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Comparing libev/ev.c (file contents):
Revision 1.456 by root, Thu Jul 4 22:32:23 2013 UTC vs.
Revision 1.492 by root, Sat Jun 22 16:25:53 2019 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS	113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
114	# endif	114	# endif
115	# else	115	# else
116	# undef EV_USE_EPOLL	116	# undef EV_USE_EPOLL
117	# define EV_USE_EPOLL 0	117	# define EV_USE_EPOLL 0
		118	# endif
		119
		120	# if HAVE_LINUX_AIO_ABI_H
		121	# ifndef EV_USE_LINUXAIO
		122	# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS
		123	# endif
		124	# else
		125	# undef EV_USE_LINUXAIO
		126	# define EV_USE_LINUXAIO 0
118	# endif	127	# endif
119		128
120	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	129	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121	# ifndef EV_USE_KQUEUE	130	# ifndef EV_USE_KQUEUE
122	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS	131	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
…		…
162	# define EV_USE_EVENTFD 0	171	# define EV_USE_EVENTFD 0
163	# endif	172	# endif
164		173
165	#endif	174	#endif
166		175
		176	/* OS X, in its infinite idiocy, actually HARDCODES
		177	* a limit of 1024 into their select. Where people have brains,
		178	* OS X engineers apparently have a vacuum. Or maybe they were
		179	* ordered to have a vacuum, or they do anything for money.
		180	* This might help. Or not.
		181	* Note that this must be defined early, as other include files
		182	* will rely on this define as well.
		183	*/
		184	#define _DARWIN_UNLIMITED_SELECT 1
		185
167	#include <stdlib.h>	186	#include <stdlib.h>
168	#include <string.h>	187	#include <string.h>
169	#include <fcntl.h>	188	#include <fcntl.h>
170	#include <stddef.h>	189	#include <stddef.h>
171		190
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	227	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	228	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	229	# endif
211	# undef EV_AVOID_STDIO	230	# undef EV_AVOID_STDIO
212	#endif	231	#endif
213
214	/* OS X, in its infinite idiocy, actually HARDCODES
215	* a limit of 1024 into their select. Where people have brains,
216	* OS X engineers apparently have a vacuum. Or maybe they were
217	* ordered to have a vacuum, or they do anything for money.
218	* This might help. Or not.
219	*/
220	#define _DARWIN_UNLIMITED_SELECT 1
221		232
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	233	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		234
224	/* try to deduce the maximum number of signals on this platform */	235	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	236	#if defined EV_NSIG
…		…
241	#elif defined SIGARRAYSIZE	252	#elif defined SIGARRAYSIZE
242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	253	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
243	#elif defined _sys_nsig	254	#elif defined _sys_nsig
244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	255	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
245	#else	256	#else
246	# error "unable to find value for NSIG, please report"	257	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
247	/* to make it compile regardless, just remove the above line, */
248	/* but consider reporting it, too! :) */
249	# define EV_NSIG 65
250	#endif	258	#endif
251		259
252	#ifndef EV_USE_FLOOR	260	#ifndef EV_USE_FLOOR
253	# define EV_USE_FLOOR 0	261	# define EV_USE_FLOOR 0
254	#endif	262	#endif
255		263
256	#ifndef EV_USE_CLOCK_SYSCALL	264	#ifndef EV_USE_CLOCK_SYSCALL
257	# if __linux && __GLIBC__ >= 2	265	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
258	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	266	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
259	# else	267	# else
260	# define EV_USE_CLOCK_SYSCALL 0	268	# define EV_USE_CLOCK_SYSCALL 0
		269	# endif
		270	#endif
		271
		272	#if !(_POSIX_TIMERS > 0)
		273	# ifndef EV_USE_MONOTONIC
		274	# define EV_USE_MONOTONIC 0
		275	# endif
		276	# ifndef EV_USE_REALTIME
		277	# define EV_USE_REALTIME 0
261	# endif	278	# endif
262	#endif	279	#endif
263		280
264	#ifndef EV_USE_MONOTONIC	281	#ifndef EV_USE_MONOTONIC
265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	282	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
…		…
307		324
308	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
309	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
310	#endif	327	#endif
311		328
		329	#ifndef EV_USE_LINUXAIO
		330	# if __linux /* libev currently assumes linux/aio_abi.h is always available on linux */
		331	# define EV_USE_LINUXAIO 1
		332	# else
		333	# define EV_USE_LINUXAIO 0
		334	# endif
		335	#endif
		336
312	#ifndef EV_USE_INOTIFY	337	#ifndef EV_USE_INOTIFY
313	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	338	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
314	# define EV_USE_INOTIFY EV_FEATURE_OS	339	# define EV_USE_INOTIFY EV_FEATURE_OS
315	# else	340	# else
316	# define EV_USE_INOTIFY 0	341	# define EV_USE_INOTIFY 0
…		…
357		382
358	#ifndef EV_HEAP_CACHE_AT	383	#ifndef EV_HEAP_CACHE_AT
359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	384	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
360	#endif	385	#endif
361		386
362	#ifdef ANDROID	387	#ifdef __ANDROID__
363	/* supposedly, android doesn't typedef fd_mask */	388	/* supposedly, android doesn't typedef fd_mask */
364	# undef EV_USE_SELECT	389	# undef EV_USE_SELECT
365	# define EV_USE_SELECT 0	390	# define EV_USE_SELECT 0
366	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	391	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
367	# undef EV_USE_CLOCK_SYSCALL	392	# undef EV_USE_CLOCK_SYSCALL
…		…
371	/* aix's poll.h seems to cause lots of trouble */	396	/* aix's poll.h seems to cause lots of trouble */
372	#ifdef _AIX	397	#ifdef _AIX
373	/* AIX has a completely broken poll.h header */	398	/* AIX has a completely broken poll.h header */
374	# undef EV_USE_POLL	399	# undef EV_USE_POLL
375	# define EV_USE_POLL 0	400	# define EV_USE_POLL 0
		401	#endif
		402
		403	#if EV_USE_LINUXAIO
		404	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
376	#endif	405	#endif
377		406
378	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	407	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
379	/* which makes programs even slower. might work on other unices, too. */	408	/* which makes programs even slower. might work on other unices, too. */
380	#if EV_USE_CLOCK_SYSCALL	409	#if EV_USE_CLOCK_SYSCALL
…		…
408		437
409	#if !EV_USE_NANOSLEEP	438	#if !EV_USE_NANOSLEEP
410	/* hp-ux has it in sys/time.h, which we unconditionally include above */	439	/* hp-ux has it in sys/time.h, which we unconditionally include above */
411	# if !defined _WIN32 && !defined __hpux	440	# if !defined _WIN32 && !defined __hpux
412	# include <sys/select.h>	441	# include <sys/select.h>
		442	# endif
		443	#endif
		444
		445	#if EV_USE_LINUXAIO
		446	# include <sys/syscall.h>
		447	# if !SYS_io_getevents
		448	# undef EV_USE_LINUXAIO
		449	# define EV_USE_LINUXAIO 0
413	# endif	450	# endif
414	#endif	451	#endif
415		452
416	#if EV_USE_INOTIFY	453	#if EV_USE_INOTIFY
417	# include <sys/statfs.h>	454	# include <sys/statfs.h>
…		…
485	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	522	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
486	/* ECB.H BEGIN */	523	/* ECB.H BEGIN */
487	/*	524	/*
488	* libecb - http://software.schmorp.de/pkg/libecb	525	* libecb - http://software.schmorp.de/pkg/libecb
489	*	526	*
490	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>	527	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
491	* Copyright (©) 2011 Emanuele Giaquinta	528	* Copyright (©) 2011 Emanuele Giaquinta
492	* All rights reserved.	529	* All rights reserved.
493	*	530	*
494	* Redistribution and use in source and binary forms, with or without modifica-	531	* Redistribution and use in source and binary forms, with or without modifica-
495	* tion, are permitted provided that the following conditions are met:	532	* tion, are permitted provided that the following conditions are met:
…		…
509	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	546	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
510	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	547	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
511	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	548	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
512	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED	549	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
513	* OF THE POSSIBILITY OF SUCH DAMAGE.	550	* OF THE POSSIBILITY OF SUCH DAMAGE.
		551	*
		552	* Alternatively, the contents of this file may be used under the terms of
		553	* the GNU General Public License ("GPL") version 2 or any later version,
		554	* in which case the provisions of the GPL are applicable instead of
		555	* the above. If you wish to allow the use of your version of this file
		556	* only under the terms of the GPL and not to allow others to use your
		557	* version of this file under the BSD license, indicate your decision
		558	* by deleting the provisions above and replace them with the notice
		559	* and other provisions required by the GPL. If you do not delete the
		560	* provisions above, a recipient may use your version of this file under
		561	* either the BSD or the GPL.
514	*/	562	*/
515		563
516	#ifndef ECB_H	564	#ifndef ECB_H
517	#define ECB_H	565	#define ECB_H
518		566
519	/* 16 bits major, 16 bits minor */	567	/* 16 bits major, 16 bits minor */
520	#define ECB_VERSION 0x00010003	568	#define ECB_VERSION 0x00010005
521		569
522	#ifdef _WIN32	570	#ifdef _WIN32
523	typedef signed char int8_t;	571	typedef signed char int8_t;
524	typedef unsigned char uint8_t;	572	typedef unsigned char uint8_t;
525	typedef signed short int16_t;	573	typedef signed short int16_t;
…		…
542	typedef uint32_t uintptr_t;	590	typedef uint32_t uintptr_t;
543	typedef int32_t intptr_t;	591	typedef int32_t intptr_t;
544	#endif	592	#endif
545	#else	593	#else
546	#include <inttypes.h>	594	#include <inttypes.h>
547	#if UINTMAX_MAX > 0xffffffffU	595	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
548	#define ECB_PTRSIZE 8	596	#define ECB_PTRSIZE 8
549	#else	597	#else
550	#define ECB_PTRSIZE 4	598	#define ECB_PTRSIZE 4
551	#endif	599	#endif
552	#endif	600	#endif
553		601
		602	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		603	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		604
554	/* work around x32 idiocy by defining proper macros */	605	/* work around x32 idiocy by defining proper macros */
555	#if __x86_64 || _M_AMD64	606	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
556	#if __ILP32	607	#if _ILP32
557	#define ECB_AMD64_X32 1	608	#define ECB_AMD64_X32 1
558	#else	609	#else
559	#define ECB_AMD64 1	610	#define ECB_AMD64 1
560	#endif	611	#endif
561	#endif	612	#endif
…		…
565	* causing enormous grief in return for some better fake benchmark numbers.	616	* causing enormous grief in return for some better fake benchmark numbers.
566	* or so.	617	* or so.
567	* we try to detect these and simply assume they are not gcc - if they have	618	* we try to detect these and simply assume they are not gcc - if they have
568	* an issue with that they should have done it right in the first place.	619	* an issue with that they should have done it right in the first place.
