ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.442 by root, Thu May 31 15:47:59 2012 UTC vs.
Revision 1.483 by root, Tue Jul 31 04:45:58 2018 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) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
162	# define EV_USE_EVENTFD 0	162	# define EV_USE_EVENTFD 0
163	# endif	163	# endif
164		164
165	#endif	165	#endif
166		166
		167	/* OS X, in its infinite idiocy, actually HARDCODES
		168	* a limit of 1024 into their select. Where people have brains,
		169	* OS X engineers apparently have a vacuum. Or maybe they were
		170	* ordered to have a vacuum, or they do anything for money.
		171	* This might help. Or not.
		172	* Note that this must be defined early, as other include files
		173	* will rely on this define as well.
		174	*/
		175	#define _DARWIN_UNLIMITED_SELECT 1
		176
167	#include <stdlib.h>	177	#include <stdlib.h>
168	#include <string.h>	178	#include <string.h>
169	#include <fcntl.h>	179	#include <fcntl.h>
170	#include <stddef.h>	180	#include <stddef.h>
171		181
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	218	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	219	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	220	# endif
211	# undef EV_AVOID_STDIO	221	# undef EV_AVOID_STDIO
212	#endif	222	#endif
213
214	/* OS X, in its infinite idiocy, actually HARDCODES
215	* a limit of 1024 into their select. Where people have brains,
216	* OS X engineers apparently have a vacuum. Or maybe they were
217	* ordered to have a vacuum, or they do anything for money.
218	* This might help. Or not.
219	*/
220	#define _DARWIN_UNLIMITED_SELECT 1
221		223
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	224	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		225
224	/* try to deduce the maximum number of signals on this platform */	226	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	227	#if defined EV_NSIG
…		…
241	#elif defined SIGARRAYSIZE	243	#elif defined SIGARRAYSIZE
242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	244	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
243	#elif defined _sys_nsig	245	#elif defined _sys_nsig
244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	246	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
245	#else	247	#else
246	# error "unable to find value for NSIG, please report"	248	# 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	249	#endif
251		250
252	#ifndef EV_USE_FLOOR	251	#ifndef EV_USE_FLOOR
253	# define EV_USE_FLOOR 0	252	# define EV_USE_FLOOR 0
254	#endif	253	#endif
255		254
256	#ifndef EV_USE_CLOCK_SYSCALL	255	#ifndef EV_USE_CLOCK_SYSCALL
257	# if __linux && __GLIBC__ >= 2	256	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
258	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	257	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
259	# else	258	# else
260	# define EV_USE_CLOCK_SYSCALL 0	259	# define EV_USE_CLOCK_SYSCALL 0
		260	# endif
		261	#endif
		262
		263	#if !(_POSIX_TIMERS > 0)
		264	# ifndef EV_USE_MONOTONIC
		265	# define EV_USE_MONOTONIC 0
		266	# endif
		267	# ifndef EV_USE_REALTIME
		268	# define EV_USE_REALTIME 0
261	# endif	269	# endif
262	#endif	270	#endif
263		271
264	#ifndef EV_USE_MONOTONIC	272	#ifndef EV_USE_MONOTONIC
265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	273	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
…		…
355	# define EV_USE_4HEAP EV_FEATURE_DATA	363	# define EV_USE_4HEAP EV_FEATURE_DATA
356	#endif	364	#endif
357		365
358	#ifndef EV_HEAP_CACHE_AT	366	#ifndef EV_HEAP_CACHE_AT
359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	367	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
		368	#endif
		369
		370	#ifdef __ANDROID__
		371	/* supposedly, android doesn't typedef fd_mask */
		372	# undef EV_USE_SELECT
		373	# define EV_USE_SELECT 0
		374	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		375	# undef EV_USE_CLOCK_SYSCALL
		376	# define EV_USE_CLOCK_SYSCALL 0
		377	#endif
		378
		379	/* aix's poll.h seems to cause lots of trouble */
		380	#ifdef _AIX
		381	/* AIX has a completely broken poll.h header */
		382	# undef EV_USE_POLL
		383	# define EV_USE_POLL 0
360	#endif	384	#endif
361		385
362	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	386	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
363	/* which makes programs even slower. might work on other unices, too. */	387	/* which makes programs even slower. might work on other unices, too. */
364	#if EV_USE_CLOCK_SYSCALL	388	#if EV_USE_CLOCK_SYSCALL
…		…
372	# define EV_USE_CLOCK_SYSCALL 0	396	# define EV_USE_CLOCK_SYSCALL 0
373	# endif	397	# endif
374	#endif	398	#endif
375		399
376	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	400	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
377
378	#ifdef _AIX
379	/* AIX has a completely broken poll.h header */
380	# undef EV_USE_POLL
381	# define EV_USE_POLL 0
382	#endif
383		401
384	#ifndef CLOCK_MONOTONIC	402	#ifndef CLOCK_MONOTONIC
385	# undef EV_USE_MONOTONIC	403	# undef EV_USE_MONOTONIC
386	# define EV_USE_MONOTONIC 0	404	# define EV_USE_MONOTONIC 0
387	#endif	405	#endif
…		…
475	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	493	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
476	/* ECB.H BEGIN */	494	/* ECB.H BEGIN */
477	/*	495	/*
478	* libecb - http://software.schmorp.de/pkg/libecb	496	* libecb - http://software.schmorp.de/pkg/libecb
479	*	497	*
480	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>	498	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
481	* Copyright (©) 2011 Emanuele Giaquinta	499	* Copyright (©) 2011 Emanuele Giaquinta
482	* All rights reserved.	500	* All rights reserved.
483	*	501	*
484	* Redistribution and use in source and binary forms, with or without modifica-	502	* Redistribution and use in source and binary forms, with or without modifica-
485	* tion, are permitted provided that the following conditions are met:	503	* tion, are permitted provided that the following conditions are met:
…		…
499	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	517	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
500	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	518	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
501	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	519	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
502	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED	520	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
503	* OF THE POSSIBILITY OF SUCH DAMAGE.	521	* OF THE POSSIBILITY OF SUCH DAMAGE.
		522	*
		523	* Alternatively, the contents of this file may be used under the terms of
		524	* the GNU General Public License ("GPL") version 2 or any later version,
		525	* in which case the provisions of the GPL are applicable instead of
		526	* the above. If you wish to allow the use of your version of this file
		527	* only under the terms of the GPL and not to allow others to use your
		528	* version of this file under the BSD license, indicate your decision
		529	* by deleting the provisions above and replace them with the notice
		530	* and other provisions required by the GPL. If you do not delete the
		531	* provisions above, a recipient may use your version of this file under
		532	* either the BSD or the GPL.
504	*/	533	*/
505		534
506	#ifndef ECB_H	535	#ifndef ECB_H
507	#define ECB_H	536	#define ECB_H
508		537
509	/* 16 bits major, 16 bits minor */	538	/* 16 bits major, 16 bits minor */
510	#define ECB_VERSION 0x00010001	539	#define ECB_VERSION 0x00010005
511		540
512	#ifdef _WIN32	541	#ifdef _WIN32
513	typedef signed char int8_t;	542	typedef signed char int8_t;
514	typedef unsigned char uint8_t;	543	typedef unsigned char uint8_t;
515	typedef signed short int16_t;	544	typedef signed short int16_t;
…		…
530	#else	559	#else
531	#define ECB_PTRSIZE 4	560	#define ECB_PTRSIZE 4
532	typedef uint32_t uintptr_t;	561	typedef uint32_t uintptr_t;
533	typedef int32_t intptr_t;	562	typedef int32_t intptr_t;
534	#endif	563	#endif
535	typedef intptr_t ptrdiff_t;
536	#else	564	#else
537	#include <inttypes.h>	565	#include <inttypes.h>
538	#if UINTMAX_MAX > 0xffffffffU	566	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
539	#define ECB_PTRSIZE 8	567	#define ECB_PTRSIZE 8
540	#else	568	#else
541	#define ECB_PTRSIZE 4	569	#define ECB_PTRSIZE 4
		570	#endif
		571	#endif
		572
		573	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		574	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		575
		576	/* work around x32 idiocy by defining proper macros */
		577	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
		578	#if _ILP32
		579	#define ECB_AMD64_X32 1
		580	#else
		581	#define ECB_AMD64 1
542	#endif	582	#endif
543	#endif	583	#endif
544		584
545	/* many compilers define _GNUC_ to some versions but then only implement	585	/* many compilers define _GNUC_ to some versions but then only implement
546	* what their idiot authors think are the "more important" extensions,	586	* what their idiot authors think are the "more important" extensions,
547	* causing enormous grief in return for some better fake benchmark numbers.	587	* causing enormous grief in return for some better fake benchmark numbers.
548	* or so.	588	* or so.
549	* we try to detect these and simply assume they are not gcc - if they have	589	* we try to detect these and simply assume they are not gcc - if they have
550	* an issue with that they should have done it right in the first place.	590	* an issue with that they should have done it right in the first place.
