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Comparing libev/ev.c (file contents):
Revision 1.463 by root, Thu Jan 16 11:51:05 2014 UTC vs.
Revision 1.491 by root, Thu Jun 20 23:14:53 2019 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
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
…		…
113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS	113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
114	# endif	114	# endif
115	# else	115	# else
116	# undef EV_USE_EPOLL	116	# undef EV_USE_EPOLL
117	# define EV_USE_EPOLL 0	117	# define EV_USE_EPOLL 0
		118	# endif
		119
		120	# if HAVE_LINUX_AIO_ABI_H
		121	# ifndef EV_USE_LINUXAIO
		122	# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS
		123	# endif
		124	# else
		125	# undef EV_USE_LINUXAIO
		126	# define EV_USE_LINUXAIO 0
118	# endif	127	# endif
119		128
120	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	129	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121	# ifndef EV_USE_KQUEUE	130	# ifndef EV_USE_KQUEUE
122	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS	131	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
…		…
162	# define EV_USE_EVENTFD 0	171	# define EV_USE_EVENTFD 0
163	# endif	172	# endif
164		173
165	#endif	174	#endif
166		175
		176	/* OS X, in its infinite idiocy, actually HARDCODES
		177	* a limit of 1024 into their select. Where people have brains,
		178	* OS X engineers apparently have a vacuum. Or maybe they were
		179	* ordered to have a vacuum, or they do anything for money.
		180	* This might help. Or not.
		181	* Note that this must be defined early, as other include files
		182	* will rely on this define as well.
		183	*/
		184	#define _DARWIN_UNLIMITED_SELECT 1
		185
167	#include <stdlib.h>	186	#include <stdlib.h>
168	#include <string.h>	187	#include <string.h>
169	#include <fcntl.h>	188	#include <fcntl.h>
170	#include <stddef.h>	189	#include <stddef.h>
171		190
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	227	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	228	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	229	# endif
211	# undef EV_AVOID_STDIO	230	# undef EV_AVOID_STDIO
212	#endif	231	#endif
213
214	/* OS X, in its infinite idiocy, actually HARDCODES
215	* a limit of 1024 into their select. Where people have brains,
216	* OS X engineers apparently have a vacuum. Or maybe they were
217	* ordered to have a vacuum, or they do anything for money.
218	* This might help. Or not.
219	*/
220	#define _DARWIN_UNLIMITED_SELECT 1
221		232
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	233	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		234
224	/* try to deduce the maximum number of signals on this platform */	235	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	236	#if defined EV_NSIG
…		…
256	# else	267	# else
257	# define EV_USE_CLOCK_SYSCALL 0	268	# define EV_USE_CLOCK_SYSCALL 0
258	# endif	269	# endif
259	#endif	270	#endif
260		271
		272	#if !(_POSIX_TIMERS > 0)
		273	# ifndef EV_USE_MONOTONIC
		274	# define EV_USE_MONOTONIC 0
		275	# endif
		276	# ifndef EV_USE_REALTIME
		277	# define EV_USE_REALTIME 0
		278	# endif
		279	#endif
		280
261	#ifndef EV_USE_MONOTONIC	281	#ifndef EV_USE_MONOTONIC
262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	282	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
263	# define EV_USE_MONOTONIC EV_FEATURE_OS	283	# define EV_USE_MONOTONIC EV_FEATURE_OS
264	# else	284	# else
265	# define EV_USE_MONOTONIC 0	285	# define EV_USE_MONOTONIC 0
…		…
304		324
305	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
306	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
307	#endif	327	#endif
308		328
		329	#ifndef EV_USE_LINUXAIO
		330	# define EV_USE_LINUXAIO 0
		331	#endif
		332
309	#ifndef EV_USE_INOTIFY	333	#ifndef EV_USE_INOTIFY
310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	334	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
311	# define EV_USE_INOTIFY EV_FEATURE_OS	335	# define EV_USE_INOTIFY EV_FEATURE_OS
312	# else	336	# else
313	# define EV_USE_INOTIFY 0	337	# define EV_USE_INOTIFY 0
…		…
354		378
355	#ifndef EV_HEAP_CACHE_AT	379	#ifndef EV_HEAP_CACHE_AT
356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	380	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
357	#endif	381	#endif
358		382
359	#ifdef ANDROID	383	#ifdef __ANDROID__
360	/* supposedly, android doesn't typedef fd_mask */	384	/* supposedly, android doesn't typedef fd_mask */
361	# undef EV_USE_SELECT	385	# undef EV_USE_SELECT
362	# define EV_USE_SELECT 0	386	# define EV_USE_SELECT 0
363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	387	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
364	# undef EV_USE_CLOCK_SYSCALL	388	# undef EV_USE_CLOCK_SYSCALL
…		…
368	/* aix's poll.h seems to cause lots of trouble */	392	/* aix's poll.h seems to cause lots of trouble */
369	#ifdef _AIX	393	#ifdef _AIX
370	/* AIX has a completely broken poll.h header */	394	/* AIX has a completely broken poll.h header */
371	# undef EV_USE_POLL	395	# undef EV_USE_POLL
372	# define EV_USE_POLL 0	396	# define EV_USE_POLL 0
		397	#endif
		398
		399	#if EV_USE_LINUXAIO
		400	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
373	#endif	401	#endif
374		402
375	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	403	/* 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. */	404	/* which makes programs even slower. might work on other unices, too. */
377	#if EV_USE_CLOCK_SYSCALL	405	#if EV_USE_CLOCK_SYSCALL
…		…
405		433
406	#if !EV_USE_NANOSLEEP	434	#if !EV_USE_NANOSLEEP
407	/* hp-ux has it in sys/time.h, which we unconditionally include above */	435	/* hp-ux has it in sys/time.h, which we unconditionally include above */
408	# if !defined _WIN32 && !defined __hpux	436	# if !defined _WIN32 && !defined __hpux
409	# include <sys/select.h>	437	# include <sys/select.h>
		438	# endif
		439	#endif
		440
		441	#if EV_USE_LINUXAIO
		442	# include <sys/syscall.h>
		443	# if !SYS_io_getevents
		444	# undef EV_USE_LINUXAIO
		445	# define EV_USE_LINUXAIO 0
410	# endif	446	# endif
411	#endif	447	#endif
412		448
413	#if EV_USE_INOTIFY	449	#if EV_USE_INOTIFY
414	# include <sys/statfs.h>	450	# include <sys/statfs.h>
…		…
482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	518	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
483	/* ECB.H BEGIN */	519	/* ECB.H BEGIN */
484	/*	520	/*
485	* libecb - http://software.schmorp.de/pkg/libecb	521	* libecb - http://software.schmorp.de/pkg/libecb
486	*	522	*
487	* Copyright (©) 2009-2013 Marc Alexander Lehmann <libecb@schmorp.de>	523	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488	* Copyright (©) 2011 Emanuele Giaquinta	524	* Copyright (©) 2011 Emanuele Giaquinta
489	* All rights reserved.	525	* All rights reserved.
490	*	526	*
491	* Redistribution and use in source and binary forms, with or without modifica-	527	* Redistribution and use in source and binary forms, with or without modifica-
492	* tion, are permitted provided that the following conditions are met:	528	* tion, are permitted provided that the following conditions are met:
…		…
506	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	542	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
507	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	543	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
508	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	544	* 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	545	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
510	* OF THE POSSIBILITY OF SUCH DAMAGE.	546	* OF THE POSSIBILITY OF SUCH DAMAGE.
		547	*
		548	* Alternatively, the contents of this file may be used under the terms of
		549	* the GNU General Public License ("GPL") version 2 or any later version,
		550	* in which case the provisions of the GPL are applicable instead of
		551	* the above. If you wish to allow the use of your version of this file
		552	* only under the terms of the GPL and not to allow others to use your
		553	* version of this file under the BSD license, indicate your decision
		554	* by deleting the provisions above and replace them with the notice
		555	* and other provisions required by the GPL. If you do not delete the
		556	* provisions above, a recipient may use your version of this file under
		557	* either the BSD or the GPL.
511	*/	558	*/
512		559
513	#ifndef ECB_H	560	#ifndef ECB_H
514	#define ECB_H	561	#define ECB_H
515		562
516	/* 16 bits major, 16 bits minor */	563	/* 16 bits major, 16 bits minor */
517	#define ECB_VERSION 0x00010003	564	#define ECB_VERSION 0x00010005
518		565
519	#ifdef _WIN32	566	#ifdef _WIN32
520	typedef signed char int8_t;	567	typedef signed char int8_t;
521	typedef unsigned char uint8_t;	568	typedef unsigned char uint8_t;
522	typedef signed short int16_t;	569	typedef signed short int16_t;
…		…
539	typedef uint32_t uintptr_t;	586	typedef uint32_t uintptr_t;
540	typedef int32_t intptr_t;	587	typedef int32_t intptr_t;
541	#endif	588	#endif
542	#else	589	#else
543	#include <inttypes.h>	590	#include <inttypes.h>
544	#if UINTMAX_MAX > 0xffffffffU	591	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
545	#define ECB_PTRSIZE 8	592	#define ECB_PTRSIZE 8
546	#else	593	#else
547	#define ECB_PTRSIZE 4	594	#define ECB_PTRSIZE 4
548	#endif	595	#endif
549	#endif	596	#endif
550		597
		598	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		599	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		600
551	/* work around x32 idiocy by defining proper macros */	601	/* work around x32 idiocy by defining proper macros */
552	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	602	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
553	#if _ILP32	603	#if _ILP32
554	#define ECB_AMD64_X32 1	604	#define ECB_AMD64_X32 1
555	#else	605	#else
556	#define ECB_AMD64 1	606	#define ECB_AMD64 1
557	#endif	607	#endif
…		…
562	* causing enormous grief in return for some better fake benchmark numbers.	612	* causing enormous grief in return for some better fake benchmark numbers.
563	* or so.	613	* or so.
564	* we try to detect these and simply assume they are not gcc - if they have	614	* we try to detect these and simply assume they are not gcc - if they have
565	* an issue with that they should have done it right in the first place.	615	* an issue with that they should have done it right in the first place.
