w);
…		…
4313	int active = ++idlecnt [ABSPRI (w)];	4637	int active = ++idlecnt [ABSPRI (w)];
4314		4638
4315	++idleall;	4639	++idleall;
4316	ev_start (EV_A_ (W)w, active);	4640	ev_start (EV_A_ (W)w, active);
4317		4641
4318	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4642	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4319	idles [ABSPRI (w)][active - 1] = w;	4643	idles [ABSPRI (w)][active - 1] = w;
4320	}	4644	}
4321		4645
4322	EV_FREQUENT_CHECK;	4646	EV_FREQUENT_CHECK;
4323	}	4647	}
4324		4648
4325	void	4649	void
4326	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4650	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4327	{	4651	{
4328	clear_pending (EV_A_ (W)w);	4652	clear_pending (EV_A_ (W)w);
4329	if (expect_false (!ev_is_active (w)))	4653	if (expect_false (!ev_is_active (w)))
4330	return;	4654	return;
4331		4655
…		…
4345	}	4669	}
4346	#endif	4670	#endif
4347		4671
4348	#if EV_PREPARE_ENABLE	4672	#if EV_PREPARE_ENABLE
4349	void	4673	void
4350	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4674	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4351	{	4675	{
4352	if (expect_false (ev_is_active (w)))	4676	if (expect_false (ev_is_active (w)))
4353	return;	4677	return;
4354		4678
4355	EV_FREQUENT_CHECK;	4679	EV_FREQUENT_CHECK;
4356		4680
4357	ev_start (EV_A_ (W)w, ++preparecnt);	4681	ev_start (EV_A_ (W)w, ++preparecnt);
4358	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4682	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4359	prepares [preparecnt - 1] = w;	4683	prepares [preparecnt - 1] = w;
4360		4684
4361	EV_FREQUENT_CHECK;	4685	EV_FREQUENT_CHECK;
4362	}	4686	}
4363		4687
4364	void	4688	void
4365	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4689	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4366	{	4690	{
4367	clear_pending (EV_A_ (W)w);	4691	clear_pending (EV_A_ (W)w);
4368	if (expect_false (!ev_is_active (w)))	4692	if (expect_false (!ev_is_active (w)))
4369	return;	4693	return;
4370		4694
…		…
4383	}	4707	}
4384	#endif	4708	#endif
4385		4709
4386	#if EV_CHECK_ENABLE	4710	#if EV_CHECK_ENABLE
4387	void	4711	void
4388	ev_check_start (EV_P_ ev_check *w) EV_THROW	4712	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4389	{	4713	{
4390	if (expect_false (ev_is_active (w)))	4714	if (expect_false (ev_is_active (w)))
4391	return;	4715	return;
4392		4716
4393	EV_FREQUENT_CHECK;	4717	EV_FREQUENT_CHECK;
4394		4718
4395	ev_start (EV_A_ (W)w, ++checkcnt);	4719	ev_start (EV_A_ (W)w, ++checkcnt);
4396	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4720	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4397	checks [checkcnt - 1] = w;	4721	checks [checkcnt - 1] = w;
4398		4722
4399	EV_FREQUENT_CHECK;	4723	EV_FREQUENT_CHECK;
4400	}	4724	}
4401		4725
4402	void	4726	void
4403	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4727	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4404	{	4728	{
4405	clear_pending (EV_A_ (W)w);	4729	clear_pending (EV_A_ (W)w);
4406	if (expect_false (!ev_is_active (w)))	4730	if (expect_false (!ev_is_active (w)))
4407	return;	4731	return;
4408		4732
…		…
4420	EV_FREQUENT_CHECK;	4744	EV_FREQUENT_CHECK;
4421	}	4745	}
4422	#endif	4746	#endif
4423		4747
4424	#if EV_EMBED_ENABLE	4748	#if EV_EMBED_ENABLE
4425	void noinline	4749	noinline
		4750	void
4426	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4751	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4427	{	4752	{
4428	ev_run (w->other, EVRUN_NOWAIT);	4753	ev_run (w->other, EVRUN_NOWAIT);
4429	}	4754	}
4430		4755
4431	static void	4756	static void
…		…
4479	ev_idle_stop (EV_A_ idle);	4804	ev_idle_stop (EV_A_ idle);
4480	}	4805	}
4481	#endif	4806	#endif
4482		4807
4483	void	4808	void
4484	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4809	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4485	{	4810	{
4486	if (expect_false (ev_is_active (w)))	4811	if (expect_false (ev_is_active (w)))
4487	return;	4812	return;
4488		4813
4489	{	4814	{
…		…
4510		4835
4511	EV_FREQUENT_CHECK;	4836	EV_FREQUENT_CHECK;
4512	}	4837	}
4513		4838
4514	void	4839	void
4515	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4840	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4516	{	4841	{
4517	clear_pending (EV_A_ (W)w);	4842	clear_pending (EV_A_ (W)w);
4518	if (expect_false (!ev_is_active (w)))	4843	if (expect_false (!ev_is_active (w)))
4519	return;	4844	return;
4520		4845
…		…
4530	}	4855	}
4531	#endif	4856	#endif
4532		4857
4533	#if EV_FORK_ENABLE	4858	#if EV_FORK_ENABLE
4534	void	4859	void
4535	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4860	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4536	{	4861	{
4537	if (expect_false (ev_is_active (w)))	4862	if (expect_false (ev_is_active (w)))
4538	return;	4863	return;
4539		4864
4540	EV_FREQUENT_CHECK;	4865	EV_FREQUENT_CHECK;
4541		4866
4542	ev_start (EV_A_ (W)w, ++forkcnt);	4867	ev_start (EV_A_ (W)w, ++forkcnt);
