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Comparing libev/ev.c (file contents):
Revision 1.458 by root, Sun Oct 27 16:26:07 2013 UTC vs.
Revision 1.490 by root, Thu Jun 20 22:44:59 2019 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
162	# define EV_USE_EVENTFD 0	162	# define EV_USE_EVENTFD 0
163	# endif	163	# endif
164		164
165	#endif	165	#endif
166		166
		167	/* OS X, in its infinite idiocy, actually HARDCODES
		168	* a limit of 1024 into their select. Where people have brains,
		169	* OS X engineers apparently have a vacuum. Or maybe they were
		170	* ordered to have a vacuum, or they do anything for money.
		171	* This might help. Or not.
		172	* Note that this must be defined early, as other include files
		173	* will rely on this define as well.
		174	*/
		175	#define _DARWIN_UNLIMITED_SELECT 1
		176
167	#include <stdlib.h>	177	#include <stdlib.h>
168	#include <string.h>	178	#include <string.h>
169	#include <fcntl.h>	179	#include <fcntl.h>
170	#include <stddef.h>	180	#include <stddef.h>
171		181
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	218	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	219	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	220	# endif
211	# undef EV_AVOID_STDIO	221	# undef EV_AVOID_STDIO
212	#endif	222	#endif
213
214	/* OS X, in its infinite idiocy, actually HARDCODES
215	* a limit of 1024 into their select. Where people have brains,
216	* OS X engineers apparently have a vacuum. Or maybe they were
217	* ordered to have a vacuum, or they do anything for money.
218	* This might help. Or not.
219	*/
220	#define _DARWIN_UNLIMITED_SELECT 1
221		223
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	224	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		225
224	/* try to deduce the maximum number of signals on this platform */	226	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	227	#if defined EV_NSIG
…		…
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
…		…
307		315
308	#ifndef EV_USE_PORT	316	#ifndef EV_USE_PORT
309	# define EV_USE_PORT 0	317	# define EV_USE_PORT 0
310	#endif	318	#endif
311		319
		320	#ifndef EV_USE_LINUXAIO
		321	# define EV_USE_LINUXAIO 0
		322	#endif
		323
312	#ifndef EV_USE_INOTIFY	324	#ifndef EV_USE_INOTIFY
313	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	325	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
314	# define EV_USE_INOTIFY EV_FEATURE_OS	326	# define EV_USE_INOTIFY EV_FEATURE_OS
315	# else	327	# else
316	# define EV_USE_INOTIFY 0	328	# define EV_USE_INOTIFY 0
…		…
357		369
358	#ifndef EV_HEAP_CACHE_AT	370	#ifndef EV_HEAP_CACHE_AT
359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	371	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
360	#endif	372	#endif
361		373
362	#ifdef ANDROID	374	#ifdef __ANDROID__
363	/* supposedly, android doesn't typedef fd_mask */	375	/* supposedly, android doesn't typedef fd_mask */
364	# undef EV_USE_SELECT	376	# undef EV_USE_SELECT
365	# define EV_USE_SELECT 0	377	# define EV_USE_SELECT 0
366	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	378	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
367	# undef EV_USE_CLOCK_SYSCALL	379	# undef EV_USE_CLOCK_SYSCALL
…		…
371	/* aix's poll.h seems to cause lots of trouble */	383	/* aix's poll.h seems to cause lots of trouble */
372	#ifdef _AIX	384	#ifdef _AIX
373	/* AIX has a completely broken poll.h header */	385	/* AIX has a completely broken poll.h header */
374	# undef EV_USE_POLL	386	# undef EV_USE_POLL
375	# define EV_USE_POLL 0	387	# define EV_USE_POLL 0
		388	#endif
		389
		390	#if EV_USE_LINUXAIO
		391	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
376	#endif	392	#endif
377		393
378	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	394	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
379	/* which makes programs even slower. might work on other unices, too. */	395	/* which makes programs even slower. might work on other unices, too. */
380	#if EV_USE_CLOCK_SYSCALL	396	#if EV_USE_CLOCK_SYSCALL
…		…
485	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	501	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
486	/* ECB.H BEGIN */	502	/* ECB.H BEGIN */
487	/*	503	/*
488	* libecb - http://software.schmorp.de/pkg/libecb	504	* libecb - http://software.schmorp.de/pkg/libecb
489	*	505	*
490	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>	506	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
491	* Copyright (©) 2011 Emanuele Giaquinta	507	* Copyright (©) 2011 Emanuele Giaquinta
492	* All rights reserved.	508	* All rights reserved.
493	*	509	*
494	* Redistribution and use in source and binary forms, with or without modifica-	510	* Redistribution and use in source and binary forms, with or without modifica-
495	* tion, are permitted provided that the following conditions are met:	511	* tion, are permitted provided that the following conditions are met:
…		…
509	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	525	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
510	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	526	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
511	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	527	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
512	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED	528	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
513	* OF THE POSSIBILITY OF SUCH DAMAGE.	529	* OF THE POSSIBILITY OF SUCH DAMAGE.
		530	*
		531	* Alternatively, the contents of this file may be used under the terms of
		532	* the GNU General Public License ("GPL") version 2 or any later version,
		533	* in which case the provisions of the GPL are applicable instead of
		534	* the above. If you wish to allow the use of your version of this file
		535	* only under the terms of the GPL and not to allow others to use your
		536	* version of this file under the BSD license, indicate your decision
		537	* by deleting the provisions above and replace them with the notice
		538	* and other provisions required by the GPL. If you do not delete the
		539	* provisions above, a recipient may use your version of this file under
		540	* either the BSD or the GPL.
514	*/	541	*/
515		542
516	#ifndef ECB_H	543	#ifndef ECB_H
517	#define ECB_H	544	#define ECB_H
518		545
519	/* 16 bits major, 16 bits minor */	546	/* 16 bits major, 16 bits minor */
520	#define ECB_VERSION 0x00010003	547	#define ECB_VERSION 0x00010005
521		548
522	#ifdef _WIN32	549	#ifdef _WIN32
523	typedef signed char int8_t;	550	typedef signed char int8_t;
524	typedef unsigned char uint8_t;	551	typedef unsigned char uint8_t;
525	typedef signed short int16_t;	552	typedef signed short int16_t;
…		…
542	typedef uint32_t uintptr_t;	569	typedef uint32_t uintptr_t;
543	typedef int32_t intptr_t;	570	typedef int32_t intptr_t;
544	#endif	571	#endif
545	#else	572	#else
546	#include <inttypes.h>	573	#include <inttypes.h>
547	#if UINTMAX_MAX > 0xffffffffU	574	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
548	#define ECB_PTRSIZE 8	575	#define ECB_PTRSIZE 8
549	#else	576	#else
550	#define ECB_PTRSIZE 4	577	#define ECB_PTRSIZE 4
551	#endif	578	#endif
552	#endif	579	#endif
553		580
		581	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		582	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		583
554	/* work around x32 idiocy by defining proper macros */	584	/* work around x32 idiocy by defining proper macros */
555	#if __x86_64 || _M_AMD64	585	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
556	#if _ILP32	586	#if _ILP32
557	#define ECB_AMD64_X32 1	587	#define ECB_AMD64_X32 1
558	#else	588	#else
559	#define ECB_AMD64 1	589	#define ECB_AMD64 1
560	#endif	590	#endif
…		…
565	* causing enormous grief in return for some better fake benchmark numbers.	595	* causing enormous grief in return for some better fake benchmark numbers.
566	* or so.	596	* or so.
567	* we try to detect these and simply assume they are not gcc - if they have	597	* we try to detect these and simply assume they are not gcc - if they have
568	* an issue with that they should have done it right in the first place.	598	* an issue with that they should have done it right in the first place.
569	*/	599	*/
570	#ifndef ECB_GCC_VERSION
571	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	600	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
572	#define ECB_GCC_VERSION(major,minor) 0	601	#define ECB_GCC_VERSION(major,minor) 0
573	#else	602	#else
574	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	603	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
575	#endif	604	#endif
576	#endif
577		605
578	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */	606	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
579	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	607
580	#define ECB_C11 (__STDC_VERSION__ >= 201112L)	608	#if __clang__ && defined __has_builtin
		609	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		610	#else
		611	#define ECB_CLANG_BUILTIN(x) 0
		612	#endif
		613
		614	#if __clang__ && defined __has_extension
		615	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		616	#else
		617	#define ECB_CLANG_EXTENSION(x) 0
		618	#endif
		619
581	#define ECB_CPP (__cplusplus+0)	620	#define ECB_CPP (__cplusplus+0)
582	#define ECB_CPP11 (__cplusplus >= 201103L)	621	#define ECB_CPP11 (__cplusplus >= 201103L)
		622	#define ECB_CPP14 (__cplusplus >= 201402L)
		623	#define ECB_CPP17 (__cplusplus >= 201703L)
		624
		625	#if ECB_CPP
		626	#define ECB_C 0
		627	#define ECB_STDC_VERSION 0
		628	#else
		629	#define ECB_C 1
		630	#define ECB_STDC_VERSION __STDC_VERSION__
		631	#endif
		632
		633	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		634	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		635	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
583		636
584	#if ECB_CPP	637	#if ECB_CPP
585	#define ECB_EXTERN_C extern "C"	638	#define ECB_EXTERN_C extern "C"
586	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	639	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
587	#define ECB_EXTERN_C_END }	640	#define ECB_EXTERN_C_END }
…		…
600	#define ECB_NO_SMP 1	653	#define ECB_NO_SMP 1
601	#endif	654	#endif
602		655
603	#if ECB_NO_SMP	656	#if ECB_NO_SMP
604	#define ECB_MEMORY_FENCE do { } while (0)	657	#define ECB_MEMORY_FENCE do { } while (0)
		658	#endif
		659
		660	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		661	#if __xlC__ && ECB_CPP
		662	#include <builtins.h>
		663	#endif
		664
		665	#if 1400 <= _MSC_VER
		666	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
605	#endif	667	#endif
606		668
607	#ifndef ECB_MEMORY_FENCE	669	#ifndef ECB_MEMORY_FENCE
608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	670	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
609	#if __i386 || __i386__	671	#if __i386 || __i386__
610	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	672	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
611	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	673	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
612	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	674	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
613	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	675	#elif ECB_GCC_AMD64
614	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	676	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
615	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	677	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
616	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	678	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
617	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	679	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	680	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		681	#elif defined __ARM_ARCH_2__ \
		682	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		683	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		684	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		685	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		686	|| defined __ARM_ARCH_5TEJ__
		687	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
619	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	688	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
620	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	689	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		690	|| defined __ARM_ARCH_6T2__
621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	691	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
622	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	692	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
623	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	693	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
624	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	694	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
625	#elif __sparc || __sparc__	695	#elif __aarch64__
		696	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		697	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	698	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	699	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	700	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
629	#elif defined __s390__ || defined __s390x__	701	#elif defined __s390__ || defined __s390x__
630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	702	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
651		723
652	#ifndef ECB_MEMORY_FENCE	724	#ifndef ECB_MEMORY_FENCE
653	#if ECB_GCC_VERSION(4,7)	725	#if ECB_GCC_VERSION(4,7)
654	/* see comment below (stdatomic.h) about the C11 memory model. */	726	/* see comment below (stdatomic.h) about the C11 memory model. */
655	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	727	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		728	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		729	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
656		730
657	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	731	#elif ECB_CLANG_EXTENSION(c_atomic)
658	* without risking compile time errors with other compilers. We *could*
659	* define our own ecb_clang_has_feature, but I just can't be bothered to work
660	* around this shit time and again.