566	*/	616	*/
567	#ifndef ECB_GCC_VERSION
568	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	617	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
569	#define ECB_GCC_VERSION(major,minor) 0	618	#define ECB_GCC_VERSION(major,minor) 0
570	#else	619	#else
571	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	620	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
572	#endif	621	#endif
573	#endif
574		622
575	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */	623	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
576	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	624
577	#define ECB_C11 (__STDC_VERSION__ >= 201112L)	625	#if __clang__ && defined __has_builtin
		626	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		627	#else
		628	#define ECB_CLANG_BUILTIN(x) 0
		629	#endif
		630
		631	#if __clang__ && defined __has_extension
		632	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		633	#else
		634	#define ECB_CLANG_EXTENSION(x) 0
		635	#endif
		636
578	#define ECB_CPP (__cplusplus+0)	637	#define ECB_CPP (__cplusplus+0)
579	#define ECB_CPP11 (__cplusplus >= 201103L)	638	#define ECB_CPP11 (__cplusplus >= 201103L)
		639	#define ECB_CPP14 (__cplusplus >= 201402L)
		640	#define ECB_CPP17 (__cplusplus >= 201703L)
		641
		642	#if ECB_CPP
		643	#define ECB_C 0
		644	#define ECB_STDC_VERSION 0
		645	#else
		646	#define ECB_C 1
		647	#define ECB_STDC_VERSION __STDC_VERSION__
		648	#endif
		649
		650	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		651	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		652	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
580		653
581	#if ECB_CPP	654	#if ECB_CPP
582	#define ECB_EXTERN_C extern "C"	655	#define ECB_EXTERN_C extern "C"
583	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	656	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
584	#define ECB_EXTERN_C_END }	657	#define ECB_EXTERN_C_END }
…		…
597	#define ECB_NO_SMP 1	670	#define ECB_NO_SMP 1
598	#endif	671	#endif
599		672
600	#if ECB_NO_SMP	673	#if ECB_NO_SMP
601	#define ECB_MEMORY_FENCE do { } while (0)	674	#define ECB_MEMORY_FENCE do { } while (0)
		675	#endif
		676
		677	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		678	#if __xlC__ && ECB_CPP
		679	#include <builtins.h>
		680	#endif
		681
		682	#if 1400 <= _MSC_VER
		683	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
602	#endif	684	#endif
603		685
604	#ifndef ECB_MEMORY_FENCE	686	#ifndef ECB_MEMORY_FENCE
605	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	687	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
606	#if __i386 || __i386__	688	#if __i386 || __i386__
607	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	689	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	690	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	691	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
610	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	692	#elif ECB_GCC_AMD64
611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	693	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
612	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	694	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
613	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	695	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
614	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	696	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	697	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		698	#elif defined __ARM_ARCH_2__ \
		699	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		700	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		701	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		702	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		703	|| defined __ARM_ARCH_5TEJ__
		704	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
616	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	705	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
617	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	706	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		707	|| defined __ARM_ARCH_6T2__
618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	708	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
619	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	709	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
620	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	710	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	711	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		712	#elif __aarch64__
		713	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
622	#elif (__sparc || __sparc__) && !__sparcv8	714	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	715	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
624	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	716	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
625	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	717	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
626	#elif defined __s390__ || defined __s390x__	718	#elif defined __s390__ || defined __s390x__
627	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	719	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
648		740
649	#ifndef ECB_MEMORY_FENCE	741	#ifndef ECB_MEMORY_FENCE
650	#if ECB_GCC_VERSION(4,7)	742	#if ECB_GCC_VERSION(4,7)
651	/* see comment below (stdatomic.h) about the C11 memory model. */	743	/* see comment below (stdatomic.h) about the C11 memory model. */
652	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	744	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		745	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		746	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
653		747
654	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	748	#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.	749	/* see comment below (stdatomic.h) about the C11 memory model. */
660	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	750	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
661	*/	751	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		752	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
662		753
663	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	754	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
664	#define ECB_MEMORY_FENCE __sync_synchronize ()	755	#define ECB_MEMORY_FENCE __sync_synchronize ()
665	#elif _MSC_VER >= 1500 /* VC++ 2008 */	756	#elif _MSC_VER >= 1500 /* VC++ 2008 */
666	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	757	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
695	/* any fence other than seq_cst, which isn't very efficient for us. */	786	/* 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 */	787	/* 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 */	788	/* for most usages, or gcc and clang have a bug */
698	/* I *currently* lean towards the latter, and inefficiently implement */	789	/* I *currently* lean towards the latter, and inefficiently implement */
699	/* all three of ecb's fences as a seq_cst fence */	790	/* all three of ecb's fences as a seq_cst fence */
		791	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		792	/* for all __atomic_thread_fence's except seq_cst */
700	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	793	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
701	#endif	794	#endif
702	#endif	795	#endif
703		796
704	#ifndef ECB_MEMORY_FENCE	797	#ifndef ECB_MEMORY_FENCE
…		…
727	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	820	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
728	#endif	821	#endif
729		822
730	/*****************************************************************************/	823	/*****************************************************************************/
731		824
732	#if __cplusplus	825	#if ECB_CPP
733	#define ecb_inline static inline	826	#define ecb_inline static inline
734	#elif ECB_GCC_VERSION(2,5)	827	#elif ECB_GCC_VERSION(2,5)
735	#define ecb_inline static __inline__	828	#define ecb_inline static __inline__
736	#elif ECB_C99	829	#elif ECB_C99
737	#define ecb_inline static inline	830	#define ecb_inline static inline
…		…
751		844
752	#define ECB_CONCAT_(a, b) a ## b	845	#define ECB_CONCAT_(a, b) a ## b
753	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	846	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
754	#define ECB_STRINGIFY_(a) # a	847	#define ECB_STRINGIFY_(a) # a
755	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	848	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		849	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
756		850
757	#define ecb_function_ ecb_inline	851	#define ecb_function_ ecb_inline
758		852
759	#if ECB_GCC_VERSION(3,1)	853	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
760	#define ecb_attribute(attrlist) __attribute__(attrlist)	854	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		855	#else
		856	#define ecb_attribute(attrlist)
		857	#endif
		858
		859	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
761	#define ecb_is_constant(expr) __builtin_constant_p (expr)	860	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		861	#else
		862	/* possible C11 impl for integral types
		863	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		864	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		865
		866	#define ecb_is_constant(expr) 0
		867	#endif
		868
		869	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
762	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	870	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		871	#else
		872	#define ecb_expect(expr,value) (expr)
		873	#endif
		874
		875	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
763	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	876	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
764	#else	877	#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)	878	#define ecb_prefetch(addr,rw,locality)
769	#endif	879	#endif
770		880
771	/* no emulation for ecb_decltype */	881	/* no emulation for ecb_decltype */
772	#if ECB_GCC_VERSION(4,5)	882	#if ECB_CPP11
		883	// older implementations might have problems with decltype(x)::type, work around it
		884	template<class T> struct ecb_decltype_t { typedef T type; };
773	#define ecb_decltype(x) __decltype(x)	885	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
774	#elif ECB_GCC_VERSION(3,0)	886	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
775	#define ecb_decltype(x) __typeof(x)	887	#define ecb_decltype(x) __typeof__ (x)
776	#endif	888	#endif
777		889
		890	#if _MSC_VER >= 1300
		891	#define ecb_deprecated __declspec (deprecated)
		892	#else
		893	#define ecb_deprecated ecb_attribute ((__deprecated__))
		894	#endif
		895
		896	#if _MSC_VER >= 1500
		897	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		898	#elif ECB_GCC_VERSION(4,5)
		899	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		900	#else
		901	#define ecb_deprecated_message(msg) ecb_deprecated
		902	#endif
		903
		904	#if _MSC_VER >= 1400
		905	#define ecb_noinline __declspec (noinline)
		906	#else
778	#define ecb_noinline ecb_attribute ((__noinline__))	907	#define ecb_noinline ecb_attribute ((__noinline__))
		908	#endif
		909
779	#define ecb_unused ecb_attribute ((__unused__))	910	#define ecb_unused ecb_attribute ((__unused__))
780	#define ecb_const ecb_attribute ((__const__))	911	#define ecb_const ecb_attribute ((__const__))
781	#define ecb_pure ecb_attribute ((__pure__))	912	#define ecb_pure ecb_attribute ((__pure__))
782		913
783	#if ECB_C11	914	#if ECB_C11 || __IBMC_NORETURN
		915	/* 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	916	#define ecb_noreturn _Noreturn
		917	#elif ECB_CPP11
		918	#define ecb_noreturn [[noreturn]]
		919	#elif _MSC_VER >= 1200
		920	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		921	#define ecb_noreturn __declspec (noreturn)
785	#else	922	#else
786	#define ecb_noreturn ecb_attribute ((__noreturn__))	923	#define ecb_noreturn ecb_attribute ((__noreturn__))
787	#endif	924	#endif
788		925
789	#if ECB_GCC_VERSION(4,3)	926	#if ECB_GCC_VERSION(4,3)
…		…
804	/* for compatibility to the rest of the world */	941	/* for compatibility to the rest of the world */
805	#define ecb_likely(expr) ecb_expect_true (expr)	942	#define ecb_likely(expr) ecb_expect_true (expr)
806	#define ecb_unlikely(expr) ecb_expect_false (expr)	943	#define ecb_unlikely(expr) ecb_expect_false (expr)
807		944
808	/* count trailing zero bits and count # of one bits */	945	/* count trailing zero bits and count # of one bits */
809	#if ECB_GCC_VERSION(3,4)	946	#if ECB_GCC_VERSION(3,4) \
		947	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		948	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		949	&& ECB_CLANG_BUILTIN(__builtin_popcount))
810	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	950	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
811	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	951	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
812	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	952	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
813	#define ecb_ctz32(x) __builtin_ctz (x)	953	#define ecb_ctz32(x) __builtin_ctz (x)
814	#define ecb_ctz64(x) __builtin_ctzll (x)	954	#define ecb_ctz64(x) __builtin_ctzll (x)
815	#define ecb_popcount32(x) __builtin_popcount (x)	955	#define ecb_popcount32(x) __builtin_popcount (x)
816	/* no popcountll */	956	/* no popcountll */
817	#else	957	#else
818	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	958	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
819	ecb_function_ int	959	ecb_function_ ecb_const int
820	ecb_ctz32 (uint32_t x)	960	ecb_ctz32 (uint32_t x)
821	{	961	{
		962	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		963	unsigned long r;
		964	_BitScanForward (&r, x);
		965	return (int)r;
		966	#else
