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Comparing libev/ev.c (file contents):
Revision 1.396 by root, Wed Aug 24 16:13:17 2011 UTC vs.
Revision 1.469 by root, Fri Sep 5 16:21:19 2014 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 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011,2012,2013 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
…		…
59	# endif	59	# endif
60	# ifndef EV_USE_MONOTONIC	60	# ifndef EV_USE_MONOTONIC
61	# define EV_USE_MONOTONIC 1	61	# define EV_USE_MONOTONIC 1
62	# endif	62	# endif
63	# endif	63	# endif
64	# elif !defined(EV_USE_CLOCK_SYSCALL)	64	# elif !defined EV_USE_CLOCK_SYSCALL
65	# define EV_USE_CLOCK_SYSCALL 0	65	# define EV_USE_CLOCK_SYSCALL 0
66	# endif	66	# endif
67		67
68	# if HAVE_CLOCK_GETTIME	68	# if HAVE_CLOCK_GETTIME
69	# ifndef EV_USE_MONOTONIC	69	# ifndef EV_USE_MONOTONIC
…		…
183	# include EV_H	183	# include EV_H
184	#else	184	#else
185	# include "ev.h"	185	# include "ev.h"
186	#endif	186	#endif
187		187
188	EV_CPP(extern "C" {)	188	#if EV_NO_THREADS
		189	# undef EV_NO_SMP
		190	# define EV_NO_SMP 1
		191	# undef ECB_NO_THREADS
		192	# define ECB_NO_THREADS 1
		193	#endif
		194	#if EV_NO_SMP
		195	# undef EV_NO_SMP
		196	# define ECB_NO_SMP 1
		197	#endif
189		198
190	#ifndef _WIN32	199	#ifndef _WIN32
191	# include <sys/time.h>	200	# include <sys/time.h>
192	# include <sys/wait.h>	201	# include <sys/wait.h>
193	# include <unistd.h>	202	# include <unistd.h>
194	#else	203	#else
195	# include <io.h>	204	# include <io.h>
196	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
197	# include <windows.h>	207	# include <windows.h>
198	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
199	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
200	# endif	210	# endif
201	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
210	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
211		221
212	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
213		223
214	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
215	#if defined (EV_NSIG)	225	#if defined EV_NSIG
216	/* use what's provided */	226	/* use what's provided */
217	#elif defined (NSIG)	227	#elif defined NSIG
218	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
219	#elif defined(_NSIG)	229	#elif defined _NSIG
220	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
221	#elif defined (SIGMAX)	231	#elif defined SIGMAX
222	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
223	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
224	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
225	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
226	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
227	#elif defined (MAXSIG)	237	#elif defined MAXSIG
228	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
229	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
230	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
231	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
232	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
234	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235	#else	245	#else
236	# error "unable to find value for NSIG, please report"	246	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
237	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */
239	# define EV_NSIG 65
240	#endif	247	#endif
241		248
242	#ifndef EV_USE_FLOOR	249	#ifndef EV_USE_FLOOR
243	# define EV_USE_FLOOR 0	250	# define EV_USE_FLOOR 0
244	#endif	251	#endif
245		252
246	#ifndef EV_USE_CLOCK_SYSCALL	253	#ifndef EV_USE_CLOCK_SYSCALL
247	# if __linux && __GLIBC__ >= 2	254	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
248	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	255	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
249	# else	256	# else
250	# define EV_USE_CLOCK_SYSCALL 0	257	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	258	# endif
252	#endif	259	#endif
253		260
254	#ifndef EV_USE_MONOTONIC	261	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	263	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	264	# else
258	# define EV_USE_MONOTONIC 0	265	# define EV_USE_MONOTONIC 0
259	# endif	266	# endif
260	#endif	267	#endif
…		…
347		354
348	#ifndef EV_HEAP_CACHE_AT	355	#ifndef EV_HEAP_CACHE_AT
349	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350	#endif	357	#endif
351		358
		359	#ifdef ANDROID
		360	/* supposedly, android doesn't typedef fd_mask */
		361	# undef EV_USE_SELECT
		362	# define EV_USE_SELECT 0
		363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		364	# undef EV_USE_CLOCK_SYSCALL
		365	# define EV_USE_CLOCK_SYSCALL 0
		366	#endif
		367
		368	/* aix's poll.h seems to cause lots of trouble */
		369	#ifdef _AIX
		370	/* AIX has a completely broken poll.h header */
		371	# undef EV_USE_POLL
		372	# define EV_USE_POLL 0
		373	#endif
		374
352	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	375	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
353	/* which makes programs even slower. might work on other unices, too. */	376	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	377	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	378	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	379	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	380	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	381	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	382	# define EV_USE_MONOTONIC 1
360	# else	383	# else
…		…
363	# endif	386	# endif
364	#endif	387	#endif
365		388
366	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	389	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
367		390
368	#ifdef _AIX
369	/* AIX has a completely broken poll.h header */
370	# undef EV_USE_POLL
371	# define EV_USE_POLL 0
372	#endif
373
374	#ifndef CLOCK_MONOTONIC	391	#ifndef CLOCK_MONOTONIC
375	# undef EV_USE_MONOTONIC	392	# undef EV_USE_MONOTONIC
376	# define EV_USE_MONOTONIC 0	393	# define EV_USE_MONOTONIC 0
377	#endif	394	#endif
378		395
…		…
386	# define EV_USE_INOTIFY 0	403	# define EV_USE_INOTIFY 0
387	#endif	404	#endif
388		405
389	#if !EV_USE_NANOSLEEP	406	#if !EV_USE_NANOSLEEP
390	/* hp-ux has it in sys/time.h, which we unconditionally include above */	407	/* hp-ux has it in sys/time.h, which we unconditionally include above */
391	# if !defined(_WIN32) && !defined(__hpux)	408	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	409	# include <sys/select.h>
393	# endif	410	# endif
394	#endif	411	#endif
395		412
396	#if EV_USE_INOTIFY	413	#if EV_USE_INOTIFY
…		…
399	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	416	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400	# ifndef IN_DONT_FOLLOW	417	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	418	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	419	# define EV_USE_INOTIFY 0
403	# endif	420	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	421	#endif
409		422
410	#if EV_USE_EVENTFD	423	#if EV_USE_EVENTFD
411	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	424	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412	# include <stdint.h>	425	# include <stdint.h>
…		…
469	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ECB.H BEGIN */	483	/* ECB.H BEGIN */
471	/*	484	/*
472	* libecb - http://software.schmorp.de/pkg/libecb	485	* libecb - http://software.schmorp.de/pkg/libecb
473	*	486	*
474	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>	487	* Copyright (©) 2009-2014 Marc Alexander Lehmann <libecb@schmorp.de>
475	* Copyright (©) 2011 Emanuele Giaquinta	488	* Copyright (©) 2011 Emanuele Giaquinta
476	* All rights reserved.	489	* All rights reserved.
477	*	490	*
478	* Redistribution and use in source and binary forms, with or without modifica-	491	* Redistribution and use in source and binary forms, with or without modifica-
479	* tion, are permitted provided that the following conditions are met:	492	* tion, are permitted provided that the following conditions are met:
…		…
493	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;	506	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
494	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,	507	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
495	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-	508	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
496	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED	509	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
497	* OF THE POSSIBILITY OF SUCH DAMAGE.	510	* OF THE POSSIBILITY OF SUCH DAMAGE.
		511	*
		512	* Alternatively, the contents of this file may be used under the terms of
		513	* the GNU General Public License ("GPL") version 2 or any later version,
		514	* in which case the provisions of the GPL are applicable instead of
		515	* the above. If you wish to allow the use of your version of this file
		516	* only under the terms of the GPL and not to allow others to use your
		517	* version of this file under the BSD license, indicate your decision
		518	* by deleting the provisions above and replace them with the notice
		519	* and other provisions required by the GPL. If you do not delete the
		520	* provisions above, a recipient may use your version of this file under
		521	* either the BSD or the GPL.
498	*/	522	*/
499		523
500	#ifndef ECB_H	524	#ifndef ECB_H
501	#define ECB_H	525	#define ECB_H
		526
		527	/* 16 bits major, 16 bits minor */
		528	#define ECB_VERSION 0x00010003
502		529
503	#ifdef _WIN32	530	#ifdef _WIN32
504	typedef signed char int8_t;	531	typedef signed char int8_t;
505	typedef unsigned char uint8_t;	532	typedef unsigned char uint8_t;
506	typedef signed short int16_t;	533	typedef signed short int16_t;
…		…
512	typedef unsigned long long uint64_t;	539	typedef unsigned long long uint64_t;
513	#else /* _MSC_VER || __BORLANDC__ */	540	#else /* _MSC_VER || __BORLANDC__ */
514	typedef signed __int64 int64_t;	541	typedef signed __int64 int64_t;
515	typedef unsigned __int64 uint64_t;	542	typedef unsigned __int64 uint64_t;
516	#endif	543	#endif
		544	#ifdef _WIN64
		545	#define ECB_PTRSIZE 8
		546	typedef uint64_t uintptr_t;
		547	typedef int64_t intptr_t;
		548	#else
		549	#define ECB_PTRSIZE 4
		550	typedef uint32_t uintptr_t;
		551	typedef int32_t intptr_t;
		552	#endif
517	#else	553	#else
518	#include <inttypes.h>	554	#include <inttypes.h>
		555	#if UINTMAX_MAX > 0xffffffffU
		556	#define ECB_PTRSIZE 8
		557	#else
		558	#define ECB_PTRSIZE 4
		559	#endif
		560	#endif
		561
		562	/* work around x32 idiocy by defining proper macros */
		563	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64
		564	#if _ILP32
		565	#define ECB_AMD64_X32 1
		566	#else
		567	#define ECB_AMD64 1
		568	#endif
519	#endif	569	#endif
520		570
521	/* many compilers define _GNUC_ to some versions but then only implement	571	/* many compilers define _GNUC_ to some versions but then only implement
522	* what their idiot authors think are the "more important" extensions,	572	* what their idiot authors think are the "more important" extensions,
523	* causing enormous grief in return for some better fake benchmark numbers.	573	* causing enormous grief in return for some better fake benchmark numbers.
524	* or so.	574	* or so.
525	* we try to detect these and simply assume they are not gcc - if they have	575	* we try to detect these and simply assume they are not gcc - if they have
526	* an issue with that they should have done it right in the first place.	576	* an issue with that they should have done it right in the first place.
