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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 1.501 by root, Mon Jul 1 21:47:42 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
		337	#ifndef EV_USE_IOURING
		338	# if __linux
		339	# define EV_USE_IOURING 0
		340	# else
		341	# define EV_USE_IOURING 0
		342	# endif
		343	#endif
		344
309	#ifndef EV_USE_INOTIFY	345	#ifndef EV_USE_INOTIFY
310	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))	346	# if __linux && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 4))
311	# define EV_USE_INOTIFY EV_FEATURE_OS	347	# define EV_USE_INOTIFY EV_FEATURE_OS
312	# else	348	# else
313	# define EV_USE_INOTIFY 0	349	# define EV_USE_INOTIFY 0
…		…
354		390
355	#ifndef EV_HEAP_CACHE_AT	391	#ifndef EV_HEAP_CACHE_AT
356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	392	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
357	#endif	393	#endif
358		394
359	#ifdef ANDROID	395	#ifdef __ANDROID__
360	/* supposedly, android doesn't typedef fd_mask */	396	/* supposedly, android doesn't typedef fd_mask */
361	# undef EV_USE_SELECT	397	# undef EV_USE_SELECT
362	# define EV_USE_SELECT 0	398	# define EV_USE_SELECT 0
363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */	399	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
364	# undef EV_USE_CLOCK_SYSCALL	400	# undef EV_USE_CLOCK_SYSCALL
…		…
378	# include <sys/syscall.h>	414	# include <sys/syscall.h>
379	# ifdef SYS_clock_gettime	415	# ifdef SYS_clock_gettime
380	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	416	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
381	# undef EV_USE_MONOTONIC	417	# undef EV_USE_MONOTONIC
382	# define EV_USE_MONOTONIC 1	418	# define EV_USE_MONOTONIC 1
		419	# define EV_NEED_SYSCALL 1
383	# else	420	# else
384	# undef EV_USE_CLOCK_SYSCALL	421	# undef EV_USE_CLOCK_SYSCALL
385	# define EV_USE_CLOCK_SYSCALL 0	422	# define EV_USE_CLOCK_SYSCALL 0
386	# endif	423	# endif
387	#endif	424	#endif
…		…
405		442
406	#if !EV_USE_NANOSLEEP	443	#if !EV_USE_NANOSLEEP
407	/* hp-ux has it in sys/time.h, which we unconditionally include above */	444	/* hp-ux has it in sys/time.h, which we unconditionally include above */
408	# if !defined _WIN32 && !defined __hpux	445	# if !defined _WIN32 && !defined __hpux
409	# include <sys/select.h>	446	# include <sys/select.h>
		447	# endif
		448	#endif
		449
		450	#if EV_USE_LINUXAIO
		451	# include <sys/syscall.h>
		452	# if !SYS_io_getevents || !EV_USE_EPOLL /* ev_linxaio uses ev_poll.c:ev_epoll_create */
		453	# undef EV_USE_LINUXAIO
		454	# define EV_USE_LINUXAIO 0
		455	# else
		456	# define EV_NEED_SYSCALL 1
		457	# endif
		458	#endif
		459
		460	#if EV_USE_IOURING
		461	# include <sys/syscall.h>
		462	# if !__alpha && !SYS_io_uring_setup
		463	# define SYS_io_uring_setup 425
		464	# define SYS_io_uring_enter 426
		465	# define SYS_io_uring_wregister 427
		466	# endif
		467	# if SYS_io_uring_setup
		468	# define EV_NEED_SYSCALL 1
		469	# else
		470	# undef EV_USE_IOURING
		471	# define EV_USE_IOURING 0
410	# endif	472	# endif
411	#endif	473	#endif
412		474
413	#if EV_USE_INOTIFY	475	#if EV_USE_INOTIFY
414	# include <sys/statfs.h>	476	# include <sys/statfs.h>
…		…
456	uint32_t ssi_signo;	518	uint32_t ssi_signo;
457	char pad[128 - sizeof (uint32_t)];	519	char pad[128 - sizeof (uint32_t)];
458	};	520	};
459	#endif	521	#endif
460		522
461	/**/	523	/*****************************************************************************/
		524
		525	#if EV_NEED_SYSCALL
		526
		527	#include <sys/syscall.h>
		528
		529	/*
		530	* define some syscall wrappers for common architectures
		531	* this is mostly for nice looks during debugging, not performance.
		532	* our syscalls return < 0, not == -1, on error. which is good
		533	* enough for linux aio.
		534	* TODO: arm is also common nowadays, maybe even mips and x86
		535	* TODO: after implementing this, it suddenly looks like overkill, but its hard to remove...
		536	*/
		537	#if __GNUC__ && __linux && ECB_AMD64 && !defined __OPTIMIZE_SIZE__
		538	/* the costly errno access probably kills this for size optimisation */
		539
		540	#define ev_syscall(nr,narg,arg1,arg2,arg3,arg4,arg5) \
		541	({ \
		542	long res; \
		543	register unsigned long r5 __asm__ ("r8" ); \
		544	register unsigned long r4 __asm__ ("r10"); \
		545	register unsigned long r3 __asm__ ("rdx"); \
		546	register unsigned long r2 __asm__ ("rsi"); \
		547	register unsigned long r1 __asm__ ("rdi"); \
		548	if (narg >= 5) r5 = (unsigned long)(arg5); \
		549	if (narg >= 4) r4 = (unsigned long)(arg4); \
		550	if (narg >= 3) r3 = (unsigned long)(arg3); \
		551	if (narg >= 2) r2 = (unsigned long)(arg2); \
		552	if (narg >= 1) r1 = (unsigned long)(arg1); \
		553	__asm__ __volatile__ ( \
		554	"syscall\n\t" \
		555	: "=a" (res) \
		556	: "0" (nr), "r" (r1), "r" (r2), "r" (r3), "r" (r4), "r" (r5) \
		557	: "cc", "r11", "cx", "memory"); \
		558	errno = -res; \
		559	res; \
		560	})
		561
		562	#endif
		563
		564	#ifdef ev_syscall
		565	#define ev_syscall0(nr) ev_syscall (nr, 0, 0, 0, 0, 0, 0
		566	#define ev_syscall1(nr,arg1) ev_syscall (nr, 1, arg1, 0, 0, 0, 0)
		567	#define ev_syscall2(nr,arg1,arg2) ev_syscall (nr, 2, arg1, arg2, 0, 0, 0)
		568	#define ev_syscall3(nr,arg1,arg2,arg3) ev_syscall (nr, 3, arg1, arg2, arg3, 0, 0)
		569	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) ev_syscall (nr, 3, arg1, arg2, arg3, arg4, 0)
		570	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) ev_syscall (nr, 5, arg1, arg2, arg3, arg4, arg5)
		571	#else
		572	#define ev_syscall0(nr) syscall (nr)
		573	#define ev_syscall1(nr,arg1) syscall (nr, arg1)
		574	#define ev_syscall2(nr,arg1,arg2) syscall (nr, arg1, arg2)
		575	#define ev_syscall3(nr,arg1,arg2,arg3) syscall (nr, arg1, arg2, arg3)
		576	#define ev_syscall4(nr,arg1,arg2,arg3,arg4) syscall (nr, arg1, arg2, arg3, arg4)
		577	#define ev_syscall5(nr,arg1,arg2,arg3,arg4,arg5) syscall (nr, arg1, arg2, arg3, arg4, arg5)
		578	#endif
		579
		580	#endif
		581
		582	/*****************************************************************************/
462		583
463	#if EV_VERIFY >= 3	584	#if EV_VERIFY >= 3
464	# define EV_FREQUENT_CHECK ev_verify (EV_A)	585	# define EV_FREQUENT_CHECK ev_verify (EV_A)
465	#else	586	#else
466	# define EV_FREQUENT_CHECK do { } while (0)	587	# define EV_FREQUENT_CHECK do { } while (0)
…		…
482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	603	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
483	/* ECB.H BEGIN */	604	/* ECB.H BEGIN */
484	/*	605	/*
485	* libecb - http://software.schmorp.de/pkg/libecb	606	* libecb - http://software.schmorp.de/pkg/libecb
486	*	607	*
487	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>	608	* Copyright (©) 2009-2015 Marc Alexander Lehmann <libecb@schmorp.de>
488	* Copyright (©) 2011 Emanuele Giaquinta	609	* Copyright (©) 2011 Emanuele Giaquinta
489	* All rights reserved.	610	* All rights reserved.
490	*	611	*
491	* Redistribution and use in source and binary forms, with or without modifica-	612	* Redistribution and use in source and binary forms, with or without modifica-
492	* tion, are permitted provided that the following conditions are met:	613	* tion, are permitted provided that the following conditions are met:
…		…
523		644
524	#ifndef ECB_H	645	#ifndef ECB_H
525	#define ECB_H	646	#define ECB_H
526		647
527	/* 16 bits major, 16 bits minor */	648	/* 16 bits major, 16 bits minor */
528	#define ECB_VERSION 0x00010003	649	#define ECB_VERSION 0x00010006
529		650
530	#ifdef _WIN32	651	#ifdef _WIN32
531	typedef signed char int8_t;	652	typedef signed char int8_t;
532	typedef unsigned char uint8_t;	653	typedef unsigned char uint8_t;
533	typedef signed short int16_t;	654	typedef signed short int16_t;
…		…
550	typedef uint32_t uintptr_t;	671	typedef uint32_t uintptr_t;
551	typedef int32_t intptr_t;	672	typedef int32_t intptr_t;
552	#endif	673	#endif
553	#else	674	#else
554	#include <inttypes.h>	675	#include <inttypes.h>
555	#if UINTMAX_MAX > 0xffffffffU	676	#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
556	#define ECB_PTRSIZE 8	677	#define ECB_PTRSIZE 8
557	#else	678	#else
558	#define ECB_PTRSIZE 4	679	#define ECB_PTRSIZE 4
559	#endif	680	#endif
560	#endif	681	#endif
561		682
		683	#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
		684	#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
		685
562	/* work around x32 idiocy by defining proper macros */	686	/* work around x32 idiocy by defining proper macros */
563	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64	687	#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
564	#if _ILP32	688	#if _ILP32
565	#define ECB_AMD64_X32 1	689	#define ECB_AMD64_X32 1
566	#else	690	#else
567	#define ECB_AMD64 1	691	#define ECB_AMD64 1
568	#endif	692	#endif
…		…
573	* causing enormous grief in return for some better fake benchmark numbers.	697	* causing enormous grief in return for some better fake benchmark numbers.
574	* or so.	698	* or so.
575	* we try to detect these and simply assume they are not gcc - if they have	699	* 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.	700	* an issue with that they should have done it right in the first place.
577	*/	701	*/
578	#ifndef ECB_GCC_VERSION
579	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__	702	#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	703	#define ECB_GCC_VERSION(major,minor) 0
581	#else	704	#else
582	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	705	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
583	#endif	706	#endif
		707
		708	#define ECB_CLANG_VERSION(major,minor) (__clang_major__ > (major) || (__clang_major__ == (major) && __clang_minor__ >= (minor)))
		709
		710	#if __clang__ && defined __has_builtin
		711	#define ECB_CLANG_BUILTIN(x) __has_builtin (x)
		712	#else
		713	#define ECB_CLANG_BUILTIN(x) 0
		714	#endif
		715
		716	#if __clang__ && defined __has_extension
		717	#define ECB_CLANG_EXTENSION(x) __has_extension (x)
		718	#else
		719	#define ECB_CLANG_EXTENSION(x) 0
584	#endif	720	#endif
585		721
586	#define ECB_CPP (__cplusplus+0)	722	#define ECB_CPP (__cplusplus+0)
587	#define ECB_CPP11 (__cplusplus >= 201103L)	723	#define ECB_CPP11 (__cplusplus >= 201103L)
		724	#define ECB_CPP14 (__cplusplus >= 201402L)
		725	#define ECB_CPP17 (__cplusplus >= 201703L)
588		726
589	#if ECB_CPP	727	#if ECB_CPP
590	#define ECB_C 0	728	#define ECB_C 0
591	#define ECB_STDC_VERSION 0	729	#define ECB_STDC_VERSION 0
592	#else	730	#else
…		…
594	#define ECB_STDC_VERSION __STDC_VERSION__	732	#define ECB_STDC_VERSION __STDC_VERSION__
595	#endif	733	#endif
596		734
597	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)	735	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
598	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)	736	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		737	#define ECB_C17 (ECB_STDC_VERSION >= 201710L)
599		738
600	#if ECB_CPP	739	#if ECB_CPP
601	#define ECB_EXTERN_C extern "C"	740	#define ECB_EXTERN_C extern "C"
602	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {	741	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
603	#define ECB_EXTERN_C_END }	742	#define ECB_EXTERN_C_END }
…		…
618		757
619	#if ECB_NO_SMP	758	#if ECB_NO_SMP
620	#define ECB_MEMORY_FENCE do { } while (0)	759	#define ECB_MEMORY_FENCE do { } while (0)
621	#endif	760	#endif
622		761
		762	/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
		763	#if __xlC__ && ECB_CPP
		764	#include <builtins.h>
		765	#endif
		766
		767	#if 1400 <= _MSC_VER
		768	#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
		769	#endif
		770
623	#ifndef ECB_MEMORY_FENCE	771	#ifndef ECB_MEMORY_FENCE
624	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	772	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		773	#define ECB_MEMORY_FENCE_RELAXED __asm__ __volatile__ ("" : : : "memory")
625	#if __i386 || __i386__	774	#if __i386 || __i386__
626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	775	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	776	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	777	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
629	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	778	#elif ECB_GCC_AMD64
630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	779	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
631	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")	780	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
632	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")	781	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("" : : : "memory")
633	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	782	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
634	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	783	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		784	#elif defined __ARM_ARCH_2__ \
		785	|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
		786	|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
		787	|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
		788	|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
		789	|| defined __ARM_ARCH_5TEJ__
		790	/* 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__ \	791	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
636	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	792	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
		793	|| defined __ARM_ARCH_6T2__
637	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	794	#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__ \	795	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
639	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	796	|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
640	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	797	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
641	#elif __aarch64__	798	#elif __aarch64__
642	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")	799	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
643	#elif (__sparc || __sparc__) && !__sparcv8	800	#elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
644	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")	801	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
645	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	802	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
646	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	803	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
647	#elif defined __s390__ || defined __s390x__	804	#elif defined __s390__ || defined __s390x__
648	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	805	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
…		…
671	#if ECB_GCC_VERSION(4,7)	828	#if ECB_GCC_VERSION(4,7)
672	/* see comment below (stdatomic.h) about the C11 memory model. */	829	/* see comment below (stdatomic.h) about the C11 memory model. */
673	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)	830	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
674	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)	831	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
675	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)	832	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		833	#define ECB_MEMORY_FENCE_RELAXED __atomic_thread_fence (__ATOMIC_RELAXED)
676		834
677	/* The __has_feature syntax from clang is so misdesigned that we cannot use it	835	#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.	836	/* see comment below (stdatomic.h) about the C11 memory model. */
683	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)	837	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
684	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)	838	#define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
685	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)	839	#define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
686	*/	840	#define ECB_MEMORY_FENCE_RELAXED __c11_atomic_thread_fence (__ATOMIC_RELAXED)
687		841
688	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	842	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
689	#define ECB_MEMORY_FENCE __sync_synchronize ()	843	#define ECB_MEMORY_FENCE __sync_synchronize ()
690	#elif _MSC_VER >= 1500 /* VC++ 2008 */	844	#elif _MSC_VER >= 1500 /* VC++ 2008 */
691	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */	845	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
…		…
701	#elif defined _WIN32	855	#elif defined _WIN32
702	#include <WinNT.h>	856	#include <WinNT.h>
703	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	857	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
704	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	858	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
705	#include <mbarrier.h>	859	#include <mbarrier.h>
706	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	860	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
707	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	861	#define ECB_MEMORY_FENCE_ACQUIRE __machine_acq_barrier ()
708	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	862	#define ECB_MEMORY_FENCE_RELEASE __machine_rel_barrier ()
		863	#define ECB_MEMORY_FENCE_RELAXED __compiler_barrier ()
709	#elif __xlC__	864	#elif __xlC__
710	#define ECB_MEMORY_FENCE __sync ()	865	#define ECB_MEMORY_FENCE __sync ()
711	#endif	866	#endif
712	#endif	867	#endif
713		868
714	#ifndef ECB_MEMORY_FENCE	869	#ifndef ECB_MEMORY_FENCE
715	#if ECB_C11 && !defined __STDC_NO_ATOMICS__	870	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
716	/* we assume that these memory fences work on all variables/all memory accesses, */	871	/* we assume that these memory fences work on all variables/all memory accesses, */
717	/* not just C11 atomics and atomic accesses */	872	/* not just C11 atomics and atomic accesses */
718	#include <stdatomic.h>	873	#include <stdatomic.h>
719	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
720	/* any fence other than seq_cst, which isn't very efficient for us. */
721	/* Why that is, we don't know - either the C11 memory model is quite useless */
722	/* for most usages, or gcc and clang have a bug */
723	/* I *currently* lean towards the latter, and inefficiently implement */
724	/* all three of ecb's fences as a seq_cst fence */
725	/* Update, gcc-4.8 generates mfence for all c++ fences, but nothing */
726	/* for all __atomic_thread_fence's except seq_cst */
727	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)	874	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		875	#define ECB_MEMORY_FENCE_ACQUIRE atomic_thread_fence (memory_order_acquire)
		876	#define ECB_MEMORY_FENCE_RELEASE atomic_thread_fence (memory_order_release)
728	#endif	877	#endif
729	#endif	878	#endif
730		879
731	#ifndef ECB_MEMORY_FENCE	880	#ifndef ECB_MEMORY_FENCE
