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Comparing libev/ev.c (file contents):
Revision 1.471 by root, Tue Sep 9 12:41:56 2014 UTC vs.
Revision 1.505 by root, Wed Jul 10 14:25:35 2019 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007-2019 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
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	118	# endif
119		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
		127	# endif
		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
123	# endif	132	# endif
124	# else	133	# else
…		…
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
…		…
313		324
314	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
315	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
316	#endif	327	#endif
317		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
		337	#ifndef EV_USE_IOURING
		338	# if __linux
		339	# define EV_USE_IOURING 0
		340	# else
		341	# define EV_USE_IOURING 0
		342	# endif
		343	#endif
		344
318	#ifndef EV_USE_INOTIFY	345	#ifndef EV_USE_INOTIFY
319	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	346	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
320	# define EV_USE_INOTIFY EV_FEATURE_OS	347	# define EV_USE_INOTIFY EV_FEATURE_OS
321	# else	348	# else
322	# define EV_USE_INOTIFY 0	349	# define EV_USE_INOTIFY 0
…		…
363		390
364	#ifndef EV_HEAP_CACHE_AT	391	#ifndef EV_HEAP_CACHE_AT
365	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	392	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
366	#endif	393	#endif
367		394
368	#ifdef ANDROID	395	#ifdef __ANDROID__
369	/* supposedly, android doesn't typedef fd_mask */	396	/* supposedly, android doesn't typedef fd_mask */
370	# undef EV_USE_SELECT	397	# undef EV_USE_SELECT
371	# define EV_USE_SELECT 0	398	# define EV_USE_SELECT 0
372	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	399	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
373	# undef EV_USE_CLOCK_SYSCALL	400	# undef EV_USE_CLOCK_SYSCALL
…		…
387	# include <sys/syscall.h>	414	# include <sys/syscall.h>
388	# ifdef SYS_clock_gettime	415	# ifdef SYS_clock_gettime
389	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	416	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
390	# undef EV_USE_MONOTONIC	417	# undef EV_USE_MONOTONIC
391	# define EV_USE_MONOTONIC 1	418	# define EV_USE_MONOTONIC 1
		419	# define EV_NEED_SYSCALL 1
392	# else	420	# else
393	# undef EV_USE_CLOCK_SYSCALL	421	# undef EV_USE_CLOCK_SYSCALL
394	# define EV_USE_CLOCK_SYSCALL 0	422	# define EV_USE_CLOCK_SYSCALL 0
395	# endif	423	# endif
396	#endif	424	#endif
…		…
414		442
415	#if !EV_USE_NANOSLEEP	443	#if !EV_USE_NANOSLEEP
416	/* hp-ux has it in sys/time.h, which we unconditionally include above */	444	/* hp-ux has it in sys/time.h, which we unconditionally include above */
417	# if !defined _WIN32 && !defined __hpux	445	# if !defined _WIN32 && !defined __hpux
418	# include <sys/select.h>	446	# include <sys/select.h>
		447	# endif
		448	#endif
		449
		450	#if EV_USE_LINUXAIO
		451	# include <sys/syscall.h>
		452	# if SYS_io_getevents && EV_USE_EPOLL /* linuxaio backend requires epoll backend */
		453	# define EV_NEED_SYSCALL 1
		454	# else
		455	# undef EV_USE_LINUXAIO
		456	# define EV_USE_LINUXAIO 0
		457	# endif
		458	#endif
		459
		460	#if EV_USE_IOURING
		461	# include <sys/syscall.h>
		462	# if !SYS_io_uring_setup && __linux && !__alpha
		463	# define SYS_io_uring_setup 425
		464	# define SYS_io_uring_enter 426
		465	# define SYS_io_uring_wregister 427
		466	# endif
		467	# if SYS_io_uring_setup && EV_USE_EPOLL /* iouring backend requires epoll backend */
		468	# define EV_NEED_SYSCALL 1
		469	# else
		470	# undef EV_USE_IOURING
		471	# define EV_USE_IOURING 0
419	# endif	472	# endif
420	#endif	473	#endif
421		474
422	#if EV_USE_INOTIFY	475	#if EV_USE_INOTIFY
423	# include <sys/statfs.h>	476	# include <sys/statfs.h>
…		…
465	uint32_t ssi_signo;	518	uint32_t ssi_signo;
466	char pad[128 - sizeof (uint32_t)];	519	char pad[128 - sizeof (uint32_t)];
467	};	520	};
468	#endif	521	#endif
469		522
470	/**/	523	/*****************************************************************************/
471		524
472	#if EV_VERIFY >= 3	525	#if EV_VERIFY >= 3
473	# define EV_FREQUENT_CHECK ev_verify (EV_A)	526	# define EV_FREQUENT_CHECK ev_verify (EV_A)
474	#else	527	#else
475	# define EV_FREQUENT_CHECK do { } while (0)	528	# define EV_FREQUENT_CHECK do { } while (0)
…		…
480	* This value is good at least till the year 4000.	533	* This value is good at least till the year 4000.
481	*/	534	*/
482	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */	535	#define MIN_INTERVAL 0.0001220703125 /* 1/2**13, good till 4000 */
483	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */	536	/*#define MIN_INTERVAL 0.00000095367431640625 /* 1/2**20, good till 2200 */
484		537
485	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	538	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
486	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	539	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
		540
		541	/* find a portable timestamp that is "always" in the future but fits into time_t.
		542	* this is quite hard, and we are mostly guessing - we handle 32 bit signed/unsigned time_t,
		543	* and sizes larger than 32 bit, and maybe the unlikely floating point time_t */
		544	#define EV_TSTAMP_HUGE \
		545	(sizeof (time_t) >= 8 ? 10000000000000. \
		546	: 0 < (time_t)4294967295 ? 4294967295. \
		547	: 2147483647.) \
487		548
488	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	549	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
489	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)	550	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
		551	#define EV_TV_GET(tv) ((tv).tv_sec + (tv).tv_usec * 1e6)
		552	#define EV_TS_GET(ts) ((ts).tv_sec + (ts).tv_nsec * 1e9)
490		553
491	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	554	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
492	/* ECB.H BEGIN */	555	/* ECB.H BEGIN */
493	/*	556	/*
494	* libecb - http://software.schmorp.de/pkg/libecb	557	* libecb - http://software.schmorp.de/pkg/libecb
495	*	558	*
496	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>	559	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
497	* Copyright (©) 2011 Emanuele Giaquinta	560	* Copyright (©) 2011 Emanuele Giaquinta
498	* All rights reserved.	561	* All rights reserved.
499	*	562	*
500	* Redistribution and use in source and binary forms, with or without modifica-	563	* Redistribution and use in source and binary forms, with or without modifica-
501	* tion, are permitted provided that the following conditions are met:	564	* tion, are permitted provided that the following conditions are met:
…		…
532		595
533	#ifndef ECB_H	596	#ifndef ECB_H
534	#define ECB_H	597	#define ECB_H
535		598
536	/* 16 bits major, 16 bits minor */	599	/* 16 bits major, 16 bits minor */
537	#define ECB_VERSION 0x00010003	600	#define ECB_VERSION 0x00010006
538		601
539	#ifdef _WIN32	602	#ifdef _WIN32
540	typedef signed char int8_t;	603	typedef signed char int8_t;
541	typedef unsigned char uint8_t;	604	typedef unsigned char uint8_t;
542	typedef signed short int16_t;	605	typedef signed short int16_t;
…		…
559	typedef uint32_t uintptr_t;	622	typedef uint32_t uintptr_t;
560	typedef int32_t intptr_t;	623	typedef int32_t intptr_t;
561	#endif	624	#endif
562	#else	625	#else
563	#include <inttypes.h>	626	#include <inttypes.h>
564	#if UINTMAX_MAX > 0xffffffffU	627	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
565	#define ECB_PTRSIZE 8	628	#define ECB_PTRSIZE 8
566	#else	629	#else
567	#define ECB_PTRSIZE 4	630	#define ECB_PTRSIZE 4
568	#endif	631	#endif
569	#endif	632	#endif
570		633
		634	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		635	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		636
571	/* work around x32 idiocy by defining proper macros */	637	/* work around x32 idiocy by defining proper macros */
572	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	638	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
573	#if _ILP32	639	#if _ILP32
574	#define ECB_AMD64_X32 1	640	#define ECB_AMD64_X32 1
575	#else	641	#else
576	#define ECB_AMD64 1	642	#define ECB_AMD64 1
577	#endif	643	#endif
…		…
582	* causing enormous grief in return for some better fake benchmark numbers.	648	* causing enormous grief in return for some better fake benchmark numbers.
583	* or so.	649	* or so.
584	* we try to detect these and simply assume they are not gcc - if they have	650	* we try to detect these and simply assume they are not gcc - if they have
585	* an issue with that they should have done it right in the first place.	651	* an issue with that they should have done it right in the first place.
586	*/	652	*/
587	#ifndef ECB_GCC_VERSION
588	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	653	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
589	#define ECB_GCC_VERSION(major,minor) 0	654	#define ECB_GCC_VERSION(major,minor) 0
590	#else	655	#else
591	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	656	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
592	#endif	657	#endif
		658
		659	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		660
		661	#if __clang__ && defined __has_builtin
		662	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		663	#else
		664	#define ECB_CLANG_BUILTIN(x) 0
		665	#endif
		666
		667	#if __clang__ && defined __has_extension
		668	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		669	#else
		670	#define ECB_CLANG_EXTENSION(x) 0
593	#endif	671	#endif
594		672
595	#define ECB_CPP (__cplusplus+0)	673	#define ECB_CPP (__cplusplus+0)
596	#define ECB_CPP11 (__cplusplus >= 201103L)	674	#define ECB_CPP11 (__cplusplus >= 201103L)
		675	#define ECB_CPP14 (__cplusplus >= 201402L)
		676	#define ECB_CPP17 (__cplusplus >= 201703L)
597		677
598	#if ECB_CPP	678	#if ECB_CPP
599	#define ECB_C 0	679	#define ECB_C 0
600	#define ECB_STDC_VERSION 0	680	#define ECB_STDC_VERSION 0
601	#else	681	#else
…		…
603	#define ECB_STDC_VERSION __STDC_VERSION__	683	#define ECB_STDC_VERSION __STDC_VERSION__
604	#endif	684	#endif
605		685
606	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)	686	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
607	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)	687	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		688	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
608		689
609	#if ECB_CPP	690	#if ECB_CPP
610	#define ECB_EXTERN_C extern "C"	691	#define ECB_EXTERN_C extern "C"
611	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	692	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
612	#define ECB_EXTERN_C_END }	693	#define ECB_EXTERN_C_END }
…		…
627		708
628	#if ECB_NO_SMP	709	#if ECB_NO_SMP
629	#define ECB_MEMORY_FENCE do { } while (0)	710	#define ECB_MEMORY_FENCE do { } while (0)
630	#endif	711	#endif
631		712
		713	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		714	#if __xlC__ && ECB_CPP
		715	#include <builtins.h>
		716	#endif
		717
		718	#if 1400 <= _MSC_VER
		719	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
		720	#endif
		721
632	#ifndef ECB_MEMORY_FENCE	722	#ifndef ECB_MEMORY_FENCE
633	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	723	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		724	#define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
634	#if __i386 || __i386__	725	#if __i386 || __i386__
635	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	726	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
636	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	727	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
637	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	728	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
638	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	729	#elif ECB_GCC_AMD64
639	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	730	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
640	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	731	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
641	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	732	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
642	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	733	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
643	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	734	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		735	#elif defined __ARM_ARCH_2__ \
		736	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		737	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		738	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		739	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		740	|| defined __ARM_ARCH_5TEJ__
		741	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
644	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	742	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
645	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	743	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		744	|| defined __ARM_ARCH_6T2__
646	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	745	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
647	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	746	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
648	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	747	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
649	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	748	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
650	#elif __aarch64__	749	#elif __aarch64__
651	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	750	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
652	#elif (__sparc || __sparc__) && !__sparcv8	751	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
653	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	752	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
654	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	753	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
655	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	754	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
656	#elif defined __s390__ || defined __s390x__	755	#elif defined __s390__ || defined __s390x__
657	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	756	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
680	#if ECB_GCC_VERSION(4,7)	779	#if ECB_GCC_VERSION(4,7)
681	/* see comment below (stdatomic.h) about the C11 memory model. */	780	/* see comment below (stdatomic.h) about the C11 memory model. */
682	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	781	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
683	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	782	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
684	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)	783	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		784	#define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
685		785
686	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	786	#elif ECB_CLANG_EXTENSION(c_atomic)
687	* without risking compile time errors with other compilers. We *could*
688	* define our own ecb_clang_has_feature, but I just can't be bothered to work
689	* around this shit time and again.