551	*/	591	*/
552	#ifndef ECB_GCC_VERSION
553	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	592	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
554	#define ECB_GCC_VERSION(major,minor) 0	593	#define ECB_GCC_VERSION(major,minor) 0
555	#else	594	#else
556	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	595	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
557	#endif	596	#endif
558	#endif
559		597
560	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */	598	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
561	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	599
562	#define ECB_C11 (__STDC_VERSION__ >= 201112L)	600	#if __clang__ && defined __has_builtin
		601	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		602	#else
		603	#define ECB_CLANG_BUILTIN(x) 0
		604	#endif
		605
		606	#if __clang__ && defined __has_extension
		607	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		608	#else
		609	#define ECB_CLANG_EXTENSION(x) 0
		610	#endif
		611
563	#define ECB_CPP (__cplusplus+0)	612	#define ECB_CPP (__cplusplus+0)
564	#define ECB_CPP11 (__cplusplus >= 201103L)	613	#define ECB_CPP11 (__cplusplus >= 201103L)
565		614
		615	#if ECB_CPP
		616	#define ECB_C 0
		617	#define ECB_STDC_VERSION 0
		618	#else
		619	#define ECB_C 1
		620	#define ECB_STDC_VERSION __STDC_VERSION__
		621	#endif
		622
		623	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		624	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		625
		626	#if ECB_CPP
		627	#define ECB_EXTERN_C extern "C"
		628	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		629	#define ECB_EXTERN_C_END }
		630	#else
		631	#define ECB_EXTERN_C extern
		632	#define ECB_EXTERN_C_BEG
		633	#define ECB_EXTERN_C_END
		634	#endif
		635
566	/*****************************************************************************/	636	/*****************************************************************************/
567		637
568	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	638	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
569	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	639	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
570		640
…		…
572	#define ECB_NO_SMP 1	642	#define ECB_NO_SMP 1
573	#endif	643	#endif
574		644
575	#if ECB_NO_SMP	645	#if ECB_NO_SMP
576	#define ECB_MEMORY_FENCE do { } while (0)	646	#define ECB_MEMORY_FENCE do { } while (0)
		647	#endif
		648
		649	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		650	#if __xlC__ && ECB_CPP
		651	#include <builtins.h>
		652	#endif
		653
		654	#if 1400 <= _MSC_VER
		655	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
577	#endif	656	#endif
578		657
579	#ifndef ECB_MEMORY_FENCE	658	#ifndef ECB_MEMORY_FENCE
580	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	659	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
581	#if __i386 || __i386__	660	#if __i386 || __i386__
582	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	661	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
583	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	662	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
584	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	663	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
585	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	664	#elif ECB_GCC_AMD64
586	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	665	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
587	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	666	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
588	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	667	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
589	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	668	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
590	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	669	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		670	#elif defined __ARM_ARCH_2__ \
		671	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		672	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		673	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		674	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		675	|| defined __ARM_ARCH_5TEJ__
		676	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
591	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	677	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
592	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	678	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		679	|| defined __ARM_ARCH_6T2__
593	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	680	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
594	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	681	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
595	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	682	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
596	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	683	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
597	#elif __sparc || __sparc__	684	#elif __aarch64__
		685	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		686	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
598	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	687	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
599	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	688	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
600	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	689	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
601	#elif defined __s390__ || defined __s390x__	690	#elif defined __s390__ || defined __s390x__
602	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	691	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
603	#elif defined __mips__	692	#elif defined __mips__
		693	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		694	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
604	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	695	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
605	#elif defined __alpha__	696	#elif defined __alpha__
606	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")	697	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
607	#elif defined __hppa__	698	#elif defined __hppa__
608	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")	699	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	700	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
610	#elif defined __ia64__	701	#elif defined __ia64__
611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")	702	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		703	#elif defined __m68k__
		704	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		705	#elif defined __m88k__
		706	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		707	#elif defined __sh__
		708	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
612	#endif	709	#endif
613	#endif	710	#endif
614	#endif	711	#endif
615		712
616	#ifndef ECB_MEMORY_FENCE	713	#ifndef ECB_MEMORY_FENCE
617	#if ECB_GCC_VERSION(4,7)	714	#if ECB_GCC_VERSION(4,7)
618	/* see comment below (stdatomic.h) about the C11 memory model. */	715	/* see comment below (stdatomic.h) about the C11 memory model. */
619	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	716	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
620	#elif defined __clang && __has_feature (cxx_atomic)	717	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		718	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		719
		720	#elif ECB_CLANG_EXTENSION(c_atomic)
621	/* see comment below (stdatomic.h) about the C11 memory model. */	721	/* see comment below (stdatomic.h) about the C11 memory model. */
622	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	722	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		723	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		724	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		725
623	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	726	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
624	#define ECB_MEMORY_FENCE __sync_synchronize ()	727	#define ECB_MEMORY_FENCE __sync_synchronize ()
		728	#elif _MSC_VER >= 1500 /* VC++ 2008 */
		729	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		730	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		731	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		732	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		733	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
625	#elif _MSC_VER >= 1400 /* VC++ 2005 */	734	#elif _MSC_VER >= 1400 /* VC++ 2005 */
626	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	735	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
627	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	736	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
628	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	737	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
629	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	738	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
…		…
649	/* any fence other than seq_cst, which isn't very efficient for us. */	758	/* any fence other than seq_cst, which isn't very efficient for us. */
650	/* Why that is, we don't know - either the C11 memory model is quite useless */	759	/* Why that is, we don't know - either the C11 memory model is quite useless */
651	/* for most usages, or gcc and clang have a bug */	760	/* for most usages, or gcc and clang have a bug */
652	/* I *currently* lean towards the latter, and inefficiently implement */	761	/* I *currently* lean towards the latter, and inefficiently implement */
653	/* all three of ecb's fences as a seq_cst fence */	762	/* all three of ecb's fences as a seq_cst fence */
		763	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		764	/* for all __atomic_thread_fence's except seq_cst */
654	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	765	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
655	#endif	766	#endif
656	#endif	767	#endif
657		768
658	#ifndef ECB_MEMORY_FENCE	769	#ifndef ECB_MEMORY_FENCE
…		…
681	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	792	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
682	#endif	793	#endif
683		794
684	/*****************************************************************************/	795	/*****************************************************************************/
685		796
686	#if __cplusplus	797	#if ECB_CPP
687	#define ecb_inline static inline	798	#define ecb_inline static inline
688	#elif ECB_GCC_VERSION(2,5)	799	#elif ECB_GCC_VERSION(2,5)
689	#define ecb_inline static __inline__	800	#define ecb_inline static __inline__
690	#elif ECB_C99	801	#elif ECB_C99
691	#define ecb_inline static inline	802	#define ecb_inline static inline
…		…
705		816
706	#define ECB_CONCAT_(a, b) a ## b	817	#define ECB_CONCAT_(a, b) a ## b
707	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	818	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
708	#define ECB_STRINGIFY_(a) # a	819	#define ECB_STRINGIFY_(a) # a
709	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	820	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		821	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
710		822
711	#define ecb_function_ ecb_inline	823	#define ecb_function_ ecb_inline
712		824
713	#if ECB_GCC_VERSION(3,1)	825	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
714	#define ecb_attribute(attrlist) __attribute__(attrlist)	826	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		827	#else
		828	#define ecb_attribute(attrlist)
		829	#endif
		830
		831	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
715	#define ecb_is_constant(expr) __builtin_constant_p (expr)	832	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		833	#else
		834	/* possible C11 impl for integral types
		835	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		836	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		837
		838	#define ecb_is_constant(expr) 0
		839	#endif
		840
		841	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
716	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	842	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		843	#else
		844	#define ecb_expect(expr,value) (expr)
		845	#endif
		846
		847	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
717	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	848	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
718	#else	849	#else
719	#define ecb_attribute(attrlist)
720	#define ecb_is_constant(expr) 0
721	#define ecb_expect(expr,value) (expr)
722	#define ecb_prefetch(addr,rw,locality)	850	#define ecb_prefetch(addr,rw,locality)
723	#endif	851	#endif
724		852
725	/* no emulation for ecb_decltype */	853	/* no emulation for ecb_decltype */
726	#if ECB_GCC_VERSION(4,5)	854	#if ECB_CPP11
		855	// older implementations might have problems with decltype(x)::type, work around it
		856	template<class T> struct ecb_decltype_t { typedef T type; };
727	#define ecb_decltype(x) __decltype(x)	857	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
728	#elif ECB_GCC_VERSION(3,0)	858	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
729	#define ecb_decltype(x) __typeof(x)	859	#define ecb_decltype(x) __typeof__ (x)
730	#endif	860	#endif
731		861
		862	#if _MSC_VER >= 1300
		863	#define ecb_deprecated __declspec (deprecated)
		864	#else
		865	#define ecb_deprecated ecb_attribute ((__deprecated__))
		866	#endif
		867
		868	#if _MSC_VER >= 1500
		869	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		870	#elif ECB_GCC_VERSION(4,5)
		871	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		872	#else
		873	#define ecb_deprecated_message(msg) ecb_deprecated
		874	#endif
		875
		876	#if _MSC_VER >= 1400
		877	#define ecb_noinline __declspec (noinline)
		878	#else
732	#define ecb_noinline ecb_attribute ((__noinline__))	879	#define ecb_noinline ecb_attribute ((__noinline__))
		880	#endif
		881
733	#define ecb_unused ecb_attribute ((__unused__))	882	#define ecb_unused ecb_attribute ((__unused__))
734	#define ecb_const ecb_attribute ((__const__))	883	#define ecb_const ecb_attribute ((__const__))