732	#if !ECB_AVOID_PTHREADS	881	#if !ECB_AVOID_PTHREADS
…		…
752		901
753	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE	902	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
754	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	903	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
755	#endif	904	#endif
756		905
		906	#if !defined ECB_MEMORY_FENCE_RELAXED && defined ECB_MEMORY_FENCE
		907	#define ECB_MEMORY_FENCE_RELAXED ECB_MEMORY_FENCE /* very heavy-handed */
		908	#endif
		909
757	/*****************************************************************************/	910	/*****************************************************************************/
758		911
759	#if __cplusplus	912	#if ECB_CPP
760	#define ecb_inline static inline	913	#define ecb_inline static inline
761	#elif ECB_GCC_VERSION(2,5)	914	#elif ECB_GCC_VERSION(2,5)
762	#define ecb_inline static __inline__	915	#define ecb_inline static __inline__
763	#elif ECB_C99	916	#elif ECB_C99
764	#define ecb_inline static inline	917	#define ecb_inline static inline
…		…
778		931
779	#define ECB_CONCAT_(a, b) a ## b	932	#define ECB_CONCAT_(a, b) a ## b
780	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)	933	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
781	#define ECB_STRINGIFY_(a) # a	934	#define ECB_STRINGIFY_(a) # a
782	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)	935	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		936	#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
783		937
784	#define ecb_function_ ecb_inline	938	#define ecb_function_ ecb_inline
785		939
786	#if ECB_GCC_VERSION(3,1)	940	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
787	#define ecb_attribute(attrlist) __attribute__(attrlist)	941	#define ecb_attribute(attrlist) __attribute__ (attrlist)
		942	#else
		943	#define ecb_attribute(attrlist)
		944	#endif
		945
		946	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_constant_p)
788	#define ecb_is_constant(expr) __builtin_constant_p (expr)	947	#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	948	#else
792	#define ecb_attribute(attrlist)
793
794	/* possible C11 impl for integral types	949	/* possible C11 impl for integral types
795	typedef struct ecb_is_constant_struct ecb_is_constant_struct;	950	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)) */	951	#define ecb_is_constant(expr) _Generic ((1 ? (struct ecb_is_constant_struct *)0 : (void *)((expr) - (expr)), ecb_is_constant_struct *: 0, default: 1)) */
797		952
798	#define ecb_is_constant(expr) 0	953	#define ecb_is_constant(expr) 0
		954	#endif
		955
		956	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_expect)
		957	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		958	#else
799	#define ecb_expect(expr,value) (expr)	959	#define ecb_expect(expr,value) (expr)
		960	#endif
		961
		962	#if ECB_GCC_VERSION(3,1) || ECB_CLANG_BUILTIN(__builtin_prefetch)
		963	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		964	#else
800	#define ecb_prefetch(addr,rw,locality)	965	#define ecb_prefetch(addr,rw,locality)
801	#endif	966	#endif
802		967
803	/* no emulation for ecb_decltype */	968	/* no emulation for ecb_decltype */
804	#if ECB_GCC_VERSION(4,5)	969	#if ECB_CPP11
		970	// older implementations might have problems with decltype(x)::type, work around it
		971	template<class T> struct ecb_decltype_t { typedef T type; };
805	#define ecb_decltype(x) __decltype(x)	972	#define ecb_decltype(x) ecb_decltype_t<decltype (x)>::type
806	#elif ECB_GCC_VERSION(3,0)	973	#elif ECB_GCC_VERSION(3,0) || ECB_CLANG_VERSION(2,8)
807	#define ecb_decltype(x) __typeof(x)	974	#define ecb_decltype(x) __typeof__ (x)
808	#endif	975	#endif
809		976
810	#if _MSC_VER >= 1300	977	#if _MSC_VER >= 1300
811	#define ecb_deprecated __declspec(deprecated)	978	#define ecb_deprecated __declspec (deprecated)
812	#else	979	#else
813	#define ecb_deprecated ecb_attribute ((__deprecated__))	980	#define ecb_deprecated ecb_attribute ((__deprecated__))
814	#endif	981	#endif
815		982
		983	#if _MSC_VER >= 1500
		984	#define ecb_deprecated_message(msg) __declspec (deprecated (msg))
		985	#elif ECB_GCC_VERSION(4,5)
		986	#define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
		987	#else
		988	#define ecb_deprecated_message(msg) ecb_deprecated
		989	#endif
		990
		991	#if _MSC_VER >= 1400
		992	#define ecb_noinline __declspec (noinline)
		993	#else
816	#define ecb_noinline ecb_attribute ((__noinline__))	994	#define ecb_noinline ecb_attribute ((__noinline__))
		995	#endif
		996
817	#define ecb_unused ecb_attribute ((__unused__))	997	#define ecb_unused ecb_attribute ((__unused__))
818	#define ecb_const ecb_attribute ((__const__))	998	#define ecb_const ecb_attribute ((__const__))
819	#define ecb_pure ecb_attribute ((__pure__))	999	#define ecb_pure ecb_attribute ((__pure__))
820		1000
821	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */	1001	#if ECB_C11 || __IBMC_NORETURN
822	#if ECB_C11	1002	/* 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	1003	#define ecb_noreturn _Noreturn
		1004	#elif ECB_CPP11
		1005	#define ecb_noreturn [[noreturn]]
		1006	#elif _MSC_VER >= 1200
		1007	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
		1008	#define ecb_noreturn __declspec (noreturn)
824	#else	1009	#else
825	#define ecb_noreturn ecb_attribute ((__noreturn__))	1010	#define ecb_noreturn ecb_attribute ((__noreturn__))
826	#endif	1011	#endif
827		1012
828	#if ECB_GCC_VERSION(4,3)	1013	#if ECB_GCC_VERSION(4,3)
…		…
843	/* for compatibility to the rest of the world */	1028	/* for compatibility to the rest of the world */
844	#define ecb_likely(expr) ecb_expect_true (expr)	1029	#define ecb_likely(expr) ecb_expect_true (expr)
845	#define ecb_unlikely(expr) ecb_expect_false (expr)	1030	#define ecb_unlikely(expr) ecb_expect_false (expr)
846		1031
847	/* count trailing zero bits and count # of one bits */	1032	/* count trailing zero bits and count # of one bits */
848	#if ECB_GCC_VERSION(3,4)	1033	#if ECB_GCC_VERSION(3,4) \
		1034	|| (ECB_CLANG_BUILTIN(__builtin_clz) && ECB_CLANG_BUILTIN(__builtin_clzll) \
		1035	&& ECB_CLANG_BUILTIN(__builtin_ctz) && ECB_CLANG_BUILTIN(__builtin_ctzll) \
		1036	&& ECB_CLANG_BUILTIN(__builtin_popcount))
849	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */	1037	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
850	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)	1038	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
851	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)	1039	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
852	#define ecb_ctz32(x) __builtin_ctz (x)	1040	#define ecb_ctz32(x) __builtin_ctz (x)
853	#define ecb_ctz64(x) __builtin_ctzll (x)	1041	#define ecb_ctz64(x) __builtin_ctzll (x)
854	#define ecb_popcount32(x) __builtin_popcount (x)	1042	#define ecb_popcount32(x) __builtin_popcount (x)
855	/* no popcountll */	1043	/* no popcountll */
856	#else	1044	#else
857	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;	1045	ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
858	ecb_function_ int	1046	ecb_function_ ecb_const int
859	ecb_ctz32 (uint32_t x)	1047	ecb_ctz32 (uint32_t x)
860	{	1048	{
		1049	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1050	unsigned long r;
		1051	_BitScanForward (&r, x);
		1052	return (int)r;
		1053	#else
861	int r = 0;	1054	int r = 0;
862		1055
863	x &= ~x + 1; /* this isolates the lowest bit */	1056	x &= ~x + 1; /* this isolates the lowest bit */
864		1057
865	#if ECB_branchless_on_i386	1058	#if ECB_branchless_on_i386
…		…
875	if (x & 0xff00ff00) r += 8;	1068	if (x & 0xff00ff00) r += 8;
876	if (x & 0xffff0000) r += 16;	1069	if (x & 0xffff0000) r += 16;
877	#endif	1070	#endif
878		1071
879	return r;	1072	return r;
		1073	#endif
880	}	1074	}
881		1075
882	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;	1076	ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
883	ecb_function_ int	1077	ecb_function_ ecb_const int
884	ecb_ctz64 (uint64_t x)	1078	ecb_ctz64 (uint64_t x)
885	{	1079	{
		1080	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1081	unsigned long r;
		1082	_BitScanForward64 (&r, x);
		1083	return (int)r;
		1084	#else
886	int shift = x & 0xffffffffU ? 0 : 32;	1085	int shift = x & 0xffffffff ? 0 : 32;
887	return ecb_ctz32 (x >> shift) + shift;	1086	return ecb_ctz32 (x >> shift) + shift;
		1087	#endif
888	}	1088	}
889		1089
890	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;	1090	ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
891	ecb_function_ int	1091	ecb_function_ ecb_const int
892	ecb_popcount32 (uint32_t x)	1092	ecb_popcount32 (uint32_t x)
893	{	1093	{
894	x -= (x >> 1) & 0x55555555;	1094	x -= (x >> 1) & 0x55555555;
895	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);	1095	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
896	x = ((x >> 4) + x) & 0x0f0f0f0f;	1096	x = ((x >> 4) + x) & 0x0f0f0f0f;
897	x *= 0x01010101;	1097	x *= 0x01010101;
898		1098
899	return x >> 24;	1099	return x >> 24;
900	}	1100	}
901		1101
902	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;	1102	ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
903	ecb_function_ int ecb_ld32 (uint32_t x)	1103	ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
904	{	1104	{
		1105	#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
		1106	unsigned long r;
		1107	_BitScanReverse (&r, x);
		1108	return (int)r;
		1109	#else
905	int r = 0;	1110	int r = 0;
906		1111
907	if (x >> 16) { x >>= 16; r += 16; }	1112	if (x >> 16) { x >>= 16; r += 16; }
908	if (x >> 8) { x >>= 8; r += 8; }	1113	if (x >> 8) { x >>= 8; r += 8; }
909	if (x >> 4) { x >>= 4; r += 4; }	1114	if (x >> 4) { x >>= 4; r += 4; }
910	if (x >> 2) { x >>= 2; r += 2; }	1115	if (x >> 2) { x >>= 2; r += 2; }
911	if (x >> 1) { r += 1; }	1116	if (x >> 1) { r += 1; }
912		1117
913	return r;	1118	return r;
		1119	#endif
914	}	1120	}
915		1121
916	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;	1122	ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
917	ecb_function_ int ecb_ld64 (uint64_t x)	1123	ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
918	{	1124	{
		1125	#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
		1126	unsigned long r;
		1127	_BitScanReverse64 (&r, x);
		1128	return (int)r;
		1129	#else
919	int r = 0;	1130	int r = 0;
920		1131
921	if (x >> 32) { x >>= 32; r += 32; }	1132	if (x >> 32) { x >>= 32; r += 32; }
922		1133
923	return r + ecb_ld32 (x);	1134	return r + ecb_ld32 (x);
		1135	#endif
924	}	1136	}
925	#endif	1137	#endif
926		1138
927	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;	1139	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)); }	1140	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;	1141	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)); }	1142	ecb_function_ ecb_const ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
931		1143
932	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	1144	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x);
933	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	1145	ecb_function_ ecb_const uint8_t ecb_bitrev8 (uint8_t x)
934	{	1146	{
935	return ( (x * 0x0802U & 0x22110U)	1147	return ( (x * 0x0802U & 0x22110U)
936	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	1148	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
937	}	1149	}
938		1150
939	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;	1151	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x);
940	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)	1152	ecb_function_ ecb_const uint16_t ecb_bitrev16 (uint16_t x)
941	{	1153	{
942	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);	1154	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
943	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);	1155	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
944	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);	1156	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
945	x = ( x >> 8 ) | ( x << 8);	1157	x = ( x >> 8 ) | ( x << 8);
946		1158
947	return x;	1159	return x;
948	}	1160	}
949		1161
950	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;	1162	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x);
951	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)	1163	ecb_function_ ecb_const uint32_t ecb_bitrev32 (uint32_t x)
952	{	1164	{
953	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);	1165	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
954	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);	1166	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
955	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);	1167	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
956	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);	1168	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
…		…
959	return x;	1171	return x;
960	}	1172	}
961		1173
962	/* popcount64 is only available on 64 bit cpus as gcc builtin */	1174	/* popcount64 is only available on 64 bit cpus as gcc builtin */
963	/* so for this version we are lazy */	1175	/* so for this version we are lazy */
964	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	1176	ecb_function_ ecb_const int ecb_popcount64 (uint64_t x);
965	ecb_function_ int	1177	ecb_function_ ecb_const int
966	ecb_popcount64 (uint64_t x)	1178	ecb_popcount64 (uint64_t x)
967	{	1179	{
968	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);	1180	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
969	}	1181	}
970		1182
971	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;	1183	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;	1184	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;	1185	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;	1186	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;	1187	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;	1188	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;	1189	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;	1190	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count);
979		1191
980	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }	1192	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); }	1193	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); }	1194	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); }	1195	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); }	1196	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); }	1197	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); }	1198	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); }	1199	ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
988		1200
989	#if ECB_GCC_VERSION(4,3)	1201	#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
		1202	#if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
		1203	#define ecb_bswap16(x) __builtin_bswap16 (x)
		1204	#else
990	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)	1205	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		1206	#endif
991	#define ecb_bswap32(x) __builtin_bswap32 (x)	1207	#define ecb_bswap32(x) __builtin_bswap32 (x)
992	#define ecb_bswap64(x) __builtin_bswap64 (x)	1208	#define ecb_bswap64(x) __builtin_bswap64 (x)
		1209	#elif _MSC_VER
		1210	#include <stdlib.h>
		1211	#define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
		1212	#define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
		1213	#define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
993	#else	1214	#else
994	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;	1215	ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
995	ecb_function_ uint16_t	1216	ecb_function_ ecb_const uint16_t
996	ecb_bswap16 (uint16_t x)	1217	ecb_bswap16 (uint16_t x)
997	{	1218	{
998	return ecb_rotl16 (x, 8);	1219	return ecb_rotl16 (x, 8);
999	}	1220	}
1000		1221
1001	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;	1222	ecb_function_ ecb_const uint32_t ecb_bswap32 (uint32_t x);
1002	ecb_function_ uint32_t	1223	ecb_function_ ecb_const uint32_t
1003	ecb_bswap32 (uint32_t x)	1224	ecb_bswap32 (uint32_t x)
1004	{	1225	{
1005	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);	1226	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
1006	}	1227	}
1007		1228
1008	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;	1229	ecb_function_ ecb_const uint64_t ecb_bswap64 (uint64_t x);
1009	ecb_function_ uint64_t	1230	ecb_function_ ecb_const uint64_t
1010	ecb_bswap64 (uint64_t x)	1231	ecb_bswap64 (uint64_t x)
1011	{	1232	{
1012	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);	1233	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
1013	}	1234	}
1014	#endif	1235	#endif
1015		1236
1016	#if ECB_GCC_VERSION(4,5)	1237	#if ECB_GCC_VERSION(4,5) || ECB_CLANG_BUILTIN(__builtin_unreachable)
1017	#define ecb_unreachable() __builtin_unreachable ()	1238	#define ecb_unreachable() __builtin_unreachable ()
1018	#else	1239	#else
1019	/* this seems to work fine, but gcc always emits a warning for it :/ */	1240	/* this seems to work fine, but gcc always emits a warning for it :/ */
1020	ecb_inline void ecb_unreachable (void) ecb_noreturn;	1241	ecb_inline ecb_noreturn void ecb_unreachable (void);
1021	ecb_inline void ecb_unreachable (void) { }	1242	ecb_inline ecb_noreturn void ecb_unreachable (void) { }
1022	#endif	1243	#endif
1023		1244
1024	/* try to tell the compiler that some condition is definitely true */	1245	/* try to tell the compiler that some condition is definitely true */
1025	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0	1246	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1026		1247
1027	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	1248	ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1028	ecb_inline unsigned char	1249	ecb_inline ecb_const uint32_t
1029	ecb_byteorder_helper (void)	1250	ecb_byteorder_helper (void)
1030	{	1251	{
1031	/* the union code still generates code under pressure in gcc, */	1252	/* the union code still generates code under pressure in gcc, */
1032	/* but less than using pointers, and always seems to */	1253	/* but less than using pointers, and always seems to */
1033	/* successfully return a constant. */	1254	/* successfully return a constant. */
1034	/* the reason why we have this horrible preprocessor mess */	1255	/* the reason why we have this horrible preprocessor mess */
1035	/* is to avoid it in all cases, at least on common architectures */	1256	/* is to avoid it in all cases, at least on common architectures */
1036	/* or when using a recent enough gcc version (>= 4.6) */	1257	/* 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__	1258	#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
		1259	|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
		1260	#define ECB_LITTLE_ENDIAN 1
1040	return 0x44;	1261	return 0x44332211;