4543	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4868	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4544	forks [forkcnt - 1] = w;	4869	forks [forkcnt - 1] = w;
4545		4870
4546	EV_FREQUENT_CHECK;	4871	EV_FREQUENT_CHECK;
4547	}	4872	}
4548		4873
4549	void	4874	void
4550	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4875	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4551	{	4876	{
4552	clear_pending (EV_A_ (W)w);	4877	clear_pending (EV_A_ (W)w);
4553	if (expect_false (!ev_is_active (w)))	4878	if (expect_false (!ev_is_active (w)))
4554	return;	4879	return;
4555		4880
…		…
4568	}	4893	}
4569	#endif	4894	#endif
4570		4895
4571	#if EV_CLEANUP_ENABLE	4896	#if EV_CLEANUP_ENABLE
4572	void	4897	void
4573	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4898	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4574	{	4899	{
4575	if (expect_false (ev_is_active (w)))	4900	if (expect_false (ev_is_active (w)))
4576	return;	4901	return;
4577		4902
4578	EV_FREQUENT_CHECK;	4903	EV_FREQUENT_CHECK;
4579		4904
4580	ev_start (EV_A_ (W)w, ++cleanupcnt);	4905	ev_start (EV_A_ (W)w, ++cleanupcnt);
4581	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	4906	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4582	cleanups [cleanupcnt - 1] = w;	4907	cleanups [cleanupcnt - 1] = w;
4583		4908
4584	/* cleanup watchers should never keep a refcount on the loop */	4909	/* cleanup watchers should never keep a refcount on the loop */
4585	ev_unref (EV_A);	4910	ev_unref (EV_A);
4586	EV_FREQUENT_CHECK;	4911	EV_FREQUENT_CHECK;
4587	}	4912	}
4588		4913
4589	void	4914	void
4590	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4915	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4591	{	4916	{
4592	clear_pending (EV_A_ (W)w);	4917	clear_pending (EV_A_ (W)w);
4593	if (expect_false (!ev_is_active (w)))	4918	if (expect_false (!ev_is_active (w)))
4594	return;	4919	return;
4595		4920
…		…
4609	}	4934	}
4610	#endif	4935	#endif
4611		4936
4612	#if EV_ASYNC_ENABLE	4937	#if EV_ASYNC_ENABLE
4613	void	4938	void
4614	ev_async_start (EV_P_ ev_async *w) EV_THROW	4939	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4615	{	4940	{
4616	if (expect_false (ev_is_active (w)))	4941	if (expect_false (ev_is_active (w)))
4617	return;	4942	return;
4618		4943
4619	w->sent = 0;	4944	w->sent = 0;
…		…
4621	evpipe_init (EV_A);	4946	evpipe_init (EV_A);
4622		4947
4623	EV_FREQUENT_CHECK;	4948	EV_FREQUENT_CHECK;
4624		4949
4625	ev_start (EV_A_ (W)w, ++asynccnt);	4950	ev_start (EV_A_ (W)w, ++asynccnt);
4626	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	4951	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4627	asyncs [asynccnt - 1] = w;	4952	asyncs [asynccnt - 1] = w;
4628		4953
4629	EV_FREQUENT_CHECK;	4954	EV_FREQUENT_CHECK;
4630	}	4955	}
4631		4956
4632	void	4957	void
4633	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4958	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4634	{	4959	{
4635	clear_pending (EV_A_ (W)w);	4960	clear_pending (EV_A_ (W)w);
4636	if (expect_false (!ev_is_active (w)))	4961	if (expect_false (!ev_is_active (w)))
4637	return;	4962	return;
4638		4963
…		…
4649		4974
4650	EV_FREQUENT_CHECK;	4975	EV_FREQUENT_CHECK;
4651	}	4976	}
4652		4977
4653	void	4978	void
4654	ev_async_send (EV_P_ ev_async *w) EV_THROW	4979	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4655	{	4980	{
4656	w->sent = 1;	4981	w->sent = 1;
4657	evpipe_write (EV_A_ &async_pending);	4982	evpipe_write (EV_A_ &async_pending);
4658	}	4983	}
4659	#endif	4984	#endif
…		…
4696		5021
4697	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5022	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4698	}	5023	}
4699		5024
4700	void	5025	void
4701	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5026	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4702	{	5027	{
4703	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5028	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4704
4705	if (expect_false (!once))
4706	{
4707	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4708	return;
4709	}
4710		5029
4711	once->cb = cb;	5030	once->cb = cb;
4712	once->arg = arg;	5031	once->arg = arg;
4713		5032
4714	ev_init (&once->io, once_cb_io);	5033	ev_init (&once->io, once_cb_io);
…		…
4727	}	5046	}
4728		5047
4729	/*****************************************************************************/	5048	/*****************************************************************************/
4730		5049
4731	#if EV_WALK_ENABLE	5050	#if EV_WALK_ENABLE
4732	void ecb_cold	5051	ecb_cold
		5052	void
4733	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5053	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4734	{	5054	{
4735	int i, j;	5055	int i, j;
4736	ev_watcher_list *wl, *wn;	5056	ev_watcher_list *wl, *wn;
4737		5057
4738	if (types & (EV_IO | EV_EMBED))	5058	if (types & (EV_IO | EV_EMBED))

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