822	int r = 0;	967	int r = 0;
823		968
824	x &= ~x + 1; /* this isolates the lowest bit */	969	x &= ~x + 1; /* this isolates the lowest bit */
825		970
826	#if ECB_branchless_on_i386	971	#if ECB_branchless_on_i386
…		…
836	if (x & 0xff00ff00) r += 8;	981	if (x & 0xff00ff00) r += 8;
837	if (x & 0xffff0000) r += 16;	982	if (x & 0xffff0000) r += 16;
838	#endif	983	#endif
839		984
840	return r;	985	return r;
		986	#endif
841	}	987	}
842		988
843	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	989	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
844	ecb_function_ int	990	ecb_function_ ecb_const int
845	ecb_ctz64 (uint64_t x)	991	ecb_ctz64 (uint64_t x)
846	{	992	{
		993	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		994	unsigned long r;
		995	_BitScanForward64 (&r, x);
		996	return (int)r;
		997	#else
847	int shift = x & 0xffffffffU ? 0 : 32;	998	int shift = x & 0xffffffff ? 0 : 32;
848	return ecb_ctz32 (x >> shift) + shift;	999	return ecb_ctz32 (x >> shift) + shift;
		1000	#endif
849	}	1001	}
850		1002
851	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1003	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
852	ecb_function_ int	1004	ecb_function_ ecb_const int
853	ecb_popcount32 (uint32_t x)	1005	ecb_popcount32 (uint32_t x)
854	{	1006	{
855	x -= (x >> 1) & 0x55555555;	1007	x -= (x >> 1) & 0x55555555;
856	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1008	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
857	x = ((x >> 4) + x) & 0x0f0f0f0f;	1009	x = ((x >> 4) + x) & 0x0f0f0f0f;
858	x *= 0x01010101;	1010	x *= 0x01010101;
859		1011
860	return x >> 24;	1012	return x >> 24;
861	}	1013	}
862		1014
863	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1015	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
864	ecb_function_ int ecb_ld32 (uint32_t x)	1016	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
865	{	1017	{
		1018	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1019	unsigned long r;
		1020	_BitScanReverse (&r, x);
		1021	return (int)r;
		1022	#else
866	int r = 0;	1023	int r = 0;
867		1024
868	if (x >> 16) { x >>= 16; r += 16; }	1025	if (x >> 16) { x >>= 16; r += 16; }
869	if (x >> 8) { x >>= 8; r += 8; }	1026	if (x >> 8) { x >>= 8; r += 8; }
870	if (x >> 4) { x >>= 4; r += 4; }	1027	if (x >> 4) { x >>= 4; r += 4; }
871	if (x >> 2) { x >>= 2; r += 2; }	1028	if (x >> 2) { x >>= 2; r += 2; }
872	if (x >> 1) { r += 1; }	1029	if (x >> 1) { r += 1; }
873		1030
874	return r;	1031	return r;
		1032	#endif
875	}	1033	}
876		1034
877	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1035	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
878	ecb_function_ int ecb_ld64 (uint64_t x)	1036	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
879	{	1037	{
		1038	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1039	unsigned long r;
		1040	_BitScanReverse64 (&r, x);
		1041	return (int)r;
		1042	#else
880	int r = 0;	1043	int r = 0;
881		1044
882	if (x >> 32) { x >>= 32; r += 32; }	1045	if (x >> 32) { x >>= 32; r += 32; }
883		1046
884	return r + ecb_ld32 (x);	1047	return r + ecb_ld32 (x);
		1048	#endif
885	}	1049	}
886	#endif	1050	#endif
887		1051
888	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1052	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
889	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1053	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
890	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1054	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
891	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1055	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
892		1056
893	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1057	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
894	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1058	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
895	{	1059	{
896	return ( (x * 0x0802U & 0x22110U)	1060	return ( (x * 0x0802U & 0x22110U)
897	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1061	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
898	}	1062	}
899		1063
900	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1064	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
901	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1065	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
902	{	1066	{
903	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1067	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
904	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1068	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
905	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1069	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
906	x = ( x >> 8 ) | ( x << 8);	1070	x = ( x >> 8 ) | ( x << 8);
907		1071
908	return x;	1072	return x;
909	}	1073	}
910		1074
911	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1075	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
912	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1076	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
913	{	1077	{
914	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1078	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
915	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1079	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
916	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1080	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
917	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1081	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
920	return x;	1084	return x;
921	}	1085	}
922		1086
923	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1087	/* popcount64 is only available on 64 bit cpus as gcc builtin */
924	/* so for this version we are lazy */	1088	/* so for this version we are lazy */
925	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1089	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
926	ecb_function_ int	1090	ecb_function_ ecb_const int
927	ecb_popcount64 (uint64_t x)	1091	ecb_popcount64 (uint64_t x)
928	{	1092	{
929	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1093	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
930	}	1094	}
931		1095
932	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1096	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
933	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1097	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
934	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1098	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
935	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1099	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
936	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1100	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
937	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1101	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
938	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1102	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
939	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1103	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
940		1104
941	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1105	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
942	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1106	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
943	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1107	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
944	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1108	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
945	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1109	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
946	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1110	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
947	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1111	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
948	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1112	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
949		1113
950	#if ECB_GCC_VERSION(4,3)	1114	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1115	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1116	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1117	#else
951	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1118	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1119	#endif
952	#define ecb_bswap32(x) __builtin_bswap32 (x)	1120	#define ecb_bswap32(x) __builtin_bswap32 (x)
953	#define ecb_bswap64(x) __builtin_bswap64 (x)	1121	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1122	#elif _MSC_VER
		1123	#include <stdlib.h>
		1124	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1125	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1126	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
954	#else	1127	#else
955	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1128	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
956	ecb_function_ uint16_t	1129	ecb_function_ ecb_const uint16_t
957	ecb_bswap16 (uint16_t x)	1130	ecb_bswap16 (uint16_t x)
958	{	1131	{
959	return ecb_rotl16 (x, 8);	1132	return ecb_rotl16 (x, 8);
960	}	1133	}
961		1134
962	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1135	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
963	ecb_function_ uint32_t	1136	ecb_function_ ecb_const uint32_t
964	ecb_bswap32 (uint32_t x)	1137	ecb_bswap32 (uint32_t x)
965	{	1138	{
966	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1139	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
967	}	1140	}
968		1141
969	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1142	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
970	ecb_function_ uint64_t	1143	ecb_function_ ecb_const uint64_t
971	ecb_bswap64 (uint64_t x)	1144	ecb_bswap64 (uint64_t x)
972	{	1145	{
973	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1146	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
974	}	1147	}
975	#endif	1148	#endif
976		1149
977	#if ECB_GCC_VERSION(4,5)	1150	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
978	#define ecb_unreachable() __builtin_unreachable ()	1151	#define ecb_unreachable() __builtin_unreachable ()
979	#else	1152	#else
980	/* this seems to work fine, but gcc always emits a warning for it :/ */	1153	/* this seems to work fine, but gcc always emits a warning for it :/ */
981	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1154	ecb_inline ecb_noreturn void ecb_unreachable (void);
982	ecb_inline void ecb_unreachable (void) { }	1155	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
983	#endif	1156	#endif
984		1157
985	/* try to tell the compiler that some condition is definitely true */	1158	/* try to tell the compiler that some condition is definitely true */
986	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1159	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
987		1160
988	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1161	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
989	ecb_inline unsigned char	1162	ecb_inline ecb_const uint32_t
990	ecb_byteorder_helper (void)	1163	ecb_byteorder_helper (void)
991	{	1164	{
992	/* the union code still generates code under pressure in gcc, */	1165	/* the union code still generates code under pressure in gcc, */
993	/* but less than using pointers, and always seems to */	1166	/* but less than using pointers, and always seems to */
994	/* successfully return a constant. */	1167	/* successfully return a constant. */
995	/* the reason why we have this horrible preprocessor mess */	1168	/* the reason why we have this horrible preprocessor mess */
996	/* is to avoid it in all cases, at least on common architectures */	1169	/* is to avoid it in all cases, at least on common architectures */
997	/* or when using a recent enough gcc version (>= 4.6) */	1170	/* 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__	1171	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1172	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1173	#define ECB_LITTLE_ENDIAN 1
1001	return 0x44;	1174	return 0x44332211;
1002	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1175	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1176	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1177	#define ECB_BIG_ENDIAN 1
1003	return 0x11;	1178	return 0x11223344;
1004	#else	1179	#else
1005	union	1180	union
1006	{	1181	{
		1182	uint8_t c[4];
1007	uint32_t i;	1183	uint32_t u;
1008	uint8_t c;
1009	} u = { 0x11223344 };	1184	} u = { 0x11, 0x22, 0x33, 0x44 };
1010	return u.c;	1185	return u.u;
1011	#endif	1186	#endif
1012	}	1187	}
1013		1188
1014	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1189	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1015	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1190	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1016	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1191	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1017	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1192	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1018		1193
1019	#if ECB_GCC_VERSION(3,0) || ECB_C99	1194	#if ECB_GCC_VERSION(3,0) || ECB_C99
1020	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1195	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1021	#else	1196	#else
1022	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1197	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1023	#endif	1198	#endif
1024		1199
1025	#if __cplusplus	1200	#if ECB_CPP
1026	template<typename T>	1201	template<typename T>
1027	static inline T ecb_div_rd (T val, T div)	1202	static inline T ecb_div_rd (T val, T div)
1028	{	1203	{
1029	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1204	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1030	}	1205	}
…		…
1047	}	1222	}
1048	#else	1223	#else