569	*/	620	*/
570	#ifndef ECB_GCC_VERSION
571	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	621	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
572	#define ECB_GCC_VERSION(major,minor) 0	622	#define ECB_GCC_VERSION(major,minor) 0
573	#else	623	#else
574	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	624	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
575	#endif	625	#endif
576	#endif
577		626
578	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */	627	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
579	#define ECB_C99 (__STDC_VERSION__ >= 199901L)	628
580	#define ECB_C11 (__STDC_VERSION__ >= 201112L)	629	#if __clang__ && defined __has_builtin
		630	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		631	#else
		632	#define ECB_CLANG_BUILTIN(x) 0
		633	#endif
		634
		635	#if __clang__ && defined __has_extension
		636	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		637	#else
		638	#define ECB_CLANG_EXTENSION(x) 0
		639	#endif
		640
581	#define ECB_CPP (__cplusplus+0)	641	#define ECB_CPP (__cplusplus+0)
582	#define ECB_CPP11 (__cplusplus >= 201103L)	642	#define ECB_CPP11 (__cplusplus >= 201103L)
		643	#define ECB_CPP14 (__cplusplus >= 201402L)
		644	#define ECB_CPP17 (__cplusplus >= 201703L)
		645
		646	#if ECB_CPP
		647	#define ECB_C 0
		648	#define ECB_STDC_VERSION 0
		649	#else
		650	#define ECB_C 1
		651	#define ECB_STDC_VERSION __STDC_VERSION__
		652	#endif
		653
		654	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		655	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		656	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
583		657
584	#if ECB_CPP	658	#if ECB_CPP
585	#define ECB_EXTERN_C extern "C"	659	#define ECB_EXTERN_C extern "C"
586	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	660	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
587	#define ECB_EXTERN_C_END }	661	#define ECB_EXTERN_C_END }
…		…
600	#define ECB_NO_SMP 1	674	#define ECB_NO_SMP 1
601	#endif	675	#endif
602		676
603	#if ECB_NO_SMP	677	#if ECB_NO_SMP
604	#define ECB_MEMORY_FENCE do { } while (0)	678	#define ECB_MEMORY_FENCE do { } while (0)
		679	#endif
		680
		681	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		682	#if __xlC__ && ECB_CPP
		683	#include <builtins.h>
		684	#endif
		685
		686	#if 1400 <= _MSC_VER
		687	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
605	#endif	688	#endif
606		689
607	#ifndef ECB_MEMORY_FENCE	690	#ifndef ECB_MEMORY_FENCE
608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	691	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
609	#if __i386 || __i386__	692	#if __i386 || __i386__
610	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	693	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
611	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	694	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
612	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	695	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
613	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	696	#elif ECB_GCC_AMD64
614	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	697	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
615	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	698	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
616	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	699	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
617	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	700	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	701	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		702	#elif defined __ARM_ARCH_2__ \
		703	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		704	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		705	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		706	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		707	|| defined __ARM_ARCH_5TEJ__
		708	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
619	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	709	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
620	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	710	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		711	|| defined __ARM_ARCH_6T2__
621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	712	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
622	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	713	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
623	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	714	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
624	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	715	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
625	#elif __sparc || __sparc__	716	#elif __aarch64__
		717	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		718	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	719	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	720	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	721	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
629	#elif defined __s390__ || defined __s390x__	722	#elif defined __s390__ || defined __s390x__
630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	723	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
631	#elif defined __mips__	724	#elif defined __mips__
632	/* GNU/Linux emulates sync on mips1 architectures, so we force it's use */	725	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
633	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */	726	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
634	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")	727	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
635	#elif defined __alpha__	728	#elif defined __alpha__
636	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")	729	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
637	#elif defined __hppa__	730	#elif defined __hppa__
638	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")	731	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
639	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	732	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
640	#elif defined __ia64__	733	#elif defined __ia64__
641	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")	734	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		735	#elif defined __m68k__
		736	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		737	#elif defined __m88k__
		738	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		739	#elif defined __sh__
		740	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
642	#endif	741	#endif
643	#endif	742	#endif
644	#endif	743	#endif
645		744
646	#ifndef ECB_MEMORY_FENCE	745	#ifndef ECB_MEMORY_FENCE
647	#if ECB_GCC_VERSION(4,7)	746	#if ECB_GCC_VERSION(4,7)
648	/* see comment below (stdatomic.h) about the C11 memory model. */	747	/* see comment below (stdatomic.h) about the C11 memory model. */
649	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	748	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		749	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		750	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
650		751
651	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	752	#elif ECB_CLANG_EXTENSION(c_atomic)
652	* without risking compile time errors with other compilers. We *could*
653	* define our own ecb_clang_has_feature, but I just can't be bothered to work
654	* around this shit time and again.
655	* #elif defined __clang && __has_feature (cxx_atomic)
656	* // see comment below (stdatomic.h) about the C11 memory model.	753	/* see comment below (stdatomic.h) about the C11 memory model. */
657	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	754	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
658	*/	755	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		756	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
659		757
660	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	758	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
661	#define ECB_MEMORY_FENCE __sync_synchronize ()	759	#define ECB_MEMORY_FENCE __sync_synchronize ()
		760	#elif _MSC_VER >= 1500 /* VC++ 2008 */
		761	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		762	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		763	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		764	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		765	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
662	#elif _MSC_VER >= 1400 /* VC++ 2005 */	766	#elif _MSC_VER >= 1400 /* VC++ 2005 */
663	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	767	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
664	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	768	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
665	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	769	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
666	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	770	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
…		…
686	/* any fence other than seq_cst, which isn't very efficient for us. */	790	/* any fence other than seq_cst, which isn't very efficient for us. */
687	/* Why that is, we don't know - either the C11 memory model is quite useless */	791	/* Why that is, we don't know - either the C11 memory model is quite useless */
688	/* for most usages, or gcc and clang have a bug */	792	/* for most usages, or gcc and clang have a bug */
689	/* I *currently* lean towards the latter, and inefficiently implement */	793	/* I *currently* lean towards the latter, and inefficiently implement */
690	/* all three of ecb's fences as a seq_cst fence */	794	/* all three of ecb's fences as a seq_cst fence */
		795	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
		796	/* for all __atomic_thread_fence's except seq_cst */
691	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	797	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
692	#endif	798	#endif
693	#endif	799	#endif
694		800
695	#ifndef ECB_MEMORY_FENCE	801	#ifndef ECB_MEMORY_FENCE
…		…
718	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	824	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
719	#endif	825	#endif
720		826
721	/*****************************************************************************/	827	/*****************************************************************************/
722		828
723	#if __cplusplus	829	#if ECB_CPP
724	#define ecb_inline static inline	830	#define ecb_inline static inline
725	#elif ECB_GCC_VERSION(2,5)	831	#elif ECB_GCC_VERSION(2,5)
726	#define ecb_inline static __inline__	832	#define ecb_inline static __inline__
727	#elif ECB_C99	833	#elif ECB_C99
728	#define ecb_inline static inline	834	#define ecb_inline static inline
…		…
742		848
743	#define ECB_CONCAT_(a, b) a ## b	849	#define ECB_CONCAT_(a, b) a ## b
744	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	850	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
745	#define ECB_STRINGIFY_(a) # a	851	#define ECB_STRINGIFY_(a) # a
746	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	852	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		853	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
747		854
748	#define ecb_function_ ecb_inline	855	#define ecb_function_ ecb_inline
749		856
750	#if ECB_GCC_VERSION(3,1)	857	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
751	#define ecb_attribute(attrlist) __attribute__(attrlist)	858	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		859	#else
		860	#define ecb_attribute(attrlist)
		861	#endif
		862
		863	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
752	#define ecb_is_constant(expr) __builtin_constant_p (expr)	864	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		865	#else
		866	/* possible C11 impl for integral types
		867	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
		868	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
		869
		870	#define ecb_is_constant(expr) 0
		871	#endif
		872
		873	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
753	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	874	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		875	#else
		876	#define ecb_expect(expr,value) (expr)
		877	#endif
		878
		879	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
754	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	880	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
755	#else	881	#else
756	#define ecb_attribute(attrlist)
757	#define ecb_is_constant(expr) 0
758	#define ecb_expect(expr,value) (expr)
759	#define ecb_prefetch(addr,rw,locality)	882	#define ecb_prefetch(addr,rw,locality)
760	#endif	883	#endif
761		884
762	/* no emulation for ecb_decltype */	885	/* no emulation for ecb_decltype */
763	#if ECB_GCC_VERSION(4,5)	886	#if ECB_CPP11
		887	// older implementations might have problems with decltype(x)::type, work around it
		888	template<class T> struct ecb_decltype_t { typedef T type; };
764	#define ecb_decltype(x) __decltype(x)	889	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
765	#elif ECB_GCC_VERSION(3,0)	890	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
766	#define ecb_decltype(x) __typeof(x)	891	#define ecb_decltype(x) __typeof__ (x)
767	#endif	892	#endif
768		893
		894	#if _MSC_VER >= 1300
		895	#define ecb_deprecated __declspec (deprecated)
		896	#else
		897	#define ecb_deprecated ecb_attribute ((__deprecated__))
		898	#endif
		899
		900	#if _MSC_VER >= 1500
		901	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		902	#elif ECB_GCC_VERSION(4,5)
		903	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		904	#else
		905	#define ecb_deprecated_message(msg) ecb_deprecated
		906	#endif
		907
		908	#if _MSC_VER >= 1400
		909	#define ecb_noinline __declspec (noinline)
		910	#else
769	#define ecb_noinline ecb_attribute ((__noinline__))	911	#define ecb_noinline ecb_attribute ((__noinline__))
		912	#endif
		913
770	#define ecb_unused ecb_attribute ((__unused__))	914	#define ecb_unused ecb_attribute ((__unused__))
771	#define ecb_const ecb_attribute ((__const__))	915	#define ecb_const ecb_attribute ((__const__))
772	#define ecb_pure ecb_attribute ((__pure__))	916	#define ecb_pure ecb_attribute ((__pure__))
773		917
774	#if ECB_C11	918	#if ECB_C11 || __IBMC_NORETURN
		919	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