735	#define ecb_pure ecb_attribute ((__pure__))	884	#define ecb_pure ecb_attribute ((__pure__))
736		885
737	#if ECB_C11	886	#if ECB_C11 || __IBMC_NORETURN
		887	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
738	#define ecb_noreturn _Noreturn	888	#define ecb_noreturn _Noreturn
		889	#elif ECB_CPP11
		890	#define ecb_noreturn [[noreturn]]
		891	#elif _MSC_VER >= 1200
		892	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		893	#define ecb_noreturn __declspec (noreturn)
739	#else	894	#else
740	#define ecb_noreturn ecb_attribute ((__noreturn__))	895	#define ecb_noreturn ecb_attribute ((__noreturn__))
741	#endif	896	#endif
742		897
743	#if ECB_GCC_VERSION(4,3)	898	#if ECB_GCC_VERSION(4,3)
…		…
758	/* for compatibility to the rest of the world */	913	/* for compatibility to the rest of the world */
759	#define ecb_likely(expr) ecb_expect_true (expr)	914	#define ecb_likely(expr) ecb_expect_true (expr)
760	#define ecb_unlikely(expr) ecb_expect_false (expr)	915	#define ecb_unlikely(expr) ecb_expect_false (expr)
761		916
762	/* count trailing zero bits and count # of one bits */	917	/* count trailing zero bits and count # of one bits */
763	#if ECB_GCC_VERSION(3,4)	918	#if ECB_GCC_VERSION(3,4) \
		919	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		920	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		921	&& ECB_CLANG_BUILTIN(__builtin_popcount))
764	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	922	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
765	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	923	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
766	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	924	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
767	#define ecb_ctz32(x) __builtin_ctz (x)	925	#define ecb_ctz32(x) __builtin_ctz (x)
768	#define ecb_ctz64(x) __builtin_ctzll (x)	926	#define ecb_ctz64(x) __builtin_ctzll (x)
769	#define ecb_popcount32(x) __builtin_popcount (x)	927	#define ecb_popcount32(x) __builtin_popcount (x)
770	/* no popcountll */	928	/* no popcountll */
771	#else	929	#else
772	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	930	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
773	ecb_function_ int	931	ecb_function_ ecb_const int
774	ecb_ctz32 (uint32_t x)	932	ecb_ctz32 (uint32_t x)
775	{	933	{
		934	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		935	unsigned long r;
		936	_BitScanForward (&r, x);
		937	return (int)r;
		938	#else
776	int r = 0;	939	int r = 0;
777		940
778	x &= ~x + 1; /* this isolates the lowest bit */	941	x &= ~x + 1; /* this isolates the lowest bit */
779		942
780	#if ECB_branchless_on_i386	943	#if ECB_branchless_on_i386
…		…
790	if (x & 0xff00ff00) r += 8;	953	if (x & 0xff00ff00) r += 8;
791	if (x & 0xffff0000) r += 16;	954	if (x & 0xffff0000) r += 16;
792	#endif	955	#endif
793		956
794	return r;	957	return r;
		958	#endif
795	}	959	}
796		960
797	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	961	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
798	ecb_function_ int	962	ecb_function_ ecb_const int
799	ecb_ctz64 (uint64_t x)	963	ecb_ctz64 (uint64_t x)
800	{	964	{
		965	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		966	unsigned long r;
		967	_BitScanForward64 (&r, x);
		968	return (int)r;
		969	#else
801	int shift = x & 0xffffffffU ? 0 : 32;	970	int shift = x & 0xffffffff ? 0 : 32;
802	return ecb_ctz32 (x >> shift) + shift;	971	return ecb_ctz32 (x >> shift) + shift;
		972	#endif
803	}	973	}
804		974
805	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	975	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
806	ecb_function_ int	976	ecb_function_ ecb_const int
807	ecb_popcount32 (uint32_t x)	977	ecb_popcount32 (uint32_t x)
808	{	978	{
809	x -= (x >> 1) & 0x55555555;	979	x -= (x >> 1) & 0x55555555;
810	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	980	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
811	x = ((x >> 4) + x) & 0x0f0f0f0f;	981	x = ((x >> 4) + x) & 0x0f0f0f0f;
812	x *= 0x01010101;	982	x *= 0x01010101;
813		983
814	return x >> 24;	984	return x >> 24;
815	}	985	}
816		986
817	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	987	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
818	ecb_function_ int ecb_ld32 (uint32_t x)	988	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
819	{	989	{
		990	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		991	unsigned long r;
		992	_BitScanReverse (&r, x);
		993	return (int)r;
		994	#else
820	int r = 0;	995	int r = 0;
821		996
822	if (x >> 16) { x >>= 16; r += 16; }	997	if (x >> 16) { x >>= 16; r += 16; }
823	if (x >> 8) { x >>= 8; r += 8; }	998	if (x >> 8) { x >>= 8; r += 8; }
824	if (x >> 4) { x >>= 4; r += 4; }	999	if (x >> 4) { x >>= 4; r += 4; }
825	if (x >> 2) { x >>= 2; r += 2; }	1000	if (x >> 2) { x >>= 2; r += 2; }
826	if (x >> 1) { r += 1; }	1001	if (x >> 1) { r += 1; }
827		1002
828	return r;	1003	return r;
		1004	#endif
829	}	1005	}
830		1006
831	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1007	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
832	ecb_function_ int ecb_ld64 (uint64_t x)	1008	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
833	{	1009	{
		1010	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1011	unsigned long r;
		1012	_BitScanReverse64 (&r, x);
		1013	return (int)r;
		1014	#else
834	int r = 0;	1015	int r = 0;
835		1016
836	if (x >> 32) { x >>= 32; r += 32; }	1017	if (x >> 32) { x >>= 32; r += 32; }
837		1018
838	return r + ecb_ld32 (x);	1019	return r + ecb_ld32 (x);
		1020	#endif
839	}	1021	}
840	#endif	1022	#endif
841		1023
842	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1024	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
843	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1025	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
844	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1026	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
845	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1027	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
846		1028
847	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1029	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
848	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1030	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
849	{	1031	{
850	return ( (x * 0x0802U & 0x22110U)	1032	return ( (x * 0x0802U & 0x22110U)
851	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1033	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
852	}	1034	}
853		1035
854	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1036	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
855	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1037	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
856	{	1038	{
857	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1039	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
858	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1040	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
859	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1041	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
860	x = ( x >> 8 ) | ( x << 8);	1042	x = ( x >> 8 ) | ( x << 8);
861		1043
862	return x;	1044	return x;
863	}	1045	}
864		1046
865	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1047	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
866	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1048	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
867	{	1049	{
868	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1050	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
869	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1051	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
870	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1052	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
871	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1053	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
874	return x;	1056	return x;
875	}	1057	}
876		1058
877	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1059	/* popcount64 is only available on 64 bit cpus as gcc builtin */
878	/* so for this version we are lazy */	1060	/* so for this version we are lazy */
879	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1061	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
880	ecb_function_ int	1062	ecb_function_ ecb_const int
881	ecb_popcount64 (uint64_t x)	1063	ecb_popcount64 (uint64_t x)
882	{	1064	{
883	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1065	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
884	}	1066	}
885		1067
886	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1068	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
887	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1069	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
888	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1070	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
889	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1071	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
890	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1072	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
891	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1073	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
892	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1074	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
893	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1075	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
894		1076
895	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1077	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
896	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1078	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
897	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1079	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
898	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1080	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
899	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1081	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
900	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1082	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
901	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1083	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
902	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1084	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
903		1085
904	#if ECB_GCC_VERSION(4,3)	1086	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1087	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1088	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1089	#else
905	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1090	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1091	#endif
906	#define ecb_bswap32(x) __builtin_bswap32 (x)	1092	#define ecb_bswap32(x) __builtin_bswap32 (x)
907	#define ecb_bswap64(x) __builtin_bswap64 (x)	1093	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1094	#elif _MSC_VER
		1095	#include <stdlib.h>
		1096	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1097	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1098	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
908	#else	1099	#else
909	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1100	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
910	ecb_function_ uint16_t	1101	ecb_function_ ecb_const uint16_t
911	ecb_bswap16 (uint16_t x)	1102	ecb_bswap16 (uint16_t x)
912	{	1103	{
913	return ecb_rotl16 (x, 8);	1104	return ecb_rotl16 (x, 8);
914	}	1105	}
915		1106
916	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1107	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
917	ecb_function_ uint32_t	1108	ecb_function_ ecb_const uint32_t
918	ecb_bswap32 (uint32_t x)	1109	ecb_bswap32 (uint32_t x)
919	{	1110	{
920	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1111	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
921	}	1112	}
922		1113
923	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1114	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
924	ecb_function_ uint64_t	1115	ecb_function_ ecb_const uint64_t
925	ecb_bswap64 (uint64_t x)	1116	ecb_bswap64 (uint64_t x)
926	{	1117	{
927	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1118	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
928	}	1119	}
929	#endif	1120	#endif
930		1121
931	#if ECB_GCC_VERSION(4,5)	1122	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
932	#define ecb_unreachable() __builtin_unreachable ()	1123	#define ecb_unreachable() __builtin_unreachable ()
933	#else	1124	#else
934	/* this seems to work fine, but gcc always emits a warning for it :/ */	1125	/* this seems to work fine, but gcc always emits a warning for it :/ */
935	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1126	ecb_inline ecb_noreturn void ecb_unreachable (void);
936	ecb_inline void ecb_unreachable (void) { }	1127	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
937	#endif	1128	#endif
938		1129
939	/* try to tell the compiler that some condition is definitely true */	1130	/* try to tell the compiler that some condition is definitely true */
940	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	1131	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
941		1132
942	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1133	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
943	ecb_inline unsigned char	1134	ecb_inline ecb_const uint32_t
944	ecb_byteorder_helper (void)	1135	ecb_byteorder_helper (void)
945	{	1136	{
946	const uint32_t u = 0x11223344;	1137	/* the union code still generates code under pressure in gcc, */
947	return *(unsigned char *)&u;	1138	/* but less than using pointers, and always seems to */
		1139	/* successfully return a constant. */
		1140	/* the reason why we have this horrible preprocessor mess */
		1141	/* is to avoid it in all cases, at least on common architectures */
		1142	/* or when using a recent enough gcc version (>= 4.6) */