1049	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1224	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1050	#endif	1225	#endif
1051		1226
		1227	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1228	ecb_function_ ecb_const uint32_t
		1229	ecb_binary16_to_binary32 (uint32_t x)
		1230	{
		1231	unsigned int s = (x & 0x8000) << (31 - 15);
		1232	int e = (x >> 10) & 0x001f;
		1233	unsigned int m = x & 0x03ff;
		1234
		1235	if (ecb_expect_false (e == 31))
		1236	/* infinity or NaN */
		1237	e = 255 - (127 - 15);
		1238	else if (ecb_expect_false (!e))
		1239	{
		1240	if (ecb_expect_true (!m))
		1241	/* zero, handled by code below by forcing e to 0 */
		1242	e = 0 - (127 - 15);
		1243	else
		1244	{
		1245	/* subnormal, renormalise */
		1246	unsigned int s = 10 - ecb_ld32 (m);
		1247
		1248	m = (m << s) & 0x3ff; /* mask implicit bit */
		1249	e -= s - 1;
		1250	}
		1251	}
		1252
		1253	/* e and m now are normalised, or zero, (or inf or nan) */
		1254	e += 127 - 15;
		1255
		1256	return s | (e << 23) | (m << (23 - 10));
		1257	}
		1258
		1259	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1260	ecb_function_ ecb_const uint16_t
		1261	ecb_binary32_to_binary16 (uint32_t x)
		1262	{
		1263	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1264	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1265	unsigned int m = x & 0x007fffff;
		1266
		1267	x &= 0x7fffffff;
		1268
		1269	/* if it's within range of binary16 normals, use fast path */
		1270	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1271	{
		1272	/* mantissa round-to-even */
		1273	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1274
		1275	/* handle overflow */
		1276	if (ecb_expect_false (m >= 0x00800000))
		1277	{
		1278	m >>= 1;
		1279	e += 1;
		1280	}
		1281
		1282	return s | (e << 10) | (m >> (23 - 10));
		1283	}
		1284
		1285	/* handle large numbers and infinity */
		1286	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1287	return s | 0x7c00;
		1288
		1289	/* handle zero, subnormals and small numbers */
		1290	if (ecb_expect_true (x < 0x38800000))
		1291	{
		1292	/* zero */
		1293	if (ecb_expect_true (!x))
		1294	return s;
		1295
		1296	/* handle subnormals */
		1297
		1298	/* too small, will be zero */
		1299	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1300	return s;
		1301
		1302	m |= 0x00800000; /* make implicit bit explicit */
		1303
		1304	/* very tricky - we need to round to the nearest e (+10) bit value */
		1305	{
		1306	unsigned int bits = 14 - e;
		1307	unsigned int half = (1 << (bits - 1)) - 1;
		1308	unsigned int even = (m >> bits) & 1;
		1309
		1310	/* if this overflows, we will end up with a normalised number */
		1311	m = (m + half + even) >> bits;
		1312	}
		1313
		1314	return s | m;
		1315	}
		1316
		1317	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1318	m >>= 13;
		1319
		1320	return s | 0x7c00 | m | !m;
		1321	}
		1322
1052	/*******************************************************************************/	1323	/*******************************************************************************/
1053	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1324	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1054		1325
1055	/* basically, everything uses "ieee pure-endian" floating point numbers */	1326	/* basically, everything uses "ieee pure-endian" floating point numbers */
1056	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1327	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1057	#if 0 \	1328	#if 0 \
1058	|| __i386 || __i386__ \	1329	|| __i386 || __i386__ \
1059	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1330	|| ECB_GCC_AMD64 \
1060	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1331	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1061	|| defined __arm__ && defined __ARM_EABI__ \
1062	|| defined __s390__ || defined __s390x__ \	1332	|| defined __s390__ || defined __s390x__ \
1063	|| defined __mips__ \	1333	|| defined __mips__ \
1064	|| defined __alpha__ \	1334	|| defined __alpha__ \
1065	|| defined __hppa__ \	1335	|| defined __hppa__ \
1066	|| defined __ia64__ \	1336	|| defined __ia64__ \
1067	|| defined __m68k__ \	1337	|| defined __m68k__ \
1068	|| defined __m88k__ \	1338	|| defined __m88k__ \
1069	|| defined __sh__ \	1339	|| defined __sh__ \
1070	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64	1340	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1341	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1342	|| defined __aarch64__
1071	#define ECB_STDFP 1	1343	#define ECB_STDFP 1
1072	#include <string.h> /* for memcpy */	1344	#include <string.h> /* for memcpy */
1073	#else	1345	#else
1074	#define ECB_STDFP 0	1346	#define ECB_STDFP 0
1075	#endif	1347	#endif
…		…
1089	#define ECB_NAN NAN	1361	#define ECB_NAN NAN
1090	#else	1362	#else
1091	#define ECB_NAN ECB_INFINITY	1363	#define ECB_NAN ECB_INFINITY
1092	#endif	1364	#endif
1093		1365
1094	/* converts an ieee half/binary16 to a float */	1366	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1095	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1367	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1096	ecb_function_ float	1368	#define ecb_frexpf(x,e) frexpf ((x), (e))
1097	ecb_binary16_to_float (uint16_t x)	1369	#else
1098	{	1370	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1099	int e = (x >> 10) & 0x1f;	1371	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1100	int m = x & 0x3ff;	1372	#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		1373
1111	/* convert a float to ieee single/binary32 */	1374	/* convert a float to ieee single/binary32 */
1112	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1375	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1113	ecb_function_ uint32_t	1376	ecb_function_ ecb_const uint32_t
1114	ecb_float_to_binary32 (float x)	1377	ecb_float_to_binary32 (float x)
1115	{	1378	{
1116	uint32_t r;	1379	uint32_t r;
1117		1380
1118	#if ECB_STDFP	1381	#if ECB_STDFP
…		…
1125	if (x == 0e0f ) return 0x00000000U;	1388	if (x == 0e0f ) return 0x00000000U;
1126	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1389	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1127	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1390	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1128	if (x != x ) return 0x7fbfffffU;	1391	if (x != x ) return 0x7fbfffffU;
1129		1392
1130	m = frexpf (x, &e) * 0x1000000U;	1393	m = ecb_frexpf (x, &e) * 0x1000000U;
1131		1394
1132	r = m & 0x80000000U;	1395	r = m & 0x80000000U;
1133		1396
1134	if (r)	1397	if (r)
1135	m = -m;	1398	m = -m;
…		…
1147		1410
1148	return r;	1411	return r;
1149	}	1412	}
1150		1413
1151	/* converts an ieee single/binary32 to a float */	1414	/* converts an ieee single/binary32 to a float */
1152	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1415	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1153	ecb_function_ float	1416	ecb_function_ ecb_const float
1154	ecb_binary32_to_float (uint32_t x)	1417	ecb_binary32_to_float (uint32_t x)
1155	{	1418	{
1156	float r;	1419	float r;
1157		1420
1158	#if ECB_STDFP	1421	#if ECB_STDFP
…		…
1168	x |= 0x800000U;	1431	x |= 0x800000U;
1169	else	1432	else
1170	e = 1;	1433	e = 1;
1171		1434
1172	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1435	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1173	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1436	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1174		1437
1175	r = neg ? -r : r;	1438	r = neg ? -r : r;
1176	#endif	1439	#endif
1177		1440
1178	return r;	1441	return r;
1179	}	1442	}
1180		1443
1181	/* convert a double to ieee double/binary64 */	1444	/* convert a double to ieee double/binary64 */
1182	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1445	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1183	ecb_function_ uint64_t	1446	ecb_function_ ecb_const uint64_t
1184	ecb_double_to_binary64 (double x)	1447	ecb_double_to_binary64 (double x)
1185	{	1448	{
1186	uint64_t r;	1449	uint64_t r;
1187		1450
1188	#if ECB_STDFP	1451	#if ECB_STDFP
…		…
1217		1480
1218	return r;	1481	return r;
1219	}	1482	}
1220		1483
1221	/* converts an ieee double/binary64 to a double */	1484	/* converts an ieee double/binary64 to a double */
1222	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1485	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1223	ecb_function_ double	1486	ecb_function_ ecb_const double
1224	ecb_binary64_to_double (uint64_t x)	1487	ecb_binary64_to_double (uint64_t x)
1225	{	1488	{
1226	double r;	1489	double r;
1227		1490
1228	#if ECB_STDFP	1491	#if ECB_STDFP
…		…
1244		1507
1245	r = neg ? -r : r;	1508	r = neg ? -r : r;
1246	#endif	1509	#endif
1247		1510
1248	return r;	1511	return r;
		1512	}
		1513
		1514	/* convert a float to ieee half/binary16 */
		1515	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1516	ecb_function_ ecb_const uint16_t
		1517	ecb_float_to_binary16 (float x)
		1518	{
		1519	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1520	}
		1521
		1522	/* convert an ieee half/binary16 to float */
		1523	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1524	ecb_function_ ecb_const float
		1525	ecb_binary16_to_float (uint16_t x)
		1526	{
		1527	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1249	}	1528	}
1250		1529
1251	#endif	1530	#endif
1252		1531
1253	#endif	1532	#endif
…		…
1278	#define inline_size ecb_inline	1557	#define inline_size ecb_inline
1279		1558
1280	#if EV_FEATURE_CODE	1559	#if EV_FEATURE_CODE
1281	# define inline_speed ecb_inline	1560	# define inline_speed ecb_inline
1282	#else	1561	#else
1283	# define inline_speed static noinline	1562	# define inline_speed noinline static
1284	#endif	1563	#endif
1285		1564
1286	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1565	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1287		1566
1288	#if EV_MINPRI == EV_MAXPRI	1567	#if EV_MINPRI == EV_MAXPRI
1289	# define ABSPRI(w) (((W)w), 0)	1568	# define ABSPRI(w) (((W)w), 0)
1290	#else	1569	#else
1291	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1570	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1292	#endif	1571	#endif
1293		1572
1294	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1573	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1295	#define EMPTY2(a,b) /* used to suppress some warnings */
1296		1574
1297	typedef ev_watcher *W;	1575	typedef ev_watcher *W;
1298	typedef ev_watcher_list *WL;	1576	typedef ev_watcher_list *WL;
1299	typedef ev_watcher_time *WT;	1577	typedef ev_watcher_time *WT;
1300		1578
…		…
1335	#else	1613	#else
1336		1614
1337	#include <float.h>	1615	#include <float.h>
1338		1616
1339	/* a floor() replacement function, should be independent of ev_tstamp type */	1617	/* a floor() replacement function, should be independent of ev_tstamp type */
		1618	noinline
1340	static ev_tstamp noinline	1619	static ev_tstamp
1341	ev_floor (ev_tstamp v)	1620	ev_floor (ev_tstamp v)
1342	{	1621	{
1343	/* the choice of shift factor is not terribly important */	1622	/* the choice of shift factor is not terribly important */
1344	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1623	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1345	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1624	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1377		1656
1378	#ifdef __linux	1657	#ifdef __linux
1379	# include <sys/utsname.h>	1658	# include <sys/utsname.h>
1380	#endif	1659	#endif
1381		1660
1382	static unsigned int noinline ecb_cold	1661	noinline ecb_cold
		1662	static unsigned int
1383	ev_linux_version (void)	1663	ev_linux_version (void)
1384	{	1664	{
1385	#ifdef __linux	1665	#ifdef __linux
1386	unsigned int v = 0;	1666	unsigned int v = 0;
1387	struct utsname buf;	1667	struct utsname buf;
…		…
1416	}	1696	}
1417		1697
1418	/*****************************************************************************/	1698	/*****************************************************************************/
1419		1699
1420	#if EV_AVOID_STDIO	1700	#if EV_AVOID_STDIO
1421	static void noinline ecb_cold	1701	noinline ecb_cold
		1702	static void
1422	ev_printerr (const char *msg)	1703	ev_printerr (const char *msg)
1423	{	1704	{
1424	write (STDERR_FILENO, msg, strlen (msg));	1705	write (STDERR_FILENO, msg, strlen (msg));
1425	}	1706	}
1426	#endif	1707	#endif
1427		1708
1428	static void (*syserr_cb)(const char *msg) EV_THROW;	1709	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1429		1710
1430	void ecb_cold	1711	ecb_cold
		1712	void
1431	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1713	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1432	{	1714	{
1433	syserr_cb = cb;	1715	syserr_cb = cb;
1434	}	1716	}
1435		1717
1436	static void noinline ecb_cold	1718	noinline ecb_cold
		1719	static void
1437	ev_syserr (const char *msg)	1720	ev_syserr (const char *msg)
1438	{	1721	{
1439	if (!msg)	1722	if (!msg)
1440	msg = "(libev) system error";	1723	msg = "(libev) system error";
1441		1724
…		…
1454	abort ();	1737	abort ();
1455	}	1738	}
1456	}	1739	}
1457		1740
1458	static void *	1741	static void *
1459	ev_realloc_emul (void *ptr, long size) EV_THROW	1742	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1460	{	1743	{
1461	/* some systems, notably openbsd and darwin, fail to properly	1744	/* some systems, notably openbsd and darwin, fail to properly
1462	* implement realloc (x, 0) (as required by both ansi c-89 and	1745	* implement realloc (x, 0) (as required by both ansi c-89 and
1463	* the single unix specification, so work around them here.	1746	* the single unix specification, so work around them here.
1464	* recently, also (at least) fedora and debian started breaking it,	1747	* recently, also (at least) fedora and debian started breaking it,
…		…
1470		1753
1471	free (ptr);	1754	free (ptr);
1472	return 0;	1755	return 0;
1473	}	1756	}
1474		1757
