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Comparing libev/ev.c (file contents):
Revision 1.454 by root, Fri Mar 1 11:13:22 2013 UTC vs.
Revision 1.492 by root, Sat Jun 22 16:25:53 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 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
…		…
241	#elif defined SIGARRAYSIZE	252	#elif defined SIGARRAYSIZE
242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	253	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
243	#elif defined _sys_nsig	254	#elif defined _sys_nsig
244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	255	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
245	#else	256	#else
246	# error "unable to find value for NSIG, please report"	257	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
247	/* to make it compile regardless, just remove the above line, */
248	/* but consider reporting it, too! :) */
249	# define EV_NSIG 65
250	#endif	258	#endif
251		259
252	#ifndef EV_USE_FLOOR	260	#ifndef EV_USE_FLOOR
253	# define EV_USE_FLOOR 0	261	# define EV_USE_FLOOR 0
254	#endif	262	#endif
255		263
256	#ifndef EV_USE_CLOCK_SYSCALL	264	#ifndef EV_USE_CLOCK_SYSCALL
257	# if __linux && __GLIBC__ >= 2	265	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
258	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	266	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
259	# else	267	# else
260	# define EV_USE_CLOCK_SYSCALL 0	268	# define EV_USE_CLOCK_SYSCALL 0
		269	# endif
		270	#endif
		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
261	# endif	278	# endif
262	#endif	279	#endif
263		280
264	#ifndef EV_USE_MONOTONIC	281	#ifndef EV_USE_MONOTONIC
265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	282	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
…		…
307		324
308	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
309	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
310	#endif	327	#endif
311		328
		329	#ifndef EV_USE_LINUXAIO
		330	# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
		331	# define EV_USE_LINUXAIO 1
		332	# else
		333	# define EV_USE_LINUXAIO 0
		334	# endif
		335	#endif
		336
312	#ifndef EV_USE_INOTIFY	337	#ifndef EV_USE_INOTIFY
313	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	338	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
314	# define EV_USE_INOTIFY EV_FEATURE_OS	339	# define EV_USE_INOTIFY EV_FEATURE_OS
315	# else	340	# else
316	# define EV_USE_INOTIFY 0	341	# define EV_USE_INOTIFY 0
…		…
357		382
358	#ifndef EV_HEAP_CACHE_AT	383	#ifndef EV_HEAP_CACHE_AT
359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	384	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
360	#endif	385	#endif
361		386
362	#ifdef ANDROID	387	#ifdef __ANDROID__
363	/* supposedly, android doesn't typedef fd_mask */	388	/* supposedly, android doesn't typedef fd_mask */
364	# undef EV_USE_SELECT	389	# undef EV_USE_SELECT
365	# define EV_USE_SELECT 0	390	# define EV_USE_SELECT 0
366	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	391	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
367	# undef EV_USE_CLOCK_SYSCALL	392	# undef EV_USE_CLOCK_SYSCALL
…		…
371	/* aix's poll.h seems to cause lots of trouble */	396	/* aix's poll.h seems to cause lots of trouble */
372	#ifdef _AIX	397	#ifdef _AIX
373	/* AIX has a completely broken poll.h header */	398	/* AIX has a completely broken poll.h header */
374	# undef EV_USE_POLL	399	# undef EV_USE_POLL
375	# define EV_USE_POLL 0	400	# define EV_USE_POLL 0
		401	#endif
		402
		403	#if EV_USE_LINUXAIO
		404	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
376	#endif	405	#endif
377		406
378	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	407	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
379	/* which makes programs even slower. might work on other unices, too. */	408	/* which makes programs even slower. might work on other unices, too. */
380	#if EV_USE_CLOCK_SYSCALL	409	#if EV_USE_CLOCK_SYSCALL
…		…
408		437
409	#if !EV_USE_NANOSLEEP	438	#if !EV_USE_NANOSLEEP
410	/* hp-ux has it in sys/time.h, which we unconditionally include above */	439	/* hp-ux has it in sys/time.h, which we unconditionally include above */
411	# if !defined _WIN32 && !defined __hpux	440	# if !defined _WIN32 && !defined __hpux
412	# include <sys/select.h>	441	# include <sys/select.h>
		442	# endif
		443	#endif
		444
		445	#if EV_USE_LINUXAIO
		446	# include <sys/syscall.h>
		447	# if !SYS_io_getevents
		448	# undef EV_USE_LINUXAIO
		449	# define EV_USE_LINUXAIO 0
413	# endif	450	# endif
414	#endif	451	#endif
415		452
416	#if EV_USE_INOTIFY	453	#if EV_USE_INOTIFY
417	# include <sys/statfs.h>	454	# include <sys/statfs.h>
…		…
485	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	522	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
486	/* ECB.H BEGIN */	523	/* ECB.H BEGIN */
487	/*	524	/*
488	* libecb - http://software.schmorp.de/pkg/libecb	525	* libecb - http://software.schmorp.de/pkg/libecb
489	*	526	*
490	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>	527	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
491	* Copyright (©) 2011 Emanuele Giaquinta	528	* Copyright (©) 2011 Emanuele Giaquinta
492	* All rights reserved.	529	* All rights reserved.
493	*	530	*
494	* Redistribution and use in source and binary forms, with or without modifica-	531	* Redistribution and use in source and binary forms, with or without modifica-
495	* tion, are permitted provided that the following conditions are met:	532	* tion, are permitted provided that the following conditions are met:
…		…
509	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	546	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
510	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	547	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
511	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	548	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
512	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED	549	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
513	* OF THE POSSIBILITY OF SUCH DAMAGE.	550	* OF THE POSSIBILITY OF SUCH DAMAGE.
		551	*
		552	* Alternatively, the contents of this file may be used under the terms of
		553	* the GNU General Public License ("GPL") version 2 or any later version,
		554	* in which case the provisions of the GPL are applicable instead of
		555	* the above. If you wish to allow the use of your version of this file
		556	* only under the terms of the GPL and not to allow others to use your
		557	* version of this file under the BSD license, indicate your decision
		558	* by deleting the provisions above and replace them with the notice
		559	* and other provisions required by the GPL. If you do not delete the
		560	* provisions above, a recipient may use your version of this file under
		561	* either the BSD or the GPL.
514	*/	562	*/
515		563
516	#ifndef ECB_H	564	#ifndef ECB_H
517	#define ECB_H	565	#define ECB_H
518		566
519	/* 16 bits major, 16 bits minor */	567	/* 16 bits major, 16 bits minor */
520	#define ECB_VERSION 0x00010003	568	#define ECB_VERSION 0x00010005
521		569
522	#ifdef _WIN32	570	#ifdef _WIN32
523	typedef signed char int8_t;	571	typedef signed char int8_t;
524	typedef unsigned char uint8_t;	572	typedef unsigned char uint8_t;
525	typedef signed short int16_t;	573	typedef signed short int16_t;
…		…
542	typedef uint32_t uintptr_t;	590	typedef uint32_t uintptr_t;
543	typedef int32_t intptr_t;	591	typedef int32_t intptr_t;
544	#endif	592	#endif
545	#else	593	#else
546	#include <inttypes.h>	594	#include <inttypes.h>
547	#if UINTMAX_MAX > 0xffffffffU	595	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
548	#define ECB_PTRSIZE 8	596	#define ECB_PTRSIZE 8
549	#else	597	#else
550	#define ECB_PTRSIZE 4	598	#define ECB_PTRSIZE 4
551	#endif	599	#endif
552	#endif	600	#endif
553		601
		602	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		603	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		604
554	/* work around x32 idiocy by defining proper macros */	605	/* work around x32 idiocy by defining proper macros */
555	#if __x86_64 || _M_AMD64	606	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
556	#if __ILP32	607	#if _ILP32
557	#define ECB_AMD64_X32 1	608	#define ECB_AMD64_X32 1
558	#else	609	#else
559	#define ECB_AMD64 1	610	#define ECB_AMD64 1
560	#endif	611	#endif
561	#endif	612	#endif
…		…
565	* causing enormous grief in return for some better fake benchmark numbers.	616	* causing enormous grief in return for some better fake benchmark numbers.
566	* or so.	617	* or so.
567	* we try to detect these and simply assume they are not gcc - if they have	618	* we try to detect these and simply assume they are not gcc - if they have
568	* an issue with that they should have done it right in the first place.	619	* an issue with that they should have done it right in the first place.
569	*/	620	*/
570	#ifndef ECB_GCC_VERSION
571	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	621	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
572	#define ECB_GCC_VERSION(major,minor) 0	622	#define ECB_GCC_VERSION(major,minor) 0
573	#else	623	#else
574	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	624	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
575	#endif	625	#endif
576	#endif
577		626
578	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */	627	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
579	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	628
580	#define ECB_C11 (__STDC_VERSION__ >= 201112L)	629	#if __clang__ && defined __has_builtin
		630	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		631	#else
		632	#define ECB_CLANG_BUILTIN(x) 0
		633	#endif
		634
		635	#if __clang__ && defined __has_extension
		636	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		637	#else
		638	#define ECB_CLANG_EXTENSION(x) 0
		639	#endif
		640
581	#define ECB_CPP (__cplusplus+0)	641	#define ECB_CPP (__cplusplus+0)
582	#define ECB_CPP11 (__cplusplus >= 201103L)	642	#define ECB_CPP11 (__cplusplus >= 201103L)
		643	#define ECB_CPP14 (__cplusplus >= 201402L)
		644	#define ECB_CPP17 (__cplusplus >= 201703L)
		645
		646	#if ECB_CPP
		647	#define ECB_C 0
		648	#define ECB_STDC_VERSION 0
		649	#else
		650	#define ECB_C 1
		651	#define ECB_STDC_VERSION __STDC_VERSION__
		652	#endif
		653
		654	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		655	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		656	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
583		657
584	#if ECB_CPP	658	#if ECB_CPP
585	#define ECB_EXTERN_C extern "C"	659	#define ECB_EXTERN_C extern "C"
586	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	660	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
587	#define ECB_EXTERN_C_END }	661	#define ECB_EXTERN_C_END }
…		…
600	#define ECB_NO_SMP 1	674	#define ECB_NO_SMP 1
601	#endif	675	#endif
602		676
603	#if ECB_NO_SMP	677	#if ECB_NO_SMP
604	#define ECB_MEMORY_FENCE do { } while (0)	678	#define ECB_MEMORY_FENCE do { } while (0)
		679	#endif
		680
		681	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		682	#if __xlC__ && ECB_CPP
		683	#include <builtins.h>
		684	#endif
		685
		686	#if 1400 <= _MSC_VER
		687	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
605	#endif	688	#endif
606		689
607	#ifndef ECB_MEMORY_FENCE	690	#ifndef ECB_MEMORY_FENCE
608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	691	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
609	#if __i386 || __i386__	692	#if __i386 || __i386__
610	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	693	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
611	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	694	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
612	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	695	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
613	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	696	#elif ECB_GCC_AMD64
614	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	697	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
615	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	698	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
616	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	699	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
617	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	700	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	701	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		702	#elif defined __ARM_ARCH_2__ \
		703	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		704	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		705	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		706	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		707	|| defined __ARM_ARCH_5TEJ__
		708	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
619	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	709	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
620	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	710	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		711	|| defined __ARM_ARCH_6T2__
621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	712	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
622	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	713	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
623	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	714	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
624	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	715	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
625	#elif __sparc || __sparc__	716	#elif __aarch64__
		717	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		718	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	719	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	720	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	721	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
629	#elif defined __s390__ || defined __s390x__	722	#elif defined __s390__ || defined __s390x__
630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	723	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
631	#elif defined __mips__	724	#elif defined __mips__
		725	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		726	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
632	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	727	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
633	#elif defined __alpha__	728	#elif defined __alpha__
634	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")	729	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
635	#elif defined __hppa__	730	#elif defined __hppa__
636	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")	731	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
637	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	732	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
638	#elif defined __ia64__	733	#elif defined __ia64__
639	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")	734	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		735	#elif defined __m68k__
		736	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		737	#elif defined __m88k__
		738	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		739	#elif defined __sh__
		740	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
640	#endif	741	#endif
641	#endif	742	#endif
642	#endif	743	#endif
643		744
644	#ifndef ECB_MEMORY_FENCE	745	#ifndef ECB_MEMORY_FENCE
645	#if ECB_GCC_VERSION(4,7)	746	#if ECB_GCC_VERSION(4,7)
646	/* see comment below (stdatomic.h) about the C11 memory model. */	747	/* see comment below (stdatomic.h) about the C11 memory model. */
647	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	748	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		749	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		750	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
648		751
649	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	752	#elif ECB_CLANG_EXTENSION(c_atomic)
650	* without risking compile time errors with other compilers. We *could*
651	* define our own ecb_clang_has_feature, but I just can't be bothered to work
652	* around this shit time and again.