690	* #elif defined __clang && __has_feature (cxx_atomic)
691	* // see comment below (stdatomic.h) about the C11 memory model.	787	/* see comment below (stdatomic.h) about the C11 memory model. */
692	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	788	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
693	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	789	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
694	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	790	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
695	*/	791	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
696		792
697	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	793	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
698	#define ECB_MEMORY_FENCE __sync_synchronize ()	794	#define ECB_MEMORY_FENCE __sync_synchronize ()
699	#elif _MSC_VER >= 1500 /* VC++ 2008 */	795	#elif _MSC_VER >= 1500 /* VC++ 2008 */
700	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	796	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
710	#elif defined _WIN32	806	#elif defined _WIN32
711	#include <WinNT.h>	807	#include <WinNT.h>
712	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	808	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
713	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	809	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
714	#include <mbarrier.h>	810	#include <mbarrier.h>
715	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	811	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
716	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	812	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
717	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	813	#define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
		814	#define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
718	#elif __xlC__	815	#elif __xlC__
719	#define ECB_MEMORY_FENCE __sync ()	816	#define ECB_MEMORY_FENCE __sync ()
720	#endif	817	#endif
721	#endif	818	#endif
722		819
723	#ifndef ECB_MEMORY_FENCE	820	#ifndef ECB_MEMORY_FENCE
724	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	821	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
725	/* we assume that these memory fences work on all variables/all memory accesses, */	822	/* we assume that these memory fences work on all variables/all memory accesses, */
726	/* not just C11 atomics and atomic accesses */	823	/* not just C11 atomics and atomic accesses */
727	#include <stdatomic.h>	824	#include <stdatomic.h>
728	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
729	/* any fence other than seq_cst, which isn't very efficient for us. */
730	/* Why that is, we don't know - either the C11 memory model is quite useless */
731	/* for most usages, or gcc and clang have a bug */
732	/* I *currently* lean towards the latter, and inefficiently implement */
733	/* all three of ecb's fences as a seq_cst fence */
734	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
735	/* for all __atomic_thread_fence's except seq_cst */
736	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	825	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		826	#define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
		827	#define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
737	#endif	828	#endif
738	#endif	829	#endif
739		830
740	#ifndef ECB_MEMORY_FENCE	831	#ifndef ECB_MEMORY_FENCE
741	#if !ECB_AVOID_PTHREADS	832	#if !ECB_AVOID_PTHREADS
…		…
761		852
762	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	853	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
763	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	854	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
764	#endif	855	#endif
765		856
		857	#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
		858	#define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
		859	#endif
		860
766	/*****************************************************************************/	861	/*****************************************************************************/
767		862
768	#if __cplusplus	863	#if ECB_CPP
769	#define ecb_inline static inline	864	#define ecb_inline static inline
770	#elif ECB_GCC_VERSION(2,5)	865	#elif ECB_GCC_VERSION(2,5)
771	#define ecb_inline static __inline__	866	#define ecb_inline static __inline__
772	#elif ECB_C99	867	#elif ECB_C99
773	#define ecb_inline static inline	868	#define ecb_inline static inline
…		…
787		882
788	#define ECB_CONCAT_(a, b) a ## b	883	#define ECB_CONCAT_(a, b) a ## b
789	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	884	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
790	#define ECB_STRINGIFY_(a) # a	885	#define ECB_STRINGIFY_(a) # a
791	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	886	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		887	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
792		888
793	#define ecb_function_ ecb_inline	889	#define ecb_function_ ecb_inline
794		890
795	#if ECB_GCC_VERSION(3,1)	891	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
796	#define ecb_attribute(attrlist) __attribute__(attrlist)	892	#define ecb_attribute(attrlist) __attribute__ (attrlist)
797	#define ecb_is_constant(expr) __builtin_constant_p (expr)
798	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
799	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
800	#else	893	#else
801	#define ecb_attribute(attrlist)	894	#define ecb_attribute(attrlist)
		895	#endif
802		896
		897	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
		898	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		899	#else
803	/* possible C11 impl for integral types	900	/* possible C11 impl for integral types
804	typedef struct ecb_is_constant_struct ecb_is_constant_struct;	901	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
805	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */	902	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
806		903
807	#define ecb_is_constant(expr) 0	904	#define ecb_is_constant(expr) 0
		905	#endif
		906
		907	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
		908	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		909	#else
808	#define ecb_expect(expr,value) (expr)	910	#define ecb_expect(expr,value) (expr)
		911	#endif
		912
		913	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
		914	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		915	#else
809	#define ecb_prefetch(addr,rw,locality)	916	#define ecb_prefetch(addr,rw,locality)
810	#endif	917	#endif
811		918
812	/* no emulation for ecb_decltype */	919	/* no emulation for ecb_decltype */
813	#if ECB_GCC_VERSION(4,5)	920	#if ECB_CPP11
		921	// older implementations might have problems with decltype(x)::type, work around it
		922	template<class T> struct ecb_decltype_t { typedef T type; };
814	#define ecb_decltype(x) __decltype(x)	923	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
815	#elif ECB_GCC_VERSION(3,0)	924	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
816	#define ecb_decltype(x) __typeof(x)	925	#define ecb_decltype(x) __typeof__ (x)
817	#endif	926	#endif
818		927
819	#if _MSC_VER >= 1300	928	#if _MSC_VER >= 1300
820	#define ecb_deprecated __declspec(deprecated)	929	#define ecb_deprecated __declspec (deprecated)
821	#else	930	#else
822	#define ecb_deprecated ecb_attribute ((__deprecated__))	931	#define ecb_deprecated ecb_attribute ((__deprecated__))
823	#endif	932	#endif
824		933
		934	#if _MSC_VER >= 1500
		935	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		936	#elif ECB_GCC_VERSION(4,5)
		937	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		938	#else
		939	#define ecb_deprecated_message(msg) ecb_deprecated
		940	#endif
		941
		942	#if _MSC_VER >= 1400
		943	#define ecb_noinline __declspec (noinline)
		944	#else
825	#define ecb_noinline ecb_attribute ((__noinline__))	945	#define ecb_noinline ecb_attribute ((__noinline__))
		946	#endif
		947
826	#define ecb_unused ecb_attribute ((__unused__))	948	#define ecb_unused ecb_attribute ((__unused__))
827	#define ecb_const ecb_attribute ((__const__))	949	#define ecb_const ecb_attribute ((__const__))
828	#define ecb_pure ecb_attribute ((__pure__))	950	#define ecb_pure ecb_attribute ((__pure__))
829		951
830	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */	952	#if ECB_C11 || __IBMC_NORETURN
831	#if ECB_C11	953	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
832	#define ecb_noreturn _Noreturn	954	#define ecb_noreturn _Noreturn
		955	#elif ECB_CPP11
		956	#define ecb_noreturn [[noreturn]]
		957	#elif _MSC_VER >= 1200
		958	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		959	#define ecb_noreturn __declspec (noreturn)
833	#else	960	#else
834	#define ecb_noreturn ecb_attribute ((__noreturn__))	961	#define ecb_noreturn ecb_attribute ((__noreturn__))
835	#endif	962	#endif
836		963
837	#if ECB_GCC_VERSION(4,3)	964	#if ECB_GCC_VERSION(4,3)
…		…
852	/* for compatibility to the rest of the world */	979	/* for compatibility to the rest of the world */
853	#define ecb_likely(expr) ecb_expect_true (expr)	980	#define ecb_likely(expr) ecb_expect_true (expr)
854	#define ecb_unlikely(expr) ecb_expect_false (expr)	981	#define ecb_unlikely(expr) ecb_expect_false (expr)
855		982
856	/* count trailing zero bits and count # of one bits */	983	/* count trailing zero bits and count # of one bits */
857	#if ECB_GCC_VERSION(3,4)	984	#if ECB_GCC_VERSION(3,4) \
		985	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		986	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		987	&& ECB_CLANG_BUILTIN(__builtin_popcount))
858	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	988	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
859	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	989	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
860	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	990	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
861	#define ecb_ctz32(x) __builtin_ctz (x)	991	#define ecb_ctz32(x) __builtin_ctz (x)
862	#define ecb_ctz64(x) __builtin_ctzll (x)	992	#define ecb_ctz64(x) __builtin_ctzll (x)
863	#define ecb_popcount32(x) __builtin_popcount (x)	993	#define ecb_popcount32(x) __builtin_popcount (x)
864	/* no popcountll */	994	/* no popcountll */
865	#else	995	#else
866	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	996	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
867	ecb_function_ int	997	ecb_function_ ecb_const int
868	ecb_ctz32 (uint32_t x)	998	ecb_ctz32 (uint32_t x)
869	{	999	{
		1000	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1001	unsigned long r;
		1002	_BitScanForward (&r, x);
		1003	return (int)r;
		1004	#else
870	int r = 0;	1005	int r = 0;
871		1006
872	x &= ~x + 1; /* this isolates the lowest bit */	1007	x &= ~x + 1; /* this isolates the lowest bit */
873		1008
874	#if ECB_branchless_on_i386	1009	#if ECB_branchless_on_i386
…		…
884	if (x & 0xff00ff00) r += 8;	1019	if (x & 0xff00ff00) r += 8;
885	if (x & 0xffff0000) r += 16;	1020	if (x & 0xffff0000) r += 16;
886	#endif	1021	#endif
887		1022
888	return r;	1023	return r;
		1024	#endif
889	}	1025	}
890		1026
891	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	1027	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
892	ecb_function_ int	1028	ecb_function_ ecb_const int
893	ecb_ctz64 (uint64_t x)	1029	ecb_ctz64 (uint64_t x)
894	{	1030	{
		1031	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1032	unsigned long r;
		1033	_BitScanForward64 (&r, x);
		1034	return (int)r;
		1035	#else
895	int shift = x & 0xffffffffU ? 0 : 32;	1036	int shift = x & 0xffffffff ? 0 : 32;
896	return ecb_ctz32 (x >> shift) + shift;	1037	return ecb_ctz32 (x >> shift) + shift;
		1038	#endif
897	}	1039	}
898		1040
899	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1041	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
900	ecb_function_ int	1042	ecb_function_ ecb_const int
901	ecb_popcount32 (uint32_t x)	1043	ecb_popcount32 (uint32_t x)
902	{	1044	{
903	x -= (x >> 1) & 0x55555555;	1045	x -= (x >> 1) & 0x55555555;
904	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1046	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
905	x = ((x >> 4) + x) & 0x0f0f0f0f;	1047	x = ((x >> 4) + x) & 0x0f0f0f0f;
906	x *= 0x01010101;	1048	x *= 0x01010101;
907		1049
908	return x >> 24;	1050	return x >> 24;
909	}	1051	}
910		1052
911	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1053	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
912	ecb_function_ int ecb_ld32 (uint32_t x)	1054	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
913	{	1055	{
		1056	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1057	unsigned long r;
		1058	_BitScanReverse (&r, x);
		1059	return (int)r;
		1060	#else
914	int r = 0;	1061	int r = 0;
915		1062
916	if (x >> 16) { x >>= 16; r += 16; }	1063	if (x >> 16) { x >>= 16; r += 16; }
917	if (x >> 8) { x >>= 8; r += 8; }	1064	if (x >> 8) { x >>= 8; r += 8; }
918	if (x >> 4) { x >>= 4; r += 4; }	1065	if (x >> 4) { x >>= 4; r += 4; }
919	if (x >> 2) { x >>= 2; r += 2; }	1066	if (x >> 2) { x >>= 2; r += 2; }
920	if (x >> 1) { r += 1; }	1067	if (x >> 1) { r += 1; }
921		1068
922	return r;	1069	return r;
		1070	#endif
923	}	1071	}
924		1072
925	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1073	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
926	ecb_function_ int ecb_ld64 (uint64_t x)	1074	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
927	{	1075	{
		1076	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1077	unsigned long r;
		1078	_BitScanReverse64 (&r, x);
		1079	return (int)r;
		1080	#else
928	int r = 0;	1081	int r = 0;
929		1082
930	if (x >> 32) { x >>= 32; r += 32; }	1083	if (x >> 32) { x >>= 32; r += 32; }
931		1084
932	return r + ecb_ld32 (x);	1085	return r + ecb_ld32 (x);
		1086	#endif
933	}	1087	}
934	#endif	1088	#endif
935		1089
936	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1090	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
937	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1091	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
938	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1092	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
939	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1093	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
940		1094
941	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1095	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
942	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1096	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
943	{	1097	{
944	return ( (x * 0x0802U & 0x22110U)	1098	return ( (x * 0x0802U & 0x22110U)
945	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1099	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
946	}	1100	}
947		1101
948	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1102	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
949	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1103	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
950	{	1104	{
951	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1105	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
952	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1106	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
953	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1107	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
954	x = ( x >> 8 ) | ( x << 8);	1108	x = ( x >> 8 ) | ( x << 8);
955		1109
956	return x;	1110	return x;
957	}	1111	}
958		1112
959	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1113	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
960	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1114	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
961	{	1115	{
962	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1116	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
963	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1117	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
964	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1118	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
965	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1119	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
968	return x;	1122	return x;
969	}	1123	}
970		1124
971	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1125	/* popcount64 is only available on 64 bit cpus as gcc builtin */
972	/* so for this version we are lazy */	1126	/* so for this version we are lazy */
973	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1127	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
974	ecb_function_ int	1128	ecb_function_ ecb_const int
975	ecb_popcount64 (uint64_t x)	1129	ecb_popcount64 (uint64_t x)
976	{	1130	{
977	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1131	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
978	}	1132	}
979		1133
980	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1134	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
981	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1135	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
982	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1136	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
983	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1137	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
984	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1138	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
985	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1139	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
986	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1140	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
987	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1141	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
988		1142
989	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1143	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
990	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1144	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
991	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1145	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
992	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1146	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
993	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1147	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
994	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1148	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
995	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1149	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
996	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1150	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
997		1151
998	#if ECB_GCC_VERSION(4,3)	1152	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1153	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1154	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1155	#else
999	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1156	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1157	#endif
1000	#define ecb_bswap32(x) __builtin_bswap32 (x)	1158	#define ecb_bswap32(x) __builtin_bswap32 (x)
1001	#define ecb_bswap64(x) __builtin_bswap64 (x)	1159	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1160	#elif _MSC_VER
		1161	#include <stdlib.h>
		1162	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1163	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1164	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
1002	#else	1165	#else
1003	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1166	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
1004	ecb_function_ uint16_t	1167	ecb_function_ ecb_const uint16_t
1005	ecb_bswap16 (uint16_t x)	1168	ecb_bswap16 (uint16_t x)
1006	{	1169	{
1007	return ecb_rotl16 (x, 8);	1170	return ecb_rotl16 (x, 8);
1008	}	1171	}
1009		1172
1010	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1173	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
1011	ecb_function_ uint32_t	1174	ecb_function_ ecb_const uint32_t
1012	ecb_bswap32 (uint32_t x)	1175	ecb_bswap32 (uint32_t x)
1013	{	1176	{
1014	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1177	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
1015	}	1178	}
1016		1179
1017	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1180	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1018	ecb_function_ uint64_t	1181	ecb_function_ ecb_const uint64_t
1019	ecb_bswap64 (uint64_t x)	1182	ecb_bswap64 (uint64_t x)
1020	{	1183	{
1021	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1184	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1022	}	1185	}
1023	#endif	1186	#endif
1024		1187
1025	#if ECB_GCC_VERSION(4,5)	1188	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1026	#define ecb_unreachable() __builtin_unreachable ()	1189	#define ecb_unreachable() __builtin_unreachable ()
1027	#else	1190	#else
1028	/* this seems to work fine, but gcc always emits a warning for it :/ */	1191	/* this seems to work fine, but gcc always emits a warning for it :/ */
1029	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1192	ecb_inline ecb_noreturn void ecb_unreachable (void);
1030	ecb_inline void ecb_unreachable (void) { }	1193	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1031	#endif	1194	#endif
1032		1195
1033	/* try to tell the compiler that some condition is definitely true */	1196	/* try to tell the compiler that some condition is definitely true */
1034	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1197	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1035		1198
1036	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1199	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1037	ecb_inline unsigned char	1200	ecb_inline ecb_const uint32_t
1038	ecb_byteorder_helper (void)	1201	ecb_byteorder_helper (void)
1039	{	1202	{
1040	/* the union code still generates code under pressure in gcc, */	1203	/* the union code still generates code under pressure in gcc, */
1041	/* but less than using pointers, and always seems to */	1204	/* but less than using pointers, and always seems to */
1042	/* successfully return a constant. */	1205	/* successfully return a constant. */
1043	/* the reason why we have this horrible preprocessor mess */	1206	/* the reason why we have this horrible preprocessor mess */
1044	/* is to avoid it in all cases, at least on common architectures */	1207	/* is to avoid it in all cases, at least on common architectures */