		1143	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1144	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1145	#define ECB_LITTLE_ENDIAN 1
		1146	return 0x44332211;
		1147	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1148	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1149	#define ECB_BIG_ENDIAN 1
		1150	return 0x11223344;
		1151	#else
		1152	union
		1153	{
		1154	uint8_t c[4];
		1155	uint32_t u;
		1156	} u = { 0x11, 0x22, 0x33, 0x44 };
		1157	return u.u;
		1158	#endif
948	}	1159	}
949		1160
950	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1161	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
951	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1162	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
952	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1163	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
953	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1164	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
954		1165
955	#if ECB_GCC_VERSION(3,0) || ECB_C99	1166	#if ECB_GCC_VERSION(3,0) || ECB_C99
956	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1167	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
957	#else	1168	#else
958	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1169	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
959	#endif	1170	#endif
960		1171
961	#if __cplusplus	1172	#if ECB_CPP
962	template<typename T>	1173	template<typename T>
963	static inline T ecb_div_rd (T val, T div)	1174	static inline T ecb_div_rd (T val, T div)
964	{	1175	{
965	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1176	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
966	}	1177	}
…		…
983	}	1194	}
984	#else	1195	#else
985	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1196	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
986	#endif	1197	#endif
987		1198
		1199	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1200	ecb_function_ ecb_const uint32_t
		1201	ecb_binary16_to_binary32 (uint32_t x)
		1202	{
		1203	unsigned int s = (x & 0x8000) << (31 - 15);
		1204	int e = (x >> 10) & 0x001f;
		1205	unsigned int m = x & 0x03ff;
		1206
		1207	if (ecb_expect_false (e == 31))
		1208	/* infinity or NaN */
		1209	e = 255 - (127 - 15);
		1210	else if (ecb_expect_false (!e))
		1211	{
		1212	if (ecb_expect_true (!m))
		1213	/* zero, handled by code below by forcing e to 0 */
		1214	e = 0 - (127 - 15);
		1215	else
		1216	{
		1217	/* subnormal, renormalise */
		1218	unsigned int s = 10 - ecb_ld32 (m);
		1219
		1220	m = (m << s) & 0x3ff; /* mask implicit bit */
		1221	e -= s - 1;
		1222	}
		1223	}
		1224
		1225	/* e and m now are normalised, or zero, (or inf or nan) */
		1226	e += 127 - 15;
		1227
		1228	return s | (e << 23) | (m << (23 - 10));
		1229	}
		1230
		1231	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1232	ecb_function_ ecb_const uint16_t
		1233	ecb_binary32_to_binary16 (uint32_t x)
		1234	{
		1235	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1236	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1237	unsigned int m = x & 0x007fffff;
		1238
		1239	x &= 0x7fffffff;
		1240
		1241	/* if it's within range of binary16 normals, use fast path */
		1242	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1243	{
		1244	/* mantissa round-to-even */
		1245	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1246
		1247	/* handle overflow */
		1248	if (ecb_expect_false (m >= 0x00800000))
		1249	{
		1250	m >>= 1;
		1251	e += 1;
		1252	}
		1253
		1254	return s | (e << 10) | (m >> (23 - 10));
		1255	}
		1256
		1257	/* handle large numbers and infinity */
		1258	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1259	return s | 0x7c00;
		1260
		1261	/* handle zero, subnormals and small numbers */
		1262	if (ecb_expect_true (x < 0x38800000))
		1263	{
		1264	/* zero */
		1265	if (ecb_expect_true (!x))
		1266	return s;
		1267
		1268	/* handle subnormals */
		1269
		1270	/* too small, will be zero */
		1271	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1272	return s;
		1273
		1274	m |= 0x00800000; /* make implicit bit explicit */
		1275
		1276	/* very tricky - we need to round to the nearest e (+10) bit value */
		1277	{
		1278	unsigned int bits = 14 - e;
		1279	unsigned int half = (1 << (bits - 1)) - 1;
		1280	unsigned int even = (m >> bits) & 1;
		1281
		1282	/* if this overflows, we will end up with a normalised number */
		1283	m = (m + half + even) >> bits;
		1284	}
		1285
		1286	return s | m;
		1287	}
		1288
		1289	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1290	m >>= 13;
		1291
		1292	return s | 0x7c00 | m | !m;
		1293	}
		1294
		1295	/*******************************************************************************/
		1296	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1297
		1298	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1299	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1300	#if 0 \
		1301	|| __i386 || __i386__ \
		1302	|| ECB_GCC_AMD64 \
		1303	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1304	|| defined __s390__ || defined __s390x__ \
		1305	|| defined __mips__ \
		1306	|| defined __alpha__ \
		1307	|| defined __hppa__ \
		1308	|| defined __ia64__ \
		1309	|| defined __m68k__ \
		1310	|| defined __m88k__ \
		1311	|| defined __sh__ \
		1312	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1313	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1314	|| defined __aarch64__
		1315	#define ECB_STDFP 1
		1316	#include <string.h> /* for memcpy */
		1317	#else
		1318	#define ECB_STDFP 0
		1319	#endif
		1320
		1321	#ifndef ECB_NO_LIBM
		1322
		1323	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1324
		1325	/* only the oldest of old doesn't have this one. solaris. */
		1326	#ifdef INFINITY
		1327	#define ECB_INFINITY INFINITY
		1328	#else
		1329	#define ECB_INFINITY HUGE_VAL
		1330	#endif
		1331
		1332	#ifdef NAN
		1333	#define ECB_NAN NAN
		1334	#else
		1335	#define ECB_NAN ECB_INFINITY
		1336	#endif
		1337
		1338	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1339	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1340	#define ecb_frexpf(x,e) frexpf ((x), (e))
		1341	#else
		1342	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
		1343	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
		1344	#endif
		1345
		1346	/* convert a float to ieee single/binary32 */
		1347	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
		1348	ecb_function_ ecb_const uint32_t
		1349	ecb_float_to_binary32 (float x)
		1350	{
		1351	uint32_t r;
		1352
		1353	#if ECB_STDFP
		1354	memcpy (&r, &x, 4);
		1355	#else
		1356	/* slow emulation, works for anything but -0 */
		1357	uint32_t m;
		1358	int e;
		1359
		1360	if (x == 0e0f ) return 0x00000000U;
		1361	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1362	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1363	if (x != x ) return 0x7fbfffffU;
		1364
		1365	m = ecb_frexpf (x, &e) * 0x1000000U;
		1366
		1367	r = m & 0x80000000U;
		1368
		1369	if (r)
		1370	m = -m;
		1371
		1372	if (e <= -126)
		1373	{
		1374	m &= 0xffffffU;
		1375	m >>= (-125 - e);
		1376	e = -126;
		1377	}
		1378
		1379	r |= (e + 126) << 23;
		1380	r |= m & 0x7fffffU;
		1381	#endif
		1382
		1383	return r;
		1384	}
		1385
		1386	/* converts an ieee single/binary32 to a float */
		1387	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
		1388	ecb_function_ ecb_const float
		1389	ecb_binary32_to_float (uint32_t x)
		1390	{
		1391	float r;
		1392
		1393	#if ECB_STDFP
		1394	memcpy (&r, &x, 4);
		1395	#else
		1396	/* emulation, only works for normals and subnormals and +0 */
		1397	int neg = x >> 31;
		1398	int e = (x >> 23) & 0xffU;
		1399
		1400	x &= 0x7fffffU;
		1401
		1402	if (e)
		1403	x |= 0x800000U;
		1404	else
		1405	e = 1;
		1406
		1407	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1408	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
		1409
		1410	r = neg ? -r : r;
		1411	#endif
		1412
		1413	return r;
		1414	}
		1415
		1416	/* convert a double to ieee double/binary64 */
		1417	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
		1418	ecb_function_ ecb_const uint64_t
		1419	ecb_double_to_binary64 (double x)
		1420	{
		1421	uint64_t r;
		1422
		1423	#if ECB_STDFP
		1424	memcpy (&r, &x, 8);
		1425	#else
		1426	/* slow emulation, works for anything but -0 */
		1427	uint64_t m;
		1428	int e;
		1429
		1430	if (x == 0e0 ) return 0x0000000000000000U;
		1431	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1432	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1433	if (x != x ) return 0X7ff7ffffffffffffU;
		1434
		1435	m = frexp (x, &e) * 0x20000000000000U;
		1436
		1437	r = m & 0x8000000000000000;;
		1438
		1439	if (r)
		1440	m = -m;
		1441
		1442	if (e <= -1022)
		1443	{
		1444	m &= 0x1fffffffffffffU;
		1445	m >>= (-1021 - e);
		1446	e = -1022;
		1447	}
		1448
		1449	r |= ((uint64_t)(e + 1022)) << 52;
		1450	r |= m & 0xfffffffffffffU;
		1451	#endif
		1452
		1453	return r;
		1454	}
		1455
		1456	/* converts an ieee double/binary64 to a double */
		1457	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
		1458	ecb_function_ ecb_const double
		1459	ecb_binary64_to_double (uint64_t x)
		1460	{
		1461	double r;
		1462
		1463	#if ECB_STDFP
		1464	memcpy (&r, &x, 8);
		1465	#else
		1466	/* emulation, only works for normals and subnormals and +0 */
		1467	int neg = x >> 63;
		1468	int e = (x >> 52) & 0x7ffU;
		1469
		1470	x &= 0xfffffffffffffU;
		1471
		1472	if (e)
		1473	x |= 0x10000000000000U;
		1474	else
		1475	e = 1;
		1476
		1477	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1478	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1479
		1480	r = neg ? -r : r;
		1481	#endif
		1482
		1483	return r;
		1484	}
		1485
		1486	/* convert a float to ieee half/binary16 */
		1487	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1488	ecb_function_ ecb_const uint16_t
		1489	ecb_float_to_binary16 (float x)
		1490	{
		1491	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1492	}
		1493
		1494	/* convert an ieee half/binary16 to float */
		1495	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1496	ecb_function_ ecb_const float
		1497	ecb_binary16_to_float (uint16_t x)
		1498	{
		1499	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1500	}
		1501
		1502	#endif
		1503
988	#endif	1504	#endif
989		1505
990	/* ECB.H END */	1506	/* ECB.H END */
991		1507
992	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1508	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
…		…
1013	#define inline_size ecb_inline	1529	#define inline_size ecb_inline
1014		1530
1015	#if EV_FEATURE_CODE	1531	#if EV_FEATURE_CODE
1016	# define inline_speed ecb_inline	1532	# define inline_speed ecb_inline
1017	#else	1533	#else
1018	# define inline_speed static noinline	1534	# define inline_speed noinline static
1019	#endif	1535	#endif
1020		1536
1021	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1537	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1022		1538
1023	#if EV_MINPRI == EV_MAXPRI	1539	#if EV_MINPRI == EV_MAXPRI
…		…
1070	#else	1586	#else
1071		1587
1072	#include <float.h>	1588	#include <float.h>
1073		1589
1074	/* a floor() replacement function, should be independent of ev_tstamp type */	1590	/* a floor() replacement function, should be independent of ev_tstamp type */
		1591	noinline
1075	static ev_tstamp noinline	1592	static ev_tstamp
1076	ev_floor (ev_tstamp v)	1593	ev_floor (ev_tstamp v)
1077	{	1594	{
1078	/* the choice of shift factor is not terribly important */	1595	/* the choice of shift factor is not terribly important */
1079	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1596	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1080	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1597	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1112		1629
1113	#ifdef __linux	1630	#ifdef __linux
1114	# include <sys/utsname.h>	1631	# include <sys/utsname.h>
1115	#endif	1632	#endif
1116		1633
1117	static unsigned int noinline ecb_cold	1634	noinline ecb_cold
		1635	static unsigned int
1118	ev_linux_version (void)	1636	ev_linux_version (void)
1119	{	1637	{
1120	#ifdef __linux	1638	#ifdef __linux
1121	unsigned int v = 0;	1639	unsigned int v = 0;
1122	struct utsname buf;	1640	struct utsname buf;
…		…
1151	}	1669	}
1152		1670
1153	/*****************************************************************************/	1671	/*****************************************************************************/
1154		1672
1155	#if EV_AVOID_STDIO	1673	#if EV_AVOID_STDIO
1156	static void noinline ecb_cold	1674	noinline ecb_cold
		1675	static void
1157	ev_printerr (const char *msg)	1676	ev_printerr (const char *msg)
1158	{	1677	{
1159	write (STDERR_FILENO, msg, strlen (msg));	1678	write (STDERR_FILENO, msg, strlen (msg));
1160	}	1679	}
1161	#endif	1680	#endif
1162		1681
1163	static void (*syserr_cb)(const char *msg) EV_THROW;	1682	static void (*syserr_cb)(const char *msg) EV_THROW;
1164		1683
1165	void ecb_cold	1684	ecb_cold
		1685	void
1166	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1686	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1167	{	1687	{
1168	syserr_cb = cb;	1688	syserr_cb = cb;
1169	}	1689	}
1170		1690
1171	static void noinline ecb_cold	1691	noinline ecb_cold
		1692	static void
1172	ev_syserr (const char *msg)	1693	ev_syserr (const char *msg)
1173	{	1694	{
1174	if (!msg)	1695	if (!msg)
1175	msg = "(libev) system error";	1696	msg = "(libev) system error";
1176		1697
…		…
1191	}	1712	}
1192		1713
1193	static void *	1714	static void *
1194	ev_realloc_emul (void *ptr, long size) EV_THROW	1715	ev_realloc_emul (void *ptr, long size) EV_THROW
1195	{	1716	{
1196	#if __GLIBC__
1197	return realloc (ptr, size);
1198	#else
1199	/* some systems, notably openbsd and darwin, fail to properly	1717	/* some systems, notably openbsd and darwin, fail to properly
1200	* implement realloc (x, 0) (as required by both ansi c-89 and	1718	* implement realloc (x, 0) (as required by both ansi c-89 and
1201	* the single unix specification, so work around them here.	1719	* the single unix specification, so work around them here.