775	#define ecb_noreturn _Noreturn	920	#define ecb_noreturn _Noreturn
		921	#elif ECB_CPP11
		922	#define ecb_noreturn [[noreturn]]
		923	#elif _MSC_VER >= 1200
		924	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		925	#define ecb_noreturn __declspec (noreturn)
776	#else	926	#else
777	#define ecb_noreturn ecb_attribute ((__noreturn__))	927	#define ecb_noreturn ecb_attribute ((__noreturn__))
778	#endif	928	#endif
779		929
780	#if ECB_GCC_VERSION(4,3)	930	#if ECB_GCC_VERSION(4,3)
…		…
795	/* for compatibility to the rest of the world */	945	/* for compatibility to the rest of the world */
796	#define ecb_likely(expr) ecb_expect_true (expr)	946	#define ecb_likely(expr) ecb_expect_true (expr)
797	#define ecb_unlikely(expr) ecb_expect_false (expr)	947	#define ecb_unlikely(expr) ecb_expect_false (expr)
798		948
799	/* count trailing zero bits and count # of one bits */	949	/* count trailing zero bits and count # of one bits */
800	#if ECB_GCC_VERSION(3,4)	950	#if ECB_GCC_VERSION(3,4) \
		951	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		952	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		953	&& ECB_CLANG_BUILTIN(__builtin_popcount))
801	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	954	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
802	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	955	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
803	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	956	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
804	#define ecb_ctz32(x) __builtin_ctz (x)	957	#define ecb_ctz32(x) __builtin_ctz (x)
805	#define ecb_ctz64(x) __builtin_ctzll (x)	958	#define ecb_ctz64(x) __builtin_ctzll (x)
806	#define ecb_popcount32(x) __builtin_popcount (x)	959	#define ecb_popcount32(x) __builtin_popcount (x)
807	/* no popcountll */	960	/* no popcountll */
808	#else	961	#else
809	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	962	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
810	ecb_function_ int	963	ecb_function_ ecb_const int
811	ecb_ctz32 (uint32_t x)	964	ecb_ctz32 (uint32_t x)
812	{	965	{
		966	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		967	unsigned long r;
		968	_BitScanForward (&r, x);
		969	return (int)r;
		970	#else
813	int r = 0;	971	int r = 0;
814		972
815	x &= ~x + 1; /* this isolates the lowest bit */	973	x &= ~x + 1; /* this isolates the lowest bit */
816		974
817	#if ECB_branchless_on_i386	975	#if ECB_branchless_on_i386
…		…
827	if (x & 0xff00ff00) r += 8;	985	if (x & 0xff00ff00) r += 8;
828	if (x & 0xffff0000) r += 16;	986	if (x & 0xffff0000) r += 16;
829	#endif	987	#endif
830		988
831	return r;	989	return r;
		990	#endif
832	}	991	}
833		992
834	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	993	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
835	ecb_function_ int	994	ecb_function_ ecb_const int
836	ecb_ctz64 (uint64_t x)	995	ecb_ctz64 (uint64_t x)
837	{	996	{
		997	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		998	unsigned long r;
		999	_BitScanForward64 (&r, x);
		1000	return (int)r;
		1001	#else
838	int shift = x & 0xffffffffU ? 0 : 32;	1002	int shift = x & 0xffffffff ? 0 : 32;
839	return ecb_ctz32 (x >> shift) + shift;	1003	return ecb_ctz32 (x >> shift) + shift;
		1004	#endif
840	}	1005	}
841		1006
842	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1007	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
843	ecb_function_ int	1008	ecb_function_ ecb_const int
844	ecb_popcount32 (uint32_t x)	1009	ecb_popcount32 (uint32_t x)
845	{	1010	{
846	x -= (x >> 1) & 0x55555555;	1011	x -= (x >> 1) & 0x55555555;
847	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1012	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
848	x = ((x >> 4) + x) & 0x0f0f0f0f;	1013	x = ((x >> 4) + x) & 0x0f0f0f0f;
849	x *= 0x01010101;	1014	x *= 0x01010101;
850		1015
851	return x >> 24;	1016	return x >> 24;
852	}	1017	}
853		1018
854	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1019	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
855	ecb_function_ int ecb_ld32 (uint32_t x)	1020	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
856	{	1021	{
		1022	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1023	unsigned long r;
		1024	_BitScanReverse (&r, x);
		1025	return (int)r;
		1026	#else
857	int r = 0;	1027	int r = 0;
858		1028
859	if (x >> 16) { x >>= 16; r += 16; }	1029	if (x >> 16) { x >>= 16; r += 16; }
860	if (x >> 8) { x >>= 8; r += 8; }	1030	if (x >> 8) { x >>= 8; r += 8; }
861	if (x >> 4) { x >>= 4; r += 4; }	1031	if (x >> 4) { x >>= 4; r += 4; }
862	if (x >> 2) { x >>= 2; r += 2; }	1032	if (x >> 2) { x >>= 2; r += 2; }
863	if (x >> 1) { r += 1; }	1033	if (x >> 1) { r += 1; }
864		1034
865	return r;	1035	return r;
		1036	#endif
866	}	1037	}
867		1038
868	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1039	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
869	ecb_function_ int ecb_ld64 (uint64_t x)	1040	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
870	{	1041	{
		1042	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1043	unsigned long r;
		1044	_BitScanReverse64 (&r, x);
		1045	return (int)r;
		1046	#else
871	int r = 0;	1047	int r = 0;
872		1048
873	if (x >> 32) { x >>= 32; r += 32; }	1049	if (x >> 32) { x >>= 32; r += 32; }
874		1050
875	return r + ecb_ld32 (x);	1051	return r + ecb_ld32 (x);
		1052	#endif
876	}	1053	}
877	#endif	1054	#endif
878		1055
879	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1056	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
880	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1057	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
881	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1058	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
882	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1059	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
883		1060
884	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1061	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
885	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1062	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
886	{	1063	{
887	return ( (x * 0x0802U & 0x22110U)	1064	return ( (x * 0x0802U & 0x22110U)
888	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1065	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
889	}	1066	}
890		1067
891	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1068	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
892	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1069	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
893	{	1070	{
894	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1071	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
895	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1072	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
896	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1073	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
897	x = ( x >> 8 ) | ( x << 8);	1074	x = ( x >> 8 ) | ( x << 8);
898		1075
899	return x;	1076	return x;
900	}	1077	}
901		1078
902	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1079	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
903	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1080	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
904	{	1081	{
905	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1082	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
906	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1083	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
907	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1084	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
908	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1085	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
911	return x;	1088	return x;
912	}	1089	}
913		1090
914	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1091	/* popcount64 is only available on 64 bit cpus as gcc builtin */
915	/* so for this version we are lazy */	1092	/* so for this version we are lazy */
916	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1093	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
917	ecb_function_ int	1094	ecb_function_ ecb_const int
918	ecb_popcount64 (uint64_t x)	1095	ecb_popcount64 (uint64_t x)
919	{	1096	{
920	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1097	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
921	}	1098	}
922		1099
923	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1100	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
924	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1101	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
925	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1102	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
926	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1103	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
927	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1104	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
928	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1105	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
929	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1106	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
930	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1107	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
931		1108
932	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1109	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
933	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1110	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
934	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1111	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
935	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1112	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
936	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1113	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
937	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1114	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
938	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1115	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
939	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1116	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
940		1117
941	#if ECB_GCC_VERSION(4,3)	1118	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1119	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1120	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1121	#else
942	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1122	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1123	#endif
943	#define ecb_bswap32(x) __builtin_bswap32 (x)	1124	#define ecb_bswap32(x) __builtin_bswap32 (x)
944	#define ecb_bswap64(x) __builtin_bswap64 (x)	1125	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1126	#elif _MSC_VER
		1127	#include <stdlib.h>
		1128	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1129	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1130	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
945	#else	1131	#else
946	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1132	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
947	ecb_function_ uint16_t	1133	ecb_function_ ecb_const uint16_t
948	ecb_bswap16 (uint16_t x)	1134	ecb_bswap16 (uint16_t x)
949	{	1135	{
950	return ecb_rotl16 (x, 8);	1136	return ecb_rotl16 (x, 8);
951	}	1137	}
952		1138
953	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1139	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
954	ecb_function_ uint32_t	1140	ecb_function_ ecb_const uint32_t
955	ecb_bswap32 (uint32_t x)	1141	ecb_bswap32 (uint32_t x)
956	{	1142	{
957	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1143	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
958	}	1144	}
959		1145
960	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1146	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
961	ecb_function_ uint64_t	1147	ecb_function_ ecb_const uint64_t
962	ecb_bswap64 (uint64_t x)	1148	ecb_bswap64 (uint64_t x)
963	{	1149	{
964	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1150	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
965	}	1151	}
966	#endif	1152	#endif
967		1153
968	#if ECB_GCC_VERSION(4,5)	1154	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
969	#define ecb_unreachable() __builtin_unreachable ()	1155	#define ecb_unreachable() __builtin_unreachable ()
970	#else	1156	#else
971	/* this seems to work fine, but gcc always emits a warning for it :/ */	1157	/* this seems to work fine, but gcc always emits a warning for it :/ */
972	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1158	ecb_inline ecb_noreturn void ecb_unreachable (void);
973	ecb_inline void ecb_unreachable (void) { }	1159	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
974	#endif	1160	#endif
975		1161
976	/* try to tell the compiler that some condition is definitely true */	1162	/* try to tell the compiler that some condition is definitely true */
977	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1163	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
978		1164
979	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1165	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
980	ecb_inline unsigned char	1166	ecb_inline ecb_const uint32_t
981	ecb_byteorder_helper (void)	1167	ecb_byteorder_helper (void)
982	{	1168	{
983	/* the union code still generates code under pressure in gcc, */	1169	/* the union code still generates code under pressure in gcc, */
984	/* but less than using pointers, and always seems to */	1170	/* but less than using pointers, and always seems to */
985	/* successfully return a constant. */	1171	/* successfully return a constant. */
986	/* the reason why we have this horrible preprocessor mess */	1172	/* the reason why we have this horrible preprocessor mess */
987	/* is to avoid it in all cases, at least on common architectures */	1173	/* is to avoid it in all cases, at least on common architectures */
988	/* or when using a recent enough gcc version (>= 4.6) */	1174	/* or when using a recent enough gcc version (>= 4.6) */
989	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
990	return 0x44;