1045	/* or when using a recent enough gcc version (>= 4.6) */	1208	/* or when using a recent enough gcc version (>= 4.6) */
1046	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
1047	return 0x44;
1048	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1209	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1210	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1211	#define ECB_LITTLE_ENDIAN 1
1049	return 0x44;	1212	return 0x44332211;
1050	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1213	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1214	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1215	#define ECB_BIG_ENDIAN 1
1051	return 0x11;	1216	return 0x11223344;
1052	#else	1217	#else
1053	union	1218	union
1054	{	1219	{
		1220	uint8_t c[4];
1055	uint32_t i;	1221	uint32_t u;
1056	uint8_t c;
1057	} u = { 0x11223344 };	1222	} u = { 0x11, 0x22, 0x33, 0x44 };
1058	return u.c;	1223	return u.u;
1059	#endif	1224	#endif
1060	}	1225	}
1061		1226
1062	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1227	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1063	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1228	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1064	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1229	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1065	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1230	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1066		1231
1067	#if ECB_GCC_VERSION(3,0) || ECB_C99	1232	#if ECB_GCC_VERSION(3,0) || ECB_C99
1068	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1233	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1069	#else	1234	#else
1070	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1235	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1071	#endif	1236	#endif
1072		1237
1073	#if __cplusplus	1238	#if ECB_CPP
1074	template<typename T>	1239	template<typename T>
1075	static inline T ecb_div_rd (T val, T div)	1240	static inline T ecb_div_rd (T val, T div)
1076	{	1241	{
1077	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1242	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1078	}	1243	}
…		…
1095	}	1260	}
1096	#else	1261	#else
1097	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1262	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1098	#endif	1263	#endif
1099		1264
		1265	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1266	ecb_function_ ecb_const uint32_t
		1267	ecb_binary16_to_binary32 (uint32_t x)
		1268	{
		1269	unsigned int s = (x & 0x8000) << (31 - 15);
		1270	int e = (x >> 10) & 0x001f;
		1271	unsigned int m = x & 0x03ff;
		1272
		1273	if (ecb_expect_false (e == 31))
		1274	/* infinity or NaN */
		1275	e = 255 - (127 - 15);
		1276	else if (ecb_expect_false (!e))
		1277	{
		1278	if (ecb_expect_true (!m))
		1279	/* zero, handled by code below by forcing e to 0 */
		1280	e = 0 - (127 - 15);
		1281	else
		1282	{
		1283	/* subnormal, renormalise */
		1284	unsigned int s = 10 - ecb_ld32 (m);
		1285
		1286	m = (m << s) & 0x3ff; /* mask implicit bit */
		1287	e -= s - 1;
		1288	}
		1289	}
		1290
		1291	/* e and m now are normalised, or zero, (or inf or nan) */
		1292	e += 127 - 15;
		1293
		1294	return s | (e << 23) | (m << (23 - 10));
		1295	}
		1296
		1297	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1298	ecb_function_ ecb_const uint16_t
		1299	ecb_binary32_to_binary16 (uint32_t x)
		1300	{
		1301	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1302	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1303	unsigned int m = x & 0x007fffff;
		1304
		1305	x &= 0x7fffffff;
		1306
		1307	/* if it's within range of binary16 normals, use fast path */
		1308	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1309	{
		1310	/* mantissa round-to-even */
		1311	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1312
		1313	/* handle overflow */
		1314	if (ecb_expect_false (m >= 0x00800000))
		1315	{
		1316	m >>= 1;
		1317	e += 1;
		1318	}
		1319
		1320	return s | (e << 10) | (m >> (23 - 10));
		1321	}
		1322
		1323	/* handle large numbers and infinity */
		1324	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1325	return s | 0x7c00;
		1326
		1327	/* handle zero, subnormals and small numbers */
		1328	if (ecb_expect_true (x < 0x38800000))
		1329	{
		1330	/* zero */
		1331	if (ecb_expect_true (!x))
		1332	return s;
		1333
		1334	/* handle subnormals */
		1335
		1336	/* too small, will be zero */
		1337	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1338	return s;
		1339
		1340	m |= 0x00800000; /* make implicit bit explicit */
		1341
		1342	/* very tricky - we need to round to the nearest e (+10) bit value */
		1343	{
		1344	unsigned int bits = 14 - e;
		1345	unsigned int half = (1 << (bits - 1)) - 1;
		1346	unsigned int even = (m >> bits) & 1;
		1347
		1348	/* if this overflows, we will end up with a normalised number */
		1349	m = (m + half + even) >> bits;
		1350	}
		1351
		1352	return s | m;
		1353	}
		1354
		1355	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1356	m >>= 13;
		1357
		1358	return s | 0x7c00 | m | !m;
		1359	}
		1360
1100	/*******************************************************************************/	1361	/*******************************************************************************/
1101	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1362	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1102		1363
1103	/* basically, everything uses "ieee pure-endian" floating point numbers */	1364	/* basically, everything uses "ieee pure-endian" floating point numbers */
1104	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1365	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1105	#if 0 \	1366	#if 0 \
1106	|| __i386 || __i386__ \	1367	|| __i386 || __i386__ \
1107	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1368	|| ECB_GCC_AMD64 \
1108	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1369	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1109	|| defined __s390__ || defined __s390x__ \	1370	|| defined __s390__ || defined __s390x__ \
1110	|| defined __mips__ \	1371	|| defined __mips__ \
1111	|| defined __alpha__ \	1372	|| defined __alpha__ \
1112	|| defined __hppa__ \	1373	|| defined __hppa__ \
1113	|| defined __ia64__ \	1374	|| defined __ia64__ \
1114	|| defined __m68k__ \	1375	|| defined __m68k__ \
1115	|| defined __m88k__ \	1376	|| defined __m88k__ \
1116	|| defined __sh__ \	1377	|| defined __sh__ \
1117	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1378	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1118	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \	1379	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1119	|| defined __aarch64__	1380	|| defined __aarch64__
1120	#define ECB_STDFP 1	1381	#define ECB_STDFP 1
1121	#include <string.h> /* for memcpy */	1382	#include <string.h> /* for memcpy */
1122	#else	1383	#else
…		…
1138	#define ECB_NAN NAN	1399	#define ECB_NAN NAN
1139	#else	1400	#else
1140	#define ECB_NAN ECB_INFINITY	1401	#define ECB_NAN ECB_INFINITY
1141	#endif	1402	#endif
1142		1403
1143	/* converts an ieee half/binary16 to a float */	1404	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1144	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1405	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1145	ecb_function_ float	1406	#define ecb_frexpf(x,e) frexpf ((x), (e))
1146	ecb_binary16_to_float (uint16_t x)	1407	#else
1147	{	1408	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1148	int e = (x >> 10) & 0x1f;	1409	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1149	int m = x & 0x3ff;	1410	#endif
1150	float r;
1151
1152	if (!e ) r = ldexpf (m , -24);
1153	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1154	else if (m ) r = ECB_NAN;
1155	else r = ECB_INFINITY;
1156
1157	return x & 0x8000 ? -r : r;
1158	}
1159		1411
1160	/* convert a float to ieee single/binary32 */	1412	/* convert a float to ieee single/binary32 */
1161	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1413	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1162	ecb_function_ uint32_t	1414	ecb_function_ ecb_const uint32_t
1163	ecb_float_to_binary32 (float x)	1415	ecb_float_to_binary32 (float x)
1164	{	1416	{
1165	uint32_t r;	1417	uint32_t r;
1166		1418
1167	#if ECB_STDFP	1419	#if ECB_STDFP
…		…
1174	if (x == 0e0f ) return 0x00000000U;	1426	if (x == 0e0f ) return 0x00000000U;
1175	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1427	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1176	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1428	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1177	if (x != x ) return 0x7fbfffffU;	1429	if (x != x ) return 0x7fbfffffU;
1178		1430
1179	m = frexpf (x, &e) * 0x1000000U;	1431	m = ecb_frexpf (x, &e) * 0x1000000U;
1180		1432
1181	r = m & 0x80000000U;	1433	r = m & 0x80000000U;
1182		1434
1183	if (r)	1435	if (r)
1184	m = -m;	1436	m = -m;
…		…
1196		1448
1197	return r;	1449	return r;
1198	}	1450	}
1199		1451
1200	/* converts an ieee single/binary32 to a float */	1452	/* converts an ieee single/binary32 to a float */
1201	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1453	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1202	ecb_function_ float	1454	ecb_function_ ecb_const float
1203	ecb_binary32_to_float (uint32_t x)	1455	ecb_binary32_to_float (uint32_t x)
1204	{	1456	{
1205	float r;	1457	float r;
1206		1458
1207	#if ECB_STDFP	1459	#if ECB_STDFP
…		…
1217	x |= 0x800000U;	1469	x |= 0x800000U;
1218	else	1470	else
1219	e = 1;	1471	e = 1;
1220		1472
1221	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1473	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1222	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1474	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1223		1475
1224	r = neg ? -r : r;	1476	r = neg ? -r : r;
1225	#endif	1477	#endif
1226		1478
1227	return r;	1479	return r;
1228	}	1480	}
1229		1481
1230	/* convert a double to ieee double/binary64 */	1482	/* convert a double to ieee double/binary64 */
1231	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1483	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1232	ecb_function_ uint64_t	1484	ecb_function_ ecb_const uint64_t
1233	ecb_double_to_binary64 (double x)	1485	ecb_double_to_binary64 (double x)
1234	{	1486	{
1235	uint64_t r;	1487	uint64_t r;
1236		1488
1237	#if ECB_STDFP	1489	#if ECB_STDFP
…		…
1266		1518
1267	return r;	1519	return r;
1268	}	1520	}
1269		1521
1270	/* converts an ieee double/binary64 to a double */	1522	/* converts an ieee double/binary64 to a double */
1271	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1523	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1272	ecb_function_ double	1524	ecb_function_ ecb_const double
1273	ecb_binary64_to_double (uint64_t x)	1525	ecb_binary64_to_double (uint64_t x)
1274	{	1526	{
1275	double r;	1527	double r;
1276		1528
1277	#if ECB_STDFP	1529	#if ECB_STDFP
…		…
1295	#endif	1547	#endif
1296		1548
1297	return r;	1549	return r;
1298	}	1550	}
1299		1551
		1552	/* convert a float to ieee half/binary16 */
		1553	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1554	ecb_function_ ecb_const uint16_t
		1555	ecb_float_to_binary16 (float x)
		1556	{
		1557	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1558	}
		1559
		1560	/* convert an ieee half/binary16 to float */
		1561	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1562	ecb_function_ ecb_const float
		1563	ecb_binary16_to_float (uint16_t x)
		1564	{
		1565	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1566	}
		1567
1300	#endif	1568	#endif
1301		1569
1302	#endif	1570	#endif
1303		1571
1304	/* ECB.H END */	1572	/* ECB.H END */
1305		1573
1306	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1574	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1307	/* if your architecture doesn't need memory fences, e.g. because it is	1575	/* if your architecture doesn't need memory fences, e.g. because it is
1308	* single-cpu/core, or if you use libev in a project that doesn't use libev	1576	* single-cpu/core, or if you use libev in a project that doesn't use libev
1309	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1577	* from multiple threads, then you can define ECB_NO_THREADS when compiling
1310	* libev, in which cases the memory fences become nops.	1578	* libev, in which cases the memory fences become nops.
1311	* alternatively, you can remove this #error and link against libpthread,	1579	* alternatively, you can remove this #error and link against libpthread,
1312	* which will then provide the memory fences.	1580	* which will then provide the memory fences.
1313	*/	1581	*/
1314	# error "memory fences not defined for your architecture, please report"	1582	# error "memory fences not defined for your architecture, please report"
…		…
1318	# define ECB_MEMORY_FENCE do { } while (0)	1586	# define ECB_MEMORY_FENCE do { } while (0)
1319	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	1587	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1320	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	1588	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1321	#endif	1589	#endif
1322		1590
1323	#define expect_false(cond) ecb_expect_false (cond)
1324	#define expect_true(cond) ecb_expect_true (cond)
1325	#define noinline ecb_noinline
1326
1327	#define inline_size ecb_inline	1591	#define inline_size ecb_inline
1328		1592
1329	#if EV_FEATURE_CODE	1593	#if EV_FEATURE_CODE
1330	# define inline_speed ecb_inline	1594	# define inline_speed ecb_inline
1331	#else	1595	#else
1332	# define inline_speed static noinline	1596	# define inline_speed ecb_noinline static
1333	#endif	1597	#endif
		1598
		1599	/*****************************************************************************/
		1600	/* raw syscall wrappers */
		1601
		1602	#if EV_NEED_SYSCALL
		1603
		1604	#include <sys/syscall.h>
		1605
		1606	/*
		1607	* define some syscall wrappers for common architectures
		1608	* this is mostly for nice looks during debugging, not performance.
		1609	* our syscalls return < 0, not == -1, on error. which is good
		1610	* enough for linux aio.
		1611	* TODO: arm is also common nowadays, maybe even mips and x86
		1612	* TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
		1613	*/
		1614	#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
		1615	/* the costly errno access probably kills this for size optimisation */
		1616
		1617	#define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5,arg6) \
		1618	({ \
		1619	long res; \
		1620	register unsigned long r6 __asm__ ("r9" ); \
		1621	register unsigned long r5 __asm__ ("r8" ); \
		1622	register unsigned long r4 __asm__ ("r10"); \
		1623	register unsigned long r3 __asm__ ("rdx"); \
		1624	register unsigned long r2 __asm__ ("rsi"); \
		1625	register unsigned long r1 __asm__ ("rdi"); \
		1626	if (narg >= 6) r6 = (unsigned long)(arg6); \
		1627	if (narg >= 5) r5 = (unsigned long)(arg5); \
		1628	if (narg >= 4) r4 = (unsigned long)(arg4); \
		1629	if (narg >= 3) r3 = (unsigned long)(arg3); \
		1630	if (narg >= 2) r2 = (unsigned long)(arg2); \
		1631	if (narg >= 1) r1 = (unsigned long)(arg1); \
		1632	__asm__ __volatile__ ( \
		1633	"syscall\n\t" \
		1634	: "=a" (res) \
		1635	: "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
		1636	: "cc", "r11", "cx", "memory"); \
		1637	errno = -res; \
		1638	res; \
		1639	})
		1640
		1641	#endif
		1642
		1643	#ifdef ev_syscall
		1644	#define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0, 0)
		1645	#define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0, 0)
		1646	#define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0, 0)
		1647	#define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0, 0)
		1648	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0, 0)
		1649	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5, 0)
		1650	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) ev_syscall (nr, 6, arg1, arg2, arg3, arg4, arg5,arg6)
		1651	#else
		1652	#define ev_syscall0(nr) syscall (nr)
		1653	#define ev_syscall1(nr,arg1) syscall (nr, arg1)
		1654	#define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
		1655	#define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
		1656	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
		1657	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
		1658	#define ev_syscall6(nr,arg1,arg2,arg3,arg4,arg5,arg6) syscall (nr, arg1, arg2, arg3, arg4, arg5,arg6)
		1659	#endif
		1660
		1661	#endif
		1662
		1663	/*****************************************************************************/
1334		1664
1335	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1665	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1336		1666
1337	#if EV_MINPRI == EV_MAXPRI	1667	#if EV_MINPRI == EV_MAXPRI
1338	# define ABSPRI(w) (((W)w), 0)	1668	# define ABSPRI(w) (((W)w), 0)
1339	#else	1669	#else
1340	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1670	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1341	#endif	1671	#endif
1342		1672
1343	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1673	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1344	#define EMPTY2(a,b) /* used to suppress some warnings */
1345		1674
1346	typedef ev_watcher *W;	1675	typedef ev_watcher *W;
1347	typedef ev_watcher_list *WL;	1676	typedef ev_watcher_list *WL;
1348	typedef ev_watcher_time *WT;	1677	typedef ev_watcher_time *WT;
1349		1678
…		…
1374	# include "ev_win32.c"	1703	# include "ev_win32.c"
1375	#endif	1704	#endif
1376		1705
1377	/*****************************************************************************/	1706	/*****************************************************************************/
1378		1707
		1708	#if EV_USE_LINUXAIO
		1709	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1710	#endif
		1711
1379	/* define a suitable floor function (only used by periodics atm) */	1712	/* define a suitable floor function (only used by periodics atm) */
1380		1713
1381	#if EV_USE_FLOOR	1714	#if EV_USE_FLOOR
1382	# include <math.h>	1715	# include <math.h>
1383	# define ev_floor(v) floor (v)	1716	# define ev_floor(v) floor (v)
1384	#else	1717	#else
1385		1718
1386	#include <float.h>	1719	#include <float.h>
1387		1720
1388	/* a floor() replacement function, should be independent of ev_tstamp type */	1721	/* a floor() replacement function, should be independent of ev_tstamp type */
		1722	ecb_noinline
1389	static ev_tstamp noinline	1723	static ev_tstamp
1390	ev_floor (ev_tstamp v)	1724	ev_floor (ev_tstamp v)
1391	{	1725	{
1392	/* the choice of shift factor is not terribly important */	1726	/* the choice of shift factor is not terribly important */
1393	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1727	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1394	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1728	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1395	#else	1729	#else
1396	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;	1730	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1397	#endif	1731	#endif
1398		1732
		1733	/* special treatment for negative arguments */
		1734	if (ecb_expect_false (v < 0.))
		1735	{
		1736	ev_tstamp f = -ev_floor (-v);
		1737
		1738	return f - (f == v ? 0 : 1);
		1739	}
		1740
1399	/* argument too large for an unsigned long? */	1741	/* argument too large for an unsigned long? then reduce it */
1400	if (expect_false (v >= shift))	1742	if (ecb_expect_false (v >= shift))
1401	{	1743	{
1402	ev_tstamp f;	1744	ev_tstamp f;
1403		1745
1404	if (v == v - 1.)	1746	if (v == v - 1.)
1405	return v; /* very large number */	1747	return v; /* very large numbers are assumed to be integer */
1406		1748
1407	f = shift * ev_floor (v * (1. / shift));	1749	f = shift * ev_floor (v * (1. / shift));
1408	return f + ev_floor (v - f);	1750	return f + ev_floor (v - f);
1409	}	1751	}
1410		1752
1411	/* special treatment for negative args? */
1412	if (expect_false (v < 0.))
1413	{
1414	ev_tstamp f = -ev_floor (-v);
1415
1416	return f - (f == v ? 0 : 1);
1417	}
1418
1419	/* fits into an unsigned long */	1753	/* fits into an unsigned long */
1420	return (unsigned long)v;	1754	return (unsigned long)v;
1421	}	1755	}
1422		1756
1423	#endif	1757	#endif
…		…
1426		1760
1427	#ifdef __linux	1761	#ifdef __linux
1428	# include <sys/utsname.h>	1762	# include <sys/utsname.h>
1429	#endif	1763	#endif
1430		1764
1431	static unsigned int noinline ecb_cold	1765	ecb_noinline ecb_cold
		1766	static unsigned int
1432	ev_linux_version (void)	1767	ev_linux_version (void)
1433	{	1768	{
1434	#ifdef __linux	1769	#ifdef __linux
1435	unsigned int v = 0;	1770	unsigned int v = 0;
1436	struct utsname buf;	1771	struct utsname buf;
…		…
1465	}	1800	}
1466		1801
1467	/*****************************************************************************/	1802	/*****************************************************************************/
1468		1803
1469	#if EV_AVOID_STDIO	1804	#if EV_AVOID_STDIO
1470	static void noinline ecb_cold	1805	ecb_noinline ecb_cold
		1806	static void
1471	ev_printerr (const char *msg)	1807	ev_printerr (const char *msg)
1472	{	1808	{
1473	write (STDERR_FILENO, msg, strlen (msg));	1809	write (STDERR_FILENO, msg, strlen (msg));
1474	}	1810	}
1475	#endif	1811	#endif
1476		1812
1477	static void (*syserr_cb)(const char *msg) EV_THROW;	1813	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1478		1814
1479	void ecb_cold	1815	ecb_cold
		1816	void
1480	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1817	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1481	{	1818	{
1482	syserr_cb = cb;	1819	syserr_cb = cb;
1483	}	1820	}
1484		1821
1485	static void noinline ecb_cold	1822	ecb_noinline ecb_cold
		1823	static void
1486	ev_syserr (const char *msg)	1824	ev_syserr (const char *msg)
1487	{	1825	{
1488	if (!msg)	1826	if (!msg)
1489	msg = "(libev) system error";	1827	msg = "(libev) system error";
1490		1828
…		…
1503	abort ();	1841	abort ();
1504	}	1842	}
1505	}	1843	}
1506		1844
1507	static void *	1845	static void *
1508	ev_realloc_emul (void *ptr, long size) EV_THROW	1846	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1509	{	1847	{
1510	/* some systems, notably openbsd and darwin, fail to properly	1848	/* some systems, notably openbsd and darwin, fail to properly
1511	* implement realloc (x, 0) (as required by both ansi c-89 and	1849	* implement realloc (x, 0) (as required by both ansi c-89 and
1512	* the single unix specification, so work around them here.	1850	* the single unix specification, so work around them here.