1475	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1758	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1476		1759
1477	void ecb_cold	1760	ecb_cold
		1761	void
1478	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1762	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1479	{	1763	{
1480	alloc = cb;	1764	alloc = cb;
1481	}	1765	}
1482		1766
1483	inline_speed void *	1767	inline_speed void *
…		…
1510	typedef struct	1794	typedef struct
1511	{	1795	{
1512	WL head;	1796	WL head;
1513	unsigned char events; /* the events watched for */	1797	unsigned char events; /* the events watched for */
1514	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1798	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 */	1799	unsigned char emask; /* some backends store the actual kernel mask in here */
1516	unsigned char unused;	1800	unsigned char unused;
1517	#if EV_USE_EPOLL	1801	#if EV_USE_EPOLL
1518	unsigned int egen; /* generation counter to counter epoll bugs */	1802	unsigned int egen; /* generation counter to counter epoll bugs */
1519	#endif	1803	#endif
1520	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1804	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1600		1884
1601	/*****************************************************************************/	1885	/*****************************************************************************/
1602		1886
1603	#ifndef EV_HAVE_EV_TIME	1887	#ifndef EV_HAVE_EV_TIME
1604	ev_tstamp	1888	ev_tstamp
1605	ev_time (void) EV_THROW	1889	ev_time (void) EV_NOEXCEPT
1606	{	1890	{
1607	#if EV_USE_REALTIME	1891	#if EV_USE_REALTIME
1608	if (expect_true (have_realtime))	1892	if (expect_true (have_realtime))
1609	{	1893	{
1610	struct timespec ts;	1894	struct timespec ts;
…		…
1634	return ev_time ();	1918	return ev_time ();
1635	}	1919	}
1636		1920
1637	#if EV_MULTIPLICITY	1921	#if EV_MULTIPLICITY
1638	ev_tstamp	1922	ev_tstamp
1639	ev_now (EV_P) EV_THROW	1923	ev_now (EV_P) EV_NOEXCEPT
1640	{	1924	{
1641	return ev_rt_now;	1925	return ev_rt_now;
1642	}	1926	}
1643	#endif	1927	#endif
1644		1928
1645	void	1929	void
1646	ev_sleep (ev_tstamp delay) EV_THROW	1930	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1647	{	1931	{
1648	if (delay > 0.)	1932	if (delay > 0.)
1649	{	1933	{
1650	#if EV_USE_NANOSLEEP	1934	#if EV_USE_NANOSLEEP
1651	struct timespec ts;	1935	struct timespec ts;
1652		1936
1653	EV_TS_SET (ts, delay);	1937	EV_TS_SET (ts, delay);
1654	nanosleep (&ts, 0);	1938	nanosleep (&ts, 0);
1655	#elif defined _WIN32	1939	#elif defined _WIN32
		1940	/* maybe this should round up, as ms is very low resolution */
		1941	/* compared to select (µs) or nanosleep (ns) */
1656	Sleep ((unsigned long)(delay * 1e3));	1942	Sleep ((unsigned long)(delay * 1e3));
1657	#else	1943	#else
1658	struct timeval tv;	1944	struct timeval tv;
1659		1945
1660	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1946	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1691	}	1977	}
1692		1978
1693	return ncur;	1979	return ncur;
1694	}	1980	}
1695		1981
1696	static void * noinline ecb_cold	1982	noinline ecb_cold
		1983	static void *
1697	array_realloc (int elem, void *base, int *cur, int cnt)	1984	array_realloc (int elem, void *base, int *cur, int cnt)
1698	{	1985	{
1699	*cur = array_nextsize (elem, *cur, cnt);	1986	*cur = array_nextsize (elem, *cur, cnt);
1700	return ev_realloc (base, elem * *cur);	1987	return ev_realloc (base, elem * *cur);
1701	}	1988	}
1702		1989
		1990	#define array_needsize_noinit(base,count)
		1991
1703	#define array_init_zero(base,count) \	1992	#define array_needsize_zerofill(base,count) \
1704	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1993	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1705		1994
1706	#define array_needsize(type,base,cur,cnt,init) \	1995	#define array_needsize(type,base,cur,cnt,init) \
1707	if (expect_false ((cnt) > (cur))) \	1996	if (expect_false ((cnt) > (cur))) \
1708	{ \	1997	{ \
1709	int ecb_unused ocur_ = (cur); \	1998	ecb_unused int ocur_ = (cur); \
1710	(base) = (type *)array_realloc \	1999	(base) = (type *)array_realloc \
1711	(sizeof (type), (base), &(cur), (cnt)); \	2000	(sizeof (type), (base), &(cur), (cnt)); \
1712	init ((base) + (ocur_), (cur) - ocur_); \	2001	init ((base) + (ocur_), (cur) - ocur_); \
1713	}	2002	}
1714		2003
…		…
1726	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2015	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1727		2016
1728	/*****************************************************************************/	2017	/*****************************************************************************/
1729		2018
1730	/* dummy callback for pending events */	2019	/* dummy callback for pending events */
1731	static void noinline	2020	noinline
		2021	static void
1732	pendingcb (EV_P_ ev_prepare *w, int revents)	2022	pendingcb (EV_P_ ev_prepare *w, int revents)
1733	{	2023	{
1734	}	2024	}
1735		2025
1736	void noinline	2026	noinline
		2027	void
1737	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2028	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1738	{	2029	{
1739	W w_ = (W)w;	2030	W w_ = (W)w;
1740	int pri = ABSPRI (w_);	2031	int pri = ABSPRI (w_);
1741		2032
1742	if (expect_false (w_->pending))	2033	if (expect_false (w_->pending))
1743	pendings [pri][w_->pending - 1].events |= revents;	2034	pendings [pri][w_->pending - 1].events |= revents;
1744	else	2035	else
1745	{	2036	{
1746	w_->pending = ++pendingcnt [pri];	2037	w_->pending = ++pendingcnt [pri];
1747	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2038	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1748	pendings [pri][w_->pending - 1].w = w_;	2039	pendings [pri][w_->pending - 1].w = w_;
1749	pendings [pri][w_->pending - 1].events = revents;	2040	pendings [pri][w_->pending - 1].events = revents;
1750	}	2041	}
1751		2042
1752	pendingpri = NUMPRI - 1;	2043	pendingpri = NUMPRI - 1;
1753	}	2044	}
1754		2045
1755	inline_speed void	2046	inline_speed void
1756	feed_reverse (EV_P_ W w)	2047	feed_reverse (EV_P_ W w)
1757	{	2048	{
1758	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2049	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1759	rfeeds [rfeedcnt++] = w;	2050	rfeeds [rfeedcnt++] = w;
1760	}	2051	}
1761		2052
1762	inline_size void	2053	inline_size void
1763	feed_reverse_done (EV_P_ int revents)	2054	feed_reverse_done (EV_P_ int revents)
…		…
1803	if (expect_true (!anfd->reify))	2094	if (expect_true (!anfd->reify))
1804	fd_event_nocheck (EV_A_ fd, revents);	2095	fd_event_nocheck (EV_A_ fd, revents);
1805	}	2096	}
1806		2097
1807	void	2098	void
1808	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2099	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1809	{	2100	{
1810	if (fd >= 0 && fd < anfdmax)	2101	if (fd >= 0 && fd < anfdmax)
1811	fd_event_nocheck (EV_A_ fd, revents);	2102	fd_event_nocheck (EV_A_ fd, revents);
1812	}	2103	}
1813		2104
…		…
1871		2162
1872	fdchangecnt = 0;	2163	fdchangecnt = 0;
1873	}	2164	}
1874		2165
1875	/* something about the given fd changed */	2166	/* something about the given fd changed */
1876	inline_size void	2167	inline_size
		2168	void
1877	fd_change (EV_P_ int fd, int flags)	2169	fd_change (EV_P_ int fd, int flags)
1878	{	2170	{
1879	unsigned char reify = anfds [fd].reify;	2171	unsigned char reify = anfds [fd].reify;
1880	anfds [fd].reify |= flags;	2172	anfds [fd].reify |= flags;
1881		2173
1882	if (expect_true (!reify))	2174	if (expect_true (!reify))
1883	{	2175	{
1884	++fdchangecnt;	2176	++fdchangecnt;
1885	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2177	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1886	fdchanges [fdchangecnt - 1] = fd;	2178	fdchanges [fdchangecnt - 1] = fd;
1887	}	2179	}
1888	}	2180	}
1889		2181
1890	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2182	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1891	inline_speed void ecb_cold	2183	inline_speed ecb_cold void
1892	fd_kill (EV_P_ int fd)	2184	fd_kill (EV_P_ int fd)
1893	{	2185	{
1894	ev_io *w;	2186	ev_io *w;
1895		2187
1896	while ((w = (ev_io *)anfds [fd].head))	2188	while ((w = (ev_io *)anfds [fd].head))
…		…
1899	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2191	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1900	}	2192	}
1901	}	2193	}
1902		2194
1903	/* check whether the given fd is actually valid, for error recovery */	2195	/* check whether the given fd is actually valid, for error recovery */
1904	inline_size int ecb_cold	2196	inline_size ecb_cold int
1905	fd_valid (int fd)	2197	fd_valid (int fd)
1906	{	2198	{
1907	#ifdef _WIN32	2199	#ifdef _WIN32
1908	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2200	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1909	#else	2201	#else
1910	return fcntl (fd, F_GETFD) != -1;	2202	return fcntl (fd, F_GETFD) != -1;
1911	#endif	2203	#endif
1912	}	2204	}
1913		2205
1914	/* called on EBADF to verify fds */	2206	/* called on EBADF to verify fds */
1915	static void noinline ecb_cold	2207	noinline ecb_cold
		2208	static void
1916	fd_ebadf (EV_P)	2209	fd_ebadf (EV_P)
1917	{	2210	{
1918	int fd;	2211	int fd;
1919		2212
1920	for (fd = 0; fd < anfdmax; ++fd)	2213	for (fd = 0; fd < anfdmax; ++fd)
…		…
1922	if (!fd_valid (fd) && errno == EBADF)	2215	if (!fd_valid (fd) && errno == EBADF)
1923	fd_kill (EV_A_ fd);	2216	fd_kill (EV_A_ fd);
1924	}	2217	}
1925		2218
1926	/* called on ENOMEM in select/poll to kill some fds and retry */	2219	/* called on ENOMEM in select/poll to kill some fds and retry */
1927	static void noinline ecb_cold	2220	noinline ecb_cold
		2221	static void
1928	fd_enomem (EV_P)	2222	fd_enomem (EV_P)
1929	{	2223	{
1930	int fd;	2224	int fd;
1931		2225
1932	for (fd = anfdmax; fd--; )	2226	for (fd = anfdmax; fd--; )
…		…
1936	break;	2230	break;
1937	}	2231	}
1938	}	2232	}
1939		2233
1940	/* usually called after fork if backend needs to re-arm all fds from scratch */	2234	/* usually called after fork if backend needs to re-arm all fds from scratch */
1941	static void noinline	2235	noinline
		2236	static void
1942	fd_rearm_all (EV_P)	2237	fd_rearm_all (EV_P)
1943	{	2238	{
1944	int fd;	2239	int fd;
1945		2240
1946	for (fd = 0; fd < anfdmax; ++fd)	2241	for (fd = 0; fd < anfdmax; ++fd)
…		…
2127		2422
2128	/*****************************************************************************/	2423	/*****************************************************************************/
2129		2424
2130	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2425	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2131		2426
2132	static void noinline ecb_cold	2427	noinline ecb_cold
		2428	static void
2133	evpipe_init (EV_P)	2429	evpipe_init (EV_P)
2134	{	2430	{
2135	if (!ev_is_active (&pipe_w))	2431	if (!ev_is_active (&pipe_w))
2136	{	2432	{
2137	int fds [2];	2433	int fds [2];
…		…
2208	#endif	2504	#endif
2209	{	2505	{
2210	#ifdef _WIN32	2506	#ifdef _WIN32
2211	WSABUF buf;	2507	WSABUF buf;
2212	DWORD sent;	2508	DWORD sent;
2213	buf.buf = &buf;	2509	buf.buf = (char *)&buf;
2214	buf.len = 1;	2510	buf.len = 1;
2215	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2511	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2216	#else	2512	#else
2217	write (evpipe [1], &(evpipe [1]), 1);	2513	write (evpipe [1], &(evpipe [1]), 1);
2218	#endif	2514	#endif
…		…
2290	}	2586	}
2291		2587
2292	/*****************************************************************************/	2588	/*****************************************************************************/
2293		2589
2294	void	2590	void
2295	ev_feed_signal (int signum) EV_THROW	2591	ev_feed_signal (int signum) EV_NOEXCEPT
2296	{	2592	{
2297	#if EV_MULTIPLICITY	2593	#if EV_MULTIPLICITY
2298	EV_P;	2594	EV_P;
2299	ECB_MEMORY_FENCE_ACQUIRE;	2595	ECB_MEMORY_FENCE_ACQUIRE;
2300	EV_A = signals [signum - 1].loop;	2596	EV_A = signals [signum - 1].loop;
…		…
2315	#endif	2611	#endif
2316		2612
2317	ev_feed_signal (signum);	2613	ev_feed_signal (signum);
2318	}	2614	}
2319		2615
2320	void noinline	2616	noinline
		2617	void
2321	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2618	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2322	{	2619	{
2323	WL w;	2620	WL w;
2324		2621
2325	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2622	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2326	return;	2623	return;
…		…
2432	# include "ev_port.c"	2729	# include "ev_port.c"
2433	#endif	2730	#endif
2434	#if EV_USE_KQUEUE	2731	#if EV_USE_KQUEUE
2435	# include "ev_kqueue.c"	2732	# include "ev_kqueue.c"
2436	#endif	2733	#endif
		2734	#if EV_USE_LINUXAIO
		2735	# include "ev_linuxaio.c"
		2736	#endif
2437	#if EV_USE_EPOLL	2737	#if EV_USE_EPOLL
2438	# include "ev_epoll.c"	2738	# include "ev_epoll.c"
2439	#endif	2739	#endif
2440	#if EV_USE_POLL	2740	#if EV_USE_POLL
2441	# include "ev_poll.c"	2741	# include "ev_poll.c"
2442	#endif	2742	#endif
2443	#if EV_USE_SELECT	2743	#if EV_USE_SELECT
2444	# include "ev_select.c"	2744	# include "ev_select.c"
2445	#endif	2745	#endif
2446		2746
2447	int ecb_cold	2747	ecb_cold int
2448	ev_version_major (void) EV_THROW	2748	ev_version_major (void) EV_NOEXCEPT
2449	{	2749	{
2450	return EV_VERSION_MAJOR;	2750	return EV_VERSION_MAJOR;
2451	}	2751	}
2452		2752
2453	int ecb_cold	2753	ecb_cold int
2454	ev_version_minor (void) EV_THROW	2754	ev_version_minor (void) EV_NOEXCEPT
2455	{	2755	{
2456	return EV_VERSION_MINOR;	2756	return EV_VERSION_MINOR;
2457	}	2757	}
2458		2758
2459	/* return true if we are running with elevated privileges and should ignore env variables */	2759	/* return true if we are running with elevated privileges and should ignore env variables */
2460	int inline_size ecb_cold	2760	inline_size ecb_cold int
2461	enable_secure (void)	2761	enable_secure (void)
2462	{	2762	{
2463	#ifdef _WIN32	2763	#ifdef _WIN32
2464	return 0;	2764	return 0;
2465	#else	2765	#else
2466	return getuid () != geteuid ()	2766	return getuid () != geteuid ()