		1720	* recently, also (at least) fedora and debian started breaking it,
		1721	* despite documenting it otherwise.
1202	*/	1722	*/
1203		1723
1204	if (size)	1724	if (size)
1205	return realloc (ptr, size);	1725	return realloc (ptr, size);
1206		1726
1207	free (ptr);	1727	free (ptr);
1208	return 0;	1728	return 0;
1209	#endif
1210	}	1729	}
1211		1730
1212	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1731	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1213		1732
1214	void ecb_cold	1733	ecb_cold
		1734	void
1215	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1735	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1216	{	1736	{
1217	alloc = cb;	1737	alloc = cb;
1218	}	1738	}
1219		1739
…		…
1388	struct timespec ts;	1908	struct timespec ts;
1389		1909
1390	EV_TS_SET (ts, delay);	1910	EV_TS_SET (ts, delay);
1391	nanosleep (&ts, 0);	1911	nanosleep (&ts, 0);
1392	#elif defined _WIN32	1912	#elif defined _WIN32
		1913	/* maybe this should round up, as ms is very low resolution */
		1914	/* compared to select (µs) or nanosleep (ns) */
1393	Sleep ((unsigned long)(delay * 1e3));	1915	Sleep ((unsigned long)(delay * 1e3));
1394	#else	1916	#else
1395	struct timeval tv;	1917	struct timeval tv;
1396		1918
1397	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1919	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1428	}	1950	}
1429		1951
1430	return ncur;	1952	return ncur;
1431	}	1953	}
1432		1954
1433	static void * noinline ecb_cold	1955	noinline ecb_cold
		1956	static void *
1434	array_realloc (int elem, void *base, int *cur, int cnt)	1957	array_realloc (int elem, void *base, int *cur, int cnt)
1435	{	1958	{
1436	*cur = array_nextsize (elem, *cur, cnt);	1959	*cur = array_nextsize (elem, *cur, cnt);
1437	return ev_realloc (base, elem * *cur);	1960	return ev_realloc (base, elem * *cur);
1438	}	1961	}
…		…
1441	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1964	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1442		1965
1443	#define array_needsize(type,base,cur,cnt,init) \	1966	#define array_needsize(type,base,cur,cnt,init) \
1444	if (expect_false ((cnt) > (cur))) \	1967	if (expect_false ((cnt) > (cur))) \
1445	{ \	1968	{ \
1446	int ecb_unused ocur_ = (cur); \	1969	ecb_unused int ocur_ = (cur); \
1447	(base) = (type *)array_realloc \	1970	(base) = (type *)array_realloc \
1448	(sizeof (type), (base), &(cur), (cnt)); \	1971	(sizeof (type), (base), &(cur), (cnt)); \
1449	init ((base) + (ocur_), (cur) - ocur_); \	1972	init ((base) + (ocur_), (cur) - ocur_); \
1450	}	1973	}
1451		1974
…		…
1463	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	1986	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1464		1987
1465	/*****************************************************************************/	1988	/*****************************************************************************/
1466		1989
1467	/* dummy callback for pending events */	1990	/* dummy callback for pending events */
1468	static void noinline	1991	noinline
		1992	static void
1469	pendingcb (EV_P_ ev_prepare *w, int revents)	1993	pendingcb (EV_P_ ev_prepare *w, int revents)
1470	{	1994	{
1471	}	1995	}
1472		1996
1473	void noinline	1997	noinline
		1998	void
1474	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	1999	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1475	{	2000	{
1476	W w_ = (W)w;	2001	W w_ = (W)w;
1477	int pri = ABSPRI (w_);	2002	int pri = ABSPRI (w_);
1478		2003
…		…
1608		2133
1609	fdchangecnt = 0;	2134	fdchangecnt = 0;
1610	}	2135	}
1611		2136
1612	/* something about the given fd changed */	2137	/* something about the given fd changed */
1613	inline_size void	2138	inline_size
		2139	void
1614	fd_change (EV_P_ int fd, int flags)	2140	fd_change (EV_P_ int fd, int flags)
1615	{	2141	{
1616	unsigned char reify = anfds [fd].reify;	2142	unsigned char reify = anfds [fd].reify;
1617	anfds [fd].reify |= flags;	2143	anfds [fd].reify |= flags;
1618		2144
…		…
1623	fdchanges [fdchangecnt - 1] = fd;	2149	fdchanges [fdchangecnt - 1] = fd;
1624	}	2150	}
1625	}	2151	}
1626		2152
1627	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2153	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1628	inline_speed void ecb_cold	2154	inline_speed ecb_cold void
1629	fd_kill (EV_P_ int fd)	2155	fd_kill (EV_P_ int fd)
1630	{	2156	{
1631	ev_io *w;	2157	ev_io *w;
1632		2158
1633	while ((w = (ev_io *)anfds [fd].head))	2159	while ((w = (ev_io *)anfds [fd].head))
…		…
1636	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2162	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1637	}	2163	}
1638	}	2164	}
1639		2165
1640	/* check whether the given fd is actually valid, for error recovery */	2166	/* check whether the given fd is actually valid, for error recovery */
1641	inline_size int ecb_cold	2167	inline_size ecb_cold int
1642	fd_valid (int fd)	2168	fd_valid (int fd)
1643	{	2169	{
1644	#ifdef _WIN32	2170	#ifdef _WIN32
1645	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2171	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1646	#else	2172	#else
1647	return fcntl (fd, F_GETFD) != -1;	2173	return fcntl (fd, F_GETFD) != -1;
1648	#endif	2174	#endif
1649	}	2175	}
1650		2176
1651	/* called on EBADF to verify fds */	2177	/* called on EBADF to verify fds */
1652	static void noinline ecb_cold	2178	noinline ecb_cold
		2179	static void
1653	fd_ebadf (EV_P)	2180	fd_ebadf (EV_P)
1654	{	2181	{
1655	int fd;	2182	int fd;
1656		2183
1657	for (fd = 0; fd < anfdmax; ++fd)	2184	for (fd = 0; fd < anfdmax; ++fd)
…		…
1659	if (!fd_valid (fd) && errno == EBADF)	2186	if (!fd_valid (fd) && errno == EBADF)
1660	fd_kill (EV_A_ fd);	2187	fd_kill (EV_A_ fd);
1661	}	2188	}
1662		2189
1663	/* called on ENOMEM in select/poll to kill some fds and retry */	2190	/* called on ENOMEM in select/poll to kill some fds and retry */
1664	static void noinline ecb_cold	2191	noinline ecb_cold
		2192	static void
1665	fd_enomem (EV_P)	2193	fd_enomem (EV_P)
1666	{	2194	{
1667	int fd;	2195	int fd;
1668		2196
1669	for (fd = anfdmax; fd--; )	2197	for (fd = anfdmax; fd--; )
…		…
1673	break;	2201	break;
1674	}	2202	}
1675	}	2203	}
1676		2204
1677	/* usually called after fork if backend needs to re-arm all fds from scratch */	2205	/* usually called after fork if backend needs to re-arm all fds from scratch */
1678	static void noinline	2206	noinline
		2207	static void
1679	fd_rearm_all (EV_P)	2208	fd_rearm_all (EV_P)
1680	{	2209	{
1681	int fd;	2210	int fd;
1682		2211
1683	for (fd = 0; fd < anfdmax; ++fd)	2212	for (fd = 0; fd < anfdmax; ++fd)
…		…
1864		2393
1865	/*****************************************************************************/	2394	/*****************************************************************************/
1866		2395
1867	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2396	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1868		2397
1869	static void noinline ecb_cold	2398	noinline ecb_cold
		2399	static void
1870	evpipe_init (EV_P)	2400	evpipe_init (EV_P)
1871	{	2401	{
1872	if (!ev_is_active (&pipe_w))	2402	if (!ev_is_active (&pipe_w))
1873	{	2403	{
		2404	int fds [2];
		2405
1874	# if EV_USE_EVENTFD	2406	# if EV_USE_EVENTFD
		2407	fds [0] = -1;
1875	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2408	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1876	if (evfd < 0 && errno == EINVAL)	2409	if (fds [1] < 0 && errno == EINVAL)
1877	evfd = eventfd (0, 0);	2410	fds [1] = eventfd (0, 0);
1878		2411
1879	if (evfd >= 0)	2412	if (fds [1] < 0)
1880	{
1881	evpipe [0] = -1;
1882	fd_intern (evfd); /* doing it twice doesn't hurt */
1883	ev_io_set (&pipe_w, evfd, EV_READ);
1884	}
1885	else
1886	# endif	2413	# endif
1887	{	2414	{
1888	while (pipe (evpipe))	2415	while (pipe (fds))
1889	ev_syserr ("(libev) error creating signal/async pipe");	2416	ev_syserr ("(libev) error creating signal/async pipe");
1890		2417
1891	fd_intern (evpipe [0]);	2418	fd_intern (fds [0]);
1892	fd_intern (evpipe [1]);
1893	ev_io_set (&pipe_w, evpipe [0], EV_READ);
1894	}	2419	}
1895		2420
		2421	evpipe [0] = fds [0];
		2422
		2423	if (evpipe [1] < 0)
		2424	evpipe [1] = fds [1]; /* first call, set write fd */
		2425	else
		2426	{
		2427	/* on subsequent calls, do not change evpipe [1] */
		2428	/* so that evpipe_write can always rely on its value. */
		2429	/* this branch does not do anything sensible on windows, */
		2430	/* so must not be executed on windows */
		2431
		2432	dup2 (fds [1], evpipe [1]);
		2433	close (fds [1]);
		2434	}
		2435
		2436	fd_intern (evpipe [1]);
		2437
		2438	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