653	* #elif defined __clang && __has_feature (cxx_atomic)
654	* // see comment below (stdatomic.h) about the C11 memory model.	753	/* see comment below (stdatomic.h) about the C11 memory model. */
655	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	754	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
656	*/	755	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		756	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
657		757
658	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	758	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
659	#define ECB_MEMORY_FENCE __sync_synchronize ()	759	#define ECB_MEMORY_FENCE __sync_synchronize ()
		760	#elif _MSC_VER >= 1500 /* VC++ 2008 */
		761	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		762	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		763	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		764	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		765	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
660	#elif _MSC_VER >= 1400 /* VC++ 2005 */	766	#elif _MSC_VER >= 1400 /* VC++ 2005 */
661	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	767	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
662	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	768	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
663	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	769	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
664	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	770	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
…		…
684	/* any fence other than seq_cst, which isn't very efficient for us. */	790	/* any fence other than seq_cst, which isn't very efficient for us. */
685	/* Why that is, we don't know - either the C11 memory model is quite useless */	791	/* Why that is, we don't know - either the C11 memory model is quite useless */
686	/* for most usages, or gcc and clang have a bug */	792	/* for most usages, or gcc and clang have a bug */
687	/* I *currently* lean towards the latter, and inefficiently implement */	793	/* I *currently* lean towards the latter, and inefficiently implement */
688	/* all three of ecb's fences as a seq_cst fence */	794	/* all three of ecb's fences as a seq_cst fence */
		795	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		796	/* for all __atomic_thread_fence's except seq_cst */
689	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	797	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
690	#endif	798	#endif
691	#endif	799	#endif
692		800
693	#ifndef ECB_MEMORY_FENCE	801	#ifndef ECB_MEMORY_FENCE
…		…
716	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	824	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
717	#endif	825	#endif
718		826
719	/*****************************************************************************/	827	/*****************************************************************************/
720		828
721	#if __cplusplus	829	#if ECB_CPP
722	#define ecb_inline static inline	830	#define ecb_inline static inline
723	#elif ECB_GCC_VERSION(2,5)	831	#elif ECB_GCC_VERSION(2,5)
724	#define ecb_inline static __inline__	832	#define ecb_inline static __inline__
725	#elif ECB_C99	833	#elif ECB_C99
726	#define ecb_inline static inline	834	#define ecb_inline static inline
…		…
740		848
741	#define ECB_CONCAT_(a, b) a ## b	849	#define ECB_CONCAT_(a, b) a ## b
742	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	850	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
743	#define ECB_STRINGIFY_(a) # a	851	#define ECB_STRINGIFY_(a) # a
744	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	852	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		853	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
745		854
746	#define ecb_function_ ecb_inline	855	#define ecb_function_ ecb_inline
747		856
748	#if ECB_GCC_VERSION(3,1)	857	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
749	#define ecb_attribute(attrlist) __attribute__(attrlist)	858	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		859	#else
		860	#define ecb_attribute(attrlist)
		861	#endif
		862
		863	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
750	#define ecb_is_constant(expr) __builtin_constant_p (expr)	864	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		865	#else
		866	/* possible C11 impl for integral types
		867	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		868	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		869
		870	#define ecb_is_constant(expr) 0
		871	#endif
		872
		873	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
751	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	874	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		875	#else
		876	#define ecb_expect(expr,value) (expr)
		877	#endif
		878
		879	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
752	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	880	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
753	#else	881	#else
754	#define ecb_attribute(attrlist)
755	#define ecb_is_constant(expr) 0
756	#define ecb_expect(expr,value) (expr)
757	#define ecb_prefetch(addr,rw,locality)	882	#define ecb_prefetch(addr,rw,locality)
758	#endif	883	#endif
759		884
760	/* no emulation for ecb_decltype */	885	/* no emulation for ecb_decltype */
761	#if ECB_GCC_VERSION(4,5)	886	#if ECB_CPP11
		887	// older implementations might have problems with decltype(x)::type, work around it
		888	template<class T> struct ecb_decltype_t { typedef T type; };
762	#define ecb_decltype(x) __decltype(x)	889	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
763	#elif ECB_GCC_VERSION(3,0)	890	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
764	#define ecb_decltype(x) __typeof(x)	891	#define ecb_decltype(x) __typeof__ (x)
765	#endif	892	#endif
766		893
		894	#if _MSC_VER >= 1300
		895	#define ecb_deprecated __declspec (deprecated)
		896	#else
		897	#define ecb_deprecated ecb_attribute ((__deprecated__))
		898	#endif
		899
		900	#if _MSC_VER >= 1500
		901	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		902	#elif ECB_GCC_VERSION(4,5)
		903	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		904	#else
		905	#define ecb_deprecated_message(msg) ecb_deprecated
		906	#endif
		907
		908	#if _MSC_VER >= 1400
		909	#define ecb_noinline __declspec (noinline)
		910	#else
767	#define ecb_noinline ecb_attribute ((__noinline__))	911	#define ecb_noinline ecb_attribute ((__noinline__))
		912	#endif
		913
768	#define ecb_unused ecb_attribute ((__unused__))	914	#define ecb_unused ecb_attribute ((__unused__))
769	#define ecb_const ecb_attribute ((__const__))	915	#define ecb_const ecb_attribute ((__const__))
770	#define ecb_pure ecb_attribute ((__pure__))	916	#define ecb_pure ecb_attribute ((__pure__))
771		917
772	#if ECB_C11	918	#if ECB_C11 || __IBMC_NORETURN
		919	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
773	#define ecb_noreturn _Noreturn	920	#define ecb_noreturn _Noreturn
		921	#elif ECB_CPP11
		922	#define ecb_noreturn [[noreturn]]
		923	#elif _MSC_VER >= 1200
		924	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		925	#define ecb_noreturn __declspec (noreturn)
774	#else	926	#else
775	#define ecb_noreturn ecb_attribute ((__noreturn__))	927	#define ecb_noreturn ecb_attribute ((__noreturn__))
776	#endif	928	#endif
777		929
778	#if ECB_GCC_VERSION(4,3)	930	#if ECB_GCC_VERSION(4,3)
…		…
793	/* for compatibility to the rest of the world */	945	/* for compatibility to the rest of the world */
794	#define ecb_likely(expr) ecb_expect_true (expr)	946	#define ecb_likely(expr) ecb_expect_true (expr)
795	#define ecb_unlikely(expr) ecb_expect_false (expr)	947	#define ecb_unlikely(expr) ecb_expect_false (expr)
796		948
797	/* count trailing zero bits and count # of one bits */	949	/* count trailing zero bits and count # of one bits */
798	#if ECB_GCC_VERSION(3,4)	950	#if ECB_GCC_VERSION(3,4) \
		951	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		952	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		953	&& ECB_CLANG_BUILTIN(__builtin_popcount))
799	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	954	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
800	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	955	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
801	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	956	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
802	#define ecb_ctz32(x) __builtin_ctz (x)	957	#define ecb_ctz32(x) __builtin_ctz (x)
803	#define ecb_ctz64(x) __builtin_ctzll (x)	958	#define ecb_ctz64(x) __builtin_ctzll (x)
804	#define ecb_popcount32(x) __builtin_popcount (x)	959	#define ecb_popcount32(x) __builtin_popcount (x)
805	/* no popcountll */	960	/* no popcountll */
806	#else	961	#else
807	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	962	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
808	ecb_function_ int	963	ecb_function_ ecb_const int
809	ecb_ctz32 (uint32_t x)	964	ecb_ctz32 (uint32_t x)
810	{	965	{
		966	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		967	unsigned long r;
		968	_BitScanForward (&r, x);
		969	return (int)r;
		970	#else
811	int r = 0;	971	int r = 0;
812		972
813	x &= ~x + 1; /* this isolates the lowest bit */	973	x &= ~x + 1; /* this isolates the lowest bit */
814		974
815	#if ECB_branchless_on_i386	975	#if ECB_branchless_on_i386
…		…
825	if (x & 0xff00ff00) r += 8;	985	if (x & 0xff00ff00) r += 8;
826	if (x & 0xffff0000) r += 16;	986	if (x & 0xffff0000) r += 16;
827	#endif	987	#endif
828		988
829	return r;	989	return r;
		990	#endif
830	}	991	}
831		992
832	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	993	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
833	ecb_function_ int	994	ecb_function_ ecb_const int
834	ecb_ctz64 (uint64_t x)	995	ecb_ctz64 (uint64_t x)
835	{	996	{
		997	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		998	unsigned long r;
		999	_BitScanForward64 (&r, x);
		1000	return (int)r;
		1001	#else
836	int shift = x & 0xffffffffU ? 0 : 32;	1002	int shift = x & 0xffffffff ? 0 : 32;
837	return ecb_ctz32 (x >> shift) + shift;	1003	return ecb_ctz32 (x >> shift) + shift;
		1004	#endif
838	}	1005	}
839		1006
840	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1007	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
841	ecb_function_ int	1008	ecb_function_ ecb_const int
842	ecb_popcount32 (uint32_t x)	1009	ecb_popcount32 (uint32_t x)
843	{	1010	{
844	x -= (x >> 1) & 0x55555555;	1011	x -= (x >> 1) & 0x55555555;
845	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1012	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
846	x = ((x >> 4) + x) & 0x0f0f0f0f;	1013	x = ((x >> 4) + x) & 0x0f0f0f0f;
847	x *= 0x01010101;	1014	x *= 0x01010101;
848		1015
849	return x >> 24;	1016	return x >> 24;
850	}	1017	}
851		1018
852	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1019	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
853	ecb_function_ int ecb_ld32 (uint32_t x)	1020	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
854	{	1021	{
		1022	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1023	unsigned long r;
		1024	_BitScanReverse (&r, x);
		1025	return (int)r;
		1026	#else
855	int r = 0;	1027	int r = 0;
856		1028
857	if (x >> 16) { x >>= 16; r += 16; }	1029	if (x >> 16) { x >>= 16; r += 16; }
858	if (x >> 8) { x >>= 8; r += 8; }	1030	if (x >> 8) { x >>= 8; r += 8; }
859	if (x >> 4) { x >>= 4; r += 4; }	1031	if (x >> 4) { x >>= 4; r += 4; }
860	if (x >> 2) { x >>= 2; r += 2; }	1032	if (x >> 2) { x >>= 2; r += 2; }
861	if (x >> 1) { r += 1; }	1033	if (x >> 1) { r += 1; }
862		1034
863	return r;	1035	return r;
		1036	#endif
864	}	1037	}
865		1038
866	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1039	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
867	ecb_function_ int ecb_ld64 (uint64_t x)	1040	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
868	{	1041	{
		1042	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1043	unsigned long r;
		1044	_BitScanReverse64 (&r, x);
		1045	return (int)r;
		1046	#else
869	int r = 0;	1047	int r = 0;
870		1048
871	if (x >> 32) { x >>= 32; r += 32; }	1049	if (x >> 32) { x >>= 32; r += 32; }
872		1050
873	return r + ecb_ld32 (x);	1051	return r + ecb_ld32 (x);
		1052	#endif
874	}	1053	}
875	#endif	1054	#endif
876		1055
877	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1056	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
878	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1057	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
879	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1058	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
880	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1059	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
881		1060
882	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1061	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
883	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1062	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
884	{	1063	{
885	return ( (x * 0x0802U & 0x22110U)	1064	return ( (x * 0x0802U & 0x22110U)
886	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1065	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
887	}	1066	}
888		1067
889	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1068	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