2467	|| getgid () != getegid ();	2767	|| getgid () != getegid ();
2468	#endif	2768	#endif
2469	}	2769	}
2470		2770
2471	unsigned int ecb_cold	2771	ecb_cold
		2772	unsigned int
2472	ev_supported_backends (void) EV_THROW	2773	ev_supported_backends (void) EV_NOEXCEPT
2473	{	2774	{
2474	unsigned int flags = 0;	2775	unsigned int flags = 0;
2475		2776
2476	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2777	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2477	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2778	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2478	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2779	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2780	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2479	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2781	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2480	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2782	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2481		2783
2482	return flags;	2784	return flags;
2483	}	2785	}
2484		2786
2485	unsigned int ecb_cold	2787	ecb_cold
		2788	unsigned int
2486	ev_recommended_backends (void) EV_THROW	2789	ev_recommended_backends (void) EV_NOEXCEPT
2487	{	2790	{
2488	unsigned int flags = ev_supported_backends ();	2791	unsigned int flags = ev_supported_backends ();
2489		2792
2490	#ifndef __NetBSD__	2793	#ifndef __NetBSD__
2491	/* kqueue is borked on everything but netbsd apparently */	2794	/* kqueue is borked on everything but netbsd apparently */
…		…
2499	#endif	2802	#endif
2500	#ifdef __FreeBSD__	2803	#ifdef __FreeBSD__
2501	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2804	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2502	#endif	2805	#endif
2503		2806
		2807	/* TODO: linuxaio is very experimental */
		2808	flags &= ~EVBACKEND_LINUXAIO;
		2809
2504	return flags;	2810	return flags;
2505	}	2811	}
2506		2812
2507	unsigned int ecb_cold	2813	ecb_cold
		2814	unsigned int
2508	ev_embeddable_backends (void) EV_THROW	2815	ev_embeddable_backends (void) EV_NOEXCEPT
2509	{	2816	{
2510	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2817	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2511		2818
2512	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2819	/* 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 */	2820	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2515		2822
2516	return flags;	2823	return flags;
2517	}	2824	}
2518		2825
2519	unsigned int	2826	unsigned int
2520	ev_backend (EV_P) EV_THROW	2827	ev_backend (EV_P) EV_NOEXCEPT
2521	{	2828	{
2522	return backend;	2829	return backend;
2523	}	2830	}
2524		2831
2525	#if EV_FEATURE_API	2832	#if EV_FEATURE_API
2526	unsigned int	2833	unsigned int
2527	ev_iteration (EV_P) EV_THROW	2834	ev_iteration (EV_P) EV_NOEXCEPT
2528	{	2835	{
2529	return loop_count;	2836	return loop_count;
2530	}	2837	}
2531		2838
2532	unsigned int	2839	unsigned int
2533	ev_depth (EV_P) EV_THROW	2840	ev_depth (EV_P) EV_NOEXCEPT
2534	{	2841	{
2535	return loop_depth;	2842	return loop_depth;
2536	}	2843	}
2537		2844
2538	void	2845	void
2539	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2846	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2540	{	2847	{
2541	io_blocktime = interval;	2848	io_blocktime = interval;
2542	}	2849	}
2543		2850
2544	void	2851	void
2545	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2852	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2546	{	2853	{
2547	timeout_blocktime = interval;	2854	timeout_blocktime = interval;
2548	}	2855	}
2549		2856
2550	void	2857	void
2551	ev_set_userdata (EV_P_ void *data) EV_THROW	2858	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2552	{	2859	{
2553	userdata = data;	2860	userdata = data;
2554	}	2861	}
2555		2862
2556	void *	2863	void *
2557	ev_userdata (EV_P) EV_THROW	2864	ev_userdata (EV_P) EV_NOEXCEPT
2558	{	2865	{
2559	return userdata;	2866	return userdata;
2560	}	2867	}
2561		2868
2562	void	2869	void
2563	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2870	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2564	{	2871	{
2565	invoke_cb = invoke_pending_cb;	2872	invoke_cb = invoke_pending_cb;
2566	}	2873	}
2567		2874
2568	void	2875	void
2569	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW	2876	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2570	{	2877	{
2571	release_cb = release;	2878	release_cb = release;
2572	acquire_cb = acquire;	2879	acquire_cb = acquire;
2573	}	2880	}
2574	#endif	2881	#endif
2575		2882
2576	/* initialise a loop structure, must be zero-initialised */	2883	/* initialise a loop structure, must be zero-initialised */
2577	static void noinline ecb_cold	2884	noinline ecb_cold
		2885	static void
2578	loop_init (EV_P_ unsigned int flags) EV_THROW	2886	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2579	{	2887	{
2580	if (!backend)	2888	if (!backend)
2581	{	2889	{
2582	origflags = flags;	2890	origflags = flags;
2583		2891
…		…
2641		2949
2642	if (!(flags & EVBACKEND_MASK))	2950	if (!(flags & EVBACKEND_MASK))
2643	flags |= ev_recommended_backends ();	2951	flags |= ev_recommended_backends ();
2644		2952
2645	#if EV_USE_IOCP	2953	#if EV_USE_IOCP
2646	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	2954	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2647	#endif	2955	#endif
2648	#if EV_USE_PORT	2956	#if EV_USE_PORT
2649	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	2957	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2650	#endif	2958	#endif
2651	#if EV_USE_KQUEUE	2959	#if EV_USE_KQUEUE
2652	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	2960	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		2961	#endif
		2962	#if EV_USE_LINUXAIO
		2963	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2653	#endif	2964	#endif
2654	#if EV_USE_EPOLL	2965	#if EV_USE_EPOLL
2655	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	2966	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2656	#endif	2967	#endif
2657	#if EV_USE_POLL	2968	#if EV_USE_POLL
2658	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	2969	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2659	#endif	2970	#endif
2660	#if EV_USE_SELECT	2971	#if EV_USE_SELECT
2661	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	2972	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2662	#endif	2973	#endif
2663		2974
2664	ev_prepare_init (&pending_w, pendingcb);	2975	ev_prepare_init (&pending_w, pendingcb);
2665		2976
2666	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2977	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2669	#endif	2980	#endif
2670	}	2981	}
2671	}	2982	}
2672		2983
2673	/* free up a loop structure */	2984	/* free up a loop structure */
2674	void ecb_cold	2985	ecb_cold
		2986	void
2675	ev_loop_destroy (EV_P)	2987	ev_loop_destroy (EV_P)
2676	{	2988	{
2677	int i;	2989	int i;
2678		2990
2679	#if EV_MULTIPLICITY	2991	#if EV_MULTIPLICITY
…		…
2720		3032
2721	if (backend_fd >= 0)	3033	if (backend_fd >= 0)
2722	close (backend_fd);	3034	close (backend_fd);
2723		3035
2724	#if EV_USE_IOCP	3036	#if EV_USE_IOCP
2725	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3037	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2726	#endif	3038	#endif
2727	#if EV_USE_PORT	3039	#if EV_USE_PORT
2728	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3040	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2729	#endif	3041	#endif
2730	#if EV_USE_KQUEUE	3042	#if EV_USE_KQUEUE
2731	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3043	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3044	#endif
		3045	#if EV_USE_LINUXAIO
		3046	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2732	#endif	3047	#endif
2733	#if EV_USE_EPOLL	3048	#if EV_USE_EPOLL
2734	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3049	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2735	#endif	3050	#endif
2736	#if EV_USE_POLL	3051	#if EV_USE_POLL
2737	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3052	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2738	#endif	3053	#endif
2739	#if EV_USE_SELECT	3054	#if EV_USE_SELECT
2740	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3055	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2741	#endif	3056	#endif
2742		3057
2743	for (i = NUMPRI; i--; )	3058	for (i = NUMPRI; i--; )
2744	{	3059	{
2745	array_free (pending, [i]);	3060	array_free (pending, [i]);
…		…
2787		3102
2788	inline_size void	3103	inline_size void
2789	loop_fork (EV_P)	3104	loop_fork (EV_P)
2790	{	3105	{
2791	#if EV_USE_PORT	3106	#if EV_USE_PORT
2792	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3107	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2793	#endif	3108	#endif
2794	#if EV_USE_KQUEUE	3109	#if EV_USE_KQUEUE
2795	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3110	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3111	#endif
		3112	#if EV_USE_LINUXAIO
		3113	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2796	#endif	3114	#endif
2797	#if EV_USE_EPOLL	3115	#if EV_USE_EPOLL
2798	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3116	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2799	#endif	3117	#endif
2800	#if EV_USE_INOTIFY	3118	#if EV_USE_INOTIFY
2801	infy_fork (EV_A);	3119	infy_fork (EV_A);
2802	#endif	3120	#endif
2803		3121
2804	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3122	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2805	if (ev_is_active (&pipe_w))	3123	if (ev_is_active (&pipe_w) && postfork != 2)
2806	{	3124	{
2807	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3125	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2808		3126
2809	ev_ref (EV_A);	3127	ev_ref (EV_A);
2810	ev_io_stop (EV_A_ &pipe_w);	3128	ev_io_stop (EV_A_ &pipe_w);
…		…
2821	postfork = 0;	3139	postfork = 0;
2822	}	3140	}
2823		3141
2824	#if EV_MULTIPLICITY	3142	#if EV_MULTIPLICITY
2825		3143
		3144	ecb_cold
2826	struct ev_loop * ecb_cold	3145	struct ev_loop *
2827	ev_loop_new (unsigned int flags) EV_THROW	3146	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2828	{	3147	{
2829	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3148	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2830		3149
2831	memset (EV_A, 0, sizeof (struct ev_loop));	3150	memset (EV_A, 0, sizeof (struct ev_loop));
2832	loop_init (EV_A_ flags);	3151	loop_init (EV_A_ flags);
…		…
2839	}	3158	}
2840		3159
2841	#endif /* multiplicity */	3160	#endif /* multiplicity */
2842		3161
2843	#if EV_VERIFY	3162	#if EV_VERIFY
2844	static void noinline ecb_cold	3163	noinline ecb_cold
		3164	static void
2845	verify_watcher (EV_P_ W w)	3165	verify_watcher (EV_P_ W w)
2846	{	3166	{
2847	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3167	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2848		3168
2849	if (w->pending)	3169	if (w->pending)
2850	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3170	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2851	}	3171	}
2852		3172
2853	static void noinline ecb_cold	3173	noinline ecb_cold
		3174	static void
2854	verify_heap (EV_P_ ANHE *heap, int N)	3175	verify_heap (EV_P_ ANHE *heap, int N)
2855	{	3176	{
2856	int i;	3177	int i;
2857		3178
2858	for (i = HEAP0; i < N + HEAP0; ++i)	3179	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2863		3184
2864	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3185	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2865	}	3186	}
2866	}	3187	}
2867		3188
2868	static void noinline ecb_cold	3189	noinline ecb_cold
		3190	static void
2869	array_verify (EV_P_ W *ws, int cnt)	3191	array_verify (EV_P_ W *ws, int cnt)
2870	{	3192	{
2871	while (cnt--)	3193	while (cnt--)
2872	{	3194	{
2873	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3195	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2876	}	3198	}
2877	#endif	3199	#endif
2878		3200
2879	#if EV_FEATURE_API	3201	#if EV_FEATURE_API
2880	void ecb_cold	3202	void ecb_cold
2881	ev_verify (EV_P) EV_THROW	3203	ev_verify (EV_P) EV_NOEXCEPT
2882	{	3204	{
2883	#if EV_VERIFY	3205	#if EV_VERIFY
2884	int i;	3206	int i;
2885	WL w, w2;	3207	WL w, w2;
2886		3208
…		…
2962	#endif	3284	#endif
2963	}	3285	}
2964	#endif	3286	#endif
2965		3287
2966	#if EV_MULTIPLICITY	3288	#if EV_MULTIPLICITY
		3289	ecb_cold
2967	struct ev_loop * ecb_cold	3290	struct ev_loop *
2968	#else	3291	#else
2969	int	3292	int
2970	#endif	3293	#endif
2971	ev_default_loop (unsigned int flags) EV_THROW	3294	ev_default_loop (unsigned int flags) EV_NOEXCEPT
2972	{	3295	{
2973	if (!ev_default_loop_ptr)	3296	if (!ev_default_loop_ptr)
2974	{	3297	{
2975	#if EV_MULTIPLICITY	3298	#if EV_MULTIPLICITY
2976	EV_P = ev_default_loop_ptr = &default_loop_struct;	3299	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2995		3318
2996	return ev_default_loop_ptr;	3319	return ev_default_loop_ptr;
2997	}	3320	}
2998		3321
2999	void	3322	void
3000	ev_loop_fork (EV_P) EV_THROW	3323	ev_loop_fork (EV_P) EV_NOEXCEPT
3001	{	3324	{
3002	postfork = 1;	3325	postfork = 1;
3003	}	3326	}
3004		3327
3005	/*****************************************************************************/	3328	/*****************************************************************************/
…		…
3009	{	3332	{
3010	EV_CB_INVOKE ((W)w, revents);	3333	EV_CB_INVOKE ((W)w, revents);
3011	}	3334	}
3012		3335
3013	unsigned int	3336	unsigned int
3014	ev_pending_count (EV_P) EV_THROW	3337	ev_pending_count (EV_P) EV_NOEXCEPT
3015	{	3338	{
3016	int pri;	3339	int pri;
3017	unsigned int count = 0;	3340	unsigned int count = 0;
3018		3341
3019	for (pri = NUMPRI; pri--; )	3342	for (pri = NUMPRI; pri--; )
3020	count += pendingcnt [pri];	3343	count += pendingcnt [pri];
3021		3344
3022	return count;	3345	return count;
3023	}	3346	}
3024		3347
3025	void noinline	3348	noinline
		3349	void
3026	ev_invoke_pending (EV_P)	3350	ev_invoke_pending (EV_P)
3027	{	3351	{
3028	pendingpri = NUMPRI;	3352	pendingpri = NUMPRI;