661	* #elif defined __clang && __has_feature (cxx_atomic)
662	* // see comment below (stdatomic.h) about the C11 memory model.	732	/* see comment below (stdatomic.h) about the C11 memory model. */
663	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	733	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
664	*/	734	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		735	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
665		736
666	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	737	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
667	#define ECB_MEMORY_FENCE __sync_synchronize ()	738	#define ECB_MEMORY_FENCE __sync_synchronize ()
		739	#elif _MSC_VER >= 1500 /* VC++ 2008 */
		740	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		741	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		742	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		743	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		744	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
668	#elif _MSC_VER >= 1400 /* VC++ 2005 */	745	#elif _MSC_VER >= 1400 /* VC++ 2005 */
669	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	746	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
670	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	747	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
671	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	748	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
672	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	749	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
…		…
692	/* any fence other than seq_cst, which isn't very efficient for us. */	769	/* any fence other than seq_cst, which isn't very efficient for us. */
693	/* Why that is, we don't know - either the C11 memory model is quite useless */	770	/* Why that is, we don't know - either the C11 memory model is quite useless */
694	/* for most usages, or gcc and clang have a bug */	771	/* for most usages, or gcc and clang have a bug */
695	/* I *currently* lean towards the latter, and inefficiently implement */	772	/* I *currently* lean towards the latter, and inefficiently implement */
696	/* all three of ecb's fences as a seq_cst fence */	773	/* all three of ecb's fences as a seq_cst fence */
		774	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		775	/* for all __atomic_thread_fence's except seq_cst */
697	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	776	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
698	#endif	777	#endif
699	#endif	778	#endif
700		779
701	#ifndef ECB_MEMORY_FENCE	780	#ifndef ECB_MEMORY_FENCE
…		…
724	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	803	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
725	#endif	804	#endif
726		805
727	/*****************************************************************************/	806	/*****************************************************************************/
728		807
729	#if __cplusplus	808	#if ECB_CPP
730	#define ecb_inline static inline	809	#define ecb_inline static inline
731	#elif ECB_GCC_VERSION(2,5)	810	#elif ECB_GCC_VERSION(2,5)
732	#define ecb_inline static __inline__	811	#define ecb_inline static __inline__
733	#elif ECB_C99	812	#elif ECB_C99
734	#define ecb_inline static inline	813	#define ecb_inline static inline
…		…
748		827
749	#define ECB_CONCAT_(a, b) a ## b	828	#define ECB_CONCAT_(a, b) a ## b
750	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	829	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
751	#define ECB_STRINGIFY_(a) # a	830	#define ECB_STRINGIFY_(a) # a
752	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	831	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		832	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
753		833
754	#define ecb_function_ ecb_inline	834	#define ecb_function_ ecb_inline
755		835
756	#if ECB_GCC_VERSION(3,1)	836	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
757	#define ecb_attribute(attrlist) __attribute__(attrlist)	837	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		838	#else
		839	#define ecb_attribute(attrlist)
		840	#endif
		841
		842	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
758	#define ecb_is_constant(expr) __builtin_constant_p (expr)	843	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		844	#else
		845	/* possible C11 impl for integral types
		846	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		847	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		848
		849	#define ecb_is_constant(expr) 0
		850	#endif
		851
		852	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
759	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	853	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		854	#else
		855	#define ecb_expect(expr,value) (expr)
		856	#endif
		857
		858	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
760	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	859	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
761	#else	860	#else
762	#define ecb_attribute(attrlist)
763	#define ecb_is_constant(expr) 0
764	#define ecb_expect(expr,value) (expr)
765	#define ecb_prefetch(addr,rw,locality)	861	#define ecb_prefetch(addr,rw,locality)
766	#endif	862	#endif
767		863
768	/* no emulation for ecb_decltype */	864	/* no emulation for ecb_decltype */
769	#if ECB_GCC_VERSION(4,5)	865	#if ECB_CPP11
		866	// older implementations might have problems with decltype(x)::type, work around it
		867	template<class T> struct ecb_decltype_t { typedef T type; };
770	#define ecb_decltype(x) __decltype(x)	868	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
771	#elif ECB_GCC_VERSION(3,0)	869	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
772	#define ecb_decltype(x) __typeof(x)	870	#define ecb_decltype(x) __typeof__ (x)
773	#endif	871	#endif
774		872
		873	#if _MSC_VER >= 1300
		874	#define ecb_deprecated __declspec (deprecated)
		875	#else
		876	#define ecb_deprecated ecb_attribute ((__deprecated__))
		877	#endif
		878
		879	#if _MSC_VER >= 1500
		880	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		881	#elif ECB_GCC_VERSION(4,5)
		882	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		883	#else
		884	#define ecb_deprecated_message(msg) ecb_deprecated
		885	#endif
		886
		887	#if _MSC_VER >= 1400
		888	#define ecb_noinline __declspec (noinline)
		889	#else
775	#define ecb_noinline ecb_attribute ((__noinline__))	890	#define ecb_noinline ecb_attribute ((__noinline__))
		891	#endif
		892
776	#define ecb_unused ecb_attribute ((__unused__))	893	#define ecb_unused ecb_attribute ((__unused__))
777	#define ecb_const ecb_attribute ((__const__))	894	#define ecb_const ecb_attribute ((__const__))
778	#define ecb_pure ecb_attribute ((__pure__))	895	#define ecb_pure ecb_attribute ((__pure__))
779		896
780	#if ECB_C11	897	#if ECB_C11 || __IBMC_NORETURN
		898	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
781	#define ecb_noreturn _Noreturn	899	#define ecb_noreturn _Noreturn
		900	#elif ECB_CPP11
		901	#define ecb_noreturn [[noreturn]]
		902	#elif _MSC_VER >= 1200
		903	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		904	#define ecb_noreturn __declspec (noreturn)
782	#else	905	#else
783	#define ecb_noreturn ecb_attribute ((__noreturn__))	906	#define ecb_noreturn ecb_attribute ((__noreturn__))
784	#endif	907	#endif
785		908
786	#if ECB_GCC_VERSION(4,3)	909	#if ECB_GCC_VERSION(4,3)
…		…
801	/* for compatibility to the rest of the world */	924	/* for compatibility to the rest of the world */
802	#define ecb_likely(expr) ecb_expect_true (expr)	925	#define ecb_likely(expr) ecb_expect_true (expr)
803	#define ecb_unlikely(expr) ecb_expect_false (expr)	926	#define ecb_unlikely(expr) ecb_expect_false (expr)
804		927
805	/* count trailing zero bits and count # of one bits */	928	/* count trailing zero bits and count # of one bits */
806	#if ECB_GCC_VERSION(3,4)	929	#if ECB_GCC_VERSION(3,4) \
		930	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		931	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		932	&& ECB_CLANG_BUILTIN(__builtin_popcount))
807	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	933	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
808	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	934	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
809	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	935	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
810	#define ecb_ctz32(x) __builtin_ctz (x)	936	#define ecb_ctz32(x) __builtin_ctz (x)
811	#define ecb_ctz64(x) __builtin_ctzll (x)	937	#define ecb_ctz64(x) __builtin_ctzll (x)
812	#define ecb_popcount32(x) __builtin_popcount (x)	938	#define ecb_popcount32(x) __builtin_popcount (x)
813	/* no popcountll */	939	/* no popcountll */
814	#else	940	#else
815	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	941	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
816	ecb_function_ int	942	ecb_function_ ecb_const int
817	ecb_ctz32 (uint32_t x)	943	ecb_ctz32 (uint32_t x)
818	{	944	{
		945	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		946	unsigned long r;
		947	_BitScanForward (&r, x);
		948	return (int)r;
		949	#else
819	int r = 0;	950	int r = 0;
820		951
821	x &= ~x + 1; /* this isolates the lowest bit */	952	x &= ~x + 1; /* this isolates the lowest bit */
822		953
823	#if ECB_branchless_on_i386	954	#if ECB_branchless_on_i386
…		…
833	if (x & 0xff00ff00) r += 8;	964	if (x & 0xff00ff00) r += 8;
834	if (x & 0xffff0000) r += 16;	965	if (x & 0xffff0000) r += 16;
835	#endif	966	#endif
836		967
837	return r;	968	return r;
		969	#endif
838	}	970	}
839		971
840	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	972	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
841	ecb_function_ int	973	ecb_function_ ecb_const int
842	ecb_ctz64 (uint64_t x)	974	ecb_ctz64 (uint64_t x)
843	{	975	{
		976	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		977	unsigned long r;
		978	_BitScanForward64 (&r, x);
		979	return (int)r;
		980	#else
844	int shift = x & 0xffffffffU ? 0 : 32;	981	int shift = x & 0xffffffff ? 0 : 32;
845	return ecb_ctz32 (x >> shift) + shift;	982	return ecb_ctz32 (x >> shift) + shift;
		983	#endif
846	}	984	}
847		985
848	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	986	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
849	ecb_function_ int	987	ecb_function_ ecb_const int
850	ecb_popcount32 (uint32_t x)	988	ecb_popcount32 (uint32_t x)
851	{	989	{
852	x -= (x >> 1) & 0x55555555;	990	x -= (x >> 1) & 0x55555555;
853	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	991	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
854	x = ((x >> 4) + x) & 0x0f0f0f0f;	992	x = ((x >> 4) + x) & 0x0f0f0f0f;
855	x *= 0x01010101;	993	x *= 0x01010101;
856		994
857	return x >> 24;	995	return x >> 24;
858	}	996	}
859		997
860	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	998	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
861	ecb_function_ int ecb_ld32 (uint32_t x)	999	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
862	{	1000	{
		1001	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1002	unsigned long r;
		1003	_BitScanReverse (&r, x);
		1004	return (int)r;
		1005	#else
863	int r = 0;	1006	int r = 0;
864		1007
865	if (x >> 16) { x >>= 16; r += 16; }	1008	if (x >> 16) { x >>= 16; r += 16; }
866	if (x >> 8) { x >>= 8; r += 8; }	1009	if (x >> 8) { x >>= 8; r += 8; }
867	if (x >> 4) { x >>= 4; r += 4; }	1010	if (x >> 4) { x >>= 4; r += 4; }
868	if (x >> 2) { x >>= 2; r += 2; }	1011	if (x >> 2) { x >>= 2; r += 2; }
869	if (x >> 1) { r += 1; }	1012	if (x >> 1) { r += 1; }
870		1013
871	return r;	1014	return r;
		1015	#endif
872	}	1016	}
873		1017
874	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1018	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
875	ecb_function_ int ecb_ld64 (uint64_t x)	1019	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
876	{	1020	{
		1021	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1022	unsigned long r;
		1023	_BitScanReverse64 (&r, x);
		1024	return (int)r;
		1025	#else
877	int r = 0;	1026	int r = 0;
878		1027
879	if (x >> 32) { x >>= 32; r += 32; }	1028	if (x >> 32) { x >>= 32; r += 32; }
880		1029
881	return r + ecb_ld32 (x);	1030	return r + ecb_ld32 (x);
		1031	#endif
882	}	1032	}
883	#endif	1033	#endif
884		1034
885	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1035	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
886	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1036	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
887	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1037	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
888	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1038	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
889		1039
890	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1040	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
891	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1041	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
892	{	1042	{
893	return ( (x * 0x0802U & 0x22110U)	1043	return ( (x * 0x0802U & 0x22110U)
894	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1044	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
895	}	1045	}
896		1046
897	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1047	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