890	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1069	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
891	{	1070	{
892	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1071	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
893	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1072	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
894	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1073	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
895	x = ( x >> 8 ) | ( x << 8);	1074	x = ( x >> 8 ) | ( x << 8);
896		1075
897	return x;	1076	return x;
898	}	1077	}
899		1078
900	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1079	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
901	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1080	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
902	{	1081	{
903	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1082	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
904	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1083	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
905	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1084	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
906	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1085	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
909	return x;	1088	return x;
910	}	1089	}
911		1090
912	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1091	/* popcount64 is only available on 64 bit cpus as gcc builtin */
913	/* so for this version we are lazy */	1092	/* so for this version we are lazy */
914	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1093	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
915	ecb_function_ int	1094	ecb_function_ ecb_const int
916	ecb_popcount64 (uint64_t x)	1095	ecb_popcount64 (uint64_t x)
917	{	1096	{
918	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1097	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
919	}	1098	}
920		1099
921	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1100	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
922	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1101	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
923	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1102	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
924	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1103	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
925	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1104	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
926	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1105	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
927	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1106	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
928	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1107	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
929		1108
930	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1109	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
931	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1110	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
932	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1111	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
933	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1112	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
934	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1113	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
935	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1114	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
936	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1115	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
937	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1116	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
938		1117
939	#if ECB_GCC_VERSION(4,3)	1118	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1119	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1120	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1121	#else
940	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1122	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1123	#endif
941	#define ecb_bswap32(x) __builtin_bswap32 (x)	1124	#define ecb_bswap32(x) __builtin_bswap32 (x)
942	#define ecb_bswap64(x) __builtin_bswap64 (x)	1125	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1126	#elif _MSC_VER
		1127	#include <stdlib.h>
		1128	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1129	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1130	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
943	#else	1131	#else
944	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1132	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
945	ecb_function_ uint16_t	1133	ecb_function_ ecb_const uint16_t
946	ecb_bswap16 (uint16_t x)	1134	ecb_bswap16 (uint16_t x)
947	{	1135	{
948	return ecb_rotl16 (x, 8);	1136	return ecb_rotl16 (x, 8);
949	}	1137	}
950		1138
951	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1139	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
952	ecb_function_ uint32_t	1140	ecb_function_ ecb_const uint32_t
953	ecb_bswap32 (uint32_t x)	1141	ecb_bswap32 (uint32_t x)
954	{	1142	{
955	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1143	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
956	}	1144	}
957		1145
958	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1146	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
959	ecb_function_ uint64_t	1147	ecb_function_ ecb_const uint64_t
960	ecb_bswap64 (uint64_t x)	1148	ecb_bswap64 (uint64_t x)
961	{	1149	{
962	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1150	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
963	}	1151	}
964	#endif	1152	#endif
965		1153
966	#if ECB_GCC_VERSION(4,5)	1154	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
967	#define ecb_unreachable() __builtin_unreachable ()	1155	#define ecb_unreachable() __builtin_unreachable ()
968	#else	1156	#else
969	/* this seems to work fine, but gcc always emits a warning for it :/ */	1157	/* this seems to work fine, but gcc always emits a warning for it :/ */
970	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1158	ecb_inline ecb_noreturn void ecb_unreachable (void);
971	ecb_inline void ecb_unreachable (void) { }	1159	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
972	#endif	1160	#endif
973		1161
974	/* try to tell the compiler that some condition is definitely true */	1162	/* try to tell the compiler that some condition is definitely true */
975	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1163	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
976		1164
977	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1165	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
978	ecb_inline unsigned char	1166	ecb_inline ecb_const uint32_t
979	ecb_byteorder_helper (void)	1167	ecb_byteorder_helper (void)
980	{	1168	{
981	/* the union code still generates code under pressure in gcc, */	1169	/* the union code still generates code under pressure in gcc, */
982	/* but less than using pointers, and always seems to */	1170	/* but less than using pointers, and always seems to */
983	/* successfully return a constant. */	1171	/* successfully return a constant. */
984	/* the reason why we have this horrible preprocessor mess */	1172	/* the reason why we have this horrible preprocessor mess */
985	/* is to avoid it in all cases, at least on common architectures */	1173	/* is to avoid it in all cases, at least on common architectures */
986	/* or when using a recent enough gcc version (>= 4.6) */	1174	/* or when using a recent enough gcc version (>= 4.6) */
987	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
988	return 0x44;
989	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1175	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1176	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1177	#define ECB_LITTLE_ENDIAN 1
990	return 0x44;	1178	return 0x44332211;
991	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1179	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1180	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1181	#define ECB_BIG_ENDIAN 1
992	return 0x11;	1182	return 0x11223344;
993	#else	1183	#else
994	union	1184	union
995	{	1185	{
		1186	uint8_t c[4];
996	uint32_t i;	1187	uint32_t u;
997	uint8_t c;
998	} u = { 0x11223344 };	1188	} u = { 0x11, 0x22, 0x33, 0x44 };
999	return u.c;	1189	return u.u;
1000	#endif	1190	#endif
1001	}	1191	}
1002		1192
1003	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1193	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1004	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1194	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1005	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1195	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1006	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1196	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1007		1197
1008	#if ECB_GCC_VERSION(3,0) || ECB_C99	1198	#if ECB_GCC_VERSION(3,0) || ECB_C99
1009	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1199	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1010	#else	1200	#else
1011	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1201	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1012	#endif	1202	#endif
1013		1203
1014	#if __cplusplus	1204	#if ECB_CPP
1015	template<typename T>	1205	template<typename T>
1016	static inline T ecb_div_rd (T val, T div)	1206	static inline T ecb_div_rd (T val, T div)
1017	{	1207	{
1018	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1208	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1019	}	1209	}
…		…
1036	}	1226	}
1037	#else	1227	#else
1038	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1228	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1039	#endif	1229	#endif
1040		1230
		1231	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1232	ecb_function_ ecb_const uint32_t
		1233	ecb_binary16_to_binary32 (uint32_t x)
		1234	{
		1235	unsigned int s = (x & 0x8000) << (31 - 15);
		1236	int e = (x >> 10) & 0x001f;
		1237	unsigned int m = x & 0x03ff;
		1238
		1239	if (ecb_expect_false (e == 31))
		1240	/* infinity or NaN */
		1241	e = 255 - (127 - 15);
		1242	else if (ecb_expect_false (!e))
		1243	{
		1244	if (ecb_expect_true (!m))
		1245	/* zero, handled by code below by forcing e to 0 */
		1246	e = 0 - (127 - 15);
		1247	else
		1248	{
		1249	/* subnormal, renormalise */
		1250	unsigned int s = 10 - ecb_ld32 (m);
		1251
		1252	m = (m << s) & 0x3ff; /* mask implicit bit */
		1253	e -= s - 1;
		1254	}
		1255	}
		1256
		1257	/* e and m now are normalised, or zero, (or inf or nan) */
		1258	e += 127 - 15;
		1259
		1260	return s | (e << 23) | (m << (23 - 10));
		1261	}
		1262
		1263	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1264	ecb_function_ ecb_const uint16_t
		1265	ecb_binary32_to_binary16 (uint32_t x)
		1266	{
		1267	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1268	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1269	unsigned int m = x & 0x007fffff;
		1270
		1271	x &= 0x7fffffff;
		1272
		1273	/* if it's within range of binary16 normals, use fast path */
		1274	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1275	{
		1276	/* mantissa round-to-even */
		1277	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1278
		1279	/* handle overflow */
		1280	if (ecb_expect_false (m >= 0x00800000))
		1281	{
		1282	m >>= 1;
		1283	e += 1;
		1284	}
		1285
		1286	return s | (e << 10) | (m >> (23 - 10));
		1287	}
		1288
		1289	/* handle large numbers and infinity */
		1290	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1291	return s | 0x7c00;
		1292
		1293	/* handle zero, subnormals and small numbers */
		1294	if (ecb_expect_true (x < 0x38800000))
		1295	{
		1296	/* zero */
		1297	if (ecb_expect_true (!x))
		1298	return s;
		1299
		1300	/* handle subnormals */
		1301
		1302	/* too small, will be zero */
		1303	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1304	return s;
		1305
		1306	m |= 0x00800000; /* make implicit bit explicit */
		1307
		1308	/* very tricky - we need to round to the nearest e (+10) bit value */
		1309	{
		1310	unsigned int bits = 14 - e;
		1311	unsigned int half = (1 << (bits - 1)) - 1;
		1312	unsigned int even = (m >> bits) & 1;
		1313
		1314	/* if this overflows, we will end up with a normalised number */
		1315	m = (m + half + even) >> bits;
		1316	}
		1317
		1318	return s | m;
		1319	}
		1320
		1321	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1322	m >>= 13;
		1323
		1324	return s | 0x7c00 | m | !m;
		1325	}
		1326
1041	/*******************************************************************************/	1327	/*******************************************************************************/
1042	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1328	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1043		1329
1044	/* basically, everything uses "ieee pure-endian" floating point numbers */	1330	/* basically, everything uses "ieee pure-endian" floating point numbers */
1045	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1331	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1046	#if 0 \	1332	#if 0 \
1047	|| __i386 || __i386__ \	1333	|| __i386 || __i386__ \
1048	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1334	|| ECB_GCC_AMD64 \