527	*/	577	*/
528	#ifndef ECB_GCC_VERSION	578	#ifndef ECB_GCC_VERSION
529	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	579	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
530	#define ECB_GCC_VERSION(major,minor) 0	580	#define ECB_GCC_VERSION(major,minor) 0
531	#else	581	#else
532	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	582	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533	#endif	583	#endif
534	#endif	584	#endif
535		585
		586	#define ECB_CPP (__cplusplus+0)
		587	#define ECB_CPP11 (__cplusplus >= 201103L)
		588
		589	#if ECB_CPP
		590	#define ECB_C 0
		591	#define ECB_STDC_VERSION 0
		592	#else
		593	#define ECB_C 1
		594	#define ECB_STDC_VERSION __STDC_VERSION__
		595	#endif
		596
		597	#define ECB_C99 (ECB_STDC_VERSION >= 199901L)
		598	#define ECB_C11 (ECB_STDC_VERSION >= 201112L)
		599
		600	#if ECB_CPP
		601	#define ECB_EXTERN_C extern "C"
		602	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		603	#define ECB_EXTERN_C_END }
		604	#else
		605	#define ECB_EXTERN_C extern
		606	#define ECB_EXTERN_C_BEG
		607	#define ECB_EXTERN_C_END
		608	#endif
		609
536	/*****************************************************************************/	610	/*****************************************************************************/
537		611
538	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	612	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
539	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	613	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540		614
541	#if ECB_NO_THREADS || ECB_NO_SMP	615	#if ECB_NO_THREADS
		616	#define ECB_NO_SMP 1
		617	#endif
		618
		619	#if ECB_NO_SMP
542	#define ECB_MEMORY_FENCE do { } while (0)	620	#define ECB_MEMORY_FENCE do { } while (0)
543	#endif	621	#endif
544		622
545	#ifndef ECB_MEMORY_FENCE	623	#ifndef ECB_MEMORY_FENCE
546	#if ECB_GCC_VERSION(2,5)	624	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
547	#if __i386__	625	#if __i386 || __i386__
548	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
549	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
550	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
551	#elif __amd64	629	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
552	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
553	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	631	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
554	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	632	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
555	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	633	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
556	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	634	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
557	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	635	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
558	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	636	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
559	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	637	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
560	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	638	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
561	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	639	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	640	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		641	#elif __aarch64__
		642	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
		643	#elif (__sparc || __sparc__) && !__sparcv8
		644	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		645	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		646	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		647	#elif defined __s390__ || defined __s390x__
		648	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		649	#elif defined __mips__
		650	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		651	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		652	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		653	#elif defined __alpha__
		654	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		655	#elif defined __hppa__
		656	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		657	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		658	#elif defined __ia64__
		659	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		660	#elif defined __m68k__
		661	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		662	#elif defined __m88k__
		663	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		664	#elif defined __sh__
		665	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
563	#endif	666	#endif
564	#endif	667	#endif
565	#endif	668	#endif
566		669
567	#ifndef ECB_MEMORY_FENCE	670	#ifndef ECB_MEMORY_FENCE
		671	#if ECB_GCC_VERSION(4,7)
		672	/* see comment below (stdatomic.h) about the C11 memory model. */
		673	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		674	#define ECB_MEMORY_FENCE_ACQUIRE __atomic_thread_fence (__ATOMIC_ACQUIRE)
		675	#define ECB_MEMORY_FENCE_RELEASE __atomic_thread_fence (__ATOMIC_RELEASE)
		676
		677	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		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.
		683	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		684	* #define ECB_MEMORY_FENCE_ACQUIRE __c11_atomic_thread_fence (__ATOMIC_ACQUIRE)
		685	* #define ECB_MEMORY_FENCE_RELEASE __c11_atomic_thread_fence (__ATOMIC_RELEASE)
		686	*/
		687
568	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)	688	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
569	#define ECB_MEMORY_FENCE __sync_synchronize ()	689	#define ECB_MEMORY_FENCE __sync_synchronize ()
570	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */	690	#elif _MSC_VER >= 1500 /* VC++ 2008 */
571	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */	691	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		692	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		693	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		694	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		695	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
572	#elif _MSC_VER >= 1400 /* VC++ 2005 */	696	#elif _MSC_VER >= 1400 /* VC++ 2005 */
573	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	697	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
574	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	698	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
575	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	699	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
576	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	700	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
577	#elif defined(_WIN32)	701	#elif defined _WIN32
578	#include <WinNT.h>	702	#include <WinNT.h>
579	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	703	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		704	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		705	#include <mbarrier.h>
		706	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		707	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		708	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		709	#elif __xlC__
		710	#define ECB_MEMORY_FENCE __sync ()
		711	#endif
		712	#endif
		713
		714	#ifndef ECB_MEMORY_FENCE
		715	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		716	/* we assume that these memory fences work on all variables/all memory accesses, */
		717	/* not just C11 atomics and atomic accesses */
		718	#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)
580	#endif	728	#endif
581	#endif	729	#endif
582		730
583	#ifndef ECB_MEMORY_FENCE	731	#ifndef ECB_MEMORY_FENCE
584	#if !ECB_AVOID_PTHREADS	732	#if !ECB_AVOID_PTHREADS
…		…
596	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	744	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
597	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	745	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
598	#endif	746	#endif
599	#endif	747	#endif
600		748
601	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	749	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
602	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	750	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
603	#endif	751	#endif
604		752
605	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	753	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
606	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	754	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
607	#endif	755	#endif
608		756
609	/*****************************************************************************/	757	/*****************************************************************************/
610
611	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
612		758
613	#if __cplusplus	759	#if __cplusplus
614	#define ecb_inline static inline	760	#define ecb_inline static inline
615	#elif ECB_GCC_VERSION(2,5)	761	#elif ECB_GCC_VERSION(2,5)
616	#define ecb_inline static __inline__	762	#define ecb_inline static __inline__
…		…
642	#define ecb_is_constant(expr) __builtin_constant_p (expr)	788	#define ecb_is_constant(expr) __builtin_constant_p (expr)
643	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	789	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
644	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)	790	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
645	#else	791	#else
646	#define ecb_attribute(attrlist)	792	#define ecb_attribute(attrlist)
		793
		794	/* possible C11 impl for integral types
		795	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)) */
		797
647	#define ecb_is_constant(expr) 0	798	#define ecb_is_constant(expr) 0
648	#define ecb_expect(expr,value) (expr)	799	#define ecb_expect(expr,value) (expr)
649	#define ecb_prefetch(addr,rw,locality)	800	#define ecb_prefetch(addr,rw,locality)
650	#endif	801	#endif
651		802
…		…
654	#define ecb_decltype(x) __decltype(x)	805	#define ecb_decltype(x) __decltype(x)
655	#elif ECB_GCC_VERSION(3,0)	806	#elif ECB_GCC_VERSION(3,0)
656	#define ecb_decltype(x) __typeof(x)	807	#define ecb_decltype(x) __typeof(x)
657	#endif	808	#endif
658		809
		810	#if _MSC_VER >= 1300
		811	#define ecb_deprecated __declspec(deprecated)
		812	#else
		813	#define ecb_deprecated ecb_attribute ((__deprecated__))
		814	#endif
		815
659	#define ecb_noinline ecb_attribute ((__noinline__))	816	#define ecb_noinline ecb_attribute ((__noinline__))
660	#define ecb_noreturn ecb_attribute ((__noreturn__))
661	#define ecb_unused ecb_attribute ((__unused__))	817	#define ecb_unused ecb_attribute ((__unused__))
662	#define ecb_const ecb_attribute ((__const__))	818	#define ecb_const ecb_attribute ((__const__))
663	#define ecb_pure ecb_attribute ((__pure__))	819	#define ecb_pure ecb_attribute ((__pure__))
		820
		821	/* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */
		822	#if ECB_C11
		823	#define ecb_noreturn _Noreturn
		824	#else
		825	#define ecb_noreturn ecb_attribute ((__noreturn__))
		826	#endif
664		827
665	#if ECB_GCC_VERSION(4,3)	828	#if ECB_GCC_VERSION(4,3)
666	#define ecb_artificial ecb_attribute ((__artificial__))	829	#define ecb_artificial ecb_attribute ((__artificial__))
667	#define ecb_hot ecb_attribute ((__hot__))	830	#define ecb_hot ecb_attribute ((__hot__))
668	#define ecb_cold ecb_attribute ((__cold__))	831	#define ecb_cold ecb_attribute ((__cold__))
…		…
759		922
760	return r + ecb_ld32 (x);	923	return r + ecb_ld32 (x);
761	}	924	}
762	#endif	925	#endif
763		926
		927	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		928	ecb_function_ 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;
		930	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		931
		932	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		933	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		934	{
		935	return ( (x * 0x0802U & 0x22110U)
		936	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		937	}
		938
		939	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		940	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		941	{
		942	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		943	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		944	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		945	x = ( x >> 8 ) | ( x << 8);
		946
		947	return x;
		948	}
		949
		950	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		951	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		952	{
		953	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		954	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		955	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		956	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		957	x = ( x >> 16 ) | ( x << 16);
		958
		959	return x;
		960	}
		961
764	/* popcount64 is only available on 64 bit cpus as gcc builtin */	962	/* popcount64 is only available on 64 bit cpus as gcc builtin */
765	/* so for this version we are lazy */	963	/* so for this version we are lazy */
766	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	964	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
767	ecb_function_ int	965	ecb_function_ int
768	ecb_popcount64 (uint64_t x)	966	ecb_popcount64 (uint64_t x)
…		…
817		1015
818	#if ECB_GCC_VERSION(4,5)	1016	#if ECB_GCC_VERSION(4,5)
819	#define ecb_unreachable() __builtin_unreachable ()	1017	#define ecb_unreachable() __builtin_unreachable ()
820	#else	1018	#else
