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Comparing libev/ev.c (file contents):
Revision 1.467 by root, Fri May 16 15:15:39 2014 UTC vs.
Revision 1.492 by root, Sat Jun 22 16:25:53 2019 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011,2012,2013 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	*
…		…
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
47		47
48	#if HAVE_FLOOR	48	# if HAVE_FLOOR
49	# ifndef EV_USE_FLOOR	49	# ifndef EV_USE_FLOOR
50	# define EV_USE_FLOOR 1	50	# define EV_USE_FLOOR 1
		51	# endif
51	# endif	52	# endif
52	#endif
53		53
54	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
55	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
56	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
57	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS	113	# define EV_USE_EPOLL EV_FEATURE_BACKENDS
114	# endif	114	# endif
115	# else	115	# else
116	# undef EV_USE_EPOLL	116	# undef EV_USE_EPOLL
117	# define EV_USE_EPOLL 0	117	# define EV_USE_EPOLL 0
		118	# endif
		119
		120	# if HAVE_LINUX_AIO_ABI_H
		121	# ifndef EV_USE_LINUXAIO
		122	# define EV_USE_LINUXAIO EV_FEATURE_BACKENDS
		123	# endif
		124	# else
		125	# undef EV_USE_LINUXAIO
		126	# define EV_USE_LINUXAIO 0
118	# endif	127	# endif
119		128
120	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H	129	# if HAVE_KQUEUE && HAVE_SYS_EVENT_H
121	# ifndef EV_USE_KQUEUE	130	# ifndef EV_USE_KQUEUE
122	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS	131	# define EV_USE_KQUEUE EV_FEATURE_BACKENDS
…		…
162	# define EV_USE_EVENTFD 0	171	# define EV_USE_EVENTFD 0
163	# endif	172	# endif
164		173
165	#endif	174	#endif
166		175
		176	/* OS X, in its infinite idiocy, actually HARDCODES
		177	* a limit of 1024 into their select. Where people have brains,
		178	* OS X engineers apparently have a vacuum. Or maybe they were
		179	* ordered to have a vacuum, or they do anything for money.
		180	* This might help. Or not.
		181	* Note that this must be defined early, as other include files
		182	* will rely on this define as well.
		183	*/
		184	#define _DARWIN_UNLIMITED_SELECT 1
		185
167	#include <stdlib.h>	186	#include <stdlib.h>
168	#include <string.h>	187	#include <string.h>
169	#include <fcntl.h>	188	#include <fcntl.h>
170	#include <stddef.h>	189	#include <stddef.h>
171		190
…		…
208	# ifndef EV_SELECT_IS_WINSOCKET	227	# ifndef EV_SELECT_IS_WINSOCKET
209	# define EV_SELECT_IS_WINSOCKET 1	228	# define EV_SELECT_IS_WINSOCKET 1
210	# endif	229	# endif
211	# undef EV_AVOID_STDIO	230	# undef EV_AVOID_STDIO
212	#endif	231	#endif
213
214	/* OS X, in its infinite idiocy, actually HARDCODES
215	* a limit of 1024 into their select. Where people have brains,
216	* OS X engineers apparently have a vacuum. Or maybe they were
217	* ordered to have a vacuum, or they do anything for money.
218	* This might help. Or not.
219	*/
220	#define _DARWIN_UNLIMITED_SELECT 1
221		232
222	/* this block tries to deduce configuration from header-defined symbols and defaults */	233	/* this block tries to deduce configuration from header-defined symbols and defaults */
223		234
224	/* try to deduce the maximum number of signals on this platform */	235	/* try to deduce the maximum number of signals on this platform */
225	#if defined EV_NSIG	236	#if defined EV_NSIG
…		…
256	# else	267	# else
257	# define EV_USE_CLOCK_SYSCALL 0	268	# define EV_USE_CLOCK_SYSCALL 0
258	# endif	269	# endif
259	#endif	270	#endif
260		271
		272	#if !(_POSIX_TIMERS > 0)
		273	# ifndef EV_USE_MONOTONIC
		274	# define EV_USE_MONOTONIC 0
		275	# endif
		276	# ifndef EV_USE_REALTIME
		277	# define EV_USE_REALTIME 0
		278	# endif
		279	#endif
		280
261	#ifndef EV_USE_MONOTONIC	281	#ifndef EV_USE_MONOTONIC
262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0	282	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
263	# define EV_USE_MONOTONIC EV_FEATURE_OS	283	# define EV_USE_MONOTONIC EV_FEATURE_OS
264	# else	284	# else
265	# define EV_USE_MONOTONIC 0	285	# define EV_USE_MONOTONIC 0
…		…
304		324
305	#ifndef EV_USE_PORT	325	#ifndef EV_USE_PORT
306	# define EV_USE_PORT 0	326	# define EV_USE_PORT 0
307	#endif	327	#endif
308		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
309	#ifndef EV_USE_INOTIFY	337	#ifndef EV_USE_INOTIFY
310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	338	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
311	# define EV_USE_INOTIFY EV_FEATURE_OS	339	# define EV_USE_INOTIFY EV_FEATURE_OS
312	# else	340	# else
313	# define EV_USE_INOTIFY 0	341	# define EV_USE_INOTIFY 0
…		…
354		382
355	#ifndef EV_HEAP_CACHE_AT	383	#ifndef EV_HEAP_CACHE_AT
356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	384	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
357	#endif	385	#endif
358		386
359	#ifdef ANDROID	387	#ifdef __ANDROID__
360	/* supposedly, android doesn't typedef fd_mask */	388	/* supposedly, android doesn't typedef fd_mask */
361	# undef EV_USE_SELECT	389	# undef EV_USE_SELECT
362	# define EV_USE_SELECT 0	390	# define EV_USE_SELECT 0
363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	391	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
364	# undef EV_USE_CLOCK_SYSCALL	392	# undef EV_USE_CLOCK_SYSCALL
…		…
368	/* aix's poll.h seems to cause lots of trouble */	396	/* aix's poll.h seems to cause lots of trouble */
369	#ifdef _AIX	397	#ifdef _AIX
370	/* AIX has a completely broken poll.h header */	398	/* AIX has a completely broken poll.h header */
371	# undef EV_USE_POLL	399	# undef EV_USE_POLL
372	# define EV_USE_POLL 0	400	# define EV_USE_POLL 0
		401	#endif
		402
		403	#if EV_USE_LINUXAIO
		404	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
373	#endif	405	#endif
374		406
375	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	407	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
376	/* which makes programs even slower. might work on other unices, too. */	408	/* which makes programs even slower. might work on other unices, too. */
377	#if EV_USE_CLOCK_SYSCALL	409	#if EV_USE_CLOCK_SYSCALL
…		…
405		437
406	#if !EV_USE_NANOSLEEP	438	#if !EV_USE_NANOSLEEP
407	/* hp-ux has it in sys/time.h, which we unconditionally include above */	439	/* hp-ux has it in sys/time.h, which we unconditionally include above */
408	# if !defined _WIN32 && !defined __hpux	440	# if !defined _WIN32 && !defined __hpux
409	# include <sys/select.h>	441	# include <sys/select.h>
		442	# endif
		443	#endif
		444
		445	#if EV_USE_LINUXAIO
		446	# include <sys/syscall.h>
		447	# if !SYS_io_getevents
		448	# undef EV_USE_LINUXAIO
		449	# define EV_USE_LINUXAIO 0
410	# endif	450	# endif
411	#endif	451	#endif
412		452
413	#if EV_USE_INOTIFY	453	#if EV_USE_INOTIFY
414	# include <sys/statfs.h>	454	# include <sys/statfs.h>
…		…
482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	522	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
483	/* ECB.H BEGIN */	523	/* ECB.H BEGIN */
484	/*	524	/*
485	* libecb - http://software.schmorp.de/pkg/libecb	525	* libecb - http://software.schmorp.de/pkg/libecb
486	*	526	*
487	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>	527	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488	* Copyright (©) 2011 Emanuele Giaquinta	528	* Copyright (©) 2011 Emanuele Giaquinta
489	* All rights reserved.	529	* All rights reserved.
490	*	530	*
491	* Redistribution and use in source and binary forms, with or without modifica-	531	* Redistribution and use in source and binary forms, with or without modifica-
492	* tion, are permitted provided that the following conditions are met:	532	* tion, are permitted provided that the following conditions are met:
…		…
523		563
524	#ifndef ECB_H	564	#ifndef ECB_H
525	#define ECB_H	565	#define ECB_H
526		566
527	/* 16 bits major, 16 bits minor */	567	/* 16 bits major, 16 bits minor */
528	#define ECB_VERSION 0x00010003	568	#define ECB_VERSION 0x00010005
529		569
530	#ifdef _WIN32	570	#ifdef _WIN32
531	typedef signed char int8_t;	571	typedef signed char int8_t;
532	typedef unsigned char uint8_t;	572	typedef unsigned char uint8_t;
533	typedef signed short int16_t;	573	typedef signed short int16_t;
…		…
550	typedef uint32_t uintptr_t;	590	typedef uint32_t uintptr_t;
551	typedef int32_t intptr_t;	591	typedef int32_t intptr_t;
552	#endif	592	#endif
553	#else	593	#else
554	#include <inttypes.h>	594	#include <inttypes.h>
555	#if UINTMAX_MAX > 0xffffffffU	595	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
556	#define ECB_PTRSIZE 8	596	#define ECB_PTRSIZE 8
557	#else	597	#else
558	#define ECB_PTRSIZE 4	598	#define ECB_PTRSIZE 4
559	#endif	599	#endif
560	#endif	600	#endif
561		601
		602	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		603	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		604
562	/* work around x32 idiocy by defining proper macros */	605	/* work around x32 idiocy by defining proper macros */
563	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	606	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
564	#if _ILP32	607	#if _ILP32
565	#define ECB_AMD64_X32 1	608	#define ECB_AMD64_X32 1
566	#else	609	#else
567	#define ECB_AMD64 1	610	#define ECB_AMD64 1
568	#endif	611	#endif
…		…
573	* causing enormous grief in return for some better fake benchmark numbers.	616	* causing enormous grief in return for some better fake benchmark numbers.
574	* or so.	617	* or so.
575	* we try to detect these and simply assume they are not gcc - if they have	618	* we try to detect these and simply assume they are not gcc - if they have
576	* an issue with that they should have done it right in the first place.	619	* an issue with that they should have done it right in the first place.
577	*/	620	*/
578	#ifndef ECB_GCC_VERSION
579	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	621	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
580	#define ECB_GCC_VERSION(major,minor) 0	622	#define ECB_GCC_VERSION(major,minor) 0
581	#else	623	#else
582	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	624	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
583	#endif	625	#endif
		626
		627	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		628
		629	#if __clang__ && defined __has_builtin
		630	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		631	#else
		632	#define ECB_CLANG_BUILTIN(x) 0
		633	#endif
		634
		635	#if __clang__ && defined __has_extension
		636	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		637	#else
		638	#define ECB_CLANG_EXTENSION(x) 0
584	#endif	639	#endif
585		640
586	#define ECB_CPP (__cplusplus+0)	641	#define ECB_CPP (__cplusplus+0)
587	#define ECB_CPP11 (__cplusplus >= 201103L)	642	#define ECB_CPP11 (__cplusplus >= 201103L)
		643	#define ECB_CPP14 (__cplusplus >= 201402L)
		644	#define ECB_CPP17 (__cplusplus >= 201703L)
588		645
589	#if ECB_CPP	646	#if ECB_CPP
590	#define ECB_C 0	647	#define ECB_C 0
591	#define ECB_STDC_VERSION 0	648	#define ECB_STDC_VERSION 0
592	#else	649	#else
…		…
594	#define ECB_STDC_VERSION __STDC_VERSION__	651	#define ECB_STDC_VERSION __STDC_VERSION__
595	#endif	652	#endif
596		653
597	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)	654	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
598	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)	655	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		656	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
599		657
600	#if ECB_CPP	658	#if ECB_CPP
601	#define ECB_EXTERN_C extern "C"	659	#define ECB_EXTERN_C extern "C"
602	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	660	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
603	#define ECB_EXTERN_C_END }	661	#define ECB_EXTERN_C_END }
…		…
616	#define ECB_NO_SMP 1	674	#define ECB_NO_SMP 1
617	#endif	675	#endif
618		676
619	#if ECB_NO_SMP	677	#if ECB_NO_SMP
620	#define ECB_MEMORY_FENCE do { } while (0)	678	#define ECB_MEMORY_FENCE do { } while (0)
		679	#endif
		680
		681	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		682	#if __xlC__ && ECB_CPP
		683	#include <builtins.h>
		684	#endif
		685
		686	#if 1400 <= _MSC_VER
		687	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
621	#endif	688	#endif
622		689
623	#ifndef ECB_MEMORY_FENCE	690	#ifndef ECB_MEMORY_FENCE
624	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	691	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
625	#if __i386 || __i386__	692	#if __i386 || __i386__
626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	693	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	694	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	695	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
629	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	696	#elif ECB_GCC_AMD64
630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	697	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
631	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	698	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
632	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	699	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
633	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	700	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
634	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	701	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		702	#elif defined __ARM_ARCH_2__ \
		703	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		704	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		705	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		706	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		707	|| defined __ARM_ARCH_5TEJ__
		708	/* should not need any, unless running old code on newer cpu - arm doesn't support that */
635	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	709	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
636	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	710	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		711	|| defined __ARM_ARCH_6T2__
637	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	712	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
638	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	713	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
639	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	714	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
640	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	715	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
641	#elif __aarch64__	716	#elif __aarch64__
642	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	717	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
643	#elif (__sparc || __sparc__) && !__sparcv8	718	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
644	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	719	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
645	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	720	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
646	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	721	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
647	#elif defined __s390__ || defined __s390x__	722	#elif defined __s390__ || defined __s390x__
648	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	723	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
672	/* see comment below (stdatomic.h) about the C11 memory model. */	747	/* see comment below (stdatomic.h) about the C11 memory model. */
673	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	748	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
674	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	749	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
675	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)	750	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
676		751
677	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	752	#elif ECB_CLANG_EXTENSION(c_atomic)
678	* without risking compile time errors with other compilers. We *could*
679	* define our own ecb_clang_has_feature, but I just can't be bothered to work
680	* around this shit time and again.
681	* #elif defined __clang && __has_feature (cxx_atomic)
682	* // see comment below (stdatomic.h) about the C11 memory model.	753	/* see comment below (stdatomic.h) about the C11 memory model. */
683	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	754	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
684	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	755	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
685	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	756	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
686	*/
687		757
688	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	758	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
689	#define ECB_MEMORY_FENCE __sync_synchronize ()	759	#define ECB_MEMORY_FENCE __sync_synchronize ()
690	#elif _MSC_VER >= 1500 /* VC++ 2008 */	760	#elif _MSC_VER >= 1500 /* VC++ 2008 */
691	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	761	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
754	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	824	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
755	#endif	825	#endif
756		826
757	/*****************************************************************************/	827	/*****************************************************************************/
758		828
759	#if __cplusplus	829	#if ECB_CPP
760	#define ecb_inline static inline	830	#define ecb_inline static inline
761	#elif ECB_GCC_VERSION(2,5)	831	#elif ECB_GCC_VERSION(2,5)
762	#define ecb_inline static __inline__	832	#define ecb_inline static __inline__
763	#elif ECB_C99	833	#elif ECB_C99
764	#define ecb_inline static inline	834	#define ecb_inline static inline
…		…
778		848
779	#define ECB_CONCAT_(a, b) a ## b	849	#define ECB_CONCAT_(a, b) a ## b
780	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	850	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
781	#define ECB_STRINGIFY_(a) # a	851	#define ECB_STRINGIFY_(a) # a
782	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	852	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		853	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
783		854
784	#define ecb_function_ ecb_inline	855	#define ecb_function_ ecb_inline
785		856
786	#if ECB_GCC_VERSION(3,1)	857	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
787	#define ecb_attribute(attrlist) __attribute__(attrlist)	858	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		859	#else
		860	#define ecb_attribute(attrlist)
		861	#endif
		862
		863	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
788	#define ecb_is_constant(expr) __builtin_constant_p (expr)	864	#define ecb_is_constant(expr) __builtin_constant_p (expr)
789	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
790	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
791	#else	865	#else
792	#define ecb_attribute(attrlist)
793
794	/* possible C11 impl for integral types	866	/* possible C11 impl for integral types
795	typedef struct ecb_is_constant_struct ecb_is_constant_struct;	867	typedef struct ecb_is_constant_struct ecb_is_constant_struct;
796	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */	868	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
797		869
798	#define ecb_is_constant(expr) 0	870	#define ecb_is_constant(expr) 0
		871	#endif
		872
		873	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
		874	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		875	#else
799	#define ecb_expect(expr,value) (expr)	876	#define ecb_expect(expr,value) (expr)
		877	#endif
		878
		879	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
		880	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		881	#else
800	#define ecb_prefetch(addr,rw,locality)	882	#define ecb_prefetch(addr,rw,locality)
801	#endif	883	#endif
802		884
803	/* no emulation for ecb_decltype */	885	/* no emulation for ecb_decltype */
804	#if ECB_GCC_VERSION(4,5)	886	#if ECB_CPP11
		887	// older implementations might have problems with decltype(x)::type, work around it
		888	template<class T> struct ecb_decltype_t { typedef T type; };
805	#define ecb_decltype(x) __decltype(x)	889	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
806	#elif ECB_GCC_VERSION(3,0)	890	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
807	#define ecb_decltype(x) __typeof(x)	891	#define ecb_decltype(x) __typeof__ (x)
808	#endif	892	#endif
809		893
		894	#if _MSC_VER >= 1300
		895	#define ecb_deprecated __declspec (deprecated)
		896	#else
		897	#define ecb_deprecated ecb_attribute ((__deprecated__))
		898	#endif
		899
		900	#if _MSC_VER >= 1500
		901	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		902	#elif ECB_GCC_VERSION(4,5)
		903	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		904	#else
		905	#define ecb_deprecated_message(msg) ecb_deprecated
		906	#endif
		907
		908	#if _MSC_VER >= 1400
		909	#define ecb_noinline __declspec (noinline)
		910	#else
810	#define ecb_noinline ecb_attribute ((__noinline__))	911	#define ecb_noinline ecb_attribute ((__noinline__))
		912	#endif
		913
811	#define ecb_unused ecb_attribute ((__unused__))	914	#define ecb_unused ecb_attribute ((__unused__))
812	#define ecb_const ecb_attribute ((__const__))	915	#define ecb_const ecb_attribute ((__const__))
813	#define ecb_pure ecb_attribute ((__pure__))	916	#define ecb_pure ecb_attribute ((__pure__))
814		917
815	#if ECB_C11	918	#if ECB_C11 || __IBMC_NORETURN
		919	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
816	#define ecb_noreturn _Noreturn	920	#define ecb_noreturn _Noreturn
		921	#elif ECB_CPP11
		922	#define ecb_noreturn [[noreturn]]
		923	#elif _MSC_VER >= 1200
		924	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		925	#define ecb_noreturn __declspec (noreturn)
817	#else	926	#else
818	#define ecb_noreturn ecb_attribute ((__noreturn__))	927	#define ecb_noreturn ecb_attribute ((__noreturn__))
819	#endif	928	#endif
820		929
821	#if ECB_GCC_VERSION(4,3)	930	#if ECB_GCC_VERSION(4,3)
…		…
836	/* for compatibility to the rest of the world */	945	/* for compatibility to the rest of the world */
837	#define ecb_likely(expr) ecb_expect_true (expr)	946	#define ecb_likely(expr) ecb_expect_true (expr)
838	#define ecb_unlikely(expr) ecb_expect_false (expr)	947	#define ecb_unlikely(expr) ecb_expect_false (expr)
839		948
840	/* count trailing zero bits and count # of one bits */	949	/* count trailing zero bits and count # of one bits */
841	#if ECB_GCC_VERSION(3,4)	950	#if ECB_GCC_VERSION(3,4) \
		951	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		952	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		953	&& ECB_CLANG_BUILTIN(__builtin_popcount))
842	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	954	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
843	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	955	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
844	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	956	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
845	#define ecb_ctz32(x) __builtin_ctz (x)	957	#define ecb_ctz32(x) __builtin_ctz (x)
846	#define ecb_ctz64(x) __builtin_ctzll (x)	958	#define ecb_ctz64(x) __builtin_ctzll (x)
847	#define ecb_popcount32(x) __builtin_popcount (x)	959	#define ecb_popcount32(x) __builtin_popcount (x)
848	/* no popcountll */	960	/* no popcountll */
849	#else	961	#else
850	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	962	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
851	ecb_function_ int	963	ecb_function_ ecb_const int
852	ecb_ctz32 (uint32_t x)	964	ecb_ctz32 (uint32_t x)
853	{	965	{
		966	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		967	unsigned long r;
		968	_BitScanForward (&r, x);
		969	return (int)r;
		970	#else
854	int r = 0;	971	int r = 0;
855		972
856	x &= ~x + 1; /* this isolates the lowest bit */	973	x &= ~x + 1; /* this isolates the lowest bit */
857		974
858	#if ECB_branchless_on_i386	975	#if ECB_branchless_on_i386
…		…
868	if (x & 0xff00ff00) r += 8;	985	if (x & 0xff00ff00) r += 8;
869	if (x & 0xffff0000) r += 16;	986	if (x & 0xffff0000) r += 16;
870	#endif	987	#endif
871		988
872	return r;	989	return r;
		990	#endif
873	}	991	}
874		992
875	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	993	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
876	ecb_function_ int	994	ecb_function_ ecb_const int
877	ecb_ctz64 (uint64_t x)	995	ecb_ctz64 (uint64_t x)
878	{	996	{
		997	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		998	unsigned long r;
		999	_BitScanForward64 (&r, x);
		1000	return (int)r;
		1001	#else
879	int shift = x & 0xffffffffU ? 0 : 32;	1002	int shift = x & 0xffffffff ? 0 : 32;
880	return ecb_ctz32 (x >> shift) + shift;	1003	return ecb_ctz32 (x >> shift) + shift;
		1004	#endif
881	}	1005	}
882		1006
883	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1007	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
884	ecb_function_ int	1008	ecb_function_ ecb_const int
885	ecb_popcount32 (uint32_t x)	1009	ecb_popcount32 (uint32_t x)
886	{	1010	{
887	x -= (x >> 1) & 0x55555555;	1011	x -= (x >> 1) & 0x55555555;
888	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1012	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
889	x = ((x >> 4) + x) & 0x0f0f0f0f;	1013	x = ((x >> 4) + x) & 0x0f0f0f0f;
890	x *= 0x01010101;	1014	x *= 0x01010101;
891		1015
892	return x >> 24;	1016	return x >> 24;
893	}	1017	}
894		1018
895	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1019	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
896	ecb_function_ int ecb_ld32 (uint32_t x)	1020	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
897	{	1021	{
		1022	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1023	unsigned long r;
		1024	_BitScanReverse (&r, x);
		1025	return (int)r;
		1026	#else
898	int r = 0;	1027	int r = 0;
899		1028
900	if (x >> 16) { x >>= 16; r += 16; }	1029	if (x >> 16) { x >>= 16; r += 16; }
901	if (x >> 8) { x >>= 8; r += 8; }	1030	if (x >> 8) { x >>= 8; r += 8; }
902	if (x >> 4) { x >>= 4; r += 4; }	1031	if (x >> 4) { x >>= 4; r += 4; }
903	if (x >> 2) { x >>= 2; r += 2; }	1032	if (x >> 2) { x >>= 2; r += 2; }
904	if (x >> 1) { r += 1; }	1033	if (x >> 1) { r += 1; }
905		1034
906	return r;	1035	return r;
		1036	#endif
907	}	1037	}
908		1038
909	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1039	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
910	ecb_function_ int ecb_ld64 (uint64_t x)	1040	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
911	{	1041	{
		1042	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1043	unsigned long r;
		1044	_BitScanReverse64 (&r, x);
		1045	return (int)r;
		1046	#else
912	int r = 0;	1047	int r = 0;
913		1048
914	if (x >> 32) { x >>= 32; r += 32; }	1049	if (x >> 32) { x >>= 32; r += 32; }
915		1050
916	return r + ecb_ld32 (x);	1051	return r + ecb_ld32 (x);
		1052	#endif
917	}	1053	}
918	#endif	1054	#endif
919		1055
920	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1056	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
921	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }	1057	ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
922	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;	1058	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x);
923	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }	1059	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
924		1060
925	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1061	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
926	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1062	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
927	{	1063	{
928	return ( (x * 0x0802U & 0x22110U)	1064	return ( (x * 0x0802U & 0x22110U)
929	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1065	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
930	}	1066	}
931		1067
932	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1068	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
933	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1069	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
934	{	1070	{
935	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1071	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
936	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1072	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
937	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1073	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
938	x = ( x >> 8 ) | ( x << 8);	1074	x = ( x >> 8 ) | ( x << 8);
939		1075
940	return x;	1076	return x;
941	}	1077	}
942		1078
943	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1079	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
944	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1080	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
945	{	1081	{
946	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1082	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
947	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1083	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
948	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1084	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
949	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1085	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
952	return x;	1088	return x;
953	}	1089	}
954		1090
955	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1091	/* popcount64 is only available on 64 bit cpus as gcc builtin */
956	/* so for this version we are lazy */	1092	/* so for this version we are lazy */
957	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1093	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
958	ecb_function_ int	1094	ecb_function_ ecb_const int
959	ecb_popcount64 (uint64_t x)	1095	ecb_popcount64 (uint64_t x)
960	{	1096	{
961	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1097	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
962	}	1098	}
963		1099
964	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1100	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count);
965	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;	1101	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count);
966	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;	1102	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count);
967	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;	1103	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count);
968	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;	1104	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count);
969	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;	1105	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count);
970	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;	1106	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count);
971	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;	1107	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
972		1108
973	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1109	ecb_inline ecb_const uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
974	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }	1110	ecb_inline ecb_const uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
975	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }	1111	ecb_inline ecb_const uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
976	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }	1112	ecb_inline ecb_const uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
977	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }	1113	ecb_inline ecb_const uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
978	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }	1114	ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
979	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }	1115	ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
980	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }	1116	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
981		1117
982	#if ECB_GCC_VERSION(4,3)	1118	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1119	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1120	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1121	#else
983	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1122	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1123	#endif
984	#define ecb_bswap32(x) __builtin_bswap32 (x)	1124	#define ecb_bswap32(x) __builtin_bswap32 (x)
985	#define ecb_bswap64(x) __builtin_bswap64 (x)	1125	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1126	#elif _MSC_VER
		1127	#include <stdlib.h>
		1128	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1129	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1130	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
986	#else	1131	#else
987	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1132	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
988	ecb_function_ uint16_t	1133	ecb_function_ ecb_const uint16_t
989	ecb_bswap16 (uint16_t x)	1134	ecb_bswap16 (uint16_t x)
990	{	1135	{
991	return ecb_rotl16 (x, 8);	1136	return ecb_rotl16 (x, 8);
992	}	1137	}
993		1138
994	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1139	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
995	ecb_function_ uint32_t	1140	ecb_function_ ecb_const uint32_t
996	ecb_bswap32 (uint32_t x)	1141	ecb_bswap32 (uint32_t x)
997	{	1142	{
998	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1143	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
999	}	1144	}
1000		1145
1001	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1146	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1002	ecb_function_ uint64_t	1147	ecb_function_ ecb_const uint64_t
1003	ecb_bswap64 (uint64_t x)	1148	ecb_bswap64 (uint64_t x)
1004	{	1149	{
1005	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1150	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1006	}	1151	}
1007	#endif	1152	#endif
1008		1153
1009	#if ECB_GCC_VERSION(4,5)	1154	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1010	#define ecb_unreachable() __builtin_unreachable ()	1155	#define ecb_unreachable() __builtin_unreachable ()
1011	#else	1156	#else
1012	/* this seems to work fine, but gcc always emits a warning for it :/ */	1157	/* this seems to work fine, but gcc always emits a warning for it :/ */
1013	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1158	ecb_inline ecb_noreturn void ecb_unreachable (void);
1014	ecb_inline void ecb_unreachable (void) { }	1159	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1015	#endif	1160	#endif
1016		1161
1017	/* try to tell the compiler that some condition is definitely true */	1162	/* try to tell the compiler that some condition is definitely true */
1018	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1163	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1019		1164
1020	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1165	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1021	ecb_inline unsigned char	1166	ecb_inline ecb_const uint32_t
1022	ecb_byteorder_helper (void)	1167	ecb_byteorder_helper (void)
1023	{	1168	{
1024	/* the union code still generates code under pressure in gcc, */	1169	/* the union code still generates code under pressure in gcc, */
1025	/* but less than using pointers, and always seems to */	1170	/* but less than using pointers, and always seems to */
1026	/* successfully return a constant. */	1171	/* successfully return a constant. */
1027	/* the reason why we have this horrible preprocessor mess */	1172	/* the reason why we have this horrible preprocessor mess */
1028	/* is to avoid it in all cases, at least on common architectures */	1173	/* is to avoid it in all cases, at least on common architectures */
1029	/* or when using a recent enough gcc version (>= 4.6) */	1174	/* or when using a recent enough gcc version (>= 4.6) */
1030	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
1031	return 0x44;
1032	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__	1175	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1176	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1177	#define ECB_LITTLE_ENDIAN 1
1033	return 0x44;	1178	return 0x44332211;
1034	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1179	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1180	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1181	#define ECB_BIG_ENDIAN 1
1035	return 0x11;	1182	return 0x11223344;
1036	#else	1183	#else
1037	union	1184	union
1038	{	1185	{
		1186	uint8_t c[4];
1039	uint32_t i;	1187	uint32_t u;
1040	uint8_t c;
1041	} u = { 0x11223344 };	1188	} u = { 0x11, 0x22, 0x33, 0x44 };
1042	return u.c;	1189	return u.u;
1043	#endif	1190	#endif
1044	}	1191	}
1045		1192
1046	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1193	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1047	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1194	ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1048	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1195	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1049	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1196	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1050		1197
1051	#if ECB_GCC_VERSION(3,0) || ECB_C99	1198	#if ECB_GCC_VERSION(3,0) || ECB_C99
1052	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1199	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1053	#else	1200	#else
1054	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1201	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1055	#endif	1202	#endif
1056		1203
1057	#if __cplusplus	1204	#if ECB_CPP
1058	template<typename T>	1205	template<typename T>
1059	static inline T ecb_div_rd (T val, T div)	1206	static inline T ecb_div_rd (T val, T div)
1060	{	1207	{
1061	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1208	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1062	}	1209	}
…		…
1079	}	1226	}
1080	#else	1227	#else
1081	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1228	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1082	#endif	1229	#endif
1083		1230
		1231	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1232	ecb_function_ ecb_const uint32_t
		1233	ecb_binary16_to_binary32 (uint32_t x)
		1234	{
		1235	unsigned int s = (x & 0x8000) << (31 - 15);
		1236	int e = (x >> 10) & 0x001f;
		1237	unsigned int m = x & 0x03ff;
		1238
		1239	if (ecb_expect_false (e == 31))
		1240	/* infinity or NaN */
		1241	e = 255 - (127 - 15);
		1242	else if (ecb_expect_false (!e))
		1243	{
		1244	if (ecb_expect_true (!m))
		1245	/* zero, handled by code below by forcing e to 0 */
		1246	e = 0 - (127 - 15);
		1247	else
		1248	{
		1249	/* subnormal, renormalise */
		1250	unsigned int s = 10 - ecb_ld32 (m);
		1251
		1252	m = (m << s) & 0x3ff; /* mask implicit bit */
		1253	e -= s - 1;
		1254	}
		1255	}
		1256
		1257	/* e and m now are normalised, or zero, (or inf or nan) */
		1258	e += 127 - 15;
		1259
		1260	return s | (e << 23) | (m << (23 - 10));
		1261	}
		1262
		1263	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1264	ecb_function_ ecb_const uint16_t
		1265	ecb_binary32_to_binary16 (uint32_t x)
		1266	{
		1267	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1268	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1269	unsigned int m = x & 0x007fffff;
		1270
		1271	x &= 0x7fffffff;
		1272
		1273	/* if it's within range of binary16 normals, use fast path */
		1274	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1275	{
		1276	/* mantissa round-to-even */
		1277	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1278
		1279	/* handle overflow */
		1280	if (ecb_expect_false (m >= 0x00800000))
		1281	{
		1282	m >>= 1;
		1283	e += 1;
		1284	}
		1285
		1286	return s | (e << 10) | (m >> (23 - 10));
		1287	}
		1288
		1289	/* handle large numbers and infinity */
		1290	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1291	return s | 0x7c00;
		1292
		1293	/* handle zero, subnormals and small numbers */
		1294	if (ecb_expect_true (x < 0x38800000))
		1295	{
		1296	/* zero */
		1297	if (ecb_expect_true (!x))
		1298	return s;
		1299
		1300	/* handle subnormals */
		1301
		1302	/* too small, will be zero */
		1303	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1304	return s;
		1305
		1306	m |= 0x00800000; /* make implicit bit explicit */
		1307
		1308	/* very tricky - we need to round to the nearest e (+10) bit value */
		1309	{
		1310	unsigned int bits = 14 - e;
		1311	unsigned int half = (1 << (bits - 1)) - 1;
		1312	unsigned int even = (m >> bits) & 1;
		1313
		1314	/* if this overflows, we will end up with a normalised number */
		1315	m = (m + half + even) >> bits;
		1316	}
		1317
		1318	return s | m;
		1319	}
		1320
		1321	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1322	m >>= 13;
		1323
		1324	return s | 0x7c00 | m | !m;
		1325	}
		1326
1084	/*******************************************************************************/	1327	/*******************************************************************************/
1085	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1328	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1086		1329
1087	/* basically, everything uses "ieee pure-endian" floating point numbers */	1330	/* basically, everything uses "ieee pure-endian" floating point numbers */
1088	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1331	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1089	#if 0 \	1332	#if 0 \
1090	|| __i386 || __i386__ \	1333	|| __i386 || __i386__ \
1091	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1334	|| ECB_GCC_AMD64 \
1092	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1335	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1093	|| defined __s390__ || defined __s390x__ \	1336	|| defined __s390__ || defined __s390x__ \
1094	|| defined __mips__ \	1337	|| defined __mips__ \
1095	|| defined __alpha__ \	1338	|| defined __alpha__ \
1096	|| defined __hppa__ \	1339	|| defined __hppa__ \
1097	|| defined __ia64__ \	1340	|| defined __ia64__ \
1098	|| defined __m68k__ \	1341	|| defined __m68k__ \
1099	|| defined __m88k__ \	1342	|| defined __m88k__ \
1100	|| defined __sh__ \	1343	|| defined __sh__ \
1101	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1344	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1102	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \	1345	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1103	|| defined __aarch64__	1346	|| defined __aarch64__
1104	#define ECB_STDFP 1	1347	#define ECB_STDFP 1
1105	#include <string.h> /* for memcpy */	1348	#include <string.h> /* for memcpy */
1106	#else	1349	#else
…		…
1122	#define ECB_NAN NAN	1365	#define ECB_NAN NAN
1123	#else	1366	#else
1124	#define ECB_NAN ECB_INFINITY	1367	#define ECB_NAN ECB_INFINITY
1125	#endif	1368	#endif
1126		1369
1127	/* converts an ieee half/binary16 to a float */	1370	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1128	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1371	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1129	ecb_function_ float	1372	#define ecb_frexpf(x,e) frexpf ((x), (e))
1130	ecb_binary16_to_float (uint16_t x)	1373	#else
1131	{	1374	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1132	int e = (x >> 10) & 0x1f;	1375	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1133	int m = x & 0x3ff;	1376	#endif
1134	float r;
1135
1136	if (!e ) r = ldexpf (m , -24);
1137	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1138	else if (m ) r = ECB_NAN;
1139	else r = ECB_INFINITY;
1140
1141	return x & 0x8000 ? -r : r;
1142	}
1143		1377
1144	/* convert a float to ieee single/binary32 */	1378	/* convert a float to ieee single/binary32 */
1145	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1379	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1146	ecb_function_ uint32_t	1380	ecb_function_ ecb_const uint32_t
1147	ecb_float_to_binary32 (float x)	1381	ecb_float_to_binary32 (float x)
1148	{	1382	{
1149	uint32_t r;	1383	uint32_t r;
1150		1384
1151	#if ECB_STDFP	1385	#if ECB_STDFP
…		…
1158	if (x == 0e0f ) return 0x00000000U;	1392	if (x == 0e0f ) return 0x00000000U;
1159	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1393	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1160	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1394	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1161	if (x != x ) return 0x7fbfffffU;	1395	if (x != x ) return 0x7fbfffffU;
1162		1396
1163	m = frexpf (x, &e) * 0x1000000U;	1397	m = ecb_frexpf (x, &e) * 0x1000000U;
1164		1398
1165	r = m & 0x80000000U;	1399	r = m & 0x80000000U;
1166		1400
1167	if (r)	1401	if (r)
1168	m = -m;	1402	m = -m;
…		…
1180		1414
1181	return r;	1415	return r;
1182	}	1416	}
1183		1417
1184	/* converts an ieee single/binary32 to a float */	1418	/* converts an ieee single/binary32 to a float */
1185	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1419	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1186	ecb_function_ float	1420	ecb_function_ ecb_const float
1187	ecb_binary32_to_float (uint32_t x)	1421	ecb_binary32_to_float (uint32_t x)
1188	{	1422	{
1189	float r;	1423	float r;
1190		1424
1191	#if ECB_STDFP	1425	#if ECB_STDFP
…		…
1201	x |= 0x800000U;	1435	x |= 0x800000U;
1202	else	1436	else
1203	e = 1;	1437	e = 1;
1204		1438
1205	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1439	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1206	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1440	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1207		1441
1208	r = neg ? -r : r;	1442	r = neg ? -r : r;
1209	#endif	1443	#endif
1210		1444
1211	return r;	1445	return r;
1212	}	1446	}
1213		1447
1214	/* convert a double to ieee double/binary64 */	1448	/* convert a double to ieee double/binary64 */
1215	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1449	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1216	ecb_function_ uint64_t	1450	ecb_function_ ecb_const uint64_t
1217	ecb_double_to_binary64 (double x)	1451	ecb_double_to_binary64 (double x)
1218	{	1452	{
1219	uint64_t r;	1453	uint64_t r;
1220		1454
1221	#if ECB_STDFP	1455	#if ECB_STDFP
…		…
1250		1484
1251	return r;	1485	return r;
1252	}	1486	}
1253		1487
1254	/* converts an ieee double/binary64 to a double */	1488	/* converts an ieee double/binary64 to a double */
1255	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1489	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1256	ecb_function_ double	1490	ecb_function_ ecb_const double
1257	ecb_binary64_to_double (uint64_t x)	1491	ecb_binary64_to_double (uint64_t x)
1258	{	1492	{
1259	double r;	1493	double r;
1260		1494
1261	#if ECB_STDFP	1495	#if ECB_STDFP
…		…
1277		1511
1278	r = neg ? -r : r;	1512	r = neg ? -r : r;
1279	#endif	1513	#endif
1280		1514
1281	return r;	1515	return r;
		1516	}
		1517
		1518	/* convert a float to ieee half/binary16 */
		1519	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1520	ecb_function_ ecb_const uint16_t
		1521	ecb_float_to_binary16 (float x)
		1522	{
		1523	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1524	}
		1525
		1526	/* convert an ieee half/binary16 to float */
		1527	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1528	ecb_function_ ecb_const float
		1529	ecb_binary16_to_float (uint16_t x)
		1530	{
		1531	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1282	}	1532	}
1283		1533
1284	#endif	1534	#endif
1285		1535
1286	#endif	1536	#endif
…		…
1311	#define inline_size ecb_inline	1561	#define inline_size ecb_inline
1312		1562
1313	#if EV_FEATURE_CODE	1563	#if EV_FEATURE_CODE
1314	# define inline_speed ecb_inline	1564	# define inline_speed ecb_inline
1315	#else	1565	#else
1316	# define inline_speed static noinline	1566	# define inline_speed noinline static
1317	#endif	1567	#endif
1318		1568
1319	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1569	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1320		1570
1321	#if EV_MINPRI == EV_MAXPRI	1571	#if EV_MINPRI == EV_MAXPRI
1322	# define ABSPRI(w) (((W)w), 0)	1572	# define ABSPRI(w) (((W)w), 0)
1323	#else	1573	#else
1324	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1574	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1325	#endif	1575	#endif
1326		1576
1327	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1577	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1328	#define EMPTY2(a,b) /* used to suppress some warnings */
1329		1578
1330	typedef ev_watcher *W;	1579	typedef ev_watcher *W;
1331	typedef ev_watcher_list *WL;	1580	typedef ev_watcher_list *WL;
1332	typedef ev_watcher_time *WT;	1581	typedef ev_watcher_time *WT;
1333		1582
…		…
1368	#else	1617	#else
1369		1618
1370	#include <float.h>	1619	#include <float.h>
1371		1620
1372	/* a floor() replacement function, should be independent of ev_tstamp type */	1621	/* a floor() replacement function, should be independent of ev_tstamp type */
		1622	noinline
1373	static ev_tstamp noinline	1623	static ev_tstamp
1374	ev_floor (ev_tstamp v)	1624	ev_floor (ev_tstamp v)
1375	{	1625	{
1376	/* the choice of shift factor is not terribly important */	1626	/* the choice of shift factor is not terribly important */
1377	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1627	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1378	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1628	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1410		1660
1411	#ifdef __linux	1661	#ifdef __linux
1412	# include <sys/utsname.h>	1662	# include <sys/utsname.h>
1413	#endif	1663	#endif
1414		1664
1415	static unsigned int noinline ecb_cold	1665	noinline ecb_cold
		1666	static unsigned int
1416	ev_linux_version (void)	1667	ev_linux_version (void)
1417	{	1668	{
1418	#ifdef __linux	1669	#ifdef __linux
1419	unsigned int v = 0;	1670	unsigned int v = 0;
1420	struct utsname buf;	1671	struct utsname buf;
…		…
1449	}	1700	}
1450		1701
1451	/*****************************************************************************/	1702	/*****************************************************************************/
1452		1703
1453	#if EV_AVOID_STDIO	1704	#if EV_AVOID_STDIO
1454	static void noinline ecb_cold	1705	noinline ecb_cold
		1706	static void
1455	ev_printerr (const char *msg)	1707	ev_printerr (const char *msg)
1456	{	1708	{
1457	write (STDERR_FILENO, msg, strlen (msg));	1709	write (STDERR_FILENO, msg, strlen (msg));
1458	}	1710	}
1459	#endif	1711	#endif
1460		1712
1461	static void (*syserr_cb)(const char *msg) EV_THROW;	1713	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1462		1714
1463	void ecb_cold	1715	ecb_cold
		1716	void
1464	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1717	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1465	{	1718	{
1466	syserr_cb = cb;	1719	syserr_cb = cb;
1467	}	1720	}
1468		1721
1469	static void noinline ecb_cold	1722	noinline ecb_cold
		1723	static void
1470	ev_syserr (const char *msg)	1724	ev_syserr (const char *msg)
1471	{	1725	{
1472	if (!msg)	1726	if (!msg)
1473	msg = "(libev) system error";	1727	msg = "(libev) system error";
1474		1728
…		…
1487	abort ();	1741	abort ();
1488	}	1742	}
1489	}	1743	}
1490		1744
1491	static void *	1745	static void *
1492	ev_realloc_emul (void *ptr, long size) EV_THROW	1746	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1493	{	1747	{
1494	/* some systems, notably openbsd and darwin, fail to properly	1748	/* some systems, notably openbsd and darwin, fail to properly
1495	* implement realloc (x, 0) (as required by both ansi c-89 and	1749	* implement realloc (x, 0) (as required by both ansi c-89 and
1496	* the single unix specification, so work around them here.	1750	* the single unix specification, so work around them here.
1497	* recently, also (at least) fedora and debian started breaking it,	1751	* recently, also (at least) fedora and debian started breaking it,
…		…
1503		1757
1504	free (ptr);	1758	free (ptr);
1505	return 0;	1759	return 0;
1506	}	1760	}
1507		1761
1508	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1762	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1509		1763
1510	void ecb_cold	1764	ecb_cold
		1765	void
1511	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1766	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1512	{	1767	{
1513	alloc = cb;	1768	alloc = cb;
1514	}	1769	}
1515		1770
1516	inline_speed void *	1771	inline_speed void *
…		…
1543	typedef struct	1798	typedef struct
1544	{	1799	{
1545	WL head;	1800	WL head;
1546	unsigned char events; /* the events watched for */	1801	unsigned char events; /* the events watched for */
1547	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1802	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */
1548	unsigned char emask; /* the epoll backend stores the actual kernel mask in here */	1803	unsigned char emask; /* some backends store the actual kernel mask in here */
1549	unsigned char unused;	1804	unsigned char unused;
1550	#if EV_USE_EPOLL	1805	#if EV_USE_EPOLL
1551	unsigned int egen; /* generation counter to counter epoll bugs */	1806	unsigned int egen; /* generation counter to counter epoll bugs */
1552	#endif	1807	#endif
1553	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1808	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1633		1888
1634	/*****************************************************************************/	1889	/*****************************************************************************/
1635		1890
1636	#ifndef EV_HAVE_EV_TIME	1891	#ifndef EV_HAVE_EV_TIME
1637	ev_tstamp	1892	ev_tstamp
1638	ev_time (void) EV_THROW	1893	ev_time (void) EV_NOEXCEPT
1639	{	1894	{
1640	#if EV_USE_REALTIME	1895	#if EV_USE_REALTIME
1641	if (expect_true (have_realtime))	1896	if (expect_true (have_realtime))
1642	{	1897	{
1643	struct timespec ts;	1898	struct timespec ts;
…		…
1667	return ev_time ();	1922	return ev_time ();
1668	}	1923	}
1669		1924
1670	#if EV_MULTIPLICITY	1925	#if EV_MULTIPLICITY
1671	ev_tstamp	1926	ev_tstamp
1672	ev_now (EV_P) EV_THROW	1927	ev_now (EV_P) EV_NOEXCEPT
1673	{	1928	{
1674	return ev_rt_now;	1929	return ev_rt_now;
1675	}	1930	}
1676	#endif	1931	#endif
1677		1932
1678	void	1933	void
1679	ev_sleep (ev_tstamp delay) EV_THROW	1934	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1680	{	1935	{
1681	if (delay > 0.)	1936	if (delay > 0.)
1682	{	1937	{
1683	#if EV_USE_NANOSLEEP	1938	#if EV_USE_NANOSLEEP
1684	struct timespec ts;	1939	struct timespec ts;
1685		1940
1686	EV_TS_SET (ts, delay);	1941	EV_TS_SET (ts, delay);
1687	nanosleep (&ts, 0);	1942	nanosleep (&ts, 0);
1688	#elif defined _WIN32	1943	#elif defined _WIN32
		1944	/* maybe this should round up, as ms is very low resolution */
		1945	/* compared to select (µs) or nanosleep (ns) */
1689	Sleep ((unsigned long)(delay * 1e3));	1946	Sleep ((unsigned long)(delay * 1e3));
1690	#else	1947	#else
1691	struct timeval tv;	1948	struct timeval tv;
1692		1949
1693	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1950	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1724	}	1981	}
1725		1982
1726	return ncur;	1983	return ncur;
1727	}	1984	}
1728		1985
1729	static void * noinline ecb_cold	1986	noinline ecb_cold
		1987	static void *
1730	array_realloc (int elem, void *base, int *cur, int cnt)	1988	array_realloc (int elem, void *base, int *cur, int cnt)
1731	{	1989	{
1732	*cur = array_nextsize (elem, *cur, cnt);	1990	*cur = array_nextsize (elem, *cur, cnt);
1733	return ev_realloc (base, elem * *cur);	1991	return ev_realloc (base, elem * *cur);
1734	}	1992	}
1735		1993
		1994	#define array_needsize_noinit(base,count)
		1995
1736	#define array_init_zero(base,count) \	1996	#define array_needsize_zerofill(base,count) \
1737	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1997	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1738		1998
1739	#define array_needsize(type,base,cur,cnt,init) \	1999	#define array_needsize(type,base,cur,cnt,init) \
1740	if (expect_false ((cnt) > (cur))) \	2000	if (expect_false ((cnt) > (cur))) \
1741	{ \	2001	{ \
1742	int ecb_unused ocur_ = (cur); \	2002	ecb_unused int ocur_ = (cur); \
1743	(base) = (type *)array_realloc \	2003	(base) = (type *)array_realloc \
1744	(sizeof (type), (base), &(cur), (cnt)); \	2004	(sizeof (type), (base), &(cur), (cnt)); \
1745	init ((base) + (ocur_), (cur) - ocur_); \	2005	init ((base) + (ocur_), (cur) - ocur_); \
1746	}	2006	}
1747		2007
…		…
1759	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2019	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1760		2020
1761	/*****************************************************************************/	2021	/*****************************************************************************/
1762		2022
1763	/* dummy callback for pending events */	2023	/* dummy callback for pending events */
1764	static void noinline	2024	noinline
		2025	static void
1765	pendingcb (EV_P_ ev_prepare *w, int revents)	2026	pendingcb (EV_P_ ev_prepare *w, int revents)
1766	{	2027	{
1767	}	2028	}
1768		2029
1769	void noinline	2030	noinline
		2031	void
1770	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2032	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1771	{	2033	{
1772	W w_ = (W)w;	2034	W w_ = (W)w;
1773	int pri = ABSPRI (w_);	2035	int pri = ABSPRI (w_);
1774		2036
1775	if (expect_false (w_->pending))	2037	if (expect_false (w_->pending))
1776	pendings [pri][w_->pending - 1].events |= revents;	2038	pendings [pri][w_->pending - 1].events |= revents;
1777	else	2039	else
1778	{	2040	{
1779	w_->pending = ++pendingcnt [pri];	2041	w_->pending = ++pendingcnt [pri];
1780	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2042	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1781	pendings [pri][w_->pending - 1].w = w_;	2043	pendings [pri][w_->pending - 1].w = w_;
1782	pendings [pri][w_->pending - 1].events = revents;	2044	pendings [pri][w_->pending - 1].events = revents;
1783	}	2045	}
1784		2046
1785	pendingpri = NUMPRI - 1;	2047	pendingpri = NUMPRI - 1;
1786	}	2048	}
1787		2049
1788	inline_speed void	2050	inline_speed void
1789	feed_reverse (EV_P_ W w)	2051	feed_reverse (EV_P_ W w)
1790	{	2052	{
1791	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2053	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1792	rfeeds [rfeedcnt++] = w;	2054	rfeeds [rfeedcnt++] = w;
1793	}	2055	}
1794		2056
1795	inline_size void	2057	inline_size void
1796	feed_reverse_done (EV_P_ int revents)	2058	feed_reverse_done (EV_P_ int revents)
…		…
1836	if (expect_true (!anfd->reify))	2098	if (expect_true (!anfd->reify))
1837	fd_event_nocheck (EV_A_ fd, revents);	2099	fd_event_nocheck (EV_A_ fd, revents);
1838	}	2100	}
1839		2101
1840	void	2102	void
1841	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2103	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1842	{	2104	{
1843	if (fd >= 0 && fd < anfdmax)	2105	if (fd >= 0 && fd < anfdmax)
1844	fd_event_nocheck (EV_A_ fd, revents);	2106	fd_event_nocheck (EV_A_ fd, revents);
1845	}	2107	}
1846		2108
…		…
1904		2166
1905	fdchangecnt = 0;	2167	fdchangecnt = 0;
1906	}	2168	}
1907		2169
1908	/* something about the given fd changed */	2170	/* something about the given fd changed */
1909	inline_size void	2171	inline_size
		2172	void
1910	fd_change (EV_P_ int fd, int flags)	2173	fd_change (EV_P_ int fd, int flags)
1911	{	2174	{
1912	unsigned char reify = anfds [fd].reify;	2175	unsigned char reify = anfds [fd].reify;
1913	anfds [fd].reify |= flags;	2176	anfds [fd].reify |= flags;
1914		2177
1915	if (expect_true (!reify))	2178	if (expect_true (!reify))
1916	{	2179	{
1917	++fdchangecnt;	2180	++fdchangecnt;
1918	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2181	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1919	fdchanges [fdchangecnt - 1] = fd;	2182	fdchanges [fdchangecnt - 1] = fd;
1920	}	2183	}
1921	}	2184	}
1922		2185
1923	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2186	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1924	inline_speed void ecb_cold	2187	inline_speed ecb_cold void
1925	fd_kill (EV_P_ int fd)	2188	fd_kill (EV_P_ int fd)
1926	{	2189	{
1927	ev_io *w;	2190	ev_io *w;
1928		2191
1929	while ((w = (ev_io *)anfds [fd].head))	2192	while ((w = (ev_io *)anfds [fd].head))
…		…
1932	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2195	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1933	}	2196	}
1934	}	2197	}
1935		2198
1936	/* check whether the given fd is actually valid, for error recovery */	2199	/* check whether the given fd is actually valid, for error recovery */
1937	inline_size int ecb_cold	2200	inline_size ecb_cold int
1938	fd_valid (int fd)	2201	fd_valid (int fd)
1939	{	2202	{
1940	#ifdef _WIN32	2203	#ifdef _WIN32
1941	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2204	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1942	#else	2205	#else
1943	return fcntl (fd, F_GETFD) != -1;	2206	return fcntl (fd, F_GETFD) != -1;
1944	#endif	2207	#endif
1945	}	2208	}
1946		2209
1947	/* called on EBADF to verify fds */	2210	/* called on EBADF to verify fds */
1948	static void noinline ecb_cold	2211	noinline ecb_cold
		2212	static void
1949	fd_ebadf (EV_P)	2213	fd_ebadf (EV_P)
1950	{	2214	{
1951	int fd;	2215	int fd;
1952		2216
1953	for (fd = 0; fd < anfdmax; ++fd)	2217	for (fd = 0; fd < anfdmax; ++fd)
…		…
1955	if (!fd_valid (fd) && errno == EBADF)	2219	if (!fd_valid (fd) && errno == EBADF)
1956	fd_kill (EV_A_ fd);	2220	fd_kill (EV_A_ fd);
1957	}	2221	}
1958		2222
1959	/* called on ENOMEM in select/poll to kill some fds and retry */	2223	/* called on ENOMEM in select/poll to kill some fds and retry */
1960	static void noinline ecb_cold	2224	noinline ecb_cold
		2225	static void
1961	fd_enomem (EV_P)	2226	fd_enomem (EV_P)
1962	{	2227	{
1963	int fd;	2228	int fd;
1964		2229
1965	for (fd = anfdmax; fd--; )	2230	for (fd = anfdmax; fd--; )
…		…
1969	break;	2234	break;
1970	}	2235	}
1971	}	2236	}
1972		2237
1973	/* usually called after fork if backend needs to re-arm all fds from scratch */	2238	/* usually called after fork if backend needs to re-arm all fds from scratch */
1974	static void noinline	2239	noinline
		2240	static void
1975	fd_rearm_all (EV_P)	2241	fd_rearm_all (EV_P)
1976	{	2242	{
1977	int fd;	2243	int fd;
1978		2244
1979	for (fd = 0; fd < anfdmax; ++fd)	2245	for (fd = 0; fd < anfdmax; ++fd)
…		…
2160		2426
2161	/*****************************************************************************/	2427	/*****************************************************************************/
2162		2428
2163	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2429	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2164		2430
2165	static void noinline ecb_cold	2431	noinline ecb_cold
		2432	static void
2166	evpipe_init (EV_P)	2433	evpipe_init (EV_P)
2167	{	2434	{
2168	if (!ev_is_active (&pipe_w))	2435	if (!ev_is_active (&pipe_w))
2169	{	2436	{
2170	int fds [2];	2437	int fds [2];
…		…
2241	#endif	2508	#endif
2242	{	2509	{
2243	#ifdef _WIN32	2510	#ifdef _WIN32
2244	WSABUF buf;	2511	WSABUF buf;
2245	DWORD sent;	2512	DWORD sent;
2246	buf.buf = &buf;	2513	buf.buf = (char *)&buf;
2247	buf.len = 1;	2514	buf.len = 1;
2248	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2515	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2249	#else	2516	#else
2250	write (evpipe [1], &(evpipe [1]), 1);	2517	write (evpipe [1], &(evpipe [1]), 1);
2251	#endif	2518	#endif
…		…
2323	}	2590	}
2324		2591
2325	/*****************************************************************************/	2592	/*****************************************************************************/
2326		2593
2327	void	2594	void
2328	ev_feed_signal (int signum) EV_THROW	2595	ev_feed_signal (int signum) EV_NOEXCEPT
2329	{	2596	{
2330	#if EV_MULTIPLICITY	2597	#if EV_MULTIPLICITY
2331	EV_P;	2598	EV_P;
2332	ECB_MEMORY_FENCE_ACQUIRE;	2599	ECB_MEMORY_FENCE_ACQUIRE;
2333	EV_A = signals [signum - 1].loop;	2600	EV_A = signals [signum - 1].loop;
…		…
2348	#endif	2615	#endif
2349		2616
2350	ev_feed_signal (signum);	2617	ev_feed_signal (signum);
2351	}	2618	}
2352		2619
2353	void noinline	2620	noinline
		2621	void
2354	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2622	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2355	{	2623	{
2356	WL w;	2624	WL w;
2357		2625
2358	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2626	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2359	return;	2627	return;
…		…
2465	# include "ev_port.c"	2733	# include "ev_port.c"
2466	#endif	2734	#endif
2467	#if EV_USE_KQUEUE	2735	#if EV_USE_KQUEUE
2468	# include "ev_kqueue.c"	2736	# include "ev_kqueue.c"
2469	#endif	2737	#endif
		2738	#if EV_USE_LINUXAIO
		2739	# include "ev_linuxaio.c"
		2740	#endif
2470	#if EV_USE_EPOLL	2741	#if EV_USE_EPOLL
2471	# include "ev_epoll.c"	2742	# include "ev_epoll.c"
2472	#endif	2743	#endif
2473	#if EV_USE_POLL	2744	#if EV_USE_POLL
2474	# include "ev_poll.c"	2745	# include "ev_poll.c"
2475	#endif	2746	#endif
2476	#if EV_USE_SELECT	2747	#if EV_USE_SELECT
2477	# include "ev_select.c"	2748	# include "ev_select.c"
2478	#endif	2749	#endif
2479		2750
2480	int ecb_cold	2751	ecb_cold int
2481	ev_version_major (void) EV_THROW	2752	ev_version_major (void) EV_NOEXCEPT
2482	{	2753	{
2483	return EV_VERSION_MAJOR;	2754	return EV_VERSION_MAJOR;
2484	}	2755	}
2485		2756
2486	int ecb_cold	2757	ecb_cold int
2487	ev_version_minor (void) EV_THROW	2758	ev_version_minor (void) EV_NOEXCEPT
2488	{	2759	{
2489	return EV_VERSION_MINOR;	2760	return EV_VERSION_MINOR;
2490	}	2761	}
2491		2762
2492	/* return true if we are running with elevated privileges and should ignore env variables */	2763	/* return true if we are running with elevated privileges and should ignore env variables */
2493	int inline_size ecb_cold	2764	inline_size ecb_cold int
2494	enable_secure (void)	2765	enable_secure (void)
2495	{	2766	{
2496	#ifdef _WIN32	2767	#ifdef _WIN32
2497	return 0;	2768	return 0;
2498	#else	2769	#else
2499	return getuid () != geteuid ()	2770	return getuid () != geteuid ()
2500	|| getgid () != getegid ();	2771	|| getgid () != getegid ();
2501	#endif	2772	#endif
2502	}	2773	}
2503		2774
2504	unsigned int ecb_cold	2775	ecb_cold
		2776	unsigned int
2505	ev_supported_backends (void) EV_THROW	2777	ev_supported_backends (void) EV_NOEXCEPT
2506	{	2778	{
2507	unsigned int flags = 0;	2779	unsigned int flags = 0;
2508		2780
2509	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2781	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2510	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2782	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2511	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2783	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2784	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2512	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2785	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2513	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2786	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2514		2787
2515	return flags;	2788	return flags;
2516	}	2789	}
2517		2790
2518	unsigned int ecb_cold	2791	ecb_cold
		2792	unsigned int
2519	ev_recommended_backends (void) EV_THROW	2793	ev_recommended_backends (void) EV_NOEXCEPT
2520	{	2794	{
2521	unsigned int flags = ev_supported_backends ();	2795	unsigned int flags = ev_supported_backends ();
2522		2796
2523	#ifndef __NetBSD__	2797	#ifndef __NetBSD__
2524	/* kqueue is borked on everything but netbsd apparently */	2798	/* kqueue is borked on everything but netbsd apparently */
…		…
2532	#endif	2806	#endif
2533	#ifdef __FreeBSD__	2807	#ifdef __FreeBSD__
2534	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2808	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2535	#endif	2809	#endif
2536		2810
		2811	/* TODO: linuxaio is very experimental */
		2812	flags &= ~EVBACKEND_LINUXAIO;
		2813
2537	return flags;	2814	return flags;
2538	}	2815	}
2539		2816
2540	unsigned int ecb_cold	2817	ecb_cold
		2818	unsigned int
2541	ev_embeddable_backends (void) EV_THROW	2819	ev_embeddable_backends (void) EV_NOEXCEPT
2542	{	2820	{
2543	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2821	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2544		2822
2545	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2823	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2546	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2824	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2548		2826
2549	return flags;	2827	return flags;
2550	}	2828	}
2551		2829
2552	unsigned int	2830	unsigned int
2553	ev_backend (EV_P) EV_THROW	2831	ev_backend (EV_P) EV_NOEXCEPT
2554	{	2832	{
2555	return backend;	2833	return backend;
2556	}	2834	}
2557		2835
2558	#if EV_FEATURE_API	2836	#if EV_FEATURE_API
2559	unsigned int	2837	unsigned int
2560	ev_iteration (EV_P) EV_THROW	2838	ev_iteration (EV_P) EV_NOEXCEPT
2561	{	2839	{
2562	return loop_count;	2840	return loop_count;
2563	}	2841	}
2564		2842
2565	unsigned int	2843	unsigned int
2566	ev_depth (EV_P) EV_THROW	2844	ev_depth (EV_P) EV_NOEXCEPT
2567	{	2845	{
2568	return loop_depth;	2846	return loop_depth;
2569	}	2847	}
2570		2848
2571	void	2849	void
2572	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2850	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2573	{	2851	{
2574	io_blocktime = interval;	2852	io_blocktime = interval;
2575	}	2853	}
2576		2854
2577	void	2855	void
2578	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2856	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2579	{	2857	{
2580	timeout_blocktime = interval;	2858	timeout_blocktime = interval;
2581	}	2859	}
2582		2860
2583	void	2861	void
2584	ev_set_userdata (EV_P_ void *data) EV_THROW	2862	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2585	{	2863	{
2586	userdata = data;	2864	userdata = data;
2587	}	2865	}
2588		2866
2589	void *	2867	void *
2590	ev_userdata (EV_P) EV_THROW	2868	ev_userdata (EV_P) EV_NOEXCEPT
2591	{	2869	{
2592	return userdata;	2870	return userdata;
2593	}	2871	}
2594		2872
2595	void	2873	void
2596	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2874	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2597	{	2875	{
2598	invoke_cb = invoke_pending_cb;	2876	invoke_cb = invoke_pending_cb;
2599	}	2877	}
2600		2878
2601	void	2879	void
2602	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW	2880	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2603	{	2881	{
2604	release_cb = release;	2882	release_cb = release;
2605	acquire_cb = acquire;	2883	acquire_cb = acquire;
2606	}	2884	}
2607	#endif	2885	#endif
2608		2886
2609	/* initialise a loop structure, must be zero-initialised */	2887	/* initialise a loop structure, must be zero-initialised */
2610	static void noinline ecb_cold	2888	noinline ecb_cold
		2889	static void
2611	loop_init (EV_P_ unsigned int flags) EV_THROW	2890	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2612	{	2891	{
2613	if (!backend)	2892	if (!backend)
2614	{	2893	{
2615	origflags = flags;	2894	origflags = flags;
2616		2895
…		…
2674		2953
2675	if (!(flags & EVBACKEND_MASK))	2954	if (!(flags & EVBACKEND_MASK))
2676	flags |= ev_recommended_backends ();	2955	flags |= ev_recommended_backends ();
2677		2956
2678	#if EV_USE_IOCP	2957	#if EV_USE_IOCP
2679	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	2958	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2680	#endif	2959	#endif
2681	#if EV_USE_PORT	2960	#if EV_USE_PORT
2682	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	2961	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2683	#endif	2962	#endif
2684	#if EV_USE_KQUEUE	2963	#if EV_USE_KQUEUE
2685	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	2964	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		2965	#endif
		2966	#if EV_USE_LINUXAIO
		2967	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2686	#endif	2968	#endif
2687	#if EV_USE_EPOLL	2969	#if EV_USE_EPOLL
2688	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	2970	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2689	#endif	2971	#endif
2690	#if EV_USE_POLL	2972	#if EV_USE_POLL
2691	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	2973	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2692	#endif	2974	#endif
2693	#if EV_USE_SELECT	2975	#if EV_USE_SELECT
2694	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	2976	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2695	#endif	2977	#endif
2696		2978
2697	ev_prepare_init (&pending_w, pendingcb);	2979	ev_prepare_init (&pending_w, pendingcb);
2698		2980
2699	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2981	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2702	#endif	2984	#endif
2703	}	2985	}
2704	}	2986	}
2705		2987
2706	/* free up a loop structure */	2988	/* free up a loop structure */
2707	void ecb_cold	2989	ecb_cold
		2990	void
2708	ev_loop_destroy (EV_P)	2991	ev_loop_destroy (EV_P)
2709	{	2992	{
2710	int i;	2993	int i;
2711		2994
2712	#if EV_MULTIPLICITY	2995	#if EV_MULTIPLICITY
…		…
2753		3036
2754	if (backend_fd >= 0)	3037	if (backend_fd >= 0)
2755	close (backend_fd);	3038	close (backend_fd);
2756		3039
2757	#if EV_USE_IOCP	3040	#if EV_USE_IOCP
2758	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3041	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2759	#endif	3042	#endif
2760	#if EV_USE_PORT	3043	#if EV_USE_PORT
2761	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3044	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2762	#endif	3045	#endif
2763	#if EV_USE_KQUEUE	3046	#if EV_USE_KQUEUE
2764	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3047	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3048	#endif
		3049	#if EV_USE_LINUXAIO
		3050	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2765	#endif	3051	#endif
2766	#if EV_USE_EPOLL	3052	#if EV_USE_EPOLL
2767	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3053	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2768	#endif	3054	#endif
2769	#if EV_USE_POLL	3055	#if EV_USE_POLL
2770	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3056	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2771	#endif	3057	#endif
2772	#if EV_USE_SELECT	3058	#if EV_USE_SELECT
2773	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3059	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2774	#endif	3060	#endif
2775		3061
2776	for (i = NUMPRI; i--; )	3062	for (i = NUMPRI; i--; )
2777	{	3063	{
2778	array_free (pending, [i]);	3064	array_free (pending, [i]);
…		…
2820		3106
2821	inline_size void	3107	inline_size void
2822	loop_fork (EV_P)	3108	loop_fork (EV_P)
2823	{	3109	{
2824	#if EV_USE_PORT	3110	#if EV_USE_PORT
2825	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3111	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2826	#endif	3112	#endif
2827	#if EV_USE_KQUEUE	3113	#if EV_USE_KQUEUE
2828	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3114	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3115	#endif
		3116	#if EV_USE_LINUXAIO
		3117	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2829	#endif	3118	#endif
2830	#if EV_USE_EPOLL	3119	#if EV_USE_EPOLL
2831	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3120	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2832	#endif	3121	#endif
2833	#if EV_USE_INOTIFY	3122	#if EV_USE_INOTIFY
2834	infy_fork (EV_A);	3123	infy_fork (EV_A);
2835	#endif	3124	#endif
2836		3125
2837	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3126	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2838	if (ev_is_active (&pipe_w))	3127	if (ev_is_active (&pipe_w) && postfork != 2)
2839	{	3128	{
2840	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3129	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2841		3130
2842	ev_ref (EV_A);	3131	ev_ref (EV_A);
2843	ev_io_stop (EV_A_ &pipe_w);	3132	ev_io_stop (EV_A_ &pipe_w);
…		…
2854	postfork = 0;	3143	postfork = 0;
2855	}	3144	}
2856		3145
2857	#if EV_MULTIPLICITY	3146	#if EV_MULTIPLICITY
2858		3147
		3148	ecb_cold
2859	struct ev_loop * ecb_cold	3149	struct ev_loop *
2860	ev_loop_new (unsigned int flags) EV_THROW	3150	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2861	{	3151	{
2862	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3152	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2863		3153
2864	memset (EV_A, 0, sizeof (struct ev_loop));	3154	memset (EV_A, 0, sizeof (struct ev_loop));
2865	loop_init (EV_A_ flags);	3155	loop_init (EV_A_ flags);
…		…
2872	}	3162	}
2873		3163
2874	#endif /* multiplicity */	3164	#endif /* multiplicity */
2875		3165
2876	#if EV_VERIFY	3166	#if EV_VERIFY
2877	static void noinline ecb_cold	3167	noinline ecb_cold
		3168	static void
2878	verify_watcher (EV_P_ W w)	3169	verify_watcher (EV_P_ W w)
2879	{	3170	{
2880	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3171	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2881		3172
2882	if (w->pending)	3173	if (w->pending)
2883	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3174	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2884	}	3175	}
2885		3176
2886	static void noinline ecb_cold	3177	noinline ecb_cold
		3178	static void
2887	verify_heap (EV_P_ ANHE *heap, int N)	3179	verify_heap (EV_P_ ANHE *heap, int N)
2888	{	3180	{
2889	int i;	3181	int i;
2890		3182
2891	for (i = HEAP0; i < N + HEAP0; ++i)	3183	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2896		3188
2897	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3189	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2898	}	3190	}
2899	}	3191	}
2900		3192
2901	static void noinline ecb_cold	3193	noinline ecb_cold
		3194	static void
2902	array_verify (EV_P_ W *ws, int cnt)	3195	array_verify (EV_P_ W *ws, int cnt)
2903	{	3196	{
2904	while (cnt--)	3197	while (cnt--)
2905	{	3198	{
2906	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3199	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2909	}	3202	}
2910	#endif	3203	#endif
2911		3204
2912	#if EV_FEATURE_API	3205	#if EV_FEATURE_API
2913	void ecb_cold	3206	void ecb_cold
2914	ev_verify (EV_P) EV_THROW	3207	ev_verify (EV_P) EV_NOEXCEPT
2915	{	3208	{
2916	#if EV_VERIFY	3209	#if EV_VERIFY
2917	int i;	3210	int i;
2918	WL w, w2;	3211	WL w, w2;
2919		3212
…		…
2995	#endif	3288	#endif
2996	}	3289	}
2997	#endif	3290	#endif
2998		3291
2999	#if EV_MULTIPLICITY	3292	#if EV_MULTIPLICITY
		3293	ecb_cold
3000	struct ev_loop * ecb_cold	3294	struct ev_loop *
3001	#else	3295	#else
3002	int	3296	int
3003	#endif	3297	#endif
3004	ev_default_loop (unsigned int flags) EV_THROW	3298	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3005	{	3299	{
3006	if (!ev_default_loop_ptr)	3300	if (!ev_default_loop_ptr)
3007	{	3301	{
3008	#if EV_MULTIPLICITY	3302	#if EV_MULTIPLICITY
3009	EV_P = ev_default_loop_ptr = &default_loop_struct;	3303	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3028		3322
3029	return ev_default_loop_ptr;	3323	return ev_default_loop_ptr;
3030	}	3324	}
3031		3325
3032	void	3326	void
3033	ev_loop_fork (EV_P) EV_THROW	3327	ev_loop_fork (EV_P) EV_NOEXCEPT
3034	{	3328	{
3035	postfork = 1;	3329	postfork = 1;
3036	}	3330	}
3037		3331
3038	/*****************************************************************************/	3332	/*****************************************************************************/
…		…
3042	{	3336	{
3043	EV_CB_INVOKE ((W)w, revents);	3337	EV_CB_INVOKE ((W)w, revents);
3044	}	3338	}
3045		3339
3046	unsigned int	3340	unsigned int
3047	ev_pending_count (EV_P) EV_THROW	3341	ev_pending_count (EV_P) EV_NOEXCEPT
3048	{	3342	{
3049	int pri;	3343	int pri;
3050	unsigned int count = 0;	3344	unsigned int count = 0;
3051		3345
3052	for (pri = NUMPRI; pri--; )	3346	for (pri = NUMPRI; pri--; )
3053	count += pendingcnt [pri];	3347	count += pendingcnt [pri];
3054		3348
3055	return count;	3349	return count;
3056	}	3350	}
3057		3351
3058	void noinline	3352	noinline
		3353	void
3059	ev_invoke_pending (EV_P)	3354	ev_invoke_pending (EV_P)
3060	{	3355	{
3061	pendingpri = NUMPRI;	3356	pendingpri = NUMPRI;
3062		3357
3063	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3358	do
3064	{	3359	{
3065	--pendingpri;	3360	--pendingpri;
3066		3361
		3362	/* pendingpri possibly gets modified in the inner loop */
3067	while (pendingcnt [pendingpri])	3363	while (pendingcnt [pendingpri])
3068	{	3364	{
3069	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3365	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3070		3366
3071	p->w->pending = 0;	3367	p->w->pending = 0;
3072	EV_CB_INVOKE (p->w, p->events);	3368	EV_CB_INVOKE (p->w, p->events);
3073	EV_FREQUENT_CHECK;	3369	EV_FREQUENT_CHECK;
3074	}	3370	}
3075	}	3371	}
		3372	while (pendingpri);
3076	}	3373	}
3077		3374
3078	#if EV_IDLE_ENABLE	3375	#if EV_IDLE_ENABLE
3079	/* make idle watchers pending. this handles the "call-idle */	3376	/* make idle watchers pending. this handles the "call-idle */
3080	/* only when higher priorities are idle" logic */	3377	/* only when higher priorities are idle" logic */
…		…
3138	}	3435	}
3139	}	3436	}
3140		3437
3141	#if EV_PERIODIC_ENABLE	3438	#if EV_PERIODIC_ENABLE
3142		3439
3143	static void noinline	3440	noinline
		3441	static void
3144	periodic_recalc (EV_P_ ev_periodic *w)	3442	periodic_recalc (EV_P_ ev_periodic *w)
3145	{	3443	{
3146	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3444	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3147	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);	3445	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3148		3446
…		…
3206	}	3504	}
3207	}	3505	}
3208		3506
3209	/* simply recalculate all periodics */	3507	/* simply recalculate all periodics */
3210	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3508	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3211	static void noinline ecb_cold	3509	noinline ecb_cold
		3510	static void
3212	periodics_reschedule (EV_P)	3511	periodics_reschedule (EV_P)
3213	{	3512	{
3214	int i;	3513	int i;
3215		3514
3216	/* adjust periodics after time jump */	3515	/* adjust periodics after time jump */
…		…
3229	reheap (periodics, periodiccnt);	3528	reheap (periodics, periodiccnt);
3230	}	3529	}
3231	#endif	3530	#endif
3232		3531
3233	/* adjust all timers by a given offset */	3532	/* adjust all timers by a given offset */
3234	static void noinline ecb_cold	3533	noinline ecb_cold
		3534	static void
3235	timers_reschedule (EV_P_ ev_tstamp adjust)	3535	timers_reschedule (EV_P_ ev_tstamp adjust)
3236	{	3536	{
3237	int i;	3537	int i;
3238		3538
3239	for (i = 0; i < timercnt; ++i)	3539	for (i = 0; i < timercnt; ++i)
…		…
3486		3786
3487	return activecnt;	3787	return activecnt;
3488	}	3788	}
3489		3789
3490	void	3790	void
3491	ev_break (EV_P_ int how) EV_THROW	3791	ev_break (EV_P_ int how) EV_NOEXCEPT
3492	{	3792	{
3493	loop_done = how;	3793	loop_done = how;
3494	}	3794	}
3495		3795
3496	void	3796	void
3497	ev_ref (EV_P) EV_THROW	3797	ev_ref (EV_P) EV_NOEXCEPT
3498	{	3798	{
3499	++activecnt;	3799	++activecnt;
3500	}	3800	}
3501		3801
3502	void	3802	void
3503	ev_unref (EV_P) EV_THROW	3803	ev_unref (EV_P) EV_NOEXCEPT
3504	{	3804	{
3505	--activecnt;	3805	--activecnt;
3506	}	3806	}
3507		3807
3508	void	3808	void
3509	ev_now_update (EV_P) EV_THROW	3809	ev_now_update (EV_P) EV_NOEXCEPT
3510	{	3810	{
3511	time_update (EV_A_ 1e100);	3811	time_update (EV_A_ 1e100);
3512	}	3812	}
3513		3813
3514	void	3814	void
3515	ev_suspend (EV_P) EV_THROW	3815	ev_suspend (EV_P) EV_NOEXCEPT
3516	{	3816	{
3517	ev_now_update (EV_A);	3817	ev_now_update (EV_A);
3518	}	3818	}
3519		3819
3520	void	3820	void
3521	ev_resume (EV_P) EV_THROW	3821	ev_resume (EV_P) EV_NOEXCEPT
3522	{	3822	{
3523	ev_tstamp mn_prev = mn_now;	3823	ev_tstamp mn_prev = mn_now;
3524		3824
3525	ev_now_update (EV_A);	3825	ev_now_update (EV_A);
3526	timers_reschedule (EV_A_ mn_now - mn_prev);	3826	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3565	w->pending = 0;	3865	w->pending = 0;
3566	}	3866	}
3567	}	3867	}
3568		3868
3569	int	3869	int
3570	ev_clear_pending (EV_P_ void *w) EV_THROW	3870	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3571	{	3871	{
3572	W w_ = (W)w;	3872	W w_ = (W)w;
3573	int pending = w_->pending;	3873	int pending = w_->pending;
3574		3874
3575	if (expect_true (pending))	3875	if (expect_true (pending))
…		…
3607	w->active = 0;	3907	w->active = 0;
3608	}	3908	}
3609		3909
3610	/*****************************************************************************/	3910	/*****************************************************************************/
3611		3911
3612	void noinline	3912	noinline
		3913	void
3613	ev_io_start (EV_P_ ev_io *w) EV_THROW	3914	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3614	{	3915	{
3615	int fd = w->fd;	3916	int fd = w->fd;
3616		3917
3617	if (expect_false (ev_is_active (w)))	3918	if (expect_false (ev_is_active (w)))
3618	return;	3919	return;
…		…
3621	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	3922	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3622		3923
3623	EV_FREQUENT_CHECK;	3924	EV_FREQUENT_CHECK;
3624		3925
3625	ev_start (EV_A_ (W)w, 1);	3926	ev_start (EV_A_ (W)w, 1);
3626	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3927	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3627	wlist_add (&anfds[fd].head, (WL)w);	3928	wlist_add (&anfds[fd].head, (WL)w);
3628		3929
3629	/* common bug, apparently */	3930	/* common bug, apparently */
3630	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	3931	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3631		3932
…		…
3633	w->events &= ~EV__IOFDSET;	3934	w->events &= ~EV__IOFDSET;
3634		3935
3635	EV_FREQUENT_CHECK;	3936	EV_FREQUENT_CHECK;
3636	}	3937	}
3637		3938
3638	void noinline	3939	noinline
		3940	void
3639	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3941	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3640	{	3942	{
3641	clear_pending (EV_A_ (W)w);	3943	clear_pending (EV_A_ (W)w);
3642	if (expect_false (!ev_is_active (w)))	3944	if (expect_false (!ev_is_active (w)))
3643	return;	3945	return;
3644		3946
…		…
3652	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3954	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3653		3955
3654	EV_FREQUENT_CHECK;	3956	EV_FREQUENT_CHECK;
3655	}	3957	}
3656		3958
3657	void noinline	3959	noinline
		3960	void
3658	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3961	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3659	{	3962	{
3660	if (expect_false (ev_is_active (w)))	3963	if (expect_false (ev_is_active (w)))
3661	return;	3964	return;
3662		3965
3663	ev_at (w) += mn_now;	3966	ev_at (w) += mn_now;
…		…
3666		3969
3667	EV_FREQUENT_CHECK;	3970	EV_FREQUENT_CHECK;
3668		3971
3669	++timercnt;	3972	++timercnt;
3670	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	3973	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3671	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	3974	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3672	ANHE_w (timers [ev_active (w)]) = (WT)w;	3975	ANHE_w (timers [ev_active (w)]) = (WT)w;
3673	ANHE_at_cache (timers [ev_active (w)]);	3976	ANHE_at_cache (timers [ev_active (w)]);
3674	upheap (timers, ev_active (w));	3977	upheap (timers, ev_active (w));
3675		3978
3676	EV_FREQUENT_CHECK;	3979	EV_FREQUENT_CHECK;
3677		3980
3678	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3981	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3679	}	3982	}
3680		3983
3681	void noinline	3984	noinline
		3985	void
3682	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3986	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3683	{	3987	{
3684	clear_pending (EV_A_ (W)w);	3988	clear_pending (EV_A_ (W)w);
3685	if (expect_false (!ev_is_active (w)))	3989	if (expect_false (!ev_is_active (w)))
3686	return;	3990	return;
3687		3991
…		…
3706	ev_stop (EV_A_ (W)w);	4010	ev_stop (EV_A_ (W)w);
3707		4011
3708	EV_FREQUENT_CHECK;	4012	EV_FREQUENT_CHECK;
3709	}	4013	}
3710		4014
3711	void noinline	4015	noinline
		4016	void
3712	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4017	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3713	{	4018	{
3714	EV_FREQUENT_CHECK;	4019	EV_FREQUENT_CHECK;
3715		4020
3716	clear_pending (EV_A_ (W)w);	4021	clear_pending (EV_A_ (W)w);
3717		4022
…		…
3734		4039
3735	EV_FREQUENT_CHECK;	4040	EV_FREQUENT_CHECK;
3736	}	4041	}
3737		4042
3738	ev_tstamp	4043	ev_tstamp
3739	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4044	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3740	{	4045	{
3741	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4046	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3742	}	4047	}
3743		4048
3744	#if EV_PERIODIC_ENABLE	4049	#if EV_PERIODIC_ENABLE
3745	void noinline	4050	noinline
		4051	void
3746	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4052	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3747	{	4053	{
3748	if (expect_false (ev_is_active (w)))	4054	if (expect_false (ev_is_active (w)))
3749	return;	4055	return;
3750		4056
3751	if (w->reschedule_cb)	4057	if (w->reschedule_cb)
…		…
3760		4066
3761	EV_FREQUENT_CHECK;	4067	EV_FREQUENT_CHECK;
3762		4068
3763	++periodiccnt;	4069	++periodiccnt;
3764	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4070	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3765	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4071	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3766	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4072	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3767	ANHE_at_cache (periodics [ev_active (w)]);	4073	ANHE_at_cache (periodics [ev_active (w)]);
3768	upheap (periodics, ev_active (w));	4074	upheap (periodics, ev_active (w));
3769		4075
3770	EV_FREQUENT_CHECK;	4076	EV_FREQUENT_CHECK;
3771		4077
3772	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4078	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3773	}	4079	}
3774		4080
3775	void noinline	4081	noinline
		4082	void
3776	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4083	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3777	{	4084	{
3778	clear_pending (EV_A_ (W)w);	4085	clear_pending (EV_A_ (W)w);
3779	if (expect_false (!ev_is_active (w)))	4086	if (expect_false (!ev_is_active (w)))
3780	return;	4087	return;
3781		4088
…		…
3798	ev_stop (EV_A_ (W)w);	4105	ev_stop (EV_A_ (W)w);
3799		4106
3800	EV_FREQUENT_CHECK;	4107	EV_FREQUENT_CHECK;
3801	}	4108	}
3802		4109
3803	void noinline	4110	noinline
		4111	void
3804	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4112	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3805	{	4113	{
3806	/* TODO: use adjustheap and recalculation */	4114	/* TODO: use adjustheap and recalculation */
3807	ev_periodic_stop (EV_A_ w);	4115	ev_periodic_stop (EV_A_ w);
3808	ev_periodic_start (EV_A_ w);	4116	ev_periodic_start (EV_A_ w);
3809	}	4117	}
…		…
3813	# define SA_RESTART 0	4121	# define SA_RESTART 0
3814	#endif	4122	#endif
3815		4123
3816	#if EV_SIGNAL_ENABLE	4124	#if EV_SIGNAL_ENABLE
3817		4125
3818	void noinline	4126	noinline
		4127	void
3819	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4128	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3820	{	4129	{
3821	if (expect_false (ev_is_active (w)))	4130	if (expect_false (ev_is_active (w)))
3822	return;	4131	return;
3823		4132
3824	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4133	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3895	}	4204	}
3896		4205
3897	EV_FREQUENT_CHECK;	4206	EV_FREQUENT_CHECK;
3898	}	4207	}
3899		4208
3900	void noinline	4209	noinline
		4210	void
3901	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4211	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3902	{	4212	{
3903	clear_pending (EV_A_ (W)w);	4213	clear_pending (EV_A_ (W)w);
3904	if (expect_false (!ev_is_active (w)))	4214	if (expect_false (!ev_is_active (w)))
3905	return;	4215	return;
3906		4216
…		…
3937	#endif	4247	#endif
3938		4248
3939	#if EV_CHILD_ENABLE	4249	#if EV_CHILD_ENABLE
3940		4250
3941	void	4251	void
3942	ev_child_start (EV_P_ ev_child *w) EV_THROW	4252	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3943	{	4253	{
3944	#if EV_MULTIPLICITY	4254	#if EV_MULTIPLICITY
3945	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4255	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3946	#endif	4256	#endif
3947	if (expect_false (ev_is_active (w)))	4257	if (expect_false (ev_is_active (w)))
…		…
3954		4264
3955	EV_FREQUENT_CHECK;	4265	EV_FREQUENT_CHECK;
3956	}	4266	}
3957		4267
3958	void	4268	void
3959	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4269	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3960	{	4270	{
3961	clear_pending (EV_A_ (W)w);	4271	clear_pending (EV_A_ (W)w);
3962	if (expect_false (!ev_is_active (w)))	4272	if (expect_false (!ev_is_active (w)))
3963	return;	4273	return;
3964		4274
…		…
3981		4291
3982	#define DEF_STAT_INTERVAL 5.0074891	4292	#define DEF_STAT_INTERVAL 5.0074891
3983	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4293	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3984	#define MIN_STAT_INTERVAL 0.1074891	4294	#define MIN_STAT_INTERVAL 0.1074891
3985		4295
3986	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4296	noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3987		4297
3988	#if EV_USE_INOTIFY	4298	#if EV_USE_INOTIFY
3989		4299
3990	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4300	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
3991	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4301	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3992		4302
3993	static void noinline	4303	noinline
		4304	static void
3994	infy_add (EV_P_ ev_stat *w)	4305	infy_add (EV_P_ ev_stat *w)
3995	{	4306	{
3996	w->wd = inotify_add_watch (fs_fd, w->path,	4307	w->wd = inotify_add_watch (fs_fd, w->path,
3997	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4308	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
3998	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4309	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4062	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4373	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4063	ev_timer_again (EV_A_ &w->timer);	4374	ev_timer_again (EV_A_ &w->timer);
4064	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4375	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4065	}	4376	}
4066		4377
4067	static void noinline	4378	noinline
		4379	static void
4068	infy_del (EV_P_ ev_stat *w)	4380	infy_del (EV_P_ ev_stat *w)
4069	{	4381	{
4070	int slot;	4382	int slot;
4071	int wd = w->wd;	4383	int wd = w->wd;
4072		4384
…		…
4079		4391
4080	/* remove this watcher, if others are watching it, they will rearm */	4392	/* remove this watcher, if others are watching it, they will rearm */
4081	inotify_rm_watch (fs_fd, wd);	4393	inotify_rm_watch (fs_fd, wd);
4082	}	4394	}
4083		4395
4084	static void noinline	4396	noinline
		4397	static void