1049	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1335	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1050	|| defined __arm__ && defined __ARM_EABI__ \
1051	|| defined __s390__ || defined __s390x__ \	1336	|| defined __s390__ || defined __s390x__ \
1052	|| defined __mips__ \	1337	|| defined __mips__ \
1053	|| defined __alpha__ \	1338	|| defined __alpha__ \
1054	|| defined __hppa__ \	1339	|| defined __hppa__ \
1055	|| defined __ia64__ \	1340	|| defined __ia64__ \
		1341	|| defined __m68k__ \
		1342	|| defined __m88k__ \
		1343	|| defined __sh__ \
1056	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64	1344	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1345	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1346	|| defined __aarch64__
1057	#define ECB_STDFP 1	1347	#define ECB_STDFP 1
1058	#include <string.h> /* for memcpy */	1348	#include <string.h> /* for memcpy */
1059	#else	1349	#else
1060	#define ECB_STDFP 0	1350	#define ECB_STDFP 0
1061	#include <math.h> /* for frexp*, ldexp* */
1062	#endif	1351	#endif
1063		1352
1064	#ifndef ECB_NO_LIBM	1353	#ifndef ECB_NO_LIBM
1065		1354
		1355	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1356
		1357	/* only the oldest of old doesn't have this one. solaris. */
		1358	#ifdef INFINITY
		1359	#define ECB_INFINITY INFINITY
		1360	#else
		1361	#define ECB_INFINITY HUGE_VAL
		1362	#endif
		1363
		1364	#ifdef NAN
		1365	#define ECB_NAN NAN
		1366	#else
		1367	#define ECB_NAN ECB_INFINITY
		1368	#endif
		1369
		1370	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1371	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1372	#define ecb_frexpf(x,e) frexpf ((x), (e))
		1373	#else
		1374	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
		1375	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
		1376	#endif
		1377
1066	/* convert a float to ieee single/binary32 */	1378	/* convert a float to ieee single/binary32 */
1067	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1379	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1068	ecb_function_ uint32_t	1380	ecb_function_ ecb_const uint32_t
1069	ecb_float_to_binary32 (float x)	1381	ecb_float_to_binary32 (float x)
1070	{	1382	{
1071	uint32_t r;	1383	uint32_t r;
1072		1384
1073	#if ECB_STDFP	1385	#if ECB_STDFP
…		…
1080	if (x == 0e0f ) return 0x00000000U;	1392	if (x == 0e0f ) return 0x00000000U;
1081	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1393	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1082	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1394	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1083	if (x != x ) return 0x7fbfffffU;	1395	if (x != x ) return 0x7fbfffffU;
1084		1396
1085	m = frexpf (x, &e) * 0x1000000U;	1397	m = ecb_frexpf (x, &e) * 0x1000000U;
1086		1398
1087	r = m & 0x80000000U;	1399	r = m & 0x80000000U;
1088		1400
1089	if (r)	1401	if (r)
1090	m = -m;	1402	m = -m;
…		…
1102		1414
1103	return r;	1415	return r;
1104	}	1416	}
1105		1417
1106	/* converts an ieee single/binary32 to a float */	1418	/* converts an ieee single/binary32 to a float */
1107	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1419	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1108	ecb_function_ float	1420	ecb_function_ ecb_const float
1109	ecb_binary32_to_float (uint32_t x)	1421	ecb_binary32_to_float (uint32_t x)
1110	{	1422	{
1111	float r;	1423	float r;
1112		1424
1113	#if ECB_STDFP	1425	#if ECB_STDFP
…		…
1123	x |= 0x800000U;	1435	x |= 0x800000U;
1124	else	1436	else
1125	e = 1;	1437	e = 1;
1126		1438
1127	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1439	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1128	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1440	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1129		1441
1130	r = neg ? -r : r;	1442	r = neg ? -r : r;
1131	#endif	1443	#endif
1132		1444
1133	return r;	1445	return r;
1134	}	1446	}
1135		1447
1136	/* convert a double to ieee double/binary64 */	1448	/* convert a double to ieee double/binary64 */
1137	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1449	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1138	ecb_function_ uint64_t	1450	ecb_function_ ecb_const uint64_t
1139	ecb_double_to_binary64 (double x)	1451	ecb_double_to_binary64 (double x)
1140	{	1452	{
1141	uint64_t r;	1453	uint64_t r;
1142		1454
1143	#if ECB_STDFP	1455	#if ECB_STDFP
…		…
1172		1484
1173	return r;	1485	return r;
1174	}	1486	}
1175		1487
1176	/* converts an ieee double/binary64 to a double */	1488	/* converts an ieee double/binary64 to a double */
1177	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1489	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1178	ecb_function_ double	1490	ecb_function_ ecb_const double
1179	ecb_binary64_to_double (uint64_t x)	1491	ecb_binary64_to_double (uint64_t x)
1180	{	1492	{
1181	double r;	1493	double r;
1182		1494
1183	#if ECB_STDFP	1495	#if ECB_STDFP
…		…
1199		1511
1200	r = neg ? -r : r;	1512	r = neg ? -r : r;
1201	#endif	1513	#endif
1202		1514
1203	return r;	1515	return r;
		1516	}
		1517
		1518	/* convert a float to ieee half/binary16 */
		1519	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1520	ecb_function_ ecb_const uint16_t
		1521	ecb_float_to_binary16 (float x)
		1522	{
		1523	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1524	}
		1525
		1526	/* convert an ieee half/binary16 to float */
		1527	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1528	ecb_function_ ecb_const float
		1529	ecb_binary16_to_float (uint16_t x)
		1530	{
		1531	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1204	}	1532	}
1205		1533
1206	#endif	1534	#endif
1207		1535
1208	#endif	1536	#endif
…		…
1233	#define inline_size ecb_inline	1561	#define inline_size ecb_inline
1234		1562
1235	#if EV_FEATURE_CODE	1563	#if EV_FEATURE_CODE
1236	# define inline_speed ecb_inline	1564	# define inline_speed ecb_inline
1237	#else	1565	#else
1238	# define inline_speed static noinline	1566	# define inline_speed noinline static
1239	#endif	1567	#endif
1240		1568
1241	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1569	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1242		1570
1243	#if EV_MINPRI == EV_MAXPRI	1571	#if EV_MINPRI == EV_MAXPRI
1244	# define ABSPRI(w) (((W)w), 0)	1572	# define ABSPRI(w) (((W)w), 0)
1245	#else	1573	#else
1246	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1574	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1247	#endif	1575	#endif
1248		1576
1249	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1577	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1250	#define EMPTY2(a,b) /* used to suppress some warnings */
1251		1578
1252	typedef ev_watcher *W;	1579	typedef ev_watcher *W;
1253	typedef ev_watcher_list *WL;	1580	typedef ev_watcher_list *WL;
1254	typedef ev_watcher_time *WT;	1581	typedef ev_watcher_time *WT;
1255		1582
…		…
1290	#else	1617	#else
1291		1618
1292	#include <float.h>	1619	#include <float.h>
1293		1620
1294	/* a floor() replacement function, should be independent of ev_tstamp type */	1621	/* a floor() replacement function, should be independent of ev_tstamp type */
		1622	noinline
1295	static ev_tstamp noinline	1623	static ev_tstamp
1296	ev_floor (ev_tstamp v)	1624	ev_floor (ev_tstamp v)
1297	{	1625	{
1298	/* the choice of shift factor is not terribly important */	1626	/* the choice of shift factor is not terribly important */
1299	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1627	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1300	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1628	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1332		1660
1333	#ifdef __linux	1661	#ifdef __linux
1334	# include <sys/utsname.h>	1662	# include <sys/utsname.h>
1335	#endif	1663	#endif
1336		1664
1337	static unsigned int noinline ecb_cold	1665	noinline ecb_cold
		1666	static unsigned int
1338	ev_linux_version (void)	1667	ev_linux_version (void)
1339	{	1668	{
1340	#ifdef __linux	1669	#ifdef __linux
1341	unsigned int v = 0;	1670	unsigned int v = 0;
1342	struct utsname buf;	1671	struct utsname buf;
…		…
1371	}	1700	}
1372		1701
1373	/*****************************************************************************/	1702	/*****************************************************************************/
1374		1703
1375	#if EV_AVOID_STDIO	1704	#if EV_AVOID_STDIO
1376	static void noinline ecb_cold	1705	noinline ecb_cold
		1706	static void
1377	ev_printerr (const char *msg)	1707	ev_printerr (const char *msg)
1378	{	1708	{
1379	write (STDERR_FILENO, msg, strlen (msg));	1709	write (STDERR_FILENO, msg, strlen (msg));
1380	}	1710	}
1381	#endif	1711	#endif
1382		1712
1383	static void (*syserr_cb)(const char *msg) EV_THROW;	1713	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1384		1714
1385	void ecb_cold	1715	ecb_cold
		1716	void
1386	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1717	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1387	{	1718	{
1388	syserr_cb = cb;	1719	syserr_cb = cb;
1389	}	1720	}
1390		1721
1391	static void noinline ecb_cold	1722	noinline ecb_cold
		1723	static void
1392	ev_syserr (const char *msg)	1724	ev_syserr (const char *msg)
1393	{	1725	{
1394	if (!msg)	1726	if (!msg)
1395	msg = "(libev) system error";	1727	msg = "(libev) system error";
1396		1728
…		…
1409	abort ();	1741	abort ();
1410	}	1742	}
1411	}	1743	}
1412		1744
1413	static void *	1745	static void *
1414	ev_realloc_emul (void *ptr, long size) EV_THROW	1746	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1415	{	1747	{
1416	/* some systems, notably openbsd and darwin, fail to properly	1748	/* some systems, notably openbsd and darwin, fail to properly
1417	* implement realloc (x, 0) (as required by both ansi c-89 and	1749	* implement realloc (x, 0) (as required by both ansi c-89 and
1418	* the single unix specification, so work around them here.	1750	* the single unix specification, so work around them here.
1419	* recently, also (at least) fedora and debian started breaking it,	1751	* recently, also (at least) fedora and debian started breaking it,
…		…
1425		1757
1426	free (ptr);	1758	free (ptr);
1427	return 0;	1759	return 0;
1428	}	1760	}
1429		1761
1430	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1762	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1431		1763
1432	void ecb_cold	1764	ecb_cold
		1765	void
1433	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1766	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1434	{	1767	{
1435	alloc = cb;	1768	alloc = cb;
1436	}	1769	}
1437		1770
1438	inline_speed void *	1771	inline_speed void *
…		…
1465	typedef struct	1798	typedef struct
1466	{	1799	{
1467	WL head;	1800	WL head;
1468	unsigned char events; /* the events watched for */	1801	unsigned char events; /* the events watched for */
1469	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1802	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1470	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1803	unsigned char emask; /* some backends store the actual kernel mask in here */
1471	unsigned char unused;	1804	unsigned char unused;
1472	#if EV_USE_EPOLL	1805	#if EV_USE_EPOLL
1473	unsigned int egen; /* generation counter to counter epoll bugs */	1806	unsigned int egen; /* generation counter to counter epoll bugs */
1474	#endif	1807	#endif
1475	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1808	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1555		1888
1556	/*****************************************************************************/	1889	/*****************************************************************************/
1557		1890
1558	#ifndef EV_HAVE_EV_TIME	1891	#ifndef EV_HAVE_EV_TIME
1559	ev_tstamp	1892	ev_tstamp
1560	ev_time (void) EV_THROW	1893	ev_time (void) EV_NOEXCEPT
1561	{	1894	{
1562	#if EV_USE_REALTIME	1895	#if EV_USE_REALTIME
1563	if (expect_true (have_realtime))	1896	if (expect_true (have_realtime))
1564	{	1897	{
1565	struct timespec ts;	1898	struct timespec ts;
…		…
1589	return ev_time ();	1922	return ev_time ();
1590	}	1923	}
1591		1924
1592	#if EV_MULTIPLICITY	1925	#if EV_MULTIPLICITY
1593	ev_tstamp	1926	ev_tstamp
1594	ev_now (EV_P) EV_THROW	1927	ev_now (EV_P) EV_NOEXCEPT
1595	{	1928	{
1596	return ev_rt_now;	1929	return ev_rt_now;
1597	}	1930	}
1598	#endif	1931	#endif
1599		1932
1600	void	1933	void
1601	ev_sleep (ev_tstamp delay) EV_THROW	1934	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1602	{	1935	{
1603	if (delay > 0.)	1936	if (delay > 0.)
1604	{	1937	{
1605	#if EV_USE_NANOSLEEP	1938	#if EV_USE_NANOSLEEP
1606	struct timespec ts;	1939	struct timespec ts;
1607		1940
1608	EV_TS_SET (ts, delay);	1941	EV_TS_SET (ts, delay);
1609	nanosleep (&ts, 0);	1942	nanosleep (&ts, 0);
1610	#elif defined _WIN32	1943	#elif defined _WIN32
		1944	/* maybe this should round up, as ms is very low resolution */
		1945	/* compared to select (µs) or nanosleep (ns) */
1611	Sleep ((unsigned long)(delay * 1e3));	1946	Sleep ((unsigned long)(delay * 1e3));
1612	#else	1947	#else
1613	struct timeval tv;	1948	struct timeval tv;
1614		1949
1615	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1950	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1646	}	1981	}
1647		1982
1648	return ncur;	1983	return ncur;
1649	}	1984	}
1650		1985
1651	static void * noinline ecb_cold	1986	noinline ecb_cold
		1987	static void *
1652	array_realloc (int elem, void *base, int *cur, int cnt)	1988	array_realloc (int elem, void *base, int *cur, int cnt)