821	/* this seems to work fine, but gcc always emits a warning for it :/ */	1019	/* this seems to work fine, but gcc always emits a warning for it :/ */
822	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	1020	ecb_inline void ecb_unreachable (void) ecb_noreturn;
823	ecb_function_ void ecb_unreachable (void) { }	1021	ecb_inline void ecb_unreachable (void) { }
824	#endif	1022	#endif
825		1023
826	/* try to tell the compiler that some condition is definitely true */	1024	/* try to tell the compiler that some condition is definitely true */
827	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	1025	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
828		1026
829	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	1027	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
830	ecb_function_ unsigned char	1028	ecb_inline unsigned char
831	ecb_byteorder_helper (void)	1029	ecb_byteorder_helper (void)
832	{	1030	{
833	const uint32_t u = 0x11223344;	1031	/* the union code still generates code under pressure in gcc, */
834	return *(unsigned char *)&u;	1032	/* but less than using pointers, and always seems to */
		1033	/* successfully return a constant. */
		1034	/* the reason why we have this horrible preprocessor mess */
		1035	/* is to avoid it in all cases, at least on common architectures */
		1036	/* 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__
		1040	return 0x44;
		1041	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1042	return 0x11;
		1043	#else
		1044	union
		1045	{
		1046	uint32_t i;
		1047	uint8_t c;
		1048	} u = { 0x11223344 };
		1049	return u.c;
		1050	#endif
835	}	1051	}
836		1052
837	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1053	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
838	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1054	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
839	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1055	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
840	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1056	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
841		1057
842	#if ECB_GCC_VERSION(3,0) || ECB_C99	1058	#if ECB_GCC_VERSION(3,0) || ECB_C99
843	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1059	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
844	#else	1060	#else
845	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1061	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1062	#endif
		1063
		1064	#if __cplusplus
		1065	template<typename T>
		1066	static inline T ecb_div_rd (T val, T div)
		1067	{
		1068	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1069	}
		1070	template<typename T>
		1071	static inline T ecb_div_ru (T val, T div)
		1072	{
		1073	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1074	}
		1075	#else
		1076	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1077	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
846	#endif	1078	#endif
847		1079
848	#if ecb_cplusplus_does_not_suck	1080	#if ecb_cplusplus_does_not_suck
849	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */	1081	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
850	template<typename T, int N>	1082	template<typename T, int N>
…		…
854	}	1086	}
855	#else	1087	#else
856	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1088	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
857	#endif	1089	#endif
858		1090
		1091	/*******************************************************************************/
		1092	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1093
		1094	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1095	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1096	#if 0 \
		1097	|| __i386 || __i386__ \
		1098	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1099	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1100	|| defined __s390__ || defined __s390x__ \
		1101	|| defined __mips__ \
		1102	|| defined __alpha__ \
		1103	|| defined __hppa__ \
		1104	|| defined __ia64__ \
		1105	|| defined __m68k__ \
		1106	|| defined __m88k__ \
		1107	|| defined __sh__ \
		1108	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \
		1109	|| (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
		1110	|| defined __aarch64__
		1111	#define ECB_STDFP 1
		1112	#include <string.h> /* for memcpy */
		1113	#else
		1114	#define ECB_STDFP 0
		1115	#endif
		1116
		1117	#ifndef ECB_NO_LIBM
		1118
		1119	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1120
		1121	/* only the oldest of old doesn't have this one. solaris. */
		1122	#ifdef INFINITY
		1123	#define ECB_INFINITY INFINITY
		1124	#else
		1125	#define ECB_INFINITY HUGE_VAL
		1126	#endif
		1127
		1128	#ifdef NAN
		1129	#define ECB_NAN NAN
		1130	#else
		1131	#define ECB_NAN ECB_INFINITY
		1132	#endif
		1133
		1134	/* converts an ieee half/binary16 to a float */
		1135	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
		1136	ecb_function_ float
		1137	ecb_binary16_to_float (uint16_t x)
		1138	{
		1139	int e = (x >> 10) & 0x1f;
		1140	int m = x & 0x3ff;
		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
		1151	/* convert a float to ieee single/binary32 */
		1152	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1153	ecb_function_ uint32_t
		1154	ecb_float_to_binary32 (float x)
		1155	{
		1156	uint32_t r;
		1157
		1158	#if ECB_STDFP
		1159	memcpy (&r, &x, 4);
		1160	#else
		1161	/* slow emulation, works for anything but -0 */
		1162	uint32_t m;
		1163	int e;
		1164
		1165	if (x == 0e0f ) return 0x00000000U;
		1166	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1167	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1168	if (x != x ) return 0x7fbfffffU;
		1169
		1170	m = frexpf (x, &e) * 0x1000000U;
		1171
		1172	r = m & 0x80000000U;
		1173
		1174	if (r)
		1175	m = -m;
		1176
		1177	if (e <= -126)
		1178	{
		1179	m &= 0xffffffU;
		1180	m >>= (-125 - e);
		1181	e = -126;
		1182	}
		1183
		1184	r |= (e + 126) << 23;
		1185	r |= m & 0x7fffffU;
		1186	#endif
		1187
		1188	return r;
		1189	}
		1190
		1191	/* converts an ieee single/binary32 to a float */
		1192	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1193	ecb_function_ float
		1194	ecb_binary32_to_float (uint32_t x)
		1195	{
		1196	float r;
		1197
		1198	#if ECB_STDFP
		1199	memcpy (&r, &x, 4);
		1200	#else
		1201	/* emulation, only works for normals and subnormals and +0 */
		1202	int neg = x >> 31;
		1203	int e = (x >> 23) & 0xffU;
		1204
		1205	x &= 0x7fffffU;
		1206
		1207	if (e)
		1208	x |= 0x800000U;
		1209	else
		1210	e = 1;
		1211
		1212	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1213	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1214
		1215	r = neg ? -r : r;
		1216	#endif
		1217
		1218	return r;
		1219	}
		1220
		1221	/* convert a double to ieee double/binary64 */
		1222	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1223	ecb_function_ uint64_t
		1224	ecb_double_to_binary64 (double x)
		1225	{
		1226	uint64_t r;
		1227
		1228	#if ECB_STDFP
		1229	memcpy (&r, &x, 8);
		1230	#else
		1231	/* slow emulation, works for anything but -0 */
		1232	uint64_t m;
		1233	int e;
		1234
		1235	if (x == 0e0 ) return 0x0000000000000000U;
		1236	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1237	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1238	if (x != x ) return 0X7ff7ffffffffffffU;
		1239
		1240	m = frexp (x, &e) * 0x20000000000000U;
		1241
		1242	r = m & 0x8000000000000000;;
		1243
		1244	if (r)
		1245	m = -m;
		1246
		1247	if (e <= -1022)
		1248	{
		1249	m &= 0x1fffffffffffffU;
		1250	m >>= (-1021 - e);
		1251	e = -1022;
		1252	}
		1253
		1254	r |= ((uint64_t)(e + 1022)) << 52;
		1255	r |= m & 0xfffffffffffffU;
		1256	#endif
		1257
		1258	return r;
		1259	}
		1260
		1261	/* converts an ieee double/binary64 to a double */
		1262	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1263	ecb_function_ double
		1264	ecb_binary64_to_double (uint64_t x)
		1265	{
		1266	double r;
		1267
		1268	#if ECB_STDFP
		1269	memcpy (&r, &x, 8);
		1270	#else
		1271	/* emulation, only works for normals and subnormals and +0 */
		1272	int neg = x >> 63;
		1273	int e = (x >> 52) & 0x7ffU;
		1274
		1275	x &= 0xfffffffffffffU;
		1276
		1277	if (e)
		1278	x |= 0x10000000000000U;
		1279	else
		1280	e = 1;
		1281
		1282	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1283	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1284
		1285	r = neg ? -r : r;
		1286	#endif
		1287
		1288	return r;
		1289	}
		1290
		1291	#endif
		1292
859	#endif	1293	#endif
860		1294
861	/* ECB.H END */	1295	/* ECB.H END */
862		1296
863	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1297	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
864	/* if your architetcure doesn't need memory fences, e.g. because it is	1298	/* if your architecture doesn't need memory fences, e.g. because it is
865	* single-cpu/core, or if you use libev in a project that doesn't use libev	1299	* single-cpu/core, or if you use libev in a project that doesn't use libev
866	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	1300	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
867	* libev, in which casess the memory fences become nops.	1301	* libev, in which cases the memory fences become nops.
868	* alternatively, you can remove this #error and link against libpthread,	1302	* alternatively, you can remove this #error and link against libpthread,
869	* which will then provide the memory fences.	1303	* which will then provide the memory fences.
870	*/	1304	*/
871	# error "memory fences not defined for your architecture, please report"	1305	# error "memory fences not defined for your architecture, please report"
872	#endif	1306	#endif
…		…
1029	{	1463	{
1030	write (STDERR_FILENO, msg, strlen (msg));	1464	write (STDERR_FILENO, msg, strlen (msg));
1031	}	1465	}
1032	#endif	1466	#endif
1033		1467
1034	static void (*syserr_cb)(const char *msg);	1468	static void (*syserr_cb)(const char *msg) EV_THROW;
1035		1469
1036	void ecb_cold	1470	void ecb_cold
1037	ev_set_syserr_cb (void (*cb)(const char *msg))	1471	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1038	{	1472	{
1039	syserr_cb = cb;	1473	syserr_cb = cb;
1040	}	1474	}
1041		1475
1042	static void noinline ecb_cold	1476	static void noinline ecb_cold
…		…
1060	abort ();	1494	abort ();
1061	}	1495	}
1062	}	1496	}
1063		1497
1064	static void *	1498	static void *
1065	ev_realloc_emul (void *ptr, long size)	1499	ev_realloc_emul (void *ptr, long size) EV_THROW
1066	{	1500	{
1067	#if __GLIBC__
1068	return realloc (ptr, size);
1069	#else
1070	/* some systems, notably openbsd and darwin, fail to properly	1501	/* some systems, notably openbsd and darwin, fail to properly
1071	* implement realloc (x, 0) (as required by both ansi c-89 and	1502	* implement realloc (x, 0) (as required by both ansi c-89 and
1072	* the single unix specification, so work around them here.	1503	* the single unix specification, so work around them here.
		1504	* recently, also (at least) fedora and debian started breaking it,
		1505	* despite documenting it otherwise.
1073	*/	1506	*/
1074		1507
1075	if (size)	1508	if (size)
1076	return realloc (ptr, size);	1509	return realloc (ptr, size);
1077		1510
1078	free (ptr);	1511	free (ptr);
1079	return 0;	1512	return 0;
1080	#endif
1081	}	1513	}
1082		1514
1083	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1515	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1084		1516
1085	void ecb_cold	1517	void ecb_cold
1086	ev_set_allocator (void *(*cb)(void *ptr, long size))	1518	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1087	{	1519	{
1088	alloc = cb;	1520	alloc = cb;
1089	}	1521	}
1090		1522
1091	inline_speed void *	1523	inline_speed void *
…		…
1179	#undef VAR	1611	#undef VAR
1180	};	1612	};
1181	#include "ev_wrap.h"	1613	#include "ev_wrap.h"
1182		1614
1183	static struct ev_loop default_loop_struct;	1615	static struct ev_loop default_loop_struct;
1184	struct ev_loop *ev_default_loop_ptr;	1616	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1185		1617
1186	#else	1618	#else
1187		1619
1188	ev_tstamp ev_rt_now;	1620	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1189	#define VAR(name,decl) static decl;	1621	#define VAR(name,decl) static decl;
1190	#include "ev_vars.h"	1622	#include "ev_vars.h"
1191	#undef VAR	1623	#undef VAR
1192		1624
1193	static int ev_default_loop_ptr;	1625	static int ev_default_loop_ptr;
…		…
1208		1640
1209	/*****************************************************************************/	1641	/*****************************************************************************/
1210		1642
1211	#ifndef EV_HAVE_EV_TIME	1643	#ifndef EV_HAVE_EV_TIME
1212	ev_tstamp	1644	ev_tstamp
1213	ev_time (void)	1645	ev_time (void) EV_THROW
1214	{	1646	{
1215	#if EV_USE_REALTIME	1647	#if EV_USE_REALTIME
1216	if (expect_true (have_realtime))	1648	if (expect_true (have_realtime))
1217	{	1649	{
1218	struct timespec ts;	1650	struct timespec ts;
…		…
1242	return ev_time ();	1674	return ev_time ();
1243	}	1675	}
1244		1676
1245	#if EV_MULTIPLICITY	1677	#if EV_MULTIPLICITY
1246	ev_tstamp	1678	ev_tstamp
1247	ev_now (EV_P)	1679	ev_now (EV_P) EV_THROW
1248	{	1680	{
1249	return ev_rt_now;	1681	return ev_rt_now;
1250	}	1682	}
1251	#endif	1683	#endif
1252		1684
1253	void	1685	void
1254	ev_sleep (ev_tstamp delay)	1686	ev_sleep (ev_tstamp delay) EV_THROW
1255	{	1687	{
1256	if (delay > 0.)	1688	if (delay > 0.)