1896	ev_io_start (EV_A_ &pipe_w);	2439	ev_io_start (EV_A_ &pipe_w);
1897	ev_unref (EV_A); /* watcher should not keep loop alive */	2440	ev_unref (EV_A); /* watcher should not keep loop alive */
1898	}	2441	}
1899	}	2442	}
1900		2443
…		…
1921	ECB_MEMORY_FENCE_RELEASE;	2464	ECB_MEMORY_FENCE_RELEASE;
1922		2465
1923	old_errno = errno; /* save errno because write will clobber it */	2466	old_errno = errno; /* save errno because write will clobber it */
1924		2467
1925	#if EV_USE_EVENTFD	2468	#if EV_USE_EVENTFD
1926	if (evfd >= 0)	2469	if (evpipe [0] < 0)
1927	{	2470	{
1928	uint64_t counter = 1;	2471	uint64_t counter = 1;
1929	write (evfd, &counter, sizeof (uint64_t));	2472	write (evpipe [1], &counter, sizeof (uint64_t));
1930	}	2473	}
1931	else	2474	else
1932	#endif	2475	#endif
1933	{	2476	{
1934	#ifdef _WIN32	2477	#ifdef _WIN32
…		…
1954	int i;	2497	int i;
1955		2498
1956	if (revents & EV_READ)	2499	if (revents & EV_READ)
1957	{	2500	{
1958	#if EV_USE_EVENTFD	2501	#if EV_USE_EVENTFD
1959	if (evfd >= 0)	2502	if (evpipe [0] < 0)
1960	{	2503	{
1961	uint64_t counter;	2504	uint64_t counter;
1962	read (evfd, &counter, sizeof (uint64_t));	2505	read (evpipe [1], &counter, sizeof (uint64_t));
1963	}	2506	}
1964	else	2507	else
1965	#endif	2508	#endif
1966	{	2509	{
1967	char dummy[4];	2510	char dummy[4];
…		…
2017		2560
2018	void	2561	void
2019	ev_feed_signal (int signum) EV_THROW	2562	ev_feed_signal (int signum) EV_THROW
2020	{	2563	{
2021	#if EV_MULTIPLICITY	2564	#if EV_MULTIPLICITY
		2565	EV_P;
		2566	ECB_MEMORY_FENCE_ACQUIRE;
2022	EV_P = signals [signum - 1].loop;	2567	EV_A = signals [signum - 1].loop;
2023		2568
2024	if (!EV_A)	2569	if (!EV_A)
2025	return;	2570	return;
2026	#endif	2571	#endif
2027		2572
2028	if (!ev_active (&pipe_w))
2029	return;
2030
2031	signals [signum - 1].pending = 1;	2573	signals [signum - 1].pending = 1;
2032	evpipe_write (EV_A_ &sig_pending);	2574	evpipe_write (EV_A_ &sig_pending);
2033	}	2575	}
2034		2576
2035	static void	2577	static void
…		…
2040	#endif	2582	#endif
2041		2583
2042	ev_feed_signal (signum);	2584	ev_feed_signal (signum);
2043	}	2585	}
2044		2586
2045	void noinline	2587	noinline
		2588	void
2046	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2589	ev_feed_signal_event (EV_P_ int signum) EV_THROW
2047	{	2590	{
2048	WL w;	2591	WL w;
2049		2592
2050	if (expect_false (signum <= 0 || signum > EV_NSIG))	2593	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2051	return;	2594	return;
2052		2595
2053	--signum;	2596	--signum;
2054		2597
2055	#if EV_MULTIPLICITY	2598	#if EV_MULTIPLICITY
…		…
2167	#endif	2710	#endif
2168	#if EV_USE_SELECT	2711	#if EV_USE_SELECT
2169	# include "ev_select.c"	2712	# include "ev_select.c"
2170	#endif	2713	#endif
2171		2714
2172	int ecb_cold	2715	ecb_cold int
2173	ev_version_major (void) EV_THROW	2716	ev_version_major (void) EV_THROW
2174	{	2717	{
2175	return EV_VERSION_MAJOR;	2718	return EV_VERSION_MAJOR;
2176	}	2719	}
2177		2720
2178	int ecb_cold	2721	ecb_cold int
2179	ev_version_minor (void) EV_THROW	2722	ev_version_minor (void) EV_THROW
2180	{	2723	{
2181	return EV_VERSION_MINOR;	2724	return EV_VERSION_MINOR;
2182	}	2725	}
2183		2726
2184	/* return true if we are running with elevated privileges and should ignore env variables */	2727	/* return true if we are running with elevated privileges and should ignore env variables */
2185	int inline_size ecb_cold	2728	inline_size ecb_cold int
2186	enable_secure (void)	2729	enable_secure (void)
2187	{	2730	{
2188	#ifdef _WIN32	2731	#ifdef _WIN32
2189	return 0;	2732	return 0;
2190	#else	2733	#else
2191	return getuid () != geteuid ()	2734	return getuid () != geteuid ()
2192	|| getgid () != getegid ();	2735	|| getgid () != getegid ();
2193	#endif	2736	#endif
2194	}	2737	}
2195		2738
2196	unsigned int ecb_cold	2739	ecb_cold
		2740	unsigned int
2197	ev_supported_backends (void) EV_THROW	2741	ev_supported_backends (void) EV_THROW
2198	{	2742	{
2199	unsigned int flags = 0;	2743	unsigned int flags = 0;
2200		2744
2201	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2745	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
…		…
2205	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2749	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
2206		2750
2207	return flags;	2751	return flags;
2208	}	2752	}
2209		2753
2210	unsigned int ecb_cold	2754	ecb_cold
		2755	unsigned int
2211	ev_recommended_backends (void) EV_THROW	2756	ev_recommended_backends (void) EV_THROW
2212	{	2757	{
2213	unsigned int flags = ev_supported_backends ();	2758	unsigned int flags = ev_supported_backends ();
2214		2759
2215	#ifndef __NetBSD__	2760	#ifndef __NetBSD__
…		…
2227	#endif	2772	#endif
2228		2773
2229	return flags;	2774	return flags;
2230	}	2775	}
2231		2776
2232	unsigned int ecb_cold	2777	ecb_cold
		2778	unsigned int
2233	ev_embeddable_backends (void) EV_THROW	2779	ev_embeddable_backends (void) EV_THROW
2234	{	2780	{
2235	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2781	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2236		2782
2237	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2783	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
…		…
2283	{	2829	{
2284	return userdata;	2830	return userdata;
2285	}	2831	}
2286		2832
2287	void	2833	void
2288	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW	2834	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
2289	{	2835	{
2290	invoke_cb = invoke_pending_cb;	2836	invoke_cb = invoke_pending_cb;
2291	}	2837	}
2292		2838
2293	void	2839	void
…		…
2297	acquire_cb = acquire;	2843	acquire_cb = acquire;
2298	}	2844	}
2299	#endif	2845	#endif
2300		2846
2301	/* initialise a loop structure, must be zero-initialised */	2847	/* initialise a loop structure, must be zero-initialised */
2302	static void noinline ecb_cold	2848	noinline ecb_cold
		2849	static void
2303	loop_init (EV_P_ unsigned int flags) EV_THROW	2850	loop_init (EV_P_ unsigned int flags) EV_THROW
2304	{	2851	{
2305	if (!backend)	2852	if (!backend)
2306	{	2853	{
2307	origflags = flags;	2854	origflags = flags;
…		…
2353	#if EV_ASYNC_ENABLE	2900	#if EV_ASYNC_ENABLE
2354	async_pending = 0;	2901	async_pending = 0;
2355	#endif	2902	#endif
2356	pipe_write_skipped = 0;	2903	pipe_write_skipped = 0;
2357	pipe_write_wanted = 0;	2904	pipe_write_wanted = 0;
		2905	evpipe [0] = -1;
		2906	evpipe [1] = -1;
2358	#if EV_USE_INOTIFY	2907	#if EV_USE_INOTIFY
2359	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2908	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2360	#endif	2909	#endif
2361	#if EV_USE_SIGNALFD	2910	#if EV_USE_SIGNALFD
2362	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2911	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2392	#endif	2941	#endif
2393	}	2942	}
2394	}	2943	}
2395		2944
2396	/* free up a loop structure */	2945	/* free up a loop structure */
2397	void ecb_cold	2946	ecb_cold
		2947	void
2398	ev_loop_destroy (EV_P)	2948	ev_loop_destroy (EV_P)
2399	{	2949	{
2400	int i;	2950	int i;
2401		2951
2402	#if EV_MULTIPLICITY	2952	#if EV_MULTIPLICITY
…		…
2425	if (ev_is_active (&pipe_w))	2975	if (ev_is_active (&pipe_w))
2426	{	2976	{
2427	/*ev_ref (EV_A);*/	2977	/*ev_ref (EV_A);*/
2428	/*ev_io_stop (EV_A_ &pipe_w);*/	2978	/*ev_io_stop (EV_A_ &pipe_w);*/
2429		2979
2430	#if EV_USE_EVENTFD
2431	if (evfd >= 0)
2432	close (evfd);
2433	#endif
2434
2435	if (evpipe [0] >= 0)
2436	{
2437	EV_WIN32_CLOSE_FD (evpipe [0]);	2980	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2438	EV_WIN32_CLOSE_FD (evpipe [1]);	2981	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2439	}
2440	}	2982	}
2441		2983
2442	#if EV_USE_SIGNALFD	2984	#if EV_USE_SIGNALFD
2443	if (ev_is_active (&sigfd_w))	2985	if (ev_is_active (&sigfd_w))
2444	close (sigfd);	2986	close (sigfd);
…		…
2530	#endif	3072	#endif
2531	#if EV_USE_INOTIFY	3073	#if EV_USE_INOTIFY
2532	infy_fork (EV_A);	3074	infy_fork (EV_A);
2533	#endif	3075	#endif
2534		3076
		3077	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2535	if (ev_is_active (&pipe_w))	3078	if (ev_is_active (&pipe_w) && postfork != 2)
2536	{	3079	{
2537	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3080	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2538		3081
2539	ev_ref (EV_A);	3082	ev_ref (EV_A);
2540	ev_io_stop (EV_A_ &pipe_w);	3083	ev_io_stop (EV_A_ &pipe_w);
2541		3084
2542	#if EV_USE_EVENTFD
2543	if (evfd >= 0)
2544	close (evfd);
2545	#endif
2546
2547	if (evpipe [0] >= 0)	3085	if (evpipe [0] >= 0)
2548	{
2549	EV_WIN32_CLOSE_FD (evpipe [0]);	3086	EV_WIN32_CLOSE_FD (evpipe [0]);
2550	EV_WIN32_CLOSE_FD (evpipe [1]);
2551	}
2552		3087
2553	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2554	evpipe_init (EV_A);	3088	evpipe_init (EV_A);