1653	{	1989	{
1654	*cur = array_nextsize (elem, *cur, cnt);	1990	*cur = array_nextsize (elem, *cur, cnt);
1655	return ev_realloc (base, elem * *cur);	1991	return ev_realloc (base, elem * *cur);
1656	}	1992	}
1657		1993
		1994	#define array_needsize_noinit(base,count)
		1995
1658	#define array_init_zero(base,count) \	1996	#define array_needsize_zerofill(base,count) \
1659	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1997	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1660		1998
1661	#define array_needsize(type,base,cur,cnt,init) \	1999	#define array_needsize(type,base,cur,cnt,init) \
1662	if (expect_false ((cnt) > (cur))) \	2000	if (expect_false ((cnt) > (cur))) \
1663	{ \	2001	{ \
1664	int ecb_unused ocur_ = (cur); \	2002	ecb_unused int ocur_ = (cur); \
1665	(base) = (type *)array_realloc \	2003	(base) = (type *)array_realloc \
1666	(sizeof (type), (base), &(cur), (cnt)); \	2004	(sizeof (type), (base), &(cur), (cnt)); \
1667	init ((base) + (ocur_), (cur) - ocur_); \	2005	init ((base) + (ocur_), (cur) - ocur_); \
1668	}	2006	}
1669		2007
…		…
1681	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2019	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1682		2020
1683	/*****************************************************************************/	2021	/*****************************************************************************/
1684		2022
1685	/* dummy callback for pending events */	2023	/* dummy callback for pending events */
1686	static void noinline	2024	noinline
		2025	static void
1687	pendingcb (EV_P_ ev_prepare *w, int revents)	2026	pendingcb (EV_P_ ev_prepare *w, int revents)
1688	{	2027	{
1689	}	2028	}
1690		2029
1691	void noinline	2030	noinline
		2031	void
1692	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2032	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1693	{	2033	{
1694	W w_ = (W)w;	2034	W w_ = (W)w;
1695	int pri = ABSPRI (w_);	2035	int pri = ABSPRI (w_);
1696		2036
1697	if (expect_false (w_->pending))	2037	if (expect_false (w_->pending))
1698	pendings [pri][w_->pending - 1].events |= revents;	2038	pendings [pri][w_->pending - 1].events |= revents;
1699	else	2039	else
1700	{	2040	{
1701	w_->pending = ++pendingcnt [pri];	2041	w_->pending = ++pendingcnt [pri];
1702	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2042	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1703	pendings [pri][w_->pending - 1].w = w_;	2043	pendings [pri][w_->pending - 1].w = w_;
1704	pendings [pri][w_->pending - 1].events = revents;	2044	pendings [pri][w_->pending - 1].events = revents;
1705	}	2045	}
1706		2046
1707	pendingpri = NUMPRI - 1;	2047	pendingpri = NUMPRI - 1;
1708	}	2048	}
1709		2049
1710	inline_speed void	2050	inline_speed void
1711	feed_reverse (EV_P_ W w)	2051	feed_reverse (EV_P_ W w)
1712	{	2052	{
1713	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2053	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1714	rfeeds [rfeedcnt++] = w;	2054	rfeeds [rfeedcnt++] = w;
1715	}	2055	}
1716		2056
1717	inline_size void	2057	inline_size void
1718	feed_reverse_done (EV_P_ int revents)	2058	feed_reverse_done (EV_P_ int revents)
…		…
1758	if (expect_true (!anfd->reify))	2098	if (expect_true (!anfd->reify))
1759	fd_event_nocheck (EV_A_ fd, revents);	2099	fd_event_nocheck (EV_A_ fd, revents);
1760	}	2100	}
1761		2101
1762	void	2102	void
1763	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2103	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1764	{	2104	{
1765	if (fd >= 0 && fd < anfdmax)	2105	if (fd >= 0 && fd < anfdmax)
1766	fd_event_nocheck (EV_A_ fd, revents);	2106	fd_event_nocheck (EV_A_ fd, revents);
1767	}	2107	}
1768		2108
…		…
1826		2166
1827	fdchangecnt = 0;	2167	fdchangecnt = 0;
1828	}	2168	}
1829		2169
1830	/* something about the given fd changed */	2170	/* something about the given fd changed */
1831	inline_size void	2171	inline_size
		2172	void
1832	fd_change (EV_P_ int fd, int flags)	2173	fd_change (EV_P_ int fd, int flags)
1833	{	2174	{
1834	unsigned char reify = anfds [fd].reify;	2175	unsigned char reify = anfds [fd].reify;
1835	anfds [fd].reify |= flags;	2176	anfds [fd].reify |= flags;
1836		2177
1837	if (expect_true (!reify))	2178	if (expect_true (!reify))
1838	{	2179	{
1839	++fdchangecnt;	2180	++fdchangecnt;
1840	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2181	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1841	fdchanges [fdchangecnt - 1] = fd;	2182	fdchanges [fdchangecnt - 1] = fd;
1842	}	2183	}
1843	}	2184	}
1844		2185
1845	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2186	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1846	inline_speed void ecb_cold	2187	inline_speed ecb_cold void
1847	fd_kill (EV_P_ int fd)	2188	fd_kill (EV_P_ int fd)
1848	{	2189	{
1849	ev_io *w;	2190	ev_io *w;
1850		2191
1851	while ((w = (ev_io *)anfds [fd].head))	2192	while ((w = (ev_io *)anfds [fd].head))
…		…
1854	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2195	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1855	}	2196	}
1856	}	2197	}
1857		2198
1858	/* check whether the given fd is actually valid, for error recovery */	2199	/* check whether the given fd is actually valid, for error recovery */
1859	inline_size int ecb_cold	2200	inline_size ecb_cold int
1860	fd_valid (int fd)	2201	fd_valid (int fd)
1861	{	2202	{
1862	#ifdef _WIN32	2203	#ifdef _WIN32
1863	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2204	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1864	#else	2205	#else
1865	return fcntl (fd, F_GETFD) != -1;	2206	return fcntl (fd, F_GETFD) != -1;
1866	#endif	2207	#endif
1867	}	2208	}
1868		2209
1869	/* called on EBADF to verify fds */	2210	/* called on EBADF to verify fds */
1870	static void noinline ecb_cold	2211	noinline ecb_cold
		2212	static void
1871	fd_ebadf (EV_P)	2213	fd_ebadf (EV_P)
1872	{	2214	{
1873	int fd;	2215	int fd;
1874		2216
1875	for (fd = 0; fd < anfdmax; ++fd)	2217	for (fd = 0; fd < anfdmax; ++fd)
…		…
1877	if (!fd_valid (fd) && errno == EBADF)	2219	if (!fd_valid (fd) && errno == EBADF)
1878	fd_kill (EV_A_ fd);	2220	fd_kill (EV_A_ fd);
1879	}	2221	}
1880		2222
1881	/* called on ENOMEM in select/poll to kill some fds and retry */	2223	/* called on ENOMEM in select/poll to kill some fds and retry */
1882	static void noinline ecb_cold	2224	noinline ecb_cold
		2225	static void
1883	fd_enomem (EV_P)	2226	fd_enomem (EV_P)
1884	{	2227	{
1885	int fd;	2228	int fd;
1886		2229
1887	for (fd = anfdmax; fd--; )	2230	for (fd = anfdmax; fd--; )
…		…
1891	break;	2234	break;
1892	}	2235	}
1893	}	2236	}
1894		2237
1895	/* usually called after fork if backend needs to re-arm all fds from scratch */	2238	/* usually called after fork if backend needs to re-arm all fds from scratch */
1896	static void noinline	2239	noinline
		2240	static void
1897	fd_rearm_all (EV_P)	2241	fd_rearm_all (EV_P)
1898	{	2242	{
1899	int fd;	2243	int fd;
1900		2244
1901	for (fd = 0; fd < anfdmax; ++fd)	2245	for (fd = 0; fd < anfdmax; ++fd)
…		…
2082		2426
2083	/*****************************************************************************/	2427	/*****************************************************************************/
2084		2428
2085	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2429	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2086		2430
2087	static void noinline ecb_cold	2431	noinline ecb_cold
		2432	static void
2088	evpipe_init (EV_P)	2433	evpipe_init (EV_P)
2089	{	2434	{
2090	if (!ev_is_active (&pipe_w))	2435	if (!ev_is_active (&pipe_w))
2091	{	2436	{
2092	int fds [2];	2437	int fds [2];
…		…
2103	while (pipe (fds))	2448	while (pipe (fds))
2104	ev_syserr ("(libev) error creating signal/async pipe");	2449	ev_syserr ("(libev) error creating signal/async pipe");
2105		2450
2106	fd_intern (fds [0]);	2451	fd_intern (fds [0]);
2107	}	2452	}
2108
2109	fd_intern (fds [1]);
2110		2453
2111	evpipe [0] = fds [0];	2454	evpipe [0] = fds [0];
2112		2455
2113	if (evpipe [1] < 0)	2456	if (evpipe [1] < 0)
2114	evpipe [1] = fds [1]; /* first call, set write fd */	2457	evpipe [1] = fds [1]; /* first call, set write fd */
…		…
2121		2464
2122	dup2 (fds [1], evpipe [1]);	2465	dup2 (fds [1], evpipe [1]);
2123	close (fds [1]);	2466	close (fds [1]);
2124	}	2467	}
2125		2468
		2469	fd_intern (evpipe [1]);
		2470
2126	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);	2471	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
2127	ev_io_start (EV_A_ &pipe_w);	2472	ev_io_start (EV_A_ &pipe_w);
2128	ev_unref (EV_A); /* watcher should not keep loop alive */	2473	ev_unref (EV_A); /* watcher should not keep loop alive */
2129	}	2474	}
2130	}	2475	}
…		…
2163	#endif	2508	#endif
2164	{	2509	{
2165	#ifdef _WIN32	2510	#ifdef _WIN32
2166	WSABUF buf;	2511	WSABUF buf;
2167	DWORD sent;	2512	DWORD sent;
2168	buf.buf = &buf;	2513	buf.buf = (char *)&buf;
2169	buf.len = 1;	2514	buf.len = 1;
2170	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2515	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2171	#else	2516	#else
2172	write (evpipe [1], &(evpipe [1]), 1);	2517	write (evpipe [1], &(evpipe [1]), 1);
2173	#endif	2518	#endif
…		…
2245	}	2590	}
2246		2591
2247	/*****************************************************************************/	2592	/*****************************************************************************/
2248		2593
2249	void	2594	void
2250	ev_feed_signal (int signum) EV_THROW	2595	ev_feed_signal (int signum) EV_NOEXCEPT
2251	{	2596	{
2252	#if EV_MULTIPLICITY	2597	#if EV_MULTIPLICITY
2253	EV_P;	2598	EV_P;
2254	ECB_MEMORY_FENCE_ACQUIRE;	2599	ECB_MEMORY_FENCE_ACQUIRE;
2255	EV_A = signals [signum - 1].loop;	2600	EV_A = signals [signum - 1].loop;
…		…
2270	#endif	2615	#endif
2271		2616
2272	ev_feed_signal (signum);	2617	ev_feed_signal (signum);
2273	}	2618	}
2274		2619
2275	void noinline	2620	noinline
		2621	void
2276	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2622	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2277	{	2623	{
2278	WL w;	2624	WL w;
2279		2625
2280	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2626	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2281	return;	2627	return;
…		…
2387	# include "ev_port.c"	2733	# include "ev_port.c"
2388	#endif	2734	#endif
2389	#if EV_USE_KQUEUE	2735	#if EV_USE_KQUEUE
2390	# include "ev_kqueue.c"	2736	# include "ev_kqueue.c"
2391	#endif	2737	#endif
		2738	#if EV_USE_LINUXAIO
		2739	# include "ev_linuxaio.c"
		2740	#endif
2392	#if EV_USE_EPOLL	2741	#if EV_USE_EPOLL
2393	# include "ev_epoll.c"	2742	# include "ev_epoll.c"
2394	#endif	2743	#endif
2395	#if EV_USE_POLL	2744	#if EV_USE_POLL
2396	# include "ev_poll.c"	2745	# include "ev_poll.c"
2397	#endif	2746	#endif
2398	#if EV_USE_SELECT	2747	#if EV_USE_SELECT
2399	# include "ev_select.c"	2748	# include "ev_select.c"
2400	#endif	2749	#endif
2401		2750
2402	int ecb_cold	2751	ecb_cold int
2403	ev_version_major (void) EV_THROW	2752	ev_version_major (void) EV_NOEXCEPT
2404	{	2753	{
2405	return EV_VERSION_MAJOR;	2754	return EV_VERSION_MAJOR;
2406	}	2755	}
2407		2756
2408	int ecb_cold	2757	ecb_cold int
2409	ev_version_minor (void) EV_THROW	2758	ev_version_minor (void) EV_NOEXCEPT
2410	{	2759	{
2411	return EV_VERSION_MINOR;	2760	return EV_VERSION_MINOR;
2412	}	2761	}
2413		2762
2414	/* return true if we are running with elevated privileges and should ignore env variables */	2763	/* return true if we are running with elevated privileges and should ignore env variables */
2415	int inline_size ecb_cold	2764	inline_size ecb_cold int
2416	enable_secure (void)	2765	enable_secure (void)
2417	{	2766	{
2418	#ifdef _WIN32	2767	#ifdef _WIN32
2419	return 0;	2768	return 0;
2420	#else	2769	#else
2421	return getuid () != geteuid ()	2770	return getuid () != geteuid ()
2422	|| getgid () != getegid ();	2771	|| getgid () != getegid ();
2423	#endif	2772	#endif
2424	}	2773	}
2425		2774
2426	unsigned int ecb_cold	2775	ecb_cold
		2776	unsigned int
2427	ev_supported_backends (void) EV_THROW	2777	ev_supported_backends (void) EV_NOEXCEPT
2428	{	2778	{
2429	unsigned int flags = 0;	2779	unsigned int flags = 0;
2430		2780
2431	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2781	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2432	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2782	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2433	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2783	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2784	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2434	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2785	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2435	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2786	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2436		2787
2437	return flags;	2788	return flags;
2438	}	2789	}
2439		2790
2440	unsigned int ecb_cold	2791	ecb_cold
		2792	unsigned int
2441	ev_recommended_backends (void) EV_THROW	2793	ev_recommended_backends (void) EV_NOEXCEPT
2442	{	2794	{
2443	unsigned int flags = ev_supported_backends ();	2795	unsigned int flags = ev_supported_backends ();
2444		2796
2445	#ifndef __NetBSD__	2797	#ifndef __NetBSD__
2446	/* kqueue is borked on everything but netbsd apparently */	2798	/* kqueue is borked on everything but netbsd apparently */
…		…
2454	#endif	2806	#endif
2455	#ifdef __FreeBSD__	2807	#ifdef __FreeBSD__
2456	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2808	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2457	#endif	2809	#endif
2458		2810
		2811	/* TODO: linuxaio is very experimental */
		2812	flags &= ~EVBACKEND_LINUXAIO;
		2813
2459	return flags;	2814	return flags;
2460	}	2815	}
2461		2816
2462	unsigned int ecb_cold	2817	ecb_cold
		2818	unsigned int
2463	ev_embeddable_backends (void) EV_THROW	2819	ev_embeddable_backends (void) EV_NOEXCEPT
2464	{	2820	{
2465	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2821	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2466		2822
2467	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2823	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2468	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2824	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2470		2826
2471	return flags;	2827	return flags;
2472	}	2828	}
2473		2829
2474	unsigned int	2830	unsigned int
2475	ev_backend (EV_P) EV_THROW	2831	ev_backend (EV_P) EV_NOEXCEPT
2476	{	2832	{
2477	return backend;	2833	return backend;
2478	}	2834	}
2479		2835
2480	#if EV_FEATURE_API	2836	#if EV_FEATURE_API
2481	unsigned int	2837	unsigned int
2482	ev_iteration (EV_P) EV_THROW	2838	ev_iteration (EV_P) EV_NOEXCEPT
2483	{	2839	{
2484	return loop_count;	2840	return loop_count;
2485	}	2841	}
2486		2842
2487	unsigned int	2843	unsigned int
2488	ev_depth (EV_P) EV_THROW	2844	ev_depth (EV_P) EV_NOEXCEPT
2489	{	2845	{
2490	return loop_depth;	2846	return loop_depth;
2491	}	2847	}
2492		2848
2493	void	2849	void
2494	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2850	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2495	{	2851	{
2496	io_blocktime = interval;	2852	io_blocktime = interval;
2497	}	2853	}
2498		2854
2499	void	2855	void
2500	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2856	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2501	{	2857	{
2502	timeout_blocktime = interval;	2858	timeout_blocktime = interval;
2503	}	2859	}
2504		2860
2505	void	2861	void
2506	ev_set_userdata (EV_P_ void *data) EV_THROW	2862	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2507	{	2863	{
2508	userdata = data;	2864	userdata = data;
2509	}	2865	}
2510		2866
2511	void *	2867	void *
2512	ev_userdata (EV_P) EV_THROW	2868	ev_userdata (EV_P) EV_NOEXCEPT
2513	{	2869	{
2514	return userdata;	2870	return userdata;
2515	}	2871	}
2516		2872
2517	void	2873	void
2518	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW	2874	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2519	{	2875	{
2520	invoke_cb = invoke_pending_cb;	2876	invoke_cb = invoke_pending_cb;
2521	}	2877	}
2522		2878
2523	void	2879	void
2524	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW	2880	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2525	{	2881	{
2526	release_cb = release;	2882	release_cb = release;
2527	acquire_cb = acquire;	2883	acquire_cb = acquire;
2528	}	2884	}
2529	#endif	2885	#endif
2530		2886
2531	/* initialise a loop structure, must be zero-initialised */	2887	/* initialise a loop structure, must be zero-initialised */
2532	static void noinline ecb_cold	2888	noinline ecb_cold
		2889	static void
2533	loop_init (EV_P_ unsigned int flags) EV_THROW	2890	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2534	{	2891	{
2535	if (!backend)	2892	if (!backend)
2536	{	2893	{
2537	origflags = flags;	2894	origflags = flags;
2538		2895
…		…
2596		2953
2597	if (!(flags & EVBACKEND_MASK))	2954	if (!(flags & EVBACKEND_MASK))
2598	flags |= ev_recommended_backends ();	2955	flags |= ev_recommended_backends ();
2599		2956
2600	#if EV_USE_IOCP	2957	#if EV_USE_IOCP
2601	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	2958	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2602	#endif	2959	#endif
2603	#if EV_USE_PORT	2960	#if EV_USE_PORT
2604	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	2961	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2605	#endif	2962	#endif
2606	#if EV_USE_KQUEUE	2963	#if EV_USE_KQUEUE
2607	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	2964	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		2965	#endif
		2966	#if EV_USE_LINUXAIO
		2967	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2608	#endif	2968	#endif
2609	#if EV_USE_EPOLL	2969	#if EV_USE_EPOLL
2610	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	2970	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2611	#endif	2971	#endif
2612	#if EV_USE_POLL	2972	#if EV_USE_POLL
2613	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	2973	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2614	#endif	2974	#endif
2615	#if EV_USE_SELECT	2975	#if EV_USE_SELECT
2616	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	2976	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2617	#endif	2977	#endif
2618		2978
2619	ev_prepare_init (&pending_w, pendingcb);	2979	ev_prepare_init (&pending_w, pendingcb);
2620		2980
2621	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2981	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2624	#endif	2984	#endif
2625	}	2985	}
2626	}	2986	}
2627		2987
2628	/* free up a loop structure */	2988	/* free up a loop structure */
2629	void ecb_cold	2989	ecb_cold
		2990	void
2630	ev_loop_destroy (EV_P)	2991	ev_loop_destroy (EV_P)
2631	{	2992	{
2632	int i;	2993	int i;
2633		2994
2634	#if EV_MULTIPLICITY	2995	#if EV_MULTIPLICITY
…		…
2675		3036
2676	if (backend_fd >= 0)	3037	if (backend_fd >= 0)
2677	close (backend_fd);	3038	close (backend_fd);
2678		3039
2679	#if EV_USE_IOCP	3040	#if EV_USE_IOCP
2680	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3041	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2681	#endif	3042	#endif
2682	#if EV_USE_PORT	3043	#if EV_USE_PORT
2683	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3044	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2684	#endif	3045	#endif
2685	#if EV_USE_KQUEUE	3046	#if EV_USE_KQUEUE
2686	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3047	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3048	#endif
		3049	#if EV_USE_LINUXAIO
		3050	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2687	#endif	3051	#endif
2688	#if EV_USE_EPOLL	3052	#if EV_USE_EPOLL
2689	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3053	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2690	#endif	3054	#endif
2691	#if EV_USE_POLL	3055	#if EV_USE_POLL
2692	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3056	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2693	#endif	3057	#endif
2694	#if EV_USE_SELECT	3058	#if EV_USE_SELECT
2695	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3059	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2696	#endif	3060	#endif
2697		3061
2698	for (i = NUMPRI; i--; )	3062	for (i = NUMPRI; i--; )
2699	{	3063	{
2700	array_free (pending, [i]);	3064	array_free (pending, [i]);
…		…
2742		3106
2743	inline_size void	3107	inline_size void
2744	loop_fork (EV_P)	3108	loop_fork (EV_P)
2745	{	3109	{
2746	#if EV_USE_PORT	3110	#if EV_USE_PORT
2747	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3111	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2748	#endif	3112	#endif
2749	#if EV_USE_KQUEUE	3113	#if EV_USE_KQUEUE
2750	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3114	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3115	#endif
		3116	#if EV_USE_LINUXAIO
		3117	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2751	#endif	3118	#endif
2752	#if EV_USE_EPOLL	3119	#if EV_USE_EPOLL
2753	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3120	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2754	#endif	3121	#endif
2755	#if EV_USE_INOTIFY	3122	#if EV_USE_INOTIFY
2756	infy_fork (EV_A);	3123	infy_fork (EV_A);
2757	#endif	3124	#endif
2758		3125
2759	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3126	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2760	if (ev_is_active (&pipe_w))	3127	if (ev_is_active (&pipe_w) && postfork != 2)
2761	{	3128	{
2762	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3129	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2763		3130
2764	ev_ref (EV_A);	3131	ev_ref (EV_A);
2765	ev_io_stop (EV_A_ &pipe_w);	3132	ev_io_stop (EV_A_ &pipe_w);
…		…
2776	postfork = 0;	3143	postfork = 0;
2777	}	3144	}
2778		3145
2779	#if EV_MULTIPLICITY	3146	#if EV_MULTIPLICITY
2780		3147
		3148	ecb_cold
2781	struct ev_loop * ecb_cold	3149	struct ev_loop *
2782	ev_loop_new (unsigned int flags) EV_THROW	3150	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2783	{	3151	{
2784	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3152	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2785		3153
2786	memset (EV_A, 0, sizeof (struct ev_loop));	3154	memset (EV_A, 0, sizeof (struct ev_loop));
2787	loop_init (EV_A_ flags);	3155	loop_init (EV_A_ flags);
…		…
2794	}	3162	}
2795		3163
2796	#endif /* multiplicity */	3164	#endif /* multiplicity */
2797		3165
2798	#if EV_VERIFY	3166	#if EV_VERIFY
2799	static void noinline ecb_cold	3167	noinline ecb_cold
		3168	static void
2800	verify_watcher (EV_P_ W w)	3169	verify_watcher (EV_P_ W w)
2801	{	3170	{
2802	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3171	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2803		3172
2804	if (w->pending)	3173	if (w->pending)
2805	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3174	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2806	}	3175	}
2807		3176
2808	static void noinline ecb_cold	3177	noinline ecb_cold
		3178	static void
2809	verify_heap (EV_P_ ANHE *heap, int N)	3179	verify_heap (EV_P_ ANHE *heap, int N)
2810	{	3180	{
2811	int i;	3181	int i;
2812		3182
2813	for (i = HEAP0; i < N + HEAP0; ++i)	3183	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2818		3188
2819	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3189	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2820	}	3190	}
2821	}	3191	}
2822		3192
2823	static void noinline ecb_cold	3193	noinline ecb_cold
		3194	static void
2824	array_verify (EV_P_ W *ws, int cnt)	3195	array_verify (EV_P_ W *ws, int cnt)
2825	{	3196	{
2826	while (cnt--)	3197	while (cnt--)
2827	{	3198	{
2828	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3199	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2831	}	3202	}
2832	#endif	3203	#endif
2833		3204
2834	#if EV_FEATURE_API	3205	#if EV_FEATURE_API
2835	void ecb_cold	3206	void ecb_cold
2836	ev_verify (EV_P) EV_THROW	3207	ev_verify (EV_P) EV_NOEXCEPT
2837	{	3208	{
2838	#if EV_VERIFY	3209	#if EV_VERIFY
2839	int i;	3210	int i;
2840	WL w, w2;	3211	WL w, w2;
2841		3212
…		…
2917	#endif	3288	#endif
2918	}	3289	}
2919	#endif	3290	#endif
2920		3291
2921	#if EV_MULTIPLICITY	3292	#if EV_MULTIPLICITY
		3293	ecb_cold
2922	struct ev_loop * ecb_cold	3294	struct ev_loop *
2923	#else	3295	#else
2924	int	3296	int
2925	#endif	3297	#endif
2926	ev_default_loop (unsigned int flags) EV_THROW	3298	ev_default_loop (unsigned int flags) EV_NOEXCEPT
2927	{	3299	{
2928	if (!ev_default_loop_ptr)	3300	if (!ev_default_loop_ptr)
2929	{	3301	{
2930	#if EV_MULTIPLICITY	3302	#if EV_MULTIPLICITY
2931	EV_P = ev_default_loop_ptr = &default_loop_struct;	3303	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2950		3322
2951	return ev_default_loop_ptr;	3323	return ev_default_loop_ptr;
2952	}	3324	}
2953		3325
2954	void	3326	void
2955	ev_loop_fork (EV_P) EV_THROW	3327	ev_loop_fork (EV_P) EV_NOEXCEPT
2956	{	3328	{
2957	postfork = 1;	3329	postfork = 1;
2958	}	3330	}
2959		3331
2960	/*****************************************************************************/	3332	/*****************************************************************************/
…		…
2964	{	3336	{
2965	EV_CB_INVOKE ((W)w, revents);	3337	EV_CB_INVOKE ((W)w, revents);
2966	}	3338	}
2967		3339
2968	unsigned int	3340	unsigned int
2969	ev_pending_count (EV_P) EV_THROW	3341	ev_pending_count (EV_P) EV_NOEXCEPT
2970	{	3342	{
2971	int pri;	3343	int pri;
2972	unsigned int count = 0;	3344	unsigned int count = 0;
2973		3345
2974	for (pri = NUMPRI; pri--; )	3346	for (pri = NUMPRI; pri--; )
2975	count += pendingcnt [pri];	3347	count += pendingcnt [pri];
2976		3348
2977	return count;	3349	return count;
2978	}	3350	}
2979		3351
2980	void noinline	3352	noinline
		3353	void
2981	ev_invoke_pending (EV_P)	3354	ev_invoke_pending (EV_P)
2982	{	3355	{
2983	pendingpri = NUMPRI;	3356	pendingpri = NUMPRI;
2984		3357
2985	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3358	do
2986	{	3359	{
2987	--pendingpri;	3360	--pendingpri;
2988		3361
		3362	/* pendingpri possibly gets modified in the inner loop */
2989	while (pendingcnt [pendingpri])	3363	while (pendingcnt [pendingpri])
2990	{	3364	{
2991	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3365	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2992		3366
2993	p->w->pending = 0;	3367	p->w->pending = 0;
2994	EV_CB_INVOKE (p->w, p->events);	3368	EV_CB_INVOKE (p->w, p->events);
2995	EV_FREQUENT_CHECK;	3369	EV_FREQUENT_CHECK;
2996	}	3370	}
2997	}	3371	}
		3372	while (pendingpri);
2998	}	3373	}
2999		3374
3000	#if EV_IDLE_ENABLE	3375	#if EV_IDLE_ENABLE
3001	/* make idle watchers pending. this handles the "call-idle */	3376	/* make idle watchers pending. this handles the "call-idle */
3002	/* only when higher priorities are idle" logic */	3377	/* only when higher priorities are idle" logic */
…		…
3060	}	3435	}
3061	}	3436	}
3062		3437
3063	#if EV_PERIODIC_ENABLE	3438	#if EV_PERIODIC_ENABLE
3064		3439
3065	static void noinline	3440	noinline
		3441	static void