991	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1175	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1176	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1177	#define ECB_LITTLE_ENDIAN 1
992	return 0x44;	1178	return 0x44332211;
993	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1179	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1180	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1181	#define ECB_BIG_ENDIAN 1
994	return 0x11;	1182	return 0x11223344;
995	#else	1183	#else
996	union	1184	union
997	{	1185	{
		1186	uint8_t c[4];
998	uint32_t i;	1187	uint32_t u;
999	uint8_t c;
1000	} u = { 0x11223344 };	1188	} u = { 0x11, 0x22, 0x33, 0x44 };
1001	return u.c;	1189	return u.u;
1002	#endif	1190	#endif
1003	}	1191	}
1004		1192
1005	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1193	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1006	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1194	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1007	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1195	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1008	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1196	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1009		1197
1010	#if ECB_GCC_VERSION(3,0) || ECB_C99	1198	#if ECB_GCC_VERSION(3,0) || ECB_C99
1011	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1199	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1012	#else	1200	#else
1013	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1201	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1014	#endif	1202	#endif
1015		1203
1016	#if __cplusplus	1204	#if ECB_CPP
1017	template<typename T>	1205	template<typename T>
1018	static inline T ecb_div_rd (T val, T div)	1206	static inline T ecb_div_rd (T val, T div)
1019	{	1207	{
1020	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1208	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1021	}	1209	}
…		…
1038	}	1226	}
1039	#else	1227	#else
1040	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1228	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1041	#endif	1229	#endif
1042		1230
		1231	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1232	ecb_function_ ecb_const uint32_t
		1233	ecb_binary16_to_binary32 (uint32_t x)
		1234	{
		1235	unsigned int s = (x & 0x8000) << (31 - 15);
		1236	int e = (x >> 10) & 0x001f;
		1237	unsigned int m = x & 0x03ff;
		1238
		1239	if (ecb_expect_false (e == 31))
		1240	/* infinity or NaN */
		1241	e = 255 - (127 - 15);
		1242	else if (ecb_expect_false (!e))
		1243	{
		1244	if (ecb_expect_true (!m))
		1245	/* zero, handled by code below by forcing e to 0 */
		1246	e = 0 - (127 - 15);
		1247	else
		1248	{
		1249	/* subnormal, renormalise */
		1250	unsigned int s = 10 - ecb_ld32 (m);
		1251
		1252	m = (m << s) & 0x3ff; /* mask implicit bit */
		1253	e -= s - 1;
		1254	}
		1255	}
		1256
		1257	/* e and m now are normalised, or zero, (or inf or nan) */
		1258	e += 127 - 15;
		1259
		1260	return s | (e << 23) | (m << (23 - 10));
		1261	}
		1262
		1263	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1264	ecb_function_ ecb_const uint16_t
		1265	ecb_binary32_to_binary16 (uint32_t x)
		1266	{
		1267	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1268	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1269	unsigned int m = x & 0x007fffff;
		1270
		1271	x &= 0x7fffffff;
		1272
		1273	/* if it's within range of binary16 normals, use fast path */
		1274	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1275	{
		1276	/* mantissa round-to-even */
		1277	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1278
		1279	/* handle overflow */
		1280	if (ecb_expect_false (m >= 0x00800000))
		1281	{
		1282	m >>= 1;
		1283	e += 1;
		1284	}
		1285
		1286	return s | (e << 10) | (m >> (23 - 10));
		1287	}
		1288
		1289	/* handle large numbers and infinity */
		1290	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1291	return s | 0x7c00;
		1292
		1293	/* handle zero, subnormals and small numbers */
		1294	if (ecb_expect_true (x < 0x38800000))
		1295	{
		1296	/* zero */
		1297	if (ecb_expect_true (!x))
		1298	return s;
		1299
		1300	/* handle subnormals */
		1301
		1302	/* too small, will be zero */
		1303	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1304	return s;
		1305
		1306	m |= 0x00800000; /* make implicit bit explicit */
		1307
		1308	/* very tricky - we need to round to the nearest e (+10) bit value */
		1309	{
		1310	unsigned int bits = 14 - e;
		1311	unsigned int half = (1 << (bits - 1)) - 1;
		1312	unsigned int even = (m >> bits) & 1;
		1313
		1314	/* if this overflows, we will end up with a normalised number */
		1315	m = (m + half + even) >> bits;
		1316	}
		1317
		1318	return s | m;
		1319	}
		1320
		1321	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1322	m >>= 13;
		1323
		1324	return s | 0x7c00 | m | !m;
		1325	}
		1326
1043	/*******************************************************************************/	1327	/*******************************************************************************/
1044	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1328	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1045		1329
1046	/* basically, everything uses "ieee pure-endian" floating point numbers */	1330	/* basically, everything uses "ieee pure-endian" floating point numbers */
1047	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1331	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1048	#if 0 \	1332	#if 0 \
1049	|| __i386 || __i386__ \	1333	|| __i386 || __i386__ \
1050	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1334	|| ECB_GCC_AMD64 \
1051	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1335	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1052	|| defined __arm__ && defined __ARM_EABI__ \
1053	|| defined __s390__ || defined __s390x__ \	1336	|| defined __s390__ || defined __s390x__ \
1054	|| defined __mips__ \	1337	|| defined __mips__ \
1055	|| defined __alpha__ \	1338	|| defined __alpha__ \
1056	|| defined __hppa__ \	1339	|| defined __hppa__ \
1057	|| defined __ia64__ \	1340	|| defined __ia64__ \
		1341	|| defined __m68k__ \
		1342	|| defined __m88k__ \
		1343	|| defined __sh__ \
1058	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64	1344	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
		1345	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1346	|| defined __aarch64__
1059	#define ECB_STDFP 1	1347	#define ECB_STDFP 1
1060	#include <string.h> /* for memcpy */	1348	#include <string.h> /* for memcpy */
1061	#else	1349	#else
1062	#define ECB_STDFP 0	1350	#define ECB_STDFP 0
1063	#include <math.h> /* for frexp*, ldexp* */
1064	#endif	1351	#endif
1065		1352
1066	#ifndef ECB_NO_LIBM	1353	#ifndef ECB_NO_LIBM
1067		1354
		1355	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1356
		1357	/* only the oldest of old doesn't have this one. solaris. */
		1358	#ifdef INFINITY
		1359	#define ECB_INFINITY INFINITY
		1360	#else
		1361	#define ECB_INFINITY HUGE_VAL
		1362	#endif
		1363
		1364	#ifdef NAN
		1365	#define ECB_NAN NAN
		1366	#else
		1367	#define ECB_NAN ECB_INFINITY
		1368	#endif
		1369
		1370	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
		1371	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
		1372	#define ecb_frexpf(x,e) frexpf ((x), (e))
		1373	#else
		1374	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
		1375	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
		1376	#endif
		1377
1068	/* convert a float to ieee single/binary32 */	1378	/* convert a float to ieee single/binary32 */
1069	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1379	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1070	ecb_function_ uint32_t	1380	ecb_function_ ecb_const uint32_t
1071	ecb_float_to_binary32 (float x)	1381	ecb_float_to_binary32 (float x)
1072	{	1382	{
1073	uint32_t r;	1383	uint32_t r;
1074		1384
1075	#if ECB_STDFP	1385	#if ECB_STDFP
…		…
1082	if (x == 0e0f ) return 0x00000000U;	1392	if (x == 0e0f ) return 0x00000000U;
1083	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1393	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1084	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1394	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1085	if (x != x ) return 0x7fbfffffU;	1395	if (x != x ) return 0x7fbfffffU;
1086		1396
1087	m = frexpf (x, &e) * 0x1000000U;	1397	m = ecb_frexpf (x, &e) * 0x1000000U;
1088		1398
1089	r = m & 0x80000000U;	1399	r = m & 0x80000000U;
1090		1400
1091	if (r)	1401	if (r)
1092	m = -m;	1402	m = -m;
…		…
1104		1414
1105	return r;	1415	return r;
1106	}	1416	}
1107		1417
1108	/* converts an ieee single/binary32 to a float */	1418	/* converts an ieee single/binary32 to a float */
1109	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1419	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1110	ecb_function_ float	1420	ecb_function_ ecb_const float
1111	ecb_binary32_to_float (uint32_t x)	1421	ecb_binary32_to_float (uint32_t x)
1112	{	1422	{
1113	float r;	1423	float r;
1114		1424
1115	#if ECB_STDFP	1425	#if ECB_STDFP
…		…
1125	x |= 0x800000U;	1435	x |= 0x800000U;
1126	else	1436	else
1127	e = 1;	1437	e = 1;
1128		1438
1129	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1439	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1130	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1440	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1131		1441
1132	r = neg ? -r : r;	1442	r = neg ? -r : r;
1133	#endif	1443	#endif
1134		1444
1135	return r;	1445	return r;
1136	}	1446	}
1137		1447
1138	/* convert a double to ieee double/binary64 */	1448	/* convert a double to ieee double/binary64 */
1139	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1449	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1140	ecb_function_ uint64_t	1450	ecb_function_ ecb_const uint64_t
1141	ecb_double_to_binary64 (double x)	1451	ecb_double_to_binary64 (double x)
1142	{	1452	{
1143	uint64_t r;	1453	uint64_t r;
1144		1454
1145	#if ECB_STDFP	1455	#if ECB_STDFP
…		…
1174		1484
1175	return r;	1485	return r;
1176	}	1486	}
1177		1487
1178	/* converts an ieee double/binary64 to a double */	1488	/* converts an ieee double/binary64 to a double */
1179	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1489	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1180	ecb_function_ double	1490	ecb_function_ ecb_const double
1181	ecb_binary64_to_double (uint64_t x)	1491	ecb_binary64_to_double (uint64_t x)
1182	{	1492	{
1183	double r;	1493	double r;
1184		1494
1185	#if ECB_STDFP	1495	#if ECB_STDFP
…		…
1201		1511
1202	r = neg ? -r : r;	1512	r = neg ? -r : r;
1203	#endif	1513	#endif
1204		1514
1205	return r;	1515	return r;
		1516	}
		1517
		1518	/* convert a float to ieee half/binary16 */
		1519	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1520	ecb_function_ ecb_const uint16_t
		1521	ecb_float_to_binary16 (float x)
		1522	{
		1523	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1524	}
		1525
		1526	/* convert an ieee half/binary16 to float */
		1527	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1528	ecb_function_ ecb_const float
		1529	ecb_binary16_to_float (uint16_t x)
		1530	{
		1531	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1206	}	1532	}
1207		1533
1208	#endif	1534	#endif
1209		1535
1210	#endif	1536	#endif
…		…
1235	#define inline_size ecb_inline	1561	#define inline_size ecb_inline
1236		1562
1237	#if EV_FEATURE_CODE	1563	#if EV_FEATURE_CODE
1238	# define inline_speed ecb_inline	1564	# define inline_speed ecb_inline
1239	#else	1565	#else
1240	# define inline_speed static noinline	1566	# define inline_speed noinline static
1241	#endif	1567	#endif
1242		1568
1243	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1569	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1244		1570
1245	#if EV_MINPRI == EV_MAXPRI	1571	#if EV_MINPRI == EV_MAXPRI
1246	# define ABSPRI(w) (((W)w), 0)	1572	# define ABSPRI(w) (((W)w), 0)
1247	#else	1573	#else
1248	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1574	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1249	#endif	1575	#endif
1250		1576
1251	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1577	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1252	#define EMPTY2(a,b) /* used to suppress some warnings */
1253		1578
1254	typedef ev_watcher *W;	1579	typedef ev_watcher *W;
1255	typedef ev_watcher_list *WL;	1580	typedef ev_watcher_list *WL;
1256	typedef ev_watcher_time *WT;	1581	typedef ev_watcher_time *WT;
1257		1582
…		…
1292	#else	1617	#else
1293		1618
1294	#include <float.h>	1619	#include <float.h>
1295		1620
1296	/* a floor() replacement function, should be independent of ev_tstamp type */	1621	/* a floor() replacement function, should be independent of ev_tstamp type */
		1622	noinline
1297	static ev_tstamp noinline	1623	static ev_tstamp
1298	ev_floor (ev_tstamp v)	1624	ev_floor (ev_tstamp v)
1299	{	1625	{
1300	/* the choice of shift factor is not terribly important */	1626	/* the choice of shift factor is not terribly important */
1301	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1627	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1302	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1628	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1334		1660
1335	#ifdef __linux	1661	#ifdef __linux
1336	# include <sys/utsname.h>	1662	# include <sys/utsname.h>
1337	#endif	1663	#endif
1338		1664
1339	static unsigned int noinline ecb_cold	1665	noinline ecb_cold
		1666	static unsigned int
1340	ev_linux_version (void)	1667	ev_linux_version (void)
1341	{	1668	{
1342	#ifdef __linux	1669	#ifdef __linux
1343	unsigned int v = 0;	1670	unsigned int v = 0;
1344	struct utsname buf;	1671	struct utsname buf;
…		…
1373	}	1700	}
1374		1701
1375	/*****************************************************************************/	1702	/*****************************************************************************/
1376		1703
1377	#if EV_AVOID_STDIO	1704	#if EV_AVOID_STDIO
1378	static void noinline ecb_cold	1705	noinline ecb_cold
		1706	static void
1379	ev_printerr (const char *msg)	1707	ev_printerr (const char *msg)
1380	{	1708	{
1381	write (STDERR_FILENO, msg, strlen (msg));	1709	write (STDERR_FILENO, msg, strlen (msg));
1382	}	1710	}
1383	#endif	1711	#endif
1384		1712