1513	* recently, also (at least) fedora and debian started breaking it,	1851	* recently, also (at least) fedora and debian started breaking it,
…		…
1519		1857
1520	free (ptr);	1858	free (ptr);
1521	return 0;	1859	return 0;
1522	}	1860	}
1523		1861
1524	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1862	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1525		1863
1526	void ecb_cold	1864	ecb_cold
		1865	void
1527	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1866	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1528	{	1867	{
1529	alloc = cb;	1868	alloc = cb;
1530	}	1869	}
1531		1870
1532	inline_speed void *	1871	inline_speed void *
…		…
1559	typedef struct	1898	typedef struct
1560	{	1899	{
1561	WL head;	1900	WL head;
1562	unsigned char events; /* the events watched for */	1901	unsigned char events; /* the events watched for */
1563	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1902	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1564	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1903	unsigned char emask; /* some backends store the actual kernel mask in here */
1565	unsigned char unused;	1904	unsigned char eflags; /* flags field for use by backends */
1566	#if EV_USE_EPOLL	1905	#if EV_USE_EPOLL
1567	unsigned int egen; /* generation counter to counter epoll bugs */	1906	unsigned int egen; /* generation counter to counter epoll bugs */
1568	#endif	1907	#endif
1569	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1908	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
1570	SOCKET handle;	1909	SOCKET handle;
…		…
1634	static int ev_default_loop_ptr;	1973	static int ev_default_loop_ptr;
1635		1974
1636	#endif	1975	#endif
1637		1976
1638	#if EV_FEATURE_API	1977	#if EV_FEATURE_API
1639	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	1978	# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1640	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	1979	# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1641	# define EV_INVOKE_PENDING invoke_cb (EV_A)	1980	# define EV_INVOKE_PENDING invoke_cb (EV_A)
1642	#else	1981	#else
1643	# define EV_RELEASE_CB (void)0	1982	# define EV_RELEASE_CB (void)0
1644	# define EV_ACQUIRE_CB (void)0	1983	# define EV_ACQUIRE_CB (void)0
1645	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	1984	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
…		…
1649		1988
1650	/*****************************************************************************/	1989	/*****************************************************************************/
1651		1990
1652	#ifndef EV_HAVE_EV_TIME	1991	#ifndef EV_HAVE_EV_TIME
1653	ev_tstamp	1992	ev_tstamp
1654	ev_time (void) EV_THROW	1993	ev_time (void) EV_NOEXCEPT
1655	{	1994	{
1656	#if EV_USE_REALTIME	1995	#if EV_USE_REALTIME
1657	if (expect_true (have_realtime))	1996	if (ecb_expect_true (have_realtime))
1658	{	1997	{
1659	struct timespec ts;	1998	struct timespec ts;
1660	clock_gettime (CLOCK_REALTIME, &ts);	1999	clock_gettime (CLOCK_REALTIME, &ts);
1661	return ts.tv_sec + ts.tv_nsec * 1e-9;	2000	return EV_TS_GET (ts);
1662	}	2001	}
1663	#endif	2002	#endif
1664		2003
1665	struct timeval tv;	2004	struct timeval tv;
1666	gettimeofday (&tv, 0);	2005	gettimeofday (&tv, 0);
1667	return tv.tv_sec + tv.tv_usec * 1e-6;	2006	return EV_TV_GET (tv);
1668	}	2007	}
1669	#endif	2008	#endif
1670		2009
1671	inline_size ev_tstamp	2010	inline_size ev_tstamp
1672	get_clock (void)	2011	get_clock (void)
1673	{	2012	{
1674	#if EV_USE_MONOTONIC	2013	#if EV_USE_MONOTONIC
1675	if (expect_true (have_monotonic))	2014	if (ecb_expect_true (have_monotonic))
1676	{	2015	{
1677	struct timespec ts;	2016	struct timespec ts;
1678	clock_gettime (CLOCK_MONOTONIC, &ts);	2017	clock_gettime (CLOCK_MONOTONIC, &ts);
1679	return ts.tv_sec + ts.tv_nsec * 1e-9;	2018	return EV_TS_GET (ts);
1680	}	2019	}
1681	#endif	2020	#endif
1682		2021
1683	return ev_time ();	2022	return ev_time ();
1684	}	2023	}
1685		2024
1686	#if EV_MULTIPLICITY	2025	#if EV_MULTIPLICITY
1687	ev_tstamp	2026	ev_tstamp
1688	ev_now (EV_P) EV_THROW	2027	ev_now (EV_P) EV_NOEXCEPT
1689	{	2028	{
1690	return ev_rt_now;	2029	return ev_rt_now;
1691	}	2030	}
1692	#endif	2031	#endif
1693		2032
1694	void	2033	void
1695	ev_sleep (ev_tstamp delay) EV_THROW	2034	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1696	{	2035	{
1697	if (delay > 0.)	2036	if (delay > 0.)
1698	{	2037	{
1699	#if EV_USE_NANOSLEEP	2038	#if EV_USE_NANOSLEEP
1700	struct timespec ts;	2039	struct timespec ts;
1701		2040
1702	EV_TS_SET (ts, delay);	2041	EV_TS_SET (ts, delay);
1703	nanosleep (&ts, 0);	2042	nanosleep (&ts, 0);
1704	#elif defined _WIN32	2043	#elif defined _WIN32
		2044	/* maybe this should round up, as ms is very low resolution */
		2045	/* compared to select (µs) or nanosleep (ns) */
1705	Sleep ((unsigned long)(delay * 1e3));	2046	Sleep ((unsigned long)(delay * 1e3));
1706	#else	2047	#else
1707	struct timeval tv;	2048	struct timeval tv;
1708		2049
1709	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	2050	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1740	}	2081	}
1741		2082
1742	return ncur;	2083	return ncur;
1743	}	2084	}
1744		2085
1745	static void * noinline ecb_cold	2086	ecb_noinline ecb_cold
		2087	static void *
1746	array_realloc (int elem, void *base, int *cur, int cnt)	2088	array_realloc (int elem, void *base, int *cur, int cnt)
1747	{	2089	{
1748	*cur = array_nextsize (elem, *cur, cnt);	2090	*cur = array_nextsize (elem, *cur, cnt);
1749	return ev_realloc (base, elem * *cur);	2091	return ev_realloc (base, elem * *cur);
1750	}	2092	}
1751		2093
		2094	#define array_needsize_noinit(base,offset,count)
		2095
1752	#define array_init_zero(base,count) \	2096	#define array_needsize_zerofill(base,offset,count) \
1753	memset ((void *)(base), 0, sizeof (*(base)) * (count))	2097	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1754		2098
1755	#define array_needsize(type,base,cur,cnt,init) \	2099	#define array_needsize(type,base,cur,cnt,init) \
1756	if (expect_false ((cnt) > (cur))) \	2100	if (ecb_expect_false ((cnt) > (cur))) \
1757	{ \	2101	{ \
1758	int ecb_unused ocur_ = (cur); \	2102	ecb_unused int ocur_ = (cur); \
1759	(base) = (type *)array_realloc \	2103	(base) = (type *)array_realloc \
1760	(sizeof (type), (base), &(cur), (cnt)); \	2104	(sizeof (type), (base), &(cur), (cnt)); \
1761	init ((base) + (ocur_), (cur) - ocur_); \	2105	init ((base), ocur_, ((cur) - ocur_)); \
1762	}	2106	}
1763		2107
1764	#if 0	2108	#if 0
1765	#define array_slim(type,stem) \	2109	#define array_slim(type,stem) \
1766	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2110	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
…		…
1775	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2119	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1776		2120
1777	/*****************************************************************************/	2121	/*****************************************************************************/
1778		2122
1779	/* dummy callback for pending events */	2123	/* dummy callback for pending events */
1780	static void noinline	2124	ecb_noinline
		2125	static void
1781	pendingcb (EV_P_ ev_prepare *w, int revents)	2126	pendingcb (EV_P_ ev_prepare *w, int revents)
1782	{	2127	{
1783	}	2128	}
1784		2129
1785	void noinline	2130	ecb_noinline
		2131	void
1786	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2132	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1787	{	2133	{
1788	W w_ = (W)w;	2134	W w_ = (W)w;
1789	int pri = ABSPRI (w_);	2135	int pri = ABSPRI (w_);
1790		2136
1791	if (expect_false (w_->pending))	2137	if (ecb_expect_false (w_->pending))
1792	pendings [pri][w_->pending - 1].events |= revents;	2138	pendings [pri][w_->pending - 1].events |= revents;
1793	else	2139	else
1794	{	2140	{
1795	w_->pending = ++pendingcnt [pri];	2141	w_->pending = ++pendingcnt [pri];
1796	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2142	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1797	pendings [pri][w_->pending - 1].w = w_;	2143	pendings [pri][w_->pending - 1].w = w_;
1798	pendings [pri][w_->pending - 1].events = revents;	2144	pendings [pri][w_->pending - 1].events = revents;
1799	}	2145	}
1800		2146
1801	pendingpri = NUMPRI - 1;	2147	pendingpri = NUMPRI - 1;
1802	}	2148	}
1803		2149
1804	inline_speed void	2150	inline_speed void
1805	feed_reverse (EV_P_ W w)	2151	feed_reverse (EV_P_ W w)
1806	{	2152	{
1807	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2153	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1808	rfeeds [rfeedcnt++] = w;	2154	rfeeds [rfeedcnt++] = w;
1809	}	2155	}
1810		2156
1811	inline_size void	2157	inline_size void
1812	feed_reverse_done (EV_P_ int revents)	2158	feed_reverse_done (EV_P_ int revents)
…		…
1847	inline_speed void	2193	inline_speed void
1848	fd_event (EV_P_ int fd, int revents)	2194	fd_event (EV_P_ int fd, int revents)
1849	{	2195	{
1850	ANFD *anfd = anfds + fd;	2196	ANFD *anfd = anfds + fd;
1851		2197
1852	if (expect_true (!anfd->reify))	2198	if (ecb_expect_true (!anfd->reify))
1853	fd_event_nocheck (EV_A_ fd, revents);	2199	fd_event_nocheck (EV_A_ fd, revents);
1854	}	2200	}
1855		2201
1856	void	2202	void
1857	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2203	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1858	{	2204	{
1859	if (fd >= 0 && fd < anfdmax)	2205	if (fd >= 0 && fd < anfdmax)
1860	fd_event_nocheck (EV_A_ fd, revents);	2206	fd_event_nocheck (EV_A_ fd, revents);
1861	}	2207	}
1862		2208
…		…
1899	ev_io *w;	2245	ev_io *w;
1900		2246
1901	unsigned char o_events = anfd->events;	2247	unsigned char o_events = anfd->events;
1902	unsigned char o_reify = anfd->reify;	2248	unsigned char o_reify = anfd->reify;
1903		2249
1904	anfd->reify = 0;	2250	anfd->reify = 0;
1905		2251
1906	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2252	/*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1907	{	2253	{
1908	anfd->events = 0;	2254	anfd->events = 0;
1909		2255
1910	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	2256	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1911	anfd->events |= (unsigned char)w->events;	2257	anfd->events |= (unsigned char)w->events;
…		…
1920		2266
1921	fdchangecnt = 0;	2267	fdchangecnt = 0;
1922	}	2268	}
1923		2269
1924	/* something about the given fd changed */	2270	/* something about the given fd changed */
1925	inline_size void	2271	inline_size
		2272	void
1926	fd_change (EV_P_ int fd, int flags)	2273	fd_change (EV_P_ int fd, int flags)
1927	{	2274	{
1928	unsigned char reify = anfds [fd].reify;	2275	unsigned char reify = anfds [fd].reify;
1929	anfds [fd].reify |= flags;	2276	anfds [fd].reify |= flags;
1930		2277
1931	if (expect_true (!reify))	2278	if (ecb_expect_true (!reify))
1932	{	2279	{
1933	++fdchangecnt;	2280	++fdchangecnt;
1934	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2281	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1935	fdchanges [fdchangecnt - 1] = fd;	2282	fdchanges [fdchangecnt - 1] = fd;
1936	}	2283	}
1937	}	2284	}
1938		2285
1939	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2286	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1940	inline_speed void ecb_cold	2287	inline_speed ecb_cold void
1941	fd_kill (EV_P_ int fd)	2288	fd_kill (EV_P_ int fd)
1942	{	2289	{
1943	ev_io *w;	2290	ev_io *w;
1944		2291
1945	while ((w = (ev_io *)anfds [fd].head))	2292	while ((w = (ev_io *)anfds [fd].head))
…		…
1948	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2295	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1949	}	2296	}
1950	}	2297	}
1951		2298
1952	/* check whether the given fd is actually valid, for error recovery */	2299	/* check whether the given fd is actually valid, for error recovery */
1953	inline_size int ecb_cold	2300	inline_size ecb_cold int
1954	fd_valid (int fd)	2301	fd_valid (int fd)
1955	{	2302	{
1956	#ifdef _WIN32	2303	#ifdef _WIN32
1957	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2304	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1958	#else	2305	#else
1959	return fcntl (fd, F_GETFD) != -1;	2306	return fcntl (fd, F_GETFD) != -1;
1960	#endif	2307	#endif
1961	}	2308	}
1962		2309
1963	/* called on EBADF to verify fds */	2310	/* called on EBADF to verify fds */
1964	static void noinline ecb_cold	2311	ecb_noinline ecb_cold
		2312	static void
1965	fd_ebadf (EV_P)	2313	fd_ebadf (EV_P)
1966	{	2314	{
1967	int fd;	2315	int fd;
1968		2316
1969	for (fd = 0; fd < anfdmax; ++fd)	2317	for (fd = 0; fd < anfdmax; ++fd)
…		…
1971	if (!fd_valid (fd) && errno == EBADF)	2319	if (!fd_valid (fd) && errno == EBADF)
1972	fd_kill (EV_A_ fd);	2320	fd_kill (EV_A_ fd);
1973	}	2321	}
1974		2322
1975	/* called on ENOMEM in select/poll to kill some fds and retry */	2323	/* called on ENOMEM in select/poll to kill some fds and retry */
1976	static void noinline ecb_cold	2324	ecb_noinline ecb_cold
		2325	static void
1977	fd_enomem (EV_P)	2326	fd_enomem (EV_P)
1978	{	2327	{
1979	int fd;	2328	int fd;
1980		2329
1981	for (fd = anfdmax; fd--; )	2330	for (fd = anfdmax; fd--; )
…		…
1985	break;	2334	break;
1986	}	2335	}
1987	}	2336	}
1988		2337
1989	/* usually called after fork if backend needs to re-arm all fds from scratch */	2338	/* usually called after fork if backend needs to re-arm all fds from scratch */
1990	static void noinline	2339	ecb_noinline
		2340	static void
1991	fd_rearm_all (EV_P)	2341	fd_rearm_all (EV_P)
1992	{	2342	{
1993	int fd;	2343	int fd;
1994		2344
1995	for (fd = 0; fd < anfdmax; ++fd)	2345	for (fd = 0; fd < anfdmax; ++fd)
…		…
2048	ev_tstamp minat;	2398	ev_tstamp minat;
2049	ANHE *minpos;	2399	ANHE *minpos;
2050	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;	2400	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2051		2401
2052	/* find minimum child */	2402	/* find minimum child */
2053	if (expect_true (pos + DHEAP - 1 < E))	2403	if (ecb_expect_true (pos + DHEAP - 1 < E))
2054	{	2404	{
2055	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2405	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2056	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2406	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2057	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2407	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2058	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2408	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
…		…
2176		2526
2177	/*****************************************************************************/	2527	/*****************************************************************************/
2178		2528
2179	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2529	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2180		2530
2181	static void noinline ecb_cold	2531	ecb_noinline ecb_cold
		2532	static void
2182	evpipe_init (EV_P)	2533	evpipe_init (EV_P)
2183	{	2534	{
2184	if (!ev_is_active (&pipe_w))	2535	if (!ev_is_active (&pipe_w))
2185	{	2536	{
2186	int fds [2];	2537	int fds [2];
…		…
2226	inline_speed void	2577	inline_speed void