2555	/* now iterate over everything, in case we missed something */	3089	/* iterate over everything, in case we missed something before */
2556	pipecb (EV_A_ &pipe_w, EV_READ);	3090	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2557	#endif
2558	}	3091	}
		3092	#endif
2559		3093
2560	postfork = 0;	3094	postfork = 0;
2561	}	3095	}
2562		3096
2563	#if EV_MULTIPLICITY	3097	#if EV_MULTIPLICITY
2564		3098
		3099	ecb_cold
2565	struct ev_loop * ecb_cold	3100	struct ev_loop *
2566	ev_loop_new (unsigned int flags) EV_THROW	3101	ev_loop_new (unsigned int flags) EV_THROW
2567	{	3102	{
2568	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3103	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2569		3104
2570	memset (EV_A, 0, sizeof (struct ev_loop));	3105	memset (EV_A, 0, sizeof (struct ev_loop));
…		…
2578	}	3113	}
2579		3114
2580	#endif /* multiplicity */	3115	#endif /* multiplicity */
2581		3116
2582	#if EV_VERIFY	3117	#if EV_VERIFY
2583	static void noinline ecb_cold	3118	noinline ecb_cold
		3119	static void
2584	verify_watcher (EV_P_ W w)	3120	verify_watcher (EV_P_ W w)
2585	{	3121	{
2586	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3122	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2587		3123
2588	if (w->pending)	3124	if (w->pending)
2589	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3125	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2590	}	3126	}
2591		3127
2592	static void noinline ecb_cold	3128	noinline ecb_cold
		3129	static void
2593	verify_heap (EV_P_ ANHE *heap, int N)	3130	verify_heap (EV_P_ ANHE *heap, int N)
2594	{	3131	{
2595	int i;	3132	int i;
2596		3133
2597	for (i = HEAP0; i < N + HEAP0; ++i)	3134	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2602		3139
2603	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3140	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2604	}	3141	}
2605	}	3142	}
2606		3143
2607	static void noinline ecb_cold	3144	noinline ecb_cold
		3145	static void
2608	array_verify (EV_P_ W *ws, int cnt)	3146	array_verify (EV_P_ W *ws, int cnt)
2609	{	3147	{
2610	while (cnt--)	3148	while (cnt--)
2611	{	3149	{
2612	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3150	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2701	#endif	3239	#endif
2702	}	3240	}
2703	#endif	3241	#endif
2704		3242
2705	#if EV_MULTIPLICITY	3243	#if EV_MULTIPLICITY
		3244	ecb_cold
2706	struct ev_loop * ecb_cold	3245	struct ev_loop *
2707	#else	3246	#else
2708	int	3247	int
2709	#endif	3248	#endif
2710	ev_default_loop (unsigned int flags) EV_THROW	3249	ev_default_loop (unsigned int flags) EV_THROW
2711	{	3250	{
…		…
2759	count += pendingcnt [pri];	3298	count += pendingcnt [pri];
2760		3299
2761	return count;	3300	return count;
2762	}	3301	}
2763		3302
2764	void noinline	3303	noinline
		3304	void
2765	ev_invoke_pending (EV_P)	3305	ev_invoke_pending (EV_P)
2766	{	3306	{
2767	for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */	3307	pendingpri = NUMPRI;
		3308
		3309	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3310	{
		3311	--pendingpri;
		3312
2768	while (pendingcnt [pendingpri])	3313	while (pendingcnt [pendingpri])
2769	{	3314	{
2770	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3315	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2771		3316
2772	p->w->pending = 0;	3317	p->w->pending = 0;
2773	EV_CB_INVOKE (p->w, p->events);	3318	EV_CB_INVOKE (p->w, p->events);
2774	EV_FREQUENT_CHECK;	3319	EV_FREQUENT_CHECK;
2775	}	3320	}
		3321	}
2776	}	3322	}
2777		3323
2778	#if EV_IDLE_ENABLE	3324	#if EV_IDLE_ENABLE
2779	/* make idle watchers pending. this handles the "call-idle */	3325	/* make idle watchers pending. this handles the "call-idle */
2780	/* only when higher priorities are idle" logic */	3326	/* only when higher priorities are idle" logic */
…		…
2838	}	3384	}
2839	}	3385	}
2840		3386
2841	#if EV_PERIODIC_ENABLE	3387	#if EV_PERIODIC_ENABLE
2842		3388
2843	static void noinline	3389	noinline
		3390	static void
2844	periodic_recalc (EV_P_ ev_periodic *w)	3391	periodic_recalc (EV_P_ ev_periodic *w)
2845	{	3392	{
2846	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3393	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
2847	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3394	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
2848		3395
…		…
2906	}	3453	}
2907	}	3454	}
2908		3455
2909	/* simply recalculate all periodics */	3456	/* simply recalculate all periodics */
2910	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3457	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2911	static void noinline ecb_cold	3458	noinline ecb_cold
		3459	static void
2912	periodics_reschedule (EV_P)	3460	periodics_reschedule (EV_P)
2913	{	3461	{
2914	int i;	3462	int i;
2915		3463
2916	/* adjust periodics after time jump */	3464	/* adjust periodics after time jump */
…		…
2929	reheap (periodics, periodiccnt);	3477	reheap (periodics, periodiccnt);
2930	}	3478	}
2931	#endif	3479	#endif
2932		3480
2933	/* adjust all timers by a given offset */	3481	/* adjust all timers by a given offset */
2934	static void noinline ecb_cold	3482	noinline ecb_cold
		3483	static void
2935	timers_reschedule (EV_P_ ev_tstamp adjust)	3484	timers_reschedule (EV_P_ ev_tstamp adjust)
2936	{	3485	{
2937	int i;	3486	int i;
2938		3487
2939	for (i = 0; i < timercnt; ++i)	3488	for (i = 0; i < timercnt; ++i)
…		…
3307	w->active = 0;	3856	w->active = 0;
3308	}	3857	}
3309		3858
3310	/*****************************************************************************/	3859	/*****************************************************************************/
3311		3860
3312	void noinline	3861	noinline
		3862	void
3313	ev_io_start (EV_P_ ev_io *w) EV_THROW	3863	ev_io_start (EV_P_ ev_io *w) EV_THROW
3314	{	3864	{
3315	int fd = w->fd;	3865	int fd = w->fd;
3316		3866
3317	if (expect_false (ev_is_active (w)))	3867	if (expect_false (ev_is_active (w)))
…		…
3333	w->events &= ~EV__IOFDSET;	3883	w->events &= ~EV__IOFDSET;
3334		3884
3335	EV_FREQUENT_CHECK;	3885	EV_FREQUENT_CHECK;
3336	}	3886	}
3337		3887
3338	void noinline	3888	noinline
		3889	void
3339	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3890	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3340	{	3891	{
3341	clear_pending (EV_A_ (W)w);	3892	clear_pending (EV_A_ (W)w);
3342	if (expect_false (!ev_is_active (w)))	3893	if (expect_false (!ev_is_active (w)))
3343	return;	3894	return;
…		…
3352	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3903	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3353		3904
3354	EV_FREQUENT_CHECK;	3905	EV_FREQUENT_CHECK;
3355	}	3906	}
3356		3907
3357	void noinline	3908	noinline
		3909	void
3358	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3910	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3359	{	3911	{
3360	if (expect_false (ev_is_active (w)))	3912	if (expect_false (ev_is_active (w)))
3361	return;	3913	return;
3362		3914
…		…
3376	EV_FREQUENT_CHECK;	3928	EV_FREQUENT_CHECK;
3377		3929
3378	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3930	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3379	}	3931	}
3380		3932
3381	void noinline	3933	noinline
		3934	void
3382	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3935	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3383	{	3936	{
3384	clear_pending (EV_A_ (W)w);	3937	clear_pending (EV_A_ (W)w);
3385	if (expect_false (!ev_is_active (w)))	3938	if (expect_false (!ev_is_active (w)))
3386	return;	3939	return;
…		…
3406	ev_stop (EV_A_ (W)w);	3959	ev_stop (EV_A_ (W)w);
3407		3960
3408	EV_FREQUENT_CHECK;	3961	EV_FREQUENT_CHECK;
3409	}	3962	}
3410		3963
3411	void noinline	3964	noinline
		3965	void
3412	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	3966	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3413	{	3967	{
3414	EV_FREQUENT_CHECK;	3968	EV_FREQUENT_CHECK;
3415		3969
3416	clear_pending (EV_A_ (W)w);	3970	clear_pending (EV_A_ (W)w);
…		…
3440	{	3994	{
3441	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3995	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3442	}	3996	}
3443		3997
3444	#if EV_PERIODIC_ENABLE	3998	#if EV_PERIODIC_ENABLE
3445	void noinline	3999	noinline
		4000	void
3446	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4001	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3447	{	4002	{
3448	if (expect_false (ev_is_active (w)))	4003	if (expect_false (ev_is_active (w)))
3449	return;	4004	return;
3450		4005
…		…
3470	EV_FREQUENT_CHECK;	4025	EV_FREQUENT_CHECK;
3471		4026