1257	{	1689	{
1258	#if EV_USE_NANOSLEEP	1690	#if EV_USE_NANOSLEEP
1259	struct timespec ts;	1691	struct timespec ts;
1260		1692
1261	EV_TS_SET (ts, delay);	1693	EV_TS_SET (ts, delay);
1262	nanosleep (&ts, 0);	1694	nanosleep (&ts, 0);
1263	#elif defined(_WIN32)	1695	#elif defined _WIN32
1264	Sleep ((unsigned long)(delay * 1e3));	1696	Sleep ((unsigned long)(delay * 1e3));
1265	#else	1697	#else
1266	struct timeval tv;	1698	struct timeval tv;
1267		1699
1268	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1700	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1287		1719
1288	do	1720	do
1289	ncur <<= 1;	1721	ncur <<= 1;
1290	while (cnt > ncur);	1722	while (cnt > ncur);
1291		1723
1292	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1724	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1293	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1725	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1294	{	1726	{
1295	ncur *= elem;	1727	ncur *= elem;
1296	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1728	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1297	ncur = ncur - sizeof (void *) * 4;	1729	ncur = ncur - sizeof (void *) * 4;
…		…
1340	pendingcb (EV_P_ ev_prepare *w, int revents)	1772	pendingcb (EV_P_ ev_prepare *w, int revents)
1341	{	1773	{
1342	}	1774	}
1343		1775
1344	void noinline	1776	void noinline
1345	ev_feed_event (EV_P_ void *w, int revents)	1777	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1346	{	1778	{
1347	W w_ = (W)w;	1779	W w_ = (W)w;
1348	int pri = ABSPRI (w_);	1780	int pri = ABSPRI (w_);
1349		1781
1350	if (expect_false (w_->pending))	1782	if (expect_false (w_->pending))
…		…
1354	w_->pending = ++pendingcnt [pri];	1786	w_->pending = ++pendingcnt [pri];
1355	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1787	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1356	pendings [pri][w_->pending - 1].w = w_;	1788	pendings [pri][w_->pending - 1].w = w_;
1357	pendings [pri][w_->pending - 1].events = revents;	1789	pendings [pri][w_->pending - 1].events = revents;
1358	}	1790	}
		1791
		1792	pendingpri = NUMPRI - 1;
1359	}	1793	}
1360		1794
1361	inline_speed void	1795	inline_speed void
1362	feed_reverse (EV_P_ W w)	1796	feed_reverse (EV_P_ W w)
1363	{	1797	{
…		…
1409	if (expect_true (!anfd->reify))	1843	if (expect_true (!anfd->reify))
1410	fd_event_nocheck (EV_A_ fd, revents);	1844	fd_event_nocheck (EV_A_ fd, revents);
1411	}	1845	}
1412		1846
1413	void	1847	void
1414	ev_feed_fd_event (EV_P_ int fd, int revents)	1848	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1415	{	1849	{
1416	if (fd >= 0 && fd < anfdmax)	1850	if (fd >= 0 && fd < anfdmax)
1417	fd_event_nocheck (EV_A_ fd, revents);	1851	fd_event_nocheck (EV_A_ fd, revents);
1418	}	1852	}
1419		1853
…		…
1738	static void noinline ecb_cold	2172	static void noinline ecb_cold
1739	evpipe_init (EV_P)	2173	evpipe_init (EV_P)
1740	{	2174	{
1741	if (!ev_is_active (&pipe_w))	2175	if (!ev_is_active (&pipe_w))
1742	{	2176	{
		2177	int fds [2];
		2178
1743	# if EV_USE_EVENTFD	2179	# if EV_USE_EVENTFD
		2180	fds [0] = -1;
1744	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2181	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1745	if (evfd < 0 && errno == EINVAL)	2182	if (fds [1] < 0 && errno == EINVAL)
1746	evfd = eventfd (0, 0);	2183	fds [1] = eventfd (0, 0);
1747		2184
1748	if (evfd >= 0)	2185	if (fds [1] < 0)
		2186	# endif
1749	{	2187	{
		2188	while (pipe (fds))
		2189	ev_syserr ("(libev) error creating signal/async pipe");
		2190
		2191	fd_intern (fds [0]);
		2192	}
		2193
1750	evpipe [0] = -1;	2194	evpipe [0] = fds [0];
1751	fd_intern (evfd); /* doing it twice doesn't hurt */	2195
1752	ev_io_set (&pipe_w, evfd, EV_READ);	2196	if (evpipe [1] < 0)
		2197	evpipe [1] = fds [1]; /* first call, set write fd */
		2198	else
		2199	{
		2200	/* on subsequent calls, do not change evpipe [1] */
		2201	/* so that evpipe_write can always rely on its value. */
		2202	/* this branch does not do anything sensible on windows, */
		2203	/* so must not be executed on windows */
		2204
		2205	dup2 (fds [1], evpipe [1]);
		2206	close (fds [1]);
		2207	}
		2208
		2209	fd_intern (evpipe [1]);
		2210
		2211	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2212	ev_io_start (EV_A_ &pipe_w);
		2213	ev_unref (EV_A); /* watcher should not keep loop alive */
		2214	}
		2215	}
		2216
		2217	inline_speed void
		2218	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2219	{
		2220	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2221
		2222	if (expect_true (*flag))
		2223	return;
		2224
		2225	*flag = 1;
		2226	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2227
		2228	pipe_write_skipped = 1;
		2229
		2230	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2231
		2232	if (pipe_write_wanted)
		2233	{
		2234	int old_errno;
		2235
		2236	pipe_write_skipped = 0;
		2237	ECB_MEMORY_FENCE_RELEASE;
		2238
		2239	old_errno = errno; /* save errno because write will clobber it */
		2240
		2241	#if EV_USE_EVENTFD
		2242	if (evpipe [0] < 0)
		2243	{
		2244	uint64_t counter = 1;
		2245	write (evpipe [1], &counter, sizeof (uint64_t));
1753	}	2246	}
1754	else	2247	else
1755	# endif	2248	#endif
1756	{	2249	{
1757	while (pipe (evpipe))	2250	#ifdef _WIN32
1758	ev_syserr ("(libev) error creating signal/async pipe");	2251	WSABUF buf;
1759		2252	DWORD sent;
1760	fd_intern (evpipe [0]);	2253	buf.buf = &buf;
1761	fd_intern (evpipe [1]);	2254	buf.len = 1;
1762	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2255	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1763	}	2256	#else
1764
1765	ev_io_start (EV_A_ &pipe_w);
1766	ev_unref (EV_A); /* watcher should not keep loop alive */
1767	}
1768	}
1769
1770	inline_speed void
1771	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1772	{
1773	if (expect_true (*flag))
1774	return;
1775
1776	*flag = 1;
1777
1778	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1779
1780	pipe_write_skipped = 1;
1781
1782	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1783
1784	if (pipe_write_wanted)
1785	{
1786	int old_errno;
1787
1788	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1789
1790	old_errno = errno; /* save errno because write will clobber it */
1791
1792	#if EV_USE_EVENTFD
1793	if (evfd >= 0)
1794	{
1795	uint64_t counter = 1;
1796	write (evfd, &counter, sizeof (uint64_t));
1797	}
1798	else
1799	#endif
1800	{
1801	/* win32 people keep sending patches that change this write() to send() */
1802	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1803	/* so when you think this write should be a send instead, please find out */
1804	/* where your send() is from - it's definitely not the microsoft send, and */
1805	/* tell me. thank you. */
1806	write (evpipe [1], &(evpipe [1]), 1);	2257	write (evpipe [1], &(evpipe [1]), 1);
		2258	#endif
1807	}	2259	}
1808		2260
1809	errno = old_errno;	2261	errno = old_errno;
1810	}	2262	}
1811	}	2263	}
…		…
1818	int i;	2270	int i;
1819		2271
1820	if (revents & EV_READ)	2272	if (revents & EV_READ)
1821	{	2273	{
1822	#if EV_USE_EVENTFD	2274	#if EV_USE_EVENTFD
1823	if (evfd >= 0)	2275	if (evpipe [0] < 0)
1824	{	2276	{
1825	uint64_t counter;	2277	uint64_t counter;
1826	read (evfd, &counter, sizeof (uint64_t));	2278	read (evpipe [1], &counter, sizeof (uint64_t));
1827	}	2279	}
1828	else	2280	else
1829	#endif	2281	#endif
1830	{	2282	{
1831	char dummy;	2283	char dummy[4];
1832	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2284	#ifdef _WIN32
		2285	WSABUF buf;
		2286	DWORD recvd;
		2287	DWORD flags = 0;
		2288	buf.buf = dummy;
		2289	buf.len = sizeof (dummy);
		2290	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2291	#else
1833	read (evpipe [0], &dummy, 1);	2292	read (evpipe [0], &dummy, sizeof (dummy));
		2293	#endif
1834	}	2294	}
1835	}	2295	}
1836		2296
1837	pipe_write_skipped = 0;	2297	pipe_write_skipped = 0;
		2298
		2299	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1838		2300
1839	#if EV_SIGNAL_ENABLE	2301	#if EV_SIGNAL_ENABLE
1840	if (sig_pending)	2302	if (sig_pending)
1841	{	2303	{
1842	sig_pending = 0;	2304	sig_pending = 0;
		2305
		2306	ECB_MEMORY_FENCE;
1843		2307
1844	for (i = EV_NSIG - 1; i--; )	2308	for (i = EV_NSIG - 1; i--; )
1845	if (expect_false (signals [i].pending))	2309	if (expect_false (signals [i].pending))
1846	ev_feed_signal_event (EV_A_ i + 1);	2310	ev_feed_signal_event (EV_A_ i + 1);
1847	}	2311	}
…		…
1849		2313
1850	#if EV_ASYNC_ENABLE	2314	#if EV_ASYNC_ENABLE
1851	if (async_pending)	2315	if (async_pending)
1852	{	2316	{
1853	async_pending = 0;	2317	async_pending = 0;
		2318
		2319	ECB_MEMORY_FENCE;
1854		2320
1855	for (i = asynccnt; i--; )	2321	for (i = asynccnt; i--; )
1856	if (asyncs [i]->sent)	2322	if (asyncs [i]->sent)
1857	{	2323	{
1858	asyncs [i]->sent = 0;	2324	asyncs [i]->sent = 0;
		2325	ECB_MEMORY_FENCE_RELEASE;
1859	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2326	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1860	}	2327	}
1861	}	2328	}
1862	#endif	2329	#endif
1863	}	2330	}
1864		2331
1865	/*****************************************************************************/	2332	/*****************************************************************************/
1866		2333
1867	void	2334	void
1868	ev_feed_signal (int signum)	2335	ev_feed_signal (int signum) EV_THROW
1869	{	2336	{
1870	#if EV_MULTIPLICITY	2337	#if EV_MULTIPLICITY
		2338	EV_P;
		2339	ECB_MEMORY_FENCE_ACQUIRE;
1871	EV_P = signals [signum - 1].loop;	2340	EV_A = signals [signum - 1].loop;
1872		2341
1873	if (!EV_A)	2342	if (!EV_A)
1874	return;	2343	return;
1875	#endif	2344	#endif
1876		2345
1877	if (!ev_active (&pipe_w))
1878	return;
1879
1880	signals [signum - 1].pending = 1;	2346	signals [signum - 1].pending = 1;
1881	evpipe_write (EV_A_ &sig_pending);	2347	evpipe_write (EV_A_ &sig_pending);
1882	}	2348	}
1883		2349
1884	static void	2350	static void
…		…
1890		2356
1891	ev_feed_signal (signum);	2357	ev_feed_signal (signum);
1892	}	2358	}
1893		2359
1894	void noinline	2360	void noinline
1895	ev_feed_signal_event (EV_P_ int signum)	2361	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1896	{	2362	{
1897	WL w;	2363	WL w;
1898		2364
1899	if (expect_false (signum <= 0 || signum > EV_NSIG))	2365	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1900	return;	2366	return;
1901		2367
1902	--signum;	2368	--signum;
1903		2369
1904	#if EV_MULTIPLICITY	2370	#if EV_MULTIPLICITY
…		…
1908	if (expect_false (signals [signum].loop != EV_A))	2374	if (expect_false (signals [signum].loop != EV_A))
1909	return;	2375	return;
1910	#endif	2376	#endif
1911		2377
1912	signals [signum].pending = 0;	2378	signals [signum].pending = 0;
		2379	ECB_MEMORY_FENCE_RELEASE;
1913		2380
1914	for (w = signals [signum].head; w; w = w->next)	2381	for (w = signals [signum].head; w; w = w->next)
1915	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2382	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1916	}	2383	}
1917		2384
…		…
2016	#if EV_USE_SELECT	2483	#if EV_USE_SELECT
2017	# include "ev_select.c"	2484	# include "ev_select.c"
2018	#endif	2485	#endif
2019		2486
2020	int ecb_cold	2487	int ecb_cold
2021	ev_version_major (void)	2488	ev_version_major (void) EV_THROW
2022	{	2489	{
2023	return EV_VERSION_MAJOR;	2490	return EV_VERSION_MAJOR;
2024	}	2491	}
2025		2492
2026	int ecb_cold	2493	int ecb_cold
2027	ev_version_minor (void)	2494	ev_version_minor (void) EV_THROW
2028	{	2495	{
2029	return EV_VERSION_MINOR;	2496	return EV_VERSION_MINOR;
2030	}	2497	}
2031		2498
2032	/* return true if we are running with elevated privileges and should ignore env variables */	2499	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2040	|| getgid () != getegid ();	2507	|| getgid () != getegid ();
2041	#endif	2508	#endif
2042	}	2509	}
2043		2510
2044	unsigned int ecb_cold	2511	unsigned int ecb_cold
2045	ev_supported_backends (void)	2512	ev_supported_backends (void) EV_THROW
2046	{	2513	{
2047	unsigned int flags = 0;	2514	unsigned int flags = 0;
2048		2515
2049	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2516	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2050	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2517	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2054		2521
2055	return flags;	2522	return flags;
2056	}	2523	}
2057		2524
2058	unsigned int ecb_cold	2525	unsigned int ecb_cold
2059	ev_recommended_backends (void)	2526	ev_recommended_backends (void) EV_THROW
2060	{	2527	{
2061	unsigned int flags = ev_supported_backends ();	2528	unsigned int flags = ev_supported_backends ();
2062		2529
2063	#ifndef __NetBSD__	2530	#ifndef __NetBSD__
2064	/* kqueue is borked on everything but netbsd apparently */	2531	/* kqueue is borked on everything but netbsd apparently */
…		…
2076		2543
2077	return flags;	2544	return flags;
2078	}	2545	}
2079		2546
2080	unsigned int ecb_cold	2547	unsigned int ecb_cold
2081	ev_embeddable_backends (void)	2548	ev_embeddable_backends (void) EV_THROW
2082	{	2549	{
2083	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2550	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2084		2551
2085	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2552	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2086	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2553	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2088		2555
2089	return flags;	2556	return flags;
2090	}	2557	}
2091		2558
2092	unsigned int	2559	unsigned int
2093	ev_backend (EV_P)	2560	ev_backend (EV_P) EV_THROW
2094	{	2561	{
2095	return backend;	2562	return backend;
2096	}	2563	}
2097		2564
2098	#if EV_FEATURE_API	2565	#if EV_FEATURE_API
2099	unsigned int	2566	unsigned int
2100	ev_iteration (EV_P)	2567	ev_iteration (EV_P) EV_THROW
2101	{	2568	{
2102	return loop_count;	2569	return loop_count;
2103	}	2570	}
2104		2571
2105	unsigned int	2572	unsigned int
2106	ev_depth (EV_P)	2573	ev_depth (EV_P) EV_THROW
2107	{	2574	{
2108	return loop_depth;	2575	return loop_depth;
2109	}	2576	}
2110		2577
2111	void	2578	void
2112	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2579	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2113	{	2580	{
2114	io_blocktime = interval;	2581	io_blocktime = interval;
2115	}	2582	}
2116		2583
2117	void	2584	void
2118	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2585	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2119	{	2586	{
2120	timeout_blocktime = interval;	2587	timeout_blocktime = interval;
2121	}	2588	}
2122		2589
2123	void	2590	void
2124	ev_set_userdata (EV_P_ void *data)	2591	ev_set_userdata (EV_P_ void *data) EV_THROW
2125	{	2592	{
2126	userdata = data;	2593	userdata = data;
2127	}	2594	}
2128		2595
2129	void *	2596	void *
2130	ev_userdata (EV_P)	2597	ev_userdata (EV_P) EV_THROW
2131	{	2598	{
2132	return userdata;	2599	return userdata;
2133	}	2600	}
2134		2601
2135	void	2602	void
2136	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2603	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
2137	{	2604	{
2138	invoke_cb = invoke_pending_cb;	2605	invoke_cb = invoke_pending_cb;
2139	}	2606	}
2140		2607
2141	void	2608	void
2142	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2609	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW
2143	{	2610	{
2144	release_cb = release;	2611	release_cb = release;
2145	acquire_cb = acquire;	2612	acquire_cb = acquire;
2146	}	2613	}
2147	#endif	2614	#endif
2148		2615
2149	/* initialise a loop structure, must be zero-initialised */	2616	/* initialise a loop structure, must be zero-initialised */
2150	static void noinline ecb_cold	2617	static void noinline ecb_cold
2151	loop_init (EV_P_ unsigned int flags)	2618	loop_init (EV_P_ unsigned int flags) EV_THROW
2152	{	2619	{
2153	if (!backend)	2620	if (!backend)
2154	{	2621	{
2155	origflags = flags;	2622	origflags = flags;
2156		2623
…		…
2201	#if EV_ASYNC_ENABLE	2668	#if EV_ASYNC_ENABLE
2202	async_pending = 0;	2669	async_pending = 0;
2203	#endif	2670	#endif
2204	pipe_write_skipped = 0;	2671	pipe_write_skipped = 0;
2205	pipe_write_wanted = 0;	2672	pipe_write_wanted = 0;
		2673	evpipe [0] = -1;
		2674	evpipe [1] = -1;
2206	#if EV_USE_INOTIFY	2675	#if EV_USE_INOTIFY
2207	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2676	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2208	#endif	2677	#endif
2209	#if EV_USE_SIGNALFD	2678	#if EV_USE_SIGNALFD
2210	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2679	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2261	EV_INVOKE_PENDING;	2730	EV_INVOKE_PENDING;
2262	}	2731	}
2263	#endif	2732	#endif
2264		2733
2265	#if EV_CHILD_ENABLE	2734	#if EV_CHILD_ENABLE
2266	if (ev_is_active (&childev))	2735	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2267	{	2736	{
2268	ev_ref (EV_A); /* child watcher */	2737	ev_ref (EV_A); /* child watcher */
2269	ev_signal_stop (EV_A_ &childev);	2738	ev_signal_stop (EV_A_ &childev);
2270	}	2739	}
2271	#endif	2740	#endif
…		…
2273	if (ev_is_active (&pipe_w))	2742	if (ev_is_active (&pipe_w))
2274	{	2743	{
2275	/*ev_ref (EV_A);*/	2744	/*ev_ref (EV_A);*/
2276	/*ev_io_stop (EV_A_ &pipe_w);*/	2745	/*ev_io_stop (EV_A_ &pipe_w);*/
2277		2746
2278	#if EV_USE_EVENTFD
2279	if (evfd >= 0)
2280	close (evfd);
2281	#endif
2282
2283	if (evpipe [0] >= 0)
2284	{
2285	EV_WIN32_CLOSE_FD (evpipe [0]);	2747	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2286	EV_WIN32_CLOSE_FD (evpipe [1]);	2748	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2287	}
2288	}	2749	}
2289		2750
2290	#if EV_USE_SIGNALFD	2751	#if EV_USE_SIGNALFD
2291	if (ev_is_active (&sigfd_w))	2752	if (ev_is_active (&sigfd_w))
2292	close (sigfd);	2753	close (sigfd);
…		…
2378	#endif	2839	#endif
2379	#if EV_USE_INOTIFY	2840	#if EV_USE_INOTIFY
2380	infy_fork (EV_A);	2841	infy_fork (EV_A);
2381	#endif	2842	#endif
2382		2843
		2844	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2383	if (ev_is_active (&pipe_w))	2845	if (ev_is_active (&pipe_w))
2384	{	2846	{
2385	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2847	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2386		2848
2387	ev_ref (EV_A);	2849	ev_ref (EV_A);
2388	ev_io_stop (EV_A_ &pipe_w);	2850	ev_io_stop (EV_A_ &pipe_w);
2389		2851
2390	#if EV_USE_EVENTFD
2391	if (evfd >= 0)
2392	close (evfd);
2393	#endif
2394
2395	if (evpipe [0] >= 0)	2852	if (evpipe [0] >= 0)
2396	{
2397	EV_WIN32_CLOSE_FD (evpipe [0]);	2853	EV_WIN32_CLOSE_FD (evpipe [0]);
2398	EV_WIN32_CLOSE_FD (evpipe [1]);
2399	}
2400		2854
2401	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2402	evpipe_init (EV_A);	2855	evpipe_init (EV_A);
2403	/* now iterate over everything, in case we missed something */	2856	/* iterate over everything, in case we missed something before */
2404	pipecb (EV_A_ &pipe_w, EV_READ);	2857	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2405	#endif
2406	}	2858	}
		2859	#endif
2407		2860
2408	postfork = 0;	2861	postfork = 0;
2409	}	2862	}
2410		2863
2411	#if EV_MULTIPLICITY	2864	#if EV_MULTIPLICITY
2412		2865
2413	struct ev_loop * ecb_cold	2866	struct ev_loop * ecb_cold
2414	ev_loop_new (unsigned int flags)	2867	ev_loop_new (unsigned int flags) EV_THROW
2415	{	2868	{
2416	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2869	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2417		2870
2418	memset (EV_A, 0, sizeof (struct ev_loop));	2871	memset (EV_A, 0, sizeof (struct ev_loop));
2419	loop_init (EV_A_ flags);	2872	loop_init (EV_A_ flags);
…		…
2463	}	2916	}
2464	#endif	2917	#endif
2465		2918
2466	#if EV_FEATURE_API	2919	#if EV_FEATURE_API
2467	void ecb_cold	2920	void ecb_cold
2468	ev_verify (EV_P)	2921	ev_verify (EV_P) EV_THROW
2469	{	2922	{
2470	#if EV_VERIFY	2923	#if EV_VERIFY
2471	int i;	2924	int i;
2472	WL w;	2925	WL w, w2;
2473		2926
2474	assert (activecnt >= -1);	2927	assert (activecnt >= -1);
2475		2928
2476	assert (fdchangemax >= fdchangecnt);	2929	assert (fdchangemax >= fdchangecnt);
2477	for (i = 0; i < fdchangecnt; ++i)	2930	for (i = 0; i < fdchangecnt; ++i)
2478	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2931	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2479		2932
2480	assert (anfdmax >= 0);	2933	assert (anfdmax >= 0);
2481	for (i = 0; i < anfdmax; ++i)	2934	for (i = 0; i < anfdmax; ++i)
		2935	{
		2936	int j = 0;
		2937
2482	for (w = anfds [i].head; w; w = w->next)	2938	for (w = w2 = anfds [i].head; w; w = w->next)
2483	{	2939	{
2484	verify_watcher (EV_A_ (W)w);	2940	verify_watcher (EV_A_ (W)w);
		2941
		2942	if (j++ & 1)
		2943	{
		2944	assert (("libev: io watcher list contains a loop", w != w2));
		2945	w2 = w2->next;
		2946	}
		2947
2485	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2948	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2486	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2949	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2487	}	2950	}
		2951	}
2488		2952
2489	assert (timermax >= timercnt);	2953	assert (timermax >= timercnt);
2490	verify_heap (EV_A_ timers, timercnt);	2954	verify_heap (EV_A_ timers, timercnt);
2491		2955
2492	#if EV_PERIODIC_ENABLE	2956	#if EV_PERIODIC_ENABLE
…		…
2542	#if EV_MULTIPLICITY	3006	#if EV_MULTIPLICITY
2543	struct ev_loop * ecb_cold	3007	struct ev_loop * ecb_cold
2544	#else	3008	#else
2545	int	3009	int
2546	#endif	3010	#endif
2547	ev_default_loop (unsigned int flags)	3011	ev_default_loop (unsigned int flags) EV_THROW
2548	{	3012	{
2549	if (!ev_default_loop_ptr)	3013	if (!ev_default_loop_ptr)
2550	{	3014	{
2551	#if EV_MULTIPLICITY	3015	#if EV_MULTIPLICITY
2552	EV_P = ev_default_loop_ptr = &default_loop_struct;	3016	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2571		3035
2572	return ev_default_loop_ptr;	3036	return ev_default_loop_ptr;
2573	}	3037	}
2574		3038
2575	void	3039	void
2576	ev_loop_fork (EV_P)	3040	ev_loop_fork (EV_P) EV_THROW
2577	{	3041	{
2578	postfork = 1; /* must be in line with ev_default_fork */	3042	postfork = 1;
2579	}	3043	}
2580		3044
2581	/*****************************************************************************/	3045	/*****************************************************************************/
2582		3046
2583	void	3047	void
…		…
2585	{	3049	{
2586	EV_CB_INVOKE ((W)w, revents);	3050	EV_CB_INVOKE ((W)w, revents);
2587	}	3051	}
2588		3052
2589	unsigned int	3053	unsigned int
2590	ev_pending_count (EV_P)	3054	ev_pending_count (EV_P) EV_THROW
2591	{	3055	{
2592	int pri;	3056	int pri;
2593	unsigned int count = 0;	3057	unsigned int count = 0;
2594		3058
2595	for (pri = NUMPRI; pri--; )	3059	for (pri = NUMPRI; pri--; )
…		…
2599	}	3063	}
2600		3064
2601	void noinline	3065	void noinline
2602	ev_invoke_pending (EV_P)	3066	ev_invoke_pending (EV_P)
2603	{	3067	{
2604	int pri;	3068	pendingpri = NUMPRI;
2605		3069
2606	for (pri = NUMPRI; pri--; )	3070	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3071	{
		3072	--pendingpri;
		3073
2607	while (pendingcnt [pri])	3074	while (pendingcnt [pendingpri])
2608	{	3075	{
2609	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3076	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2610		3077
2611	p->w->pending = 0;	3078	p->w->pending = 0;
2612	EV_CB_INVOKE (p->w, p->events);	3079	EV_CB_INVOKE (p->w, p->events);
2613	EV_FREQUENT_CHECK;	3080	EV_FREQUENT_CHECK;
2614	}	3081	}
		3082	}
2615	}	3083	}
2616		3084
2617	#if EV_IDLE_ENABLE	3085	#if EV_IDLE_ENABLE
2618	/* make idle watchers pending. this handles the "call-idle */	3086	/* make idle watchers pending. this handles the "call-idle */
2619	/* only when higher priorities are idle" logic */	3087	/* only when higher priorities are idle" logic */
…		…
2709	{	3177	{
2710	EV_FREQUENT_CHECK;	3178	EV_FREQUENT_CHECK;
2711		3179
2712	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3180	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2713	{	3181	{
2714	int feed_count = 0;
2715
2716	do	3182	do
2717	{	3183	{
2718	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3184	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2719		3185
2720	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3186	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2854		3320
2855	mn_now = ev_rt_now;	3321	mn_now = ev_rt_now;
2856	}	3322	}
2857	}	3323	}
2858		3324
2859	void	3325	int
2860	ev_run (EV_P_ int flags)	3326	ev_run (EV_P_ int flags)
2861	{	3327	{
2862	#if EV_FEATURE_API	3328	#if EV_FEATURE_API
2863	++loop_depth;	3329	++loop_depth;
2864	#endif	3330	#endif
…		…
2977	#endif	3443	#endif
2978	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3444	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2979	backend_poll (EV_A_ waittime);	3445	backend_poll (EV_A_ waittime);
2980	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3446	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2981		3447
2982	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3448	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2983		3449
		3450	ECB_MEMORY_FENCE_ACQUIRE;
2984	if (pipe_write_skipped)	3451	if (pipe_write_skipped)
2985	{	3452	{
2986	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3453	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2987	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3454	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2988	}	3455	}
…		…
3021	loop_done = EVBREAK_CANCEL;	3488	loop_done = EVBREAK_CANCEL;
3022		3489
3023	#if EV_FEATURE_API	3490	#if EV_FEATURE_API
3024	--loop_depth;	3491	--loop_depth;
3025	#endif	3492	#endif
		3493
		3494	return activecnt;
3026	}	3495	}
3027		3496
3028	void	3497	void
3029	ev_break (EV_P_ int how)	3498	ev_break (EV_P_ int how) EV_THROW
3030	{	3499	{
3031	loop_done = how;	3500	loop_done = how;
3032	}	3501	}
3033		3502
3034	void	3503	void
3035	ev_ref (EV_P)	3504	ev_ref (EV_P) EV_THROW
3036	{	3505	{
3037	++activecnt;	3506	++activecnt;
3038	}	3507	}
3039		3508
3040	void	3509	void
3041	ev_unref (EV_P)	3510	ev_unref (EV_P) EV_THROW
3042	{	3511	{
3043	--activecnt;	3512	--activecnt;
3044	}	3513	}
3045		3514
3046	void	3515	void
3047	ev_now_update (EV_P)	3516	ev_now_update (EV_P) EV_THROW
3048	{	3517	{
3049	time_update (EV_A_ 1e100);	3518	time_update (EV_A_ 1e100);
3050	}	3519	}
3051		3520
3052	void	3521	void
3053	ev_suspend (EV_P)	3522	ev_suspend (EV_P) EV_THROW
3054	{	3523	{
3055	ev_now_update (EV_A);	3524	ev_now_update (EV_A);
3056	}	3525	}
3057		3526
3058	void	3527	void
3059	ev_resume (EV_P)	3528	ev_resume (EV_P) EV_THROW
3060	{	3529	{
3061	ev_tstamp mn_prev = mn_now;	3530	ev_tstamp mn_prev = mn_now;
3062		3531
3063	ev_now_update (EV_A);	3532	ev_now_update (EV_A);
3064	timers_reschedule (EV_A_ mn_now - mn_prev);	3533	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3103	w->pending = 0;	3572	w->pending = 0;
3104	}	3573	}
3105	}	3574	}
3106		3575
3107	int	3576	int
3108	ev_clear_pending (EV_P_ void *w)	3577	ev_clear_pending (EV_P_ void *w) EV_THROW
3109	{	3578	{
3110	W w_ = (W)w;	3579	W w_ = (W)w;
3111	int pending = w_->pending;	3580	int pending = w_->pending;
3112		3581
3113	if (expect_true (pending))	3582	if (expect_true (pending))
…		…
3146	}	3615	}
3147		3616
3148	/*****************************************************************************/	3617	/*****************************************************************************/
3149		3618
3150	void noinline	3619	void noinline
3151	ev_io_start (EV_P_ ev_io *w)	3620	ev_io_start (EV_P_ ev_io *w) EV_THROW
3152	{	3621	{
3153	int fd = w->fd;	3622	int fd = w->fd;
3154		3623
3155	if (expect_false (ev_is_active (w)))	3624	if (expect_false (ev_is_active (w)))
3156	return;	3625	return;
…		…
3162		3631
3163	ev_start (EV_A_ (W)w, 1);	3632	ev_start (EV_A_ (W)w, 1);
3164	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3633	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3165	wlist_add (&anfds[fd].head, (WL)w);	3634	wlist_add (&anfds[fd].head, (WL)w);
3166		3635
		3636	/* common bug, apparently */
		3637	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3638
3167	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3639	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3168	w->events &= ~EV__IOFDSET;	3640	w->events &= ~EV__IOFDSET;
3169		3641
3170	EV_FREQUENT_CHECK;	3642	EV_FREQUENT_CHECK;
3171	}	3643	}
3172		3644
3173	void noinline	3645	void noinline
3174	ev_io_stop (EV_P_ ev_io *w)	3646	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3175	{	3647	{
3176	clear_pending (EV_A_ (W)w);	3648	clear_pending (EV_A_ (W)w);
3177	if (expect_false (!ev_is_active (w)))	3649	if (expect_false (!ev_is_active (w)))
3178	return;	3650	return;
3179		3651
…		…
3188		3660
3189	EV_FREQUENT_CHECK;	3661	EV_FREQUENT_CHECK;
3190	}	3662	}
3191		3663
3192	void noinline	3664	void noinline
3193	ev_timer_start (EV_P_ ev_timer *w)	3665	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3194	{	3666	{
3195	if (expect_false (ev_is_active (w)))	3667	if (expect_false (ev_is_active (w)))
3196	return;	3668	return;
3197		3669
3198	ev_at (w) += mn_now;	3670	ev_at (w) += mn_now;
…		…
3212		3684
3213	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3685	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3214	}	3686	}
3215		3687
3216	void noinline	3688	void noinline
3217	ev_timer_stop (EV_P_ ev_timer *w)	3689	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3218	{	3690	{
3219	clear_pending (EV_A_ (W)w);	3691	clear_pending (EV_A_ (W)w);
3220	if (expect_false (!ev_is_active (w)))	3692	if (expect_false (!ev_is_active (w)))
3221	return;	3693	return;
3222		3694
…		…
3242		3714
3243	EV_FREQUENT_CHECK;	3715	EV_FREQUENT_CHECK;
3244	}	3716	}
3245		3717
3246	void noinline	3718	void noinline
3247	ev_timer_again (EV_P_ ev_timer *w)	3719	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3248	{	3720	{
3249	EV_FREQUENT_CHECK;	3721	EV_FREQUENT_CHECK;
		3722
		3723	clear_pending (EV_A_ (W)w);
3250		3724
3251	if (ev_is_active (w))	3725	if (ev_is_active (w))
3252	{	3726	{
3253	if (w->repeat)	3727	if (w->repeat)
3254	{	3728	{
…		…
3267		3741
3268	EV_FREQUENT_CHECK;	3742	EV_FREQUENT_CHECK;
3269	}	3743	}
3270		3744
3271	ev_tstamp	3745	ev_tstamp
3272	ev_timer_remaining (EV_P_ ev_timer *w)	3746	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3273	{	3747	{
3274	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3748	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3275	}	3749	}
3276		3750
3277	#if EV_PERIODIC_ENABLE	3751	#if EV_PERIODIC_ENABLE
3278	void noinline	3752	void noinline
3279	ev_periodic_start (EV_P_ ev_periodic *w)	3753	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3280	{	3754	{
3281	if (expect_false (ev_is_active (w)))	3755	if (expect_false (ev_is_active (w)))
3282	return;	3756	return;
3283		3757
3284	if (w->reschedule_cb)	3758	if (w->reschedule_cb)
…		…
3304		3778
3305	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3779	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3306	}	3780	}
3307		3781
3308	void noinline	3782	void noinline
3309	ev_periodic_stop (EV_P_ ev_periodic *w)	3783	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3310	{	3784	{
3311	clear_pending (EV_A_ (W)w);	3785	clear_pending (EV_A_ (W)w);
3312	if (expect_false (!ev_is_active (w)))	3786	if (expect_false (!ev_is_active (w)))
3313	return;	3787	return;
3314		3788
…		…
3332		3806
3333	EV_FREQUENT_CHECK;	3807	EV_FREQUENT_CHECK;
3334	}	3808	}
3335		3809
3336	void noinline	3810	void noinline
3337	ev_periodic_again (EV_P_ ev_periodic *w)	3811	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3338	{	3812	{
3339	/* TODO: use adjustheap and recalculation */	3813	/* TODO: use adjustheap and recalculation */
3340	ev_periodic_stop (EV_A_ w);	3814	ev_periodic_stop (EV_A_ w);
3341	ev_periodic_start (EV_A_ w);	3815	ev_periodic_start (EV_A_ w);
3342	}	3816	}
…		…
3347	#endif	3821	#endif
3348		3822
3349	#if EV_SIGNAL_ENABLE	3823	#if EV_SIGNAL_ENABLE
3350		3824
3351	void noinline	3825	void noinline
3352	ev_signal_start (EV_P_ ev_signal *w)	3826	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3353	{	3827	{
3354	if (expect_false (ev_is_active (w)))	3828	if (expect_false (ev_is_active (w)))
3355	return;	3829	return;
3356		3830
3357	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3831	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3359	#if EV_MULTIPLICITY	3833	#if EV_MULTIPLICITY
3360	assert (("libev: a signal must not be attached to two different loops",	3834	assert (("libev: a signal must not be attached to two different loops",
3361	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3835	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3362		3836
3363	signals [w->signum - 1].loop = EV_A;	3837	signals [w->signum - 1].loop = EV_A;
		3838	ECB_MEMORY_FENCE_RELEASE;
3364	#endif	3839	#endif
3365		3840
3366	EV_FREQUENT_CHECK;	3841	EV_FREQUENT_CHECK;
3367		3842
3368	#if EV_USE_SIGNALFD	3843	#if EV_USE_SIGNALFD
…		…
3428		3903
3429	EV_FREQUENT_CHECK;	3904	EV_FREQUENT_CHECK;
3430	}	3905	}
3431		3906
3432	void noinline	3907	void noinline
3433	ev_signal_stop (EV_P_ ev_signal *w)	3908	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3434	{	3909	{
3435	clear_pending (EV_A_ (W)w);	3910	clear_pending (EV_A_ (W)w);
3436	if (expect_false (!ev_is_active (w)))	3911	if (expect_false (!ev_is_active (w)))
3437	return;	3912	return;
3438		3913
…		…
3469	#endif	3944	#endif
3470		3945
3471	#if EV_CHILD_ENABLE	3946	#if EV_CHILD_ENABLE
3472		3947
3473	void	3948	void
3474	ev_child_start (EV_P_ ev_child *w)	3949	ev_child_start (EV_P_ ev_child *w) EV_THROW
3475	{	3950	{
3476	#if EV_MULTIPLICITY	3951	#if EV_MULTIPLICITY
3477	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3952	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3478	#endif	3953	#endif
3479	if (expect_false (ev_is_active (w)))	3954	if (expect_false (ev_is_active (w)))
…		…
3486		3961
3487	EV_FREQUENT_CHECK;	3962	EV_FREQUENT_CHECK;
3488	}	3963	}
3489		3964
3490	void	3965	void
3491	ev_child_stop (EV_P_ ev_child *w)	3966	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3492	{	3967	{
3493	clear_pending (EV_A_ (W)w);	3968	clear_pending (EV_A_ (W)w);
3494	if (expect_false (!ev_is_active (w)))	3969	if (expect_false (!ev_is_active (w)))
3495	return;	3970	return;
3496		3971
…		…
3523	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3998	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3524		3999
3525	static void noinline	4000	static void noinline
3526	infy_add (EV_P_ ev_stat *w)	4001	infy_add (EV_P_ ev_stat *w)
3527	{	4002	{
3528	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);	4003	w->wd = inotify_add_watch (fs_fd, w->path,
		4004	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		4005	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		4006	| IN_DONT_FOLLOW | IN_MASK_ADD);
3529		4007
3530	if (w->wd >= 0)	4008	if (w->wd >= 0)
3531	{	4009	{
3532	struct statfs sfs;	4010	struct statfs sfs;
3533		4011
…		…
3537		4015
3538	if (!fs_2625)	4016	if (!fs_2625)
3539	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	4017	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3540	else if (!statfs (w->path, &sfs)	4018	else if (!statfs (w->path, &sfs)
3541	&& (sfs.f_type == 0x1373 /* devfs */	4019	&& (sfs.f_type == 0x1373 /* devfs */
		4020	|| sfs.f_type == 0x4006 /* fat */
		4021	|| sfs.f_type == 0x4d44 /* msdos */
3542	|| sfs.f_type == 0xEF53 /* ext2/3 */	4022	|| sfs.f_type == 0xEF53 /* ext2/3 */
		4023	|| sfs.f_type == 0x72b6 /* jffs2 */
		4024	|| sfs.f_type == 0x858458f6 /* ramfs */
		4025	|| sfs.f_type == 0x5346544e /* ntfs */
3543	|| sfs.f_type == 0x3153464a /* jfs */	4026	|| sfs.f_type == 0x3153464a /* jfs */
		4027	|| sfs.f_type == 0x9123683e /* btrfs */
3544	|| sfs.f_type == 0x52654973 /* reiser3 */	4028	|| sfs.f_type == 0x52654973 /* reiser3 */
3545	|| sfs.f_type == 0x01021994 /* tempfs */	4029	|| sfs.f_type == 0x01021994 /* tmpfs */
3546	|| sfs.f_type == 0x58465342 /* xfs */))	4030	|| sfs.f_type == 0x58465342 /* xfs */))
3547	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	4031	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3548	else	4032	else
3549	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	4033	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3550	}	4034	}
…		…
3663	}	4147	}
3664		4148
3665	inline_size int	4149	inline_size int
3666	infy_newfd (void)	4150	infy_newfd (void)
3667	{	4151	{
3668	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4152	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3669	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4153	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3670	if (fd >= 0)	4154	if (fd >= 0)
3671	return fd;	4155	return fd;
3672	#endif	4156	#endif
3673	return inotify_init ();	4157	return inotify_init ();
…		…
3748	#else	4232	#else
3749	# define EV_LSTAT(p,b) lstat (p, b)	4233	# define EV_LSTAT(p,b) lstat (p, b)
3750	#endif	4234	#endif
3751		4235
3752	void	4236	void
3753	ev_stat_stat (EV_P_ ev_stat *w)	4237	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3754	{	4238	{
3755	if (lstat (w->path, &w->attr) < 0)	4239	if (lstat (w->path, &w->attr) < 0)
3756	w->attr.st_nlink = 0;	4240	w->attr.st_nlink = 0;
3757	else if (!w->attr.st_nlink)	4241	else if (!w->attr.st_nlink)
3758	w->attr.st_nlink = 1;	4242	w->attr.st_nlink = 1;
…		…
3797	ev_feed_event (EV_A_ w, EV_STAT);	4281	ev_feed_event (EV_A_ w, EV_STAT);
3798	}	4282	}
3799	}	4283	}
3800		4284
3801	void	4285	void
3802	ev_stat_start (EV_P_ ev_stat *w)	4286	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3803	{	4287	{
3804	if (expect_false (ev_is_active (w)))	4288	if (expect_false (ev_is_active (w)))
3805	return;	4289	return;
3806		4290
3807	ev_stat_stat (EV_A_ w);	4291	ev_stat_stat (EV_A_ w);
…		…
3828		4312
3829	EV_FREQUENT_CHECK;	4313	EV_FREQUENT_CHECK;
3830	}	4314	}
3831		4315
3832	void	4316	void
3833	ev_stat_stop (EV_P_ ev_stat *w)	4317	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3834	{	4318	{
3835	clear_pending (EV_A_ (W)w);	4319	clear_pending (EV_A_ (W)w);
3836	if (expect_false (!ev_is_active (w)))	4320	if (expect_false (!ev_is_active (w)))
3837	return;	4321	return;
3838		4322
…		…
3854	}	4338	}
3855	#endif	4339	#endif
3856		4340
3857	#if EV_IDLE_ENABLE	4341	#if EV_IDLE_ENABLE
3858	void	4342	void
3859	ev_idle_start (EV_P_ ev_idle *w)	4343	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3860	{	4344	{
3861	if (expect_false (ev_is_active (w)))	4345	if (expect_false (ev_is_active (w)))
3862	return;	4346	return;
3863		4347
3864	pri_adjust (EV_A_ (W)w);	4348	pri_adjust (EV_A_ (W)w);
…		…
3877		4361
3878	EV_FREQUENT_CHECK;	4362	EV_FREQUENT_CHECK;
3879	}	4363	}
3880		4364
3881	void	4365	void
3882	ev_idle_stop (EV_P_ ev_idle *w)	4366	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3883	{	4367	{
3884	clear_pending (EV_A_ (W)w);	4368	clear_pending (EV_A_ (W)w);
3885	if (expect_false (!ev_is_active (w)))	4369	if (expect_false (!ev_is_active (w)))
3886	return;	4370	return;
3887		4371
…		…
3901	}	4385	}
3902	#endif	4386	#endif
3903		4387
3904	#if EV_PREPARE_ENABLE	4388	#if EV_PREPARE_ENABLE
3905	void	4389	void
3906	ev_prepare_start (EV_P_ ev_prepare *w)	4390	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3907	{	4391	{
3908	if (expect_false (ev_is_active (w)))	4392	if (expect_false (ev_is_active (w)))
3909	return;	4393	return;
3910		4394
3911	EV_FREQUENT_CHECK;	4395	EV_FREQUENT_CHECK;
…		…
3916		4400
3917	EV_FREQUENT_CHECK;	4401	EV_FREQUENT_CHECK;
3918	}	4402	}
3919		4403
3920	void	4404	void
3921	ev_prepare_stop (EV_P_ ev_prepare *w)	4405	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3922	{	4406	{
3923	clear_pending (EV_A_ (W)w);	4407	clear_pending (EV_A_ (W)w);
3924	if (expect_false (!ev_is_active (w)))	4408	if (expect_false (!ev_is_active (w)))
3925	return;	4409	return;
3926		4410
…		…
3939	}	4423	}
3940	#endif	4424	#endif
3941		4425
3942	#if EV_CHECK_ENABLE	4426	#if EV_CHECK_ENABLE
3943	void	4427	void
3944	ev_check_start (EV_P_ ev_check *w)	4428	ev_check_start (EV_P_ ev_check *w) EV_THROW
3945	{	4429	{
3946	if (expect_false (ev_is_active (w)))	4430	if (expect_false (ev_is_active (w)))
3947	return;	4431	return;
3948		4432
3949	EV_FREQUENT_CHECK;	4433	EV_FREQUENT_CHECK;
…		…
3954		4438
3955	EV_FREQUENT_CHECK;	4439	EV_FREQUENT_CHECK;
3956	}	4440	}
3957		4441
3958	void	4442	void
3959	ev_check_stop (EV_P_ ev_check *w)	4443	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3960	{	4444	{
3961	clear_pending (EV_A_ (W)w);	4445	clear_pending (EV_A_ (W)w);
3962	if (expect_false (!ev_is_active (w)))	4446	if (expect_false (!ev_is_active (w)))
3963	return;	4447	return;
3964		4448
…		…
3977	}	4461	}
3978	#endif	4462	#endif
3979		4463
3980	#if EV_EMBED_ENABLE	4464	#if EV_EMBED_ENABLE
3981	void noinline	4465	void noinline
3982	ev_embed_sweep (EV_P_ ev_embed *w)	4466	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3983	{	4467	{
3984	ev_run (w->other, EVRUN_NOWAIT);	4468	ev_run (w->other, EVRUN_NOWAIT);
3985	}	4469	}
3986		4470
3987	static void	4471	static void
…		…
4035	ev_idle_stop (EV_A_ idle);	4519	ev_idle_stop (EV_A_ idle);
4036	}	4520	}
4037	#endif	4521	#endif
4038		4522
4039	void	4523	void
4040	ev_embed_start (EV_P_ ev_embed *w)	4524	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4041	{	4525	{
4042	if (expect_false (ev_is_active (w)))	4526	if (expect_false (ev_is_active (w)))
4043	return;	4527	return;
4044		4528
4045	{	4529	{
…		…
4066		4550
4067	EV_FREQUENT_CHECK;	4551	EV_FREQUENT_CHECK;
4068	}	4552	}
4069		4553
4070	void	4554	void
4071	ev_embed_stop (EV_P_ ev_embed *w)	4555	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4072	{	4556	{
4073	clear_pending (EV_A_ (W)w);	4557	clear_pending (EV_A_ (W)w);
4074	if (expect_false (!ev_is_active (w)))	4558	if (expect_false (!ev_is_active (w)))
4075	return;	4559	return;
4076		4560
…		…
4086	}	4570	}
4087	#endif	4571	#endif
4088		4572
4089	#if EV_FORK_ENABLE	4573	#if EV_FORK_ENABLE
4090	void	4574	void
4091	ev_fork_start (EV_P_ ev_fork *w)	4575	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4092	{	4576	{
4093	if (expect_false (ev_is_active (w)))	4577	if (expect_false (ev_is_active (w)))
4094	return;	4578	return;
4095		4579
4096	EV_FREQUENT_CHECK;	4580	EV_FREQUENT_CHECK;
…		…
4101		4585
4102	EV_FREQUENT_CHECK;	4586	EV_FREQUENT_CHECK;
4103	}	4587	}
4104		4588
4105	void	4589	void
4106	ev_fork_stop (EV_P_ ev_fork *w)	4590	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4107	{	4591	{
4108	clear_pending (EV_A_ (W)w);	4592	clear_pending (EV_A_ (W)w);
4109	if (expect_false (!ev_is_active (w)))	4593	if (expect_false (!ev_is_active (w)))
4110	return;	4594	return;
4111		4595
…		…
4124	}	4608	}
4125	#endif	4609	#endif
4126		4610
4127	#if EV_CLEANUP_ENABLE	4611	#if EV_CLEANUP_ENABLE
4128	void	4612	void
4129	ev_cleanup_start (EV_P_ ev_cleanup *w)	4613	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4130	{	4614	{
4131	if (expect_false (ev_is_active (w)))	4615	if (expect_false (ev_is_active (w)))
4132	return;	4616	return;
4133		4617
4134	EV_FREQUENT_CHECK;	4618	EV_FREQUENT_CHECK;
…		…
4141	ev_unref (EV_A);	4625	ev_unref (EV_A);
4142	EV_FREQUENT_CHECK;	4626	EV_FREQUENT_CHECK;
4143	}	4627	}
4144		4628
4145	void	4629	void
4146	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4630	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4147	{	4631	{
4148	clear_pending (EV_A_ (W)w);	4632	clear_pending (EV_A_ (W)w);
4149	if (expect_false (!ev_is_active (w)))	4633	if (expect_false (!ev_is_active (w)))
4150	return;	4634	return;
4151		4635
…		…
4165	}	4649	}
4166	#endif	4650	#endif
4167		4651
4168	#if EV_ASYNC_ENABLE	4652	#if EV_ASYNC_ENABLE
4169	void	4653	void
4170	ev_async_start (EV_P_ ev_async *w)	4654	ev_async_start (EV_P_ ev_async *w) EV_THROW
4171	{	4655	{
4172	if (expect_false (ev_is_active (w)))	4656	if (expect_false (ev_is_active (w)))
4173	return;	4657	return;
4174		4658
4175	w->sent = 0;	4659	w->sent = 0;
…		…
4184		4668
4185	EV_FREQUENT_CHECK;	4669	EV_FREQUENT_CHECK;
4186	}	4670	}
4187		4671
4188	void	4672	void
4189	ev_async_stop (EV_P_ ev_async *w)	4673	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4190	{	4674	{
4191	clear_pending (EV_A_ (W)w);	4675	clear_pending (EV_A_ (W)w);
4192	if (expect_false (!ev_is_active (w)))	4676	if (expect_false (!ev_is_active (w)))
4193	return;	4677	return;
4194		4678
…		…
4205		4689
4206	EV_FREQUENT_CHECK;	4690	EV_FREQUENT_CHECK;
4207	}	4691	}
4208		4692
4209	void	4693	void
4210	ev_async_send (EV_P_ ev_async *w)	4694	ev_async_send (EV_P_ ev_async *w) EV_THROW
4211	{	4695	{
4212	w->sent = 1;	4696	w->sent = 1;
4213	evpipe_write (EV_A_ &async_pending);	4697	evpipe_write (EV_A_ &async_pending);
4214	}	4698	}
4215	#endif	4699	#endif
…		…
4252		4736
4253	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4737	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4254	}	4738	}
4255		4739
4256	void	4740	void
4257	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4741	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4258	{	4742	{
4259	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4743	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4260		4744
4261	if (expect_false (!once))	4745	if (expect_false (!once))
4262	{	4746	{
…		…
4284		4768
4285	/*****************************************************************************/	4769	/*****************************************************************************/
4286		4770
4287	#if EV_WALK_ENABLE	4771	#if EV_WALK_ENABLE
4288	void ecb_cold	4772	void ecb_cold
4289	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4773	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4290	{	4774	{
4291	int i, j;	4775	int i, j;
4292	ev_watcher_list *wl, *wn;	4776	ev_watcher_list *wl, *wn;
4293		4777
4294	if (types & (EV_IO | EV_EMBED))	4778	if (types & (EV_IO | EV_EMBED))
…		…
4400		4884
4401	#if EV_MULTIPLICITY	4885	#if EV_MULTIPLICITY
4402	#include "ev_wrap.h"	4886	#include "ev_wrap.h"
4403	#endif	4887	#endif
4404		4888
4405	EV_CPP(})
4406

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