3066	periodic_recalc (EV_P_ ev_periodic *w)	3442	periodic_recalc (EV_P_ ev_periodic *w)
3067	{	3443	{
3068	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3444	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3069	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3445	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3070		3446
…		…
3128	}	3504	}
3129	}	3505	}
3130		3506
3131	/* simply recalculate all periodics */	3507	/* simply recalculate all periodics */
3132	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3508	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3133	static void noinline ecb_cold	3509	noinline ecb_cold
		3510	static void
3134	periodics_reschedule (EV_P)	3511	periodics_reschedule (EV_P)
3135	{	3512	{
3136	int i;	3513	int i;
3137		3514
3138	/* adjust periodics after time jump */	3515	/* adjust periodics after time jump */
…		…
3151	reheap (periodics, periodiccnt);	3528	reheap (periodics, periodiccnt);
3152	}	3529	}
3153	#endif	3530	#endif
3154		3531
3155	/* adjust all timers by a given offset */	3532	/* adjust all timers by a given offset */
3156	static void noinline ecb_cold	3533	noinline ecb_cold
		3534	static void
3157	timers_reschedule (EV_P_ ev_tstamp adjust)	3535	timers_reschedule (EV_P_ ev_tstamp adjust)
3158	{	3536	{
3159	int i;	3537	int i;
3160		3538
3161	for (i = 0; i < timercnt; ++i)	3539	for (i = 0; i < timercnt; ++i)
…		…
3408		3786
3409	return activecnt;	3787	return activecnt;
3410	}	3788	}
3411		3789
3412	void	3790	void
3413	ev_break (EV_P_ int how) EV_THROW	3791	ev_break (EV_P_ int how) EV_NOEXCEPT
3414	{	3792	{
3415	loop_done = how;	3793	loop_done = how;
3416	}	3794	}
3417		3795
3418	void	3796	void
3419	ev_ref (EV_P) EV_THROW	3797	ev_ref (EV_P) EV_NOEXCEPT
3420	{	3798	{
3421	++activecnt;	3799	++activecnt;
3422	}	3800	}
3423		3801
3424	void	3802	void
3425	ev_unref (EV_P) EV_THROW	3803	ev_unref (EV_P) EV_NOEXCEPT
3426	{	3804	{
3427	--activecnt;	3805	--activecnt;
3428	}	3806	}
3429		3807
3430	void	3808	void
3431	ev_now_update (EV_P) EV_THROW	3809	ev_now_update (EV_P) EV_NOEXCEPT
3432	{	3810	{
3433	time_update (EV_A_ 1e100);	3811	time_update (EV_A_ 1e100);
3434	}	3812	}
3435		3813
3436	void	3814	void
3437	ev_suspend (EV_P) EV_THROW	3815	ev_suspend (EV_P) EV_NOEXCEPT
3438	{	3816	{
3439	ev_now_update (EV_A);	3817	ev_now_update (EV_A);
3440	}	3818	}
3441		3819
3442	void	3820	void
3443	ev_resume (EV_P) EV_THROW	3821	ev_resume (EV_P) EV_NOEXCEPT
3444	{	3822	{
3445	ev_tstamp mn_prev = mn_now;	3823	ev_tstamp mn_prev = mn_now;
3446		3824
3447	ev_now_update (EV_A);	3825	ev_now_update (EV_A);
3448	timers_reschedule (EV_A_ mn_now - mn_prev);	3826	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3487	w->pending = 0;	3865	w->pending = 0;
3488	}	3866	}
3489	}	3867	}
3490		3868
3491	int	3869	int
3492	ev_clear_pending (EV_P_ void *w) EV_THROW	3870	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3493	{	3871	{
3494	W w_ = (W)w;	3872	W w_ = (W)w;
3495	int pending = w_->pending;	3873	int pending = w_->pending;
3496		3874
3497	if (expect_true (pending))	3875	if (expect_true (pending))
…		…
3529	w->active = 0;	3907	w->active = 0;
3530	}	3908	}
3531		3909
3532	/*****************************************************************************/	3910	/*****************************************************************************/
3533		3911
3534	void noinline	3912	noinline
		3913	void
3535	ev_io_start (EV_P_ ev_io *w) EV_THROW	3914	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3536	{	3915	{
3537	int fd = w->fd;	3916	int fd = w->fd;
3538		3917
3539	if (expect_false (ev_is_active (w)))	3918	if (expect_false (ev_is_active (w)))
3540	return;	3919	return;
…		…
3543	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	3922	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3544		3923
3545	EV_FREQUENT_CHECK;	3924	EV_FREQUENT_CHECK;
3546		3925
3547	ev_start (EV_A_ (W)w, 1);	3926	ev_start (EV_A_ (W)w, 1);
3548	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3927	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3549	wlist_add (&anfds[fd].head, (WL)w);	3928	wlist_add (&anfds[fd].head, (WL)w);
3550		3929
3551	/* common bug, apparently */	3930	/* common bug, apparently */
3552	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	3931	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3553		3932
…		…
3555	w->events &= ~EV__IOFDSET;	3934	w->events &= ~EV__IOFDSET;
3556		3935
3557	EV_FREQUENT_CHECK;	3936	EV_FREQUENT_CHECK;
3558	}	3937	}
3559		3938
3560	void noinline	3939	noinline
		3940	void
3561	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3941	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3562	{	3942	{
3563	clear_pending (EV_A_ (W)w);	3943	clear_pending (EV_A_ (W)w);
3564	if (expect_false (!ev_is_active (w)))	3944	if (expect_false (!ev_is_active (w)))
3565	return;	3945	return;
3566		3946
…		…
3574	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3954	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3575		3955
3576	EV_FREQUENT_CHECK;	3956	EV_FREQUENT_CHECK;
3577	}	3957	}
3578		3958
3579	void noinline	3959	noinline
		3960	void
3580	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3961	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3581	{	3962	{
3582	if (expect_false (ev_is_active (w)))	3963	if (expect_false (ev_is_active (w)))
3583	return;	3964	return;
3584		3965
3585	ev_at (w) += mn_now;	3966	ev_at (w) += mn_now;
…		…
3588		3969
3589	EV_FREQUENT_CHECK;	3970	EV_FREQUENT_CHECK;
3590		3971
3591	++timercnt;	3972	++timercnt;
3592	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	3973	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3593	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	3974	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3594	ANHE_w (timers [ev_active (w)]) = (WT)w;	3975	ANHE_w (timers [ev_active (w)]) = (WT)w;
3595	ANHE_at_cache (timers [ev_active (w)]);	3976	ANHE_at_cache (timers [ev_active (w)]);
3596	upheap (timers, ev_active (w));	3977	upheap (timers, ev_active (w));
3597		3978
3598	EV_FREQUENT_CHECK;	3979	EV_FREQUENT_CHECK;
3599		3980
3600	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3981	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3601	}	3982	}
3602		3983
3603	void noinline	3984	noinline
		3985	void
3604	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3986	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3605	{	3987	{
3606	clear_pending (EV_A_ (W)w);	3988	clear_pending (EV_A_ (W)w);
3607	if (expect_false (!ev_is_active (w)))	3989	if (expect_false (!ev_is_active (w)))
3608	return;	3990	return;
3609		3991
…		…
3628	ev_stop (EV_A_ (W)w);	4010	ev_stop (EV_A_ (W)w);
3629		4011
3630	EV_FREQUENT_CHECK;	4012	EV_FREQUENT_CHECK;
3631	}	4013	}
3632		4014
3633	void noinline	4015	noinline
		4016	void
3634	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4017	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3635	{	4018	{
3636	EV_FREQUENT_CHECK;	4019	EV_FREQUENT_CHECK;
3637		4020
3638	clear_pending (EV_A_ (W)w);	4021	clear_pending (EV_A_ (W)w);
3639		4022
…		…
3656		4039
3657	EV_FREQUENT_CHECK;	4040	EV_FREQUENT_CHECK;
3658	}	4041	}
3659		4042
3660	ev_tstamp	4043	ev_tstamp
3661	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4044	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3662	{	4045	{
3663	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4046	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3664	}	4047	}
3665		4048
3666	#if EV_PERIODIC_ENABLE	4049	#if EV_PERIODIC_ENABLE
3667	void noinline	4050	noinline
		4051	void
3668	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4052	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3669	{	4053	{
3670	if (expect_false (ev_is_active (w)))	4054	if (expect_false (ev_is_active (w)))
3671	return;	4055	return;
3672		4056
3673	if (w->reschedule_cb)	4057	if (w->reschedule_cb)
…		…
3682		4066
3683	EV_FREQUENT_CHECK;	4067	EV_FREQUENT_CHECK;
3684		4068
3685	++periodiccnt;	4069	++periodiccnt;
3686	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4070	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3687	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4071	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3688	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4072	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3689	ANHE_at_cache (periodics [ev_active (w)]);	4073	ANHE_at_cache (periodics [ev_active (w)]);
3690	upheap (periodics, ev_active (w));	4074	upheap (periodics, ev_active (w));
3691		4075
3692	EV_FREQUENT_CHECK;	4076	EV_FREQUENT_CHECK;
3693		4077
3694	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4078	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3695	}	4079	}
3696		4080
3697	void noinline	4081	noinline
		4082	void
3698	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4083	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3699	{	4084	{
3700	clear_pending (EV_A_ (W)w);	4085	clear_pending (EV_A_ (W)w);
3701	if (expect_false (!ev_is_active (w)))	4086	if (expect_false (!ev_is_active (w)))
3702	return;	4087	return;
3703		4088
…		…
3720	ev_stop (EV_A_ (W)w);	4105	ev_stop (EV_A_ (W)w);
3721		4106
3722	EV_FREQUENT_CHECK;	4107	EV_FREQUENT_CHECK;
3723	}	4108	}
3724		4109
3725	void noinline	4110	noinline
		4111	void
3726	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4112	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3727	{	4113	{
3728	/* TODO: use adjustheap and recalculation */	4114	/* TODO: use adjustheap and recalculation */
3729	ev_periodic_stop (EV_A_ w);	4115	ev_periodic_stop (EV_A_ w);
3730	ev_periodic_start (EV_A_ w);	4116	ev_periodic_start (EV_A_ w);
3731	}	4117	}
…		…
3735	# define SA_RESTART 0	4121	# define SA_RESTART 0
3736	#endif	4122	#endif
3737		4123
3738	#if EV_SIGNAL_ENABLE	4124	#if EV_SIGNAL_ENABLE
3739		4125
3740	void noinline	4126	noinline
		4127	void
3741	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4128	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3742	{	4129	{
3743	if (expect_false (ev_is_active (w)))	4130	if (expect_false (ev_is_active (w)))
3744	return;	4131	return;
3745		4132
3746	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4133	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3817	}	4204	}
3818		4205
3819	EV_FREQUENT_CHECK;	4206	EV_FREQUENT_CHECK;
3820	}	4207	}
3821		4208
3822	void noinline	4209	noinline
		4210	void
3823	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4211	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3824	{	4212	{
3825	clear_pending (EV_A_ (W)w);	4213	clear_pending (EV_A_ (W)w);
3826	if (expect_false (!ev_is_active (w)))	4214	if (expect_false (!ev_is_active (w)))
3827	return;	4215	return;
3828		4216
…		…
3859	#endif	4247	#endif
3860		4248
3861	#if EV_CHILD_ENABLE	4249	#if EV_CHILD_ENABLE
3862		4250
3863	void	4251	void
3864	ev_child_start (EV_P_ ev_child *w) EV_THROW	4252	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3865	{	4253	{
3866	#if EV_MULTIPLICITY	4254	#if EV_MULTIPLICITY
3867	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4255	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3868	#endif	4256	#endif
3869	if (expect_false (ev_is_active (w)))	4257	if (expect_false (ev_is_active (w)))
…		…
3876		4264
3877	EV_FREQUENT_CHECK;	4265	EV_FREQUENT_CHECK;
3878	}	4266	}
3879		4267
3880	void	4268	void
3881	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4269	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3882	{	4270	{
3883	clear_pending (EV_A_ (W)w);	4271	clear_pending (EV_A_ (W)w);
3884	if (expect_false (!ev_is_active (w)))	4272	if (expect_false (!ev_is_active (w)))
3885	return;	4273	return;
3886		4274
…		…
3903		4291
3904	#define DEF_STAT_INTERVAL 5.0074891	4292	#define DEF_STAT_INTERVAL 5.0074891
3905	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4293	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3906	#define MIN_STAT_INTERVAL 0.1074891	4294	#define MIN_STAT_INTERVAL 0.1074891
3907		4295
3908	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4296	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3909		4297
3910	#if EV_USE_INOTIFY	4298	#if EV_USE_INOTIFY
3911		4299
3912	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4300	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3913	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4301	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3914		4302
3915	static void noinline	4303	noinline
		4304	static void
3916	infy_add (EV_P_ ev_stat *w)	4305	infy_add (EV_P_ ev_stat *w)
3917	{	4306	{
3918	w->wd = inotify_add_watch (fs_fd, w->path,	4307	w->wd = inotify_add_watch (fs_fd, w->path,
3919	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4308	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3920	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4309	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
3984	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4373	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3985	ev_timer_again (EV_A_ &w->timer);	4374	ev_timer_again (EV_A_ &w->timer);
3986	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4375	if (ev_is_active (&w->timer)) ev_unref (EV_A);
3987	}	4376	}
3988		4377
3989	static void noinline	4378	noinline
		4379	static void
3990	infy_del (EV_P_ ev_stat *w)	4380	infy_del (EV_P_ ev_stat *w)
3991	{	4381	{
3992	int slot;	4382	int slot;
3993	int wd = w->wd;	4383	int wd = w->wd;
3994		4384
…		…
4001		4391