2227	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	2578	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2228	{	2579	{
2229	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */	2580	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2230		2581
2231	if (expect_true (*flag))	2582	if (ecb_expect_true (*flag))
2232	return;	2583	return;
2233		2584
2234	*flag = 1;	2585	*flag = 1;
2235	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2586	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2236		2587
…		…
2257	#endif	2608	#endif
2258	{	2609	{
2259	#ifdef _WIN32	2610	#ifdef _WIN32
2260	WSABUF buf;	2611	WSABUF buf;
2261	DWORD sent;	2612	DWORD sent;
2262	buf.buf = &buf;	2613	buf.buf = (char *)&buf;
2263	buf.len = 1;	2614	buf.len = 1;
2264	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2615	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2265	#else	2616	#else
2266	write (evpipe [1], &(evpipe [1]), 1);	2617	write (evpipe [1], &(evpipe [1]), 1);
2267	#endif	2618	#endif
…		…
2313	sig_pending = 0;	2664	sig_pending = 0;
2314		2665
2315	ECB_MEMORY_FENCE;	2666	ECB_MEMORY_FENCE;
2316		2667
2317	for (i = EV_NSIG - 1; i--; )	2668	for (i = EV_NSIG - 1; i--; )
2318	if (expect_false (signals [i].pending))	2669	if (ecb_expect_false (signals [i].pending))
2319	ev_feed_signal_event (EV_A_ i + 1);	2670	ev_feed_signal_event (EV_A_ i + 1);
2320	}	2671	}
2321	#endif	2672	#endif
2322		2673
2323	#if EV_ASYNC_ENABLE	2674	#if EV_ASYNC_ENABLE
…		…
2339	}	2690	}
2340		2691
2341	/*****************************************************************************/	2692	/*****************************************************************************/
2342		2693
2343	void	2694	void
2344	ev_feed_signal (int signum) EV_THROW	2695	ev_feed_signal (int signum) EV_NOEXCEPT
2345	{	2696	{
2346	#if EV_MULTIPLICITY	2697	#if EV_MULTIPLICITY
2347	EV_P;	2698	EV_P;
2348	ECB_MEMORY_FENCE_ACQUIRE;	2699	ECB_MEMORY_FENCE_ACQUIRE;
2349	EV_A = signals [signum - 1].loop;	2700	EV_A = signals [signum - 1].loop;
…		…
2364	#endif	2715	#endif
2365		2716
2366	ev_feed_signal (signum);	2717	ev_feed_signal (signum);
2367	}	2718	}
2368		2719
2369	void noinline	2720	ecb_noinline
		2721	void
2370	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2722	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2371	{	2723	{
2372	WL w;	2724	WL w;
2373		2725
2374	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2726	if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2375	return;	2727	return;
2376		2728
2377	--signum;	2729	--signum;
2378		2730
2379	#if EV_MULTIPLICITY	2731	#if EV_MULTIPLICITY
2380	/* it is permissible to try to feed a signal to the wrong loop */	2732	/* it is permissible to try to feed a signal to the wrong loop */
2381	/* or, likely more useful, feeding a signal nobody is waiting for */	2733	/* or, likely more useful, feeding a signal nobody is waiting for */
2382		2734
2383	if (expect_false (signals [signum].loop != EV_A))	2735	if (ecb_expect_false (signals [signum].loop != EV_A))
2384	return;	2736	return;
2385	#endif	2737	#endif
2386		2738
2387	signals [signum].pending = 0;	2739	signals [signum].pending = 0;
2388	ECB_MEMORY_FENCE_RELEASE;	2740	ECB_MEMORY_FENCE_RELEASE;
…		…
2484	# include "ev_kqueue.c"	2836	# include "ev_kqueue.c"
2485	#endif	2837	#endif
2486	#if EV_USE_EPOLL	2838	#if EV_USE_EPOLL
2487	# include "ev_epoll.c"	2839	# include "ev_epoll.c"
2488	#endif	2840	#endif
		2841	#if EV_USE_LINUXAIO
		2842	# include "ev_linuxaio.c"
		2843	#endif
		2844	#if EV_USE_IOURING
		2845	# include "ev_iouring.c"
		2846	#endif
2489	#if EV_USE_POLL	2847	#if EV_USE_POLL
2490	# include "ev_poll.c"	2848	# include "ev_poll.c"
2491	#endif	2849	#endif
2492	#if EV_USE_SELECT	2850	#if EV_USE_SELECT
2493	# include "ev_select.c"	2851	# include "ev_select.c"
2494	#endif	2852	#endif
2495		2853
2496	int ecb_cold	2854	ecb_cold int
2497	ev_version_major (void) EV_THROW	2855	ev_version_major (void) EV_NOEXCEPT
2498	{	2856	{
2499	return EV_VERSION_MAJOR;	2857	return EV_VERSION_MAJOR;
2500	}	2858	}
2501		2859
2502	int ecb_cold	2860	ecb_cold int
2503	ev_version_minor (void) EV_THROW	2861	ev_version_minor (void) EV_NOEXCEPT
2504	{	2862	{
2505	return EV_VERSION_MINOR;	2863	return EV_VERSION_MINOR;
2506	}	2864	}
2507		2865
2508	/* return true if we are running with elevated privileges and should ignore env variables */	2866	/* return true if we are running with elevated privileges and should ignore env variables */
2509	int inline_size ecb_cold	2867	inline_size ecb_cold int
2510	enable_secure (void)	2868	enable_secure (void)
2511	{	2869	{
2512	#ifdef _WIN32	2870	#ifdef _WIN32
2513	return 0;	2871	return 0;
2514	#else	2872	#else
2515	return getuid () != geteuid ()	2873	return getuid () != geteuid ()
2516	|| getgid () != getegid ();	2874	|| getgid () != getegid ();
2517	#endif	2875	#endif
2518	}	2876	}
2519		2877
2520	unsigned int ecb_cold	2878	ecb_cold
		2879	unsigned int
2521	ev_supported_backends (void) EV_THROW	2880	ev_supported_backends (void) EV_NOEXCEPT
2522	{	2881	{
2523	unsigned int flags = 0;	2882	unsigned int flags = 0;
2524		2883
2525	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2884	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2526	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2885	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2527	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2886	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2887	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
		2888	if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2528	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2889	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2529	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2890	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2530		2891
2531	return flags;	2892	return flags;
2532	}	2893	}
2533		2894
2534	unsigned int ecb_cold	2895	ecb_cold
		2896	unsigned int
2535	ev_recommended_backends (void) EV_THROW	2897	ev_recommended_backends (void) EV_NOEXCEPT
2536	{	2898	{
2537	unsigned int flags = ev_supported_backends ();	2899	unsigned int flags = ev_supported_backends ();
2538		2900
2539	#ifndef __NetBSD__	2901	#ifndef __NetBSD__
2540	/* kqueue is borked on everything but netbsd apparently */	2902	/* kqueue is borked on everything but netbsd apparently */
…		…
2548	#endif	2910	#endif
2549	#ifdef __FreeBSD__	2911	#ifdef __FreeBSD__
2550	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2912	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2551	#endif	2913	#endif
2552		2914
		2915	/* TODO: linuxaio is very experimental */
		2916	#if !EV_RECOMMEND_LINUXAIO
		2917	flags &= ~EVBACKEND_LINUXAIO;
		2918	#endif
		2919	/* TODO: linuxaio is super experimental */
		2920	#if !EV_RECOMMEND_IOURING
		2921	flags &= ~EVBACKEND_IOURING;
		2922	#endif
		2923
2553	return flags;	2924	return flags;
2554	}	2925	}
2555		2926
2556	unsigned int ecb_cold	2927	ecb_cold
		2928	unsigned int
2557	ev_embeddable_backends (void) EV_THROW	2929	ev_embeddable_backends (void) EV_NOEXCEPT
2558	{	2930	{
2559	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2931	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2560		2932
2561	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2933	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2562	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2934	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2563	flags &= ~EVBACKEND_EPOLL;	2935	flags &= ~EVBACKEND_EPOLL;
2564		2936
		2937	/* EVBACKEND_LINUXAIO is theoretically embeddable, but suffers from a performance overhead */
		2938
		2939	/* EVBACKEND_IOURING is practically embeddable, but the current implementation is not
		2940	* because our backend_fd is the epoll fd we need as fallback.
		2941	* if the kernel ever is fixed, this might change...
		2942	*/
		2943
2565	return flags;	2944	return flags;
2566	}	2945	}
2567		2946
2568	unsigned int	2947	unsigned int
2569	ev_backend (EV_P) EV_THROW	2948	ev_backend (EV_P) EV_NOEXCEPT
2570	{	2949	{
2571	return backend;	2950	return backend;
2572	}	2951	}
2573		2952
2574	#if EV_FEATURE_API	2953	#if EV_FEATURE_API
2575	unsigned int	2954	unsigned int
2576	ev_iteration (EV_P) EV_THROW	2955	ev_iteration (EV_P) EV_NOEXCEPT
2577	{	2956	{
2578	return loop_count;	2957	return loop_count;
2579	}	2958	}
2580		2959
2581	unsigned int	2960	unsigned int
2582	ev_depth (EV_P) EV_THROW	2961	ev_depth (EV_P) EV_NOEXCEPT
2583	{	2962	{
2584	return loop_depth;	2963	return loop_depth;
2585	}	2964	}
2586		2965
2587	void	2966	void
2588	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2967	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2589	{	2968	{
2590	io_blocktime = interval;	2969	io_blocktime = interval;
2591	}	2970	}
2592		2971
2593	void	2972	void
2594	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2973	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2595	{	2974	{
2596	timeout_blocktime = interval;	2975	timeout_blocktime = interval;
2597	}	2976	}
2598		2977
2599	void	2978	void
2600	ev_set_userdata (EV_P_ void *data) EV_THROW	2979	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2601	{	2980	{
2602	userdata = data;	2981	userdata = data;
2603	}	2982	}
2604		2983
2605	void *	2984	void *
2606	ev_userdata (EV_P) EV_THROW	2985	ev_userdata (EV_P) EV_NOEXCEPT
2607	{	2986	{
2608	return userdata;	2987	return userdata;
2609	}	2988	}
2610		2989
2611	void	2990	void
2612	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2991	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2613	{	2992	{
2614	invoke_cb = invoke_pending_cb;	2993	invoke_cb = invoke_pending_cb;
2615	}	2994	}
2616		2995
2617	void	2996	void
2618	ev_set_loop_release_cb (EV_P_ ev_loop_callback release EV_THROW, ev_loop_callback acquire EV_THROW) EV_THROW	2997	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2619	{	2998	{
2620	release_cb = release;	2999	release_cb = release;
2621	acquire_cb = acquire;	3000	acquire_cb = acquire;
2622	}	3001	}
2623	#endif	3002	#endif
2624		3003
2625	/* initialise a loop structure, must be zero-initialised */	3004	/* initialise a loop structure, must be zero-initialised */
2626	static void noinline ecb_cold	3005	ecb_noinline ecb_cold
		3006	static void
2627	loop_init (EV_P_ unsigned int flags) EV_THROW	3007	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2628	{	3008	{
2629	if (!backend)	3009	if (!backend)
2630	{	3010	{
2631	origflags = flags;	3011	origflags = flags;
2632		3012
…		…
2690		3070
2691	if (!(flags & EVBACKEND_MASK))	3071	if (!(flags & EVBACKEND_MASK))
2692	flags |= ev_recommended_backends ();	3072	flags |= ev_recommended_backends ();
2693		3073
2694	#if EV_USE_IOCP	3074	#if EV_USE_IOCP
2695	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	3075	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2696	#endif	3076	#endif
2697	#if EV_USE_PORT	3077	#if EV_USE_PORT
2698	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	3078	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2699	#endif	3079	#endif
2700	#if EV_USE_KQUEUE	3080	#if EV_USE_KQUEUE
2701	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	3081	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		3082	#endif
		3083	#if EV_USE_IOURING
		3084	if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
		3085	#endif
		3086	#if EV_USE_LINUXAIO
		3087	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2702	#endif	3088	#endif
2703	#if EV_USE_EPOLL	3089	#if EV_USE_EPOLL
2704	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	3090	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2705	#endif	3091	#endif
2706	#if EV_USE_POLL	3092	#if EV_USE_POLL
2707	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	3093	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2708	#endif	3094	#endif
2709	#if EV_USE_SELECT	3095	#if EV_USE_SELECT
2710	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	3096	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2711	#endif	3097	#endif
2712		3098
2713	ev_prepare_init (&pending_w, pendingcb);	3099	ev_prepare_init (&pending_w, pendingcb);
2714		3100
2715	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3101	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2718	#endif	3104	#endif
2719	}	3105	}
2720	}	3106	}
2721		3107
2722	/* free up a loop structure */	3108	/* free up a loop structure */
2723	void ecb_cold	3109	ecb_cold
		3110	void
2724	ev_loop_destroy (EV_P)	3111	ev_loop_destroy (EV_P)
2725	{	3112	{
2726	int i;	3113	int i;
2727		3114
2728	#if EV_MULTIPLICITY	3115	#if EV_MULTIPLICITY
…		…
2731	return;	3118	return;
2732	#endif	3119	#endif
2733		3120
2734	#if EV_CLEANUP_ENABLE	3121	#if EV_CLEANUP_ENABLE
2735	/* queue cleanup watchers (and execute them) */	3122	/* queue cleanup watchers (and execute them) */
2736	if (expect_false (cleanupcnt))	3123	if (ecb_expect_false (cleanupcnt))
2737	{	3124	{
2738	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);	3125	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2739	EV_INVOKE_PENDING;	3126	EV_INVOKE_PENDING;
2740	}	3127	}
2741	#endif	3128	#endif
…		…
2769		3156
2770	if (backend_fd >= 0)	3157	if (backend_fd >= 0)
2771	close (backend_fd);	3158	close (backend_fd);
2772		3159
2773	#if EV_USE_IOCP	3160	#if EV_USE_IOCP
2774	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3161	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2775	#endif	3162	#endif
2776	#if EV_USE_PORT	3163	#if EV_USE_PORT
2777	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3164	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2778	#endif	3165	#endif
2779	#if EV_USE_KQUEUE	3166	#if EV_USE_KQUEUE
2780	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3167	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3168	#endif
		3169	#if EV_USE_IOURING
		3170	if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
		3171	#endif
		3172	#if EV_USE_LINUXAIO
		3173	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2781	#endif	3174	#endif
2782	#if EV_USE_EPOLL	3175	#if EV_USE_EPOLL
2783	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3176	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2784	#endif	3177	#endif
2785	#if EV_USE_POLL	3178	#if EV_USE_POLL
2786	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3179	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2787	#endif	3180	#endif
2788	#if EV_USE_SELECT	3181	#if EV_USE_SELECT
2789	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3182	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2790	#endif	3183	#endif
2791		3184
2792	for (i = NUMPRI; i--; )	3185	for (i = NUMPRI; i--; )
2793	{	3186	{
2794	array_free (pending, [i]);	3187	array_free (pending, [i]);
…		…
2836		3229
2837	inline_size void	3230	inline_size void
2838	loop_fork (EV_P)	3231	loop_fork (EV_P)
2839	{	3232	{
2840	#if EV_USE_PORT	3233	#if EV_USE_PORT
2841	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3234	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2842	#endif	3235	#endif
2843	#if EV_USE_KQUEUE	3236	#if EV_USE_KQUEUE