898	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1048	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
899	{	1049	{
900	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1050	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
901	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1051	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
902	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1052	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
903	x = ( x >> 8 ) | ( x << 8);	1053	x = ( x >> 8 ) | ( x << 8);
904		1054
905	return x;	1055	return x;
906	}	1056	}
907		1057
908	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1058	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
909	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1059	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
910	{	1060	{
911	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1061	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
912	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1062	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
913	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1063	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
914	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1064	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
917	return x;	1067	return x;
918	}	1068	}
919		1069
920	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1070	/* popcount64 is only available on 64 bit cpus as gcc builtin */
921	/* so for this version we are lazy */	1071	/* so for this version we are lazy */
922	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1072	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
923	ecb_function_ int	1073	ecb_function_ ecb_const int
924	ecb_popcount64 (uint64_t x)	1074	ecb_popcount64 (uint64_t x)
925	{	1075	{
926	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1076	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
927	}	1077	}
928		1078
929	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1079	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
930	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1080	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
931	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1081	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
932	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1082	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
933	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1083	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
934	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1084	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
935	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1085	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
936	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1086	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
937		1087
938	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1088	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
939	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1089	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
940	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1090	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
941	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1091	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
942	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1092	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
943	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1093	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
944	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1094	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
945	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1095	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
946		1096
947	#if ECB_GCC_VERSION(4,3)	1097	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1098	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1099	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1100	#else
948	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1101	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1102	#endif
949	#define ecb_bswap32(x) __builtin_bswap32 (x)	1103	#define ecb_bswap32(x) __builtin_bswap32 (x)
950	#define ecb_bswap64(x) __builtin_bswap64 (x)	1104	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1105	#elif _MSC_VER
		1106	#include <stdlib.h>
		1107	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1108	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1109	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
951	#else	1110	#else
952	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1111	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
953	ecb_function_ uint16_t	1112	ecb_function_ ecb_const uint16_t
954	ecb_bswap16 (uint16_t x)	1113	ecb_bswap16 (uint16_t x)
955	{	1114	{
956	return ecb_rotl16 (x, 8);	1115	return ecb_rotl16 (x, 8);
957	}	1116	}
958		1117
959	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1118	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
960	ecb_function_ uint32_t	1119	ecb_function_ ecb_const uint32_t
961	ecb_bswap32 (uint32_t x)	1120	ecb_bswap32 (uint32_t x)
962	{	1121	{
963	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1122	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
964	}	1123	}
965		1124
966	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1125	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
967	ecb_function_ uint64_t	1126	ecb_function_ ecb_const uint64_t
968	ecb_bswap64 (uint64_t x)	1127	ecb_bswap64 (uint64_t x)
969	{	1128	{
970	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1129	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
971	}	1130	}
972	#endif	1131	#endif
973		1132
974	#if ECB_GCC_VERSION(4,5)	1133	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
975	#define ecb_unreachable() __builtin_unreachable ()	1134	#define ecb_unreachable() __builtin_unreachable ()
976	#else	1135	#else
977	/* this seems to work fine, but gcc always emits a warning for it :/ */	1136	/* this seems to work fine, but gcc always emits a warning for it :/ */
978	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1137	ecb_inline ecb_noreturn void ecb_unreachable (void);
979	ecb_inline void ecb_unreachable (void) { }	1138	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
980	#endif	1139	#endif
981		1140
982	/* try to tell the compiler that some condition is definitely true */	1141	/* try to tell the compiler that some condition is definitely true */
983	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1142	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
984		1143
985	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1144	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
986	ecb_inline unsigned char	1145	ecb_inline ecb_const uint32_t
987	ecb_byteorder_helper (void)	1146	ecb_byteorder_helper (void)
988	{	1147	{
989	/* the union code still generates code under pressure in gcc, */	1148	/* the union code still generates code under pressure in gcc, */
990	/* but less than using pointers, and always seems to */	1149	/* but less than using pointers, and always seems to */
991	/* successfully return a constant. */	1150	/* successfully return a constant. */
992	/* the reason why we have this horrible preprocessor mess */	1151	/* the reason why we have this horrible preprocessor mess */
993	/* is to avoid it in all cases, at least on common architectures */	1152	/* is to avoid it in all cases, at least on common architectures */
994	/* or when using a recent enough gcc version (>= 4.6) */	1153	/* or when using a recent enough gcc version (>= 4.6) */
995	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
996	return 0x44;
997	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1154	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1155	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1156	#define ECB_LITTLE_ENDIAN 1
998	return 0x44;	1157	return 0x44332211;
999	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1158	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1159	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1160	#define ECB_BIG_ENDIAN 1
1000	return 0x11;	1161	return 0x11223344;
1001	#else	1162	#else
1002	union	1163	union
1003	{	1164	{
		1165	uint8_t c[4];
1004	uint32_t i;	1166	uint32_t u;
1005	uint8_t c;
1006	} u = { 0x11223344 };	1167	} u = { 0x11, 0x22, 0x33, 0x44 };
1007	return u.c;	1168	return u.u;
1008	#endif	1169	#endif
1009	}	1170	}
1010		1171
1011	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1172	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1012	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1173	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1013	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1174	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1014	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1175	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1015		1176
1016	#if ECB_GCC_VERSION(3,0) || ECB_C99	1177	#if ECB_GCC_VERSION(3,0) || ECB_C99
1017	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1178	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1018	#else	1179	#else
1019	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1180	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1020	#endif	1181	#endif
1021		1182
1022	#if __cplusplus	1183	#if ECB_CPP
1023	template<typename T>	1184	template<typename T>
1024	static inline T ecb_div_rd (T val, T div)	1185	static inline T ecb_div_rd (T val, T div)
1025	{	1186	{
1026	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1187	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1027	}	1188	}
…		…
1044	}	1205	}
1045	#else	1206	#else
1046	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1207	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1047	#endif	1208	#endif
1048		1209
		1210	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1211	ecb_function_ ecb_const uint32_t
		1212	ecb_binary16_to_binary32 (uint32_t x)
		1213	{
		1214	unsigned int s = (x & 0x8000) << (31 - 15);
		1215	int e = (x >> 10) & 0x001f;
		1216	unsigned int m = x & 0x03ff;
		1217
		1218	if (ecb_expect_false (e == 31))
		1219	/* infinity or NaN */
		1220	e = 255 - (127 - 15);
		1221	else if (ecb_expect_false (!e))
		1222	{
		1223	if (ecb_expect_true (!m))
		1224	/* zero, handled by code below by forcing e to 0 */
		1225	e = 0 - (127 - 15);
		1226	else
		1227	{
		1228	/* subnormal, renormalise */
		1229	unsigned int s = 10 - ecb_ld32 (m);
		1230
		1231	m = (m << s) & 0x3ff; /* mask implicit bit */
		1232	e -= s - 1;
		1233	}
		1234	}
		1235
		1236	/* e and m now are normalised, or zero, (or inf or nan) */
		1237	e += 127 - 15;
		1238
		1239	return s | (e << 23) | (m << (23 - 10));
		1240	}
		1241
		1242	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1243	ecb_function_ ecb_const uint16_t
		1244	ecb_binary32_to_binary16 (uint32_t x)
		1245	{
		1246	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1247	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1248	unsigned int m = x & 0x007fffff;
		1249
		1250	x &= 0x7fffffff;
		1251
		1252	/* if it's within range of binary16 normals, use fast path */
		1253	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1254	{
		1255	/* mantissa round-to-even */
		1256	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1257
		1258	/* handle overflow */
		1259	if (ecb_expect_false (m >= 0x00800000))
		1260	{
		1261	m >>= 1;
		1262	e += 1;
		1263	}
		1264
		1265	return s | (e << 10) | (m >> (23 - 10));
		1266	}
		1267
		1268	/* handle large numbers and infinity */
		1269	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1270	return s | 0x7c00;
		1271
		1272	/* handle zero, subnormals and small numbers */
		1273	if (ecb_expect_true (x < 0x38800000))
		1274	{
		1275	/* zero */
		1276	if (ecb_expect_true (!x))
		1277	return s;
		1278
		1279	/* handle subnormals */
		1280
		1281	/* too small, will be zero */
		1282	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1283	return s;
		1284
		1285	m |= 0x00800000; /* make implicit bit explicit */
		1286
		1287	/* very tricky - we need to round to the nearest e (+10) bit value */
		1288	{
		1289	unsigned int bits = 14 - e;
		1290	unsigned int half = (1 << (bits - 1)) - 1;
		1291	unsigned int even = (m >> bits) & 1;
		1292
		1293	/* if this overflows, we will end up with a normalised number */
		1294	m = (m + half + even) >> bits;
		1295	}
		1296
		1297	return s | m;
		1298	}
		1299
		1300	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1301	m >>= 13;
		1302
		1303	return s | 0x7c00 | m | !m;
		1304	}
		1305
1049	/*******************************************************************************/	1306	/*******************************************************************************/
1050	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1307	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1051		1308
1052	/* basically, everything uses "ieee pure-endian" floating point numbers */	1309	/* basically, everything uses "ieee pure-endian" floating point numbers */
1053	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1310	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1054	#if 0 \	1311	#if 0 \
1055	|| __i386 || __i386__ \	1312	|| __i386 || __i386__ \
1056	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1313	|| ECB_GCC_AMD64 \
1057	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1314	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1058	|| defined __arm__ && defined __ARM_EABI__ \
1059	|| defined __s390__ || defined __s390x__ \	1315	|| defined __s390__ || defined __s390x__ \
1060	|| defined __mips__ \	1316	|| defined __mips__ \
1061	|| defined __alpha__ \	1317	|| defined __alpha__ \
1062	|| defined __hppa__ \	1318	|| defined __hppa__ \
1063	|| defined __ia64__ \	1319	|| defined __ia64__ \
1064	|| defined __m68k__ \	1320	|| defined __m68k__ \
1065	|| defined __m88k__ \	1321	|| defined __m88k__ \
1066	|| defined __sh__ \	1322	|| defined __sh__ \
1067	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64	1323	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1324	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1325	|| defined __aarch64__
1068	#define ECB_STDFP 1	1326	#define ECB_STDFP 1
1069	#include <string.h> /* for memcpy */	1327	#include <string.h> /* for memcpy */
1070	#else	1328	#else
1071	#define ECB_STDFP 0	1329	#define ECB_STDFP 0
1072	#endif	1330	#endif
1073		1331
1074	#ifndef ECB_NO_LIBM	1332	#ifndef ECB_NO_LIBM
1075		1333
1076	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */	1334	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
1077		1335
		1336	/* only the oldest of old doesn't have this one. solaris. */
		1337	#ifdef INFINITY
		1338	#define ECB_INFINITY INFINITY
		1339	#else
		1340	#define ECB_INFINITY HUGE_VAL
		1341	#endif
		1342
1078	#ifdef NEN	1343	#ifdef NAN
1079	#define ECB_NAN NAN	1344	#define ECB_NAN NAN
1080	#else	1345	#else
1081	#define ECB_NAN INFINITY	1346	#define ECB_NAN ECB_INFINITY
1082	#endif	1347	#endif
1083		1348
1084	/* converts an ieee half/binary16 to a float */	1349	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1085	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1350	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1086	ecb_function_ float	1351	#define ecb_frexpf(x,e) frexpf ((x), (e))
1087	ecb_binary16_to_float (uint16_t x)	1352	#else
1088	{	1353	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1089	int e = (x >> 10) & 0x1f;	1354	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1090	int m = x & 0x3ff;	1355	#endif
1091	float r;
1092
1093	if (!e ) r = ldexpf (m , -24);
1094	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1095	else if (m ) r = ECB_NAN;
1096	else r = INFINITY;
1097
1098	return x & 0x8000 ? -r : r;
1099	}
1100		1356
1101	/* convert a float to ieee single/binary32 */	1357	/* convert a float to ieee single/binary32 */
1102	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1358	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1103	ecb_function_ uint32_t	1359	ecb_function_ ecb_const uint32_t
1104	ecb_float_to_binary32 (float x)	1360	ecb_float_to_binary32 (float x)
1105	{	1361	{
1106	uint32_t r;	1362	uint32_t r;
1107		1363
1108	#if ECB_STDFP	1364	#if ECB_STDFP
…		…
1115	if (x == 0e0f ) return 0x00000000U;	1371	if (x == 0e0f ) return 0x00000000U;
1116	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1372	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1117	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1373	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1118	if (x != x ) return 0x7fbfffffU;	1374	if (x != x ) return 0x7fbfffffU;
1119		1375
1120	m = frexpf (x, &e) * 0x1000000U;	1376	m = ecb_frexpf (x, &e) * 0x1000000U;
1121		1377
1122	r = m & 0x80000000U;	1378	r = m & 0x80000000U;
1123		1379
1124	if (r)	1380	if (r)
1125	m = -m;	1381	m = -m;
…		…
1137		1393
1138	return r;	1394	return r;
1139	}	1395	}
1140		1396
1141	/* converts an ieee single/binary32 to a float */	1397	/* converts an ieee single/binary32 to a float */
1142	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1398	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1143	ecb_function_ float	1399	ecb_function_ ecb_const float
1144	ecb_binary32_to_float (uint32_t x)	1400	ecb_binary32_to_float (uint32_t x)
1145	{	1401	{
1146	float r;	1402	float r;
1147		1403
1148	#if ECB_STDFP	1404	#if ECB_STDFP
…		…
1158	x |= 0x800000U;	1414	x |= 0x800000U;
1159	else	1415	else
1160	e = 1;	1416	e = 1;
1161		1417
1162	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1418	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1163	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1419	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1164		1420
1165	r = neg ? -r : r;	1421	r = neg ? -r : r;
1166	#endif	1422	#endif
1167		1423
1168	return r;	1424	return r;
1169	}	1425	}
1170		1426
1171	/* convert a double to ieee double/binary64 */	1427	/* convert a double to ieee double/binary64 */
1172	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1428	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1173	ecb_function_ uint64_t	1429	ecb_function_ ecb_const uint64_t
1174	ecb_double_to_binary64 (double x)	1430	ecb_double_to_binary64 (double x)
1175	{	1431	{
1176	uint64_t r;	1432	uint64_t r;
1177		1433
1178	#if ECB_STDFP	1434	#if ECB_STDFP
…		…
1207		1463
1208	return r;	1464	return r;
1209	}	1465	}
1210		1466
1211	/* converts an ieee double/binary64 to a double */	1467	/* converts an ieee double/binary64 to a double */
1212	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1468	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1213	ecb_function_ double	1469	ecb_function_ ecb_const double
1214	ecb_binary64_to_double (uint64_t x)	1470	ecb_binary64_to_double (uint64_t x)
1215	{	1471	{
1216	double r;	1472	double r;
1217		1473
1218	#if ECB_STDFP	1474	#if ECB_STDFP
…		…
1234		1490
1235	r = neg ? -r : r;	1491	r = neg ? -r : r;
1236	#endif	1492	#endif
1237		1493
1238	return r;	1494	return r;
		1495	}
		1496
		1497	/* convert a float to ieee half/binary16 */
		1498	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1499	ecb_function_ ecb_const uint16_t
		1500	ecb_float_to_binary16 (float x)
		1501	{
		1502	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1503	}
		1504
		1505	/* convert an ieee half/binary16 to float */
		1506	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1507	ecb_function_ ecb_const float
		1508	ecb_binary16_to_float (uint16_t x)
		1509	{
		1510	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1239	}	1511	}
1240		1512
1241	#endif	1513	#endif
1242		1514
1243	#endif	1515	#endif
…		…
1268	#define inline_size ecb_inline	1540	#define inline_size ecb_inline
1269		1541
1270	#if EV_FEATURE_CODE	1542	#if EV_FEATURE_CODE
1271	# define inline_speed ecb_inline	1543	# define inline_speed ecb_inline
1272	#else	1544	#else
1273	# define inline_speed static noinline	1545	# define inline_speed noinline static
1274	#endif	1546	#endif
1275		1547
1276	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1548	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1277		1549
1278	#if EV_MINPRI == EV_MAXPRI	1550	#if EV_MINPRI == EV_MAXPRI
1279	# define ABSPRI(w) (((W)w), 0)	1551	# define ABSPRI(w) (((W)w), 0)
1280	#else	1552	#else
1281	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1553	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1282	#endif	1554	#endif
1283		1555
1284	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1556	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1285	#define EMPTY2(a,b) /* used to suppress some warnings */
1286		1557
1287	typedef ev_watcher *W;	1558	typedef ev_watcher *W;
1288	typedef ev_watcher_list *WL;	1559	typedef ev_watcher_list *WL;
1289	typedef ev_watcher_time *WT;	1560	typedef ev_watcher_time *WT;
1290		1561
…		…
1325	#else	1596	#else
1326		1597
1327	#include <float.h>	1598	#include <float.h>
1328		1599
1329	/* a floor() replacement function, should be independent of ev_tstamp type */	1600	/* a floor() replacement function, should be independent of ev_tstamp type */
		1601	noinline
1330	static ev_tstamp noinline	1602	static ev_tstamp
1331	ev_floor (ev_tstamp v)	1603	ev_floor (ev_tstamp v)
1332	{	1604	{
1333	/* the choice of shift factor is not terribly important */	1605	/* the choice of shift factor is not terribly important */
1334	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1606	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1335	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1607	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1367		1639
1368	#ifdef __linux	1640	#ifdef __linux
1369	# include <sys/utsname.h>	1641	# include <sys/utsname.h>
1370	#endif	1642	#endif
1371		1643
1372	static unsigned int noinline ecb_cold	1644	noinline ecb_cold
		1645	static unsigned int
1373	ev_linux_version (void)	1646	ev_linux_version (void)
1374	{	1647	{
1375	#ifdef __linux	1648	#ifdef __linux
1376	unsigned int v = 0;	1649	unsigned int v = 0;
1377	struct utsname buf;	1650	struct utsname buf;
…		…
1406	}	1679	}
1407		1680
1408	/*****************************************************************************/	1681	/*****************************************************************************/
1409		1682
1410	#if EV_AVOID_STDIO	1683	#if EV_AVOID_STDIO
1411	static void noinline ecb_cold	1684	noinline ecb_cold
		1685	static void
1412	ev_printerr (const char *msg)	1686	ev_printerr (const char *msg)
1413	{	1687	{
1414	write (STDERR_FILENO, msg, strlen (msg));	1688	write (STDERR_FILENO, msg, strlen (msg));
1415	}	1689	}
1416	#endif	1690	#endif
1417		1691
1418	static void (*syserr_cb)(const char *msg) EV_THROW;	1692	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1419		1693
1420	void ecb_cold	1694	ecb_cold
		1695	void
1421	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1696	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1422	{	1697	{
1423	syserr_cb = cb;	1698	syserr_cb = cb;
1424	}	1699	}
1425		1700
1426	static void noinline ecb_cold	1701	noinline ecb_cold
		1702	static void
1427	ev_syserr (const char *msg)	1703	ev_syserr (const char *msg)
1428	{	1704	{
1429	if (!msg)	1705	if (!msg)
1430	msg = "(libev) system error";	1706	msg = "(libev) system error";
1431		1707
…		…
1444	abort ();	1720	abort ();
1445	}	1721	}
1446	}	1722	}
1447		1723
1448	static void *	1724	static void *
1449	ev_realloc_emul (void *ptr, long size) EV_THROW	1725	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1450	{	1726	{
1451	/* some systems, notably openbsd and darwin, fail to properly	1727	/* some systems, notably openbsd and darwin, fail to properly
1452	* implement realloc (x, 0) (as required by both ansi c-89 and	1728	* implement realloc (x, 0) (as required by both ansi c-89 and
1453	* the single unix specification, so work around them here.	1729	* the single unix specification, so work around them here.
1454	* recently, also (at least) fedora and debian started breaking it,	1730	* recently, also (at least) fedora and debian started breaking it,
…		…
1460		1736
1461	free (ptr);	1737	free (ptr);
1462	return 0;	1738	return 0;
1463	}	1739	}
1464		1740
1465	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1741	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1466		1742
1467	void ecb_cold	1743	ecb_cold
		1744	void
1468	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1745	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1469	{	1746	{
1470	alloc = cb;	1747	alloc = cb;
1471	}	1748	}
1472		1749
1473	inline_speed void *	1750	inline_speed void *
…		…
1500	typedef struct	1777	typedef struct
1501	{	1778	{
1502	WL head;	1779	WL head;
1503	unsigned char events; /* the events watched for */	1780	unsigned char events; /* the events watched for */
1504	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1781	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1505	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1782	unsigned char emask; /* some backends store the actual kernel mask in here */
1506	unsigned char unused;	1783	unsigned char unused;
1507	#if EV_USE_EPOLL	1784	#if EV_USE_EPOLL
1508	unsigned int egen; /* generation counter to counter epoll bugs */	1785	unsigned int egen; /* generation counter to counter epoll bugs */
1509	#endif	1786	#endif
1510	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1787	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1590		1867
1591	/*****************************************************************************/	1868	/*****************************************************************************/
1592		1869
1593	#ifndef EV_HAVE_EV_TIME	1870	#ifndef EV_HAVE_EV_TIME
1594	ev_tstamp	1871	ev_tstamp
1595	ev_time (void) EV_THROW	1872	ev_time (void) EV_NOEXCEPT
1596	{	1873	{
1597	#if EV_USE_REALTIME	1874	#if EV_USE_REALTIME
1598	if (expect_true (have_realtime))	1875	if (expect_true (have_realtime))
1599	{	1876	{
1600	struct timespec ts;	1877	struct timespec ts;
…		…
1624	return ev_time ();	1901	return ev_time ();
1625	}	1902	}
1626		1903
1627	#if EV_MULTIPLICITY	1904	#if EV_MULTIPLICITY
1628	ev_tstamp	1905	ev_tstamp
1629	ev_now (EV_P) EV_THROW	1906	ev_now (EV_P) EV_NOEXCEPT
1630	{	1907	{
1631	return ev_rt_now;	1908	return ev_rt_now;
1632	}	1909	}
1633	#endif	1910	#endif
1634		1911
1635	void	1912	void
1636	ev_sleep (ev_tstamp delay) EV_THROW	1913	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1637	{	1914	{
1638	if (delay > 0.)	1915	if (delay > 0.)
1639	{	1916	{
1640	#if EV_USE_NANOSLEEP	1917	#if EV_USE_NANOSLEEP
1641	struct timespec ts;	1918	struct timespec ts;
1642		1919
1643	EV_TS_SET (ts, delay);	1920	EV_TS_SET (ts, delay);
1644	nanosleep (&ts, 0);	1921	nanosleep (&ts, 0);
1645	#elif defined _WIN32	1922	#elif defined _WIN32
		1923	/* maybe this should round up, as ms is very low resolution */
		1924	/* compared to select (µs) or nanosleep (ns) */
1646	Sleep ((unsigned long)(delay * 1e3));	1925	Sleep ((unsigned long)(delay * 1e3));
1647	#else	1926	#else
1648	struct timeval tv;	1927	struct timeval tv;
1649		1928
1650	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1929	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1681	}	1960	}
1682		1961
1683	return ncur;	1962	return ncur;
1684	}	1963	}
1685		1964
1686	static void * noinline ecb_cold	1965	noinline ecb_cold
		1966	static void *
1687	array_realloc (int elem, void *base, int *cur, int cnt)	1967	array_realloc (int elem, void *base, int *cur, int cnt)
1688	{	1968	{
1689	*cur = array_nextsize (elem, *cur, cnt);	1969	*cur = array_nextsize (elem, *cur, cnt);
1690	return ev_realloc (base, elem * *cur);	1970	return ev_realloc (base, elem * *cur);
1691	}	1971	}
1692		1972
		1973	#define array_needsize_noinit(base,count)
		1974
1693	#define array_init_zero(base,count) \	1975	#define array_needsize_zerofill(base,count) \
1694	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1976	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1695		1977
1696	#define array_needsize(type,base,cur,cnt,init) \	1978	#define array_needsize(type,base,cur,cnt,init) \
1697	if (expect_false ((cnt) > (cur))) \	1979	if (expect_false ((cnt) > (cur))) \
1698	{ \	1980	{ \
1699	int ecb_unused ocur_ = (cur); \	1981	ecb_unused int ocur_ = (cur); \
1700	(base) = (type *)array_realloc \	1982	(base) = (type *)array_realloc \
1701	(sizeof (type), (base), &(cur), (cnt)); \	1983	(sizeof (type), (base), &(cur), (cnt)); \
1702	init ((base) + (ocur_), (cur) - ocur_); \	1984	init ((base) + (ocur_), (cur) - ocur_); \
1703	}	1985	}
1704		1986
…		…
1716	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	1998	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1717		1999
1718	/*****************************************************************************/	2000	/*****************************************************************************/
1719		2001
1720	/* dummy callback for pending events */	2002	/* dummy callback for pending events */
1721	static void noinline	2003	noinline
		2004	static void
1722	pendingcb (EV_P_ ev_prepare *w, int revents)	2005	pendingcb (EV_P_ ev_prepare *w, int revents)
1723	{	2006	{
1724	}	2007	}
1725		2008
1726	void noinline	2009	noinline
		2010	void
1727	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2011	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1728	{	2012	{
1729	W w_ = (W)w;	2013	W w_ = (W)w;
1730	int pri = ABSPRI (w_);	2014	int pri = ABSPRI (w_);
1731		2015
1732	if (expect_false (w_->pending))	2016	if (expect_false (w_->pending))
1733	pendings [pri][w_->pending - 1].events |= revents;	2017	pendings [pri][w_->pending - 1].events |= revents;
1734	else	2018	else
1735	{	2019	{
1736	w_->pending = ++pendingcnt [pri];	2020	w_->pending = ++pendingcnt [pri];
1737	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2021	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1738	pendings [pri][w_->pending - 1].w = w_;	2022	pendings [pri][w_->pending - 1].w = w_;
1739	pendings [pri][w_->pending - 1].events = revents;	2023	pendings [pri][w_->pending - 1].events = revents;
1740	}	2024	}
1741		2025
1742	pendingpri = NUMPRI - 1;	2026	pendingpri = NUMPRI - 1;
1743	}	2027	}
1744		2028
1745	inline_speed void	2029	inline_speed void
1746	feed_reverse (EV_P_ W w)	2030	feed_reverse (EV_P_ W w)
1747	{	2031	{
1748	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2032	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1749	rfeeds [rfeedcnt++] = w;	2033	rfeeds [rfeedcnt++] = w;
1750	}	2034	}
1751		2035
1752	inline_size void	2036	inline_size void
1753	feed_reverse_done (EV_P_ int revents)	2037	feed_reverse_done (EV_P_ int revents)
…		…
1793	if (expect_true (!anfd->reify))	2077	if (expect_true (!anfd->reify))
1794	fd_event_nocheck (EV_A_ fd, revents);	2078	fd_event_nocheck (EV_A_ fd, revents);
1795	}	2079	}
1796		2080
1797	void	2081	void
1798	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2082	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1799	{	2083	{
1800	if (fd >= 0 && fd < anfdmax)	2084	if (fd >= 0 && fd < anfdmax)
1801	fd_event_nocheck (EV_A_ fd, revents);	2085	fd_event_nocheck (EV_A_ fd, revents);
1802	}	2086	}
1803		2087
…		…
1861		2145
1862	fdchangecnt = 0;	2146	fdchangecnt = 0;
1863	}	2147	}
1864		2148
1865	/* something about the given fd changed */	2149	/* something about the given fd changed */
1866	inline_size void	2150	inline_size
		2151	void
1867	fd_change (EV_P_ int fd, int flags)	2152	fd_change (EV_P_ int fd, int flags)
1868	{	2153	{
1869	unsigned char reify = anfds [fd].reify;	2154	unsigned char reify = anfds [fd].reify;
1870	anfds [fd].reify |= flags;	2155	anfds [fd].reify |= flags;
1871		2156
1872	if (expect_true (!reify))	2157	if (expect_true (!reify))
1873	{	2158	{
1874	++fdchangecnt;	2159	++fdchangecnt;
1875	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2160	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1876	fdchanges [fdchangecnt - 1] = fd;	2161	fdchanges [fdchangecnt - 1] = fd;
1877	}	2162	}
1878	}	2163	}
1879		2164
1880	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2165	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1881	inline_speed void ecb_cold	2166	inline_speed ecb_cold void
1882	fd_kill (EV_P_ int fd)	2167	fd_kill (EV_P_ int fd)
1883	{	2168	{
1884	ev_io *w;	2169	ev_io *w;
1885		2170
1886	while ((w = (ev_io *)anfds [fd].head))	2171	while ((w = (ev_io *)anfds [fd].head))
…		…
1889	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2174	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1890	}	2175	}
1891	}	2176	}
1892		2177
1893	/* check whether the given fd is actually valid, for error recovery */	2178	/* check whether the given fd is actually valid, for error recovery */
1894	inline_size int ecb_cold	2179	inline_size ecb_cold int
1895	fd_valid (int fd)	2180	fd_valid (int fd)
1896	{	2181	{
1897	#ifdef _WIN32	2182	#ifdef _WIN32
1898	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2183	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1899	#else	2184	#else
1900	return fcntl (fd, F_GETFD) != -1;	2185	return fcntl (fd, F_GETFD) != -1;
1901	#endif	2186	#endif
1902	}	2187	}
1903		2188
1904	/* called on EBADF to verify fds */	2189	/* called on EBADF to verify fds */
1905	static void noinline ecb_cold	2190	noinline ecb_cold
		2191	static void
1906	fd_ebadf (EV_P)	2192	fd_ebadf (EV_P)
1907	{	2193	{
1908	int fd;	2194	int fd;
1909		2195
1910	for (fd = 0; fd < anfdmax; ++fd)	2196	for (fd = 0; fd < anfdmax; ++fd)
…		…
1912	if (!fd_valid (fd) && errno == EBADF)	2198	if (!fd_valid (fd) && errno == EBADF)
1913	fd_kill (EV_A_ fd);	2199	fd_kill (EV_A_ fd);
1914	}	2200	}
1915		2201
1916	/* called on ENOMEM in select/poll to kill some fds and retry */	2202	/* called on ENOMEM in select/poll to kill some fds and retry */
1917	static void noinline ecb_cold	2203	noinline ecb_cold
		2204	static void
1918	fd_enomem (EV_P)	2205	fd_enomem (EV_P)
1919	{	2206	{
1920	int fd;	2207	int fd;
1921		2208
1922	for (fd = anfdmax; fd--; )	2209	for (fd = anfdmax; fd--; )
…		…
1926	break;	2213	break;
1927	}	2214	}
1928	}	2215	}
1929		2216
1930	/* usually called after fork if backend needs to re-arm all fds from scratch */	2217	/* usually called after fork if backend needs to re-arm all fds from scratch */
1931	static void noinline	2218	noinline
		2219	static void
1932	fd_rearm_all (EV_P)	2220	fd_rearm_all (EV_P)
1933	{	2221	{
1934	int fd;	2222	int fd;
1935		2223
1936	for (fd = 0; fd < anfdmax; ++fd)	2224	for (fd = 0; fd < anfdmax; ++fd)
…		…
2117		2405
2118	/*****************************************************************************/	2406	/*****************************************************************************/
2119		2407
2120	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2408	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2121		2409
2122	static void noinline ecb_cold	2410	noinline ecb_cold
		2411	static void
2123	evpipe_init (EV_P)	2412	evpipe_init (EV_P)
2124	{	2413	{
2125	if (!ev_is_active (&pipe_w))	2414	if (!ev_is_active (&pipe_w))
2126	{	2415	{
2127	int fds [2];	2416	int fds [2];
…		…
2198	#endif	2487	#endif
2199	{	2488	{
2200	#ifdef _WIN32	2489	#ifdef _WIN32
2201	WSABUF buf;	2490	WSABUF buf;
2202	DWORD sent;	2491	DWORD sent;
2203	buf.buf = &buf;	2492	buf.buf = (char *)&buf;
2204	buf.len = 1;	2493	buf.len = 1;
2205	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2494	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2206	#else	2495	#else
2207	write (evpipe [1], &(evpipe [1]), 1);	2496	write (evpipe [1], &(evpipe [1]), 1);
2208	#endif	2497	#endif
…		…
2280	}	2569	}
2281		2570
2282	/*****************************************************************************/	2571	/*****************************************************************************/
2283		2572
2284	void	2573	void
2285	ev_feed_signal (int signum) EV_THROW	2574	ev_feed_signal (int signum) EV_NOEXCEPT
2286	{	2575	{
2287	#if EV_MULTIPLICITY	2576	#if EV_MULTIPLICITY
2288	EV_P;	2577	EV_P;
2289	ECB_MEMORY_FENCE_ACQUIRE;	2578	ECB_MEMORY_FENCE_ACQUIRE;
2290	EV_A = signals [signum - 1].loop;	2579	EV_A = signals [signum - 1].loop;
…		…
2305	#endif	2594	#endif
2306		2595
2307	ev_feed_signal (signum);	2596	ev_feed_signal (signum);
2308	}	2597	}
2309		2598
2310	void noinline	2599	noinline
		2600	void
2311	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2601	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2312	{	2602	{
2313	WL w;	2603	WL w;
2314		2604
2315	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2605	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2316	return;	2606	return;
…		…
2422	# include "ev_port.c"	2712	# include "ev_port.c"
2423	#endif	2713	#endif
2424	#if EV_USE_KQUEUE	2714	#if EV_USE_KQUEUE
2425	# include "ev_kqueue.c"	2715	# include "ev_kqueue.c"
2426	#endif	2716	#endif
		2717	#if EV_USE_LINUXAIO
		2718	# include "ev_linuxaio.c"
		2719	#endif
2427	#if EV_USE_EPOLL	2720	#if EV_USE_EPOLL
2428	# include "ev_epoll.c"	2721	# include "ev_epoll.c"
2429	#endif	2722	#endif
2430	#if EV_USE_POLL	2723	#if EV_USE_POLL
2431	# include "ev_poll.c"	2724	# include "ev_poll.c"
2432	#endif	2725	#endif
2433	#if EV_USE_SELECT	2726	#if EV_USE_SELECT
2434	# include "ev_select.c"	2727	# include "ev_select.c"
2435	#endif	2728	#endif
2436		2729
2437	int ecb_cold	2730	ecb_cold int
2438	ev_version_major (void) EV_THROW	2731	ev_version_major (void) EV_NOEXCEPT
2439	{	2732	{
2440	return EV_VERSION_MAJOR;	2733	return EV_VERSION_MAJOR;
2441	}	2734	}
2442		2735
2443	int ecb_cold	2736	ecb_cold int
2444	ev_version_minor (void) EV_THROW	2737	ev_version_minor (void) EV_NOEXCEPT
2445	{	2738	{
2446	return EV_VERSION_MINOR;	2739	return EV_VERSION_MINOR;
2447	}	2740	}
2448		2741
2449	/* return true if we are running with elevated privileges and should ignore env variables */	2742	/* return true if we are running with elevated privileges and should ignore env variables */
2450	int inline_size ecb_cold	2743	inline_size ecb_cold int
2451	enable_secure (void)	2744	enable_secure (void)
2452	{	2745	{
2453	#ifdef _WIN32	2746	#ifdef _WIN32
2454	return 0;	2747	return 0;
2455	#else	2748	#else
2456	return getuid () != geteuid ()	2749	return getuid () != geteuid ()
2457	|| getgid () != getegid ();	2750	|| getgid () != getegid ();
2458	#endif	2751	#endif
2459	}	2752	}
2460		2753
2461	unsigned int ecb_cold	2754	ecb_cold
		2755	unsigned int
2462	ev_supported_backends (void) EV_THROW	2756	ev_supported_backends (void) EV_NOEXCEPT
2463	{	2757	{
2464	unsigned int flags = 0;	2758	unsigned int flags = 0;
2465		2759
2466	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2760	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2467	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2761	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2468	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2762	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2763	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2469	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2764	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2470	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2765	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2471		2766
2472	return flags;	2767	return flags;
2473	}	2768	}
2474		2769
2475	unsigned int ecb_cold	2770	ecb_cold
		2771	unsigned int
2476	ev_recommended_backends (void) EV_THROW	2772	ev_recommended_backends (void) EV_NOEXCEPT
2477	{	2773	{
2478	unsigned int flags = ev_supported_backends ();	2774	unsigned int flags = ev_supported_backends ();
2479		2775
2480	#ifndef __NetBSD__	2776	#ifndef __NetBSD__
2481	/* kqueue is borked on everything but netbsd apparently */	2777	/* kqueue is borked on everything but netbsd apparently */
…		…
2492	#endif	2788	#endif
2493		2789
2494	return flags;	2790	return flags;
2495	}	2791	}
2496		2792
2497	unsigned int ecb_cold	2793	ecb_cold
		2794	unsigned int
2498	ev_embeddable_backends (void) EV_THROW	2795	ev_embeddable_backends (void) EV_NOEXCEPT
2499	{	2796	{
2500	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2797	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2501		2798
2502	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2799	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2503	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2800	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2505		2802
2506	return flags;	2803	return flags;
2507	}	2804	}
2508		2805
2509	unsigned int	2806	unsigned int
2510	ev_backend (EV_P) EV_THROW	2807	ev_backend (EV_P) EV_NOEXCEPT
2511	{	2808	{
2512	return backend;	2809	return backend;
2513	}	2810	}
2514		2811
2515	#if EV_FEATURE_API	2812	#if EV_FEATURE_API
2516	unsigned int	2813	unsigned int
2517	ev_iteration (EV_P) EV_THROW	2814	ev_iteration (EV_P) EV_NOEXCEPT
2518	{	2815	{
2519	return loop_count;	2816	return loop_count;
2520	}	2817	}
2521		2818
2522	unsigned int	2819	unsigned int
2523	ev_depth (EV_P) EV_THROW	2820	ev_depth (EV_P) EV_NOEXCEPT
2524	{	2821	{
2525	return loop_depth;	2822	return loop_depth;
2526	}	2823	}
2527		2824
2528	void	2825	void
2529	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2826	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2530	{	2827	{
2531	io_blocktime = interval;	2828	io_blocktime = interval;
2532	}	2829	}
2533		2830
2534	void	2831	void
2535	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2832	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2536	{	2833	{
2537	timeout_blocktime = interval;	2834	timeout_blocktime = interval;
2538	}	2835	}
2539		2836
2540	void	2837	void
2541	ev_set_userdata (EV_P_ void *data) EV_THROW	2838	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2542	{	2839	{
2543	userdata = data;	2840	userdata = data;
2544	}	2841	}
2545		2842
2546	void *	2843	void *
2547	ev_userdata (EV_P) EV_THROW	2844	ev_userdata (EV_P) EV_NOEXCEPT
2548	{	2845	{
2549	return userdata;	2846	return userdata;
2550	}	2847	}
2551		2848
2552	void	2849	void
2553	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW	2850	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2554	{	2851	{
2555	invoke_cb = invoke_pending_cb;	2852	invoke_cb = invoke_pending_cb;
2556	}	2853	}
2557		2854
2558	void	2855	void
2559	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW	2856	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2560	{	2857	{
2561	release_cb = release;	2858	release_cb = release;
2562	acquire_cb = acquire;	2859	acquire_cb = acquire;
2563	}	2860	}
2564	#endif	2861	#endif
2565		2862
2566	/* initialise a loop structure, must be zero-initialised */	2863	/* initialise a loop structure, must be zero-initialised */
2567	static void noinline ecb_cold	2864	noinline ecb_cold
		2865	static void
2568	loop_init (EV_P_ unsigned int flags) EV_THROW	2866	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2569	{	2867	{
2570	if (!backend)	2868	if (!backend)
2571	{	2869	{
2572	origflags = flags;	2870	origflags = flags;
2573		2871
…		…
2631		2929
2632	if (!(flags & EVBACKEND_MASK))	2930	if (!(flags & EVBACKEND_MASK))
2633	flags |= ev_recommended_backends ();	2931	flags |= ev_recommended_backends ();
2634		2932
2635	#if EV_USE_IOCP	2933	#if EV_USE_IOCP
2636	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	2934	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2637	#endif	2935	#endif
2638	#if EV_USE_PORT	2936	#if EV_USE_PORT
2639	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	2937	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2640	#endif	2938	#endif
2641	#if EV_USE_KQUEUE	2939	#if EV_USE_KQUEUE
2642	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	2940	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		2941	#endif
		2942	#if EV_USE_LINUXAIO
		2943	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2643	#endif	2944	#endif
2644	#if EV_USE_EPOLL	2945	#if EV_USE_EPOLL
2645	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	2946	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2646	#endif	2947	#endif
2647	#if EV_USE_POLL	2948	#if EV_USE_POLL
2648	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	2949	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2649	#endif	2950	#endif
2650	#if EV_USE_SELECT	2951	#if EV_USE_SELECT
2651	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	2952	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2652	#endif	2953	#endif
2653		2954
2654	ev_prepare_init (&pending_w, pendingcb);	2955	ev_prepare_init (&pending_w, pendingcb);
2655		2956
2656	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2957	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2659	#endif	2960	#endif
2660	}	2961	}
2661	}	2962	}
2662		2963
2663	/* free up a loop structure */	2964	/* free up a loop structure */
2664	void ecb_cold	2965	ecb_cold
		2966	void
2665	ev_loop_destroy (EV_P)	2967	ev_loop_destroy (EV_P)
2666	{	2968	{
2667	int i;	2969	int i;
2668		2970
2669	#if EV_MULTIPLICITY	2971	#if EV_MULTIPLICITY
…		…
2710		3012
2711	if (backend_fd >= 0)	3013	if (backend_fd >= 0)
2712	close (backend_fd);	3014	close (backend_fd);
2713		3015
2714	#if EV_USE_IOCP	3016	#if EV_USE_IOCP
2715	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3017	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2716	#endif	3018	#endif
2717	#if EV_USE_PORT	3019	#if EV_USE_PORT
2718	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3020	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2719	#endif	3021	#endif
2720	#if EV_USE_KQUEUE	3022	#if EV_USE_KQUEUE
2721	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3023	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3024	#endif
		3025	#if EV_USE_LINUXAIO
		3026	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2722	#endif	3027	#endif
2723	#if EV_USE_EPOLL	3028	#if EV_USE_EPOLL
2724	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3029	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2725	#endif	3030	#endif
2726	#if EV_USE_POLL	3031	#if EV_USE_POLL
2727	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3032	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2728	#endif	3033	#endif
2729	#if EV_USE_SELECT	3034	#if EV_USE_SELECT
2730	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3035	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2731	#endif	3036	#endif
2732		3037
2733	for (i = NUMPRI; i--; )	3038	for (i = NUMPRI; i--; )
2734	{	3039	{
2735	array_free (pending, [i]);	3040	array_free (pending, [i]);
…		…
2777		3082
2778	inline_size void	3083	inline_size void
2779	loop_fork (EV_P)	3084	loop_fork (EV_P)
2780	{	3085	{
2781	#if EV_USE_PORT	3086	#if EV_USE_PORT
2782	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3087	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2783	#endif	3088	#endif
2784	#if EV_USE_KQUEUE	3089	#if EV_USE_KQUEUE
2785	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3090	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3091	#endif
		3092	#if EV_USE_LINUXAIO
		3093	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2786	#endif	3094	#endif
2787	#if EV_USE_EPOLL	3095	#if EV_USE_EPOLL
2788	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3096	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2789	#endif	3097	#endif
2790	#if EV_USE_INOTIFY	3098	#if EV_USE_INOTIFY
2791	infy_fork (EV_A);	3099	infy_fork (EV_A);
2792	#endif	3100	#endif
2793		3101
2794	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3102	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2795	if (ev_is_active (&pipe_w))	3103	if (ev_is_active (&pipe_w) && postfork != 2)
2796	{	3104	{
2797	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3105	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2798		3106
2799	ev_ref (EV_A);	3107	ev_ref (EV_A);
2800	ev_io_stop (EV_A_ &pipe_w);	3108	ev_io_stop (EV_A_ &pipe_w);
…		…
2811	postfork = 0;	3119	postfork = 0;
2812	}	3120	}
2813		3121
2814	#if EV_MULTIPLICITY	3122	#if EV_MULTIPLICITY
2815		3123
		3124	ecb_cold
2816	struct ev_loop * ecb_cold	3125	struct ev_loop *
2817	ev_loop_new (unsigned int flags) EV_THROW	3126	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2818	{	3127	{
2819	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3128	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2820		3129
2821	memset (EV_A, 0, sizeof (struct ev_loop));	3130	memset (EV_A, 0, sizeof (struct ev_loop));
2822	loop_init (EV_A_ flags);	3131	loop_init (EV_A_ flags);
…		…
2829	}	3138	}
2830		3139
2831	#endif /* multiplicity */	3140	#endif /* multiplicity */
2832		3141
2833	#if EV_VERIFY	3142	#if EV_VERIFY
2834	static void noinline ecb_cold	3143	noinline ecb_cold
		3144	static void
2835	verify_watcher (EV_P_ W w)	3145	verify_watcher (EV_P_ W w)
2836	{	3146	{
2837	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3147	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2838		3148
2839	if (w->pending)	3149	if (w->pending)
2840	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3150	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2841	}	3151	}
2842		3152
2843	static void noinline ecb_cold	3153	noinline ecb_cold
		3154	static void
2844	verify_heap (EV_P_ ANHE *heap, int N)	3155	verify_heap (EV_P_ ANHE *heap, int N)
2845	{	3156	{
2846	int i;	3157	int i;
2847		3158
2848	for (i = HEAP0; i < N + HEAP0; ++i)	3159	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2853		3164
2854	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3165	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2855	}	3166	}
2856	}	3167	}
2857		3168
2858	static void noinline ecb_cold	3169	noinline ecb_cold
		3170	static void
2859	array_verify (EV_P_ W *ws, int cnt)	3171	array_verify (EV_P_ W *ws, int cnt)
2860	{	3172	{
2861	while (cnt--)	3173	while (cnt--)
2862	{	3174	{
2863	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3175	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2866	}	3178	}
2867	#endif	3179	#endif
2868		3180
2869	#if EV_FEATURE_API	3181	#if EV_FEATURE_API
2870	void ecb_cold	3182	void ecb_cold
2871	ev_verify (EV_P) EV_THROW	3183	ev_verify (EV_P) EV_NOEXCEPT
2872	{	3184	{
2873	#if EV_VERIFY	3185	#if EV_VERIFY
2874	int i;	3186	int i;
2875	WL w, w2;	3187	WL w, w2;
2876		3188
…		…
2952	#endif	3264	#endif
2953	}	3265	}
2954	#endif	3266	#endif
2955		3267
2956	#if EV_MULTIPLICITY	3268	#if EV_MULTIPLICITY
		3269	ecb_cold
2957	struct ev_loop * ecb_cold	3270	struct ev_loop *
2958	#else	3271	#else
2959	int	3272	int
2960	#endif	3273	#endif
2961	ev_default_loop (unsigned int flags) EV_THROW	3274	ev_default_loop (unsigned int flags) EV_NOEXCEPT
2962	{	3275	{
2963	if (!ev_default_loop_ptr)	3276	if (!ev_default_loop_ptr)
2964	{	3277	{
2965	#if EV_MULTIPLICITY	3278	#if EV_MULTIPLICITY
2966	EV_P = ev_default_loop_ptr = &default_loop_struct;	3279	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2985		3298
2986	return ev_default_loop_ptr;	3299	return ev_default_loop_ptr;
2987	}	3300	}
2988		3301
2989	void	3302	void
2990	ev_loop_fork (EV_P) EV_THROW	3303	ev_loop_fork (EV_P) EV_NOEXCEPT
2991	{	3304	{
2992	postfork = 1;	3305	postfork = 1;
2993	}	3306	}
2994		3307
2995	/*****************************************************************************/	3308	/*****************************************************************************/
…		…
2999	{	3312	{
3000	EV_CB_INVOKE ((W)w, revents);	3313	EV_CB_INVOKE ((W)w, revents);
3001	}	3314	}
3002		3315
3003	unsigned int	3316	unsigned int
3004	ev_pending_count (EV_P) EV_THROW	3317	ev_pending_count (EV_P) EV_NOEXCEPT
3005	{	3318	{
3006	int pri;	3319	int pri;
3007	unsigned int count = 0;	3320	unsigned int count = 0;
3008		3321
3009	for (pri = NUMPRI; pri--; )	3322	for (pri = NUMPRI; pri--; )
3010	count += pendingcnt [pri];	3323	count += pendingcnt [pri];
3011		3324
3012	return count;	3325	return count;
3013	}	3326	}
3014		3327
3015	void noinline	3328	noinline
		3329	void
3016	ev_invoke_pending (EV_P)	3330	ev_invoke_pending (EV_P)
3017	{	3331	{
3018	pendingpri = NUMPRI;	3332	pendingpri = NUMPRI;
3019		3333
3020	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3334	do
3021	{	3335	{
3022	--pendingpri;	3336	--pendingpri;
3023		3337
		3338	/* pendingpri possibly gets modified in the inner loop */
3024	while (pendingcnt [pendingpri])	3339	while (pendingcnt [pendingpri])
3025	{	3340	{
3026	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3341	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3027		3342
3028	p->w->pending = 0;	3343	p->w->pending = 0;
3029	EV_CB_INVOKE (p->w, p->events);	3344	EV_CB_INVOKE (p->w, p->events);
3030	EV_FREQUENT_CHECK;	3345	EV_FREQUENT_CHECK;
3031	}	3346	}
3032	}	3347	}
		3348	while (pendingpri);
3033	}	3349	}
3034		3350
3035	#if EV_IDLE_ENABLE	3351	#if EV_IDLE_ENABLE
3036	/* make idle watchers pending. this handles the "call-idle */	3352	/* make idle watchers pending. this handles the "call-idle */
3037	/* only when higher priorities are idle" logic */	3353	/* only when higher priorities are idle" logic */
…		…
3095	}	3411	}
3096	}	3412	}
3097		3413
3098	#if EV_PERIODIC_ENABLE	3414	#if EV_PERIODIC_ENABLE
3099		3415
3100	static void noinline	3416	noinline
		3417	static void
3101	periodic_recalc (EV_P_ ev_periodic *w)	3418	periodic_recalc (EV_P_ ev_periodic *w)
3102	{	3419	{
3103	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3420	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3104	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3421	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3105		3422
…		…
3163	}	3480	}
3164	}	3481	}
3165		3482
3166	/* simply recalculate all periodics */	3483	/* simply recalculate all periodics */
3167	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3484	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3168	static void noinline ecb_cold	3485	noinline ecb_cold
		3486	static void
3169	periodics_reschedule (EV_P)	3487	periodics_reschedule (EV_P)
3170	{	3488	{
3171	int i;	3489	int i;
3172		3490
3173	/* adjust periodics after time jump */	3491	/* adjust periodics after time jump */
…		…
3186	reheap (periodics, periodiccnt);	3504	reheap (periodics, periodiccnt);
3187	}	3505	}
3188	#endif	3506	#endif
3189		3507
3190	/* adjust all timers by a given offset */	3508	/* adjust all timers by a given offset */
3191	static void noinline ecb_cold	3509	noinline ecb_cold
		3510	static void
3192	timers_reschedule (EV_P_ ev_tstamp adjust)	3511	timers_reschedule (EV_P_ ev_tstamp adjust)
3193	{	3512	{
3194	int i;	3513	int i;
3195		3514
3196	for (i = 0; i < timercnt; ++i)	3515	for (i = 0; i < timercnt; ++i)
…		…
3443		3762
3444	return activecnt;	3763	return activecnt;
3445	}	3764	}
3446		3765
3447	void	3766	void
3448	ev_break (EV_P_ int how) EV_THROW	3767	ev_break (EV_P_ int how) EV_NOEXCEPT
3449	{	3768	{
3450	loop_done = how;	3769	loop_done = how;
3451	}	3770	}
3452		3771
3453	void	3772	void
3454	ev_ref (EV_P) EV_THROW	3773	ev_ref (EV_P) EV_NOEXCEPT
3455	{	3774	{
3456	++activecnt;	3775	++activecnt;
3457	}	3776	}
3458		3777
3459	void	3778	void
3460	ev_unref (EV_P) EV_THROW	3779	ev_unref (EV_P) EV_NOEXCEPT
3461	{	3780	{
3462	--activecnt;	3781	--activecnt;
3463	}	3782	}
3464		3783
3465	void	3784	void
3466	ev_now_update (EV_P) EV_THROW	3785	ev_now_update (EV_P) EV_NOEXCEPT
3467	{	3786	{
3468	time_update (EV_A_ 1e100);	3787	time_update (EV_A_ 1e100);
3469	}	3788	}
3470		3789
3471	void	3790	void
3472	ev_suspend (EV_P) EV_THROW	3791	ev_suspend (EV_P) EV_NOEXCEPT
3473	{	3792	{
3474	ev_now_update (EV_A);	3793	ev_now_update (EV_A);
3475	}	3794	}
3476		3795
3477	void	3796	void
3478	ev_resume (EV_P) EV_THROW	3797	ev_resume (EV_P) EV_NOEXCEPT
3479	{	3798	{
3480	ev_tstamp mn_prev = mn_now;	3799	ev_tstamp mn_prev = mn_now;
3481		3800
3482	ev_now_update (EV_A);	3801	ev_now_update (EV_A);
3483	timers_reschedule (EV_A_ mn_now - mn_prev);	3802	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3522	w->pending = 0;	3841	w->pending = 0;
3523	}	3842	}
3524	}	3843	}
3525		3844
3526	int	3845	int
3527	ev_clear_pending (EV_P_ void *w) EV_THROW	3846	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3528	{	3847	{
3529	W w_ = (W)w;	3848	W w_ = (W)w;
3530	int pending = w_->pending;	3849	int pending = w_->pending;
3531		3850
3532	if (expect_true (pending))	3851	if (expect_true (pending))
…		…
3564	w->active = 0;	3883	w->active = 0;
3565	}	3884	}
3566		3885
3567	/*****************************************************************************/	3886	/*****************************************************************************/
3568		3887
3569	void noinline	3888	noinline
		3889	void
3570	ev_io_start (EV_P_ ev_io *w) EV_THROW	3890	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3571	{	3891	{
3572	int fd = w->fd;	3892	int fd = w->fd;
3573		3893
3574	if (expect_false (ev_is_active (w)))	3894	if (expect_false (ev_is_active (w)))
3575	return;	3895	return;
…		…
3578	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	3898	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3579		3899
3580	EV_FREQUENT_CHECK;	3900	EV_FREQUENT_CHECK;
3581		3901
3582	ev_start (EV_A_ (W)w, 1);	3902	ev_start (EV_A_ (W)w, 1);
3583	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3903	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3584	wlist_add (&anfds[fd].head, (WL)w);	3904	wlist_add (&anfds[fd].head, (WL)w);
3585		3905
3586	/* common bug, apparently */	3906	/* common bug, apparently */
3587	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	3907	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3588		3908
…		…
3590	w->events &= ~EV__IOFDSET;	3910	w->events &= ~EV__IOFDSET;
3591		3911
3592	EV_FREQUENT_CHECK;	3912	EV_FREQUENT_CHECK;
3593	}	3913	}
3594		3914
3595	void noinline	3915	noinline
		3916	void
3596	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3917	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3597	{	3918	{
3598	clear_pending (EV_A_ (W)w);	3919	clear_pending (EV_A_ (W)w);
3599	if (expect_false (!ev_is_active (w)))	3920	if (expect_false (!ev_is_active (w)))
3600	return;	3921	return;
3601		3922
…		…
3609	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3930	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3610		3931
3611	EV_FREQUENT_CHECK;	3932	EV_FREQUENT_CHECK;
3612	}	3933	}
3613		3934
3614	void noinline	3935	noinline
		3936	void
3615	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3937	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3616	{	3938	{
3617	if (expect_false (ev_is_active (w)))	3939	if (expect_false (ev_is_active (w)))
3618	return;	3940	return;
3619		3941
3620	ev_at (w) += mn_now;	3942	ev_at (w) += mn_now;
…		…
3623		3945
3624	EV_FREQUENT_CHECK;	3946	EV_FREQUENT_CHECK;
3625		3947
3626	++timercnt;	3948	++timercnt;
3627	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	3949	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3628	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	3950	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3629	ANHE_w (timers [ev_active (w)]) = (WT)w;	3951	ANHE_w (timers [ev_active (w)]) = (WT)w;
3630	ANHE_at_cache (timers [ev_active (w)]);	3952	ANHE_at_cache (timers [ev_active (w)]);
3631	upheap (timers, ev_active (w));	3953	upheap (timers, ev_active (w));
3632		3954
3633	EV_FREQUENT_CHECK;	3955	EV_FREQUENT_CHECK;
3634		3956
3635	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3957	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3636	}	3958	}
3637		3959
3638	void noinline	3960	noinline
		3961	void
3639	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3962	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3640	{	3963	{
3641	clear_pending (EV_A_ (W)w);	3964	clear_pending (EV_A_ (W)w);
3642	if (expect_false (!ev_is_active (w)))	3965	if (expect_false (!ev_is_active (w)))
3643	return;	3966	return;
3644		3967
…		…
3663	ev_stop (EV_A_ (W)w);	3986	ev_stop (EV_A_ (W)w);
3664		3987
3665	EV_FREQUENT_CHECK;	3988	EV_FREQUENT_CHECK;
3666	}	3989	}
3667		3990
3668	void noinline	3991	noinline
		3992	void
3669	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	3993	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3670	{	3994	{
3671	EV_FREQUENT_CHECK;	3995	EV_FREQUENT_CHECK;
3672		3996
3673	clear_pending (EV_A_ (W)w);	3997	clear_pending (EV_A_ (W)w);
3674		3998
…		…
3691		4015
3692	EV_FREQUENT_CHECK;	4016	EV_FREQUENT_CHECK;
3693	}	4017	}
3694		4018
3695	ev_tstamp	4019	ev_tstamp
3696	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4020	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3697	{	4021	{
3698	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4022	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3699	}	4023	}
3700		4024
3701	#if EV_PERIODIC_ENABLE	4025	#if EV_PERIODIC_ENABLE
3702	void noinline	4026	noinline
		4027	void
3703	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4028	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3704	{	4029	{
3705	if (expect_false (ev_is_active (w)))	4030	if (expect_false (ev_is_active (w)))
3706	return;	4031	return;
3707		4032
3708	if (w->reschedule_cb)	4033	if (w->reschedule_cb)
…		…
3717		4042
3718	EV_FREQUENT_CHECK;	4043	EV_FREQUENT_CHECK;
3719		4044
3720	++periodiccnt;	4045	++periodiccnt;
3721	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4046	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3722	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4047	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3723	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4048	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3724	ANHE_at_cache (periodics [ev_active (w)]);	4049	ANHE_at_cache (periodics [ev_active (w)]);
3725	upheap (periodics, ev_active (w));	4050	upheap (periodics, ev_active (w));
3726		4051
3727	EV_FREQUENT_CHECK;	4052	EV_FREQUENT_CHECK;
3728		4053
3729	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4054	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3730	}	4055	}
3731		4056
3732	void noinline	4057	noinline
		4058	void
3733	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4059	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3734	{	4060	{
3735	clear_pending (EV_A_ (W)w);	4061	clear_pending (EV_A_ (W)w);
3736	if (expect_false (!ev_is_active (w)))	4062	if (expect_false (!ev_is_active (w)))
3737	return;	4063	return;
3738		4064
…		…
3755	ev_stop (EV_A_ (W)w);	4081	ev_stop (EV_A_ (W)w);
3756		4082
3757	EV_FREQUENT_CHECK;	4083	EV_FREQUENT_CHECK;
3758	}	4084	}
3759		4085
3760	void noinline	4086	noinline
		4087	void
3761	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4088	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3762	{	4089	{
3763	/* TODO: use adjustheap and recalculation */	4090	/* TODO: use adjustheap and recalculation */
3764	ev_periodic_stop (EV_A_ w);	4091	ev_periodic_stop (EV_A_ w);
3765	ev_periodic_start (EV_A_ w);	4092	ev_periodic_start (EV_A_ w);
3766	}	4093	}
…		…
3770	# define SA_RESTART 0	4097	# define SA_RESTART 0
3771	#endif	4098	#endif
3772		4099
3773	#if EV_SIGNAL_ENABLE	4100	#if EV_SIGNAL_ENABLE
3774		4101
3775	void noinline	4102	noinline
		4103	void
3776	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4104	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3777	{	4105	{
3778	if (expect_false (ev_is_active (w)))	4106	if (expect_false (ev_is_active (w)))
3779	return;	4107	return;
3780		4108
3781	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4109	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3852	}	4180	}
3853		4181
3854	EV_FREQUENT_CHECK;	4182	EV_FREQUENT_CHECK;
3855	}	4183	}
3856		4184
3857	void noinline	4185	noinline
		4186	void
3858	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4187	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3859	{	4188	{
3860	clear_pending (EV_A_ (W)w);	4189	clear_pending (EV_A_ (W)w);
3861	if (expect_false (!ev_is_active (w)))	4190	if (expect_false (!ev_is_active (w)))
3862	return;	4191	return;
3863		4192
…		…
3894	#endif	4223	#endif
3895		4224
3896	#if EV_CHILD_ENABLE	4225	#if EV_CHILD_ENABLE
3897		4226
3898	void	4227	void
3899	ev_child_start (EV_P_ ev_child *w) EV_THROW	4228	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3900	{	4229	{
3901	#if EV_MULTIPLICITY	4230	#if EV_MULTIPLICITY
3902	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4231	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3903	#endif	4232	#endif
3904	if (expect_false (ev_is_active (w)))	4233	if (expect_false (ev_is_active (w)))
…		…
3911		4240
3912	EV_FREQUENT_CHECK;	4241	EV_FREQUENT_CHECK;
3913	}	4242	}
3914		4243
3915	void	4244	void
3916	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4245	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3917	{	4246	{
3918	clear_pending (EV_A_ (W)w);	4247	clear_pending (EV_A_ (W)w);
3919	if (expect_false (!ev_is_active (w)))	4248	if (expect_false (!ev_is_active (w)))
3920	return;	4249	return;
3921		4250
…		…
3938		4267
3939	#define DEF_STAT_INTERVAL 5.0074891	4268	#define DEF_STAT_INTERVAL 5.0074891
3940	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4269	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3941	#define MIN_STAT_INTERVAL 0.1074891	4270	#define MIN_STAT_INTERVAL 0.1074891
3942		4271
3943	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4272	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3944		4273
3945	#if EV_USE_INOTIFY	4274	#if EV_USE_INOTIFY
3946		4275
3947	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4276	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3948	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4277	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3949		4278
3950	static void noinline	4279	noinline
		4280	static void
3951	infy_add (EV_P_ ev_stat *w)	4281	infy_add (EV_P_ ev_stat *w)
3952	{	4282	{
3953	w->wd = inotify_add_watch (fs_fd, w->path,	4283	w->wd = inotify_add_watch (fs_fd, w->path,
3954	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4284	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3955	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4285	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4019	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4349	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4020	ev_timer_again (EV_A_ &w->timer);	4350	ev_timer_again (EV_A_ &w->timer);
4021	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4351	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4022	}	4352	}
4023		4353
4024	static void noinline	4354	noinline
		4355	static void
4025	infy_del (EV_P_ ev_stat *w)	4356	infy_del (EV_P_ ev_stat *w)
4026	{	4357	{
4027	int slot;	4358	int slot;
4028	int wd = w->wd;	4359	int wd = w->wd;
4029		4360
…		…
4036		4367
4037	/* remove this watcher, if others are watching it, they will rearm */	4368	/* remove this watcher, if others are watching it, they will rearm */
4038	inotify_rm_watch (fs_fd, wd);	4369	inotify_rm_watch (fs_fd, wd);
4039	}	4370	}
4040		4371
4041	static void noinline	4372	noinline
		4373	static void
4042	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4374	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4043	{	4375	{
4044	if (slot < 0)	4376	if (slot < 0)
4045	/* overflow, need to check for all hash slots */	4377	/* overflow, need to check for all hash slots */
4046	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4378	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4082	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4414	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4083	ofs += sizeof (struct inotify_event) + ev->len;	4415	ofs += sizeof (struct inotify_event) + ev->len;
4084	}	4416	}
4085	}	4417	}
4086		4418
4087	inline_size void ecb_cold	4419	inline_size ecb_cold
		4420	void
4088	ev_check_2625 (EV_P)	4421	ev_check_2625 (EV_P)
4089	{	4422	{
4090	/* kernels < 2.6.25 are borked	4423	/* kernels < 2.6.25 are borked
4091	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4424	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4092	*/	4425	*/
…		…
4182	#else	4515	#else
4183	# define EV_LSTAT(p,b) lstat (p, b)	4516	# define EV_LSTAT(p,b) lstat (p, b)
4184	#endif	4517	#endif
4185		4518
4186	void	4519	void
4187	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4520	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4188	{	4521	{
4189	if (lstat (w->path, &w->attr) < 0)	4522	if (lstat (w->path, &w->attr) < 0)
4190	w->attr.st_nlink = 0;	4523	w->attr.st_nlink = 0;
4191	else if (!w->attr.st_nlink)	4524	else if (!w->attr.st_nlink)
4192	w->attr.st_nlink = 1;	4525	w->attr.st_nlink = 1;
4193	}	4526	}
4194		4527
4195	static void noinline	4528	noinline
		4529	static void
4196	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4530	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4197	{	4531	{
4198	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4532	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4199		4533
4200	ev_statdata prev = w->attr;	4534	ev_statdata prev = w->attr;
…		…
4231	ev_feed_event (EV_A_ w, EV_STAT);	4565	ev_feed_event (EV_A_ w, EV_STAT);
4232	}	4566	}
4233	}	4567	}
4234		4568
4235	void	4569	void
4236	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4570	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4237	{	4571	{
4238	if (expect_false (ev_is_active (w)))	4572	if (expect_false (ev_is_active (w)))
4239	return;	4573	return;
4240		4574
4241	ev_stat_stat (EV_A_ w);	4575	ev_stat_stat (EV_A_ w);
…		…
4262		4596
4263	EV_FREQUENT_CHECK;	4597	EV_FREQUENT_CHECK;
4264	}	4598	}
4265		4599
4266	void	4600	void
4267	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4601	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4268	{	4602	{
4269	clear_pending (EV_A_ (W)w);	4603	clear_pending (EV_A_ (W)w);
4270	if (expect_false (!ev_is_active (w)))	4604	if (expect_false (!ev_is_active (w)))
4271	return;	4605	return;
4272		4606
…		…
4288	}	4622	}
4289	#endif	4623	#endif
4290		4624
4291	#if EV_IDLE_ENABLE	4625	#if EV_IDLE_ENABLE
4292	void	4626	void
4293	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4627	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4294	{	4628	{
4295	if (expect_false (ev_is_active (w)))	4629	if (expect_false (ev_is_active (w)))
4296	return;	4630	return;
4297		4631
4298	pri_adjust (EV_A_ (W)w);	4632	pri_adjust (EV_A_ (W)w);
…		…
4303	int active = ++idlecnt [ABSPRI (w)];	4637	int active = ++idlecnt [ABSPRI (w)];
4304		4638
4305	++idleall;	4639	++idleall;
4306	ev_start (EV_A_ (W)w, active);	4640	ev_start (EV_A_ (W)w, active);
4307		4641
4308	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4642	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4309	idles [ABSPRI (w)][active - 1] = w;	4643	idles [ABSPRI (w)][active - 1] = w;
4310	}	4644	}
4311		4645
4312	EV_FREQUENT_CHECK;	4646	EV_FREQUENT_CHECK;
4313	}	4647	}
4314		4648
4315	void	4649	void
4316	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4650	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4317	{	4651	{
4318	clear_pending (EV_A_ (W)w);	4652	clear_pending (EV_A_ (W)w);
4319	if (expect_false (!ev_is_active (w)))	4653	if (expect_false (!ev_is_active (w)))
4320	return;	4654	return;
4321		4655
…		…
4335	}	4669	}
4336	#endif	4670	#endif
4337		4671
4338	#if EV_PREPARE_ENABLE	4672	#if EV_PREPARE_ENABLE
4339	void	4673	void
4340	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4674	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4341	{	4675	{
4342	if (expect_false (ev_is_active (w)))	4676	if (expect_false (ev_is_active (w)))
4343	return;	4677	return;
4344		4678
4345	EV_FREQUENT_CHECK;	4679	EV_FREQUENT_CHECK;
4346		4680
4347	ev_start (EV_A_ (W)w, ++preparecnt);	4681	ev_start (EV_A_ (W)w, ++preparecnt);
4348	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4682	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4349	prepares [preparecnt - 1] = w;	4683	prepares [preparecnt - 1] = w;
4350		4684
4351	EV_FREQUENT_CHECK;	4685	EV_FREQUENT_CHECK;
4352	}	4686	}
4353		4687
4354	void	4688	void
4355	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4689	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4356	{	4690	{
4357	clear_pending (EV_A_ (W)w);	4691	clear_pending (EV_A_ (W)w);
4358	if (expect_false (!ev_is_active (w)))	4692	if (expect_false (!ev_is_active (w)))
4359	return;	4693	return;
4360		4694
…		…
4373	}	4707	}
4374	#endif	4708	#endif
4375		4709
4376	#if EV_CHECK_ENABLE	4710	#if EV_CHECK_ENABLE
4377	void	4711	void
4378	ev_check_start (EV_P_ ev_check *w) EV_THROW	4712	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4379	{	4713	{
4380	if (expect_false (ev_is_active (w)))	4714	if (expect_false (ev_is_active (w)))
4381	return;	4715	return;
4382		4716
4383	EV_FREQUENT_CHECK;	4717	EV_FREQUENT_CHECK;
4384		4718
4385	ev_start (EV_A_ (W)w, ++checkcnt);	4719	ev_start (EV_A_ (W)w, ++checkcnt);
4386	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4720	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4387	checks [checkcnt - 1] = w;	4721	checks [checkcnt - 1] = w;
4388		4722
4389	EV_FREQUENT_CHECK;	4723	EV_FREQUENT_CHECK;
4390	}	4724	}
4391		4725
4392	void	4726	void
4393	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4727	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4394	{	4728	{
4395	clear_pending (EV_A_ (W)w);	4729	clear_pending (EV_A_ (W)w);
4396	if (expect_false (!ev_is_active (w)))	4730	if (expect_false (!ev_is_active (w)))
4397	return;	4731	return;
4398		4732
…		…
4410	EV_FREQUENT_CHECK;	4744	EV_FREQUENT_CHECK;
4411	}	4745	}
4412	#endif	4746	#endif
4413		4747
4414	#if EV_EMBED_ENABLE	4748	#if EV_EMBED_ENABLE
4415	void noinline	4749	noinline
		4750	void
4416	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4751	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4417	{	4752	{
4418	ev_run (w->other, EVRUN_NOWAIT);	4753	ev_run (w->other, EVRUN_NOWAIT);
4419	}	4754	}
4420		4755
4421	static void	4756	static void
…		…
4469	ev_idle_stop (EV_A_ idle);	4804	ev_idle_stop (EV_A_ idle);
4470	}	4805	}
4471	#endif	4806	#endif
4472		4807
4473	void	4808	void
4474	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4809	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4475	{	4810	{
4476	if (expect_false (ev_is_active (w)))	4811	if (expect_false (ev_is_active (w)))
4477	return;	4812	return;
4478		4813
4479	{	4814	{
…		…
4500		4835
4501	EV_FREQUENT_CHECK;	4836	EV_FREQUENT_CHECK;
4502	}	4837	}
4503		4838
4504	void	4839	void
4505	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4840	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4506	{	4841	{
4507	clear_pending (EV_A_ (W)w);	4842	clear_pending (EV_A_ (W)w);
4508	if (expect_false (!ev_is_active (w)))	4843	if (expect_false (!ev_is_active (w)))
4509	return;	4844	return;
4510		4845
…		…
4520	}	4855	}
4521	#endif	4856	#endif
4522		4857
4523	#if EV_FORK_ENABLE	4858	#if EV_FORK_ENABLE
4524	void	4859	void
4525	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4860	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4526	{	4861	{
4527	if (expect_false (ev_is_active (w)))	4862	if (expect_false (ev_is_active (w)))
4528	return;	4863	return;
4529		4864
4530	EV_FREQUENT_CHECK;	4865	EV_FREQUENT_CHECK;
4531		4866
4532	ev_start (EV_A_ (W)w, ++forkcnt);	4867	ev_start (EV_A_ (W)w, ++forkcnt);
4533	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4868	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4534	forks [forkcnt - 1] = w;	4869	forks [forkcnt - 1] = w;
4535		4870
4536	EV_FREQUENT_CHECK;	4871	EV_FREQUENT_CHECK;
4537	}	4872	}
4538		4873
4539	void	4874	void
4540	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4875	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4541	{	4876	{
4542	clear_pending (EV_A_ (W)w);	4877	clear_pending (EV_A_ (W)w);
4543	if (expect_false (!ev_is_active (w)))	4878	if (expect_false (!ev_is_active (w)))
4544	return;	4879	return;
4545		4880
…		…
4558	}	4893	}
4559	#endif	4894	#endif
4560		4895
4561	#if EV_CLEANUP_ENABLE	4896	#if EV_CLEANUP_ENABLE
4562	void	4897	void
4563	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4898	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4564	{	4899	{
4565	if (expect_false (ev_is_active (w)))	4900	if (expect_false (ev_is_active (w)))
4566	return;	4901	return;
4567		4902
4568	EV_FREQUENT_CHECK;	4903	EV_FREQUENT_CHECK;
4569		4904
4570	ev_start (EV_A_ (W)w, ++cleanupcnt);	4905	ev_start (EV_A_ (W)w, ++cleanupcnt);
4571	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	4906	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4572	cleanups [cleanupcnt - 1] = w;	4907	cleanups [cleanupcnt - 1] = w;
4573		4908
4574	/* cleanup watchers should never keep a refcount on the loop */	4909	/* cleanup watchers should never keep a refcount on the loop */
4575	ev_unref (EV_A);	4910	ev_unref (EV_A);
4576	EV_FREQUENT_CHECK;	4911	EV_FREQUENT_CHECK;
4577	}	4912	}
4578		4913
4579	void	4914	void
4580	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4915	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4581	{	4916	{
4582	clear_pending (EV_A_ (W)w);	4917	clear_pending (EV_A_ (W)w);
4583	if (expect_false (!ev_is_active (w)))	4918	if (expect_false (!ev_is_active (w)))
4584	return;	4919	return;
4585		4920
…		…
4599	}	4934	}
4600	#endif	4935	#endif
4601		4936
4602	#if EV_ASYNC_ENABLE	4937	#if EV_ASYNC_ENABLE
4603	void	4938	void
4604	ev_async_start (EV_P_ ev_async *w) EV_THROW	4939	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4605	{	4940	{
4606	if (expect_false (ev_is_active (w)))	4941	if (expect_false (ev_is_active (w)))
4607	return;	4942	return;
4608		4943
4609	w->sent = 0;	4944	w->sent = 0;
…		…
4611	evpipe_init (EV_A);	4946	evpipe_init (EV_A);
4612		4947
4613	EV_FREQUENT_CHECK;	4948	EV_FREQUENT_CHECK;
4614		4949
4615	ev_start (EV_A_ (W)w, ++asynccnt);	4950	ev_start (EV_A_ (W)w, ++asynccnt);
4616	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	4951	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4617	asyncs [asynccnt - 1] = w;	4952	asyncs [asynccnt - 1] = w;
4618		4953
4619	EV_FREQUENT_CHECK;	4954	EV_FREQUENT_CHECK;
4620	}	4955	}
4621		4956
4622	void	4957	void
4623	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4958	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4624	{	4959	{
4625	clear_pending (EV_A_ (W)w);	4960	clear_pending (EV_A_ (W)w);
4626	if (expect_false (!ev_is_active (w)))	4961	if (expect_false (!ev_is_active (w)))
4627	return;	4962	return;
4628		4963
…		…
4639		4974
4640	EV_FREQUENT_CHECK;	4975	EV_FREQUENT_CHECK;
4641	}	4976	}
4642		4977
4643	void	4978	void
4644	ev_async_send (EV_P_ ev_async *w) EV_THROW	4979	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4645	{	4980	{
4646	w->sent = 1;	4981	w->sent = 1;
4647	evpipe_write (EV_A_ &async_pending);	4982	evpipe_write (EV_A_ &async_pending);
4648	}	4983	}
4649	#endif	4984	#endif
…		…
4686		5021
4687	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5022	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4688	}	5023	}
4689		5024
4690	void	5025	void
4691	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5026	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4692	{	5027	{
4693	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5028	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4694
4695	if (expect_false (!once))
4696	{
4697	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4698	return;
4699	}
4700		5029
4701	once->cb = cb;	5030	once->cb = cb;
4702	once->arg = arg;	5031	once->arg = arg;
4703		5032
4704	ev_init (&once->io, once_cb_io);	5033	ev_init (&once->io, once_cb_io);
…		…
4717	}	5046	}
4718		5047
4719	/*****************************************************************************/	5048	/*****************************************************************************/
4720		5049
4721	#if EV_WALK_ENABLE	5050	#if EV_WALK_ENABLE
4722	void ecb_cold	5051	ecb_cold
		5052	void
4723	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5053	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4724	{	5054	{
4725	int i, j;	5055	int i, j;
4726	ev_watcher_list *wl, *wn;	5056	ev_watcher_list *wl, *wn;
4727		5057
4728	if (types & (EV_IO | EV_EMBED))	5058	if (types & (EV_IO | EV_EMBED))

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