4002	/* remove this watcher, if others are watching it, they will rearm */	4392	/* remove this watcher, if others are watching it, they will rearm */
4003	inotify_rm_watch (fs_fd, wd);	4393	inotify_rm_watch (fs_fd, wd);
4004	}	4394	}
4005		4395
4006	static void noinline	4396	noinline
		4397	static void
4007	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4398	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4008	{	4399	{
4009	if (slot < 0)	4400	if (slot < 0)
4010	/* overflow, need to check for all hash slots */	4401	/* overflow, need to check for all hash slots */
4011	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4402	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4047	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4438	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4048	ofs += sizeof (struct inotify_event) + ev->len;	4439	ofs += sizeof (struct inotify_event) + ev->len;
4049	}	4440	}
4050	}	4441	}
4051		4442
4052	inline_size void ecb_cold	4443	inline_size ecb_cold
		4444	void
4053	ev_check_2625 (EV_P)	4445	ev_check_2625 (EV_P)
4054	{	4446	{
4055	/* kernels < 2.6.25 are borked	4447	/* kernels < 2.6.25 are borked
4056	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4448	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4057	*/	4449	*/
…		…
4147	#else	4539	#else
4148	# define EV_LSTAT(p,b) lstat (p, b)	4540	# define EV_LSTAT(p,b) lstat (p, b)
4149	#endif	4541	#endif
4150		4542
4151	void	4543	void
4152	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4544	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4153	{	4545	{
4154	if (lstat (w->path, &w->attr) < 0)	4546	if (lstat (w->path, &w->attr) < 0)
4155	w->attr.st_nlink = 0;	4547	w->attr.st_nlink = 0;
4156	else if (!w->attr.st_nlink)	4548	else if (!w->attr.st_nlink)
4157	w->attr.st_nlink = 1;	4549	w->attr.st_nlink = 1;
4158	}	4550	}
4159		4551
4160	static void noinline	4552	noinline
		4553	static void
4161	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4554	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4162	{	4555	{
4163	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4556	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4164		4557
4165	ev_statdata prev = w->attr;	4558	ev_statdata prev = w->attr;
…		…
4196	ev_feed_event (EV_A_ w, EV_STAT);	4589	ev_feed_event (EV_A_ w, EV_STAT);
4197	}	4590	}
4198	}	4591	}
4199		4592
4200	void	4593	void
4201	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4594	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4202	{	4595	{
4203	if (expect_false (ev_is_active (w)))	4596	if (expect_false (ev_is_active (w)))
4204	return;	4597	return;
4205		4598
4206	ev_stat_stat (EV_A_ w);	4599	ev_stat_stat (EV_A_ w);
…		…
4227		4620
4228	EV_FREQUENT_CHECK;	4621	EV_FREQUENT_CHECK;
4229	}	4622	}
4230		4623
4231	void	4624	void
4232	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4625	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4233	{	4626	{
4234	clear_pending (EV_A_ (W)w);	4627	clear_pending (EV_A_ (W)w);
4235	if (expect_false (!ev_is_active (w)))	4628	if (expect_false (!ev_is_active (w)))
4236	return;	4629	return;
4237		4630
…		…
4253	}	4646	}
4254	#endif	4647	#endif
4255		4648
4256	#if EV_IDLE_ENABLE	4649	#if EV_IDLE_ENABLE
4257	void	4650	void
4258	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4651	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4259	{	4652	{
4260	if (expect_false (ev_is_active (w)))	4653	if (expect_false (ev_is_active (w)))
4261	return;	4654	return;
4262		4655
4263	pri_adjust (EV_A_ (W)w);	4656	pri_adjust (EV_A_ (W)w);
…		…
4268	int active = ++idlecnt [ABSPRI (w)];	4661	int active = ++idlecnt [ABSPRI (w)];
4269		4662
4270	++idleall;	4663	++idleall;
4271	ev_start (EV_A_ (W)w, active);	4664	ev_start (EV_A_ (W)w, active);
4272		4665
4273	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4666	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4274	idles [ABSPRI (w)][active - 1] = w;	4667	idles [ABSPRI (w)][active - 1] = w;
4275	}	4668	}
4276		4669
4277	EV_FREQUENT_CHECK;	4670	EV_FREQUENT_CHECK;
4278	}	4671	}
4279		4672
4280	void	4673	void
4281	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4674	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4282	{	4675	{
4283	clear_pending (EV_A_ (W)w);	4676	clear_pending (EV_A_ (W)w);
4284	if (expect_false (!ev_is_active (w)))	4677	if (expect_false (!ev_is_active (w)))
4285	return;	4678	return;
4286		4679
…		…
4300	}	4693	}
4301	#endif	4694	#endif
4302		4695
4303	#if EV_PREPARE_ENABLE	4696	#if EV_PREPARE_ENABLE
4304	void	4697	void
4305	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4698	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4306	{	4699	{
4307	if (expect_false (ev_is_active (w)))	4700	if (expect_false (ev_is_active (w)))
4308	return;	4701	return;
4309		4702
4310	EV_FREQUENT_CHECK;	4703	EV_FREQUENT_CHECK;
4311		4704
4312	ev_start (EV_A_ (W)w, ++preparecnt);	4705	ev_start (EV_A_ (W)w, ++preparecnt);
4313	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4706	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4314	prepares [preparecnt - 1] = w;	4707	prepares [preparecnt - 1] = w;
4315		4708
4316	EV_FREQUENT_CHECK;	4709	EV_FREQUENT_CHECK;
4317	}	4710	}
4318		4711
4319	void	4712	void
4320	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4713	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4321	{	4714	{
4322	clear_pending (EV_A_ (W)w);	4715	clear_pending (EV_A_ (W)w);
4323	if (expect_false (!ev_is_active (w)))	4716	if (expect_false (!ev_is_active (w)))
4324	return;	4717	return;
4325		4718
…		…
4338	}	4731	}
4339	#endif	4732	#endif
4340		4733
4341	#if EV_CHECK_ENABLE	4734	#if EV_CHECK_ENABLE
4342	void	4735	void
4343	ev_check_start (EV_P_ ev_check *w) EV_THROW	4736	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4344	{	4737	{
4345	if (expect_false (ev_is_active (w)))	4738	if (expect_false (ev_is_active (w)))
4346	return;	4739	return;
4347		4740
4348	EV_FREQUENT_CHECK;	4741	EV_FREQUENT_CHECK;
4349		4742
4350	ev_start (EV_A_ (W)w, ++checkcnt);	4743	ev_start (EV_A_ (W)w, ++checkcnt);
4351	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4744	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4352	checks [checkcnt - 1] = w;	4745	checks [checkcnt - 1] = w;
4353		4746
4354	EV_FREQUENT_CHECK;	4747	EV_FREQUENT_CHECK;
4355	}	4748	}
4356		4749
4357	void	4750	void
4358	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4751	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4359	{	4752	{
4360	clear_pending (EV_A_ (W)w);	4753	clear_pending (EV_A_ (W)w);
4361	if (expect_false (!ev_is_active (w)))	4754	if (expect_false (!ev_is_active (w)))
4362	return;	4755	return;
4363		4756
…		…
4375	EV_FREQUENT_CHECK;	4768	EV_FREQUENT_CHECK;
4376	}	4769	}
4377	#endif	4770	#endif
4378		4771
4379	#if EV_EMBED_ENABLE	4772	#if EV_EMBED_ENABLE
4380	void noinline	4773	noinline
		4774	void
4381	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4775	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4382	{	4776	{
4383	ev_run (w->other, EVRUN_NOWAIT);	4777	ev_run (w->other, EVRUN_NOWAIT);
4384	}	4778	}
4385		4779
4386	static void	4780	static void
…		…
4434	ev_idle_stop (EV_A_ idle);	4828	ev_idle_stop (EV_A_ idle);
4435	}	4829	}
4436	#endif	4830	#endif
4437		4831
4438	void	4832	void
4439	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4833	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4440	{	4834	{
4441	if (expect_false (ev_is_active (w)))	4835	if (expect_false (ev_is_active (w)))
4442	return;	4836	return;
4443		4837
4444	{	4838	{
…		…
4465		4859
4466	EV_FREQUENT_CHECK;	4860	EV_FREQUENT_CHECK;
4467	}	4861	}
4468		4862
4469	void	4863	void
4470	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4864	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4471	{	4865	{
4472	clear_pending (EV_A_ (W)w);	4866	clear_pending (EV_A_ (W)w);
4473	if (expect_false (!ev_is_active (w)))	4867	if (expect_false (!ev_is_active (w)))
4474	return;	4868	return;
4475		4869
…		…
4485	}	4879	}
4486	#endif	4880	#endif
4487		4881
4488	#if EV_FORK_ENABLE	4882	#if EV_FORK_ENABLE
4489	void	4883	void
4490	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4884	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4491	{	4885	{
4492	if (expect_false (ev_is_active (w)))	4886	if (expect_false (ev_is_active (w)))
4493	return;	4887	return;
4494		4888
4495	EV_FREQUENT_CHECK;	4889	EV_FREQUENT_CHECK;
4496		4890
4497	ev_start (EV_A_ (W)w, ++forkcnt);	4891	ev_start (EV_A_ (W)w, ++forkcnt);
4498	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4892	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4499	forks [forkcnt - 1] = w;	4893	forks [forkcnt - 1] = w;
4500		4894
4501	EV_FREQUENT_CHECK;	4895	EV_FREQUENT_CHECK;
4502	}	4896	}
4503		4897
4504	void	4898	void
4505	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4899	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4506	{	4900	{
4507	clear_pending (EV_A_ (W)w);	4901	clear_pending (EV_A_ (W)w);
4508	if (expect_false (!ev_is_active (w)))	4902	if (expect_false (!ev_is_active (w)))
4509	return;	4903	return;
4510		4904
…		…
4523	}	4917	}
4524	#endif	4918	#endif
4525		4919
4526	#if EV_CLEANUP_ENABLE	4920	#if EV_CLEANUP_ENABLE
4527	void	4921	void
4528	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4922	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4529	{	4923	{
4530	if (expect_false (ev_is_active (w)))	4924	if (expect_false (ev_is_active (w)))
4531	return;	4925	return;
4532		4926
4533	EV_FREQUENT_CHECK;	4927	EV_FREQUENT_CHECK;
4534		4928
4535	ev_start (EV_A_ (W)w, ++cleanupcnt);	4929	ev_start (EV_A_ (W)w, ++cleanupcnt);
4536	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	4930	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4537	cleanups [cleanupcnt - 1] = w;	4931	cleanups [cleanupcnt - 1] = w;
4538		4932
4539	/* cleanup watchers should never keep a refcount on the loop */	4933	/* cleanup watchers should never keep a refcount on the loop */
4540	ev_unref (EV_A);	4934	ev_unref (EV_A);
4541	EV_FREQUENT_CHECK;	4935	EV_FREQUENT_CHECK;
4542	}	4936	}
4543		4937
4544	void	4938	void
4545	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4939	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4546	{	4940	{
4547	clear_pending (EV_A_ (W)w);	4941	clear_pending (EV_A_ (W)w);
4548	if (expect_false (!ev_is_active (w)))	4942	if (expect_false (!ev_is_active (w)))
4549	return;	4943	return;
4550		4944
…		…
4564	}	4958	}
4565	#endif	4959	#endif
4566		4960
4567	#if EV_ASYNC_ENABLE	4961	#if EV_ASYNC_ENABLE
4568	void	4962	void
4569	ev_async_start (EV_P_ ev_async *w) EV_THROW	4963	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4570	{	4964	{
4571	if (expect_false (ev_is_active (w)))	4965	if (expect_false (ev_is_active (w)))
4572	return;	4966	return;
4573		4967
4574	w->sent = 0;	4968	w->sent = 0;
…		…
4576	evpipe_init (EV_A);	4970	evpipe_init (EV_A);
4577		4971
4578	EV_FREQUENT_CHECK;	4972	EV_FREQUENT_CHECK;
4579		4973
4580	ev_start (EV_A_ (W)w, ++asynccnt);	4974	ev_start (EV_A_ (W)w, ++asynccnt);
4581	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	4975	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4582	asyncs [asynccnt - 1] = w;	4976	asyncs [asynccnt - 1] = w;
4583		4977
4584	EV_FREQUENT_CHECK;	4978	EV_FREQUENT_CHECK;
4585	}	4979	}
4586		4980
4587	void	4981	void
4588	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4982	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4589	{	4983	{
4590	clear_pending (EV_A_ (W)w);	4984	clear_pending (EV_A_ (W)w);
4591	if (expect_false (!ev_is_active (w)))	4985	if (expect_false (!ev_is_active (w)))
4592	return;	4986	return;
4593		4987
…		…
4604		4998
4605	EV_FREQUENT_CHECK;	4999	EV_FREQUENT_CHECK;
4606	}	5000	}
4607		5001
4608	void	5002	void
4609	ev_async_send (EV_P_ ev_async *w) EV_THROW	5003	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4610	{	5004	{
4611	w->sent = 1;	5005	w->sent = 1;
4612	evpipe_write (EV_A_ &async_pending);	5006	evpipe_write (EV_A_ &async_pending);
4613	}	5007	}
4614	#endif	5008	#endif
…		…
4651		5045
4652	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5046	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4653	}	5047	}
4654		5048
4655	void	5049	void
4656	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5050	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4657	{	5051	{
4658	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5052	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4659
4660	if (expect_false (!once))
4661	{
4662	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4663	return;
4664	}
4665		5053
4666	once->cb = cb;	5054	once->cb = cb;
4667	once->arg = arg;	5055	once->arg = arg;
4668		5056
4669	ev_init (&once->io, once_cb_io);	5057	ev_init (&once->io, once_cb_io);
…		…
4682	}	5070	}
4683		5071
4684	/*****************************************************************************/	5072	/*****************************************************************************/
4685		5073
4686	#if EV_WALK_ENABLE	5074	#if EV_WALK_ENABLE
4687	void ecb_cold	5075	ecb_cold
		5076	void
4688	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5077	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4689	{	5078	{
4690	int i, j;	5079	int i, j;
4691	ev_watcher_list *wl, *wn;	5080	ev_watcher_list *wl, *wn;
4692		5081
4693	if (types & (EV_IO | EV_EMBED))	5082	if (types & (EV_IO | EV_EMBED))

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