1385	static void (*syserr_cb)(const char *msg) EV_THROW;	1713	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1386		1714
1387	void ecb_cold	1715	ecb_cold
		1716	void
1388	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1717	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1389	{	1718	{
1390	syserr_cb = cb;	1719	syserr_cb = cb;
1391	}	1720	}
1392		1721
1393	static void noinline ecb_cold	1722	noinline ecb_cold
		1723	static void
1394	ev_syserr (const char *msg)	1724	ev_syserr (const char *msg)
1395	{	1725	{
1396	if (!msg)	1726	if (!msg)
1397	msg = "(libev) system error";	1727	msg = "(libev) system error";
1398		1728
…		…
1411	abort ();	1741	abort ();
1412	}	1742	}
1413	}	1743	}
1414		1744
1415	static void *	1745	static void *
1416	ev_realloc_emul (void *ptr, long size) EV_THROW	1746	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1417	{	1747	{
1418	/* some systems, notably openbsd and darwin, fail to properly	1748	/* some systems, notably openbsd and darwin, fail to properly
1419	* implement realloc (x, 0) (as required by both ansi c-89 and	1749	* implement realloc (x, 0) (as required by both ansi c-89 and
1420	* the single unix specification, so work around them here.	1750	* the single unix specification, so work around them here.
1421	* recently, also (at least) fedora and debian started breaking it,	1751	* recently, also (at least) fedora and debian started breaking it,
…		…
1427		1757
1428	free (ptr);	1758	free (ptr);
1429	return 0;	1759	return 0;
1430	}	1760	}
1431		1761
1432	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1762	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1433		1763
1434	void ecb_cold	1764	ecb_cold
		1765	void
1435	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1766	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1436	{	1767	{
1437	alloc = cb;	1768	alloc = cb;
1438	}	1769	}
1439		1770
1440	inline_speed void *	1771	inline_speed void *
…		…
1467	typedef struct	1798	typedef struct
1468	{	1799	{
1469	WL head;	1800	WL head;
1470	unsigned char events; /* the events watched for */	1801	unsigned char events; /* the events watched for */
1471	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1802	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1472	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1803	unsigned char emask; /* some backends store the actual kernel mask in here */
1473	unsigned char unused;	1804	unsigned char unused;
1474	#if EV_USE_EPOLL	1805	#if EV_USE_EPOLL
1475	unsigned int egen; /* generation counter to counter epoll bugs */	1806	unsigned int egen; /* generation counter to counter epoll bugs */
1476	#endif	1807	#endif
1477	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1808	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1557		1888
1558	/*****************************************************************************/	1889	/*****************************************************************************/
1559		1890
1560	#ifndef EV_HAVE_EV_TIME	1891	#ifndef EV_HAVE_EV_TIME
1561	ev_tstamp	1892	ev_tstamp
1562	ev_time (void) EV_THROW	1893	ev_time (void) EV_NOEXCEPT
1563	{	1894	{
1564	#if EV_USE_REALTIME	1895	#if EV_USE_REALTIME
1565	if (expect_true (have_realtime))	1896	if (expect_true (have_realtime))
1566	{	1897	{
1567	struct timespec ts;	1898	struct timespec ts;
…		…
1591	return ev_time ();	1922	return ev_time ();
1592	}	1923	}
1593		1924
1594	#if EV_MULTIPLICITY	1925	#if EV_MULTIPLICITY
1595	ev_tstamp	1926	ev_tstamp
1596	ev_now (EV_P) EV_THROW	1927	ev_now (EV_P) EV_NOEXCEPT
1597	{	1928	{
1598	return ev_rt_now;	1929	return ev_rt_now;
1599	}	1930	}
1600	#endif	1931	#endif
1601		1932
1602	void	1933	void
1603	ev_sleep (ev_tstamp delay) EV_THROW	1934	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1604	{	1935	{
1605	if (delay > 0.)	1936	if (delay > 0.)
1606	{	1937	{
1607	#if EV_USE_NANOSLEEP	1938	#if EV_USE_NANOSLEEP
1608	struct timespec ts;	1939	struct timespec ts;
1609		1940
1610	EV_TS_SET (ts, delay);	1941	EV_TS_SET (ts, delay);
1611	nanosleep (&ts, 0);	1942	nanosleep (&ts, 0);
1612	#elif defined _WIN32	1943	#elif defined _WIN32
		1944	/* maybe this should round up, as ms is very low resolution */
		1945	/* compared to select (µs) or nanosleep (ns) */
1613	Sleep ((unsigned long)(delay * 1e3));	1946	Sleep ((unsigned long)(delay * 1e3));
1614	#else	1947	#else
1615	struct timeval tv;	1948	struct timeval tv;
1616		1949
1617	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1950	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1648	}	1981	}
1649		1982
1650	return ncur;	1983	return ncur;
1651	}	1984	}
1652		1985
1653	static void * noinline ecb_cold	1986	noinline ecb_cold
		1987	static void *
1654	array_realloc (int elem, void *base, int *cur, int cnt)	1988	array_realloc (int elem, void *base, int *cur, int cnt)
1655	{	1989	{
1656	*cur = array_nextsize (elem, *cur, cnt);	1990	*cur = array_nextsize (elem, *cur, cnt);
1657	return ev_realloc (base, elem * *cur);	1991	return ev_realloc (base, elem * *cur);
1658	}	1992	}
1659		1993
		1994	#define array_needsize_noinit(base,count)
		1995
1660	#define array_init_zero(base,count) \	1996	#define array_needsize_zerofill(base,count) \
1661	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1997	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1662		1998
1663	#define array_needsize(type,base,cur,cnt,init) \	1999	#define array_needsize(type,base,cur,cnt,init) \
1664	if (expect_false ((cnt) > (cur))) \	2000	if (expect_false ((cnt) > (cur))) \
1665	{ \	2001	{ \
1666	int ecb_unused ocur_ = (cur); \	2002	ecb_unused int ocur_ = (cur); \
1667	(base) = (type *)array_realloc \	2003	(base) = (type *)array_realloc \
1668	(sizeof (type), (base), &(cur), (cnt)); \	2004	(sizeof (type), (base), &(cur), (cnt)); \
1669	init ((base) + (ocur_), (cur) - ocur_); \	2005	init ((base) + (ocur_), (cur) - ocur_); \
1670	}	2006	}
1671		2007
…		…
1683	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2019	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1684		2020
1685	/*****************************************************************************/	2021	/*****************************************************************************/
1686		2022
1687	/* dummy callback for pending events */	2023	/* dummy callback for pending events */
1688	static void noinline	2024	noinline
		2025	static void
1689	pendingcb (EV_P_ ev_prepare *w, int revents)	2026	pendingcb (EV_P_ ev_prepare *w, int revents)
1690	{	2027	{
1691	}	2028	}
1692		2029
1693	void noinline	2030	noinline
		2031	void
1694	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2032	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1695	{	2033	{
1696	W w_ = (W)w;	2034	W w_ = (W)w;
1697	int pri = ABSPRI (w_);	2035	int pri = ABSPRI (w_);
1698		2036
1699	if (expect_false (w_->pending))	2037	if (expect_false (w_->pending))
1700	pendings [pri][w_->pending - 1].events |= revents;	2038	pendings [pri][w_->pending - 1].events |= revents;
1701	else	2039	else
1702	{	2040	{
1703	w_->pending = ++pendingcnt [pri];	2041	w_->pending = ++pendingcnt [pri];
1704	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2042	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1705	pendings [pri][w_->pending - 1].w = w_;	2043	pendings [pri][w_->pending - 1].w = w_;
1706	pendings [pri][w_->pending - 1].events = revents;	2044	pendings [pri][w_->pending - 1].events = revents;
1707	}	2045	}
1708		2046
1709	pendingpri = NUMPRI - 1;	2047	pendingpri = NUMPRI - 1;
1710	}	2048	}
1711		2049
1712	inline_speed void	2050	inline_speed void
1713	feed_reverse (EV_P_ W w)	2051	feed_reverse (EV_P_ W w)
1714	{	2052	{
1715	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2053	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1716	rfeeds [rfeedcnt++] = w;	2054	rfeeds [rfeedcnt++] = w;
1717	}	2055	}
1718		2056
1719	inline_size void	2057	inline_size void
1720	feed_reverse_done (EV_P_ int revents)	2058	feed_reverse_done (EV_P_ int revents)
…		…
1760	if (expect_true (!anfd->reify))	2098	if (expect_true (!anfd->reify))
1761	fd_event_nocheck (EV_A_ fd, revents);	2099	fd_event_nocheck (EV_A_ fd, revents);
1762	}	2100	}
1763		2101
1764	void	2102	void
1765	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2103	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1766	{	2104	{
1767	if (fd >= 0 && fd < anfdmax)	2105	if (fd >= 0 && fd < anfdmax)
1768	fd_event_nocheck (EV_A_ fd, revents);	2106	fd_event_nocheck (EV_A_ fd, revents);
1769	}	2107	}
1770		2108
…		…
1828		2166
1829	fdchangecnt = 0;	2167	fdchangecnt = 0;
1830	}	2168	}
1831		2169
1832	/* something about the given fd changed */	2170	/* something about the given fd changed */
1833	inline_size void	2171	inline_size
		2172	void
1834	fd_change (EV_P_ int fd, int flags)	2173	fd_change (EV_P_ int fd, int flags)
1835	{	2174	{
1836	unsigned char reify = anfds [fd].reify;	2175	unsigned char reify = anfds [fd].reify;
1837	anfds [fd].reify |= flags;	2176	anfds [fd].reify |= flags;
1838		2177
1839	if (expect_true (!reify))	2178	if (expect_true (!reify))
1840	{	2179	{
1841	++fdchangecnt;	2180	++fdchangecnt;
1842	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2181	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1843	fdchanges [fdchangecnt - 1] = fd;	2182	fdchanges [fdchangecnt - 1] = fd;
1844	}	2183	}
1845	}	2184	}
1846		2185
1847	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2186	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1848	inline_speed void ecb_cold	2187	inline_speed ecb_cold void
1849	fd_kill (EV_P_ int fd)	2188	fd_kill (EV_P_ int fd)
1850	{	2189	{
1851	ev_io *w;	2190	ev_io *w;
1852		2191
1853	while ((w = (ev_io *)anfds [fd].head))	2192	while ((w = (ev_io *)anfds [fd].head))
…		…
1856	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2195	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1857	}	2196	}
1858	}	2197	}
1859		2198
1860	/* check whether the given fd is actually valid, for error recovery */	2199	/* check whether the given fd is actually valid, for error recovery */
1861	inline_size int ecb_cold	2200	inline_size ecb_cold int
1862	fd_valid (int fd)	2201	fd_valid (int fd)
1863	{	2202	{
1864	#ifdef _WIN32	2203	#ifdef _WIN32
1865	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2204	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1866	#else	2205	#else
1867	return fcntl (fd, F_GETFD) != -1;	2206	return fcntl (fd, F_GETFD) != -1;
1868	#endif	2207	#endif
1869	}	2208	}
1870		2209
1871	/* called on EBADF to verify fds */	2210	/* called on EBADF to verify fds */
1872	static void noinline ecb_cold	2211	noinline ecb_cold
		2212	static void
1873	fd_ebadf (EV_P)	2213	fd_ebadf (EV_P)
1874	{	2214	{
1875	int fd;	2215	int fd;
1876		2216
1877	for (fd = 0; fd < anfdmax; ++fd)	2217	for (fd = 0; fd < anfdmax; ++fd)
…		…
1879	if (!fd_valid (fd) && errno == EBADF)	2219	if (!fd_valid (fd) && errno == EBADF)
1880	fd_kill (EV_A_ fd);	2220	fd_kill (EV_A_ fd);
1881	}	2221	}
1882		2222
1883	/* called on ENOMEM in select/poll to kill some fds and retry */	2223	/* called on ENOMEM in select/poll to kill some fds and retry */
1884	static void noinline ecb_cold	2224	noinline ecb_cold
		2225	static void
1885	fd_enomem (EV_P)	2226	fd_enomem (EV_P)
1886	{	2227	{
1887	int fd;	2228	int fd;
1888		2229
1889	for (fd = anfdmax; fd--; )	2230	for (fd = anfdmax; fd--; )
…		…
1893	break;	2234	break;
1894	}	2235	}
1895	}	2236	}
1896		2237
1897	/* usually called after fork if backend needs to re-arm all fds from scratch */	2238	/* usually called after fork if backend needs to re-arm all fds from scratch */
1898	static void noinline	2239	noinline
		2240	static void
1899	fd_rearm_all (EV_P)	2241	fd_rearm_all (EV_P)
1900	{	2242	{
1901	int fd;	2243	int fd;
1902		2244
1903	for (fd = 0; fd < anfdmax; ++fd)	2245	for (fd = 0; fd < anfdmax; ++fd)
…		…
2084		2426
2085	/*****************************************************************************/	2427	/*****************************************************************************/
2086		2428
2087	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2429	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2088		2430
2089	static void noinline ecb_cold	2431	noinline ecb_cold
		2432	static void
2090	evpipe_init (EV_P)	2433	evpipe_init (EV_P)
2091	{	2434	{
2092	if (!ev_is_active (&pipe_w))	2435	if (!ev_is_active (&pipe_w))
2093	{	2436	{
2094	int fds [2];	2437	int fds [2];
…		…
2165	#endif	2508	#endif
2166	{	2509	{
2167	#ifdef _WIN32	2510	#ifdef _WIN32
2168	WSABUF buf;	2511	WSABUF buf;
2169	DWORD sent;	2512	DWORD sent;
2170	buf.buf = &buf;	2513	buf.buf = (char *)&buf;
2171	buf.len = 1;	2514	buf.len = 1;
2172	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2515	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2173	#else	2516	#else
2174	write (evpipe [1], &(evpipe [1]), 1);	2517	write (evpipe [1], &(evpipe [1]), 1);
2175	#endif	2518	#endif
…		…
2247	}	2590	}
2248		2591
2249	/*****************************************************************************/	2592	/*****************************************************************************/
2250		2593
2251	void	2594	void
2252	ev_feed_signal (int signum) EV_THROW	2595	ev_feed_signal (int signum) EV_NOEXCEPT
2253	{	2596	{
2254	#if EV_MULTIPLICITY	2597	#if EV_MULTIPLICITY
2255	EV_P;	2598	EV_P;
2256	ECB_MEMORY_FENCE_ACQUIRE;	2599	ECB_MEMORY_FENCE_ACQUIRE;
2257	EV_A = signals [signum - 1].loop;	2600	EV_A = signals [signum - 1].loop;
…		…
2272	#endif	2615	#endif
2273		2616
2274	ev_feed_signal (signum);	2617	ev_feed_signal (signum);
2275	}	2618	}
2276		2619
2277	void noinline	2620	noinline
		2621	void
2278	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2622	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2279	{	2623	{
2280	WL w;	2624	WL w;
2281		2625
2282	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2626	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2283	return;	2627	return;
…		…
2389	# include "ev_port.c"	2733	# include "ev_port.c"
2390	#endif	2734	#endif
2391	#if EV_USE_KQUEUE	2735	#if EV_USE_KQUEUE
2392	# include "ev_kqueue.c"	2736	# include "ev_kqueue.c"
2393	#endif	2737	#endif
		2738	#if EV_USE_LINUXAIO
		2739	# include "ev_linuxaio.c"
		2740	#endif
2394	#if EV_USE_EPOLL	2741	#if EV_USE_EPOLL
2395	# include "ev_epoll.c"	2742	# include "ev_epoll.c"
2396	#endif	2743	#endif
2397	#if EV_USE_POLL	2744	#if EV_USE_POLL
2398	# include "ev_poll.c"	2745	# include "ev_poll.c"
2399	#endif	2746	#endif
2400	#if EV_USE_SELECT	2747	#if EV_USE_SELECT
2401	# include "ev_select.c"	2748	# include "ev_select.c"
2402	#endif	2749	#endif
2403		2750
2404	int ecb_cold	2751	ecb_cold int
2405	ev_version_major (void) EV_THROW	2752	ev_version_major (void) EV_NOEXCEPT
2406	{	2753	{
2407	return EV_VERSION_MAJOR;	2754	return EV_VERSION_MAJOR;
2408	}	2755	}
2409		2756
2410	int ecb_cold	2757	ecb_cold int
2411	ev_version_minor (void) EV_THROW	2758	ev_version_minor (void) EV_NOEXCEPT
2412	{	2759	{
2413	return EV_VERSION_MINOR;	2760	return EV_VERSION_MINOR;
2414	}	2761	}
2415		2762
2416	/* return true if we are running with elevated privileges and should ignore env variables */	2763	/* return true if we are running with elevated privileges and should ignore env variables */
2417	int inline_size ecb_cold	2764	inline_size ecb_cold int
2418	enable_secure (void)	2765	enable_secure (void)
2419	{	2766	{
2420	#ifdef _WIN32	2767	#ifdef _WIN32
2421	return 0;	2768	return 0;
2422	#else	2769	#else
2423	return getuid () != geteuid ()	2770	return getuid () != geteuid ()
2424	|| getgid () != getegid ();	2771	|| getgid () != getegid ();
2425	#endif	2772	#endif
2426	}	2773	}
2427		2774
2428	unsigned int ecb_cold	2775	ecb_cold
		2776	unsigned int
2429	ev_supported_backends (void) EV_THROW	2777	ev_supported_backends (void) EV_NOEXCEPT
2430	{	2778	{
2431	unsigned int flags = 0;	2779	unsigned int flags = 0;
2432		2780
2433	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2781	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2434	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2782	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2435	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2783	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2784	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2436	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2785	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2437	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2786	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2438		2787
2439	return flags;	2788	return flags;
2440	}	2789	}
2441		2790
2442	unsigned int ecb_cold	2791	ecb_cold
		2792	unsigned int
2443	ev_recommended_backends (void) EV_THROW	2793	ev_recommended_backends (void) EV_NOEXCEPT
2444	{	2794	{
2445	unsigned int flags = ev_supported_backends ();	2795	unsigned int flags = ev_supported_backends ();
2446		2796
2447	#ifndef __NetBSD__	2797	#ifndef __NetBSD__
2448	/* kqueue is borked on everything but netbsd apparently */	2798	/* kqueue is borked on everything but netbsd apparently */
…		…
2456	#endif	2806	#endif
2457	#ifdef __FreeBSD__	2807	#ifdef __FreeBSD__
2458	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2808	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2459	#endif	2809	#endif
2460		2810
		2811	/* TODO: linuxaio is very experimental */
		2812	flags &= ~EVBACKEND_LINUXAIO;
		2813
2461	return flags;	2814	return flags;
2462	}	2815	}
2463		2816
2464	unsigned int ecb_cold	2817	ecb_cold
		2818	unsigned int
2465	ev_embeddable_backends (void) EV_THROW	2819	ev_embeddable_backends (void) EV_NOEXCEPT
2466	{	2820	{
2467	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2821	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2468		2822
2469	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2823	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2470	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2824	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2472		2826
2473	return flags;	2827	return flags;
2474	}	2828	}
2475		2829
2476	unsigned int	2830	unsigned int
2477	ev_backend (EV_P) EV_THROW	2831	ev_backend (EV_P) EV_NOEXCEPT
2478	{	2832	{
2479	return backend;	2833	return backend;
2480	}	2834	}
2481		2835
2482	#if EV_FEATURE_API	2836	#if EV_FEATURE_API
2483	unsigned int	2837	unsigned int
2484	ev_iteration (EV_P) EV_THROW	2838	ev_iteration (EV_P) EV_NOEXCEPT
2485	{	2839	{
2486	return loop_count;	2840	return loop_count;
2487	}	2841	}
2488		2842
2489	unsigned int	2843	unsigned int
2490	ev_depth (EV_P) EV_THROW	2844	ev_depth (EV_P) EV_NOEXCEPT
2491	{	2845	{
2492	return loop_depth;	2846	return loop_depth;
2493	}	2847	}
2494		2848
2495	void	2849	void
2496	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2850	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2497	{	2851	{
2498	io_blocktime = interval;	2852	io_blocktime = interval;
2499	}	2853	}
2500		2854
2501	void	2855	void
2502	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2856	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2503	{	2857	{
2504	timeout_blocktime = interval;	2858	timeout_blocktime = interval;
2505	}	2859	}
2506		2860
2507	void	2861	void
2508	ev_set_userdata (EV_P_ void *data) EV_THROW	2862	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2509	{	2863	{
2510	userdata = data;	2864	userdata = data;
2511	}	2865	}
2512		2866
2513	void *	2867	void *
2514	ev_userdata (EV_P) EV_THROW	2868	ev_userdata (EV_P) EV_NOEXCEPT
2515	{	2869	{
2516	return userdata;	2870	return userdata;
2517	}	2871	}
2518		2872
2519	void	2873	void
2520	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW	2874	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2521	{	2875	{
2522	invoke_cb = invoke_pending_cb;	2876	invoke_cb = invoke_pending_cb;
2523	}	2877	}
2524		2878
2525	void	2879	void
2526	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW	2880	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2527	{	2881	{
2528	release_cb = release;	2882	release_cb = release;
2529	acquire_cb = acquire;	2883	acquire_cb = acquire;
2530	}	2884	}
2531	#endif	2885	#endif
2532		2886
2533	/* initialise a loop structure, must be zero-initialised */	2887	/* initialise a loop structure, must be zero-initialised */
2534	static void noinline ecb_cold	2888	noinline ecb_cold
		2889	static void
2535	loop_init (EV_P_ unsigned int flags) EV_THROW	2890	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2536	{	2891	{
2537	if (!backend)	2892	if (!backend)
2538	{	2893	{
2539	origflags = flags;	2894	origflags = flags;
2540		2895
…		…
2598		2953
2599	if (!(flags & EVBACKEND_MASK))	2954	if (!(flags & EVBACKEND_MASK))
2600	flags |= ev_recommended_backends ();	2955	flags |= ev_recommended_backends ();
2601		2956
2602	#if EV_USE_IOCP	2957	#if EV_USE_IOCP
2603	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	2958	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2604	#endif	2959	#endif
2605	#if EV_USE_PORT	2960	#if EV_USE_PORT
2606	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	2961	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2607	#endif	2962	#endif
2608	#if EV_USE_KQUEUE	2963	#if EV_USE_KQUEUE
2609	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	2964	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		2965	#endif
		2966	#if EV_USE_LINUXAIO
		2967	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2610	#endif	2968	#endif
2611	#if EV_USE_EPOLL	2969	#if EV_USE_EPOLL
2612	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	2970	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2613	#endif	2971	#endif
2614	#if EV_USE_POLL	2972	#if EV_USE_POLL
2615	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	2973	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2616	#endif	2974	#endif
2617	#if EV_USE_SELECT	2975	#if EV_USE_SELECT
2618	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	2976	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2619	#endif	2977	#endif
2620		2978
2621	ev_prepare_init (&pending_w, pendingcb);	2979	ev_prepare_init (&pending_w, pendingcb);
2622		2980
2623	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2981	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2626	#endif	2984	#endif
2627	}	2985	}
2628	}	2986	}
2629		2987
2630	/* free up a loop structure */	2988	/* free up a loop structure */
2631	void ecb_cold	2989	ecb_cold
		2990	void
2632	ev_loop_destroy (EV_P)	2991	ev_loop_destroy (EV_P)
2633	{	2992	{
2634	int i;	2993	int i;
2635		2994
2636	#if EV_MULTIPLICITY	2995	#if EV_MULTIPLICITY
…		…
2677		3036
2678	if (backend_fd >= 0)	3037	if (backend_fd >= 0)
2679	close (backend_fd);	3038	close (backend_fd);
2680		3039
2681	#if EV_USE_IOCP	3040	#if EV_USE_IOCP
2682	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3041	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2683	#endif	3042	#endif
2684	#if EV_USE_PORT	3043	#if EV_USE_PORT
2685	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3044	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2686	#endif	3045	#endif
2687	#if EV_USE_KQUEUE	3046	#if EV_USE_KQUEUE
2688	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3047	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3048	#endif
		3049	#if EV_USE_LINUXAIO
		3050	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2689	#endif	3051	#endif
2690	#if EV_USE_EPOLL	3052	#if EV_USE_EPOLL
2691	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3053	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2692	#endif	3054	#endif
2693	#if EV_USE_POLL	3055	#if EV_USE_POLL
2694	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3056	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2695	#endif	3057	#endif
2696	#if EV_USE_SELECT	3058	#if EV_USE_SELECT
2697	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3059	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2698	#endif	3060	#endif
2699		3061
2700	for (i = NUMPRI; i--; )	3062	for (i = NUMPRI; i--; )
2701	{	3063	{
2702	array_free (pending, [i]);	3064	array_free (pending, [i]);
…		…
2744		3106
2745	inline_size void	3107	inline_size void
2746	loop_fork (EV_P)	3108	loop_fork (EV_P)
2747	{	3109	{
2748	#if EV_USE_PORT	3110	#if EV_USE_PORT
2749	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3111	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2750	#endif	3112	#endif
2751	#if EV_USE_KQUEUE	3113	#if EV_USE_KQUEUE
2752	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3114	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3115	#endif
		3116	#if EV_USE_LINUXAIO
		3117	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2753	#endif	3118	#endif
2754	#if EV_USE_EPOLL	3119	#if EV_USE_EPOLL
2755	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3120	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2756	#endif	3121	#endif
2757	#if EV_USE_INOTIFY	3122	#if EV_USE_INOTIFY
2758	infy_fork (EV_A);	3123	infy_fork (EV_A);
2759	#endif	3124	#endif
2760		3125
2761	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3126	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2762	if (ev_is_active (&pipe_w))	3127	if (ev_is_active (&pipe_w) && postfork != 2)
2763	{	3128	{
2764	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3129	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2765		3130
2766	ev_ref (EV_A);	3131	ev_ref (EV_A);
2767	ev_io_stop (EV_A_ &pipe_w);	3132	ev_io_stop (EV_A_ &pipe_w);
…		…
2778	postfork = 0;	3143	postfork = 0;
2779	}	3144	}
2780		3145
2781	#if EV_MULTIPLICITY	3146	#if EV_MULTIPLICITY
2782		3147
		3148	ecb_cold
2783	struct ev_loop * ecb_cold	3149	struct ev_loop *
2784	ev_loop_new (unsigned int flags) EV_THROW	3150	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2785	{	3151	{
2786	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3152	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2787		3153
2788	memset (EV_A, 0, sizeof (struct ev_loop));	3154	memset (EV_A, 0, sizeof (struct ev_loop));
2789	loop_init (EV_A_ flags);	3155	loop_init (EV_A_ flags);
…		…
2796	}	3162	}
2797		3163
2798	#endif /* multiplicity */	3164	#endif /* multiplicity */
2799		3165
2800	#if EV_VERIFY	3166	#if EV_VERIFY
2801	static void noinline ecb_cold	3167	noinline ecb_cold
		3168	static void
2802	verify_watcher (EV_P_ W w)	3169	verify_watcher (EV_P_ W w)
2803	{	3170	{
2804	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3171	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2805		3172
2806	if (w->pending)	3173	if (w->pending)
2807	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3174	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2808	}	3175	}
2809		3176
2810	static void noinline ecb_cold	3177	noinline ecb_cold
		3178	static void
2811	verify_heap (EV_P_ ANHE *heap, int N)	3179	verify_heap (EV_P_ ANHE *heap, int N)
2812	{	3180	{
2813	int i;	3181	int i;
2814		3182
2815	for (i = HEAP0; i < N + HEAP0; ++i)	3183	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2820		3188
2821	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3189	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2822	}	3190	}
2823	}	3191	}
2824		3192
2825	static void noinline ecb_cold	3193	noinline ecb_cold
		3194	static void
2826	array_verify (EV_P_ W *ws, int cnt)	3195	array_verify (EV_P_ W *ws, int cnt)
2827	{	3196	{
2828	while (cnt--)	3197	while (cnt--)
2829	{	3198	{
2830	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3199	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2833	}	3202	}
2834	#endif	3203	#endif
2835		3204
2836	#if EV_FEATURE_API	3205	#if EV_FEATURE_API
2837	void ecb_cold	3206	void ecb_cold
2838	ev_verify (EV_P) EV_THROW	3207	ev_verify (EV_P) EV_NOEXCEPT
2839	{	3208	{
2840	#if EV_VERIFY	3209	#if EV_VERIFY
2841	int i;	3210	int i;
2842	WL w, w2;	3211	WL w, w2;
2843		3212
…		…
2919	#endif	3288	#endif
2920	}	3289	}
2921	#endif	3290	#endif
2922		3291
2923	#if EV_MULTIPLICITY	3292	#if EV_MULTIPLICITY
		3293	ecb_cold
2924	struct ev_loop * ecb_cold	3294	struct ev_loop *
2925	#else	3295	#else
2926	int	3296	int
2927	#endif	3297	#endif
2928	ev_default_loop (unsigned int flags) EV_THROW	3298	ev_default_loop (unsigned int flags) EV_NOEXCEPT
2929	{	3299	{
2930	if (!ev_default_loop_ptr)	3300	if (!ev_default_loop_ptr)
2931	{	3301	{
2932	#if EV_MULTIPLICITY	3302	#if EV_MULTIPLICITY
2933	EV_P = ev_default_loop_ptr = &default_loop_struct;	3303	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2952		3322
2953	return ev_default_loop_ptr;	3323	return ev_default_loop_ptr;
2954	}	3324	}
2955		3325
2956	void	3326	void
2957	ev_loop_fork (EV_P) EV_THROW	3327	ev_loop_fork (EV_P) EV_NOEXCEPT
2958	{	3328	{
2959	postfork = 1;	3329	postfork = 1;
2960	}	3330	}
2961		3331
2962	/*****************************************************************************/	3332	/*****************************************************************************/
…		…
2966	{	3336	{
2967	EV_CB_INVOKE ((W)w, revents);	3337	EV_CB_INVOKE ((W)w, revents);
2968	}	3338	}
2969		3339
2970	unsigned int	3340	unsigned int
2971	ev_pending_count (EV_P) EV_THROW	3341	ev_pending_count (EV_P) EV_NOEXCEPT
2972	{	3342	{
2973	int pri;	3343	int pri;
2974	unsigned int count = 0;	3344	unsigned int count = 0;
2975		3345
2976	for (pri = NUMPRI; pri--; )	3346	for (pri = NUMPRI; pri--; )
2977	count += pendingcnt [pri];	3347	count += pendingcnt [pri];
2978		3348
2979	return count;	3349	return count;
2980	}	3350	}
2981		3351
2982	void noinline	3352	noinline
		3353	void
2983	ev_invoke_pending (EV_P)	3354	ev_invoke_pending (EV_P)
2984	{	3355	{
2985	pendingpri = NUMPRI;	3356	pendingpri = NUMPRI;
2986		3357
2987	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3358	do
2988	{	3359	{
2989	--pendingpri;	3360	--pendingpri;
2990		3361
		3362	/* pendingpri possibly gets modified in the inner loop */
2991	while (pendingcnt [pendingpri])	3363	while (pendingcnt [pendingpri])
2992	{	3364	{
2993	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3365	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2994		3366
2995	p->w->pending = 0;	3367	p->w->pending = 0;
2996	EV_CB_INVOKE (p->w, p->events);	3368	EV_CB_INVOKE (p->w, p->events);
2997	EV_FREQUENT_CHECK;	3369	EV_FREQUENT_CHECK;
2998	}	3370	}
2999	}	3371	}
		3372	while (pendingpri);
3000	}	3373	}
3001		3374
3002	#if EV_IDLE_ENABLE	3375	#if EV_IDLE_ENABLE
3003	/* make idle watchers pending. this handles the "call-idle */	3376	/* make idle watchers pending. this handles the "call-idle */
3004	/* only when higher priorities are idle" logic */	3377	/* only when higher priorities are idle" logic */
…		…
3062	}	3435	}
3063	}	3436	}
3064		3437
3065	#if EV_PERIODIC_ENABLE	3438	#if EV_PERIODIC_ENABLE
3066		3439
3067	static void noinline	3440	noinline
		3441	static void
3068	periodic_recalc (EV_P_ ev_periodic *w)	3442	periodic_recalc (EV_P_ ev_periodic *w)
3069	{	3443	{
3070	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3444	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3071	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3445	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3072		3446
…		…
3130	}	3504	}
3131	}	3505	}
3132		3506
3133	/* simply recalculate all periodics */	3507	/* simply recalculate all periodics */
3134	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3508	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3135	static void noinline ecb_cold	3509	noinline ecb_cold
		3510	static void
3136	periodics_reschedule (EV_P)	3511	periodics_reschedule (EV_P)
3137	{	3512	{
3138	int i;	3513	int i;
3139		3514
3140	/* adjust periodics after time jump */	3515	/* adjust periodics after time jump */
…		…
3153	reheap (periodics, periodiccnt);	3528	reheap (periodics, periodiccnt);
3154	}	3529	}
3155	#endif	3530	#endif
3156		3531
3157	/* adjust all timers by a given offset */	3532	/* adjust all timers by a given offset */
3158	static void noinline ecb_cold	3533	noinline ecb_cold
		3534	static void
3159	timers_reschedule (EV_P_ ev_tstamp adjust)	3535	timers_reschedule (EV_P_ ev_tstamp adjust)
3160	{	3536	{
3161	int i;	3537	int i;
3162		3538
3163	for (i = 0; i < timercnt; ++i)	3539	for (i = 0; i < timercnt; ++i)
…		…
3410		3786
3411	return activecnt;	3787	return activecnt;
3412	}	3788	}
3413		3789
3414	void	3790	void
3415	ev_break (EV_P_ int how) EV_THROW	3791	ev_break (EV_P_ int how) EV_NOEXCEPT
3416	{	3792	{
3417	loop_done = how;	3793	loop_done = how;
3418	}	3794	}
3419		3795
3420	void	3796	void
3421	ev_ref (EV_P) EV_THROW	3797	ev_ref (EV_P) EV_NOEXCEPT
3422	{	3798	{
3423	++activecnt;	3799	++activecnt;
3424	}	3800	}
3425		3801
3426	void	3802	void
3427	ev_unref (EV_P) EV_THROW	3803	ev_unref (EV_P) EV_NOEXCEPT
3428	{	3804	{
3429	--activecnt;	3805	--activecnt;
3430	}	3806	}
3431		3807
3432	void	3808	void
3433	ev_now_update (EV_P) EV_THROW	3809	ev_now_update (EV_P) EV_NOEXCEPT
3434	{	3810	{
3435	time_update (EV_A_ 1e100);	3811	time_update (EV_A_ 1e100);
3436	}	3812	}
3437		3813
3438	void	3814	void
3439	ev_suspend (EV_P) EV_THROW	3815	ev_suspend (EV_P) EV_NOEXCEPT
3440	{	3816	{
3441	ev_now_update (EV_A);	3817	ev_now_update (EV_A);
3442	}	3818	}
3443		3819
3444	void	3820	void
3445	ev_resume (EV_P) EV_THROW	3821	ev_resume (EV_P) EV_NOEXCEPT
3446	{	3822	{
3447	ev_tstamp mn_prev = mn_now;	3823	ev_tstamp mn_prev = mn_now;
3448		3824
3449	ev_now_update (EV_A);	3825	ev_now_update (EV_A);
3450	timers_reschedule (EV_A_ mn_now - mn_prev);	3826	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3489	w->pending = 0;	3865	w->pending = 0;
3490	}	3866	}
3491	}	3867	}
3492		3868
3493	int	3869	int
3494	ev_clear_pending (EV_P_ void *w) EV_THROW	3870	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3495	{	3871	{
3496	W w_ = (W)w;	3872	W w_ = (W)w;
3497	int pending = w_->pending;	3873	int pending = w_->pending;
3498		3874
3499	if (expect_true (pending))	3875	if (expect_true (pending))
…		…
3531	w->active = 0;	3907	w->active = 0;
3532	}	3908	}
3533		3909
3534	/*****************************************************************************/	3910	/*****************************************************************************/
3535		3911
3536	void noinline	3912	noinline
		3913	void
3537	ev_io_start (EV_P_ ev_io *w) EV_THROW	3914	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3538	{	3915	{
3539	int fd = w->fd;	3916	int fd = w->fd;
3540		3917
3541	if (expect_false (ev_is_active (w)))	3918	if (expect_false (ev_is_active (w)))
3542	return;	3919	return;
…		…
3545	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	3922	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3546		3923
3547	EV_FREQUENT_CHECK;	3924	EV_FREQUENT_CHECK;
3548		3925
3549	ev_start (EV_A_ (W)w, 1);	3926	ev_start (EV_A_ (W)w, 1);
3550	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3927	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3551	wlist_add (&anfds[fd].head, (WL)w);	3928	wlist_add (&anfds[fd].head, (WL)w);
3552		3929
3553	/* common bug, apparently */	3930	/* common bug, apparently */
3554	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	3931	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3555		3932
…		…
3557	w->events &= ~EV__IOFDSET;	3934	w->events &= ~EV__IOFDSET;
3558		3935
3559	EV_FREQUENT_CHECK;	3936	EV_FREQUENT_CHECK;
3560	}	3937	}
3561		3938
3562	void noinline	3939	noinline
		3940	void
3563	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3941	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3564	{	3942	{
3565	clear_pending (EV_A_ (W)w);	3943	clear_pending (EV_A_ (W)w);
3566	if (expect_false (!ev_is_active (w)))	3944	if (expect_false (!ev_is_active (w)))
3567	return;	3945	return;
3568		3946
…		…
3576	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3954	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3577		3955
3578	EV_FREQUENT_CHECK;	3956	EV_FREQUENT_CHECK;
3579	}	3957	}
3580		3958
3581	void noinline	3959	noinline
		3960	void
3582	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3961	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3583	{	3962	{
3584	if (expect_false (ev_is_active (w)))	3963	if (expect_false (ev_is_active (w)))
3585	return;	3964	return;
3586		3965
3587	ev_at (w) += mn_now;	3966	ev_at (w) += mn_now;
…		…
3590		3969
3591	EV_FREQUENT_CHECK;	3970	EV_FREQUENT_CHECK;
3592		3971
3593	++timercnt;	3972	++timercnt;
3594	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	3973	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3595	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	3974	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3596	ANHE_w (timers [ev_active (w)]) = (WT)w;	3975	ANHE_w (timers [ev_active (w)]) = (WT)w;
3597	ANHE_at_cache (timers [ev_active (w)]);	3976	ANHE_at_cache (timers [ev_active (w)]);
3598	upheap (timers, ev_active (w));	3977	upheap (timers, ev_active (w));
3599		3978
3600	EV_FREQUENT_CHECK;	3979	EV_FREQUENT_CHECK;
3601		3980
3602	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3981	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3603	}	3982	}
3604		3983
3605	void noinline	3984	noinline
		3985	void
3606	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3986	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3607	{	3987	{
3608	clear_pending (EV_A_ (W)w);	3988	clear_pending (EV_A_ (W)w);
3609	if (expect_false (!ev_is_active (w)))	3989	if (expect_false (!ev_is_active (w)))
3610	return;	3990	return;
3611		3991
…		…
3630	ev_stop (EV_A_ (W)w);	4010	ev_stop (EV_A_ (W)w);
3631		4011
3632	EV_FREQUENT_CHECK;	4012	EV_FREQUENT_CHECK;
3633	}	4013	}
3634		4014
3635	void noinline	4015	noinline
		4016	void
3636	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4017	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3637	{	4018	{
3638	EV_FREQUENT_CHECK;	4019	EV_FREQUENT_CHECK;
3639		4020
3640	clear_pending (EV_A_ (W)w);	4021	clear_pending (EV_A_ (W)w);
3641		4022
…		…
3658		4039
3659	EV_FREQUENT_CHECK;	4040	EV_FREQUENT_CHECK;
3660	}	4041	}
3661		4042
3662	ev_tstamp	4043	ev_tstamp
3663	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4044	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3664	{	4045	{
3665	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4046	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3666	}	4047	}
3667		4048
3668	#if EV_PERIODIC_ENABLE	4049	#if EV_PERIODIC_ENABLE
3669	void noinline	4050	noinline
		4051	void
3670	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4052	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3671	{	4053	{
3672	if (expect_false (ev_is_active (w)))	4054	if (expect_false (ev_is_active (w)))
3673	return;	4055	return;
3674		4056
3675	if (w->reschedule_cb)	4057	if (w->reschedule_cb)
…		…
3684		4066
3685	EV_FREQUENT_CHECK;	4067	EV_FREQUENT_CHECK;
3686		4068
3687	++periodiccnt;	4069	++periodiccnt;
3688	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4070	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3689	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4071	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3690	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4072	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3691	ANHE_at_cache (periodics [ev_active (w)]);	4073	ANHE_at_cache (periodics [ev_active (w)]);
3692	upheap (periodics, ev_active (w));	4074	upheap (periodics, ev_active (w));
3693		4075
3694	EV_FREQUENT_CHECK;	4076	EV_FREQUENT_CHECK;
3695		4077
3696	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4078	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3697	}	4079	}
3698		4080
3699	void noinline	4081	noinline
		4082	void
3700	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4083	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3701	{	4084	{
3702	clear_pending (EV_A_ (W)w);	4085	clear_pending (EV_A_ (W)w);
3703	if (expect_false (!ev_is_active (w)))	4086	if (expect_false (!ev_is_active (w)))
3704	return;	4087	return;
3705		4088
…		…
3722	ev_stop (EV_A_ (W)w);	4105	ev_stop (EV_A_ (W)w);
3723		4106
3724	EV_FREQUENT_CHECK;	4107	EV_FREQUENT_CHECK;
3725	}	4108	}
3726		4109
3727	void noinline	4110	noinline
		4111	void
3728	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4112	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3729	{	4113	{
3730	/* TODO: use adjustheap and recalculation */	4114	/* TODO: use adjustheap and recalculation */
3731	ev_periodic_stop (EV_A_ w);	4115	ev_periodic_stop (EV_A_ w);
3732	ev_periodic_start (EV_A_ w);	4116	ev_periodic_start (EV_A_ w);
3733	}	4117	}
…		…
3737	# define SA_RESTART 0	4121	# define SA_RESTART 0
3738	#endif	4122	#endif
3739		4123
3740	#if EV_SIGNAL_ENABLE	4124	#if EV_SIGNAL_ENABLE
3741		4125
3742	void noinline	4126	noinline
		4127	void
3743	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4128	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3744	{	4129	{
3745	if (expect_false (ev_is_active (w)))	4130	if (expect_false (ev_is_active (w)))
3746	return;	4131	return;
3747		4132
3748	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4133	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3819	}	4204	}
3820		4205
3821	EV_FREQUENT_CHECK;	4206	EV_FREQUENT_CHECK;
3822	}	4207	}
3823		4208
3824	void noinline	4209	noinline
		4210	void
3825	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4211	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3826	{	4212	{
3827	clear_pending (EV_A_ (W)w);	4213	clear_pending (EV_A_ (W)w);
3828	if (expect_false (!ev_is_active (w)))	4214	if (expect_false (!ev_is_active (w)))
3829	return;	4215	return;
3830		4216
…		…
3861	#endif	4247	#endif
3862		4248
3863	#if EV_CHILD_ENABLE	4249	#if EV_CHILD_ENABLE
3864		4250
3865	void	4251	void
3866	ev_child_start (EV_P_ ev_child *w) EV_THROW	4252	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3867	{	4253	{
3868	#if EV_MULTIPLICITY	4254	#if EV_MULTIPLICITY
3869	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4255	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3870	#endif	4256	#endif
3871	if (expect_false (ev_is_active (w)))	4257	if (expect_false (ev_is_active (w)))
…		…
3878		4264
3879	EV_FREQUENT_CHECK;	4265	EV_FREQUENT_CHECK;
3880	}	4266	}
3881		4267
3882	void	4268	void
3883	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4269	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3884	{	4270	{
3885	clear_pending (EV_A_ (W)w);	4271	clear_pending (EV_A_ (W)w);
3886	if (expect_false (!ev_is_active (w)))	4272	if (expect_false (!ev_is_active (w)))
3887	return;	4273	return;
3888		4274
…		…
3905		4291
3906	#define DEF_STAT_INTERVAL 5.0074891	4292	#define DEF_STAT_INTERVAL 5.0074891
3907	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4293	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3908	#define MIN_STAT_INTERVAL 0.1074891	4294	#define MIN_STAT_INTERVAL 0.1074891
3909		4295
3910	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4296	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3911		4297
3912	#if EV_USE_INOTIFY	4298	#if EV_USE_INOTIFY
3913		4299
3914	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4300	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3915	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4301	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3916		4302
3917	static void noinline	4303	noinline
		4304	static void
3918	infy_add (EV_P_ ev_stat *w)	4305	infy_add (EV_P_ ev_stat *w)
3919	{	4306	{
3920	w->wd = inotify_add_watch (fs_fd, w->path,	4307	w->wd = inotify_add_watch (fs_fd, w->path,
3921	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4308	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3922	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4309	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
3986	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4373	if (ev_is_active (&w->timer)) ev_ref (EV_A);
3987	ev_timer_again (EV_A_ &w->timer);	4374	ev_timer_again (EV_A_ &w->timer);
3988	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4375	if (ev_is_active (&w->timer)) ev_unref (EV_A);
3989	}	4376	}
3990		4377
3991	static void noinline	4378	noinline
		4379	static void
3992	infy_del (EV_P_ ev_stat *w)	4380	infy_del (EV_P_ ev_stat *w)
3993	{	4381	{
3994	int slot;	4382	int slot;
3995	int wd = w->wd;	4383	int wd = w->wd;
3996		4384
…		…
4003		4391
4004	/* remove this watcher, if others are watching it, they will rearm */	4392	/* remove this watcher, if others are watching it, they will rearm */
4005	inotify_rm_watch (fs_fd, wd);	4393	inotify_rm_watch (fs_fd, wd);
4006	}	4394	}
4007		4395
4008	static void noinline	4396	noinline
		4397	static void
4009	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4398	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4010	{	4399	{
4011	if (slot < 0)	4400	if (slot < 0)
4012	/* overflow, need to check for all hash slots */	4401	/* overflow, need to check for all hash slots */
4013	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4402	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4049	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4438	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4050	ofs += sizeof (struct inotify_event) + ev->len;	4439	ofs += sizeof (struct inotify_event) + ev->len;
4051	}	4440	}
4052	}	4441	}
4053		4442
4054	inline_size void ecb_cold	4443	inline_size ecb_cold
		4444	void
4055	ev_check_2625 (EV_P)	4445	ev_check_2625 (EV_P)
4056	{	4446	{
4057	/* kernels < 2.6.25 are borked	4447	/* kernels < 2.6.25 are borked
4058	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4448	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4059	*/	4449	*/
…		…
4149	#else	4539	#else
4150	# define EV_LSTAT(p,b) lstat (p, b)	4540	# define EV_LSTAT(p,b) lstat (p, b)
4151	#endif	4541	#endif
4152		4542
4153	void	4543	void
4154	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4544	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4155	{	4545	{
4156	if (lstat (w->path, &w->attr) < 0)	4546	if (lstat (w->path, &w->attr) < 0)
4157	w->attr.st_nlink = 0;	4547	w->attr.st_nlink = 0;
4158	else if (!w->attr.st_nlink)	4548	else if (!w->attr.st_nlink)
4159	w->attr.st_nlink = 1;	4549	w->attr.st_nlink = 1;
4160	}	4550	}
4161		4551
4162	static void noinline	4552	noinline
		4553	static void
4163	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4554	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4164	{	4555	{
4165	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4556	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4166		4557
4167	ev_statdata prev = w->attr;	4558	ev_statdata prev = w->attr;
…		…
4198	ev_feed_event (EV_A_ w, EV_STAT);	4589	ev_feed_event (EV_A_ w, EV_STAT);
4199	}	4590	}
4200	}	4591	}
4201		4592
4202	void	4593	void
4203	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4594	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4204	{	4595	{
4205	if (expect_false (ev_is_active (w)))	4596	if (expect_false (ev_is_active (w)))
4206	return;	4597	return;
4207		4598
4208	ev_stat_stat (EV_A_ w);	4599	ev_stat_stat (EV_A_ w);
…		…
4229		4620
4230	EV_FREQUENT_CHECK;	4621	EV_FREQUENT_CHECK;
4231	}	4622	}
4232		4623
4233	void	4624	void
4234	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4625	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4235	{	4626	{
4236	clear_pending (EV_A_ (W)w);	4627	clear_pending (EV_A_ (W)w);
4237	if (expect_false (!ev_is_active (w)))	4628	if (expect_false (!ev_is_active (w)))
4238	return;	4629	return;
4239		4630
…		…
4255	}	4646	}
4256	#endif	4647	#endif
4257		4648
4258	#if EV_IDLE_ENABLE	4649	#if EV_IDLE_ENABLE
4259	void	4650	void
4260	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4651	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4261	{	4652	{
4262	if (expect_false (ev_is_active (w)))	4653	if (expect_false (ev_is_active (w)))
4263	return;	4654	return;
4264		4655
4265	pri_adjust (EV_A_ (W)w);	4656	pri_adjust (EV_A_ (W)w);
…		…
4270	int active = ++idlecnt [ABSPRI (w)];	4661	int active = ++idlecnt [ABSPRI (w)];
4271		4662
4272	++idleall;	4663	++idleall;
4273	ev_start (EV_A_ (W)w, active);	4664	ev_start (EV_A_ (W)w, active);
4274		4665
4275	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4666	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4276	idles [ABSPRI (w)][active - 1] = w;	4667	idles [ABSPRI (w)][active - 1] = w;
4277	}	4668	}
4278		4669
4279	EV_FREQUENT_CHECK;	4670	EV_FREQUENT_CHECK;
4280	}	4671	}
4281		4672
4282	void	4673	void
4283	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4674	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4284	{	4675	{
4285	clear_pending (EV_A_ (W)w);	4676	clear_pending (EV_A_ (W)w);
4286	if (expect_false (!ev_is_active (w)))	4677	if (expect_false (!ev_is_active (w)))
4287	return;	4678	return;
4288		4679
…		…
4302	}	4693	}
4303	#endif	4694	#endif
4304		4695
4305	#if EV_PREPARE_ENABLE	4696	#if EV_PREPARE_ENABLE
4306	void	4697	void
4307	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4698	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4308	{	4699	{
4309	if (expect_false (ev_is_active (w)))	4700	if (expect_false (ev_is_active (w)))
4310	return;	4701	return;
4311		4702
4312	EV_FREQUENT_CHECK;	4703	EV_FREQUENT_CHECK;
4313		4704
4314	ev_start (EV_A_ (W)w, ++preparecnt);	4705	ev_start (EV_A_ (W)w, ++preparecnt);
4315	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4706	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4316	prepares [preparecnt - 1] = w;	4707	prepares [preparecnt - 1] = w;
4317		4708
4318	EV_FREQUENT_CHECK;	4709	EV_FREQUENT_CHECK;
4319	}	4710	}
4320		4711
4321	void	4712	void
4322	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4713	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4323	{	4714	{
4324	clear_pending (EV_A_ (W)w);	4715	clear_pending (EV_A_ (W)w);
4325	if (expect_false (!ev_is_active (w)))	4716	if (expect_false (!ev_is_active (w)))
4326	return;	4717	return;
4327		4718
…		…
4340	}	4731	}
4341	#endif	4732	#endif
4342		4733
4343	#if EV_CHECK_ENABLE	4734	#if EV_CHECK_ENABLE
4344	void	4735	void
4345	ev_check_start (EV_P_ ev_check *w) EV_THROW	4736	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4346	{	4737	{
4347	if (expect_false (ev_is_active (w)))	4738	if (expect_false (ev_is_active (w)))
4348	return;	4739	return;
4349		4740
4350	EV_FREQUENT_CHECK;	4741	EV_FREQUENT_CHECK;
4351		4742
4352	ev_start (EV_A_ (W)w, ++checkcnt);	4743	ev_start (EV_A_ (W)w, ++checkcnt);
4353	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4744	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4354	checks [checkcnt - 1] = w;	4745	checks [checkcnt - 1] = w;
4355		4746
4356	EV_FREQUENT_CHECK;	4747	EV_FREQUENT_CHECK;
4357	}	4748	}
4358		4749
4359	void	4750	void
4360	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4751	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4361	{	4752	{
4362	clear_pending (EV_A_ (W)w);	4753	clear_pending (EV_A_ (W)w);
4363	if (expect_false (!ev_is_active (w)))	4754	if (expect_false (!ev_is_active (w)))
4364	return;	4755	return;
4365		4756
…		…
4377	EV_FREQUENT_CHECK;	4768	EV_FREQUENT_CHECK;
4378	}	4769	}
4379	#endif	4770	#endif
4380		4771
4381	#if EV_EMBED_ENABLE	4772	#if EV_EMBED_ENABLE
4382	void noinline	4773	noinline
		4774	void
4383	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4775	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4384	{	4776	{
4385	ev_run (w->other, EVRUN_NOWAIT);	4777	ev_run (w->other, EVRUN_NOWAIT);
4386	}	4778	}
4387		4779
4388	static void	4780	static void
…		…
4436	ev_idle_stop (EV_A_ idle);	4828	ev_idle_stop (EV_A_ idle);
4437	}	4829	}
4438	#endif	4830	#endif
4439		4831
4440	void	4832	void
4441	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4833	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4442	{	4834	{
4443	if (expect_false (ev_is_active (w)))	4835	if (expect_false (ev_is_active (w)))
4444	return;	4836	return;
4445		4837
4446	{	4838	{
…		…
4467		4859
4468	EV_FREQUENT_CHECK;	4860	EV_FREQUENT_CHECK;
4469	}	4861	}
4470		4862
4471	void	4863	void
4472	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4864	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4473	{	4865	{
4474	clear_pending (EV_A_ (W)w);	4866	clear_pending (EV_A_ (W)w);
4475	if (expect_false (!ev_is_active (w)))	4867	if (expect_false (!ev_is_active (w)))
4476	return;	4868	return;
4477		4869
…		…
4487	}	4879	}
4488	#endif	4880	#endif
4489		4881
4490	#if EV_FORK_ENABLE	4882	#if EV_FORK_ENABLE
4491	void	4883	void
4492	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4884	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4493	{	4885	{
4494	if (expect_false (ev_is_active (w)))	4886	if (expect_false (ev_is_active (w)))
4495	return;	4887	return;
4496		4888
4497	EV_FREQUENT_CHECK;	4889	EV_FREQUENT_CHECK;
4498		4890
4499	ev_start (EV_A_ (W)w, ++forkcnt);	4891	ev_start (EV_A_ (W)w, ++forkcnt);
4500	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4892	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4501	forks [forkcnt - 1] = w;	4893	forks [forkcnt - 1] = w;
4502		4894
4503	EV_FREQUENT_CHECK;	4895	EV_FREQUENT_CHECK;
4504	}	4896	}
4505		4897
4506	void	4898	void
4507	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4899	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4508	{	4900	{
4509	clear_pending (EV_A_ (W)w);	4901	clear_pending (EV_A_ (W)w);
4510	if (expect_false (!ev_is_active (w)))	4902	if (expect_false (!ev_is_active (w)))
4511	return;	4903	return;
4512		4904
…		…
4525	}	4917	}
4526	#endif	4918	#endif
4527		4919
4528	#if EV_CLEANUP_ENABLE	4920	#if EV_CLEANUP_ENABLE
4529	void	4921	void
4530	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4922	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4531	{	4923	{
4532	if (expect_false (ev_is_active (w)))	4924	if (expect_false (ev_is_active (w)))
4533	return;	4925	return;
4534		4926
4535	EV_FREQUENT_CHECK;	4927	EV_FREQUENT_CHECK;
4536		4928
4537	ev_start (EV_A_ (W)w, ++cleanupcnt);	4929	ev_start (EV_A_ (W)w, ++cleanupcnt);
4538	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	4930	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4539	cleanups [cleanupcnt - 1] = w;	4931	cleanups [cleanupcnt - 1] = w;
4540		4932
4541	/* cleanup watchers should never keep a refcount on the loop */	4933	/* cleanup watchers should never keep a refcount on the loop */
4542	ev_unref (EV_A);	4934	ev_unref (EV_A);
4543	EV_FREQUENT_CHECK;	4935	EV_FREQUENT_CHECK;
4544	}	4936	}
4545		4937
4546	void	4938	void
4547	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4939	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4548	{	4940	{
4549	clear_pending (EV_A_ (W)w);	4941	clear_pending (EV_A_ (W)w);
4550	if (expect_false (!ev_is_active (w)))	4942	if (expect_false (!ev_is_active (w)))
4551	return;	4943	return;
4552		4944
…		…
4566	}	4958	}
4567	#endif	4959	#endif
4568		4960
4569	#if EV_ASYNC_ENABLE	4961	#if EV_ASYNC_ENABLE
4570	void	4962	void
4571	ev_async_start (EV_P_ ev_async *w) EV_THROW	4963	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4572	{	4964	{
4573	if (expect_false (ev_is_active (w)))	4965	if (expect_false (ev_is_active (w)))
4574	return;	4966	return;
4575		4967
4576	w->sent = 0;	4968	w->sent = 0;
…		…
4578	evpipe_init (EV_A);	4970	evpipe_init (EV_A);
4579		4971
4580	EV_FREQUENT_CHECK;	4972	EV_FREQUENT_CHECK;
4581		4973
4582	ev_start (EV_A_ (W)w, ++asynccnt);	4974	ev_start (EV_A_ (W)w, ++asynccnt);
4583	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	4975	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4584	asyncs [asynccnt - 1] = w;	4976	asyncs [asynccnt - 1] = w;
4585		4977
4586	EV_FREQUENT_CHECK;	4978	EV_FREQUENT_CHECK;
4587	}	4979	}
4588		4980
4589	void	4981	void
4590	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4982	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4591	{	4983	{
4592	clear_pending (EV_A_ (W)w);	4984	clear_pending (EV_A_ (W)w);
4593	if (expect_false (!ev_is_active (w)))	4985	if (expect_false (!ev_is_active (w)))
4594	return;	4986	return;
4595		4987
…		…
4606		4998
4607	EV_FREQUENT_CHECK;	4999	EV_FREQUENT_CHECK;
4608	}	5000	}
4609		5001
4610	void	5002	void
4611	ev_async_send (EV_P_ ev_async *w) EV_THROW	5003	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4612	{	5004	{
4613	w->sent = 1;	5005	w->sent = 1;
4614	evpipe_write (EV_A_ &async_pending);	5006	evpipe_write (EV_A_ &async_pending);
4615	}	5007	}
4616	#endif	5008	#endif
…		…
4653		5045
4654	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5046	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4655	}	5047	}
4656		5048
4657	void	5049	void
4658	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5050	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4659	{	5051	{
4660	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5052	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4661
4662	if (expect_false (!once))
4663	{
4664	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4665	return;
4666	}
4667		5053
4668	once->cb = cb;	5054	once->cb = cb;
4669	once->arg = arg;	5055	once->arg = arg;
4670		5056
4671	ev_init (&once->io, once_cb_io);	5057	ev_init (&once->io, once_cb_io);
…		…
4684	}	5070	}
4685		5071
4686	/*****************************************************************************/	5072	/*****************************************************************************/
4687		5073
4688	#if EV_WALK_ENABLE	5074	#if EV_WALK_ENABLE
4689	void ecb_cold	5075	ecb_cold
		5076	void
4690	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5077	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4691	{	5078	{
4692	int i, j;	5079	int i, j;
4693	ev_watcher_list *wl, *wn;	5080	ev_watcher_list *wl, *wn;
4694		5081
4695	if (types & (EV_IO | EV_EMBED))	5082	if (types & (EV_IO | EV_EMBED))

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