3029		3353
3030	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3354	do
3031	{	3355	{
3032	--pendingpri;	3356	--pendingpri;
3033		3357
		3358	/* pendingpri possibly gets modified in the inner loop */
3034	while (pendingcnt [pendingpri])	3359	while (pendingcnt [pendingpri])
3035	{	3360	{
3036	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3361	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3037		3362
3038	p->w->pending = 0;	3363	p->w->pending = 0;
3039	EV_CB_INVOKE (p->w, p->events);	3364	EV_CB_INVOKE (p->w, p->events);
3040	EV_FREQUENT_CHECK;	3365	EV_FREQUENT_CHECK;
3041	}	3366	}
3042	}	3367	}
		3368	while (pendingpri);
3043	}	3369	}
3044		3370
3045	#if EV_IDLE_ENABLE	3371	#if EV_IDLE_ENABLE
3046	/* make idle watchers pending. this handles the "call-idle */	3372	/* make idle watchers pending. this handles the "call-idle */
3047	/* only when higher priorities are idle" logic */	3373	/* only when higher priorities are idle" logic */
…		…
3105	}	3431	}
3106	}	3432	}
3107		3433
3108	#if EV_PERIODIC_ENABLE	3434	#if EV_PERIODIC_ENABLE
3109		3435
3110	static void noinline	3436	noinline
		3437	static void
3111	periodic_recalc (EV_P_ ev_periodic *w)	3438	periodic_recalc (EV_P_ ev_periodic *w)
3112	{	3439	{
3113	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3440	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);	3441	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3115		3442
…		…
3173	}	3500	}
3174	}	3501	}
3175		3502
3176	/* simply recalculate all periodics */	3503	/* simply recalculate all periodics */
3177	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3504	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3178	static void noinline ecb_cold	3505	noinline ecb_cold
		3506	static void
3179	periodics_reschedule (EV_P)	3507	periodics_reschedule (EV_P)
3180	{	3508	{
3181	int i;	3509	int i;
3182		3510
3183	/* adjust periodics after time jump */	3511	/* adjust periodics after time jump */
…		…
3196	reheap (periodics, periodiccnt);	3524	reheap (periodics, periodiccnt);
3197	}	3525	}
3198	#endif	3526	#endif
3199		3527
3200	/* adjust all timers by a given offset */	3528	/* adjust all timers by a given offset */
3201	static void noinline ecb_cold	3529	noinline ecb_cold
		3530	static void
3202	timers_reschedule (EV_P_ ev_tstamp adjust)	3531	timers_reschedule (EV_P_ ev_tstamp adjust)
3203	{	3532	{
3204	int i;	3533	int i;
3205		3534
3206	for (i = 0; i < timercnt; ++i)	3535	for (i = 0; i < timercnt; ++i)
…		…
3453		3782
3454	return activecnt;	3783	return activecnt;
3455	}	3784	}
3456		3785
3457	void	3786	void
3458	ev_break (EV_P_ int how) EV_THROW	3787	ev_break (EV_P_ int how) EV_NOEXCEPT
3459	{	3788	{
3460	loop_done = how;	3789	loop_done = how;
3461	}	3790	}
3462		3791
3463	void	3792	void
3464	ev_ref (EV_P) EV_THROW	3793	ev_ref (EV_P) EV_NOEXCEPT
3465	{	3794	{
3466	++activecnt;	3795	++activecnt;
3467	}	3796	}
3468		3797
3469	void	3798	void
3470	ev_unref (EV_P) EV_THROW	3799	ev_unref (EV_P) EV_NOEXCEPT
3471	{	3800	{
3472	--activecnt;	3801	--activecnt;
3473	}	3802	}
3474		3803
3475	void	3804	void
3476	ev_now_update (EV_P) EV_THROW	3805	ev_now_update (EV_P) EV_NOEXCEPT
3477	{	3806	{
3478	time_update (EV_A_ 1e100);	3807	time_update (EV_A_ 1e100);
3479	}	3808	}
3480		3809
3481	void	3810	void
3482	ev_suspend (EV_P) EV_THROW	3811	ev_suspend (EV_P) EV_NOEXCEPT
3483	{	3812	{
3484	ev_now_update (EV_A);	3813	ev_now_update (EV_A);
3485	}	3814	}
3486		3815
3487	void	3816	void
3488	ev_resume (EV_P) EV_THROW	3817	ev_resume (EV_P) EV_NOEXCEPT
3489	{	3818	{
3490	ev_tstamp mn_prev = mn_now;	3819	ev_tstamp mn_prev = mn_now;
3491		3820
3492	ev_now_update (EV_A);	3821	ev_now_update (EV_A);
3493	timers_reschedule (EV_A_ mn_now - mn_prev);	3822	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3532	w->pending = 0;	3861	w->pending = 0;
3533	}	3862	}
3534	}	3863	}
3535		3864
3536	int	3865	int
3537	ev_clear_pending (EV_P_ void *w) EV_THROW	3866	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3538	{	3867	{
3539	W w_ = (W)w;	3868	W w_ = (W)w;
3540	int pending = w_->pending;	3869	int pending = w_->pending;
3541		3870
3542	if (expect_true (pending))	3871	if (expect_true (pending))
…		…
3574	w->active = 0;	3903	w->active = 0;
3575	}	3904	}
3576		3905
3577	/*****************************************************************************/	3906	/*****************************************************************************/
3578		3907
3579	void noinline	3908	noinline
		3909	void
3580	ev_io_start (EV_P_ ev_io *w) EV_THROW	3910	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3581	{	3911	{
3582	int fd = w->fd;	3912	int fd = w->fd;
3583		3913
3584	if (expect_false (ev_is_active (w)))	3914	if (expect_false (ev_is_active (w)))
3585	return;	3915	return;
…		…
3588	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	3918	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3589		3919
3590	EV_FREQUENT_CHECK;	3920	EV_FREQUENT_CHECK;
3591		3921
3592	ev_start (EV_A_ (W)w, 1);	3922	ev_start (EV_A_ (W)w, 1);
3593	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3923	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3594	wlist_add (&anfds[fd].head, (WL)w);	3924	wlist_add (&anfds[fd].head, (WL)w);
3595		3925
3596	/* common bug, apparently */	3926	/* common bug, apparently */
3597	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	3927	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3598		3928
…		…
3600	w->events &= ~EV__IOFDSET;	3930	w->events &= ~EV__IOFDSET;
3601		3931
3602	EV_FREQUENT_CHECK;	3932	EV_FREQUENT_CHECK;
3603	}	3933	}
3604		3934
3605	void noinline	3935	noinline
		3936	void
3606	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3937	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3607	{	3938	{
3608	clear_pending (EV_A_ (W)w);	3939	clear_pending (EV_A_ (W)w);
3609	if (expect_false (!ev_is_active (w)))	3940	if (expect_false (!ev_is_active (w)))
3610	return;	3941	return;
3611		3942
…		…
3619	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3950	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3620		3951
3621	EV_FREQUENT_CHECK;	3952	EV_FREQUENT_CHECK;
3622	}	3953	}
3623		3954
3624	void noinline	3955	noinline
		3956	void
3625	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3957	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3626	{	3958	{
3627	if (expect_false (ev_is_active (w)))	3959	if (expect_false (ev_is_active (w)))
3628	return;	3960	return;
3629		3961
3630	ev_at (w) += mn_now;	3962	ev_at (w) += mn_now;
…		…
3633		3965
3634	EV_FREQUENT_CHECK;	3966	EV_FREQUENT_CHECK;
3635		3967
3636	++timercnt;	3968	++timercnt;
3637	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	3969	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3638	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	3970	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3639	ANHE_w (timers [ev_active (w)]) = (WT)w;	3971	ANHE_w (timers [ev_active (w)]) = (WT)w;
3640	ANHE_at_cache (timers [ev_active (w)]);	3972	ANHE_at_cache (timers [ev_active (w)]);
3641	upheap (timers, ev_active (w));	3973	upheap (timers, ev_active (w));
3642		3974
3643	EV_FREQUENT_CHECK;	3975	EV_FREQUENT_CHECK;
3644		3976
3645	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3977	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3646	}	3978	}
3647		3979
3648	void noinline	3980	noinline
		3981	void
3649	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3982	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3650	{	3983	{
3651	clear_pending (EV_A_ (W)w);	3984	clear_pending (EV_A_ (W)w);
3652	if (expect_false (!ev_is_active (w)))	3985	if (expect_false (!ev_is_active (w)))
3653	return;	3986	return;
3654		3987
…		…
3673	ev_stop (EV_A_ (W)w);	4006	ev_stop (EV_A_ (W)w);
3674		4007
3675	EV_FREQUENT_CHECK;	4008	EV_FREQUENT_CHECK;
3676	}	4009	}
3677		4010
3678	void noinline	4011	noinline
		4012	void
3679	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4013	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3680	{	4014	{
3681	EV_FREQUENT_CHECK;	4015	EV_FREQUENT_CHECK;
3682		4016
3683	clear_pending (EV_A_ (W)w);	4017	clear_pending (EV_A_ (W)w);
3684		4018
…		…
3701		4035
3702	EV_FREQUENT_CHECK;	4036	EV_FREQUENT_CHECK;
3703	}	4037	}
3704		4038
3705	ev_tstamp	4039	ev_tstamp
3706	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4040	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3707	{	4041	{
3708	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4042	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3709	}	4043	}
3710		4044
3711	#if EV_PERIODIC_ENABLE	4045	#if EV_PERIODIC_ENABLE
3712	void noinline	4046	noinline
		4047	void
3713	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4048	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3714	{	4049	{
3715	if (expect_false (ev_is_active (w)))	4050	if (expect_false (ev_is_active (w)))
3716	return;	4051	return;
3717		4052
3718	if (w->reschedule_cb)	4053	if (w->reschedule_cb)
…		…
3727		4062
3728	EV_FREQUENT_CHECK;	4063	EV_FREQUENT_CHECK;
3729		4064
3730	++periodiccnt;	4065	++periodiccnt;
3731	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4066	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3732	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4067	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3733	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4068	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3734	ANHE_at_cache (periodics [ev_active (w)]);	4069	ANHE_at_cache (periodics [ev_active (w)]);
3735	upheap (periodics, ev_active (w));	4070	upheap (periodics, ev_active (w));
3736		4071
3737	EV_FREQUENT_CHECK;	4072	EV_FREQUENT_CHECK;
3738		4073
3739	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4074	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3740	}	4075	}
3741		4076
3742	void noinline	4077	noinline
		4078	void
3743	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4079	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3744	{	4080	{
3745	clear_pending (EV_A_ (W)w);	4081	clear_pending (EV_A_ (W)w);
3746	if (expect_false (!ev_is_active (w)))	4082	if (expect_false (!ev_is_active (w)))
3747	return;	4083	return;
3748		4084
…		…
3765	ev_stop (EV_A_ (W)w);	4101	ev_stop (EV_A_ (W)w);
3766		4102
3767	EV_FREQUENT_CHECK;	4103	EV_FREQUENT_CHECK;
3768	}	4104	}
3769		4105
3770	void noinline	4106	noinline
		4107	void
3771	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4108	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3772	{	4109	{
3773	/* TODO: use adjustheap and recalculation */	4110	/* TODO: use adjustheap and recalculation */
3774	ev_periodic_stop (EV_A_ w);	4111	ev_periodic_stop (EV_A_ w);
3775	ev_periodic_start (EV_A_ w);	4112	ev_periodic_start (EV_A_ w);
3776	}	4113	}
…		…
3780	# define SA_RESTART 0	4117	# define SA_RESTART 0
3781	#endif	4118	#endif
3782		4119
3783	#if EV_SIGNAL_ENABLE	4120	#if EV_SIGNAL_ENABLE
3784		4121
3785	void noinline	4122	noinline
		4123	void
3786	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4124	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3787	{	4125	{
3788	if (expect_false (ev_is_active (w)))	4126	if (expect_false (ev_is_active (w)))
3789	return;	4127	return;
3790		4128
3791	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4129	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3862	}	4200	}
3863		4201
3864	EV_FREQUENT_CHECK;	4202	EV_FREQUENT_CHECK;
3865	}	4203	}
3866		4204
3867	void noinline	4205	noinline
		4206	void
3868	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4207	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3869	{	4208	{
3870	clear_pending (EV_A_ (W)w);	4209	clear_pending (EV_A_ (W)w);
3871	if (expect_false (!ev_is_active (w)))	4210	if (expect_false (!ev_is_active (w)))
3872	return;	4211	return;
3873		4212
…		…
3904	#endif	4243	#endif
3905		4244
3906	#if EV_CHILD_ENABLE	4245	#if EV_CHILD_ENABLE
3907		4246
3908	void	4247	void
3909	ev_child_start (EV_P_ ev_child *w) EV_THROW	4248	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3910	{	4249	{
3911	#if EV_MULTIPLICITY	4250	#if EV_MULTIPLICITY
3912	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4251	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3913	#endif	4252	#endif
3914	if (expect_false (ev_is_active (w)))	4253	if (expect_false (ev_is_active (w)))
…		…
3921		4260
3922	EV_FREQUENT_CHECK;	4261	EV_FREQUENT_CHECK;
3923	}	4262	}
3924		4263
3925	void	4264	void
3926	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4265	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3927	{	4266	{
3928	clear_pending (EV_A_ (W)w);	4267	clear_pending (EV_A_ (W)w);
3929	if (expect_false (!ev_is_active (w)))	4268	if (expect_false (!ev_is_active (w)))
3930	return;	4269	return;
3931		4270
…		…
3948		4287
3949	#define DEF_STAT_INTERVAL 5.0074891	4288	#define DEF_STAT_INTERVAL 5.0074891
3950	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4289	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3951	#define MIN_STAT_INTERVAL 0.1074891	4290	#define MIN_STAT_INTERVAL 0.1074891
3952		4291
3953	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4292	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3954		4293
3955	#if EV_USE_INOTIFY	4294	#if EV_USE_INOTIFY
3956		4295
3957	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4296	/* 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)	4297	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3959		4298
3960	static void noinline	4299	noinline
		4300	static void
3961	infy_add (EV_P_ ev_stat *w)	4301	infy_add (EV_P_ ev_stat *w)
3962	{	4302	{
3963	w->wd = inotify_add_watch (fs_fd, w->path,	4303	w->wd = inotify_add_watch (fs_fd, w->path,
3964	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4304	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3965	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4305	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4029	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4369	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4030	ev_timer_again (EV_A_ &w->timer);	4370	ev_timer_again (EV_A_ &w->timer);