2844	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3237	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3238	#endif
		3239	#if EV_USE_IOURING
		3240	if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
		3241	#endif
		3242	#if EV_USE_LINUXAIO
		3243	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2845	#endif	3244	#endif
2846	#if EV_USE_EPOLL	3245	#if EV_USE_EPOLL
2847	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3246	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2848	#endif	3247	#endif
2849	#if EV_USE_INOTIFY	3248	#if EV_USE_INOTIFY
2850	infy_fork (EV_A);	3249	infy_fork (EV_A);
2851	#endif	3250	#endif
2852		3251
2853	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3252	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2854	if (ev_is_active (&pipe_w))	3253	if (ev_is_active (&pipe_w) && postfork != 2)
2855	{	3254	{
2856	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3255	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2857		3256
2858	ev_ref (EV_A);	3257	ev_ref (EV_A);
2859	ev_io_stop (EV_A_ &pipe_w);	3258	ev_io_stop (EV_A_ &pipe_w);
…		…
2870	postfork = 0;	3269	postfork = 0;
2871	}	3270	}
2872		3271
2873	#if EV_MULTIPLICITY	3272	#if EV_MULTIPLICITY
2874		3273
		3274	ecb_cold
2875	struct ev_loop * ecb_cold	3275	struct ev_loop *
2876	ev_loop_new (unsigned int flags) EV_THROW	3276	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2877	{	3277	{
2878	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3278	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2879		3279
2880	memset (EV_A, 0, sizeof (struct ev_loop));	3280	memset (EV_A, 0, sizeof (struct ev_loop));
2881	loop_init (EV_A_ flags);	3281	loop_init (EV_A_ flags);
…		…
2888	}	3288	}
2889		3289
2890	#endif /* multiplicity */	3290	#endif /* multiplicity */
2891		3291
2892	#if EV_VERIFY	3292	#if EV_VERIFY
2893	static void noinline ecb_cold	3293	ecb_noinline ecb_cold
		3294	static void
2894	verify_watcher (EV_P_ W w)	3295	verify_watcher (EV_P_ W w)
2895	{	3296	{
2896	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3297	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2897		3298
2898	if (w->pending)	3299	if (w->pending)
2899	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3300	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2900	}	3301	}
2901		3302
2902	static void noinline ecb_cold	3303	ecb_noinline ecb_cold
		3304	static void
2903	verify_heap (EV_P_ ANHE *heap, int N)	3305	verify_heap (EV_P_ ANHE *heap, int N)
2904	{	3306	{
2905	int i;	3307	int i;
2906		3308
2907	for (i = HEAP0; i < N + HEAP0; ++i)	3309	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2912		3314
2913	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3315	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2914	}	3316	}
2915	}	3317	}
2916		3318
2917	static void noinline ecb_cold	3319	ecb_noinline ecb_cold
		3320	static void
2918	array_verify (EV_P_ W *ws, int cnt)	3321	array_verify (EV_P_ W *ws, int cnt)
2919	{	3322	{
2920	while (cnt--)	3323	while (cnt--)
2921	{	3324	{
2922	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3325	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2925	}	3328	}
2926	#endif	3329	#endif
2927		3330
2928	#if EV_FEATURE_API	3331	#if EV_FEATURE_API
2929	void ecb_cold	3332	void ecb_cold
2930	ev_verify (EV_P) EV_THROW	3333	ev_verify (EV_P) EV_NOEXCEPT
2931	{	3334	{
2932	#if EV_VERIFY	3335	#if EV_VERIFY
2933	int i;	3336	int i;
2934	WL w, w2;	3337	WL w, w2;
2935		3338
…		…
3011	#endif	3414	#endif
3012	}	3415	}
3013	#endif	3416	#endif
3014		3417
3015	#if EV_MULTIPLICITY	3418	#if EV_MULTIPLICITY
		3419	ecb_cold
3016	struct ev_loop * ecb_cold	3420	struct ev_loop *
3017	#else	3421	#else
3018	int	3422	int
3019	#endif	3423	#endif
3020	ev_default_loop (unsigned int flags) EV_THROW	3424	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3021	{	3425	{
3022	if (!ev_default_loop_ptr)	3426	if (!ev_default_loop_ptr)
3023	{	3427	{
3024	#if EV_MULTIPLICITY	3428	#if EV_MULTIPLICITY
3025	EV_P = ev_default_loop_ptr = &default_loop_struct;	3429	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3044		3448
3045	return ev_default_loop_ptr;	3449	return ev_default_loop_ptr;
3046	}	3450	}
3047		3451
3048	void	3452	void
3049	ev_loop_fork (EV_P) EV_THROW	3453	ev_loop_fork (EV_P) EV_NOEXCEPT
3050	{	3454	{
3051	postfork = 1;	3455	postfork = 1;
3052	}	3456	}
3053		3457
3054	/*****************************************************************************/	3458	/*****************************************************************************/
…		…
3058	{	3462	{
3059	EV_CB_INVOKE ((W)w, revents);	3463	EV_CB_INVOKE ((W)w, revents);
3060	}	3464	}
3061		3465
3062	unsigned int	3466	unsigned int
3063	ev_pending_count (EV_P) EV_THROW	3467	ev_pending_count (EV_P) EV_NOEXCEPT
3064	{	3468	{
3065	int pri;	3469	int pri;
3066	unsigned int count = 0;	3470	unsigned int count = 0;
3067		3471
3068	for (pri = NUMPRI; pri--; )	3472	for (pri = NUMPRI; pri--; )
3069	count += pendingcnt [pri];	3473	count += pendingcnt [pri];
3070		3474
3071	return count;	3475	return count;
3072	}	3476	}
3073		3477
3074	void noinline	3478	ecb_noinline
		3479	void
3075	ev_invoke_pending (EV_P)	3480	ev_invoke_pending (EV_P)
3076	{	3481	{
3077	pendingpri = NUMPRI;	3482	pendingpri = NUMPRI;
3078		3483
3079	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3484	do
3080	{	3485	{
3081	--pendingpri;	3486	--pendingpri;
3082		3487
		3488	/* pendingpri possibly gets modified in the inner loop */
3083	while (pendingcnt [pendingpri])	3489	while (pendingcnt [pendingpri])
3084	{	3490	{
3085	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3491	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3086		3492
3087	p->w->pending = 0;	3493	p->w->pending = 0;
3088	EV_CB_INVOKE (p->w, p->events);	3494	EV_CB_INVOKE (p->w, p->events);
3089	EV_FREQUENT_CHECK;	3495	EV_FREQUENT_CHECK;
3090	}	3496	}
3091	}	3497	}
		3498	while (pendingpri);
3092	}	3499	}
3093		3500
3094	#if EV_IDLE_ENABLE	3501	#if EV_IDLE_ENABLE
3095	/* make idle watchers pending. this handles the "call-idle */	3502	/* make idle watchers pending. this handles the "call-idle */
3096	/* only when higher priorities are idle" logic */	3503	/* only when higher priorities are idle" logic */
3097	inline_size void	3504	inline_size void
3098	idle_reify (EV_P)	3505	idle_reify (EV_P)
3099	{	3506	{
3100	if (expect_false (idleall))	3507	if (ecb_expect_false (idleall))
3101	{	3508	{
3102	int pri;	3509	int pri;
3103		3510
3104	for (pri = NUMPRI; pri--; )	3511	for (pri = NUMPRI; pri--; )
3105	{	3512	{
…		…
3154	}	3561	}
3155	}	3562	}
3156		3563
3157	#if EV_PERIODIC_ENABLE	3564	#if EV_PERIODIC_ENABLE
3158		3565
3159	static void noinline	3566	ecb_noinline
		3567	static void
3160	periodic_recalc (EV_P_ ev_periodic *w)	3568	periodic_recalc (EV_P_ ev_periodic *w)
3161	{	3569	{
3162	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3570	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3163	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3571	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3164		3572
…		…
3166	while (at <= ev_rt_now)	3574	while (at <= ev_rt_now)
3167	{	3575	{
3168	ev_tstamp nat = at + w->interval;	3576	ev_tstamp nat = at + w->interval;
3169		3577
3170	/* when resolution fails us, we use ev_rt_now */	3578	/* when resolution fails us, we use ev_rt_now */
3171	if (expect_false (nat == at))	3579	if (ecb_expect_false (nat == at))
3172	{	3580	{
3173	at = ev_rt_now;	3581	at = ev_rt_now;
3174	break;	3582	break;
3175	}	3583	}
3176		3584
…		…
3222	}	3630	}
3223	}	3631	}
3224		3632
3225	/* simply recalculate all periodics */	3633	/* simply recalculate all periodics */
3226	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3634	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3227	static void noinline ecb_cold	3635	ecb_noinline ecb_cold
		3636	static void
3228	periodics_reschedule (EV_P)	3637	periodics_reschedule (EV_P)
3229	{	3638	{
3230	int i;	3639	int i;
3231		3640
3232	/* adjust periodics after time jump */	3641	/* adjust periodics after time jump */
…		…
3245	reheap (periodics, periodiccnt);	3654	reheap (periodics, periodiccnt);
3246	}	3655	}
3247	#endif	3656	#endif
3248		3657
3249	/* adjust all timers by a given offset */	3658	/* adjust all timers by a given offset */
3250	static void noinline ecb_cold	3659	ecb_noinline ecb_cold
		3660	static void
3251	timers_reschedule (EV_P_ ev_tstamp adjust)	3661	timers_reschedule (EV_P_ ev_tstamp adjust)
3252	{	3662	{
3253	int i;	3663	int i;
3254		3664
3255	for (i = 0; i < timercnt; ++i)	3665	for (i = 0; i < timercnt; ++i)
…		…
3264	/* also detect if there was a timejump, and act accordingly */	3674	/* also detect if there was a timejump, and act accordingly */
3265	inline_speed void	3675	inline_speed void
3266	time_update (EV_P_ ev_tstamp max_block)	3676	time_update (EV_P_ ev_tstamp max_block)
3267	{	3677	{
3268	#if EV_USE_MONOTONIC	3678	#if EV_USE_MONOTONIC
3269	if (expect_true (have_monotonic))	3679	if (ecb_expect_true (have_monotonic))
3270	{	3680	{
3271	int i;	3681	int i;
3272	ev_tstamp odiff = rtmn_diff;	3682	ev_tstamp odiff = rtmn_diff;
3273		3683
3274	mn_now = get_clock ();	3684	mn_now = get_clock ();
3275		3685
3276	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	3686	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3277	/* interpolate in the meantime */	3687	/* interpolate in the meantime */
3278	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	3688	if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3279	{	3689	{
3280	ev_rt_now = rtmn_diff + mn_now;	3690	ev_rt_now = rtmn_diff + mn_now;
3281	return;	3691	return;
3282	}	3692	}
3283		3693
…		…
3297	ev_tstamp diff;	3707	ev_tstamp diff;
3298	rtmn_diff = ev_rt_now - mn_now;	3708	rtmn_diff = ev_rt_now - mn_now;
3299		3709
3300	diff = odiff - rtmn_diff;	3710	diff = odiff - rtmn_diff;
3301		3711
3302	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))	3712	if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3303	return; /* all is well */	3713	return; /* all is well */
3304		3714
3305	ev_rt_now = ev_time ();	3715	ev_rt_now = ev_time ();
3306	mn_now = get_clock ();	3716	mn_now = get_clock ();
3307	now_floor = mn_now;	3717	now_floor = mn_now;
…		…
3316	else	3726	else
3317	#endif	3727	#endif
3318	{	3728	{
3319	ev_rt_now = ev_time ();	3729	ev_rt_now = ev_time ();
3320		3730
3321	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	3731	if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3322	{	3732	{
3323	/* adjust timers. this is easy, as the offset is the same for all of them */	3733	/* adjust timers. this is easy, as the offset is the same for all of them */
3324	timers_reschedule (EV_A_ ev_rt_now - mn_now);	3734	timers_reschedule (EV_A_ ev_rt_now - mn_now);
3325	#if EV_PERIODIC_ENABLE	3735	#if EV_PERIODIC_ENABLE
3326	periodics_reschedule (EV_A);	3736	periodics_reschedule (EV_A);
…		…
3349	#if EV_VERIFY >= 2	3759	#if EV_VERIFY >= 2
3350	ev_verify (EV_A);	3760	ev_verify (EV_A);
3351	#endif	3761	#endif
3352		3762
3353	#ifndef _WIN32	3763	#ifndef _WIN32
3354	if (expect_false (curpid)) /* penalise the forking check even more */	3764	if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3355	if (expect_false (getpid () != curpid))	3765	if (ecb_expect_false (getpid () != curpid))
3356	{	3766	{
3357	curpid = getpid ();	3767	curpid = getpid ();
3358	postfork = 1;	3768	postfork = 1;
3359	}	3769	}
3360	#endif	3770	#endif
3361		3771
3362	#if EV_FORK_ENABLE	3772	#if EV_FORK_ENABLE
3363	/* we might have forked, so queue fork handlers */	3773	/* we might have forked, so queue fork handlers */
3364	if (expect_false (postfork))	3774	if (ecb_expect_false (postfork))
3365	if (forkcnt)	3775	if (forkcnt)
3366	{	3776	{
3367	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	3777	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3368	EV_INVOKE_PENDING;	3778	EV_INVOKE_PENDING;
3369	}	3779	}
3370	#endif	3780	#endif
3371		3781
3372	#if EV_PREPARE_ENABLE	3782	#if EV_PREPARE_ENABLE
3373	/* queue prepare watchers (and execute them) */	3783	/* queue prepare watchers (and execute them) */
3374	if (expect_false (preparecnt))	3784	if (ecb_expect_false (preparecnt))
3375	{	3785	{
3376	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	3786	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3377	EV_INVOKE_PENDING;	3787	EV_INVOKE_PENDING;
3378	}	3788	}
3379	#endif	3789	#endif
3380		3790
3381	if (expect_false (loop_done))	3791	if (ecb_expect_false (loop_done))
3382	break;	3792	break;
3383		3793
3384	/* we might have forked, so reify kernel state if necessary */	3794	/* we might have forked, so reify kernel state if necessary */
3385	if (expect_false (postfork))	3795	if (ecb_expect_false (postfork))
3386	loop_fork (EV_A);	3796	loop_fork (EV_A);
3387		3797
3388	/* update fd-related kernel structures */	3798	/* update fd-related kernel structures */
3389	fd_reify (EV_A);	3799	fd_reify (EV_A);
3390		3800
…		…
3402	/* from now on, we want a pipe-wake-up */	3812	/* from now on, we want a pipe-wake-up */
3403	pipe_write_wanted = 1;	3813	pipe_write_wanted = 1;
3404		3814
3405	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */	3815	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3406		3816
3407	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3817	if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3408	{	3818	{
3409	waittime = MAX_BLOCKTIME;	3819	waittime = MAX_BLOCKTIME;
3410		3820
3411	if (timercnt)	3821	if (timercnt)
3412	{	3822	{
…		…
3421	if (waittime > to) waittime = to;	3831	if (waittime > to) waittime = to;
3422	}	3832	}
3423	#endif	3833	#endif
3424		3834
3425	/* don't let timeouts decrease the waittime below timeout_blocktime */	3835	/* don't let timeouts decrease the waittime below timeout_blocktime */
3426	if (expect_false (waittime < timeout_blocktime))	3836	if (ecb_expect_false (waittime < timeout_blocktime))
3427	waittime = timeout_blocktime;	3837	waittime = timeout_blocktime;
3428		3838
3429	/* at this point, we NEED to wait, so we have to ensure */	3839	/* at this point, we NEED to wait, so we have to ensure */
3430	/* to pass a minimum nonzero value to the backend */	3840	/* to pass a minimum nonzero value to the backend */
3431	if (expect_false (waittime < backend_mintime))	3841	if (ecb_expect_false (waittime < backend_mintime))
3432	waittime = backend_mintime;	3842	waittime = backend_mintime;
3433		3843
3434	/* extra check because io_blocktime is commonly 0 */	3844	/* extra check because io_blocktime is commonly 0 */
3435	if (expect_false (io_blocktime))	3845	if (ecb_expect_false (io_blocktime))
3436	{	3846	{
3437	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3847	sleeptime = io_blocktime - (mn_now - prev_mn_now);
3438		3848
3439	if (sleeptime > waittime - backend_mintime)	3849	if (sleeptime > waittime - backend_mintime)
3440	sleeptime = waittime - backend_mintime;	3850	sleeptime = waittime - backend_mintime;
3441		3851
3442	if (expect_true (sleeptime > 0.))	3852	if (ecb_expect_true (sleeptime > 0.))