3472	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4027	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3473	}	4028	}
3474		4029
3475	void noinline	4030	noinline
		4031	void
3476	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4032	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3477	{	4033	{
3478	clear_pending (EV_A_ (W)w);	4034	clear_pending (EV_A_ (W)w);
3479	if (expect_false (!ev_is_active (w)))	4035	if (expect_false (!ev_is_active (w)))
3480	return;	4036	return;
…		…
3498	ev_stop (EV_A_ (W)w);	4054	ev_stop (EV_A_ (W)w);
3499		4055
3500	EV_FREQUENT_CHECK;	4056	EV_FREQUENT_CHECK;
3501	}	4057	}
3502		4058
3503	void noinline	4059	noinline
		4060	void
3504	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4061	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3505	{	4062	{
3506	/* TODO: use adjustheap and recalculation */	4063	/* TODO: use adjustheap and recalculation */
3507	ev_periodic_stop (EV_A_ w);	4064	ev_periodic_stop (EV_A_ w);
3508	ev_periodic_start (EV_A_ w);	4065	ev_periodic_start (EV_A_ w);
…		…
3513	# define SA_RESTART 0	4070	# define SA_RESTART 0
3514	#endif	4071	#endif
3515		4072
3516	#if EV_SIGNAL_ENABLE	4073	#if EV_SIGNAL_ENABLE
3517		4074
3518	void noinline	4075	noinline
		4076	void
3519	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4077	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3520	{	4078	{
3521	if (expect_false (ev_is_active (w)))	4079	if (expect_false (ev_is_active (w)))
3522	return;	4080	return;
3523		4081
…		…
3526	#if EV_MULTIPLICITY	4084	#if EV_MULTIPLICITY
3527	assert (("libev: a signal must not be attached to two different loops",	4085	assert (("libev: a signal must not be attached to two different loops",
3528	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	4086	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3529		4087
3530	signals [w->signum - 1].loop = EV_A;	4088	signals [w->signum - 1].loop = EV_A;
		4089	ECB_MEMORY_FENCE_RELEASE;
3531	#endif	4090	#endif
3532		4091
3533	EV_FREQUENT_CHECK;	4092	EV_FREQUENT_CHECK;
3534		4093
3535	#if EV_USE_SIGNALFD	4094	#if EV_USE_SIGNALFD
…		…
3594	}	4153	}
3595		4154
3596	EV_FREQUENT_CHECK;	4155	EV_FREQUENT_CHECK;
3597	}	4156	}
3598		4157
3599	void noinline	4158	noinline
		4159	void
3600	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4160	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3601	{	4161	{
3602	clear_pending (EV_A_ (W)w);	4162	clear_pending (EV_A_ (W)w);
3603	if (expect_false (!ev_is_active (w)))	4163	if (expect_false (!ev_is_active (w)))
3604	return;	4164	return;
…		…
3680		4240
3681	#define DEF_STAT_INTERVAL 5.0074891	4241	#define DEF_STAT_INTERVAL 5.0074891
3682	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4242	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3683	#define MIN_STAT_INTERVAL 0.1074891	4243	#define MIN_STAT_INTERVAL 0.1074891
3684		4244
3685	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4245	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3686		4246
3687	#if EV_USE_INOTIFY	4247	#if EV_USE_INOTIFY
3688		4248
3689	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4249	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3690	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4250	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3691		4251
3692	static void noinline	4252	noinline
		4253	static void
3693	infy_add (EV_P_ ev_stat *w)	4254	infy_add (EV_P_ ev_stat *w)
3694	{	4255	{
3695	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);	4256	w->wd = inotify_add_watch (fs_fd, w->path,
		4257	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		4258	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		4259	| IN_DONT_FOLLOW | IN_MASK_ADD);
3696		4260
3697	if (w->wd >= 0)	4261	if (w->wd >= 0)
3698	{	4262	{
3699	struct statfs sfs;	4263	struct statfs sfs;
3700		4264
…		…
3704		4268
3705	if (!fs_2625)	4269	if (!fs_2625)
3706	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4270	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3707	else if (!statfs (w->path, &sfs)	4271	else if (!statfs (w->path, &sfs)
3708	&& (sfs.f_type == 0x1373 /* devfs */	4272	&& (sfs.f_type == 0x1373 /* devfs */
		4273	|| sfs.f_type == 0x4006 /* fat */
		4274	|| sfs.f_type == 0x4d44 /* msdos */
3709	|| sfs.f_type == 0xEF53 /* ext2/3 */	4275	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4276	|| sfs.f_type == 0x72b6 /* jffs2 */
		4277	|| sfs.f_type == 0x858458f6 /* ramfs */
		4278	|| sfs.f_type == 0x5346544e /* ntfs */
3710	|| sfs.f_type == 0x3153464a /* jfs */	4279	|| sfs.f_type == 0x3153464a /* jfs */
		4280	|| sfs.f_type == 0x9123683e /* btrfs */
3711	|| sfs.f_type == 0x52654973 /* reiser3 */	4281	|| sfs.f_type == 0x52654973 /* reiser3 */
3712	|| sfs.f_type == 0x01021994 /* tempfs */	4282	|| sfs.f_type == 0x01021994 /* tmpfs */
3713	|| sfs.f_type == 0x58465342 /* xfs */))	4283	|| sfs.f_type == 0x58465342 /* xfs */))
3714	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4284	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3715	else	4285	else
3716	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4286	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3717	}	4287	}
…		…
3752	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4322	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3753	ev_timer_again (EV_A_ &w->timer);	4323	ev_timer_again (EV_A_ &w->timer);
3754	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4324	if (ev_is_active (&w->timer)) ev_unref (EV_A);
3755	}	4325	}
3756		4326
3757	static void noinline	4327	noinline
		4328	static void
3758	infy_del (EV_P_ ev_stat *w)	4329	infy_del (EV_P_ ev_stat *w)
3759	{	4330	{
3760	int slot;	4331	int slot;
3761	int wd = w->wd;	4332	int wd = w->wd;
3762		4333
…		…
3769		4340
3770	/* remove this watcher, if others are watching it, they will rearm */	4341	/* remove this watcher, if others are watching it, they will rearm */
3771	inotify_rm_watch (fs_fd, wd);	4342	inotify_rm_watch (fs_fd, wd);
3772	}	4343	}
3773		4344
3774	static void noinline	4345	noinline
		4346	static void
3775	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4347	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
3776	{	4348	{
3777	if (slot < 0)	4349	if (slot < 0)
3778	/* overflow, need to check for all hash slots */	4350	/* overflow, need to check for all hash slots */
3779	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4351	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
3815	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4387	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3816	ofs += sizeof (struct inotify_event) + ev->len;	4388	ofs += sizeof (struct inotify_event) + ev->len;
3817	}	4389	}
3818	}	4390	}
3819		4391
3820	inline_size void ecb_cold	4392	inline_size ecb_cold
		4393	void
3821	ev_check_2625 (EV_P)	4394	ev_check_2625 (EV_P)
3822	{	4395	{
3823	/* kernels < 2.6.25 are borked	4396	/* kernels < 2.6.25 are borked
3824	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4397	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3825	*/	4398	*/
…		…
3923	w->attr.st_nlink = 0;	4496	w->attr.st_nlink = 0;
3924	else if (!w->attr.st_nlink)	4497	else if (!w->attr.st_nlink)
3925	w->attr.st_nlink = 1;	4498	w->attr.st_nlink = 1;
3926	}	4499	}
3927		4500
3928	static void noinline	4501	noinline
		4502	static void
3929	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4503	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
3930	{	4504	{
3931	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4505	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
3932		4506
3933	ev_statdata prev = w->attr;	4507	ev_statdata prev = w->attr;
…		…
4143	EV_FREQUENT_CHECK;	4717	EV_FREQUENT_CHECK;
4144	}	4718	}
4145	#endif	4719	#endif
4146		4720
4147	#if EV_EMBED_ENABLE	4721	#if EV_EMBED_ENABLE
4148	void noinline	4722	noinline
		4723	void
4149	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4724	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4150	{	4725	{
4151	ev_run (w->other, EVRUN_NOWAIT);	4726	ev_run (w->other, EVRUN_NOWAIT);
4152	}	4727	}
4153		4728
…		…
4450	}	5025	}
4451		5026
4452	/*****************************************************************************/	5027	/*****************************************************************************/
4453		5028
4454	#if EV_WALK_ENABLE	5029	#if EV_WALK_ENABLE
4455	void ecb_cold	5030	ecb_cold
		5031	void
4456	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5032	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4457	{	5033	{
4458	int i, j;	5034	int i, j;
4459	ev_watcher_list *wl, *wn;	5035	ev_watcher_list *wl, *wn;
4460		5036

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines