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Comparing libev/ev.c (file contents):
Revision 1.468 by root, Fri Sep 5 16:00:17 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
810	#if _MSC_VER >= 1300	894	#if _MSC_VER >= 1300
811	#define ecb_deprecated __declspec(deprecated)	895	#define ecb_deprecated __declspec (deprecated)
812	#else	896	#else
813	#define ecb_deprecated ecb_attribute ((__deprecated__))	897	#define ecb_deprecated ecb_attribute ((__deprecated__))
814	#endif	898	#endif
815		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
816	#define ecb_noinline ecb_attribute ((__noinline__))	911	#define ecb_noinline ecb_attribute ((__noinline__))
		912	#endif
		913
817	#define ecb_unused ecb_attribute ((__unused__))	914	#define ecb_unused ecb_attribute ((__unused__))
818	#define ecb_const ecb_attribute ((__const__))	915	#define ecb_const ecb_attribute ((__const__))
819	#define ecb_pure ecb_attribute ((__pure__))	916	#define ecb_pure ecb_attribute ((__pure__))
820		917
821	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */	918	#if ECB_C11 || __IBMC_NORETURN
822	#if ECB_C11	919	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
823	#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)
824	#else	926	#else
825	#define ecb_noreturn ecb_attribute ((__noreturn__))	927	#define ecb_noreturn ecb_attribute ((__noreturn__))
826	#endif	928	#endif
827		929
828	#if ECB_GCC_VERSION(4,3)	930	#if ECB_GCC_VERSION(4,3)
…		…
843	/* for compatibility to the rest of the world */	945	/* for compatibility to the rest of the world */
844	#define ecb_likely(expr) ecb_expect_true (expr)	946	#define ecb_likely(expr) ecb_expect_true (expr)
845	#define ecb_unlikely(expr) ecb_expect_false (expr)	947	#define ecb_unlikely(expr) ecb_expect_false (expr)
846		948
847	/* count trailing zero bits and count # of one bits */	949	/* count trailing zero bits and count # of one bits */
848	#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))
849	/* 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 */
850	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	955	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
851	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	956	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
852	#define ecb_ctz32(x) __builtin_ctz (x)	957	#define ecb_ctz32(x) __builtin_ctz (x)
853	#define ecb_ctz64(x) __builtin_ctzll (x)	958	#define ecb_ctz64(x) __builtin_ctzll (x)
854	#define ecb_popcount32(x) __builtin_popcount (x)	959	#define ecb_popcount32(x) __builtin_popcount (x)
855	/* no popcountll */	960	/* no popcountll */
856	#else	961	#else
857	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	962	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
858	ecb_function_ int	963	ecb_function_ ecb_const int
859	ecb_ctz32 (uint32_t x)	964	ecb_ctz32 (uint32_t x)
860	{	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
861	int r = 0;	971	int r = 0;
862		972
863	x &= ~x + 1; /* this isolates the lowest bit */	973	x &= ~x + 1; /* this isolates the lowest bit */
864		974
865	#if ECB_branchless_on_i386	975	#if ECB_branchless_on_i386
…		…
875	if (x & 0xff00ff00) r += 8;	985	if (x & 0xff00ff00) r += 8;
876	if (x & 0xffff0000) r += 16;	986	if (x & 0xffff0000) r += 16;
877	#endif	987	#endif
878		988
879	return r;	989	return r;
		990	#endif
880	}	991	}
881		992
882	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	993	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
883	ecb_function_ int	994	ecb_function_ ecb_const int
884	ecb_ctz64 (uint64_t x)	995	ecb_ctz64 (uint64_t x)
885	{	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
886	int shift = x & 0xffffffffU ? 0 : 32;	1002	int shift = x & 0xffffffff ? 0 : 32;
887	return ecb_ctz32 (x >> shift) + shift;	1003	return ecb_ctz32 (x >> shift) + shift;
		1004	#endif
888	}	1005	}
889		1006
890	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1007	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
891	ecb_function_ int	1008	ecb_function_ ecb_const int
892	ecb_popcount32 (uint32_t x)	1009	ecb_popcount32 (uint32_t x)
893	{	1010	{
894	x -= (x >> 1) & 0x55555555;	1011	x -= (x >> 1) & 0x55555555;
895	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1012	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
896	x = ((x >> 4) + x) & 0x0f0f0f0f;	1013	x = ((x >> 4) + x) & 0x0f0f0f0f;
897	x *= 0x01010101;	1014	x *= 0x01010101;
898		1015
899	return x >> 24;	1016	return x >> 24;
900	}	1017	}
901		1018
902	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1019	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
903	ecb_function_ int ecb_ld32 (uint32_t x)	1020	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
904	{	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
905	int r = 0;	1027	int r = 0;
906		1028
907	if (x >> 16) { x >>= 16; r += 16; }	1029	if (x >> 16) { x >>= 16; r += 16; }
908	if (x >> 8) { x >>= 8; r += 8; }	1030	if (x >> 8) { x >>= 8; r += 8; }
909	if (x >> 4) { x >>= 4; r += 4; }	1031	if (x >> 4) { x >>= 4; r += 4; }
910	if (x >> 2) { x >>= 2; r += 2; }	1032	if (x >> 2) { x >>= 2; r += 2; }
911	if (x >> 1) { r += 1; }	1033	if (x >> 1) { r += 1; }
912		1034
913	return r;	1035	return r;
		1036	#endif
914	}	1037	}
915		1038
916	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1039	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
917	ecb_function_ int ecb_ld64 (uint64_t x)	1040	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
918	{	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
919	int r = 0;	1047	int r = 0;
920		1048
921	if (x >> 32) { x >>= 32; r += 32; }	1049	if (x >> 32) { x >>= 32; r += 32; }
922		1050
923	return r + ecb_ld32 (x);	1051	return r + ecb_ld32 (x);
		1052	#endif
924	}	1053	}
925	#endif	1054	#endif
926		1055
927	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);
928	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)); }
929	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);
930	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)); }
931		1060
932	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1061	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
933	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1062	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
934	{	1063	{
935	return ( (x * 0x0802U & 0x22110U)	1064	return ( (x * 0x0802U & 0x22110U)
936	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1065	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
937	}	1066	}
938		1067
939	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1068	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
940	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1069	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
941	{	1070	{
942	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1071	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
943	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1072	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
944	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1073	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
945	x = ( x >> 8 ) | ( x << 8);	1074	x = ( x >> 8 ) | ( x << 8);
946		1075
947	return x;	1076	return x;
948	}	1077	}
949		1078
950	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1079	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
951	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1080	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
952	{	1081	{
953	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1082	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
954	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1083	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
955	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1084	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
956	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1085	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
959	return x;	1088	return x;
960	}	1089	}
961		1090
962	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1091	/* popcount64 is only available on 64 bit cpus as gcc builtin */
963	/* so for this version we are lazy */	1092	/* so for this version we are lazy */
964	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1093	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
965	ecb_function_ int	1094	ecb_function_ ecb_const int
966	ecb_popcount64 (uint64_t x)	1095	ecb_popcount64 (uint64_t x)
967	{	1096	{
968	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1097	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
969	}	1098	}
970		1099
971	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);
972	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);
973	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);
974	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);
975	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);
976	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);
977	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);
978	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);
979		1108
980	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); }
981	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); }
982	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); }
983	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); }
984	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); }
985	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); }
986	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); }
987	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); }
988		1117
989	#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
990	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1122	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1123	#endif
991	#define ecb_bswap32(x) __builtin_bswap32 (x)	1124	#define ecb_bswap32(x) __builtin_bswap32 (x)
992	#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)))
993	#else	1131	#else
994	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1132	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
995	ecb_function_ uint16_t	1133	ecb_function_ ecb_const uint16_t
996	ecb_bswap16 (uint16_t x)	1134	ecb_bswap16 (uint16_t x)
997	{	1135	{
998	return ecb_rotl16 (x, 8);	1136	return ecb_rotl16 (x, 8);
999	}	1137	}
1000		1138
1001	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1139	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
1002	ecb_function_ uint32_t	1140	ecb_function_ ecb_const uint32_t
1003	ecb_bswap32 (uint32_t x)	1141	ecb_bswap32 (uint32_t x)
1004	{	1142	{
1005	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1143	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
1006	}	1144	}
1007		1145
1008	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1146	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1009	ecb_function_ uint64_t	1147	ecb_function_ ecb_const uint64_t
1010	ecb_bswap64 (uint64_t x)	1148	ecb_bswap64 (uint64_t x)
1011	{	1149	{
1012	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1150	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1013	}	1151	}
1014	#endif	1152	#endif
1015		1153
1016	#if ECB_GCC_VERSION(4,5)	1154	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1017	#define ecb_unreachable() __builtin_unreachable ()	1155	#define ecb_unreachable() __builtin_unreachable ()
1018	#else	1156	#else
1019	/* 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 :/ */
1020	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1158	ecb_inline ecb_noreturn void ecb_unreachable (void);
1021	ecb_inline void ecb_unreachable (void) { }	1159	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1022	#endif	1160	#endif
1023		1161
1024	/* try to tell the compiler that some condition is definitely true */	1162	/* try to tell the compiler that some condition is definitely true */
1025	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1163	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1026		1164
1027	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1165	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1028	ecb_inline unsigned char	1166	ecb_inline ecb_const uint32_t
1029	ecb_byteorder_helper (void)	1167	ecb_byteorder_helper (void)
1030	{	1168	{
1031	/* the union code still generates code under pressure in gcc, */	1169	/* the union code still generates code under pressure in gcc, */
1032	/* but less than using pointers, and always seems to */	1170	/* but less than using pointers, and always seems to */
1033	/* successfully return a constant. */	1171	/* successfully return a constant. */
1034	/* the reason why we have this horrible preprocessor mess */	1172	/* the reason why we have this horrible preprocessor mess */
1035	/* 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 */
1036	/* or when using a recent enough gcc version (>= 4.6) */	1174	/* or when using a recent enough gcc version (>= 4.6) */
1037	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
1038	return 0x44;
1039	#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
1040	return 0x44;	1178	return 0x44332211;
1041	#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
1042	return 0x11;	1182	return 0x11223344;
1043	#else	1183	#else
1044	union	1184	union
1045	{	1185	{
		1186	uint8_t c[4];
1046	uint32_t i;	1187	uint32_t u;
1047	uint8_t c;
1048	} u = { 0x11223344 };	1188	} u = { 0x11, 0x22, 0x33, 0x44 };
1049	return u.c;	1189	return u.u;
1050	#endif	1190	#endif
1051	}	1191	}
1052		1192
1053	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1193	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1054	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; }
1055	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1195	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1056	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; }
1057		1197
1058	#if ECB_GCC_VERSION(3,0) || ECB_C99	1198	#if ECB_GCC_VERSION(3,0) || ECB_C99
1059	#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))
1060	#else	1200	#else
1061	#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)))
1062	#endif	1202	#endif
1063		1203
1064	#if __cplusplus	1204	#if ECB_CPP
1065	template<typename T>	1205	template<typename T>
1066	static inline T ecb_div_rd (T val, T div)	1206	static inline T ecb_div_rd (T val, T div)
1067	{	1207	{
1068	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1208	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1069	}	1209	}
…		…
1086	}	1226	}
1087	#else	1227	#else
1088	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1228	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1089	#endif	1229	#endif
1090		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
1091	/*******************************************************************************/	1327	/*******************************************************************************/
1092	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1328	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1093		1329
1094	/* basically, everything uses "ieee pure-endian" floating point numbers */	1330	/* basically, everything uses "ieee pure-endian" floating point numbers */
1095	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1331	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1096	#if 0 \	1332	#if 0 \
1097	|| __i386 || __i386__ \	1333	|| __i386 || __i386__ \
1098	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1334	|| ECB_GCC_AMD64 \
1099	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1335	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1100	|| defined __s390__ || defined __s390x__ \	1336	|| defined __s390__ || defined __s390x__ \
1101	|| defined __mips__ \	1337	|| defined __mips__ \
1102	|| defined __alpha__ \	1338	|| defined __alpha__ \
1103	|| defined __hppa__ \	1339	|| defined __hppa__ \
1104	|| defined __ia64__ \	1340	|| defined __ia64__ \
1105	|| defined __m68k__ \	1341	|| defined __m68k__ \
1106	|| defined __m88k__ \	1342	|| defined __m88k__ \
1107	|| defined __sh__ \	1343	|| defined __sh__ \
1108	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1344	|| defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1109	|| (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__)) \
1110	|| defined __aarch64__	1346	|| defined __aarch64__
1111	#define ECB_STDFP 1	1347	#define ECB_STDFP 1
1112	#include <string.h> /* for memcpy */	1348	#include <string.h> /* for memcpy */
1113	#else	1349	#else
…		…
1129	#define ECB_NAN NAN	1365	#define ECB_NAN NAN
1130	#else	1366	#else
1131	#define ECB_NAN ECB_INFINITY	1367	#define ECB_NAN ECB_INFINITY
1132	#endif	1368	#endif
1133		1369
1134	/* converts an ieee half/binary16 to a float */	1370	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1135	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1371	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1136	ecb_function_ float	1372	#define ecb_frexpf(x,e) frexpf ((x), (e))
1137	ecb_binary16_to_float (uint16_t x)	1373	#else
1138	{	1374	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1139	int e = (x >> 10) & 0x1f;	1375	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1140	int m = x & 0x3ff;	1376	#endif
1141	float r;
1142
1143	if (!e ) r = ldexpf (m , -24);
1144	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
1145	else if (m ) r = ECB_NAN;
1146	else r = ECB_INFINITY;
1147
1148	return x & 0x8000 ? -r : r;
1149	}
1150		1377
1151	/* convert a float to ieee single/binary32 */	1378	/* convert a float to ieee single/binary32 */
1152	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);
1153	ecb_function_ uint32_t	1380	ecb_function_ ecb_const uint32_t
1154	ecb_float_to_binary32 (float x)	1381	ecb_float_to_binary32 (float x)
1155	{	1382	{
1156	uint32_t r;	1383	uint32_t r;
1157		1384
1158	#if ECB_STDFP	1385	#if ECB_STDFP
…		…
1165	if (x == 0e0f ) return 0x00000000U;	1392	if (x == 0e0f ) return 0x00000000U;
1166	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1393	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1167	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1394	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1168	if (x != x ) return 0x7fbfffffU;	1395	if (x != x ) return 0x7fbfffffU;
1169		1396
1170	m = frexpf (x, &e) * 0x1000000U;	1397	m = ecb_frexpf (x, &e) * 0x1000000U;
1171		1398
1172	r = m & 0x80000000U;	1399	r = m & 0x80000000U;
1173		1400
1174	if (r)	1401	if (r)
1175	m = -m;	1402	m = -m;
…		…
1187		1414
1188	return r;	1415	return r;
1189	}	1416	}
1190		1417
1191	/* converts an ieee single/binary32 to a float */	1418	/* converts an ieee single/binary32 to a float */
1192	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);
1193	ecb_function_ float	1420	ecb_function_ ecb_const float
1194	ecb_binary32_to_float (uint32_t x)	1421	ecb_binary32_to_float (uint32_t x)
1195	{	1422	{
1196	float r;	1423	float r;
1197		1424
1198	#if ECB_STDFP	1425	#if ECB_STDFP
…		…
1208	x |= 0x800000U;	1435	x |= 0x800000U;
1209	else	1436	else
1210	e = 1;	1437	e = 1;
1211		1438
1212	/* 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 */
1213	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1440	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1214		1441
1215	r = neg ? -r : r;	1442	r = neg ? -r : r;
1216	#endif	1443	#endif
1217		1444
1218	return r;	1445	return r;
1219	}	1446	}
1220		1447
1221	/* convert a double to ieee double/binary64 */	1448	/* convert a double to ieee double/binary64 */
1222	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);
1223	ecb_function_ uint64_t	1450	ecb_function_ ecb_const uint64_t
1224	ecb_double_to_binary64 (double x)	1451	ecb_double_to_binary64 (double x)
1225	{	1452	{
1226	uint64_t r;	1453	uint64_t r;
1227		1454
1228	#if ECB_STDFP	1455	#if ECB_STDFP
…		…
1257		1484
1258	return r;	1485	return r;
1259	}	1486	}
1260		1487
1261	/* converts an ieee double/binary64 to a double */	1488	/* converts an ieee double/binary64 to a double */
1262	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);
1263	ecb_function_ double	1490	ecb_function_ ecb_const double
1264	ecb_binary64_to_double (uint64_t x)	1491	ecb_binary64_to_double (uint64_t x)
1265	{	1492	{
1266	double r;	1493	double r;
1267		1494
1268	#if ECB_STDFP	1495	#if ECB_STDFP
…		…
1284		1511
1285	r = neg ? -r : r;	1512	r = neg ? -r : r;
1286	#endif	1513	#endif
1287		1514
1288	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));
1289	}	1532	}
1290		1533
1291	#endif	1534	#endif
1292		1535
1293	#endif	1536	#endif
…		…
1318	#define inline_size ecb_inline	1561	#define inline_size ecb_inline
1319		1562
1320	#if EV_FEATURE_CODE	1563	#if EV_FEATURE_CODE
1321	# define inline_speed ecb_inline	1564	# define inline_speed ecb_inline
1322	#else	1565	#else
1323	# define inline_speed static noinline	1566	# define inline_speed noinline static
1324	#endif	1567	#endif
1325		1568
1326	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1569	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1327		1570
1328	#if EV_MINPRI == EV_MAXPRI	1571	#if EV_MINPRI == EV_MAXPRI
1329	# define ABSPRI(w) (((W)w), 0)	1572	# define ABSPRI(w) (((W)w), 0)
1330	#else	1573	#else
1331	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1574	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1332	#endif	1575	#endif
1333		1576
1334	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1577	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1335	#define EMPTY2(a,b) /* used to suppress some warnings */
1336		1578
1337	typedef ev_watcher *W;	1579	typedef ev_watcher *W;
1338	typedef ev_watcher_list *WL;	1580	typedef ev_watcher_list *WL;
1339	typedef ev_watcher_time *WT;	1581	typedef ev_watcher_time *WT;
1340		1582
…		…
1375	#else	1617	#else
1376		1618
1377	#include <float.h>	1619	#include <float.h>
1378		1620
1379	/* 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
1380	static ev_tstamp noinline	1623	static ev_tstamp
1381	ev_floor (ev_tstamp v)	1624	ev_floor (ev_tstamp v)
1382	{	1625	{
1383	/* the choice of shift factor is not terribly important */	1626	/* the choice of shift factor is not terribly important */
1384	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1627	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1385	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1628	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
…		…
1417		1660
1418	#ifdef __linux	1661	#ifdef __linux
1419	# include <sys/utsname.h>	1662	# include <sys/utsname.h>
1420	#endif	1663	#endif
1421		1664
1422	static unsigned int noinline ecb_cold	1665	noinline ecb_cold
		1666	static unsigned int
1423	ev_linux_version (void)	1667	ev_linux_version (void)
1424	{	1668	{
1425	#ifdef __linux	1669	#ifdef __linux
1426	unsigned int v = 0;	1670	unsigned int v = 0;
1427	struct utsname buf;	1671	struct utsname buf;
…		…
1456	}	1700	}
1457		1701
1458	/*****************************************************************************/	1702	/*****************************************************************************/
1459		1703
1460	#if EV_AVOID_STDIO	1704	#if EV_AVOID_STDIO
1461	static void noinline ecb_cold	1705	noinline ecb_cold
		1706	static void
1462	ev_printerr (const char *msg)	1707	ev_printerr (const char *msg)
1463	{	1708	{
1464	write (STDERR_FILENO, msg, strlen (msg));	1709	write (STDERR_FILENO, msg, strlen (msg));
1465	}	1710	}
1466	#endif	1711	#endif
1467		1712
1468	static void (*syserr_cb)(const char *msg) EV_THROW;	1713	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1469		1714
1470	void ecb_cold	1715	ecb_cold
		1716	void
1471	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
1472	{	1718	{
1473	syserr_cb = cb;	1719	syserr_cb = cb;
1474	}	1720	}
1475		1721
1476	static void noinline ecb_cold	1722	noinline ecb_cold
		1723	static void
1477	ev_syserr (const char *msg)	1724	ev_syserr (const char *msg)
1478	{	1725	{
1479	if (!msg)	1726	if (!msg)
1480	msg = "(libev) system error";	1727	msg = "(libev) system error";
1481		1728
…		…
1494	abort ();	1741	abort ();
1495	}	1742	}
1496	}	1743	}
1497		1744
1498	static void *	1745	static void *
1499	ev_realloc_emul (void *ptr, long size) EV_THROW	1746	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1500	{	1747	{
1501	/* some systems, notably openbsd and darwin, fail to properly	1748	/* some systems, notably openbsd and darwin, fail to properly
1502	* 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
1503	* the single unix specification, so work around them here.	1750	* the single unix specification, so work around them here.
1504	* recently, also (at least) fedora and debian started breaking it,	1751	* recently, also (at least) fedora and debian started breaking it,
…		…
1510		1757
1511	free (ptr);	1758	free (ptr);
1512	return 0;	1759	return 0;
1513	}	1760	}
1514		1761
1515	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;
1516		1763
1517	void ecb_cold	1764	ecb_cold
		1765	void
1518	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
1519	{	1767	{
1520	alloc = cb;	1768	alloc = cb;
1521	}	1769	}
1522		1770
1523	inline_speed void *	1771	inline_speed void *
…		…
1550	typedef struct	1798	typedef struct
1551	{	1799	{
1552	WL head;	1800	WL head;
1553	unsigned char events; /* the events watched for */	1801	unsigned char events; /* the events watched for */
1554	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) */
1555	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 */
1556	unsigned char unused;	1804	unsigned char unused;
1557	#if EV_USE_EPOLL	1805	#if EV_USE_EPOLL
1558	unsigned int egen; /* generation counter to counter epoll bugs */	1806	unsigned int egen; /* generation counter to counter epoll bugs */
1559	#endif	1807	#endif
1560	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1808	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1640		1888
1641	/*****************************************************************************/	1889	/*****************************************************************************/
1642		1890
1643	#ifndef EV_HAVE_EV_TIME	1891	#ifndef EV_HAVE_EV_TIME
1644	ev_tstamp	1892	ev_tstamp
1645	ev_time (void) EV_THROW	1893	ev_time (void) EV_NOEXCEPT
1646	{	1894	{
1647	#if EV_USE_REALTIME	1895	#if EV_USE_REALTIME
1648	if (expect_true (have_realtime))	1896	if (expect_true (have_realtime))
1649	{	1897	{
1650	struct timespec ts;	1898	struct timespec ts;
…		…
1674	return ev_time ();	1922	return ev_time ();
1675	}	1923	}
1676		1924
1677	#if EV_MULTIPLICITY	1925	#if EV_MULTIPLICITY
1678	ev_tstamp	1926	ev_tstamp
1679	ev_now (EV_P) EV_THROW	1927	ev_now (EV_P) EV_NOEXCEPT
1680	{	1928	{
1681	return ev_rt_now;	1929	return ev_rt_now;
1682	}	1930	}
1683	#endif	1931	#endif
1684		1932
1685	void	1933	void
1686	ev_sleep (ev_tstamp delay) EV_THROW	1934	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1687	{	1935	{
1688	if (delay > 0.)	1936	if (delay > 0.)
1689	{	1937	{
1690	#if EV_USE_NANOSLEEP	1938	#if EV_USE_NANOSLEEP
1691	struct timespec ts;	1939	struct timespec ts;
1692		1940
1693	EV_TS_SET (ts, delay);	1941	EV_TS_SET (ts, delay);
1694	nanosleep (&ts, 0);	1942	nanosleep (&ts, 0);
1695	#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) */
1696	Sleep ((unsigned long)(delay * 1e3));	1946	Sleep ((unsigned long)(delay * 1e3));
1697	#else	1947	#else
1698	struct timeval tv;	1948	struct timeval tv;
1699		1949
1700	/* 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 */
…		…
1731	}	1981	}
1732		1982
1733	return ncur;	1983	return ncur;
1734	}	1984	}
1735		1985
1736	static void * noinline ecb_cold	1986	noinline ecb_cold
		1987	static void *
1737	array_realloc (int elem, void *base, int *cur, int cnt)	1988	array_realloc (int elem, void *base, int *cur, int cnt)
1738	{	1989	{
1739	*cur = array_nextsize (elem, *cur, cnt);	1990	*cur = array_nextsize (elem, *cur, cnt);
1740	return ev_realloc (base, elem * *cur);	1991	return ev_realloc (base, elem * *cur);
1741	}	1992	}
1742		1993
		1994	#define array_needsize_noinit(base,count)
		1995
1743	#define array_init_zero(base,count) \	1996	#define array_needsize_zerofill(base,count) \
1744	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1997	memset ((void *)(base), 0, sizeof (*(base)) * (count))
1745		1998
1746	#define array_needsize(type,base,cur,cnt,init) \	1999	#define array_needsize(type,base,cur,cnt,init) \
1747	if (expect_false ((cnt) > (cur))) \	2000	if (expect_false ((cnt) > (cur))) \
1748	{ \	2001	{ \
1749	int ecb_unused ocur_ = (cur); \	2002	ecb_unused int ocur_ = (cur); \
1750	(base) = (type *)array_realloc \	2003	(base) = (type *)array_realloc \
1751	(sizeof (type), (base), &(cur), (cnt)); \	2004	(sizeof (type), (base), &(cur), (cnt)); \
1752	init ((base) + (ocur_), (cur) - ocur_); \	2005	init ((base) + (ocur_), (cur) - ocur_); \
1753	}	2006	}
1754		2007
…		…
1766	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
1767		2020
1768	/*****************************************************************************/	2021	/*****************************************************************************/
1769		2022
1770	/* dummy callback for pending events */	2023	/* dummy callback for pending events */
1771	static void noinline	2024	noinline
		2025	static void
1772	pendingcb (EV_P_ ev_prepare *w, int revents)	2026	pendingcb (EV_P_ ev_prepare *w, int revents)
1773	{	2027	{
1774	}	2028	}
1775		2029
1776	void noinline	2030	noinline
		2031	void
1777	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2032	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1778	{	2033	{
1779	W w_ = (W)w;	2034	W w_ = (W)w;
1780	int pri = ABSPRI (w_);	2035	int pri = ABSPRI (w_);
1781		2036
1782	if (expect_false (w_->pending))	2037	if (expect_false (w_->pending))
1783	pendings [pri][w_->pending - 1].events |= revents;	2038	pendings [pri][w_->pending - 1].events |= revents;
1784	else	2039	else
1785	{	2040	{
1786	w_->pending = ++pendingcnt [pri];	2041	w_->pending = ++pendingcnt [pri];
1787	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2042	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1788	pendings [pri][w_->pending - 1].w = w_;	2043	pendings [pri][w_->pending - 1].w = w_;
1789	pendings [pri][w_->pending - 1].events = revents;	2044	pendings [pri][w_->pending - 1].events = revents;
1790	}	2045	}
1791		2046
1792	pendingpri = NUMPRI - 1;	2047	pendingpri = NUMPRI - 1;
1793	}	2048	}
1794		2049
1795	inline_speed void	2050	inline_speed void
1796	feed_reverse (EV_P_ W w)	2051	feed_reverse (EV_P_ W w)
1797	{	2052	{
1798	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2053	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1799	rfeeds [rfeedcnt++] = w;	2054	rfeeds [rfeedcnt++] = w;
1800	}	2055	}
1801		2056
1802	inline_size void	2057	inline_size void
1803	feed_reverse_done (EV_P_ int revents)	2058	feed_reverse_done (EV_P_ int revents)
…		…
1843	if (expect_true (!anfd->reify))	2098	if (expect_true (!anfd->reify))
1844	fd_event_nocheck (EV_A_ fd, revents);	2099	fd_event_nocheck (EV_A_ fd, revents);
1845	}	2100	}
1846		2101
1847	void	2102	void
1848	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
1849	{	2104	{
1850	if (fd >= 0 && fd < anfdmax)	2105	if (fd >= 0 && fd < anfdmax)
1851	fd_event_nocheck (EV_A_ fd, revents);	2106	fd_event_nocheck (EV_A_ fd, revents);
1852	}	2107	}
1853		2108
…		…
1911		2166
1912	fdchangecnt = 0;	2167	fdchangecnt = 0;
1913	}	2168	}
1914		2169
1915	/* something about the given fd changed */	2170	/* something about the given fd changed */
1916	inline_size void	2171	inline_size
		2172	void
1917	fd_change (EV_P_ int fd, int flags)	2173	fd_change (EV_P_ int fd, int flags)
1918	{	2174	{
1919	unsigned char reify = anfds [fd].reify;	2175	unsigned char reify = anfds [fd].reify;
1920	anfds [fd].reify |= flags;	2176	anfds [fd].reify |= flags;
1921		2177
1922	if (expect_true (!reify))	2178	if (expect_true (!reify))
1923	{	2179	{
1924	++fdchangecnt;	2180	++fdchangecnt;
1925	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2181	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1926	fdchanges [fdchangecnt - 1] = fd;	2182	fdchanges [fdchangecnt - 1] = fd;
1927	}	2183	}
1928	}	2184	}
1929		2185
1930	/* 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 */
1931	inline_speed void ecb_cold	2187	inline_speed ecb_cold void
1932	fd_kill (EV_P_ int fd)	2188	fd_kill (EV_P_ int fd)
1933	{	2189	{
1934	ev_io *w;	2190	ev_io *w;
1935		2191
1936	while ((w = (ev_io *)anfds [fd].head))	2192	while ((w = (ev_io *)anfds [fd].head))
…		…
1939	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);
1940	}	2196	}
1941	}	2197	}
1942		2198
1943	/* check whether the given fd is actually valid, for error recovery */	2199	/* check whether the given fd is actually valid, for error recovery */
1944	inline_size int ecb_cold	2200	inline_size ecb_cold int
1945	fd_valid (int fd)	2201	fd_valid (int fd)
1946	{	2202	{
1947	#ifdef _WIN32	2203	#ifdef _WIN32
1948	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2204	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1949	#else	2205	#else
1950	return fcntl (fd, F_GETFD) != -1;	2206	return fcntl (fd, F_GETFD) != -1;
1951	#endif	2207	#endif
1952	}	2208	}
1953		2209
1954	/* called on EBADF to verify fds */	2210	/* called on EBADF to verify fds */
1955	static void noinline ecb_cold	2211	noinline ecb_cold
		2212	static void
1956	fd_ebadf (EV_P)	2213	fd_ebadf (EV_P)
1957	{	2214	{
1958	int fd;	2215	int fd;
1959		2216
1960	for (fd = 0; fd < anfdmax; ++fd)	2217	for (fd = 0; fd < anfdmax; ++fd)
…		…
1962	if (!fd_valid (fd) && errno == EBADF)	2219	if (!fd_valid (fd) && errno == EBADF)
1963	fd_kill (EV_A_ fd);	2220	fd_kill (EV_A_ fd);
1964	}	2221	}
1965		2222
1966	/* 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 */
1967	static void noinline ecb_cold	2224	noinline ecb_cold
		2225	static void
1968	fd_enomem (EV_P)	2226	fd_enomem (EV_P)
1969	{	2227	{
1970	int fd;	2228	int fd;
1971		2229
1972	for (fd = anfdmax; fd--; )	2230	for (fd = anfdmax; fd--; )
…		…
1976	break;	2234	break;
1977	}	2235	}
1978	}	2236	}
1979		2237
1980	/* 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 */
1981	static void noinline	2239	noinline
		2240	static void
1982	fd_rearm_all (EV_P)	2241	fd_rearm_all (EV_P)
1983	{	2242	{
1984	int fd;	2243	int fd;
1985		2244
1986	for (fd = 0; fd < anfdmax; ++fd)	2245	for (fd = 0; fd < anfdmax; ++fd)
…		…
2167		2426
2168	/*****************************************************************************/	2427	/*****************************************************************************/
2169		2428
2170	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2429	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2171		2430
2172	static void noinline ecb_cold	2431	noinline ecb_cold
		2432	static void
2173	evpipe_init (EV_P)	2433	evpipe_init (EV_P)
2174	{	2434	{
2175	if (!ev_is_active (&pipe_w))	2435	if (!ev_is_active (&pipe_w))
2176	{	2436	{
2177	int fds [2];	2437	int fds [2];
…		…
2248	#endif	2508	#endif
2249	{	2509	{
2250	#ifdef _WIN32	2510	#ifdef _WIN32
2251	WSABUF buf;	2511	WSABUF buf;
2252	DWORD sent;	2512	DWORD sent;
2253	buf.buf = &buf;	2513	buf.buf = (char *)&buf;
2254	buf.len = 1;	2514	buf.len = 1;
2255	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);
2256	#else	2516	#else
2257	write (evpipe [1], &(evpipe [1]), 1);	2517	write (evpipe [1], &(evpipe [1]), 1);
2258	#endif	2518	#endif
…		…
2330	}	2590	}
2331		2591
2332	/*****************************************************************************/	2592	/*****************************************************************************/
2333		2593
2334	void	2594	void
2335	ev_feed_signal (int signum) EV_THROW	2595	ev_feed_signal (int signum) EV_NOEXCEPT
2336	{	2596	{
2337	#if EV_MULTIPLICITY	2597	#if EV_MULTIPLICITY
2338	EV_P;	2598	EV_P;
2339	ECB_MEMORY_FENCE_ACQUIRE;	2599	ECB_MEMORY_FENCE_ACQUIRE;
2340	EV_A = signals [signum - 1].loop;	2600	EV_A = signals [signum - 1].loop;
…		…
2355	#endif	2615	#endif
2356		2616
2357	ev_feed_signal (signum);	2617	ev_feed_signal (signum);
2358	}	2618	}
2359		2619
2360	void noinline	2620	noinline
		2621	void
2361	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2622	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2362	{	2623	{
2363	WL w;	2624	WL w;
2364		2625
2365	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2626	if (expect_false (signum <= 0 || signum >= EV_NSIG))
2366	return;	2627	return;
…		…
2472	# include "ev_port.c"	2733	# include "ev_port.c"
2473	#endif	2734	#endif
2474	#if EV_USE_KQUEUE	2735	#if EV_USE_KQUEUE
2475	# include "ev_kqueue.c"	2736	# include "ev_kqueue.c"
2476	#endif	2737	#endif
		2738	#if EV_USE_LINUXAIO
		2739	# include "ev_linuxaio.c"
		2740	#endif
2477	#if EV_USE_EPOLL	2741	#if EV_USE_EPOLL
2478	# include "ev_epoll.c"	2742	# include "ev_epoll.c"
2479	#endif	2743	#endif
2480	#if EV_USE_POLL	2744	#if EV_USE_POLL
2481	# include "ev_poll.c"	2745	# include "ev_poll.c"
2482	#endif	2746	#endif
2483	#if EV_USE_SELECT	2747	#if EV_USE_SELECT
2484	# include "ev_select.c"	2748	# include "ev_select.c"
2485	#endif	2749	#endif
2486		2750
2487	int ecb_cold	2751	ecb_cold int
2488	ev_version_major (void) EV_THROW	2752	ev_version_major (void) EV_NOEXCEPT
2489	{	2753	{
2490	return EV_VERSION_MAJOR;	2754	return EV_VERSION_MAJOR;
2491	}	2755	}
2492		2756
2493	int ecb_cold	2757	ecb_cold int
2494	ev_version_minor (void) EV_THROW	2758	ev_version_minor (void) EV_NOEXCEPT
2495	{	2759	{
2496	return EV_VERSION_MINOR;	2760	return EV_VERSION_MINOR;
2497	}	2761	}
2498		2762
2499	/* 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 */
2500	int inline_size ecb_cold	2764	inline_size ecb_cold int
2501	enable_secure (void)	2765	enable_secure (void)
2502	{	2766	{
2503	#ifdef _WIN32	2767	#ifdef _WIN32
2504	return 0;	2768	return 0;
2505	#else	2769	#else
2506	return getuid () != geteuid ()	2770	return getuid () != geteuid ()
2507	|| getgid () != getegid ();	2771	|| getgid () != getegid ();
2508	#endif	2772	#endif
2509	}	2773	}
2510		2774
2511	unsigned int ecb_cold	2775	ecb_cold
		2776	unsigned int
2512	ev_supported_backends (void) EV_THROW	2777	ev_supported_backends (void) EV_NOEXCEPT
2513	{	2778	{
2514	unsigned int flags = 0;	2779	unsigned int flags = 0;
2515		2780
2516	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2781	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2517	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2782	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2518	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2783	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2784	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
2519	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2785	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2520	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2786	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2521		2787
2522	return flags;	2788	return flags;
2523	}	2789	}
2524		2790
2525	unsigned int ecb_cold	2791	ecb_cold
		2792	unsigned int
2526	ev_recommended_backends (void) EV_THROW	2793	ev_recommended_backends (void) EV_NOEXCEPT
2527	{	2794	{
2528	unsigned int flags = ev_supported_backends ();	2795	unsigned int flags = ev_supported_backends ();
2529		2796
2530	#ifndef __NetBSD__	2797	#ifndef __NetBSD__
2531	/* kqueue is borked on everything but netbsd apparently */	2798	/* kqueue is borked on everything but netbsd apparently */
…		…
2539	#endif	2806	#endif
2540	#ifdef __FreeBSD__	2807	#ifdef __FreeBSD__
2541	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) */
2542	#endif	2809	#endif
2543		2810
		2811	/* TODO: linuxaio is very experimental */
		2812	flags &= ~EVBACKEND_LINUXAIO;
		2813
2544	return flags;	2814	return flags;
2545	}	2815	}
2546		2816
2547	unsigned int ecb_cold	2817	ecb_cold
		2818	unsigned int
2548	ev_embeddable_backends (void) EV_THROW	2819	ev_embeddable_backends (void) EV_NOEXCEPT
2549	{	2820	{
2550	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2821	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2551		2822
2552	/* 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 */
2553	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 */
…		…
2555		2826
2556	return flags;	2827	return flags;
2557	}	2828	}
2558		2829
2559	unsigned int	2830	unsigned int
2560	ev_backend (EV_P) EV_THROW	2831	ev_backend (EV_P) EV_NOEXCEPT
2561	{	2832	{
2562	return backend;	2833	return backend;
2563	}	2834	}
2564		2835
2565	#if EV_FEATURE_API	2836	#if EV_FEATURE_API
2566	unsigned int	2837	unsigned int
2567	ev_iteration (EV_P) EV_THROW	2838	ev_iteration (EV_P) EV_NOEXCEPT
2568	{	2839	{
2569	return loop_count;	2840	return loop_count;
2570	}	2841	}
2571		2842
2572	unsigned int	2843	unsigned int
2573	ev_depth (EV_P) EV_THROW	2844	ev_depth (EV_P) EV_NOEXCEPT
2574	{	2845	{
2575	return loop_depth;	2846	return loop_depth;
2576	}	2847	}
2577		2848
2578	void	2849	void
2579	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
2580	{	2851	{
2581	io_blocktime = interval;	2852	io_blocktime = interval;
2582	}	2853	}
2583		2854
2584	void	2855	void
2585	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
2586	{	2857	{
2587	timeout_blocktime = interval;	2858	timeout_blocktime = interval;
2588	}	2859	}
2589		2860
2590	void	2861	void
2591	ev_set_userdata (EV_P_ void *data) EV_THROW	2862	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2592	{	2863	{
2593	userdata = data;	2864	userdata = data;
2594	}	2865	}
2595		2866
2596	void *	2867	void *
2597	ev_userdata (EV_P) EV_THROW	2868	ev_userdata (EV_P) EV_NOEXCEPT
2598	{	2869	{
2599	return userdata;	2870	return userdata;
2600	}	2871	}
2601		2872
2602	void	2873	void
2603	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
2604	{	2875	{
2605	invoke_cb = invoke_pending_cb;	2876	invoke_cb = invoke_pending_cb;
2606	}	2877	}
2607		2878
2608	void	2879	void
2609	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
2610	{	2881	{
2611	release_cb = release;	2882	release_cb = release;
2612	acquire_cb = acquire;	2883	acquire_cb = acquire;
2613	}	2884	}
2614	#endif	2885	#endif
2615		2886
2616	/* initialise a loop structure, must be zero-initialised */	2887	/* initialise a loop structure, must be zero-initialised */
2617	static void noinline ecb_cold	2888	noinline ecb_cold
		2889	static void
2618	loop_init (EV_P_ unsigned int flags) EV_THROW	2890	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2619	{	2891	{
2620	if (!backend)	2892	if (!backend)
2621	{	2893	{
2622	origflags = flags;	2894	origflags = flags;
2623		2895
…		…
2681		2953
2682	if (!(flags & EVBACKEND_MASK))	2954	if (!(flags & EVBACKEND_MASK))
2683	flags |= ev_recommended_backends ();	2955	flags |= ev_recommended_backends ();
2684		2956
2685	#if EV_USE_IOCP	2957	#if EV_USE_IOCP
2686	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	2958	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2687	#endif	2959	#endif
2688	#if EV_USE_PORT	2960	#if EV_USE_PORT
2689	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	2961	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2690	#endif	2962	#endif
2691	#if EV_USE_KQUEUE	2963	#if EV_USE_KQUEUE
2692	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);
2693	#endif	2968	#endif
2694	#if EV_USE_EPOLL	2969	#if EV_USE_EPOLL
2695	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	2970	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2696	#endif	2971	#endif
2697	#if EV_USE_POLL	2972	#if EV_USE_POLL
2698	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	2973	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2699	#endif	2974	#endif
2700	#if EV_USE_SELECT	2975	#if EV_USE_SELECT
2701	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	2976	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2702	#endif	2977	#endif
2703		2978
2704	ev_prepare_init (&pending_w, pendingcb);	2979	ev_prepare_init (&pending_w, pendingcb);
2705		2980
2706	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2981	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2709	#endif	2984	#endif
2710	}	2985	}
2711	}	2986	}
2712		2987
2713	/* free up a loop structure */	2988	/* free up a loop structure */
2714	void ecb_cold	2989	ecb_cold
		2990	void
2715	ev_loop_destroy (EV_P)	2991	ev_loop_destroy (EV_P)
2716	{	2992	{
2717	int i;	2993	int i;
2718		2994
2719	#if EV_MULTIPLICITY	2995	#if EV_MULTIPLICITY
…		…
2760		3036
2761	if (backend_fd >= 0)	3037	if (backend_fd >= 0)
2762	close (backend_fd);	3038	close (backend_fd);
2763		3039
2764	#if EV_USE_IOCP	3040	#if EV_USE_IOCP
2765	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3041	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2766	#endif	3042	#endif
2767	#if EV_USE_PORT	3043	#if EV_USE_PORT
2768	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3044	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2769	#endif	3045	#endif
2770	#if EV_USE_KQUEUE	3046	#if EV_USE_KQUEUE
2771	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);
2772	#endif	3051	#endif
2773	#if EV_USE_EPOLL	3052	#if EV_USE_EPOLL
2774	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3053	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2775	#endif	3054	#endif
2776	#if EV_USE_POLL	3055	#if EV_USE_POLL
2777	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3056	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2778	#endif	3057	#endif
2779	#if EV_USE_SELECT	3058	#if EV_USE_SELECT
2780	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3059	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2781	#endif	3060	#endif
2782		3061
2783	for (i = NUMPRI; i--; )	3062	for (i = NUMPRI; i--; )
2784	{	3063	{
2785	array_free (pending, [i]);	3064	array_free (pending, [i]);
…		…
2827		3106
2828	inline_size void	3107	inline_size void
2829	loop_fork (EV_P)	3108	loop_fork (EV_P)
2830	{	3109	{
2831	#if EV_USE_PORT	3110	#if EV_USE_PORT
2832	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3111	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2833	#endif	3112	#endif
2834	#if EV_USE_KQUEUE	3113	#if EV_USE_KQUEUE
2835	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);
2836	#endif	3118	#endif
2837	#if EV_USE_EPOLL	3119	#if EV_USE_EPOLL
2838	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3120	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2839	#endif	3121	#endif
2840	#if EV_USE_INOTIFY	3122	#if EV_USE_INOTIFY
2841	infy_fork (EV_A);	3123	infy_fork (EV_A);
2842	#endif	3124	#endif
2843		3125
2844	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3126	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2845	if (ev_is_active (&pipe_w))	3127	if (ev_is_active (&pipe_w) && postfork != 2)
2846	{	3128	{
2847	/* 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 */
2848		3130
2849	ev_ref (EV_A);	3131	ev_ref (EV_A);
2850	ev_io_stop (EV_A_ &pipe_w);	3132	ev_io_stop (EV_A_ &pipe_w);
…		…
2861	postfork = 0;	3143	postfork = 0;
2862	}	3144	}
2863		3145
2864	#if EV_MULTIPLICITY	3146	#if EV_MULTIPLICITY
2865		3147
		3148	ecb_cold
2866	struct ev_loop * ecb_cold	3149	struct ev_loop *
2867	ev_loop_new (unsigned int flags) EV_THROW	3150	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2868	{	3151	{
2869	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3152	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2870		3153
2871	memset (EV_A, 0, sizeof (struct ev_loop));	3154	memset (EV_A, 0, sizeof (struct ev_loop));
2872	loop_init (EV_A_ flags);	3155	loop_init (EV_A_ flags);
…		…
2879	}	3162	}
2880		3163
2881	#endif /* multiplicity */	3164	#endif /* multiplicity */
2882		3165
2883	#if EV_VERIFY	3166	#if EV_VERIFY
2884	static void noinline ecb_cold	3167	noinline ecb_cold
		3168	static void
2885	verify_watcher (EV_P_ W w)	3169	verify_watcher (EV_P_ W w)
2886	{	3170	{
2887	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));
2888		3172
2889	if (w->pending)	3173	if (w->pending)
2890	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));
2891	}	3175	}
2892		3176
2893	static void noinline ecb_cold	3177	noinline ecb_cold
		3178	static void
2894	verify_heap (EV_P_ ANHE *heap, int N)	3179	verify_heap (EV_P_ ANHE *heap, int N)
2895	{	3180	{
2896	int i;	3181	int i;
2897		3182
2898	for (i = HEAP0; i < N + HEAP0; ++i)	3183	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2903		3188
2904	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3189	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2905	}	3190	}
2906	}	3191	}
2907		3192
2908	static void noinline ecb_cold	3193	noinline ecb_cold
		3194	static void
2909	array_verify (EV_P_ W *ws, int cnt)	3195	array_verify (EV_P_ W *ws, int cnt)
2910	{	3196	{
2911	while (cnt--)	3197	while (cnt--)
2912	{	3198	{
2913	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3199	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2916	}	3202	}
2917	#endif	3203	#endif
2918		3204
2919	#if EV_FEATURE_API	3205	#if EV_FEATURE_API
2920	void ecb_cold	3206	void ecb_cold
2921	ev_verify (EV_P) EV_THROW	3207	ev_verify (EV_P) EV_NOEXCEPT
2922	{	3208	{
2923	#if EV_VERIFY	3209	#if EV_VERIFY
2924	int i;	3210	int i;
2925	WL w, w2;	3211	WL w, w2;
2926		3212
…		…
3002	#endif	3288	#endif
3003	}	3289	}
3004	#endif	3290	#endif
3005		3291
3006	#if EV_MULTIPLICITY	3292	#if EV_MULTIPLICITY
		3293	ecb_cold
3007	struct ev_loop * ecb_cold	3294	struct ev_loop *
3008	#else	3295	#else
3009	int	3296	int
3010	#endif	3297	#endif
3011	ev_default_loop (unsigned int flags) EV_THROW	3298	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3012	{	3299	{
3013	if (!ev_default_loop_ptr)	3300	if (!ev_default_loop_ptr)
3014	{	3301	{
3015	#if EV_MULTIPLICITY	3302	#if EV_MULTIPLICITY
3016	EV_P = ev_default_loop_ptr = &default_loop_struct;	3303	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3035		3322
3036	return ev_default_loop_ptr;	3323	return ev_default_loop_ptr;
3037	}	3324	}
3038		3325
3039	void	3326	void
3040	ev_loop_fork (EV_P) EV_THROW	3327	ev_loop_fork (EV_P) EV_NOEXCEPT
3041	{	3328	{
3042	postfork = 1;	3329	postfork = 1;
3043	}	3330	}
3044		3331
3045	/*****************************************************************************/	3332	/*****************************************************************************/
…		…
3049	{	3336	{
3050	EV_CB_INVOKE ((W)w, revents);	3337	EV_CB_INVOKE ((W)w, revents);
3051	}	3338	}
3052		3339
3053	unsigned int	3340	unsigned int
3054	ev_pending_count (EV_P) EV_THROW	3341	ev_pending_count (EV_P) EV_NOEXCEPT
3055	{	3342	{
3056	int pri;	3343	int pri;
3057	unsigned int count = 0;	3344	unsigned int count = 0;
3058		3345
3059	for (pri = NUMPRI; pri--; )	3346	for (pri = NUMPRI; pri--; )
3060	count += pendingcnt [pri];	3347	count += pendingcnt [pri];
3061		3348
3062	return count;	3349	return count;
3063	}	3350	}
3064		3351
3065	void noinline	3352	noinline
		3353	void
3066	ev_invoke_pending (EV_P)	3354	ev_invoke_pending (EV_P)
3067	{	3355	{
3068	pendingpri = NUMPRI;	3356	pendingpri = NUMPRI;
3069		3357
3070	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3358	do
3071	{	3359	{
3072	--pendingpri;	3360	--pendingpri;
3073		3361
		3362	/* pendingpri possibly gets modified in the inner loop */
3074	while (pendingcnt [pendingpri])	3363	while (pendingcnt [pendingpri])
3075	{	3364	{
3076	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3365	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3077		3366
3078	p->w->pending = 0;	3367	p->w->pending = 0;
3079	EV_CB_INVOKE (p->w, p->events);	3368	EV_CB_INVOKE (p->w, p->events);
3080	EV_FREQUENT_CHECK;	3369	EV_FREQUENT_CHECK;
3081	}	3370	}
3082	}	3371	}
		3372	while (pendingpri);
3083	}	3373	}
3084		3374
3085	#if EV_IDLE_ENABLE	3375	#if EV_IDLE_ENABLE
3086	/* make idle watchers pending. this handles the "call-idle */	3376	/* make idle watchers pending. this handles the "call-idle */
3087	/* only when higher priorities are idle" logic */	3377	/* only when higher priorities are idle" logic */
…		…
3145	}	3435	}
3146	}	3436	}
3147		3437
3148	#if EV_PERIODIC_ENABLE	3438	#if EV_PERIODIC_ENABLE
3149		3439
3150	static void noinline	3440	noinline
		3441	static void
3151	periodic_recalc (EV_P_ ev_periodic *w)	3442	periodic_recalc (EV_P_ ev_periodic *w)
3152	{	3443	{
3153	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3444	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3154	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);
3155		3446
…		…
3213	}	3504	}
3214	}	3505	}
3215		3506
3216	/* simply recalculate all periodics */	3507	/* simply recalculate all periodics */
3217	/* 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? */
3218	static void noinline ecb_cold	3509	noinline ecb_cold
		3510	static void
3219	periodics_reschedule (EV_P)	3511	periodics_reschedule (EV_P)
3220	{	3512	{
3221	int i;	3513	int i;
3222		3514
3223	/* adjust periodics after time jump */	3515	/* adjust periodics after time jump */
…		…
3236	reheap (periodics, periodiccnt);	3528	reheap (periodics, periodiccnt);
3237	}	3529	}
3238	#endif	3530	#endif
3239		3531
3240	/* adjust all timers by a given offset */	3532	/* adjust all timers by a given offset */
3241	static void noinline ecb_cold	3533	noinline ecb_cold
		3534	static void
3242	timers_reschedule (EV_P_ ev_tstamp adjust)	3535	timers_reschedule (EV_P_ ev_tstamp adjust)
3243	{	3536	{
3244	int i;	3537	int i;
3245		3538
3246	for (i = 0; i < timercnt; ++i)	3539	for (i = 0; i < timercnt; ++i)
…		…
3493		3786
3494	return activecnt;	3787	return activecnt;
3495	}	3788	}
3496		3789
3497	void	3790	void
3498	ev_break (EV_P_ int how) EV_THROW	3791	ev_break (EV_P_ int how) EV_NOEXCEPT
3499	{	3792	{
3500	loop_done = how;	3793	loop_done = how;
3501	}	3794	}
3502		3795
3503	void	3796	void
3504	ev_ref (EV_P) EV_THROW	3797	ev_ref (EV_P) EV_NOEXCEPT
3505	{	3798	{
3506	++activecnt;	3799	++activecnt;
3507	}	3800	}
3508		3801
3509	void	3802	void
3510	ev_unref (EV_P) EV_THROW	3803	ev_unref (EV_P) EV_NOEXCEPT
3511	{	3804	{
3512	--activecnt;	3805	--activecnt;
3513	}	3806	}
3514		3807
3515	void	3808	void
3516	ev_now_update (EV_P) EV_THROW	3809	ev_now_update (EV_P) EV_NOEXCEPT
3517	{	3810	{
3518	time_update (EV_A_ 1e100);	3811	time_update (EV_A_ 1e100);
3519	}	3812	}
3520		3813
3521	void	3814	void
3522	ev_suspend (EV_P) EV_THROW	3815	ev_suspend (EV_P) EV_NOEXCEPT
3523	{	3816	{
3524	ev_now_update (EV_A);	3817	ev_now_update (EV_A);
3525	}	3818	}
3526		3819
3527	void	3820	void
3528	ev_resume (EV_P) EV_THROW	3821	ev_resume (EV_P) EV_NOEXCEPT
3529	{	3822	{
3530	ev_tstamp mn_prev = mn_now;	3823	ev_tstamp mn_prev = mn_now;
3531		3824
3532	ev_now_update (EV_A);	3825	ev_now_update (EV_A);
3533	timers_reschedule (EV_A_ mn_now - mn_prev);	3826	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3572	w->pending = 0;	3865	w->pending = 0;
3573	}	3866	}
3574	}	3867	}
3575		3868
3576	int	3869	int
3577	ev_clear_pending (EV_P_ void *w) EV_THROW	3870	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3578	{	3871	{
3579	W w_ = (W)w;	3872	W w_ = (W)w;
3580	int pending = w_->pending;	3873	int pending = w_->pending;
3581		3874
3582	if (expect_true (pending))	3875	if (expect_true (pending))
…		…
3614	w->active = 0;	3907	w->active = 0;
3615	}	3908	}
3616		3909
3617	/*****************************************************************************/	3910	/*****************************************************************************/
3618		3911
3619	void noinline	3912	noinline
		3913	void
3620	ev_io_start (EV_P_ ev_io *w) EV_THROW	3914	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3621	{	3915	{
3622	int fd = w->fd;	3916	int fd = w->fd;
3623		3917
3624	if (expect_false (ev_is_active (w)))	3918	if (expect_false (ev_is_active (w)))
3625	return;	3919	return;
…		…
3628	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))));
3629		3923
3630	EV_FREQUENT_CHECK;	3924	EV_FREQUENT_CHECK;
3631		3925
3632	ev_start (EV_A_ (W)w, 1);	3926	ev_start (EV_A_ (W)w, 1);
3633	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3927	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3634	wlist_add (&anfds[fd].head, (WL)w);	3928	wlist_add (&anfds[fd].head, (WL)w);
3635		3929
3636	/* common bug, apparently */	3930	/* common bug, apparently */
3637	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));
3638		3932
…		…
3640	w->events &= ~EV__IOFDSET;	3934	w->events &= ~EV__IOFDSET;
3641		3935
3642	EV_FREQUENT_CHECK;	3936	EV_FREQUENT_CHECK;
3643	}	3937	}
3644		3938
3645	void noinline	3939	noinline
		3940	void
3646	ev_io_stop (EV_P_ ev_io *w) EV_THROW	3941	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3647	{	3942	{
3648	clear_pending (EV_A_ (W)w);	3943	clear_pending (EV_A_ (W)w);
3649	if (expect_false (!ev_is_active (w)))	3944	if (expect_false (!ev_is_active (w)))
3650	return;	3945	return;
3651		3946
…		…
3659	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	3954	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3660		3955
3661	EV_FREQUENT_CHECK;	3956	EV_FREQUENT_CHECK;
3662	}	3957	}
3663		3958
3664	void noinline	3959	noinline
		3960	void
3665	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	3961	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3666	{	3962	{
3667	if (expect_false (ev_is_active (w)))	3963	if (expect_false (ev_is_active (w)))
3668	return;	3964	return;
3669		3965
3670	ev_at (w) += mn_now;	3966	ev_at (w) += mn_now;
…		…
3673		3969
3674	EV_FREQUENT_CHECK;	3970	EV_FREQUENT_CHECK;
3675		3971
3676	++timercnt;	3972	++timercnt;
3677	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	3973	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3678	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	3974	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3679	ANHE_w (timers [ev_active (w)]) = (WT)w;	3975	ANHE_w (timers [ev_active (w)]) = (WT)w;
3680	ANHE_at_cache (timers [ev_active (w)]);	3976	ANHE_at_cache (timers [ev_active (w)]);
3681	upheap (timers, ev_active (w));	3977	upheap (timers, ev_active (w));
3682		3978
3683	EV_FREQUENT_CHECK;	3979	EV_FREQUENT_CHECK;
3684		3980
3685	/*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));*/
3686	}	3982	}
3687		3983
3688	void noinline	3984	noinline
		3985	void
3689	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	3986	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3690	{	3987	{
3691	clear_pending (EV_A_ (W)w);	3988	clear_pending (EV_A_ (W)w);
3692	if (expect_false (!ev_is_active (w)))	3989	if (expect_false (!ev_is_active (w)))
3693	return;	3990	return;
3694		3991
…		…
3713	ev_stop (EV_A_ (W)w);	4010	ev_stop (EV_A_ (W)w);
3714		4011
3715	EV_FREQUENT_CHECK;	4012	EV_FREQUENT_CHECK;
3716	}	4013	}
3717		4014
3718	void noinline	4015	noinline
		4016	void
3719	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4017	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3720	{	4018	{
3721	EV_FREQUENT_CHECK;	4019	EV_FREQUENT_CHECK;
3722		4020
3723	clear_pending (EV_A_ (W)w);	4021	clear_pending (EV_A_ (W)w);
3724		4022
…		…
3741		4039
3742	EV_FREQUENT_CHECK;	4040	EV_FREQUENT_CHECK;
3743	}	4041	}
3744		4042
3745	ev_tstamp	4043	ev_tstamp
3746	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4044	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3747	{	4045	{
3748	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4046	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3749	}	4047	}
3750		4048
3751	#if EV_PERIODIC_ENABLE	4049	#if EV_PERIODIC_ENABLE
3752	void noinline	4050	noinline
		4051	void
3753	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4052	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3754	{	4053	{
3755	if (expect_false (ev_is_active (w)))	4054	if (expect_false (ev_is_active (w)))
3756	return;	4055	return;
3757		4056
3758	if (w->reschedule_cb)	4057	if (w->reschedule_cb)
…		…
3767		4066
3768	EV_FREQUENT_CHECK;	4067	EV_FREQUENT_CHECK;
3769		4068
3770	++periodiccnt;	4069	++periodiccnt;
3771	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4070	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3772	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4071	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3773	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4072	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3774	ANHE_at_cache (periodics [ev_active (w)]);	4073	ANHE_at_cache (periodics [ev_active (w)]);
3775	upheap (periodics, ev_active (w));	4074	upheap (periodics, ev_active (w));
3776		4075
3777	EV_FREQUENT_CHECK;	4076	EV_FREQUENT_CHECK;
3778		4077
3779	/*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));*/
3780	}	4079	}
3781		4080
3782	void noinline	4081	noinline
		4082	void
3783	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4083	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3784	{	4084	{
3785	clear_pending (EV_A_ (W)w);	4085	clear_pending (EV_A_ (W)w);
3786	if (expect_false (!ev_is_active (w)))	4086	if (expect_false (!ev_is_active (w)))
3787	return;	4087	return;
3788		4088
…		…
3805	ev_stop (EV_A_ (W)w);	4105	ev_stop (EV_A_ (W)w);
3806		4106
3807	EV_FREQUENT_CHECK;	4107	EV_FREQUENT_CHECK;
3808	}	4108	}
3809		4109
3810	void noinline	4110	noinline
		4111	void
3811	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4112	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3812	{	4113	{
3813	/* TODO: use adjustheap and recalculation */	4114	/* TODO: use adjustheap and recalculation */
3814	ev_periodic_stop (EV_A_ w);	4115	ev_periodic_stop (EV_A_ w);
3815	ev_periodic_start (EV_A_ w);	4116	ev_periodic_start (EV_A_ w);
3816	}	4117	}
…		…
3820	# define SA_RESTART 0	4121	# define SA_RESTART 0
3821	#endif	4122	#endif
3822		4123
3823	#if EV_SIGNAL_ENABLE	4124	#if EV_SIGNAL_ENABLE
3824		4125
3825	void noinline	4126	noinline
		4127	void
3826	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4128	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3827	{	4129	{
3828	if (expect_false (ev_is_active (w)))	4130	if (expect_false (ev_is_active (w)))
3829	return;	4131	return;
3830		4132
3831	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));
…		…
3902	}	4204	}
3903		4205
3904	EV_FREQUENT_CHECK;	4206	EV_FREQUENT_CHECK;
3905	}	4207	}
3906		4208
3907	void noinline	4209	noinline
		4210	void
3908	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4211	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3909	{	4212	{
3910	clear_pending (EV_A_ (W)w);	4213	clear_pending (EV_A_ (W)w);
3911	if (expect_false (!ev_is_active (w)))	4214	if (expect_false (!ev_is_active (w)))
3912	return;	4215	return;
3913		4216
…		…
3944	#endif	4247	#endif
3945		4248
3946	#if EV_CHILD_ENABLE	4249	#if EV_CHILD_ENABLE
3947		4250
3948	void	4251	void
3949	ev_child_start (EV_P_ ev_child *w) EV_THROW	4252	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3950	{	4253	{
3951	#if EV_MULTIPLICITY	4254	#if EV_MULTIPLICITY
3952	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));
3953	#endif	4256	#endif
3954	if (expect_false (ev_is_active (w)))	4257	if (expect_false (ev_is_active (w)))
…		…
3961		4264
3962	EV_FREQUENT_CHECK;	4265	EV_FREQUENT_CHECK;
3963	}	4266	}
3964		4267
3965	void	4268	void
3966	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4269	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3967	{	4270	{
3968	clear_pending (EV_A_ (W)w);	4271	clear_pending (EV_A_ (W)w);
3969	if (expect_false (!ev_is_active (w)))	4272	if (expect_false (!ev_is_active (w)))
3970	return;	4273	return;
3971		4274
…		…
3988		4291
3989	#define DEF_STAT_INTERVAL 5.0074891	4292	#define DEF_STAT_INTERVAL 5.0074891
3990	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4293	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3991	#define MIN_STAT_INTERVAL 0.1074891	4294	#define MIN_STAT_INTERVAL 0.1074891
3992		4295
3993	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);
3994		4297
3995	#if EV_USE_INOTIFY	4298	#if EV_USE_INOTIFY
3996		4299
3997	/* 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 */
3998	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	4301	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3999		4302
4000	static void noinline	4303	noinline
		4304	static void
4001	infy_add (EV_P_ ev_stat *w)	4305	infy_add (EV_P_ ev_stat *w)
4002	{	4306	{
4003	w->wd = inotify_add_watch (fs_fd, w->path,	4307	w->wd = inotify_add_watch (fs_fd, w->path,
4004	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4308	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4005	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4309	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4069	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4373	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4070	ev_timer_again (EV_A_ &w->timer);	4374	ev_timer_again (EV_A_ &w->timer);
4071	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4375	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4072	}	4376	}
4073		4377
4074	static void noinline	4378	noinline
		4379	static void
4075	infy_del (EV_P_ ev_stat *w)	4380	infy_del (EV_P_ ev_stat *w)
4076	{	4381	{
4077	int slot;	4382	int slot;
4078	int wd = w->wd;	4383	int wd = w->wd;
4079		4384
…		…
4086		4391
4087	/* remove this watcher, if others are watching it, they will rearm */	4392	/* remove this watcher, if others are watching it, they will rearm */
4088	inotify_rm_watch (fs_fd, wd);	4393	inotify_rm_watch (fs_fd, wd);
4089	}	4394	}
4090		4395
4091	static void noinline	4396	noinline
		4397	static void
4092	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)
4093	{	4399	{
4094	if (slot < 0)	4400	if (slot < 0)
4095	/* overflow, need to check for all hash slots */	4401	/* overflow, need to check for all hash slots */
4096	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4402	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4132	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4438	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4133	ofs += sizeof (struct inotify_event) + ev->len;	4439	ofs += sizeof (struct inotify_event) + ev->len;
4134	}	4440	}
4135	}	4441	}
4136		4442
4137	inline_size void ecb_cold	4443	inline_size ecb_cold
		4444	void
4138	ev_check_2625 (EV_P)	4445	ev_check_2625 (EV_P)
4139	{	4446	{
4140	/* kernels < 2.6.25 are borked	4447	/* kernels < 2.6.25 are borked
4141	* 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
4142	*/	4449	*/
…		…
4232	#else	4539	#else
4233	# define EV_LSTAT(p,b) lstat (p, b)	4540	# define EV_LSTAT(p,b) lstat (p, b)
4234	#endif	4541	#endif
4235		4542
4236	void	4543	void
4237	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4544	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4238	{	4545	{
4239	if (lstat (w->path, &w->attr) < 0)	4546	if (lstat (w->path, &w->attr) < 0)
4240	w->attr.st_nlink = 0;	4547	w->attr.st_nlink = 0;
4241	else if (!w->attr.st_nlink)	4548	else if (!w->attr.st_nlink)
4242	w->attr.st_nlink = 1;	4549	w->attr.st_nlink = 1;
4243	}	4550	}
4244		4551
4245	static void noinline	4552	noinline
		4553	static void
4246	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4554	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4247	{	4555	{
4248	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4556	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4249		4557
4250	ev_statdata prev = w->attr;	4558	ev_statdata prev = w->attr;
…		…
4281	ev_feed_event (EV_A_ w, EV_STAT);	4589	ev_feed_event (EV_A_ w, EV_STAT);
4282	}	4590	}
4283	}	4591	}
4284		4592
4285	void	4593	void
4286	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4594	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4287	{	4595	{
4288	if (expect_false (ev_is_active (w)))	4596	if (expect_false (ev_is_active (w)))
4289	return;	4597	return;
4290		4598
4291	ev_stat_stat (EV_A_ w);	4599	ev_stat_stat (EV_A_ w);
…		…
4312		4620
4313	EV_FREQUENT_CHECK;	4621	EV_FREQUENT_CHECK;
4314	}	4622	}
4315		4623
4316	void	4624	void
4317	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4625	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4318	{	4626	{
4319	clear_pending (EV_A_ (W)w);	4627	clear_pending (EV_A_ (W)w);
4320	if (expect_false (!ev_is_active (w)))	4628	if (expect_false (!ev_is_active (w)))
4321	return;	4629	return;
4322		4630
…		…
4338	}	4646	}
4339	#endif	4647	#endif
4340		4648
4341	#if EV_IDLE_ENABLE	4649	#if EV_IDLE_ENABLE
4342	void	4650	void
4343	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4651	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4344	{	4652	{
4345	if (expect_false (ev_is_active (w)))	4653	if (expect_false (ev_is_active (w)))
4346	return;	4654	return;
4347		4655
4348	pri_adjust (EV_A_ (W)w);	4656	pri_adjust (EV_A_ (W)w);
…		…
4353	int active = ++idlecnt [ABSPRI (w)];	4661	int active = ++idlecnt [ABSPRI (w)];
4354		4662
4355	++idleall;	4663	++idleall;
4356	ev_start (EV_A_ (W)w, active);	4664	ev_start (EV_A_ (W)w, active);
4357		4665
4358	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);
4359	idles [ABSPRI (w)][active - 1] = w;	4667	idles [ABSPRI (w)][active - 1] = w;
4360	}	4668	}
4361		4669
4362	EV_FREQUENT_CHECK;	4670	EV_FREQUENT_CHECK;
4363	}	4671	}
4364		4672
4365	void	4673	void
4366	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4674	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4367	{	4675	{
4368	clear_pending (EV_A_ (W)w);	4676	clear_pending (EV_A_ (W)w);
4369	if (expect_false (!ev_is_active (w)))	4677	if (expect_false (!ev_is_active (w)))
4370	return;	4678	return;
4371		4679
…		…
4385	}	4693	}
4386	#endif	4694	#endif
4387		4695
4388	#if EV_PREPARE_ENABLE	4696	#if EV_PREPARE_ENABLE
4389	void	4697	void
4390	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4698	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4391	{	4699	{
4392	if (expect_false (ev_is_active (w)))	4700	if (expect_false (ev_is_active (w)))
4393	return;	4701	return;
4394		4702
4395	EV_FREQUENT_CHECK;	4703	EV_FREQUENT_CHECK;
4396		4704
4397	ev_start (EV_A_ (W)w, ++preparecnt);	4705	ev_start (EV_A_ (W)w, ++preparecnt);
4398	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4706	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4399	prepares [preparecnt - 1] = w;	4707	prepares [preparecnt - 1] = w;
4400		4708
4401	EV_FREQUENT_CHECK;	4709	EV_FREQUENT_CHECK;
4402	}	4710	}
4403		4711
4404	void	4712	void
4405	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4713	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4406	{	4714	{
4407	clear_pending (EV_A_ (W)w);	4715	clear_pending (EV_A_ (W)w);
4408	if (expect_false (!ev_is_active (w)))	4716	if (expect_false (!ev_is_active (w)))
4409	return;	4717	return;
4410		4718
…		…
4423	}	4731	}
4424	#endif	4732	#endif
4425		4733
4426	#if EV_CHECK_ENABLE	4734	#if EV_CHECK_ENABLE
4427	void	4735	void
4428	ev_check_start (EV_P_ ev_check *w) EV_THROW	4736	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4429	{	4737	{
4430	if (expect_false (ev_is_active (w)))	4738	if (expect_false (ev_is_active (w)))
4431	return;	4739	return;
4432		4740
4433	EV_FREQUENT_CHECK;	4741	EV_FREQUENT_CHECK;
4434		4742
4435	ev_start (EV_A_ (W)w, ++checkcnt);	4743	ev_start (EV_A_ (W)w, ++checkcnt);
4436	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4744	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4437	checks [checkcnt - 1] = w;	4745	checks [checkcnt - 1] = w;
4438		4746
4439	EV_FREQUENT_CHECK;	4747	EV_FREQUENT_CHECK;
4440	}	4748	}
4441		4749
4442	void	4750	void
4443	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4751	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4444	{	4752	{
4445	clear_pending (EV_A_ (W)w);	4753	clear_pending (EV_A_ (W)w);
4446	if (expect_false (!ev_is_active (w)))	4754	if (expect_false (!ev_is_active (w)))
4447	return;	4755	return;
4448		4756
…		…
4460	EV_FREQUENT_CHECK;	4768	EV_FREQUENT_CHECK;
4461	}	4769	}
4462	#endif	4770	#endif
4463		4771
4464	#if EV_EMBED_ENABLE	4772	#if EV_EMBED_ENABLE
4465	void noinline	4773	noinline
		4774	void
4466	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4775	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4467	{	4776	{
4468	ev_run (w->other, EVRUN_NOWAIT);	4777	ev_run (w->other, EVRUN_NOWAIT);
4469	}	4778	}
4470		4779
4471	static void	4780	static void
…		…
4519	ev_idle_stop (EV_A_ idle);	4828	ev_idle_stop (EV_A_ idle);
4520	}	4829	}
4521	#endif	4830	#endif
4522		4831
4523	void	4832	void
4524	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4833	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4525	{	4834	{
4526	if (expect_false (ev_is_active (w)))	4835	if (expect_false (ev_is_active (w)))
4527	return;	4836	return;
4528		4837
4529	{	4838	{
…		…
4550		4859
4551	EV_FREQUENT_CHECK;	4860	EV_FREQUENT_CHECK;
4552	}	4861	}
4553		4862
4554	void	4863	void
4555	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4864	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4556	{	4865	{
4557	clear_pending (EV_A_ (W)w);	4866	clear_pending (EV_A_ (W)w);
4558	if (expect_false (!ev_is_active (w)))	4867	if (expect_false (!ev_is_active (w)))
4559	return;	4868	return;
4560		4869
…		…
4570	}	4879	}
4571	#endif	4880	#endif
4572		4881
4573	#if EV_FORK_ENABLE	4882	#if EV_FORK_ENABLE
4574	void	4883	void
4575	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4884	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4576	{	4885	{
4577	if (expect_false (ev_is_active (w)))	4886	if (expect_false (ev_is_active (w)))
4578	return;	4887	return;
4579		4888
4580	EV_FREQUENT_CHECK;	4889	EV_FREQUENT_CHECK;
4581		4890
4582	ev_start (EV_A_ (W)w, ++forkcnt);	4891	ev_start (EV_A_ (W)w, ++forkcnt);
4583	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4892	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4584	forks [forkcnt - 1] = w;	4893	forks [forkcnt - 1] = w;
4585		4894
4586	EV_FREQUENT_CHECK;	4895	EV_FREQUENT_CHECK;
4587	}	4896	}
4588		4897
4589	void	4898	void
4590	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	4899	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4591	{	4900	{
4592	clear_pending (EV_A_ (W)w);	4901	clear_pending (EV_A_ (W)w);
4593	if (expect_false (!ev_is_active (w)))	4902	if (expect_false (!ev_is_active (w)))
4594	return;	4903	return;
4595		4904
…		…
4608	}	4917	}
4609	#endif	4918	#endif
4610		4919
4611	#if EV_CLEANUP_ENABLE	4920	#if EV_CLEANUP_ENABLE
4612	void	4921	void
4613	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	4922	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4614	{	4923	{
4615	if (expect_false (ev_is_active (w)))	4924	if (expect_false (ev_is_active (w)))
4616	return;	4925	return;
4617		4926
4618	EV_FREQUENT_CHECK;	4927	EV_FREQUENT_CHECK;
4619		4928
4620	ev_start (EV_A_ (W)w, ++cleanupcnt);	4929	ev_start (EV_A_ (W)w, ++cleanupcnt);
4621	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	4930	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4622	cleanups [cleanupcnt - 1] = w;	4931	cleanups [cleanupcnt - 1] = w;
4623		4932
4624	/* cleanup watchers should never keep a refcount on the loop */	4933	/* cleanup watchers should never keep a refcount on the loop */
4625	ev_unref (EV_A);	4934	ev_unref (EV_A);
4626	EV_FREQUENT_CHECK;	4935	EV_FREQUENT_CHECK;
4627	}	4936	}
4628		4937
4629	void	4938	void
4630	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	4939	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4631	{	4940	{
4632	clear_pending (EV_A_ (W)w);	4941	clear_pending (EV_A_ (W)w);
4633	if (expect_false (!ev_is_active (w)))	4942	if (expect_false (!ev_is_active (w)))
4634	return;	4943	return;
4635		4944
…		…
4649	}	4958	}
4650	#endif	4959	#endif
4651		4960
4652	#if EV_ASYNC_ENABLE	4961	#if EV_ASYNC_ENABLE
4653	void	4962	void
4654	ev_async_start (EV_P_ ev_async *w) EV_THROW	4963	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4655	{	4964	{
4656	if (expect_false (ev_is_active (w)))	4965	if (expect_false (ev_is_active (w)))
4657	return;	4966	return;
4658		4967
4659	w->sent = 0;	4968	w->sent = 0;
…		…
4661	evpipe_init (EV_A);	4970	evpipe_init (EV_A);
4662		4971
4663	EV_FREQUENT_CHECK;	4972	EV_FREQUENT_CHECK;
4664		4973
4665	ev_start (EV_A_ (W)w, ++asynccnt);	4974	ev_start (EV_A_ (W)w, ++asynccnt);
4666	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	4975	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4667	asyncs [asynccnt - 1] = w;	4976	asyncs [asynccnt - 1] = w;
4668		4977
4669	EV_FREQUENT_CHECK;	4978	EV_FREQUENT_CHECK;
4670	}	4979	}
4671		4980
4672	void	4981	void
4673	ev_async_stop (EV_P_ ev_async *w) EV_THROW	4982	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4674	{	4983	{
4675	clear_pending (EV_A_ (W)w);	4984	clear_pending (EV_A_ (W)w);
4676	if (expect_false (!ev_is_active (w)))	4985	if (expect_false (!ev_is_active (w)))
4677	return;	4986	return;
4678		4987
…		…
4689		4998
4690	EV_FREQUENT_CHECK;	4999	EV_FREQUENT_CHECK;
4691	}	5000	}
4692		5001
4693	void	5002	void
4694	ev_async_send (EV_P_ ev_async *w) EV_THROW	5003	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4695	{	5004	{
4696	w->sent = 1;	5005	w->sent = 1;
4697	evpipe_write (EV_A_ &async_pending);	5006	evpipe_write (EV_A_ &async_pending);
4698	}	5007	}
4699	#endif	5008	#endif
…		…
4736		5045
4737	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));
4738	}	5047	}
4739		5048
4740	void	5049	void
4741	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
4742	{	5051	{
4743	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));
4744
4745	if (expect_false (!once))
4746	{
4747	cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMER, arg);
4748	return;
4749	}
4750		5053
4751	once->cb = cb;	5054	once->cb = cb;
4752	once->arg = arg;	5055	once->arg = arg;
4753		5056
4754	ev_init (&once->io, once_cb_io);	5057	ev_init (&once->io, once_cb_io);
…		…
4767	}	5070	}
4768		5071
4769	/*****************************************************************************/	5072	/*****************************************************************************/
4770		5073
4771	#if EV_WALK_ENABLE	5074	#if EV_WALK_ENABLE
4772	void ecb_cold	5075	ecb_cold
		5076	void
4773	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
4774	{	5078	{
4775	int i, j;	5079	int i, j;
4776	ev_watcher_list *wl, *wn;	5080	ev_watcher_list *wl, *wn;
4777		5081
4778	if (types & (EV_IO | EV_EMBED))	5082	if (types & (EV_IO | EV_EMBED))

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