1041	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__	1262	#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
		1263	|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
		1264	#define ECB_BIG_ENDIAN 1
1042	return 0x11;	1265	return 0x11223344;
1043	#else	1266	#else
1044	union	1267	union
1045	{	1268	{
		1269	uint8_t c[4];
1046	uint32_t i;	1270	uint32_t u;
1047	uint8_t c;
1048	} u = { 0x11223344 };	1271	} u = { 0x11, 0x22, 0x33, 0x44 };
1049	return u.c;	1272	return u.u;
1050	#endif	1273	#endif
1051	}	1274	}
1052		1275
1053	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1276	ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1054	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1277	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;	1278	ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1056	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1279	ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1057		1280
1058	#if ECB_GCC_VERSION(3,0) || ECB_C99	1281	#if ECB_GCC_VERSION(3,0) || ECB_C99
1059	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1282	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1060	#else	1283	#else
1061	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1284	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1062	#endif	1285	#endif
1063		1286
1064	#if __cplusplus	1287	#if ECB_CPP
1065	template<typename T>	1288	template<typename T>
1066	static inline T ecb_div_rd (T val, T div)	1289	static inline T ecb_div_rd (T val, T div)
1067	{	1290	{
1068	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;	1291	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
1069	}	1292	}
…		…
1086	}	1309	}
1087	#else	1310	#else
1088	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1311	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1089	#endif	1312	#endif
1090		1313
		1314	ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
		1315	ecb_function_ ecb_const uint32_t
		1316	ecb_binary16_to_binary32 (uint32_t x)
		1317	{
		1318	unsigned int s = (x & 0x8000) << (31 - 15);
		1319	int e = (x >> 10) & 0x001f;
		1320	unsigned int m = x & 0x03ff;
		1321
		1322	if (ecb_expect_false (e == 31))
		1323	/* infinity or NaN */
		1324	e = 255 - (127 - 15);
		1325	else if (ecb_expect_false (!e))
		1326	{
		1327	if (ecb_expect_true (!m))
		1328	/* zero, handled by code below by forcing e to 0 */
		1329	e = 0 - (127 - 15);
		1330	else
		1331	{
		1332	/* subnormal, renormalise */
		1333	unsigned int s = 10 - ecb_ld32 (m);
		1334
		1335	m = (m << s) & 0x3ff; /* mask implicit bit */
		1336	e -= s - 1;
		1337	}
		1338	}
		1339
		1340	/* e and m now are normalised, or zero, (or inf or nan) */
		1341	e += 127 - 15;
		1342
		1343	return s | (e << 23) | (m << (23 - 10));
		1344	}
		1345
		1346	ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
		1347	ecb_function_ ecb_const uint16_t
		1348	ecb_binary32_to_binary16 (uint32_t x)
		1349	{
		1350	unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
		1351	unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
		1352	unsigned int m = x & 0x007fffff;
		1353
		1354	x &= 0x7fffffff;
		1355
		1356	/* if it's within range of binary16 normals, use fast path */
		1357	if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
		1358	{
		1359	/* mantissa round-to-even */
		1360	m += 0x00000fff + ((m >> (23 - 10)) & 1);
		1361
		1362	/* handle overflow */
		1363	if (ecb_expect_false (m >= 0x00800000))
		1364	{
		1365	m >>= 1;
		1366	e += 1;
		1367	}
		1368
		1369	return s | (e << 10) | (m >> (23 - 10));
		1370	}
		1371
		1372	/* handle large numbers and infinity */
		1373	if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
		1374	return s | 0x7c00;
		1375
		1376	/* handle zero, subnormals and small numbers */
		1377	if (ecb_expect_true (x < 0x38800000))
		1378	{
		1379	/* zero */
		1380	if (ecb_expect_true (!x))
		1381	return s;
		1382
		1383	/* handle subnormals */
		1384
		1385	/* too small, will be zero */
		1386	if (e < (14 - 24)) /* might not be sharp, but is good enough */
		1387	return s;
		1388
		1389	m |= 0x00800000; /* make implicit bit explicit */
		1390
		1391	/* very tricky - we need to round to the nearest e (+10) bit value */
		1392	{
		1393	unsigned int bits = 14 - e;
		1394	unsigned int half = (1 << (bits - 1)) - 1;
		1395	unsigned int even = (m >> bits) & 1;
		1396
		1397	/* if this overflows, we will end up with a normalised number */
		1398	m = (m + half + even) >> bits;
		1399	}
		1400
		1401	return s | m;
		1402	}
		1403
		1404	/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
		1405	m >>= 13;
		1406
		1407	return s | 0x7c00 | m | !m;
		1408	}
		1409
1091	/*******************************************************************************/	1410	/*******************************************************************************/
1092	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */	1411	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1093		1412
1094	/* basically, everything uses "ieee pure-endian" floating point numbers */	1413	/* basically, everything uses "ieee pure-endian" floating point numbers */
1095	/* the only noteworthy exception is ancient armle, which uses order 43218765 */	1414	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1096	#if 0 \	1415	#if 0 \
1097	|| __i386 || __i386__ \	1416	|| __i386 || __i386__ \
1098	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \	1417	|| ECB_GCC_AMD64 \
1099	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \	1418	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1100	|| defined __s390__ || defined __s390x__ \	1419	|| defined __s390__ || defined __s390x__ \
1101	|| defined __mips__ \	1420	|| defined __mips__ \
1102	|| defined __alpha__ \	1421	|| defined __alpha__ \
1103	|| defined __hppa__ \	1422	|| defined __hppa__ \
1104	|| defined __ia64__ \	1423	|| defined __ia64__ \
1105	|| defined __m68k__ \	1424	|| defined __m68k__ \
1106	|| defined __m88k__ \	1425	|| defined __m88k__ \
1107	|| defined __sh__ \	1426	|| defined __sh__ \
1108	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \	1427	|| 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__)) \	1428	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1110	|| defined __aarch64__	1429	|| defined __aarch64__
1111	#define ECB_STDFP 1	1430	#define ECB_STDFP 1
1112	#include <string.h> /* for memcpy */	1431	#include <string.h> /* for memcpy */
1113	#else	1432	#else
…		…
1129	#define ECB_NAN NAN	1448	#define ECB_NAN NAN
1130	#else	1449	#else
1131	#define ECB_NAN ECB_INFINITY	1450	#define ECB_NAN ECB_INFINITY
1132	#endif	1451	#endif
1133		1452
1134	/* converts an ieee half/binary16 to a float */	1453	#if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1135	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;	1454	#define ecb_ldexpf(x,e) ldexpf ((x), (e))
1136	ecb_function_ float	1455	#define ecb_frexpf(x,e) frexpf ((x), (e))
1137	ecb_binary16_to_float (uint16_t x)	1456	#else
1138	{	1457	#define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1139	int e = (x >> 10) & 0x1f;	1458	#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1140	int m = x & 0x3ff;	1459	#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		1460
1151	/* convert a float to ieee single/binary32 */	1461	/* convert a float to ieee single/binary32 */
1152	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;	1462	ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1153	ecb_function_ uint32_t	1463	ecb_function_ ecb_const uint32_t
1154	ecb_float_to_binary32 (float x)	1464	ecb_float_to_binary32 (float x)
1155	{	1465	{
1156	uint32_t r;	1466	uint32_t r;
1157		1467
1158	#if ECB_STDFP	1468	#if ECB_STDFP
…		…
1165	if (x == 0e0f ) return 0x00000000U;	1475	if (x == 0e0f ) return 0x00000000U;
1166	if (x > +3.40282346638528860e+38f) return 0x7f800000U;	1476	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1167	if (x < -3.40282346638528860e+38f) return 0xff800000U;	1477	if (x < -3.40282346638528860e+38f) return 0xff800000U;
1168	if (x != x ) return 0x7fbfffffU;	1478	if (x != x ) return 0x7fbfffffU;
1169		1479
1170	m = frexpf (x, &e) * 0x1000000U;	1480	m = ecb_frexpf (x, &e) * 0x1000000U;
1171		1481
1172	r = m & 0x80000000U;	1482	r = m & 0x80000000U;
1173		1483
1174	if (r)	1484	if (r)
1175	m = -m;	1485	m = -m;
…		…
1187		1497
1188	return r;	1498	return r;
1189	}	1499	}
1190		1500
1191	/* converts an ieee single/binary32 to a float */	1501	/* converts an ieee single/binary32 to a float */
1192	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;	1502	ecb_function_ ecb_const float ecb_binary32_to_float (uint32_t x);
1193	ecb_function_ float	1503	ecb_function_ ecb_const float
1194	ecb_binary32_to_float (uint32_t x)	1504	ecb_binary32_to_float (uint32_t x)
1195	{	1505	{
1196	float r;	1506	float r;
1197		1507
1198	#if ECB_STDFP	1508	#if ECB_STDFP
…		…
1208	x |= 0x800000U;	1518	x |= 0x800000U;
1209	else	1519	else
1210	e = 1;	1520	e = 1;
1211		1521
1212	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */	1522	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
1213	r = ldexpf (x * (0.5f / 0x800000U), e - 126);	1523	r = ecb_ldexpf (x * (0.5f / 0x800000U), e - 126);
1214		1524
1215	r = neg ? -r : r;	1525	r = neg ? -r : r;
1216	#endif	1526	#endif
1217		1527
1218	return r;	1528	return r;
1219	}	1529	}
1220		1530
1221	/* convert a double to ieee double/binary64 */	1531	/* convert a double to ieee double/binary64 */
1222	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;	1532	ecb_function_ ecb_const uint64_t ecb_double_to_binary64 (double x);
1223	ecb_function_ uint64_t	1533	ecb_function_ ecb_const uint64_t
1224	ecb_double_to_binary64 (double x)	1534	ecb_double_to_binary64 (double x)
1225	{	1535	{
1226	uint64_t r;	1536	uint64_t r;
1227		1537
1228	#if ECB_STDFP	1538	#if ECB_STDFP
…		…
1257		1567
1258	return r;	1568	return r;
1259	}	1569	}
1260		1570
1261	/* converts an ieee double/binary64 to a double */	1571	/* converts an ieee double/binary64 to a double */
1262	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;	1572	ecb_function_ ecb_const double ecb_binary64_to_double (uint64_t x);
1263	ecb_function_ double	1573	ecb_function_ ecb_const double
1264	ecb_binary64_to_double (uint64_t x)	1574	ecb_binary64_to_double (uint64_t x)
1265	{	1575	{
1266	double r;	1576	double r;
1267		1577
1268	#if ECB_STDFP	1578	#if ECB_STDFP
…		…
1286	#endif	1596	#endif
1287		1597
1288	return r;	1598	return r;
1289	}	1599	}
1290		1600
		1601	/* convert a float to ieee half/binary16 */
		1602	ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
		1603	ecb_function_ ecb_const uint16_t
		1604	ecb_float_to_binary16 (float x)
		1605	{
		1606	return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
		1607	}
		1608
		1609	/* convert an ieee half/binary16 to float */
		1610	ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
		1611	ecb_function_ ecb_const float
		1612	ecb_binary16_to_float (uint16_t x)
		1613	{
		1614	return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
		1615	}
		1616
1291	#endif	1617	#endif
1292		1618
1293	#endif	1619	#endif
1294		1620
1295	/* ECB.H END */	1621	/* ECB.H END */
1296		1622
1297	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1623	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
1298	/* if your architecture doesn't need memory fences, e.g. because it is	1624	/* if your architecture doesn't need memory fences, e.g. because it is
1299	* single-cpu/core, or if you use libev in a project that doesn't use libev	1625	* single-cpu/core, or if you use libev in a project that doesn't use libev
1300	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1626	* from multiple threads, then you can define ECB_NO_THREADS when compiling
1301	* libev, in which cases the memory fences become nops.	1627	* libev, in which cases the memory fences become nops.
1302	* alternatively, you can remove this #error and link against libpthread,	1628	* alternatively, you can remove this #error and link against libpthread,
1303	* which will then provide the memory fences.	1629	* which will then provide the memory fences.
1304	*/	1630	*/
1305	# error "memory fences not defined for your architecture, please report"	1631	# error "memory fences not defined for your architecture, please report"
…		…
1309	# define ECB_MEMORY_FENCE do { } while (0)	1635	# define ECB_MEMORY_FENCE do { } while (0)
1310	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	1636	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
1311	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	1637	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
1312	#endif	1638	#endif
1313		1639
1314	#define expect_false(cond) ecb_expect_false (cond)
1315	#define expect_true(cond) ecb_expect_true (cond)
1316	#define noinline ecb_noinline
1317
1318	#define inline_size ecb_inline	1640	#define inline_size ecb_inline
1319		1641
1320	#if EV_FEATURE_CODE	1642	#if EV_FEATURE_CODE
1321	# define inline_speed ecb_inline	1643	# define inline_speed ecb_inline
1322	#else	1644	#else
1323	# define inline_speed static noinline	1645	# define inline_speed ecb_noinline static
1324	#endif	1646	#endif
1325		1647
1326	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1648	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1327		1649
1328	#if EV_MINPRI == EV_MAXPRI	1650	#if EV_MINPRI == EV_MAXPRI
1329	# define ABSPRI(w) (((W)w), 0)	1651	# define ABSPRI(w) (((W)w), 0)
1330	#else	1652	#else
1331	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)	1653	# define ABSPRI(w) (((W)w)->priority - EV_MINPRI)
1332	#endif	1654	#endif
1333		1655
1334	#define EMPTY /* required for microsofts broken pseudo-c compiler */	1656	#define EMPTY /* required for microsofts broken pseudo-c compiler */
1335	#define EMPTY2(a,b) /* used to suppress some warnings */
1336		1657
1337	typedef ev_watcher *W;	1658	typedef ev_watcher *W;
1338	typedef ev_watcher_list *WL;	1659	typedef ev_watcher_list *WL;
1339	typedef ev_watcher_time *WT;	1660	typedef ev_watcher_time *WT;
1340		1661
…		…
1365	# include "ev_win32.c"	1686	# include "ev_win32.c"
1366	#endif	1687	#endif
1367		1688
1368	/*****************************************************************************/	1689	/*****************************************************************************/
1369		1690
		1691	#if EV_USE_LINUXAIO
		1692	# include <linux/aio_abi.h> /* probably only needed for aio_context_t */
		1693	#endif
		1694
1370	/* define a suitable floor function (only used by periodics atm) */	1695	/* define a suitable floor function (only used by periodics atm) */
1371		1696
1372	#if EV_USE_FLOOR	1697	#if EV_USE_FLOOR
1373	# include <math.h>	1698	# include <math.h>
1374	# define ev_floor(v) floor (v)	1699	# define ev_floor(v) floor (v)
1375	#else	1700	#else
1376		1701
1377	#include <float.h>	1702	#include <float.h>
1378		1703
1379	/* a floor() replacement function, should be independent of ev_tstamp type */	1704	/* a floor() replacement function, should be independent of ev_tstamp type */
		1705	ecb_noinline
1380	static ev_tstamp noinline	1706	static ev_tstamp
1381	ev_floor (ev_tstamp v)	1707	ev_floor (ev_tstamp v)
1382	{	1708	{
1383	/* the choice of shift factor is not terribly important */	1709	/* the choice of shift factor is not terribly important */
1384	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */	1710	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1385	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;	1711	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1386	#else	1712	#else
1387	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;	1713	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
1388	#endif	1714	#endif
1389		1715
1390	/* argument too large for an unsigned long? */	1716	/* argument too large for an unsigned long? */
1391	if (expect_false (v >= shift))	1717	if (ecb_expect_false (v >= shift))
1392	{	1718	{
1393	ev_tstamp f;	1719	ev_tstamp f;
1394		1720
1395	if (v == v - 1.)	1721	if (v == v - 1.)
1396	return v; /* very large number */	1722	return v; /* very large number */
…		…
1398	f = shift * ev_floor (v * (1. / shift));	1724	f = shift * ev_floor (v * (1. / shift));
1399	return f + ev_floor (v - f);	1725	return f + ev_floor (v - f);
1400	}	1726	}
1401		1727
1402	/* special treatment for negative args? */	1728	/* special treatment for negative args? */
1403	if (expect_false (v < 0.))	1729	if (ecb_expect_false (v < 0.))
1404	{	1730	{
1405	ev_tstamp f = -ev_floor (-v);	1731	ev_tstamp f = -ev_floor (-v);
1406		1732
1407	return f - (f == v ? 0 : 1);	1733	return f - (f == v ? 0 : 1);
1408	}	1734	}
…		…
1417		1743
1418	#ifdef __linux	1744	#ifdef __linux
1419	# include <sys/utsname.h>	1745	# include <sys/utsname.h>
1420	#endif	1746	#endif
1421		1747
1422	static unsigned int noinline ecb_cold	1748	ecb_noinline ecb_cold
		1749	static unsigned int
1423	ev_linux_version (void)	1750	ev_linux_version (void)
1424	{	1751	{
1425	#ifdef __linux	1752	#ifdef __linux
1426	unsigned int v = 0;	1753	unsigned int v = 0;
1427	struct utsname buf;	1754	struct utsname buf;
…		…
1456	}	1783	}
1457		1784
1458	/*****************************************************************************/	1785	/*****************************************************************************/
1459		1786
1460	#if EV_AVOID_STDIO	1787	#if EV_AVOID_STDIO
1461	static void noinline ecb_cold	1788	ecb_noinline ecb_cold
		1789	static void
1462	ev_printerr (const char *msg)	1790	ev_printerr (const char *msg)
1463	{	1791	{
1464	write (STDERR_FILENO, msg, strlen (msg));	1792	write (STDERR_FILENO, msg, strlen (msg));
1465	}	1793	}
1466	#endif	1794	#endif
1467		1795
1468	static void (*syserr_cb)(const char *msg) EV_THROW;	1796	static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1469		1797
1470	void ecb_cold	1798	ecb_cold
		1799	void
1471	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW	1800	ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1472	{	1801	{
1473	syserr_cb = cb;	1802	syserr_cb = cb;
1474	}	1803	}
1475		1804
1476	static void noinline ecb_cold	1805	ecb_noinline ecb_cold
		1806	static void
1477	ev_syserr (const char *msg)	1807	ev_syserr (const char *msg)
1478	{	1808	{
1479	if (!msg)	1809	if (!msg)
1480	msg = "(libev) system error";	1810	msg = "(libev) system error";
1481		1811
…		…
1494	abort ();	1824	abort ();
1495	}	1825	}
1496	}	1826	}
1497		1827
1498	static void *	1828	static void *
1499	ev_realloc_emul (void *ptr, long size) EV_THROW	1829	ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1500	{	1830	{
1501	/* some systems, notably openbsd and darwin, fail to properly	1831	/* some systems, notably openbsd and darwin, fail to properly
1502	* implement realloc (x, 0) (as required by both ansi c-89 and	1832	* implement realloc (x, 0) (as required by both ansi c-89 and
1503	* the single unix specification, so work around them here.	1833	* the single unix specification, so work around them here.
1504	* recently, also (at least) fedora and debian started breaking it,	1834	* recently, also (at least) fedora and debian started breaking it,
…		…
1510		1840
1511	free (ptr);	1841	free (ptr);
1512	return 0;	1842	return 0;
1513	}	1843	}
1514		1844
1515	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;	1845	static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1516		1846
1517	void ecb_cold	1847	ecb_cold
		1848	void
1518	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW	1849	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1519	{	1850	{
1520	alloc = cb;	1851	alloc = cb;
1521	}	1852	}
1522		1853
1523	inline_speed void *	1854	inline_speed void *
…		…
1550	typedef struct	1881	typedef struct
1551	{	1882	{
1552	WL head;	1883	WL head;
1553	unsigned char events; /* the events watched for */	1884	unsigned char events; /* the events watched for */
1554	unsigned char reify; /* flag set when this ANFD needs reification (EV_ANFD_REIFY, EV__IOFDSET) */	1885	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 */	1886	unsigned char emask; /* some backends store the actual kernel mask in here */
1556	unsigned char unused;	1887	unsigned char unused;
1557	#if EV_USE_EPOLL	1888	#if EV_USE_EPOLL
1558	unsigned int egen; /* generation counter to counter epoll bugs */	1889	unsigned int egen; /* generation counter to counter epoll bugs */
1559	#endif	1890	#endif
1560	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP	1891	#if EV_SELECT_IS_WINSOCKET || EV_USE_IOCP
…		…
1625	static int ev_default_loop_ptr;	1956	static int ev_default_loop_ptr;
1626		1957
1627	#endif	1958	#endif
1628		1959
1629	#if EV_FEATURE_API	1960	#if EV_FEATURE_API
1630	# define EV_RELEASE_CB if (expect_false (release_cb)) release_cb (EV_A)	1961	# define EV_RELEASE_CB if (ecb_expect_false (release_cb)) release_cb (EV_A)
1631	# define EV_ACQUIRE_CB if (expect_false (acquire_cb)) acquire_cb (EV_A)	1962	# define EV_ACQUIRE_CB if (ecb_expect_false (acquire_cb)) acquire_cb (EV_A)
1632	# define EV_INVOKE_PENDING invoke_cb (EV_A)	1963	# define EV_INVOKE_PENDING invoke_cb (EV_A)
1633	#else	1964	#else
1634	# define EV_RELEASE_CB (void)0	1965	# define EV_RELEASE_CB (void)0
1635	# define EV_ACQUIRE_CB (void)0	1966	# define EV_ACQUIRE_CB (void)0
1636	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)	1967	# define EV_INVOKE_PENDING ev_invoke_pending (EV_A)
…		…
1640		1971
1641	/*****************************************************************************/	1972	/*****************************************************************************/
1642		1973
1643	#ifndef EV_HAVE_EV_TIME	1974	#ifndef EV_HAVE_EV_TIME
1644	ev_tstamp	1975	ev_tstamp
1645	ev_time (void) EV_THROW	1976	ev_time (void) EV_NOEXCEPT
1646	{	1977	{
1647	#if EV_USE_REALTIME	1978	#if EV_USE_REALTIME
1648	if (expect_true (have_realtime))	1979	if (ecb_expect_true (have_realtime))
1649	{	1980	{
1650	struct timespec ts;	1981	struct timespec ts;
1651	clock_gettime (CLOCK_REALTIME, &ts);	1982	clock_gettime (CLOCK_REALTIME, &ts);
1652	return ts.tv_sec + ts.tv_nsec * 1e-9;	1983	return ts.tv_sec + ts.tv_nsec * 1e-9;
1653	}	1984	}
…		…
1661		1992
1662	inline_size ev_tstamp	1993	inline_size ev_tstamp
1663	get_clock (void)	1994	get_clock (void)
1664	{	1995	{
1665	#if EV_USE_MONOTONIC	1996	#if EV_USE_MONOTONIC
1666	if (expect_true (have_monotonic))	1997	if (ecb_expect_true (have_monotonic))
1667	{	1998	{
1668	struct timespec ts;	1999	struct timespec ts;
1669	clock_gettime (CLOCK_MONOTONIC, &ts);	2000	clock_gettime (CLOCK_MONOTONIC, &ts);
1670	return ts.tv_sec + ts.tv_nsec * 1e-9;	2001	return ts.tv_sec + ts.tv_nsec * 1e-9;
1671	}	2002	}
…		…
1674	return ev_time ();	2005	return ev_time ();
1675	}	2006	}
1676		2007
1677	#if EV_MULTIPLICITY	2008	#if EV_MULTIPLICITY
1678	ev_tstamp	2009	ev_tstamp
1679	ev_now (EV_P) EV_THROW	2010	ev_now (EV_P) EV_NOEXCEPT
1680	{	2011	{
1681	return ev_rt_now;	2012	return ev_rt_now;
1682	}	2013	}
1683	#endif	2014	#endif
1684		2015
1685	void	2016	void
1686	ev_sleep (ev_tstamp delay) EV_THROW	2017	ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1687	{	2018	{
1688	if (delay > 0.)	2019	if (delay > 0.)
1689	{	2020	{
1690	#if EV_USE_NANOSLEEP	2021	#if EV_USE_NANOSLEEP
1691	struct timespec ts;	2022	struct timespec ts;
1692		2023
1693	EV_TS_SET (ts, delay);	2024	EV_TS_SET (ts, delay);
1694	nanosleep (&ts, 0);	2025	nanosleep (&ts, 0);
1695	#elif defined _WIN32	2026	#elif defined _WIN32
		2027	/* maybe this should round up, as ms is very low resolution */
		2028	/* compared to select (µs) or nanosleep (ns) */
1696	Sleep ((unsigned long)(delay * 1e3));	2029	Sleep ((unsigned long)(delay * 1e3));
1697	#else	2030	#else
1698	struct timeval tv;	2031	struct timeval tv;
1699		2032
1700	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	2033	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1731	}	2064	}
1732		2065
1733	return ncur;	2066	return ncur;
1734	}	2067	}
1735		2068
1736	static void * noinline ecb_cold	2069	ecb_noinline ecb_cold
		2070	static void *
1737	array_realloc (int elem, void *base, int *cur, int cnt)	2071	array_realloc (int elem, void *base, int *cur, int cnt)
1738	{	2072	{
1739	*cur = array_nextsize (elem, *cur, cnt);	2073	*cur = array_nextsize (elem, *cur, cnt);
1740	return ev_realloc (base, elem * *cur);	2074	return ev_realloc (base, elem * *cur);
1741	}	2075	}
1742		2076
		2077	#define array_needsize_noinit(base,offset,count)
		2078
1743	#define array_init_zero(base,count) \	2079	#define array_needsize_zerofill(base,offset,count) \
1744	memset ((void *)(base), 0, sizeof (*(base)) * (count))	2080	memset ((void *)(base + offset), 0, sizeof (*(base)) * (count))
1745		2081
1746	#define array_needsize(type,base,cur,cnt,init) \	2082	#define array_needsize(type,base,cur,cnt,init) \
1747	if (expect_false ((cnt) > (cur))) \	2083	if (ecb_expect_false ((cnt) > (cur))) \
1748	{ \	2084	{ \
1749	int ecb_unused ocur_ = (cur); \	2085	ecb_unused int ocur_ = (cur); \
1750	(base) = (type *)array_realloc \	2086	(base) = (type *)array_realloc \
1751	(sizeof (type), (base), &(cur), (cnt)); \	2087	(sizeof (type), (base), &(cur), (cnt)); \
1752	init ((base) + (ocur_), (cur) - ocur_); \	2088	init ((base), ocur_, ((cur) - ocur_)); \
1753	}	2089	}
1754		2090
1755	#if 0	2091	#if 0
1756	#define array_slim(type,stem) \	2092	#define array_slim(type,stem) \
1757	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \	2093	if (stem ## max < array_roundsize (stem ## cnt >> 2)) \
…		…
1766	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0	2102	ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1767		2103
1768	/*****************************************************************************/	2104	/*****************************************************************************/
1769		2105
1770	/* dummy callback for pending events */	2106	/* dummy callback for pending events */
1771	static void noinline	2107	ecb_noinline
		2108	static void
1772	pendingcb (EV_P_ ev_prepare *w, int revents)	2109	pendingcb (EV_P_ ev_prepare *w, int revents)
1773	{	2110	{
1774	}	2111	}
1775		2112
1776	void noinline	2113	ecb_noinline
		2114	void
1777	ev_feed_event (EV_P_ void *w, int revents) EV_THROW	2115	ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1778	{	2116	{
1779	W w_ = (W)w;	2117	W w_ = (W)w;
1780	int pri = ABSPRI (w_);	2118	int pri = ABSPRI (w_);
1781		2119
1782	if (expect_false (w_->pending))	2120	if (ecb_expect_false (w_->pending))
1783	pendings [pri][w_->pending - 1].events |= revents;	2121	pendings [pri][w_->pending - 1].events |= revents;
1784	else	2122	else
1785	{	2123	{
1786	w_->pending = ++pendingcnt [pri];	2124	w_->pending = ++pendingcnt [pri];
1787	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	2125	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, array_needsize_noinit);
1788	pendings [pri][w_->pending - 1].w = w_;	2126	pendings [pri][w_->pending - 1].w = w_;
1789	pendings [pri][w_->pending - 1].events = revents;	2127	pendings [pri][w_->pending - 1].events = revents;
1790	}	2128	}
1791		2129
1792	pendingpri = NUMPRI - 1;	2130	pendingpri = NUMPRI - 1;
1793	}	2131	}
1794		2132
1795	inline_speed void	2133	inline_speed void
1796	feed_reverse (EV_P_ W w)	2134	feed_reverse (EV_P_ W w)
1797	{	2135	{
1798	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, EMPTY2);	2136	array_needsize (W, rfeeds, rfeedmax, rfeedcnt + 1, array_needsize_noinit);
1799	rfeeds [rfeedcnt++] = w;	2137	rfeeds [rfeedcnt++] = w;
1800	}	2138	}
1801		2139
1802	inline_size void	2140	inline_size void
1803	feed_reverse_done (EV_P_ int revents)	2141	feed_reverse_done (EV_P_ int revents)
…		…
1838	inline_speed void	2176	inline_speed void
1839	fd_event (EV_P_ int fd, int revents)	2177	fd_event (EV_P_ int fd, int revents)
1840	{	2178	{
1841	ANFD *anfd = anfds + fd;	2179	ANFD *anfd = anfds + fd;
1842		2180
1843	if (expect_true (!anfd->reify))	2181	if (ecb_expect_true (!anfd->reify))
1844	fd_event_nocheck (EV_A_ fd, revents);	2182	fd_event_nocheck (EV_A_ fd, revents);
1845	}	2183	}
1846		2184
1847	void	2185	void
1848	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW	2186	ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1849	{	2187	{
1850	if (fd >= 0 && fd < anfdmax)	2188	if (fd >= 0 && fd < anfdmax)
1851	fd_event_nocheck (EV_A_ fd, revents);	2189	fd_event_nocheck (EV_A_ fd, revents);
1852	}	2190	}
1853		2191
…		…
1890	ev_io *w;	2228	ev_io *w;
1891		2229
1892	unsigned char o_events = anfd->events;	2230	unsigned char o_events = anfd->events;
1893	unsigned char o_reify = anfd->reify;	2231	unsigned char o_reify = anfd->reify;
1894		2232
1895	anfd->reify = 0;	2233	anfd->reify = 0;
1896		2234
1897	/*if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */	2235	/*if (ecb_expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation */
1898	{	2236	{
1899	anfd->events = 0;	2237	anfd->events = 0;
1900		2238
1901	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)	2239	for (w = (ev_io *)anfd->head; w; w = (ev_io *)((WL)w)->next)
1902	anfd->events |= (unsigned char)w->events;	2240	anfd->events |= (unsigned char)w->events;
…		…
1911		2249
1912	fdchangecnt = 0;	2250	fdchangecnt = 0;
1913	}	2251	}
1914		2252
1915	/* something about the given fd changed */	2253	/* something about the given fd changed */
1916	inline_size void	2254	inline_size
		2255	void
1917	fd_change (EV_P_ int fd, int flags)	2256	fd_change (EV_P_ int fd, int flags)
1918	{	2257	{
1919	unsigned char reify = anfds [fd].reify;	2258	unsigned char reify = anfds [fd].reify;
1920	anfds [fd].reify |= flags;	2259	anfds [fd].reify |= flags;
1921		2260
1922	if (expect_true (!reify))	2261	if (ecb_expect_true (!reify))
1923	{	2262	{
1924	++fdchangecnt;	2263	++fdchangecnt;
1925	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, EMPTY2);	2264	array_needsize (int, fdchanges, fdchangemax, fdchangecnt, array_needsize_noinit);
1926	fdchanges [fdchangecnt - 1] = fd;	2265	fdchanges [fdchangecnt - 1] = fd;
1927	}	2266	}
1928	}	2267	}
1929		2268
1930	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	2269	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1931	inline_speed void ecb_cold	2270	inline_speed ecb_cold void
1932	fd_kill (EV_P_ int fd)	2271	fd_kill (EV_P_ int fd)
1933	{	2272	{
1934	ev_io *w;	2273	ev_io *w;
1935		2274
1936	while ((w = (ev_io *)anfds [fd].head))	2275	while ((w = (ev_io *)anfds [fd].head))
…		…
1939	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	2278	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1940	}	2279	}
1941	}	2280	}
1942		2281
1943	/* check whether the given fd is actually valid, for error recovery */	2282	/* check whether the given fd is actually valid, for error recovery */
1944	inline_size int ecb_cold	2283	inline_size ecb_cold int
1945	fd_valid (int fd)	2284	fd_valid (int fd)
1946	{	2285	{
1947	#ifdef _WIN32	2286	#ifdef _WIN32
1948	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	2287	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1949	#else	2288	#else
1950	return fcntl (fd, F_GETFD) != -1;	2289	return fcntl (fd, F_GETFD) != -1;
1951	#endif	2290	#endif
1952	}	2291	}
1953		2292
1954	/* called on EBADF to verify fds */	2293	/* called on EBADF to verify fds */
1955	static void noinline ecb_cold	2294	ecb_noinline ecb_cold
		2295	static void
1956	fd_ebadf (EV_P)	2296	fd_ebadf (EV_P)
1957	{	2297	{
1958	int fd;	2298	int fd;
1959		2299
1960	for (fd = 0; fd < anfdmax; ++fd)	2300	for (fd = 0; fd < anfdmax; ++fd)
…		…
1962	if (!fd_valid (fd) && errno == EBADF)	2302	if (!fd_valid (fd) && errno == EBADF)
1963	fd_kill (EV_A_ fd);	2303	fd_kill (EV_A_ fd);
1964	}	2304	}
1965		2305
1966	/* called on ENOMEM in select/poll to kill some fds and retry */	2306	/* called on ENOMEM in select/poll to kill some fds and retry */
1967	static void noinline ecb_cold	2307	ecb_noinline ecb_cold
		2308	static void
1968	fd_enomem (EV_P)	2309	fd_enomem (EV_P)
1969	{	2310	{
1970	int fd;	2311	int fd;
1971		2312
1972	for (fd = anfdmax; fd--; )	2313	for (fd = anfdmax; fd--; )
…		…
1976	break;	2317	break;
1977	}	2318	}
1978	}	2319	}
1979		2320
1980	/* usually called after fork if backend needs to re-arm all fds from scratch */	2321	/* usually called after fork if backend needs to re-arm all fds from scratch */
1981	static void noinline	2322	ecb_noinline
		2323	static void
1982	fd_rearm_all (EV_P)	2324	fd_rearm_all (EV_P)
1983	{	2325	{
1984	int fd;	2326	int fd;
1985		2327
1986	for (fd = 0; fd < anfdmax; ++fd)	2328	for (fd = 0; fd < anfdmax; ++fd)
…		…
2039	ev_tstamp minat;	2381	ev_tstamp minat;
2040	ANHE *minpos;	2382	ANHE *minpos;
2041	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;	2383	ANHE *pos = heap + DHEAP * (k - HEAP0) + HEAP0 + 1;
2042		2384
2043	/* find minimum child */	2385	/* find minimum child */
2044	if (expect_true (pos + DHEAP - 1 < E))	2386	if (ecb_expect_true (pos + DHEAP - 1 < E))
2045	{	2387	{
2046	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));	2388	/* fast path */ (minpos = pos + 0), (minat = ANHE_at (*minpos));
2047	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));	2389	if ( ANHE_at (pos [1]) < minat) (minpos = pos + 1), (minat = ANHE_at (*minpos));
2048	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));	2390	if ( ANHE_at (pos [2]) < minat) (minpos = pos + 2), (minat = ANHE_at (*minpos));
2049	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));	2391	if ( ANHE_at (pos [3]) < minat) (minpos = pos + 3), (minat = ANHE_at (*minpos));
…		…
2167		2509
2168	/*****************************************************************************/	2510	/*****************************************************************************/
2169		2511
2170	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2512	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2171		2513
2172	static void noinline ecb_cold	2514	ecb_noinline ecb_cold
		2515	static void
2173	evpipe_init (EV_P)	2516	evpipe_init (EV_P)
2174	{	2517	{
2175	if (!ev_is_active (&pipe_w))	2518	if (!ev_is_active (&pipe_w))
2176	{	2519	{
2177	int fds [2];	2520	int fds [2];
…		…
2217	inline_speed void	2560	inline_speed void
2218	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	2561	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
2219	{	2562	{
2220	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */	2563	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
2221		2564
2222	if (expect_true (*flag))	2565	if (ecb_expect_true (*flag))
2223	return;	2566	return;
2224		2567
2225	*flag = 1;	2568	*flag = 1;
2226	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */	2569	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
2227		2570
…		…
2248	#endif	2591	#endif
2249	{	2592	{
2250	#ifdef _WIN32	2593	#ifdef _WIN32
2251	WSABUF buf;	2594	WSABUF buf;
2252	DWORD sent;	2595	DWORD sent;
2253	buf.buf = &buf;	2596	buf.buf = (char *)&buf;
2254	buf.len = 1;	2597	buf.len = 1;
2255	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);	2598	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2256	#else	2599	#else
2257	write (evpipe [1], &(evpipe [1]), 1);	2600	write (evpipe [1], &(evpipe [1]), 1);
2258	#endif	2601	#endif
…		…
2304	sig_pending = 0;	2647	sig_pending = 0;
2305		2648
2306	ECB_MEMORY_FENCE;	2649	ECB_MEMORY_FENCE;
2307		2650
2308	for (i = EV_NSIG - 1; i--; )	2651	for (i = EV_NSIG - 1; i--; )
2309	if (expect_false (signals [i].pending))	2652	if (ecb_expect_false (signals [i].pending))
2310	ev_feed_signal_event (EV_A_ i + 1);	2653	ev_feed_signal_event (EV_A_ i + 1);
2311	}	2654	}
2312	#endif	2655	#endif
2313		2656
2314	#if EV_ASYNC_ENABLE	2657	#if EV_ASYNC_ENABLE
…		…
2330	}	2673	}
2331		2674
2332	/*****************************************************************************/	2675	/*****************************************************************************/
2333		2676
2334	void	2677	void
2335	ev_feed_signal (int signum) EV_THROW	2678	ev_feed_signal (int signum) EV_NOEXCEPT
2336	{	2679	{
2337	#if EV_MULTIPLICITY	2680	#if EV_MULTIPLICITY
2338	EV_P;	2681	EV_P;
2339	ECB_MEMORY_FENCE_ACQUIRE;	2682	ECB_MEMORY_FENCE_ACQUIRE;
2340	EV_A = signals [signum - 1].loop;	2683	EV_A = signals [signum - 1].loop;
…		…
2355	#endif	2698	#endif
2356		2699
2357	ev_feed_signal (signum);	2700	ev_feed_signal (signum);
2358	}	2701	}
2359		2702
2360	void noinline	2703	ecb_noinline
		2704	void
2361	ev_feed_signal_event (EV_P_ int signum) EV_THROW	2705	ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2362	{	2706	{
2363	WL w;	2707	WL w;
2364		2708
2365	if (expect_false (signum <= 0 || signum >= EV_NSIG))	2709	if (ecb_expect_false (signum <= 0 || signum >= EV_NSIG))
2366	return;	2710	return;
2367		2711
2368	--signum;	2712	--signum;
2369		2713
2370	#if EV_MULTIPLICITY	2714	#if EV_MULTIPLICITY
2371	/* it is permissible to try to feed a signal to the wrong loop */	2715	/* it is permissible to try to feed a signal to the wrong loop */
2372	/* or, likely more useful, feeding a signal nobody is waiting for */	2716	/* or, likely more useful, feeding a signal nobody is waiting for */
2373		2717
2374	if (expect_false (signals [signum].loop != EV_A))	2718	if (ecb_expect_false (signals [signum].loop != EV_A))
2375	return;	2719	return;
2376	#endif	2720	#endif
2377		2721
2378	signals [signum].pending = 0;	2722	signals [signum].pending = 0;
2379	ECB_MEMORY_FENCE_RELEASE;	2723	ECB_MEMORY_FENCE_RELEASE;
…		…
2475	# include "ev_kqueue.c"	2819	# include "ev_kqueue.c"
2476	#endif	2820	#endif
2477	#if EV_USE_EPOLL	2821	#if EV_USE_EPOLL
2478	# include "ev_epoll.c"	2822	# include "ev_epoll.c"
2479	#endif	2823	#endif
		2824	#if EV_USE_LINUXAIO
		2825	# include "ev_linuxaio.c"
		2826	#endif
		2827	#if EV_USE_IOURING
		2828	# include "ev_iouring.c"
		2829	#endif
2480	#if EV_USE_POLL	2830	#if EV_USE_POLL
2481	# include "ev_poll.c"	2831	# include "ev_poll.c"
2482	#endif	2832	#endif
2483	#if EV_USE_SELECT	2833	#if EV_USE_SELECT
2484	# include "ev_select.c"	2834	# include "ev_select.c"
2485	#endif	2835	#endif
2486		2836
2487	int ecb_cold	2837	ecb_cold int
2488	ev_version_major (void) EV_THROW	2838	ev_version_major (void) EV_NOEXCEPT
2489	{	2839	{
2490	return EV_VERSION_MAJOR;	2840	return EV_VERSION_MAJOR;
2491	}	2841	}
2492		2842
2493	int ecb_cold	2843	ecb_cold int
2494	ev_version_minor (void) EV_THROW	2844	ev_version_minor (void) EV_NOEXCEPT
2495	{	2845	{
2496	return EV_VERSION_MINOR;	2846	return EV_VERSION_MINOR;
2497	}	2847	}
2498		2848
2499	/* return true if we are running with elevated privileges and should ignore env variables */	2849	/* return true if we are running with elevated privileges and should ignore env variables */
2500	int inline_size ecb_cold	2850	inline_size ecb_cold int
2501	enable_secure (void)	2851	enable_secure (void)
2502	{	2852	{
2503	#ifdef _WIN32	2853	#ifdef _WIN32
2504	return 0;	2854	return 0;
2505	#else	2855	#else
2506	return getuid () != geteuid ()	2856	return getuid () != geteuid ()
2507	|| getgid () != getegid ();	2857	|| getgid () != getegid ();
2508	#endif	2858	#endif
2509	}	2859	}
2510		2860
2511	unsigned int ecb_cold	2861	ecb_cold
		2862	unsigned int
2512	ev_supported_backends (void) EV_THROW	2863	ev_supported_backends (void) EV_NOEXCEPT
2513	{	2864	{
2514	unsigned int flags = 0;	2865	unsigned int flags = 0;
2515		2866
2516	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2867	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2517	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2868	if (EV_USE_KQUEUE ) flags |= EVBACKEND_KQUEUE;
2518	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;	2869	if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL;
		2870	if (EV_USE_LINUXAIO) flags |= EVBACKEND_LINUXAIO;
		2871	if (EV_USE_IOURING ) flags |= EVBACKEND_IOURING;
2519	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;	2872	if (EV_USE_POLL ) flags |= EVBACKEND_POLL;
2520	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2873	if (EV_USE_SELECT ) flags |= EVBACKEND_SELECT;
2521		2874
2522	return flags;	2875	return flags;
2523	}	2876	}
2524		2877
2525	unsigned int ecb_cold	2878	ecb_cold
		2879	unsigned int
2526	ev_recommended_backends (void) EV_THROW	2880	ev_recommended_backends (void) EV_NOEXCEPT
2527	{	2881	{
2528	unsigned int flags = ev_supported_backends ();	2882	unsigned int flags = ev_supported_backends ();
2529		2883
2530	#ifndef __NetBSD__	2884	#ifndef __NetBSD__
2531	/* kqueue is borked on everything but netbsd apparently */	2885	/* kqueue is borked on everything but netbsd apparently */
…		…
2539	#endif	2893	#endif
2540	#ifdef __FreeBSD__	2894	#ifdef __FreeBSD__
2541	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */	2895	flags &= ~EVBACKEND_POLL; /* poll return value is unusable (http://forums.freebsd.org/archive/index.php/t-10270.html) */
2542	#endif	2896	#endif
2543		2897
		2898	/* TODO: linuxaio is very experimental */
		2899	#if !EV_RECOMMEND_LINUXAIO
		2900	flags &= ~EVBACKEND_LINUXAIO;
		2901	#endif
		2902	/* TODO: linuxaio is super experimental */
		2903	#if !EV_RECOMMEND_IOURING
		2904	flags &= ~EVBACKEND_IOURING;
		2905	#endif
		2906
2544	return flags;	2907	return flags;
2545	}	2908	}
2546		2909
2547	unsigned int ecb_cold	2910	ecb_cold
		2911	unsigned int
2548	ev_embeddable_backends (void) EV_THROW	2912	ev_embeddable_backends (void) EV_NOEXCEPT
2549	{	2913	{
2550	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2914	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2551		2915
2552	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2916	/* 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 */	2917	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2555		2919
2556	return flags;	2920	return flags;
2557	}	2921	}
2558		2922
2559	unsigned int	2923	unsigned int
2560	ev_backend (EV_P) EV_THROW	2924	ev_backend (EV_P) EV_NOEXCEPT
2561	{	2925	{
2562	return backend;	2926	return backend;
2563	}	2927	}
2564		2928
2565	#if EV_FEATURE_API	2929	#if EV_FEATURE_API
2566	unsigned int	2930	unsigned int
2567	ev_iteration (EV_P) EV_THROW	2931	ev_iteration (EV_P) EV_NOEXCEPT
2568	{	2932	{
2569	return loop_count;	2933	return loop_count;
2570	}	2934	}
2571		2935
2572	unsigned int	2936	unsigned int
2573	ev_depth (EV_P) EV_THROW	2937	ev_depth (EV_P) EV_NOEXCEPT
2574	{	2938	{
2575	return loop_depth;	2939	return loop_depth;
2576	}	2940	}
2577		2941
2578	void	2942	void
2579	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2943	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2580	{	2944	{
2581	io_blocktime = interval;	2945	io_blocktime = interval;
2582	}	2946	}
2583		2947
2584	void	2948	void
2585	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW	2949	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2586	{	2950	{
2587	timeout_blocktime = interval;	2951	timeout_blocktime = interval;
2588	}	2952	}
2589		2953
2590	void	2954	void
2591	ev_set_userdata (EV_P_ void *data) EV_THROW	2955	ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2592	{	2956	{
2593	userdata = data;	2957	userdata = data;
2594	}	2958	}
2595		2959
2596	void *	2960	void *
2597	ev_userdata (EV_P) EV_THROW	2961	ev_userdata (EV_P) EV_NOEXCEPT
2598	{	2962	{
2599	return userdata;	2963	return userdata;
2600	}	2964	}
2601		2965
2602	void	2966	void
2603	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW	2967	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2604	{	2968	{
2605	invoke_cb = invoke_pending_cb;	2969	invoke_cb = invoke_pending_cb;
2606	}	2970	}
2607		2971
2608	void	2972	void
2609	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW	2973	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2610	{	2974	{
2611	release_cb = release;	2975	release_cb = release;
2612	acquire_cb = acquire;	2976	acquire_cb = acquire;
2613	}	2977	}
2614	#endif	2978	#endif
2615		2979
2616	/* initialise a loop structure, must be zero-initialised */	2980	/* initialise a loop structure, must be zero-initialised */
2617	static void noinline ecb_cold	2981	ecb_noinline ecb_cold
		2982	static void
2618	loop_init (EV_P_ unsigned int flags) EV_THROW	2983	loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2619	{	2984	{
2620	if (!backend)	2985	if (!backend)
2621	{	2986	{
2622	origflags = flags;	2987	origflags = flags;
2623		2988
…		…
2681		3046
2682	if (!(flags & EVBACKEND_MASK))	3047	if (!(flags & EVBACKEND_MASK))
2683	flags |= ev_recommended_backends ();	3048	flags |= ev_recommended_backends ();
2684		3049
2685	#if EV_USE_IOCP	3050	#if EV_USE_IOCP
2686	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);	3051	if (!backend && (flags & EVBACKEND_IOCP )) backend = iocp_init (EV_A_ flags);
2687	#endif	3052	#endif
2688	#if EV_USE_PORT	3053	#if EV_USE_PORT
2689	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);	3054	if (!backend && (flags & EVBACKEND_PORT )) backend = port_init (EV_A_ flags);
2690	#endif	3055	#endif
2691	#if EV_USE_KQUEUE	3056	#if EV_USE_KQUEUE
2692	if (!backend && (flags & EVBACKEND_KQUEUE)) backend = kqueue_init (EV_A_ flags);	3057	if (!backend && (flags & EVBACKEND_KQUEUE )) backend = kqueue_init (EV_A_ flags);
		3058	#endif
		3059	#if EV_USE_IOURING
		3060	if (!backend && (flags & EVBACKEND_IOURING )) backend = iouring_init (EV_A_ flags);
		3061	#endif
		3062	#if EV_USE_LINUXAIO
		3063	if (!backend && (flags & EVBACKEND_LINUXAIO)) backend = linuxaio_init (EV_A_ flags);
2693	#endif	3064	#endif
2694	#if EV_USE_EPOLL	3065	#if EV_USE_EPOLL
2695	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);	3066	if (!backend && (flags & EVBACKEND_EPOLL )) backend = epoll_init (EV_A_ flags);
2696	#endif	3067	#endif
2697	#if EV_USE_POLL	3068	#if EV_USE_POLL
2698	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);	3069	if (!backend && (flags & EVBACKEND_POLL )) backend = poll_init (EV_A_ flags);
2699	#endif	3070	#endif
2700	#if EV_USE_SELECT	3071	#if EV_USE_SELECT
2701	if (!backend && (flags & EVBACKEND_SELECT)) backend = select_init (EV_A_ flags);	3072	if (!backend && (flags & EVBACKEND_SELECT )) backend = select_init (EV_A_ flags);
2702	#endif	3073	#endif
2703		3074
2704	ev_prepare_init (&pending_w, pendingcb);	3075	ev_prepare_init (&pending_w, pendingcb);
2705		3076
2706	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3077	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
…		…
2709	#endif	3080	#endif
2710	}	3081	}
2711	}	3082	}
2712		3083
2713	/* free up a loop structure */	3084	/* free up a loop structure */
2714	void ecb_cold	3085	ecb_cold
		3086	void
2715	ev_loop_destroy (EV_P)	3087	ev_loop_destroy (EV_P)
2716	{	3088	{
2717	int i;	3089	int i;
2718		3090
2719	#if EV_MULTIPLICITY	3091	#if EV_MULTIPLICITY
…		…
2722	return;	3094	return;
2723	#endif	3095	#endif
2724		3096
2725	#if EV_CLEANUP_ENABLE	3097	#if EV_CLEANUP_ENABLE
2726	/* queue cleanup watchers (and execute them) */	3098	/* queue cleanup watchers (and execute them) */
2727	if (expect_false (cleanupcnt))	3099	if (ecb_expect_false (cleanupcnt))
2728	{	3100	{
2729	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);	3101	queue_events (EV_A_ (W *)cleanups, cleanupcnt, EV_CLEANUP);
2730	EV_INVOKE_PENDING;	3102	EV_INVOKE_PENDING;
2731	}	3103	}
2732	#endif	3104	#endif
…		…
2760		3132
2761	if (backend_fd >= 0)	3133	if (backend_fd >= 0)
2762	close (backend_fd);	3134	close (backend_fd);
2763		3135
2764	#if EV_USE_IOCP	3136	#if EV_USE_IOCP
2765	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);	3137	if (backend == EVBACKEND_IOCP ) iocp_destroy (EV_A);
2766	#endif	3138	#endif
2767	#if EV_USE_PORT	3139	#if EV_USE_PORT
2768	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);	3140	if (backend == EVBACKEND_PORT ) port_destroy (EV_A);
2769	#endif	3141	#endif
2770	#if EV_USE_KQUEUE	3142	#if EV_USE_KQUEUE
2771	if (backend == EVBACKEND_KQUEUE) kqueue_destroy (EV_A);	3143	if (backend == EVBACKEND_KQUEUE ) kqueue_destroy (EV_A);
		3144	#endif
		3145	#if EV_USE_IOURING
		3146	if (backend == EVBACKEND_IOURING ) iouring_destroy (EV_A);
		3147	#endif
		3148	#if EV_USE_LINUXAIO
		3149	if (backend == EVBACKEND_LINUXAIO) linuxaio_destroy (EV_A);
2772	#endif	3150	#endif
2773	#if EV_USE_EPOLL	3151	#if EV_USE_EPOLL
2774	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);	3152	if (backend == EVBACKEND_EPOLL ) epoll_destroy (EV_A);
2775	#endif	3153	#endif
2776	#if EV_USE_POLL	3154	#if EV_USE_POLL
2777	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);	3155	if (backend == EVBACKEND_POLL ) poll_destroy (EV_A);
2778	#endif	3156	#endif
2779	#if EV_USE_SELECT	3157	#if EV_USE_SELECT
2780	if (backend == EVBACKEND_SELECT) select_destroy (EV_A);	3158	if (backend == EVBACKEND_SELECT ) select_destroy (EV_A);
2781	#endif	3159	#endif
2782		3160
2783	for (i = NUMPRI; i--; )	3161	for (i = NUMPRI; i--; )
2784	{	3162	{
2785	array_free (pending, [i]);	3163	array_free (pending, [i]);
…		…
2827		3205
2828	inline_size void	3206	inline_size void
2829	loop_fork (EV_P)	3207	loop_fork (EV_P)
2830	{	3208	{
2831	#if EV_USE_PORT	3209	#if EV_USE_PORT
2832	if (backend == EVBACKEND_PORT ) port_fork (EV_A);	3210	if (backend == EVBACKEND_PORT ) port_fork (EV_A);
2833	#endif	3211	#endif
2834	#if EV_USE_KQUEUE	3212	#if EV_USE_KQUEUE
2835	if (backend == EVBACKEND_KQUEUE) kqueue_fork (EV_A);	3213	if (backend == EVBACKEND_KQUEUE ) kqueue_fork (EV_A);
		3214	#endif
		3215	#if EV_USE_IOURING
		3216	if (backend == EVBACKEND_IOURING ) iouring_fork (EV_A);
		3217	#endif
		3218	#if EV_USE_LINUXAIO
		3219	if (backend == EVBACKEND_LINUXAIO) linuxaio_fork (EV_A);
2836	#endif	3220	#endif
2837	#if EV_USE_EPOLL	3221	#if EV_USE_EPOLL
2838	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);	3222	if (backend == EVBACKEND_EPOLL ) epoll_fork (EV_A);
2839	#endif	3223	#endif
2840	#if EV_USE_INOTIFY	3224	#if EV_USE_INOTIFY
2841	infy_fork (EV_A);	3225	infy_fork (EV_A);
2842	#endif	3226	#endif
2843		3227
2844	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	3228	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2845	if (ev_is_active (&pipe_w))	3229	if (ev_is_active (&pipe_w) && postfork != 2)
2846	{	3230	{
2847	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	3231	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2848		3232
2849	ev_ref (EV_A);	3233	ev_ref (EV_A);
2850	ev_io_stop (EV_A_ &pipe_w);	3234	ev_io_stop (EV_A_ &pipe_w);
…		…
2861	postfork = 0;	3245	postfork = 0;
2862	}	3246	}
2863		3247
2864	#if EV_MULTIPLICITY	3248	#if EV_MULTIPLICITY
2865		3249
		3250	ecb_cold
2866	struct ev_loop * ecb_cold	3251	struct ev_loop *
2867	ev_loop_new (unsigned int flags) EV_THROW	3252	ev_loop_new (unsigned int flags) EV_NOEXCEPT
2868	{	3253	{
2869	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	3254	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2870		3255
2871	memset (EV_A, 0, sizeof (struct ev_loop));	3256	memset (EV_A, 0, sizeof (struct ev_loop));
2872	loop_init (EV_A_ flags);	3257	loop_init (EV_A_ flags);
…		…
2879	}	3264	}
2880		3265
2881	#endif /* multiplicity */	3266	#endif /* multiplicity */
2882		3267
2883	#if EV_VERIFY	3268	#if EV_VERIFY
2884	static void noinline ecb_cold	3269	ecb_noinline ecb_cold
		3270	static void
2885	verify_watcher (EV_P_ W w)	3271	verify_watcher (EV_P_ W w)
2886	{	3272	{
2887	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	3273	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2888		3274
2889	if (w->pending)	3275	if (w->pending)
2890	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	3276	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2891	}	3277	}
2892		3278
2893	static void noinline ecb_cold	3279	ecb_noinline ecb_cold
		3280	static void
2894	verify_heap (EV_P_ ANHE *heap, int N)	3281	verify_heap (EV_P_ ANHE *heap, int N)
2895	{	3282	{
2896	int i;	3283	int i;
2897		3284
2898	for (i = HEAP0; i < N + HEAP0; ++i)	3285	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2903		3290
2904	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	3291	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2905	}	3292	}
2906	}	3293	}
2907		3294
2908	static void noinline ecb_cold	3295	ecb_noinline ecb_cold
		3296	static void
2909	array_verify (EV_P_ W *ws, int cnt)	3297	array_verify (EV_P_ W *ws, int cnt)
2910	{	3298	{
2911	while (cnt--)	3299	while (cnt--)
2912	{	3300	{
2913	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	3301	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2916	}	3304	}
2917	#endif	3305	#endif
2918		3306
2919	#if EV_FEATURE_API	3307	#if EV_FEATURE_API
2920	void ecb_cold	3308	void ecb_cold
2921	ev_verify (EV_P) EV_THROW	3309	ev_verify (EV_P) EV_NOEXCEPT
2922	{	3310	{
2923	#if EV_VERIFY	3311	#if EV_VERIFY
2924	int i;	3312	int i;
2925	WL w, w2;	3313	WL w, w2;
2926		3314
…		…
3002	#endif	3390	#endif
3003	}	3391	}
3004	#endif	3392	#endif
3005		3393
3006	#if EV_MULTIPLICITY	3394	#if EV_MULTIPLICITY
		3395	ecb_cold
3007	struct ev_loop * ecb_cold	3396	struct ev_loop *
3008	#else	3397	#else
3009	int	3398	int
3010	#endif	3399	#endif
3011	ev_default_loop (unsigned int flags) EV_THROW	3400	ev_default_loop (unsigned int flags) EV_NOEXCEPT
3012	{	3401	{
3013	if (!ev_default_loop_ptr)	3402	if (!ev_default_loop_ptr)
3014	{	3403	{
3015	#if EV_MULTIPLICITY	3404	#if EV_MULTIPLICITY
3016	EV_P = ev_default_loop_ptr = &default_loop_struct;	3405	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
3035		3424
3036	return ev_default_loop_ptr;	3425	return ev_default_loop_ptr;
3037	}	3426	}
3038		3427
3039	void	3428	void
3040	ev_loop_fork (EV_P) EV_THROW	3429	ev_loop_fork (EV_P) EV_NOEXCEPT
3041	{	3430	{
3042	postfork = 1;	3431	postfork = 1;
3043	}	3432	}
3044		3433
3045	/*****************************************************************************/	3434	/*****************************************************************************/
…		…
3049	{	3438	{
3050	EV_CB_INVOKE ((W)w, revents);	3439	EV_CB_INVOKE ((W)w, revents);
3051	}	3440	}
3052		3441
3053	unsigned int	3442	unsigned int
3054	ev_pending_count (EV_P) EV_THROW	3443	ev_pending_count (EV_P) EV_NOEXCEPT
3055	{	3444	{
3056	int pri;	3445	int pri;
3057	unsigned int count = 0;	3446	unsigned int count = 0;
3058		3447
3059	for (pri = NUMPRI; pri--; )	3448	for (pri = NUMPRI; pri--; )
3060	count += pendingcnt [pri];	3449	count += pendingcnt [pri];
3061		3450
3062	return count;	3451	return count;
3063	}	3452	}
3064		3453
3065	void noinline	3454	ecb_noinline
		3455	void
3066	ev_invoke_pending (EV_P)	3456	ev_invoke_pending (EV_P)
3067	{	3457	{
3068	pendingpri = NUMPRI;	3458	pendingpri = NUMPRI;
3069		3459
3070	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */	3460	do
3071	{	3461	{
3072	--pendingpri;	3462	--pendingpri;
3073		3463
		3464	/* pendingpri possibly gets modified in the inner loop */
3074	while (pendingcnt [pendingpri])	3465	while (pendingcnt [pendingpri])
3075	{	3466	{
3076	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];	3467	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3077		3468
3078	p->w->pending = 0;	3469	p->w->pending = 0;
3079	EV_CB_INVOKE (p->w, p->events);	3470	EV_CB_INVOKE (p->w, p->events);
3080	EV_FREQUENT_CHECK;	3471	EV_FREQUENT_CHECK;
3081	}	3472	}
3082	}	3473	}
		3474	while (pendingpri);
3083	}	3475	}
3084		3476
3085	#if EV_IDLE_ENABLE	3477	#if EV_IDLE_ENABLE
3086	/* make idle watchers pending. this handles the "call-idle */	3478	/* make idle watchers pending. this handles the "call-idle */
3087	/* only when higher priorities are idle" logic */	3479	/* only when higher priorities are idle" logic */
3088	inline_size void	3480	inline_size void
3089	idle_reify (EV_P)	3481	idle_reify (EV_P)
3090	{	3482	{
3091	if (expect_false (idleall))	3483	if (ecb_expect_false (idleall))
3092	{	3484	{
3093	int pri;	3485	int pri;
3094		3486
3095	for (pri = NUMPRI; pri--; )	3487	for (pri = NUMPRI; pri--; )
3096	{	3488	{
…		…
3145	}	3537	}
3146	}	3538	}
3147		3539
3148	#if EV_PERIODIC_ENABLE	3540	#if EV_PERIODIC_ENABLE
3149		3541
3150	static void noinline	3542	ecb_noinline
		3543	static void
3151	periodic_recalc (EV_P_ ev_periodic *w)	3544	periodic_recalc (EV_P_ ev_periodic *w)
3152	{	3545	{
3153	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;	3546	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);	3547	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3155		3548
…		…
3157	while (at <= ev_rt_now)	3550	while (at <= ev_rt_now)
3158	{	3551	{
3159	ev_tstamp nat = at + w->interval;	3552	ev_tstamp nat = at + w->interval;
3160		3553
3161	/* when resolution fails us, we use ev_rt_now */	3554	/* when resolution fails us, we use ev_rt_now */
3162	if (expect_false (nat == at))	3555	if (ecb_expect_false (nat == at))
3163	{	3556	{
3164	at = ev_rt_now;	3557	at = ev_rt_now;
3165	break;	3558	break;
3166	}	3559	}
3167		3560
…		…
3213	}	3606	}
3214	}	3607	}
3215		3608
3216	/* simply recalculate all periodics */	3609	/* simply recalculate all periodics */
3217	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3610	/* TODO: maybe ensure that at least one event happens when jumping forward? */
3218	static void noinline ecb_cold	3611	ecb_noinline ecb_cold
		3612	static void
3219	periodics_reschedule (EV_P)	3613	periodics_reschedule (EV_P)
3220	{	3614	{
3221	int i;	3615	int i;
3222		3616
3223	/* adjust periodics after time jump */	3617	/* adjust periodics after time jump */
…		…
3236	reheap (periodics, periodiccnt);	3630	reheap (periodics, periodiccnt);
3237	}	3631	}
3238	#endif	3632	#endif
3239		3633
3240	/* adjust all timers by a given offset */	3634	/* adjust all timers by a given offset */
3241	static void noinline ecb_cold	3635	ecb_noinline ecb_cold
		3636	static void
3242	timers_reschedule (EV_P_ ev_tstamp adjust)	3637	timers_reschedule (EV_P_ ev_tstamp adjust)
3243	{	3638	{
3244	int i;	3639	int i;
3245		3640
3246	for (i = 0; i < timercnt; ++i)	3641	for (i = 0; i < timercnt; ++i)
…		…
3255	/* also detect if there was a timejump, and act accordingly */	3650	/* also detect if there was a timejump, and act accordingly */
3256	inline_speed void	3651	inline_speed void
3257	time_update (EV_P_ ev_tstamp max_block)	3652	time_update (EV_P_ ev_tstamp max_block)
3258	{	3653	{
3259	#if EV_USE_MONOTONIC	3654	#if EV_USE_MONOTONIC
3260	if (expect_true (have_monotonic))	3655	if (ecb_expect_true (have_monotonic))
3261	{	3656	{
3262	int i;	3657	int i;
3263	ev_tstamp odiff = rtmn_diff;	3658	ev_tstamp odiff = rtmn_diff;
3264		3659
3265	mn_now = get_clock ();	3660	mn_now = get_clock ();
3266		3661
3267	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */	3662	/* only fetch the realtime clock every 0.5*MIN_TIMEJUMP seconds */
3268	/* interpolate in the meantime */	3663	/* interpolate in the meantime */
3269	if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))	3664	if (ecb_expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5))
3270	{	3665	{
3271	ev_rt_now = rtmn_diff + mn_now;	3666	ev_rt_now = rtmn_diff + mn_now;
3272	return;	3667	return;
3273	}	3668	}
3274		3669
…		…
3288	ev_tstamp diff;	3683	ev_tstamp diff;
3289	rtmn_diff = ev_rt_now - mn_now;	3684	rtmn_diff = ev_rt_now - mn_now;
3290		3685
3291	diff = odiff - rtmn_diff;	3686	diff = odiff - rtmn_diff;
3292		3687
3293	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))	3688	if (ecb_expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
3294	return; /* all is well */	3689	return; /* all is well */
3295		3690
3296	ev_rt_now = ev_time ();	3691	ev_rt_now = ev_time ();
3297	mn_now = get_clock ();	3692	mn_now = get_clock ();
3298	now_floor = mn_now;	3693	now_floor = mn_now;
…		…
3307	else	3702	else
3308	#endif	3703	#endif
3309	{	3704	{
3310	ev_rt_now = ev_time ();	3705	ev_rt_now = ev_time ();
3311		3706
3312	if (expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))	3707	if (ecb_expect_false (mn_now > ev_rt_now || ev_rt_now > mn_now + max_block + MIN_TIMEJUMP))
3313	{	3708	{
3314	/* adjust timers. this is easy, as the offset is the same for all of them */	3709	/* adjust timers. this is easy, as the offset is the same for all of them */
3315	timers_reschedule (EV_A_ ev_rt_now - mn_now);	3710	timers_reschedule (EV_A_ ev_rt_now - mn_now);
3316	#if EV_PERIODIC_ENABLE	3711	#if EV_PERIODIC_ENABLE
3317	periodics_reschedule (EV_A);	3712	periodics_reschedule (EV_A);
…		…
3340	#if EV_VERIFY >= 2	3735	#if EV_VERIFY >= 2
3341	ev_verify (EV_A);	3736	ev_verify (EV_A);
3342	#endif	3737	#endif
3343		3738
3344	#ifndef _WIN32	3739	#ifndef _WIN32
3345	if (expect_false (curpid)) /* penalise the forking check even more */	3740	if (ecb_expect_false (curpid)) /* penalise the forking check even more */
3346	if (expect_false (getpid () != curpid))	3741	if (ecb_expect_false (getpid () != curpid))
3347	{	3742	{
3348	curpid = getpid ();	3743	curpid = getpid ();
3349	postfork = 1;	3744	postfork = 1;
3350	}	3745	}
3351	#endif	3746	#endif
3352		3747
3353	#if EV_FORK_ENABLE	3748	#if EV_FORK_ENABLE
3354	/* we might have forked, so queue fork handlers */	3749	/* we might have forked, so queue fork handlers */
3355	if (expect_false (postfork))	3750	if (ecb_expect_false (postfork))
3356	if (forkcnt)	3751	if (forkcnt)
3357	{	3752	{
3358	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);	3753	queue_events (EV_A_ (W *)forks, forkcnt, EV_FORK);
3359	EV_INVOKE_PENDING;	3754	EV_INVOKE_PENDING;
3360	}	3755	}
3361	#endif	3756	#endif
3362		3757
3363	#if EV_PREPARE_ENABLE	3758	#if EV_PREPARE_ENABLE
3364	/* queue prepare watchers (and execute them) */	3759	/* queue prepare watchers (and execute them) */
3365	if (expect_false (preparecnt))	3760	if (ecb_expect_false (preparecnt))
3366	{	3761	{
3367	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);	3762	queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE);
3368	EV_INVOKE_PENDING;	3763	EV_INVOKE_PENDING;
3369	}	3764	}
3370	#endif	3765	#endif
3371		3766
3372	if (expect_false (loop_done))	3767	if (ecb_expect_false (loop_done))
3373	break;	3768	break;
3374		3769
3375	/* we might have forked, so reify kernel state if necessary */	3770	/* we might have forked, so reify kernel state if necessary */
3376	if (expect_false (postfork))	3771	if (ecb_expect_false (postfork))
3377	loop_fork (EV_A);	3772	loop_fork (EV_A);
3378		3773
3379	/* update fd-related kernel structures */	3774	/* update fd-related kernel structures */
3380	fd_reify (EV_A);	3775	fd_reify (EV_A);
3381		3776
…		…
3393	/* from now on, we want a pipe-wake-up */	3788	/* from now on, we want a pipe-wake-up */
3394	pipe_write_wanted = 1;	3789	pipe_write_wanted = 1;
3395		3790
3396	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */	3791	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
3397		3792
3398	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3793	if (ecb_expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
3399	{	3794	{
3400	waittime = MAX_BLOCKTIME;	3795	waittime = MAX_BLOCKTIME;
3401		3796
3402	if (timercnt)	3797	if (timercnt)
3403	{	3798	{
…		…
3412	if (waittime > to) waittime = to;	3807	if (waittime > to) waittime = to;
3413	}	3808	}
3414	#endif	3809	#endif
3415		3810
3416	/* don't let timeouts decrease the waittime below timeout_blocktime */	3811	/* don't let timeouts decrease the waittime below timeout_blocktime */
3417	if (expect_false (waittime < timeout_blocktime))	3812	if (ecb_expect_false (waittime < timeout_blocktime))
3418	waittime = timeout_blocktime;	3813	waittime = timeout_blocktime;
3419		3814
3420	/* at this point, we NEED to wait, so we have to ensure */	3815	/* at this point, we NEED to wait, so we have to ensure */
3421	/* to pass a minimum nonzero value to the backend */	3816	/* to pass a minimum nonzero value to the backend */
3422	if (expect_false (waittime < backend_mintime))	3817	if (ecb_expect_false (waittime < backend_mintime))
3423	waittime = backend_mintime;	3818	waittime = backend_mintime;
3424		3819
3425	/* extra check because io_blocktime is commonly 0 */	3820	/* extra check because io_blocktime is commonly 0 */
3426	if (expect_false (io_blocktime))	3821	if (ecb_expect_false (io_blocktime))
3427	{	3822	{
3428	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3823	sleeptime = io_blocktime - (mn_now - prev_mn_now);
3429		3824
3430	if (sleeptime > waittime - backend_mintime)	3825	if (sleeptime > waittime - backend_mintime)
3431	sleeptime = waittime - backend_mintime;	3826	sleeptime = waittime - backend_mintime;
3432		3827
3433	if (expect_true (sleeptime > 0.))	3828	if (ecb_expect_true (sleeptime > 0.))
3434	{	3829	{
3435	ev_sleep (sleeptime);	3830	ev_sleep (sleeptime);
3436	waittime -= sleeptime;	3831	waittime -= sleeptime;
3437	}	3832	}
3438	}	3833	}
…		…
3452	{	3847	{
3453	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3848	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3454	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3849	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3455	}	3850	}
3456		3851
3457
3458	/* update ev_rt_now, do magic */	3852	/* update ev_rt_now, do magic */
3459	time_update (EV_A_ waittime + sleeptime);	3853	time_update (EV_A_ waittime + sleeptime);
3460	}	3854	}
3461		3855
3462	/* queue pending timers and reschedule them */	3856	/* queue pending timers and reschedule them */
…		…
3470	idle_reify (EV_A);	3864	idle_reify (EV_A);
3471	#endif	3865	#endif
3472		3866
3473	#if EV_CHECK_ENABLE	3867	#if EV_CHECK_ENABLE
3474	/* queue check watchers, to be executed first */	3868	/* queue check watchers, to be executed first */
3475	if (expect_false (checkcnt))	3869	if (ecb_expect_false (checkcnt))
3476	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);	3870	queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK);
3477	#endif	3871	#endif
3478		3872
3479	EV_INVOKE_PENDING;	3873	EV_INVOKE_PENDING;
3480	}	3874	}
3481	while (expect_true (	3875	while (ecb_expect_true (
3482	activecnt	3876	activecnt
3483	&& !loop_done	3877	&& !loop_done
3484	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))	3878	&& !(flags & (EVRUN_ONCE | EVRUN_NOWAIT))
3485	));	3879	));
3486		3880
…		…
3493		3887
3494	return activecnt;	3888	return activecnt;
3495	}	3889	}
3496		3890
3497	void	3891	void
3498	ev_break (EV_P_ int how) EV_THROW	3892	ev_break (EV_P_ int how) EV_NOEXCEPT
3499	{	3893	{
3500	loop_done = how;	3894	loop_done = how;
3501	}	3895	}
3502		3896
3503	void	3897	void
3504	ev_ref (EV_P) EV_THROW	3898	ev_ref (EV_P) EV_NOEXCEPT
3505	{	3899	{
3506	++activecnt;	3900	++activecnt;
3507	}	3901	}
3508		3902
3509	void	3903	void
3510	ev_unref (EV_P) EV_THROW	3904	ev_unref (EV_P) EV_NOEXCEPT
3511	{	3905	{
3512	--activecnt;	3906	--activecnt;
3513	}	3907	}
3514		3908
3515	void	3909	void
3516	ev_now_update (EV_P) EV_THROW	3910	ev_now_update (EV_P) EV_NOEXCEPT
3517	{	3911	{
3518	time_update (EV_A_ 1e100);	3912	time_update (EV_A_ 1e100);
3519	}	3913	}
3520		3914
3521	void	3915	void
3522	ev_suspend (EV_P) EV_THROW	3916	ev_suspend (EV_P) EV_NOEXCEPT
3523	{	3917	{
3524	ev_now_update (EV_A);	3918	ev_now_update (EV_A);
3525	}	3919	}
3526		3920
3527	void	3921	void
3528	ev_resume (EV_P) EV_THROW	3922	ev_resume (EV_P) EV_NOEXCEPT
3529	{	3923	{
3530	ev_tstamp mn_prev = mn_now;	3924	ev_tstamp mn_prev = mn_now;
3531		3925
3532	ev_now_update (EV_A);	3926	ev_now_update (EV_A);
3533	timers_reschedule (EV_A_ mn_now - mn_prev);	3927	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3550	inline_size void	3944	inline_size void
3551	wlist_del (WL *head, WL elem)	3945	wlist_del (WL *head, WL elem)
3552	{	3946	{
3553	while (*head)	3947	while (*head)
3554	{	3948	{
3555	if (expect_true (*head == elem))	3949	if (ecb_expect_true (*head == elem))
3556	{	3950	{
3557	*head = elem->next;	3951	*head = elem->next;
3558	break;	3952	break;
3559	}	3953	}
3560		3954
…		…
3572	w->pending = 0;	3966	w->pending = 0;
3573	}	3967	}
3574	}	3968	}
3575		3969
3576	int	3970	int
3577	ev_clear_pending (EV_P_ void *w) EV_THROW	3971	ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3578	{	3972	{
3579	W w_ = (W)w;	3973	W w_ = (W)w;
3580	int pending = w_->pending;	3974	int pending = w_->pending;
3581		3975
3582	if (expect_true (pending))	3976	if (ecb_expect_true (pending))
3583	{	3977	{
3584	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;	3978	ANPENDING *p = pendings [ABSPRI (w_)] + pending - 1;
3585	p->w = (W)&pending_w;	3979	p->w = (W)&pending_w;
3586	w_->pending = 0;	3980	w_->pending = 0;
3587	return p->events;	3981	return p->events;
…		…
3614	w->active = 0;	4008	w->active = 0;
3615	}	4009	}
3616		4010
3617	/*****************************************************************************/	4011	/*****************************************************************************/
3618		4012
3619	void noinline	4013	ecb_noinline
		4014	void
3620	ev_io_start (EV_P_ ev_io *w) EV_THROW	4015	ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3621	{	4016	{
3622	int fd = w->fd;	4017	int fd = w->fd;
3623		4018
3624	if (expect_false (ev_is_active (w)))	4019	if (ecb_expect_false (ev_is_active (w)))
3625	return;	4020	return;
3626		4021
3627	assert (("libev: ev_io_start called with negative fd", fd >= 0));	4022	assert (("libev: ev_io_start called with negative fd", fd >= 0));
3628	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));	4023	assert (("libev: ev_io_start called with illegal event mask", !(w->events & ~(EV__IOFDSET | EV_READ | EV_WRITE))));
3629		4024
		4025	#if EV_VERIFY >= 2
		4026	assert (("libev: ev_io_start called on watcher with invalid fd", fd_valid (fd)));
		4027	#endif
3630	EV_FREQUENT_CHECK;	4028	EV_FREQUENT_CHECK;
3631		4029
3632	ev_start (EV_A_ (W)w, 1);	4030	ev_start (EV_A_ (W)w, 1);
3633	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	4031	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_needsize_zerofill);
3634	wlist_add (&anfds[fd].head, (WL)w);	4032	wlist_add (&anfds[fd].head, (WL)w);
3635		4033
3636	/* common bug, apparently */	4034	/* common bug, apparently */
3637	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));	4035	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
3638		4036
…		…
3640	w->events &= ~EV__IOFDSET;	4038	w->events &= ~EV__IOFDSET;
3641		4039
3642	EV_FREQUENT_CHECK;	4040	EV_FREQUENT_CHECK;
3643	}	4041	}
3644		4042
3645	void noinline	4043	ecb_noinline
		4044	void
3646	ev_io_stop (EV_P_ ev_io *w) EV_THROW	4045	ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3647	{	4046	{
3648	clear_pending (EV_A_ (W)w);	4047	clear_pending (EV_A_ (W)w);
3649	if (expect_false (!ev_is_active (w)))	4048	if (ecb_expect_false (!ev_is_active (w)))
3650	return;	4049	return;
3651		4050
3652	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));	4051	assert (("libev: ev_io_stop called with illegal fd (must stay constant after start!)", w->fd >= 0 && w->fd < anfdmax));
3653		4052
		4053	#if EV_VERIFY >= 2
		4054	assert (("libev: ev_io_stop called on watcher with invalid fd", fd_valid (w->fd)));
		4055	#endif
3654	EV_FREQUENT_CHECK;	4056	EV_FREQUENT_CHECK;
3655		4057
3656	wlist_del (&anfds[w->fd].head, (WL)w);	4058	wlist_del (&anfds[w->fd].head, (WL)w);
3657	ev_stop (EV_A_ (W)w);	4059	ev_stop (EV_A_ (W)w);
3658		4060
3659	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);	4061	fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3660		4062
3661	EV_FREQUENT_CHECK;	4063	EV_FREQUENT_CHECK;
3662	}	4064	}
3663		4065
3664	void noinline	4066	ecb_noinline
		4067	void
3665	ev_timer_start (EV_P_ ev_timer *w) EV_THROW	4068	ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3666	{	4069	{
3667	if (expect_false (ev_is_active (w)))	4070	if (ecb_expect_false (ev_is_active (w)))
3668	return;	4071	return;
3669		4072
3670	ev_at (w) += mn_now;	4073	ev_at (w) += mn_now;
3671		4074
3672	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));	4075	assert (("libev: ev_timer_start called with negative timer repeat value", w->repeat >= 0.));
3673		4076
3674	EV_FREQUENT_CHECK;	4077	EV_FREQUENT_CHECK;
3675		4078
3676	++timercnt;	4079	++timercnt;
3677	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);	4080	ev_start (EV_A_ (W)w, timercnt + HEAP0 - 1);
3678	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, EMPTY2);	4081	array_needsize (ANHE, timers, timermax, ev_active (w) + 1, array_needsize_noinit);
3679	ANHE_w (timers [ev_active (w)]) = (WT)w;	4082	ANHE_w (timers [ev_active (w)]) = (WT)w;
3680	ANHE_at_cache (timers [ev_active (w)]);	4083	ANHE_at_cache (timers [ev_active (w)]);
3681	upheap (timers, ev_active (w));	4084	upheap (timers, ev_active (w));
3682		4085
3683	EV_FREQUENT_CHECK;	4086	EV_FREQUENT_CHECK;
3684		4087
3685	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	4088	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3686	}	4089	}
3687		4090
3688	void noinline	4091	ecb_noinline
		4092	void
3689	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW	4093	ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3690	{	4094	{
3691	clear_pending (EV_A_ (W)w);	4095	clear_pending (EV_A_ (W)w);
3692	if (expect_false (!ev_is_active (w)))	4096	if (ecb_expect_false (!ev_is_active (w)))
3693	return;	4097	return;
3694		4098
3695	EV_FREQUENT_CHECK;	4099	EV_FREQUENT_CHECK;
3696		4100
3697	{	4101	{
…		…
3699		4103
3700	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));	4104	assert (("libev: internal timer heap corruption", ANHE_w (timers [active]) == (WT)w));
3701		4105
3702	--timercnt;	4106	--timercnt;
3703		4107
3704	if (expect_true (active < timercnt + HEAP0))	4108	if (ecb_expect_true (active < timercnt + HEAP0))
3705	{	4109	{
3706	timers [active] = timers [timercnt + HEAP0];	4110	timers [active] = timers [timercnt + HEAP0];
3707	adjustheap (timers, timercnt, active);	4111	adjustheap (timers, timercnt, active);
3708	}	4112	}
3709	}	4113	}
…		…
3713	ev_stop (EV_A_ (W)w);	4117	ev_stop (EV_A_ (W)w);
3714		4118
3715	EV_FREQUENT_CHECK;	4119	EV_FREQUENT_CHECK;
3716	}	4120	}
3717		4121
3718	void noinline	4122	ecb_noinline
		4123	void
3719	ev_timer_again (EV_P_ ev_timer *w) EV_THROW	4124	ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3720	{	4125	{
3721	EV_FREQUENT_CHECK;	4126	EV_FREQUENT_CHECK;
3722		4127
3723	clear_pending (EV_A_ (W)w);	4128	clear_pending (EV_A_ (W)w);
3724		4129
…		…
3741		4146
3742	EV_FREQUENT_CHECK;	4147	EV_FREQUENT_CHECK;
3743	}	4148	}
3744		4149
3745	ev_tstamp	4150	ev_tstamp
3746	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW	4151	ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3747	{	4152	{
3748	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	4153	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3749	}	4154	}
3750		4155
3751	#if EV_PERIODIC_ENABLE	4156	#if EV_PERIODIC_ENABLE
3752	void noinline	4157	ecb_noinline
		4158	void
3753	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW	4159	ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3754	{	4160	{
3755	if (expect_false (ev_is_active (w)))	4161	if (ecb_expect_false (ev_is_active (w)))
3756	return;	4162	return;
3757		4163
3758	if (w->reschedule_cb)	4164	if (w->reschedule_cb)
3759	ev_at (w) = w->reschedule_cb (w, ev_rt_now);	4165	ev_at (w) = w->reschedule_cb (w, ev_rt_now);
3760	else if (w->interval)	4166	else if (w->interval)
…		…
3767		4173
3768	EV_FREQUENT_CHECK;	4174	EV_FREQUENT_CHECK;
3769		4175
3770	++periodiccnt;	4176	++periodiccnt;
3771	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);	4177	ev_start (EV_A_ (W)w, periodiccnt + HEAP0 - 1);
3772	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, EMPTY2);	4178	array_needsize (ANHE, periodics, periodicmax, ev_active (w) + 1, array_needsize_noinit);
3773	ANHE_w (periodics [ev_active (w)]) = (WT)w;	4179	ANHE_w (periodics [ev_active (w)]) = (WT)w;
3774	ANHE_at_cache (periodics [ev_active (w)]);	4180	ANHE_at_cache (periodics [ev_active (w)]);
3775	upheap (periodics, ev_active (w));	4181	upheap (periodics, ev_active (w));
3776		4182
3777	EV_FREQUENT_CHECK;	4183	EV_FREQUENT_CHECK;
3778		4184
3779	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	4185	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3780	}	4186	}
3781		4187
3782	void noinline	4188	ecb_noinline
		4189	void
3783	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW	4190	ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3784	{	4191	{
3785	clear_pending (EV_A_ (W)w);	4192	clear_pending (EV_A_ (W)w);
3786	if (expect_false (!ev_is_active (w)))	4193	if (ecb_expect_false (!ev_is_active (w)))
3787	return;	4194	return;
3788		4195
3789	EV_FREQUENT_CHECK;	4196	EV_FREQUENT_CHECK;
3790		4197
3791	{	4198	{
…		…
3793		4200
3794	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));	4201	assert (("libev: internal periodic heap corruption", ANHE_w (periodics [active]) == (WT)w));
3795		4202
3796	--periodiccnt;	4203	--periodiccnt;
3797		4204
3798	if (expect_true (active < periodiccnt + HEAP0))	4205	if (ecb_expect_true (active < periodiccnt + HEAP0))
3799	{	4206	{
3800	periodics [active] = periodics [periodiccnt + HEAP0];	4207	periodics [active] = periodics [periodiccnt + HEAP0];
3801	adjustheap (periodics, periodiccnt, active);	4208	adjustheap (periodics, periodiccnt, active);
3802	}	4209	}
3803	}	4210	}
…		…
3805	ev_stop (EV_A_ (W)w);	4212	ev_stop (EV_A_ (W)w);
3806		4213
3807	EV_FREQUENT_CHECK;	4214	EV_FREQUENT_CHECK;
3808	}	4215	}
3809		4216
3810	void noinline	4217	ecb_noinline
		4218	void
3811	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW	4219	ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3812	{	4220	{
3813	/* TODO: use adjustheap and recalculation */	4221	/* TODO: use adjustheap and recalculation */
3814	ev_periodic_stop (EV_A_ w);	4222	ev_periodic_stop (EV_A_ w);
3815	ev_periodic_start (EV_A_ w);	4223	ev_periodic_start (EV_A_ w);
3816	}	4224	}
…		…
3820	# define SA_RESTART 0	4228	# define SA_RESTART 0
3821	#endif	4229	#endif
3822		4230
3823	#if EV_SIGNAL_ENABLE	4231	#if EV_SIGNAL_ENABLE
3824		4232
3825	void noinline	4233	ecb_noinline
		4234	void
3826	ev_signal_start (EV_P_ ev_signal *w) EV_THROW	4235	ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3827	{	4236	{
3828	if (expect_false (ev_is_active (w)))	4237	if (ecb_expect_false (ev_is_active (w)))
3829	return;	4238	return;
3830		4239
3831	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	4240	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3832		4241
3833	#if EV_MULTIPLICITY	4242	#if EV_MULTIPLICITY
…		…
3902	}	4311	}
3903		4312
3904	EV_FREQUENT_CHECK;	4313	EV_FREQUENT_CHECK;
3905	}	4314	}
3906		4315
3907	void noinline	4316	ecb_noinline
		4317	void
3908	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW	4318	ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3909	{	4319	{
3910	clear_pending (EV_A_ (W)w);	4320	clear_pending (EV_A_ (W)w);
3911	if (expect_false (!ev_is_active (w)))	4321	if (ecb_expect_false (!ev_is_active (w)))
3912	return;	4322	return;
3913		4323
3914	EV_FREQUENT_CHECK;	4324	EV_FREQUENT_CHECK;
3915		4325
3916	wlist_del (&signals [w->signum - 1].head, (WL)w);	4326	wlist_del (&signals [w->signum - 1].head, (WL)w);
…		…
3944	#endif	4354	#endif
3945		4355
3946	#if EV_CHILD_ENABLE	4356	#if EV_CHILD_ENABLE
3947		4357
3948	void	4358	void
3949	ev_child_start (EV_P_ ev_child *w) EV_THROW	4359	ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3950	{	4360	{
3951	#if EV_MULTIPLICITY	4361	#if EV_MULTIPLICITY
3952	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	4362	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3953	#endif	4363	#endif
3954	if (expect_false (ev_is_active (w)))	4364	if (ecb_expect_false (ev_is_active (w)))
3955	return;	4365	return;
3956		4366
3957	EV_FREQUENT_CHECK;	4367	EV_FREQUENT_CHECK;
3958		4368
3959	ev_start (EV_A_ (W)w, 1);	4369	ev_start (EV_A_ (W)w, 1);
…		…
3961		4371
3962	EV_FREQUENT_CHECK;	4372	EV_FREQUENT_CHECK;
3963	}	4373	}
3964		4374
3965	void	4375	void
3966	ev_child_stop (EV_P_ ev_child *w) EV_THROW	4376	ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
3967	{	4377	{
3968	clear_pending (EV_A_ (W)w);	4378	clear_pending (EV_A_ (W)w);
3969	if (expect_false (!ev_is_active (w)))	4379	if (ecb_expect_false (!ev_is_active (w)))
3970	return;	4380	return;
3971		4381
3972	EV_FREQUENT_CHECK;	4382	EV_FREQUENT_CHECK;
3973		4383
3974	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);	4384	wlist_del (&childs [w->pid & ((EV_PID_HASHSIZE) - 1)], (WL)w);
…		…
3988		4398
3989	#define DEF_STAT_INTERVAL 5.0074891	4399	#define DEF_STAT_INTERVAL 5.0074891
3990	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */	4400	#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
3991	#define MIN_STAT_INTERVAL 0.1074891	4401	#define MIN_STAT_INTERVAL 0.1074891
3992		4402
3993	static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents);	4403	ecb_noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
3994		4404
3995	#if EV_USE_INOTIFY	4405	#if EV_USE_INOTIFY
3996		4406
3997	/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */	4407	/* 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)	4408	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3999		4409
4000	static void noinline	4410	ecb_noinline
		4411	static void
4001	infy_add (EV_P_ ev_stat *w)	4412	infy_add (EV_P_ ev_stat *w)
4002	{	4413	{
4003	w->wd = inotify_add_watch (fs_fd, w->path,	4414	w->wd = inotify_add_watch (fs_fd, w->path,
4004	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY	4415	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4005	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO	4416	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
…		…
4069	if (ev_is_active (&w->timer)) ev_ref (EV_A);	4480	if (ev_is_active (&w->timer)) ev_ref (EV_A);
4070	ev_timer_again (EV_A_ &w->timer);	4481	ev_timer_again (EV_A_ &w->timer);
4071	if (ev_is_active (&w->timer)) ev_unref (EV_A);	4482	if (ev_is_active (&w->timer)) ev_unref (EV_A);
4072	}	4483	}
4073		4484
4074	static void noinline	4485	ecb_noinline
		4486	static void
4075	infy_del (EV_P_ ev_stat *w)	4487	infy_del (EV_P_ ev_stat *w)
4076	{	4488	{
4077	int slot;	4489	int slot;
4078	int wd = w->wd;	4490	int wd = w->wd;
4079		4491
…		…
4086		4498
4087	/* remove this watcher, if others are watching it, they will rearm */	4499	/* remove this watcher, if others are watching it, they will rearm */
4088	inotify_rm_watch (fs_fd, wd);	4500	inotify_rm_watch (fs_fd, wd);
4089	}	4501	}
4090		4502
4091	static void noinline	4503	ecb_noinline
		4504	static void
4092	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)	4505	infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4093	{	4506	{
4094	if (slot < 0)	4507	if (slot < 0)
4095	/* overflow, need to check for all hash slots */	4508	/* overflow, need to check for all hash slots */
4096	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)	4509	for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
…		…
4132	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4545	infy_wd (EV_A_ ev->wd, ev->wd, ev);
4133	ofs += sizeof (struct inotify_event) + ev->len;	4546	ofs += sizeof (struct inotify_event) + ev->len;
4134	}	4547	}
4135	}	4548	}
4136		4549
4137	inline_size void ecb_cold	4550	inline_size ecb_cold
		4551	void
4138	ev_check_2625 (EV_P)	4552	ev_check_2625 (EV_P)
4139	{	4553	{
4140	/* kernels < 2.6.25 are borked	4554	/* kernels < 2.6.25 are borked
4141	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4555	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4142	*/	4556	*/
…		…
4232	#else	4646	#else
4233	# define EV_LSTAT(p,b) lstat (p, b)	4647	# define EV_LSTAT(p,b) lstat (p, b)
4234	#endif	4648	#endif
4235		4649
4236	void	4650	void
4237	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW	4651	ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4238	{	4652	{
4239	if (lstat (w->path, &w->attr) < 0)	4653	if (lstat (w->path, &w->attr) < 0)
4240	w->attr.st_nlink = 0;	4654	w->attr.st_nlink = 0;
4241	else if (!w->attr.st_nlink)	4655	else if (!w->attr.st_nlink)
4242	w->attr.st_nlink = 1;	4656	w->attr.st_nlink = 1;
4243	}	4657	}
4244		4658
4245	static void noinline	4659	ecb_noinline
		4660	static void
4246	stat_timer_cb (EV_P_ ev_timer *w_, int revents)	4661	stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4247	{	4662	{
4248	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));	4663	ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4249		4664
4250	ev_statdata prev = w->attr;	4665	ev_statdata prev = w->attr;
…		…
4281	ev_feed_event (EV_A_ w, EV_STAT);	4696	ev_feed_event (EV_A_ w, EV_STAT);
4282	}	4697	}
4283	}	4698	}
4284		4699
4285	void	4700	void
4286	ev_stat_start (EV_P_ ev_stat *w) EV_THROW	4701	ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4287	{	4702	{
4288	if (expect_false (ev_is_active (w)))	4703	if (ecb_expect_false (ev_is_active (w)))
4289	return;	4704	return;
4290		4705
4291	ev_stat_stat (EV_A_ w);	4706	ev_stat_stat (EV_A_ w);
4292		4707
4293	if (w->interval < MIN_STAT_INTERVAL && w->interval)	4708	if (w->interval < MIN_STAT_INTERVAL && w->interval)
…		…
4312		4727
4313	EV_FREQUENT_CHECK;	4728	EV_FREQUENT_CHECK;
4314	}	4729	}
4315		4730
4316	void	4731	void
4317	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW	4732	ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4318	{	4733	{
4319	clear_pending (EV_A_ (W)w);	4734	clear_pending (EV_A_ (W)w);
4320	if (expect_false (!ev_is_active (w)))	4735	if (ecb_expect_false (!ev_is_active (w)))
4321	return;	4736	return;
4322		4737
4323	EV_FREQUENT_CHECK;	4738	EV_FREQUENT_CHECK;
4324		4739
4325	#if EV_USE_INOTIFY	4740	#if EV_USE_INOTIFY
…		…
4338	}	4753	}
4339	#endif	4754	#endif
4340		4755
4341	#if EV_IDLE_ENABLE	4756	#if EV_IDLE_ENABLE
4342	void	4757	void
4343	ev_idle_start (EV_P_ ev_idle *w) EV_THROW	4758	ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4344	{	4759	{
4345	if (expect_false (ev_is_active (w)))	4760	if (ecb_expect_false (ev_is_active (w)))
4346	return;	4761	return;
4347		4762
4348	pri_adjust (EV_A_ (W)w);	4763	pri_adjust (EV_A_ (W)w);
4349		4764
4350	EV_FREQUENT_CHECK;	4765	EV_FREQUENT_CHECK;
…		…
4353	int active = ++idlecnt [ABSPRI (w)];	4768	int active = ++idlecnt [ABSPRI (w)];
4354		4769
4355	++idleall;	4770	++idleall;
4356	ev_start (EV_A_ (W)w, active);	4771	ev_start (EV_A_ (W)w, active);
4357		4772
4358	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, EMPTY2);	4773	array_needsize (ev_idle *, idles [ABSPRI (w)], idlemax [ABSPRI (w)], active, array_needsize_noinit);
4359	idles [ABSPRI (w)][active - 1] = w;	4774	idles [ABSPRI (w)][active - 1] = w;
4360	}	4775	}
4361		4776
4362	EV_FREQUENT_CHECK;	4777	EV_FREQUENT_CHECK;
4363	}	4778	}
4364		4779
4365	void	4780	void
4366	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW	4781	ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4367	{	4782	{
4368	clear_pending (EV_A_ (W)w);	4783	clear_pending (EV_A_ (W)w);
4369	if (expect_false (!ev_is_active (w)))	4784	if (ecb_expect_false (!ev_is_active (w)))
4370	return;	4785	return;
4371		4786
4372	EV_FREQUENT_CHECK;	4787	EV_FREQUENT_CHECK;
4373		4788
4374	{	4789	{
…		…
4385	}	4800	}
4386	#endif	4801	#endif
4387		4802
4388	#if EV_PREPARE_ENABLE	4803	#if EV_PREPARE_ENABLE
4389	void	4804	void
4390	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW	4805	ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4391	{	4806	{
4392	if (expect_false (ev_is_active (w)))	4807	if (ecb_expect_false (ev_is_active (w)))
4393	return;	4808	return;
4394		4809
4395	EV_FREQUENT_CHECK;	4810	EV_FREQUENT_CHECK;
4396		4811
4397	ev_start (EV_A_ (W)w, ++preparecnt);	4812	ev_start (EV_A_ (W)w, ++preparecnt);
4398	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, EMPTY2);	4813	array_needsize (ev_prepare *, prepares, preparemax, preparecnt, array_needsize_noinit);
4399	prepares [preparecnt - 1] = w;	4814	prepares [preparecnt - 1] = w;
4400		4815
4401	EV_FREQUENT_CHECK;	4816	EV_FREQUENT_CHECK;
4402	}	4817	}
4403		4818
4404	void	4819	void
4405	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW	4820	ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4406	{	4821	{
4407	clear_pending (EV_A_ (W)w);	4822	clear_pending (EV_A_ (W)w);
4408	if (expect_false (!ev_is_active (w)))	4823	if (ecb_expect_false (!ev_is_active (w)))
4409	return;	4824	return;
4410		4825
4411	EV_FREQUENT_CHECK;	4826	EV_FREQUENT_CHECK;
4412		4827
4413	{	4828	{
…		…
4423	}	4838	}
4424	#endif	4839	#endif
4425		4840
4426	#if EV_CHECK_ENABLE	4841	#if EV_CHECK_ENABLE
4427	void	4842	void
4428	ev_check_start (EV_P_ ev_check *w) EV_THROW	4843	ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4429	{	4844	{
4430	if (expect_false (ev_is_active (w)))	4845	if (ecb_expect_false (ev_is_active (w)))
4431	return;	4846	return;
4432		4847
4433	EV_FREQUENT_CHECK;	4848	EV_FREQUENT_CHECK;
4434		4849
4435	ev_start (EV_A_ (W)w, ++checkcnt);	4850	ev_start (EV_A_ (W)w, ++checkcnt);
4436	array_needsize (ev_check *, checks, checkmax, checkcnt, EMPTY2);	4851	array_needsize (ev_check *, checks, checkmax, checkcnt, array_needsize_noinit);
4437	checks [checkcnt - 1] = w;	4852	checks [checkcnt - 1] = w;
4438		4853
4439	EV_FREQUENT_CHECK;	4854	EV_FREQUENT_CHECK;
4440	}	4855	}
4441		4856
4442	void	4857	void
4443	ev_check_stop (EV_P_ ev_check *w) EV_THROW	4858	ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4444	{	4859	{
4445	clear_pending (EV_A_ (W)w);	4860	clear_pending (EV_A_ (W)w);
4446	if (expect_false (!ev_is_active (w)))	4861	if (ecb_expect_false (!ev_is_active (w)))
4447	return;	4862	return;
4448		4863
4449	EV_FREQUENT_CHECK;	4864	EV_FREQUENT_CHECK;
4450		4865
4451	{	4866	{
…		…
4460	EV_FREQUENT_CHECK;	4875	EV_FREQUENT_CHECK;
4461	}	4876	}
4462	#endif	4877	#endif
4463		4878
4464	#if EV_EMBED_ENABLE	4879	#if EV_EMBED_ENABLE
4465	void noinline	4880	ecb_noinline
		4881	void
4466	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW	4882	ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4467	{	4883	{
4468	ev_run (w->other, EVRUN_NOWAIT);	4884	ev_run (w->other, EVRUN_NOWAIT);
4469	}	4885	}
4470		4886
4471	static void	4887	static void
…		…
4519	ev_idle_stop (EV_A_ idle);	4935	ev_idle_stop (EV_A_ idle);
4520	}	4936	}
4521	#endif	4937	#endif
4522		4938
4523	void	4939	void
4524	ev_embed_start (EV_P_ ev_embed *w) EV_THROW	4940	ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4525	{	4941	{
4526	if (expect_false (ev_is_active (w)))	4942	if (ecb_expect_false (ev_is_active (w)))
4527	return;	4943	return;
4528		4944
4529	{	4945	{
4530	EV_P = w->other;	4946	EV_P = w->other;
4531	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));	4947	assert (("libev: loop to be embedded is not embeddable", backend & ev_embeddable_backends ()));
…		…
4550		4966
4551	EV_FREQUENT_CHECK;	4967	EV_FREQUENT_CHECK;
4552	}	4968	}
4553		4969
4554	void	4970	void
4555	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW	4971	ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4556	{	4972	{
4557	clear_pending (EV_A_ (W)w);	4973	clear_pending (EV_A_ (W)w);
4558	if (expect_false (!ev_is_active (w)))	4974	if (ecb_expect_false (!ev_is_active (w)))
4559	return;	4975	return;
4560		4976
4561	EV_FREQUENT_CHECK;	4977	EV_FREQUENT_CHECK;
4562		4978
4563	ev_io_stop (EV_A_ &w->io);	4979	ev_io_stop (EV_A_ &w->io);
…		…
4570	}	4986	}
4571	#endif	4987	#endif
4572		4988
4573	#if EV_FORK_ENABLE	4989	#if EV_FORK_ENABLE
4574	void	4990	void
4575	ev_fork_start (EV_P_ ev_fork *w) EV_THROW	4991	ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4576	{	4992	{
4577	if (expect_false (ev_is_active (w)))	4993	if (ecb_expect_false (ev_is_active (w)))
4578	return;	4994	return;
4579		4995
4580	EV_FREQUENT_CHECK;	4996	EV_FREQUENT_CHECK;
4581		4997
4582	ev_start (EV_A_ (W)w, ++forkcnt);	4998	ev_start (EV_A_ (W)w, ++forkcnt);
4583	array_needsize (ev_fork *, forks, forkmax, forkcnt, EMPTY2);	4999	array_needsize (ev_fork *, forks, forkmax, forkcnt, array_needsize_noinit);
4584	forks [forkcnt - 1] = w;	5000	forks [forkcnt - 1] = w;
4585		5001
4586	EV_FREQUENT_CHECK;	5002	EV_FREQUENT_CHECK;
4587	}	5003	}
4588		5004
4589	void	5005	void
4590	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW	5006	ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4591	{	5007	{
4592	clear_pending (EV_A_ (W)w);	5008	clear_pending (EV_A_ (W)w);
4593	if (expect_false (!ev_is_active (w)))	5009	if (ecb_expect_false (!ev_is_active (w)))
4594	return;	5010	return;
4595		5011
4596	EV_FREQUENT_CHECK;	5012	EV_FREQUENT_CHECK;
4597		5013
4598	{	5014	{
…		…
4608	}	5024	}
4609	#endif	5025	#endif
4610		5026
4611	#if EV_CLEANUP_ENABLE	5027	#if EV_CLEANUP_ENABLE
4612	void	5028	void
4613	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW	5029	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4614	{	5030	{
4615	if (expect_false (ev_is_active (w)))	5031	if (ecb_expect_false (ev_is_active (w)))
4616	return;	5032	return;
4617		5033
4618	EV_FREQUENT_CHECK;	5034	EV_FREQUENT_CHECK;
4619		5035
4620	ev_start (EV_A_ (W)w, ++cleanupcnt);	5036	ev_start (EV_A_ (W)w, ++cleanupcnt);
4621	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, EMPTY2);	5037	array_needsize (ev_cleanup *, cleanups, cleanupmax, cleanupcnt, array_needsize_noinit);
4622	cleanups [cleanupcnt - 1] = w;	5038	cleanups [cleanupcnt - 1] = w;
4623		5039
4624	/* cleanup watchers should never keep a refcount on the loop */	5040	/* cleanup watchers should never keep a refcount on the loop */
4625	ev_unref (EV_A);	5041	ev_unref (EV_A);
4626	EV_FREQUENT_CHECK;	5042	EV_FREQUENT_CHECK;
4627	}	5043	}
4628		5044
4629	void	5045	void
4630	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW	5046	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4631	{	5047	{
4632	clear_pending (EV_A_ (W)w);	5048	clear_pending (EV_A_ (W)w);
4633	if (expect_false (!ev_is_active (w)))	5049	if (ecb_expect_false (!ev_is_active (w)))
4634	return;	5050	return;
4635		5051
4636	EV_FREQUENT_CHECK;	5052	EV_FREQUENT_CHECK;
4637	ev_ref (EV_A);	5053	ev_ref (EV_A);
4638		5054
…		…
4649	}	5065	}
4650	#endif	5066	#endif
4651		5067
4652	#if EV_ASYNC_ENABLE	5068	#if EV_ASYNC_ENABLE
4653	void	5069	void
4654	ev_async_start (EV_P_ ev_async *w) EV_THROW	5070	ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4655	{	5071	{
4656	if (expect_false (ev_is_active (w)))	5072	if (ecb_expect_false (ev_is_active (w)))
4657	return;	5073	return;
4658		5074
4659	w->sent = 0;	5075	w->sent = 0;
4660		5076
4661	evpipe_init (EV_A);	5077	evpipe_init (EV_A);
4662		5078
4663	EV_FREQUENT_CHECK;	5079	EV_FREQUENT_CHECK;
4664		5080
4665	ev_start (EV_A_ (W)w, ++asynccnt);	5081	ev_start (EV_A_ (W)w, ++asynccnt);
4666	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, EMPTY2);	5082	array_needsize (ev_async *, asyncs, asyncmax, asynccnt, array_needsize_noinit);
4667	asyncs [asynccnt - 1] = w;	5083	asyncs [asynccnt - 1] = w;
4668		5084
4669	EV_FREQUENT_CHECK;	5085	EV_FREQUENT_CHECK;
4670	}	5086	}
4671		5087
4672	void	5088	void
4673	ev_async_stop (EV_P_ ev_async *w) EV_THROW	5089	ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4674	{	5090	{
4675	clear_pending (EV_A_ (W)w);	5091	clear_pending (EV_A_ (W)w);
4676	if (expect_false (!ev_is_active (w)))	5092	if (ecb_expect_false (!ev_is_active (w)))
4677	return;	5093	return;
4678		5094
4679	EV_FREQUENT_CHECK;	5095	EV_FREQUENT_CHECK;
4680		5096
4681	{	5097	{
…		…
4689		5105
4690	EV_FREQUENT_CHECK;	5106	EV_FREQUENT_CHECK;
4691	}	5107	}
4692		5108
4693	void	5109	void
4694	ev_async_send (EV_P_ ev_async *w) EV_THROW	5110	ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4695	{	5111	{
4696	w->sent = 1;	5112	w->sent = 1;
4697	evpipe_write (EV_A_ &async_pending);	5113	evpipe_write (EV_A_ &async_pending);
4698	}	5114	}
4699	#endif	5115	#endif
…		…
4736		5152
4737	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	5153	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4738	}	5154	}
4739		5155
4740	void	5156	void
4741	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW	5157	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4742	{	5158	{
4743	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	5159	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		5160
4751	once->cb = cb;	5161	once->cb = cb;
4752	once->arg = arg;	5162	once->arg = arg;
4753		5163
4754	ev_init (&once->io, once_cb_io);	5164	ev_init (&once->io, once_cb_io);
…		…
4767	}	5177	}
4768		5178
4769	/*****************************************************************************/	5179	/*****************************************************************************/
4770		5180
4771	#if EV_WALK_ENABLE	5181	#if EV_WALK_ENABLE
4772	void ecb_cold	5182	ecb_cold
		5183	void
4773	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW	5184	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4774	{	5185	{
4775	int i, j;	5186	int i, j;
4776	ev_watcher_list *wl, *wn;	5187	ev_watcher_list *wl, *wn;
4777		5188
4778	if (types & (EV_IO | EV_EMBED))	5189	if (types & (EV_IO | EV_EMBED))

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