4031	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4371	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4032	}	4372	}
4033		4373
4034	static void noinline	4374	noinline
		4375	static void
4035	infy_del (EV_P_ ev_stat *w)	4376	infy_del (EV_P_ ev_stat *w)
4036	{	4377	{
4037	int slot;	4378	int slot;
4038	int wd = w->wd;	4379	int wd = w->wd;
4039		4380
…		…
4046		4387
4047	/* remove this watcher, if others are watching it, they will rearm */	4388	/* remove this watcher, if others are watching it, they will rearm */
4048	inotify_rm_watch (fs_fd, wd);	4389	inotify_rm_watch (fs_fd, wd);
4049	}	4390	}
4050		4391
4051	static void noinline	4392	noinline
		4393	static void
4052	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4394	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4053	{	4395	{
4054	if (slot < 0)	4396	if (slot < 0)
4055	/* overflow, need to check for all hash slots */	4397	/* overflow, need to check for all hash slots */
4056	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4398	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4092	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4434	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4093	ofs += sizeof (struct inotify_event) + ev->len;	4435	ofs += sizeof (struct inotify_event) + ev->len;
4094	}	4436	}
4095	}	4437	}
4096		4438
4097	inline_size void ecb_cold	4439	inline_size ecb_cold
		4440	void
4098	ev_check_2625 (EV_P)	4441	ev_check_2625 (EV_P)
4099	{	4442	{
4100	/* kernels < 2.6.25 are borked	4443	/* kernels < 2.6.25 are borked
4101	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4444	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4102	*/	4445	*/
…		…
4192	#else	4535	#else
4193	# define EV_LSTAT(p,b) lstat (p, b)	4536	# define EV_LSTAT(p,b) lstat (p, b)
4194	#endif	4537	#endif
4195		4538
4196	void	4539	void
4197	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4540	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4198	{	4541	{
4199	if (lstat (w->path, &w->attr) < 0)	4542	if (lstat (w->path, &w->attr) < 0)
4200	w->attr.st_nlink = 0;	4543	w->attr.st_nlink = 0;
4201	else if (!w->attr.st_nlink)	4544	else if (!w->attr.st_nlink)
4202	w->attr.st_nlink = 1;	4545	w->attr.st_nlink = 1;
4203	}	4546	}
4204		4547
4205	static void noinline	4548	noinline
		4549	static void
4206	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4550	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4207	{	4551	{
4208	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4552	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4209		4553
4210	ev_statdata prev = w->attr;	4554	ev_statdata prev = w->attr;
…		…
4241	ev_feed_event (EV_A_ w, EV_STAT);	4585	ev_feed_event (EV_A_ w, EV_STAT);
4242	}	4586	}
4243	}	4587	}
4244		4588
4245	void	4589	void
4246	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4590	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4247	{	4591	{
4248	if (expect_false (ev_is_active (w)))	4592	if (expect_false (ev_is_active (w)))
4249	return;	4593	return;
4250		4594
4251	ev_stat_stat (EV_A_ w);	4595	ev_stat_stat (EV_A_ w);
…		…
4272		4616
4273	EV_FREQUENT_CHECK;	4617	EV_FREQUENT_CHECK;
4274	}	4618	}
4275		4619
4276	void	4620	void
4277	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4621	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4278	{	4622	{
4279	clear_pending (EV_A_ (W)w);	4623	clear_pending (EV_A_ (W)w);
4280	if (expect_false (!ev_is_active (w)))	4624	if (expect_false (!ev_is_active (w)))
4281	return;	4625	return;
4282		4626
…		…
4298	}	4642	}
4299	#endif	4643	#endif
4300		4644
4301	#if EV_IDLE_ENABLE	4645	#if EV_IDLE_ENABLE
4302	void	4646	void
4303	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4647	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4304	{	4648	{
4305	if (expect_false (ev_is_active (w)))	4649	if (expect_false (ev_is_active (w)))
4306	return;	4650	return;
4307		4651
4308	pri_adjust (EV_A_ (W)w);	4652	pri_adjust (EV_A_ (W)w);
…		…
4313	int active = ++idlecnt [ABSPRI (w)];	4657	int active = ++idlecnt [ABSPRI (w)];
4314		4658
4315	++idleall;	4659	++idleall;
4316	ev_start (EV_A_ (W)w, active);	4660	ev_start (EV_A_ (W)w, active);
4317		4661
4318	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4662	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4319	idles [ABSPRI (w)][active - 1] = w;	4663	idles [ABSPRI (w)][active - 1] = w;
4320	}	4664	}
4321		4665
4322	EV_FREQUENT_CHECK;	4666	EV_FREQUENT_CHECK;
4323	}	4667	}
4324		4668
4325	void	4669	void
4326	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4670	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4327	{	4671	{
4328	clear_pending (EV_A_ (W)w);	4672	clear_pending (EV_A_ (W)w);
4329	if (expect_false (!ev_is_active (w)))	4673	if (expect_false (!ev_is_active (w)))
4330	return;	4674	return;
4331		4675
…		…
4345	}	4689	}
4346	#endif	4690	#endif
4347		4691
4348	#if EV_PREPARE_ENABLE	4692	#if EV_PREPARE_ENABLE
4349	void	4693	void
4350	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4694	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4351	{	4695	{
4352	if (expect_false (ev_is_active (w)))	4696	if (expect_false (ev_is_active (w)))
4353	return;	4697	return;
4354		4698
4355	EV_FREQUENT_CHECK;	4699	EV_FREQUENT_CHECK;
4356		4700
4357	ev_start (EV_A_ (W)w, ++preparecnt);	4701	ev_start (EV_A_ (W)w, ++preparecnt);
4358	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4702	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4359	prepares [preparecnt - 1] = w;	4703	prepares [preparecnt - 1] = w;
4360		4704
4361	EV_FREQUENT_CHECK;	4705	EV_FREQUENT_CHECK;
4362	}	4706	}
4363		4707
4364	void	4708	void
4365	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4709	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4366	{	4710	{
4367	clear_pending (EV_A_ (W)w);	4711	clear_pending (EV_A_ (W)w);
4368	if (expect_false (!ev_is_active (w)))	4712	if (expect_false (!ev_is_active (w)))
4369	return;	4713	return;
4370		4714
…		…
4383	}	4727	}
4384	#endif	4728	#endif
4385		4729
4386	#if EV_CHECK_ENABLE	4730	#if EV_CHECK_ENABLE
4387	void	4731	void
4388	ev_check_start (EV_P_ ev_check *w) EV_THROW	4732	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4389	{	4733	{
4390	if (expect_false (ev_is_active (w)))	4734	if (expect_false (ev_is_active (w)))
4391	return;	4735	return;
4392		4736
4393	EV_FREQUENT_CHECK;	4737	EV_FREQUENT_CHECK;
4394		4738
4395	ev_start (EV_A_ (W)w, ++checkcnt);	4739	ev_start (EV_A_ (W)w, ++checkcnt);
4396	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4740	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4397	checks [checkcnt - 1] = w;	4741	checks [checkcnt - 1] = w;
4398		4742
4399	EV_FREQUENT_CHECK;	4743	EV_FREQUENT_CHECK;
4400	}	4744	}
4401		4745
4402	void	4746	void
4403	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4747	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4404	{	4748	{
4405	clear_pending (EV_A_ (W)w);	4749	clear_pending (EV_A_ (W)w);
4406	if (expect_false (!ev_is_active (w)))	4750	if (expect_false (!ev_is_active (w)))
4407	return;	4751	return;
4408		4752
…		…
4420	EV_FREQUENT_CHECK;	4764	EV_FREQUENT_CHECK;
4421	}	4765	}
4422	#endif	4766	#endif
4423		4767
4424	#if EV_EMBED_ENABLE	4768	#if EV_EMBED_ENABLE
4425	void noinline	4769	noinline
		4770	void
4426	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4771	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4427	{	4772	{
4428	ev_run (w->other, EVRUN_NOWAIT);	4773	ev_run (w->other, EVRUN_NOWAIT);
4429	}	4774	}
4430		4775
4431	static void	4776	static void
…		…
4479	ev_idle_stop (EV_A_ idle);	4824	ev_idle_stop (EV_A_ idle);
4480	}	4825	}
4481	#endif	4826	#endif
4482		4827
4483	void	4828	void
4484	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4829	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4485	{	4830	{
4486	if (expect_false (ev_is_active (w)))	4831	if (expect_false (ev_is_active (w)))
4487	return;	4832	return;
4488		4833
4489	{	4834	{
…		…
4510		4855
4511	EV_FREQUENT_CHECK;	4856	EV_FREQUENT_CHECK;
4512	}	4857	}
4513		4858
4514	void	4859	void
4515	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4860	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4516	{	4861	{
4517	clear_pending (EV_A_ (W)w);	4862	clear_pending (EV_A_ (W)w);
4518	if (expect_false (!ev_is_active (w)))	4863	if (expect_false (!ev_is_active (w)))
4519	return;	4864	return;
4520		4865
…		…
4530	}	4875	}
4531	#endif	4876	#endif
4532		4877
4533	#if EV_FORK_ENABLE	4878	#if EV_FORK_ENABLE
4534	void	4879	void
4535	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4880	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4536	{	4881	{
4537	if (expect_false (ev_is_active (w)))	4882	if (expect_false (ev_is_active (w)))
4538	return;	4883	return;
4539		4884
4540	EV_FREQUENT_CHECK;	4885	EV_FREQUENT_CHECK;
4541		4886
4542	ev_start (EV_A_ (W)w, ++forkcnt);	4887	ev_start (EV_A_ (W)w, ++forkcnt);
4543	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4888	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4544	forks [forkcnt - 1] = w;	4889	forks [forkcnt - 1] = w;
4545		4890
4546	EV_FREQUENT_CHECK;	4891	EV_FREQUENT_CHECK;
4547	}	4892	}
4548		4893
4549	void	4894	void
4550	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4895	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4551	{	4896	{
4552	clear_pending (EV_A_ (W)w);	4897	clear_pending (EV_A_ (W)w);
4553	if (expect_false (!ev_is_active (w)))	4898	if (expect_false (!ev_is_active (w)))
4554	return;	4899	return;
4555		4900
…		…
4568	}	4913	}
4569	#endif	4914	#endif
4570		4915
4571	#if EV_CLEANUP_ENABLE	4916	#if EV_CLEANUP_ENABLE
4572	void	4917	void
4573	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4918	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4574	{	4919	{
4575	if (expect_false (ev_is_active (w)))	4920	if (expect_false (ev_is_active (w)))
4576	return;	4921	return;
4577		4922
4578	EV_FREQUENT_CHECK;	4923	EV_FREQUENT_CHECK;
4579		4924
4580	ev_start (EV_A_ (W)w, ++cleanupcnt);	4925	ev_start (EV_A_ (W)w, ++cleanupcnt);
4581	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	4926	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4582	cleanups [cleanupcnt - 1] = w;	4927	cleanups [cleanupcnt - 1] = w;
4583		4928
4584	/* cleanup watchers should never keep a refcount on the loop */	4929	/* cleanup watchers should never keep a refcount on the loop */
4585	ev_unref (EV_A);	4930	ev_unref (EV_A);
4586	EV_FREQUENT_CHECK;	4931	EV_FREQUENT_CHECK;
4587	}	4932	}
4588		4933
4589	void	4934	void
4590	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4935	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4591	{	4936	{
4592	clear_pending (EV_A_ (W)w);	4937	clear_pending (EV_A_ (W)w);
4593	if (expect_false (!ev_is_active (w)))	4938	if (expect_false (!ev_is_active (w)))
4594	return;	4939	return;
4595		4940
…		…
4609	}	4954	}
4610	#endif	4955	#endif
4611		4956
4612	#if EV_ASYNC_ENABLE	4957	#if EV_ASYNC_ENABLE
4613	void	4958	void
4614	ev_async_start (EV_P_ ev_async *w) EV_THROW	4959	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4615	{	4960	{
4616	if (expect_false (ev_is_active (w)))	4961	if (expect_false (ev_is_active (w)))
4617	return;	4962	return;
4618		4963
4619	w->sent = 0;	4964	w->sent = 0;
…		…
4621	evpipe_init (EV_A);	4966	evpipe_init (EV_A);
4622		4967
4623	EV_FREQUENT_CHECK;	4968	EV_FREQUENT_CHECK;
4624		4969
4625	ev_start (EV_A_ (W)w, ++asynccnt);	4970	ev_start (EV_A_ (W)w, ++asynccnt);
4626	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	4971	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4627	asyncs [asynccnt - 1] = w;	4972	asyncs [asynccnt - 1] = w;
4628		4973
4629	EV_FREQUENT_CHECK;	4974	EV_FREQUENT_CHECK;
4630	}	4975	}
4631		4976
4632	void	4977	void
4633	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4978	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4634	{	4979	{
4635	clear_pending (EV_A_ (W)w);	4980	clear_pending (EV_A_ (W)w);
4636	if (expect_false (!ev_is_active (w)))	4981	if (expect_false (!ev_is_active (w)))
4637	return;	4982	return;
4638		4983
…		…
4649		4994
4650	EV_FREQUENT_CHECK;	4995	EV_FREQUENT_CHECK;
4651	}	4996	}
4652		4997
4653	void	4998	void
4654	ev_async_send (EV_P_ ev_async *w) EV_THROW	4999	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4655	{	5000	{
4656	w->sent = 1;	5001	w->sent = 1;
4657	evpipe_write (EV_A_ &async_pending);	5002	evpipe_write (EV_A_ &async_pending);
4658	}	5003	}
4659	#endif	5004	#endif
…		…
4696		5041
4697	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5042	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4698	}	5043	}
4699		5044
4700	void	5045	void
4701	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5046	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4702	{	5047	{
4703	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5048	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		5049
4711	once->cb = cb;	5050	once->cb = cb;
4712	once->arg = arg;	5051	once->arg = arg;
4713		5052
4714	ev_init (&once->io, once_cb_io);	5053	ev_init (&once->io, once_cb_io);
…		…
4727	}	5066	}
4728		5067
4729	/*****************************************************************************/	5068	/*****************************************************************************/
4730		5069
4731	#if EV_WALK_ENABLE	5070	#if EV_WALK_ENABLE
4732	void ecb_cold	5071	ecb_cold
		5072	void
4733	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5073	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4734	{	5074	{
4735	int i, j;	5075	int i, j;
4736	ev_watcher_list *wl, *wn;	5076	ev_watcher_list *wl, *wn;
4737		5077
4738	if (types & (EV_IO | EV_EMBED))	5078	if (types & (EV_IO | EV_EMBED))

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