4085	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4398	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4086	{	4399	{
4087	if (slot < 0)	4400	if (slot < 0)
4088	/* overflow, need to check for all hash slots */	4401	/* overflow, need to check for all hash slots */
4089	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4402	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4125	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4438	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4126	ofs += sizeof (struct inotify_event) + ev->len;	4439	ofs += sizeof (struct inotify_event) + ev->len;
4127	}	4440	}
4128	}	4441	}
4129		4442
4130	inline_size void ecb_cold	4443	inline_size ecb_cold
		4444	void
4131	ev_check_2625 (EV_P)	4445	ev_check_2625 (EV_P)
4132	{	4446	{
4133	/* kernels < 2.6.25 are borked	4447	/* kernels < 2.6.25 are borked
4134	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4448	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4135	*/	4449	*/
…		…
4225	#else	4539	#else
4226	# define EV_LSTAT(p,b) lstat (p, b)	4540	# define EV_LSTAT(p,b) lstat (p, b)
4227	#endif	4541	#endif
4228		4542
4229	void	4543	void
4230	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4544	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4231	{	4545	{
4232	if (lstat (w->path, &w->attr) < 0)	4546	if (lstat (w->path, &w->attr) < 0)
4233	w->attr.st_nlink = 0;	4547	w->attr.st_nlink = 0;
4234	else if (!w->attr.st_nlink)	4548	else if (!w->attr.st_nlink)
4235	w->attr.st_nlink = 1;	4549	w->attr.st_nlink = 1;
4236	}	4550	}
4237		4551
4238	static void noinline	4552	noinline
		4553	static void
4239	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4554	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4240	{	4555	{
4241	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4556	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4242		4557
4243	ev_statdata prev = w->attr;	4558	ev_statdata prev = w->attr;
…		…
4274	ev_feed_event (EV_A_ w, EV_STAT);	4589	ev_feed_event (EV_A_ w, EV_STAT);
4275	}	4590	}
4276	}	4591	}
4277		4592
4278	void	4593	void
4279	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4594	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4280	{	4595	{
4281	if (expect_false (ev_is_active (w)))	4596	if (expect_false (ev_is_active (w)))
4282	return;	4597	return;
4283		4598
4284	ev_stat_stat (EV_A_ w);	4599	ev_stat_stat (EV_A_ w);
…		…
4305		4620
4306	EV_FREQUENT_CHECK;	4621	EV_FREQUENT_CHECK;
4307	}	4622	}
4308		4623
4309	void	4624	void
4310	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4625	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4311	{	4626	{
4312	clear_pending (EV_A_ (W)w);	4627	clear_pending (EV_A_ (W)w);
4313	if (expect_false (!ev_is_active (w)))	4628	if (expect_false (!ev_is_active (w)))
4314	return;	4629	return;
4315		4630
…		…
4331	}	4646	}
4332	#endif	4647	#endif
4333		4648
4334	#if EV_IDLE_ENABLE	4649	#if EV_IDLE_ENABLE
4335	void	4650	void
4336	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4651	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4337	{	4652	{
4338	if (expect_false (ev_is_active (w)))	4653	if (expect_false (ev_is_active (w)))
4339	return;	4654	return;
4340		4655
4341	pri_adjust (EV_A_ (W)w);	4656	pri_adjust (EV_A_ (W)w);
…		…
4346	int active = ++idlecnt [ABSPRI (w)];	4661	int active = ++idlecnt [ABSPRI (w)];
4347		4662
4348	++idleall;	4663	++idleall;
4349	ev_start (EV_A_ (W)w, active);	4664	ev_start (EV_A_ (W)w, active);
4350		4665
4351	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4666	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4352	idles [ABSPRI (w)][active - 1] = w;	4667	idles [ABSPRI (w)][active - 1] = w;
4353	}	4668	}
4354		4669
4355	EV_FREQUENT_CHECK;	4670	EV_FREQUENT_CHECK;
4356	}	4671	}
4357		4672
4358	void	4673	void
4359	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4674	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4360	{	4675	{
4361	clear_pending (EV_A_ (W)w);	4676	clear_pending (EV_A_ (W)w);
4362	if (expect_false (!ev_is_active (w)))	4677	if (expect_false (!ev_is_active (w)))
4363	return;	4678	return;
4364		4679
…		…
4378	}	4693	}
4379	#endif	4694	#endif
4380		4695
4381	#if EV_PREPARE_ENABLE	4696	#if EV_PREPARE_ENABLE
4382	void	4697	void
4383	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4698	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4384	{	4699	{
4385	if (expect_false (ev_is_active (w)))	4700	if (expect_false (ev_is_active (w)))
4386	return;	4701	return;
4387		4702
4388	EV_FREQUENT_CHECK;	4703	EV_FREQUENT_CHECK;
4389		4704
4390	ev_start (EV_A_ (W)w, ++preparecnt);	4705	ev_start (EV_A_ (W)w, ++preparecnt);
4391	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4706	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4392	prepares [preparecnt - 1] = w;	4707	prepares [preparecnt - 1] = w;
4393		4708
4394	EV_FREQUENT_CHECK;	4709	EV_FREQUENT_CHECK;
4395	}	4710	}
4396		4711
4397	void	4712	void
4398	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4713	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4399	{	4714	{
4400	clear_pending (EV_A_ (W)w);	4715	clear_pending (EV_A_ (W)w);
4401	if (expect_false (!ev_is_active (w)))	4716	if (expect_false (!ev_is_active (w)))
4402	return;	4717	return;
4403		4718
…		…
4416	}	4731	}
4417	#endif	4732	#endif
4418		4733
4419	#if EV_CHECK_ENABLE	4734	#if EV_CHECK_ENABLE
4420	void	4735	void
4421	ev_check_start (EV_P_ ev_check *w) EV_THROW	4736	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4422	{	4737	{
4423	if (expect_false (ev_is_active (w)))	4738	if (expect_false (ev_is_active (w)))
4424	return;	4739	return;
4425		4740
4426	EV_FREQUENT_CHECK;	4741	EV_FREQUENT_CHECK;
4427		4742
4428	ev_start (EV_A_ (W)w, ++checkcnt);	4743	ev_start (EV_A_ (W)w, ++checkcnt);
4429	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4744	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4430	checks [checkcnt - 1] = w;	4745	checks [checkcnt - 1] = w;
4431		4746
4432	EV_FREQUENT_CHECK;	4747	EV_FREQUENT_CHECK;
4433	}	4748	}
4434		4749
4435	void	4750	void
4436	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4751	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4437	{	4752	{
4438	clear_pending (EV_A_ (W)w);	4753	clear_pending (EV_A_ (W)w);
4439	if (expect_false (!ev_is_active (w)))	4754	if (expect_false (!ev_is_active (w)))
4440	return;	4755	return;
4441		4756
…		…
4453	EV_FREQUENT_CHECK;	4768	EV_FREQUENT_CHECK;
4454	}	4769	}
4455	#endif	4770	#endif
4456		4771
4457	#if EV_EMBED_ENABLE	4772	#if EV_EMBED_ENABLE
4458	void noinline	4773	noinline
		4774	void
4459	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4775	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4460	{	4776	{
4461	ev_run (w->other, EVRUN_NOWAIT);	4777	ev_run (w->other, EVRUN_NOWAIT);
4462	}	4778	}
4463		4779
4464	static void	4780	static void
…		…
4512	ev_idle_stop (EV_A_ idle);	4828	ev_idle_stop (EV_A_ idle);
4513	}	4829	}
4514	#endif	4830	#endif
4515		4831
4516	void	4832	void
4517	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4833	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4518	{	4834	{
4519	if (expect_false (ev_is_active (w)))	4835	if (expect_false (ev_is_active (w)))
4520	return;	4836	return;
4521		4837
4522	{	4838	{
…		…
4543		4859
4544	EV_FREQUENT_CHECK;	4860	EV_FREQUENT_CHECK;
4545	}	4861	}
4546		4862
4547	void	4863	void
4548	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4864	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4549	{	4865	{
4550	clear_pending (EV_A_ (W)w);	4866	clear_pending (EV_A_ (W)w);
4551	if (expect_false (!ev_is_active (w)))	4867	if (expect_false (!ev_is_active (w)))
4552	return;	4868	return;
4553		4869
…		…
4563	}	4879	}
4564	#endif	4880	#endif
4565		4881
4566	#if EV_FORK_ENABLE	4882	#if EV_FORK_ENABLE
4567	void	4883	void
4568	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4884	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4569	{	4885	{
4570	if (expect_false (ev_is_active (w)))	4886	if (expect_false (ev_is_active (w)))
4571	return;	4887	return;
4572		4888
4573	EV_FREQUENT_CHECK;	4889	EV_FREQUENT_CHECK;
4574		4890
4575	ev_start (EV_A_ (W)w, ++forkcnt);	4891	ev_start (EV_A_ (W)w, ++forkcnt);
4576	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4892	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4577	forks [forkcnt - 1] = w;	4893	forks [forkcnt - 1] = w;
4578		4894
4579	EV_FREQUENT_CHECK;	4895	EV_FREQUENT_CHECK;
4580	}	4896	}
4581		4897
4582	void	4898	void
4583	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4899	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4584	{	4900	{
4585	clear_pending (EV_A_ (W)w);	4901	clear_pending (EV_A_ (W)w);
4586	if (expect_false (!ev_is_active (w)))	4902	if (expect_false (!ev_is_active (w)))
4587	return;	4903	return;
4588		4904
…		…
4601	}	4917	}
4602	#endif	4918	#endif
4603		4919
4604	#if EV_CLEANUP_ENABLE	4920	#if EV_CLEANUP_ENABLE
4605	void	4921	void
4606	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4922	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4607	{	4923	{
4608	if (expect_false (ev_is_active (w)))	4924	if (expect_false (ev_is_active (w)))
4609	return;	4925	return;
4610		4926
4611	EV_FREQUENT_CHECK;	4927	EV_FREQUENT_CHECK;
4612		4928
4613	ev_start (EV_A_ (W)w, ++cleanupcnt);	4929	ev_start (EV_A_ (W)w, ++cleanupcnt);
4614	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	4930	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4615	cleanups [cleanupcnt - 1] = w;	4931	cleanups [cleanupcnt - 1] = w;
4616		4932
4617	/* cleanup watchers should never keep a refcount on the loop */	4933	/* cleanup watchers should never keep a refcount on the loop */
4618	ev_unref (EV_A);	4934	ev_unref (EV_A);
4619	EV_FREQUENT_CHECK;	4935	EV_FREQUENT_CHECK;
4620	}	4936	}
4621		4937
4622	void	4938	void
4623	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4939	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4624	{	4940	{
4625	clear_pending (EV_A_ (W)w);	4941	clear_pending (EV_A_ (W)w);
4626	if (expect_false (!ev_is_active (w)))	4942	if (expect_false (!ev_is_active (w)))
4627	return;	4943	return;
4628		4944
…		…
4642	}	4958	}
4643	#endif	4959	#endif
4644		4960
4645	#if EV_ASYNC_ENABLE	4961	#if EV_ASYNC_ENABLE
4646	void	4962	void
4647	ev_async_start (EV_P_ ev_async *w) EV_THROW	4963	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4648	{	4964	{
4649	if (expect_false (ev_is_active (w)))	4965	if (expect_false (ev_is_active (w)))
4650	return;	4966	return;
4651		4967
4652	w->sent = 0;	4968	w->sent = 0;
…		…
4654	evpipe_init (EV_A);	4970	evpipe_init (EV_A);
4655		4971
4656	EV_FREQUENT_CHECK;	4972	EV_FREQUENT_CHECK;
4657		4973
4658	ev_start (EV_A_ (W)w, ++asynccnt);	4974	ev_start (EV_A_ (W)w, ++asynccnt);
4659	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	4975	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4660	asyncs [asynccnt - 1] = w;	4976	asyncs [asynccnt - 1] = w;
4661		4977
4662	EV_FREQUENT_CHECK;	4978	EV_FREQUENT_CHECK;
4663	}	4979	}
4664		4980
4665	void	4981	void
4666	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4982	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4667	{	4983	{
4668	clear_pending (EV_A_ (W)w);	4984	clear_pending (EV_A_ (W)w);
4669	if (expect_false (!ev_is_active (w)))	4985	if (expect_false (!ev_is_active (w)))
4670	return;	4986	return;
4671		4987
…		…
4682		4998
4683	EV_FREQUENT_CHECK;	4999	EV_FREQUENT_CHECK;
4684	}	5000	}
4685		5001
4686	void	5002	void
4687	ev_async_send (EV_P_ ev_async *w) EV_THROW	5003	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4688	{	5004	{
4689	w->sent = 1;	5005	w->sent = 1;
4690	evpipe_write (EV_A_ &async_pending);	5006	evpipe_write (EV_A_ &async_pending);
4691	}	5007	}
4692	#endif	5008	#endif
…		…
4729		5045
4730	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5046	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4731	}	5047	}
4732		5048
4733	void	5049	void
4734	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5050	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4735	{	5051	{
4736	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5052	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4737
4738	if (expect_false (!once))
4739	{
4740	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4741	return;
4742	}
4743		5053
4744	once->cb = cb;	5054	once->cb = cb;
4745	once->arg = arg;	5055	once->arg = arg;
4746		5056
4747	ev_init (&once->io, once_cb_io);	5057	ev_init (&once->io, once_cb_io);
…		…
4760	}	5070	}
4761		5071
4762	/*****************************************************************************/	5072	/*****************************************************************************/
4763		5073
4764	#if EV_WALK_ENABLE	5074	#if EV_WALK_ENABLE
4765	void ecb_cold	5075	ecb_cold
		5076	void
4766	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5077	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4767	{	5078	{
4768	int i, j;	5079	int i, j;
4769	ev_watcher_list *wl, *wn;	5080	ev_watcher_list *wl, *wn;
4770		5081
4771	if (types & (EV_IO | EV_EMBED))	5082	if (types & (EV_IO | EV_EMBED))

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