3443	{	3853	{
3444	ev_sleep (sleeptime);	3854	ev_sleep (sleeptime);
3445	waittime -= sleeptime;	3855	waittime -= sleeptime;
3446	}	3856	}
3447	}	3857	}
…		…
3461	{	3871	{
3462	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3872	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3463	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3873	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3464	}	3874	}
3465		3875
3466
3467	/* update ev_rt_now, do magic */	3876	/* update ev_rt_now, do magic */
3468	time_update (EV_A_ waittime + sleeptime);	3877	time_update (EV_A_ waittime + sleeptime);
3469	}	3878	}
3470		3879
3471	/* queue pending timers and reschedule them */	3880	/* queue pending timers and reschedule them */
…		…
3479	idle_reify (EV_A);	3888	idle_reify (EV_A);
3480	#endif	3889	#endif
3481		3890
3482	#if EV_CHECK_ENABLE	3891	#if EV_CHECK_ENABLE
3483	/* queue check watchers, to be executed first */	3892	/* queue check watchers, to be executed first */
3484	if (expect_false (checkcnt))	3893	if (ecb_expect_false (checkcnt))
3485	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	3894	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3486	#endif	3895	#endif
3487		3896
3488	EV_INVOKE_PENDING;	3897	EV_INVOKE_PENDING;
3489	}	3898	}
3490	while (expect_true (	3899	while (ecb_expect_true (
3491	activecnt	3900	activecnt
3492	&& !loop_done	3901	&& !loop_done
3493	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))	3902	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3494	));	3903	));
3495		3904
…		…
3502		3911
3503	return activecnt;	3912	return activecnt;
3504	}	3913	}
3505		3914
3506	void	3915	void
3507	ev_break (EV_P_ int how) EV_THROW	3916	ev_break (EV_P_ int how) EV_NOEXCEPT
3508	{	3917	{
3509	loop_done = how;	3918	loop_done = how;
3510	}	3919	}
3511		3920
3512	void	3921	void
3513	ev_ref (EV_P) EV_THROW	3922	ev_ref (EV_P) EV_NOEXCEPT
3514	{	3923	{
3515	++activecnt;	3924	++activecnt;
3516	}	3925	}
3517		3926
3518	void	3927	void
3519	ev_unref (EV_P) EV_THROW	3928	ev_unref (EV_P) EV_NOEXCEPT
3520	{	3929	{
3521	--activecnt;	3930	--activecnt;
3522	}	3931	}
3523		3932
3524	void	3933	void
3525	ev_now_update (EV_P) EV_THROW	3934	ev_now_update (EV_P) EV_NOEXCEPT
3526	{	3935	{
3527	time_update (EV_A_ 1e100);	3936	time_update (EV_A_ 1e100);
3528	}	3937	}
3529		3938
3530	void	3939	void
3531	ev_suspend (EV_P) EV_THROW	3940	ev_suspend (EV_P) EV_NOEXCEPT
3532	{	3941	{
3533	ev_now_update (EV_A);	3942	ev_now_update (EV_A);
3534	}	3943	}
3535		3944
3536	void	3945	void
3537	ev_resume (EV_P) EV_THROW	3946	ev_resume (EV_P) EV_NOEXCEPT
3538	{	3947	{
3539	ev_tstamp mn_prev = mn_now;	3948	ev_tstamp mn_prev = mn_now;
3540		3949
3541	ev_now_update (EV_A);	3950	ev_now_update (EV_A);
3542	timers_reschedule (EV_A_ mn_now - mn_prev);	3951	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3559	inline_size void	3968	inline_size void
3560	wlist_del (WL *head, WL elem)	3969	wlist_del (WL *head, WL elem)
3561	{	3970	{
3562	while (*head)	3971	while (*head)
3563	{	3972	{
3564	if (expect_true (*head == elem))	3973	if (ecb_expect_true (*head == elem))
3565	{	3974	{
3566	*head = elem->next;	3975	*head = elem->next;
3567	break;	3976	break;
3568	}	3977	}
3569		3978
…		…
3581	w->pending = 0;	3990	w->pending = 0;
3582	}	3991	}
3583	}	3992	}
3584		3993
3585	int	3994	int
3586	ev_clear_pending (EV_P_ void *w) EV_THROW	3995	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3587	{	3996	{
3588	W w_ = (W)w;	3997	W w_ = (W)w;
3589	int pending = w_->pending;	3998	int pending = w_->pending;
3590		3999
3591	if (expect_true (pending))	4000	if (ecb_expect_true (pending))
3592	{	4001	{
3593	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	4002	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3594	p->w = (W)&pending_w;	4003	p->w = (W)&pending_w;
3595	w_->pending = 0;	4004	w_->pending = 0;
3596	return p->events;	4005	return p->events;
…		…
3623	w->active = 0;	4032	w->active = 0;
3624	}	4033	}
3625		4034
3626	/*****************************************************************************/	4035	/*****************************************************************************/
3627		4036
3628	void noinline	4037	ecb_noinline
		4038	void
3629	ev_io_start (EV_P_ ev_io *w) EV_THROW	4039	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3630	{	4040	{
3631	int fd = w->fd;	4041	int fd = w->fd;
3632		4042
3633	if (expect_false (ev_is_active (w)))	4043	if (ecb_expect_false (ev_is_active (w)))
3634	return;	4044	return;
3635		4045
3636	assert (("libev: ev_io_start called with negative fd", fd >= 0));	4046	assert (("libev: ev_io_start called with negative fd", fd >= 0));
3637	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	4047	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3638		4048
		4049	#if EV_VERIFY >= 2
		4050	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		4051	#endif
3639	EV_FREQUENT_CHECK;	4052	EV_FREQUENT_CHECK;
3640		4053
3641	ev_start (EV_A_ (W)w, 1);	4054	ev_start (EV_A_ (W)w, 1);
3642	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	4055	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3643	wlist_add (&anfds[fd].head, (WL)w);	4056	wlist_add (&anfds[fd].head, (WL)w);
3644		4057
3645	/* common bug, apparently */	4058	/* common bug, apparently */
3646	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	4059	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3647		4060
…		…
3649	w->events &= ~EV__IOFDSET;	4062	w->events &= ~EV__IOFDSET;
3650		4063
3651	EV_FREQUENT_CHECK;	4064	EV_FREQUENT_CHECK;
3652	}	4065	}
3653		4066
3654	void noinline	4067	ecb_noinline
		4068	void
3655	ev_io_stop (EV_P_ ev_io *w) EV_THROW	4069	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3656	{	4070	{
3657	clear_pending (EV_A_ (W)w);	4071	clear_pending (EV_A_ (W)w);
3658	if (expect_false (!ev_is_active (w)))	4072	if (ecb_expect_false (!ev_is_active (w)))
3659	return;	4073	return;
3660		4074
3661	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	4075	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3662		4076
		4077	#if EV_VERIFY >= 2
		4078	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		4079	#endif
3663	EV_FREQUENT_CHECK;	4080	EV_FREQUENT_CHECK;
3664		4081
3665	wlist_del (&anfds[w->fd].head, (WL)w);	4082	wlist_del (&anfds[w->fd].head, (WL)w);
3666	ev_stop (EV_A_ (W)w);	4083	ev_stop (EV_A_ (W)w);
3667		4084
3668	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	4085	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3669		4086
3670	EV_FREQUENT_CHECK;	4087	EV_FREQUENT_CHECK;
3671	}	4088	}
3672		4089
3673	void noinline	4090	ecb_noinline
		4091	void
3674	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	4092	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3675	{	4093	{
3676	if (expect_false (ev_is_active (w)))	4094	if (ecb_expect_false (ev_is_active (w)))
3677	return;	4095	return;
3678		4096
3679	ev_at (w) += mn_now;	4097	ev_at (w) += mn_now;
3680		4098
3681	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	4099	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3682		4100
3683	EV_FREQUENT_CHECK;	4101	EV_FREQUENT_CHECK;
3684		4102
3685	++timercnt;	4103	++timercnt;
3686	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	4104	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3687	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	4105	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3688	ANHE_w (timers [ev_active (w)]) = (WT)w;	4106	ANHE_w (timers [ev_active (w)]) = (WT)w;
3689	ANHE_at_cache (timers [ev_active (w)]);	4107	ANHE_at_cache (timers [ev_active (w)]);
3690	upheap (timers, ev_active (w));	4108	upheap (timers, ev_active (w));
3691		4109
3692	EV_FREQUENT_CHECK;	4110	EV_FREQUENT_CHECK;
3693		4111
3694	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	4112	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3695	}	4113	}
3696		4114
3697	void noinline	4115	ecb_noinline
		4116	void
3698	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	4117	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3699	{	4118	{
3700	clear_pending (EV_A_ (W)w);	4119	clear_pending (EV_A_ (W)w);
3701	if (expect_false (!ev_is_active (w)))	4120	if (ecb_expect_false (!ev_is_active (w)))
3702	return;	4121	return;
3703		4122
3704	EV_FREQUENT_CHECK;	4123	EV_FREQUENT_CHECK;
3705		4124
3706	{	4125	{
…		…
3708		4127
3709	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	4128	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3710		4129
3711	--timercnt;	4130	--timercnt;
3712		4131
3713	if (expect_true (active < timercnt + HEAP0))	4132	if (ecb_expect_true (active < timercnt + HEAP0))
3714	{	4133	{
3715	timers [active] = timers [timercnt + HEAP0];	4134	timers [active] = timers [timercnt + HEAP0];
3716	adjustheap (timers, timercnt, active);	4135	adjustheap (timers, timercnt, active);
3717	}	4136	}
3718	}	4137	}
…		…
3722	ev_stop (EV_A_ (W)w);	4141	ev_stop (EV_A_ (W)w);
3723		4142
3724	EV_FREQUENT_CHECK;	4143	EV_FREQUENT_CHECK;
3725	}	4144	}
3726		4145
3727	void noinline	4146	ecb_noinline
		4147	void
3728	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4148	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3729	{	4149	{
3730	EV_FREQUENT_CHECK;	4150	EV_FREQUENT_CHECK;
3731		4151
3732	clear_pending (EV_A_ (W)w);	4152	clear_pending (EV_A_ (W)w);
3733		4153
…		…
3750		4170
3751	EV_FREQUENT_CHECK;	4171	EV_FREQUENT_CHECK;
3752	}	4172	}
3753		4173
3754	ev_tstamp	4174	ev_tstamp
3755	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4175	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3756	{	4176	{
3757	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4177	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3758	}	4178	}
3759		4179
3760	#if EV_PERIODIC_ENABLE	4180	#if EV_PERIODIC_ENABLE
3761	void noinline	4181	ecb_noinline
		4182	void
3762	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4183	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3763	{	4184	{
3764	if (expect_false (ev_is_active (w)))	4185	if (ecb_expect_false (ev_is_active (w)))
3765	return;	4186	return;
3766		4187
3767	if (w->reschedule_cb)	4188	if (w->reschedule_cb)
3768	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	4189	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
3769	else if (w->interval)	4190	else if (w->interval)
…		…
3776		4197
3777	EV_FREQUENT_CHECK;	4198	EV_FREQUENT_CHECK;
3778		4199
3779	++periodiccnt;	4200	++periodiccnt;
3780	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4201	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3781	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4202	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3782	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4203	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3783	ANHE_at_cache (periodics [ev_active (w)]);	4204	ANHE_at_cache (periodics [ev_active (w)]);
3784	upheap (periodics, ev_active (w));	4205	upheap (periodics, ev_active (w));
3785		4206
3786	EV_FREQUENT_CHECK;	4207	EV_FREQUENT_CHECK;
3787		4208
3788	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4209	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3789	}	4210	}
3790		4211
3791	void noinline	4212	ecb_noinline
		4213	void
3792	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4214	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3793	{	4215	{
3794	clear_pending (EV_A_ (W)w);	4216	clear_pending (EV_A_ (W)w);
3795	if (expect_false (!ev_is_active (w)))	4217	if (ecb_expect_false (!ev_is_active (w)))
3796	return;	4218	return;
3797		4219
3798	EV_FREQUENT_CHECK;	4220	EV_FREQUENT_CHECK;
3799		4221
3800	{	4222	{
…		…
3802		4224
3803	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	4225	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
3804		4226
3805	--periodiccnt;	4227	--periodiccnt;
3806		4228
3807	if (expect_true (active < periodiccnt + HEAP0))	4229	if (ecb_expect_true (active < periodiccnt + HEAP0))
3808	{	4230	{
3809	periodics [active] = periodics [periodiccnt + HEAP0];	4231	periodics [active] = periodics [periodiccnt + HEAP0];
3810	adjustheap (periodics, periodiccnt, active);	4232	adjustheap (periodics, periodiccnt, active);
3811	}	4233	}
3812	}	4234	}
…		…
3814	ev_stop (EV_A_ (W)w);	4236	ev_stop (EV_A_ (W)w);
3815		4237
3816	EV_FREQUENT_CHECK;	4238	EV_FREQUENT_CHECK;
3817	}	4239	}
3818		4240
3819	void noinline	4241	ecb_noinline
		4242	void
3820	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4243	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3821	{	4244	{
3822	/* TODO: use adjustheap and recalculation */	4245	/* TODO: use adjustheap and recalculation */
3823	ev_periodic_stop (EV_A_ w);	4246	ev_periodic_stop (EV_A_ w);
3824	ev_periodic_start (EV_A_ w);	4247	ev_periodic_start (EV_A_ w);
3825	}	4248	}
…		…
3829	# define SA_RESTART 0	4252	# define SA_RESTART 0
3830	#endif	4253	#endif
3831		4254
3832	#if EV_SIGNAL_ENABLE	4255	#if EV_SIGNAL_ENABLE
3833		4256
3834	void noinline	4257	ecb_noinline
		4258	void
3835	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4259	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3836	{	4260	{
3837	if (expect_false (ev_is_active (w)))	4261	if (ecb_expect_false (ev_is_active (w)))
3838	return;	4262	return;
3839		4263
3840	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4264	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3841		4265
3842	#if EV_MULTIPLICITY	4266	#if EV_MULTIPLICITY
…		…
3911	}	4335	}
3912		4336
3913	EV_FREQUENT_CHECK;	4337	EV_FREQUENT_CHECK;
3914	}	4338	}
3915		4339
3916	void noinline	4340	ecb_noinline
		4341	void
3917	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4342	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3918	{	4343	{
3919	clear_pending (EV_A_ (W)w);	4344	clear_pending (EV_A_ (W)w);
3920	if (expect_false (!ev_is_active (w)))	4345	if (ecb_expect_false (!ev_is_active (w)))
3921	return;	4346	return;
3922		4347
3923	EV_FREQUENT_CHECK;	4348	EV_FREQUENT_CHECK;
3924		4349
3925	wlist_del (&signals [w->signum - 1].head, (WL)w);	4350	wlist_del (&signals [w->signum - 1].head, (WL)w);
…		…
3953	#endif	4378	#endif
3954		4379
3955	#if EV_CHILD_ENABLE	4380	#if EV_CHILD_ENABLE
3956		4381
3957	void	4382	void
3958	ev_child_start (EV_P_ ev_child *w) EV_THROW	4383	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3959	{	4384	{
3960	#if EV_MULTIPLICITY	4385	#if EV_MULTIPLICITY
3961	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4386	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3962	#endif	4387	#endif
3963	if (expect_false (ev_is_active (w)))	4388	if (ecb_expect_false (ev_is_active (w)))
3964	return;	4389	return;
3965		4390
3966	EV_FREQUENT_CHECK;	4391	EV_FREQUENT_CHECK;
3967		4392
3968	ev_start (EV_A_ (W)w, 1);	4393	ev_start (EV_A_ (W)w, 1);
…		…
3970		4395
3971	EV_FREQUENT_CHECK;	4396	EV_FREQUENT_CHECK;
3972	}	4397	}
3973		4398
3974	void	4399	void
3975	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4400	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3976	{	4401	{
3977	clear_pending (EV_A_ (W)w);	4402	clear_pending (EV_A_ (W)w);
3978	if (expect_false (!ev_is_active (w)))	4403	if (ecb_expect_false (!ev_is_active (w)))
3979	return;	4404	return;
3980		4405
3981	EV_FREQUENT_CHECK;	4406	EV_FREQUENT_CHECK;
3982		4407
3983	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);	4408	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
…		…
3997		4422
3998	#define DEF_STAT_INTERVAL 5.0074891	4423	#define DEF_STAT_INTERVAL 5.0074891
3999	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4424	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4000	#define MIN_STAT_INTERVAL 0.1074891	4425	#define MIN_STAT_INTERVAL 0.1074891
4001		4426
4002	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4427	ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4003		4428
4004	#if EV_USE_INOTIFY	4429	#if EV_USE_INOTIFY
4005		4430
4006	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4431	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
4007	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4432	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4008		4433
4009	static void noinline	4434	ecb_noinline
		4435	static void
4010	infy_add (EV_P_ ev_stat *w)	4436	infy_add (EV_P_ ev_stat *w)
4011	{	4437	{
4012	w->wd = inotify_add_watch (fs_fd, w->path,	4438	w->wd = inotify_add_watch (fs_fd, w->path,
4013	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4439	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4014	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4440	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4078	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4504	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4079	ev_timer_again (EV_A_ &w->timer);	4505	ev_timer_again (EV_A_ &w->timer);
4080	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4506	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4081	}	4507	}
4082		4508
4083	static void noinline	4509	ecb_noinline
		4510	static void
4084	infy_del (EV_P_ ev_stat *w)	4511	infy_del (EV_P_ ev_stat *w)
4085	{	4512	{
4086	int slot;	4513	int slot;
4087	int wd = w->wd;	4514	int wd = w->wd;
4088		4515
…		…
4095		4522
4096	/* remove this watcher, if others are watching it, they will rearm */	4523	/* remove this watcher, if others are watching it, they will rearm */
4097	inotify_rm_watch (fs_fd, wd);	4524	inotify_rm_watch (fs_fd, wd);
4098	}	4525	}
4099		4526
4100	static void noinline	4527	ecb_noinline
		4528	static void
4101	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4529	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4102	{	4530	{
4103	if (slot < 0)	4531	if (slot < 0)
4104	/* overflow, need to check for all hash slots */	4532	/* overflow, need to check for all hash slots */
4105	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4533	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4141	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4569	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4142	ofs += sizeof (struct inotify_event) + ev->len;	4570	ofs += sizeof (struct inotify_event) + ev->len;
4143	}	4571	}
4144	}	4572	}
4145		4573
4146	inline_size void ecb_cold	4574	inline_size ecb_cold
		4575	void
4147	ev_check_2625 (EV_P)	4576	ev_check_2625 (EV_P)
4148	{	4577	{
4149	/* kernels < 2.6.25 are borked	4578	/* kernels < 2.6.25 are borked
4150	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4579	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4151	*/	4580	*/
…		…
4241	#else	4670	#else
4242	# define EV_LSTAT(p,b) lstat (p, b)	4671	# define EV_LSTAT(p,b) lstat (p, b)
4243	#endif	4672	#endif
4244		4673
4245	void	4674	void
4246	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4675	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4247	{	4676	{
4248	if (lstat (w->path, &w->attr) < 0)	4677	if (lstat (w->path, &w->attr) < 0)
4249	w->attr.st_nlink = 0;	4678	w->attr.st_nlink = 0;
4250	else if (!w->attr.st_nlink)	4679	else if (!w->attr.st_nlink)
4251	w->attr.st_nlink = 1;	4680	w->attr.st_nlink = 1;
4252	}	4681	}
4253		4682
4254	static void noinline	4683	ecb_noinline
		4684	static void
4255	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4685	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4256	{	4686	{
4257	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4687	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4258		4688
4259	ev_statdata prev = w->attr;	4689	ev_statdata prev = w->attr;
…		…
4290	ev_feed_event (EV_A_ w, EV_STAT);	4720	ev_feed_event (EV_A_ w, EV_STAT);
4291	}	4721	}
4292	}	4722	}
4293		4723
4294	void	4724	void
4295	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4725	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4296	{	4726	{
4297	if (expect_false (ev_is_active (w)))	4727	if (ecb_expect_false (ev_is_active (w)))
4298	return;	4728	return;
4299		4729
4300	ev_stat_stat (EV_A_ w);	4730	ev_stat_stat (EV_A_ w);
4301		4731
4302	if (w->interval < MIN_STAT_INTERVAL && w->interval)	4732	if (w->interval < MIN_STAT_INTERVAL && w->interval)
…		…
4321		4751
4322	EV_FREQUENT_CHECK;	4752	EV_FREQUENT_CHECK;
4323	}	4753	}
4324		4754
4325	void	4755	void
4326	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4756	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4327	{	4757	{
4328	clear_pending (EV_A_ (W)w);	4758	clear_pending (EV_A_ (W)w);
4329	if (expect_false (!ev_is_active (w)))	4759	if (ecb_expect_false (!ev_is_active (w)))
4330	return;	4760	return;
4331		4761
4332	EV_FREQUENT_CHECK;	4762	EV_FREQUENT_CHECK;
4333		4763
4334	#if EV_USE_INOTIFY	4764	#if EV_USE_INOTIFY
…		…
4347	}	4777	}
4348	#endif	4778	#endif
4349		4779
4350	#if EV_IDLE_ENABLE	4780	#if EV_IDLE_ENABLE
4351	void	4781	void
4352	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4782	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4353	{	4783	{
4354	if (expect_false (ev_is_active (w)))	4784	if (ecb_expect_false (ev_is_active (w)))
4355	return;	4785	return;
4356		4786
4357	pri_adjust (EV_A_ (W)w);	4787	pri_adjust (EV_A_ (W)w);
4358		4788
4359	EV_FREQUENT_CHECK;	4789	EV_FREQUENT_CHECK;
…		…
4362	int active = ++idlecnt [ABSPRI (w)];	4792	int active = ++idlecnt [ABSPRI (w)];
4363		4793
4364	++idleall;	4794	++idleall;
4365	ev_start (EV_A_ (W)w, active);	4795	ev_start (EV_A_ (W)w, active);
4366		4796
4367	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4797	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4368	idles [ABSPRI (w)][active - 1] = w;	4798	idles [ABSPRI (w)][active - 1] = w;
4369	}	4799	}
4370		4800
4371	EV_FREQUENT_CHECK;	4801	EV_FREQUENT_CHECK;
4372	}	4802	}
4373		4803
4374	void	4804	void
4375	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4805	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4376	{	4806	{
4377	clear_pending (EV_A_ (W)w);	4807	clear_pending (EV_A_ (W)w);
4378	if (expect_false (!ev_is_active (w)))	4808	if (ecb_expect_false (!ev_is_active (w)))
4379	return;	4809	return;
4380		4810
4381	EV_FREQUENT_CHECK;	4811	EV_FREQUENT_CHECK;
4382		4812
4383	{	4813	{
…		…
4394	}	4824	}
4395	#endif	4825	#endif
4396		4826
4397	#if EV_PREPARE_ENABLE	4827	#if EV_PREPARE_ENABLE
4398	void	4828	void
4399	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4829	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4400	{	4830	{
4401	if (expect_false (ev_is_active (w)))	4831	if (ecb_expect_false (ev_is_active (w)))
4402	return;	4832	return;
4403		4833
4404	EV_FREQUENT_CHECK;	4834	EV_FREQUENT_CHECK;
4405		4835
4406	ev_start (EV_A_ (W)w, ++preparecnt);	4836	ev_start (EV_A_ (W)w, ++preparecnt);
4407	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4837	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4408	prepares [preparecnt - 1] = w;	4838	prepares [preparecnt - 1] = w;
4409		4839
4410	EV_FREQUENT_CHECK;	4840	EV_FREQUENT_CHECK;
4411	}	4841	}
4412		4842
4413	void	4843	void
4414	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4844	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4415	{	4845	{
4416	clear_pending (EV_A_ (W)w);	4846	clear_pending (EV_A_ (W)w);
4417	if (expect_false (!ev_is_active (w)))	4847	if (ecb_expect_false (!ev_is_active (w)))
4418	return;	4848	return;
4419		4849
4420	EV_FREQUENT_CHECK;	4850	EV_FREQUENT_CHECK;
4421		4851
4422	{	4852	{
…		…
4432	}	4862	}
4433	#endif	4863	#endif
4434		4864
4435	#if EV_CHECK_ENABLE	4865	#if EV_CHECK_ENABLE
4436	void	4866	void
4437	ev_check_start (EV_P_ ev_check *w) EV_THROW	4867	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4438	{	4868	{
4439	if (expect_false (ev_is_active (w)))	4869	if (ecb_expect_false (ev_is_active (w)))
4440	return;	4870	return;
4441		4871
4442	EV_FREQUENT_CHECK;	4872	EV_FREQUENT_CHECK;
4443		4873
4444	ev_start (EV_A_ (W)w, ++checkcnt);	4874	ev_start (EV_A_ (W)w, ++checkcnt);
4445	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4875	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4446	checks [checkcnt - 1] = w;	4876	checks [checkcnt - 1] = w;
4447		4877
4448	EV_FREQUENT_CHECK;	4878	EV_FREQUENT_CHECK;
4449	}	4879	}
4450		4880
4451	void	4881	void
4452	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4882	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4453	{	4883	{
4454	clear_pending (EV_A_ (W)w);	4884	clear_pending (EV_A_ (W)w);
4455	if (expect_false (!ev_is_active (w)))	4885	if (ecb_expect_false (!ev_is_active (w)))
4456	return;	4886	return;
4457		4887
4458	EV_FREQUENT_CHECK;	4888	EV_FREQUENT_CHECK;
4459		4889
4460	{	4890	{
…		…
4469	EV_FREQUENT_CHECK;	4899	EV_FREQUENT_CHECK;
4470	}	4900	}
4471	#endif	4901	#endif
4472		4902
4473	#if EV_EMBED_ENABLE	4903	#if EV_EMBED_ENABLE
4474	void noinline	4904	ecb_noinline
		4905	void
4475	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4906	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4476	{	4907	{
4477	ev_run (w->other, EVRUN_NOWAIT);	4908	ev_run (w->other, EVRUN_NOWAIT);
4478	}	4909	}
4479		4910
4480	static void	4911	static void
…		…
4528	ev_idle_stop (EV_A_ idle);	4959	ev_idle_stop (EV_A_ idle);
4529	}	4960	}
4530	#endif	4961	#endif
4531		4962
4532	void	4963	void
4533	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4964	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4534	{	4965	{
4535	if (expect_false (ev_is_active (w)))	4966	if (ecb_expect_false (ev_is_active (w)))
4536	return;	4967	return;
4537		4968
4538	{	4969	{
4539	EV_P = w->other;	4970	EV_P = w->other;
4540	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	4971	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
…		…
4559		4990
4560	EV_FREQUENT_CHECK;	4991	EV_FREQUENT_CHECK;
4561	}	4992	}
4562		4993
4563	void	4994	void
4564	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4995	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4565	{	4996	{
4566	clear_pending (EV_A_ (W)w);	4997	clear_pending (EV_A_ (W)w);
4567	if (expect_false (!ev_is_active (w)))	4998	if (ecb_expect_false (!ev_is_active (w)))
4568	return;	4999	return;
4569		5000
4570	EV_FREQUENT_CHECK;	5001	EV_FREQUENT_CHECK;
4571		5002
4572	ev_io_stop (EV_A_ &w->io);	5003	ev_io_stop (EV_A_ &w->io);
…		…
4579	}	5010	}
4580	#endif	5011	#endif
4581		5012
4582	#if EV_FORK_ENABLE	5013	#if EV_FORK_ENABLE
4583	void	5014	void
4584	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	5015	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4585	{	5016	{
4586	if (expect_false (ev_is_active (w)))	5017	if (ecb_expect_false (ev_is_active (w)))
4587	return;	5018	return;
4588		5019
4589	EV_FREQUENT_CHECK;	5020	EV_FREQUENT_CHECK;
4590		5021
4591	ev_start (EV_A_ (W)w, ++forkcnt);	5022	ev_start (EV_A_ (W)w, ++forkcnt);
4592	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	5023	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4593	forks [forkcnt - 1] = w;	5024	forks [forkcnt - 1] = w;
4594		5025
4595	EV_FREQUENT_CHECK;	5026	EV_FREQUENT_CHECK;
4596	}	5027	}
4597		5028
4598	void	5029	void
4599	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	5030	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4600	{	5031	{
4601	clear_pending (EV_A_ (W)w);	5032	clear_pending (EV_A_ (W)w);
4602	if (expect_false (!ev_is_active (w)))	5033	if (ecb_expect_false (!ev_is_active (w)))
4603	return;	5034	return;
4604		5035
4605	EV_FREQUENT_CHECK;	5036	EV_FREQUENT_CHECK;
4606		5037
4607	{	5038	{
…		…
4617	}	5048	}
4618	#endif	5049	#endif
4619		5050
4620	#if EV_CLEANUP_ENABLE	5051	#if EV_CLEANUP_ENABLE
4621	void	5052	void
4622	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	5053	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4623	{	5054	{
4624	if (expect_false (ev_is_active (w)))	5055	if (ecb_expect_false (ev_is_active (w)))
4625	return;	5056	return;
4626		5057
4627	EV_FREQUENT_CHECK;	5058	EV_FREQUENT_CHECK;
4628		5059
4629	ev_start (EV_A_ (W)w, ++cleanupcnt);	5060	ev_start (EV_A_ (W)w, ++cleanupcnt);
4630	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	5061	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4631	cleanups [cleanupcnt - 1] = w;	5062	cleanups [cleanupcnt - 1] = w;
4632		5063
4633	/* cleanup watchers should never keep a refcount on the loop */	5064	/* cleanup watchers should never keep a refcount on the loop */
4634	ev_unref (EV_A);	5065	ev_unref (EV_A);
4635	EV_FREQUENT_CHECK;	5066	EV_FREQUENT_CHECK;
4636	}	5067	}
4637		5068
4638	void	5069	void
4639	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	5070	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4640	{	5071	{
4641	clear_pending (EV_A_ (W)w);	5072	clear_pending (EV_A_ (W)w);
4642	if (expect_false (!ev_is_active (w)))	5073	if (ecb_expect_false (!ev_is_active (w)))
4643	return;	5074	return;
4644		5075
4645	EV_FREQUENT_CHECK;	5076	EV_FREQUENT_CHECK;
4646	ev_ref (EV_A);	5077	ev_ref (EV_A);
4647		5078
…		…
4658	}	5089	}
4659	#endif	5090	#endif
4660		5091
4661	#if EV_ASYNC_ENABLE	5092	#if EV_ASYNC_ENABLE
4662	void	5093	void
4663	ev_async_start (EV_P_ ev_async *w) EV_THROW	5094	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4664	{	5095	{
4665	if (expect_false (ev_is_active (w)))	5096	if (ecb_expect_false (ev_is_active (w)))
4666	return;	5097	return;
4667		5098
4668	w->sent = 0;	5099	w->sent = 0;
4669		5100
4670	evpipe_init (EV_A);	5101	evpipe_init (EV_A);
4671		5102
4672	EV_FREQUENT_CHECK;	5103	EV_FREQUENT_CHECK;
4673		5104
4674	ev_start (EV_A_ (W)w, ++asynccnt);	5105	ev_start (EV_A_ (W)w, ++asynccnt);
4675	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	5106	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4676	asyncs [asynccnt - 1] = w;	5107	asyncs [asynccnt - 1] = w;
4677		5108
4678	EV_FREQUENT_CHECK;	5109	EV_FREQUENT_CHECK;
4679	}	5110	}
4680		5111
4681	void	5112	void
4682	ev_async_stop (EV_P_ ev_async *w) EV_THROW	5113	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4683	{	5114	{
4684	clear_pending (EV_A_ (W)w);	5115	clear_pending (EV_A_ (W)w);
4685	if (expect_false (!ev_is_active (w)))	5116	if (ecb_expect_false (!ev_is_active (w)))
4686	return;	5117	return;
4687		5118
4688	EV_FREQUENT_CHECK;	5119	EV_FREQUENT_CHECK;
4689		5120
4690	{	5121	{
…		…
4698		5129
4699	EV_FREQUENT_CHECK;	5130	EV_FREQUENT_CHECK;
4700	}	5131	}
4701		5132
4702	void	5133	void
4703	ev_async_send (EV_P_ ev_async *w) EV_THROW	5134	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4704	{	5135	{
4705	w->sent = 1;	5136	w->sent = 1;
4706	evpipe_write (EV_A_ &async_pending);	5137	evpipe_write (EV_A_ &async_pending);
4707	}	5138	}
4708	#endif	5139	#endif
…		…
4745		5176
4746	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5177	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4747	}	5178	}
4748		5179
4749	void	5180	void
4750	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5181	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4751	{	5182	{
4752	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5183	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4753
4754	if (expect_false (!once))
4755	{
4756	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4757	return;
4758	}
4759		5184
4760	once->cb = cb;	5185	once->cb = cb;
4761	once->arg = arg;	5186	once->arg = arg;
4762		5187
4763	ev_init (&once->io, once_cb_io);	5188	ev_init (&once->io, once_cb_io);
…		…
4776	}	5201	}
4777		5202
4778	/*****************************************************************************/	5203	/*****************************************************************************/
4779		5204
4780	#if EV_WALK_ENABLE	5205	#if EV_WALK_ENABLE
4781	void ecb_cold	5206	ecb_cold
		5207	void
4782	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5208	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4783	{	5209	{
4784	int i, j;	5210	int i, j;
4785	ev_watcher_list *wl, *wn;	5211	ev_watcher_list *wl, *wn;
4786		5212
4787	if (types & (EV_IO | EV_EMBED))	5213	if (types & (EV_IO | EV_EMBED))

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