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Comparing libev/ev.c (file contents):
Revision 1.412 by root, Wed Feb 22 01:53:00 2012 UTC vs.
Revision 1.450 by root, Mon Oct 8 15:43:35 2012 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 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	*
…		…
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
…		…
201	# include <sys/wait.h>	201	# include <sys/wait.h>
202	# include <unistd.h>	202	# include <unistd.h>
203	#else	203	#else
204	# include <io.h>	204	# include <io.h>
205	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
206	# include <windows.h>	207	# include <windows.h>
207	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
208	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
209	# endif	210	# endif
210	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
219	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
220		221
221	/* 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 */
222		223
223	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
224	#if defined (EV_NSIG)	225	#if defined EV_NSIG
225	/* use what's provided */	226	/* use what's provided */
226	#elif defined (NSIG)	227	#elif defined NSIG
227	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
228	#elif defined(_NSIG)	229	#elif defined _NSIG
229	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
230	#elif defined (SIGMAX)	231	#elif defined SIGMAX
231	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
232	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
233	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
234	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
235	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
236	#elif defined (MAXSIG)	237	#elif defined MAXSIG
237	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
238	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
239	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
240	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
241	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
242	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
243	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
244	#else	245	#else
245	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
246	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
247	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
259	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
260	# endif	261	# endif
261	#endif	262	#endif
262		263
263	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
264	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
265	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
266	# else	267	# else
267	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
268	# endif	269	# endif
269	#endif	270	#endif
…		…
359	#endif	360	#endif
360		361
361	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	362	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
362	/* which makes programs even slower. might work on other unices, too. */	363	/* which makes programs even slower. might work on other unices, too. */
363	#if EV_USE_CLOCK_SYSCALL	364	#if EV_USE_CLOCK_SYSCALL
364	# include <syscall.h>	365	# include <sys/syscall.h>
365	# ifdef SYS_clock_gettime	366	# ifdef SYS_clock_gettime
366	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	367	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
367	# undef EV_USE_MONOTONIC	368	# undef EV_USE_MONOTONIC
368	# define EV_USE_MONOTONIC 1	369	# define EV_USE_MONOTONIC 1
369	# else	370	# else
…		…
395	# define EV_USE_INOTIFY 0	396	# define EV_USE_INOTIFY 0
396	#endif	397	#endif
397		398
398	#if !EV_USE_NANOSLEEP	399	#if !EV_USE_NANOSLEEP
399	/* hp-ux has it in sys/time.h, which we unconditionally include above */	400	/* hp-ux has it in sys/time.h, which we unconditionally include above */
400	# if !defined(_WIN32) && !defined(__hpux)	401	# if !defined _WIN32 && !defined __hpux
401	# include <sys/select.h>	402	# include <sys/select.h>
402	# endif	403	# endif
403	#endif	404	#endif
404		405
405	#if EV_USE_INOTIFY	406	#if EV_USE_INOTIFY
…		…
408	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	409	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
409	# ifndef IN_DONT_FOLLOW	410	# ifndef IN_DONT_FOLLOW
410	# undef EV_USE_INOTIFY	411	# undef EV_USE_INOTIFY
411	# define EV_USE_INOTIFY 0	412	# define EV_USE_INOTIFY 0
412	# endif	413	# endif
413	#endif
414
415	#if EV_SELECT_IS_WINSOCKET
416	# include <winsock.h>
417	#endif	414	#endif
418		415
419	#if EV_USE_EVENTFD	416	#if EV_USE_EVENTFD
420	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	417	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
421	# include <stdint.h>	418	# include <stdint.h>
…		…
507	*/	504	*/
508		505
509	#ifndef ECB_H	506	#ifndef ECB_H
510	#define ECB_H	507	#define ECB_H
511		508
		509	/* 16 bits major, 16 bits minor */
		510	#define ECB_VERSION 0x00010002
		511
512	#ifdef _WIN32	512	#ifdef _WIN32
513	typedef signed char int8_t;	513	typedef signed char int8_t;
514	typedef unsigned char uint8_t;	514	typedef unsigned char uint8_t;
515	typedef signed short int16_t;	515	typedef signed short int16_t;
516	typedef unsigned short uint16_t;	516	typedef unsigned short uint16_t;
…		…
521	typedef unsigned long long uint64_t;	521	typedef unsigned long long uint64_t;
522	#else /* _MSC_VER || __BORLANDC__ */	522	#else /* _MSC_VER || __BORLANDC__ */
523	typedef signed __int64 int64_t;	523	typedef signed __int64 int64_t;
524	typedef unsigned __int64 uint64_t;	524	typedef unsigned __int64 uint64_t;
525	#endif	525	#endif
		526	#ifdef _WIN64
		527	#define ECB_PTRSIZE 8
		528	typedef uint64_t uintptr_t;
		529	typedef int64_t intptr_t;
		530	#else
		531	#define ECB_PTRSIZE 4
		532	typedef uint32_t uintptr_t;
		533	typedef int32_t intptr_t;
		534	#endif
526	#else	535	#else
527	#include <inttypes.h>	536	#include <inttypes.h>
		537	#if UINTMAX_MAX > 0xffffffffU
		538	#define ECB_PTRSIZE 8
		539	#else
		540	#define ECB_PTRSIZE 4
		541	#endif
528	#endif	542	#endif
529		543
530	/* many compilers define _GNUC_ to some versions but then only implement	544	/* many compilers define _GNUC_ to some versions but then only implement
531	* what their idiot authors think are the "more important" extensions,	545	* what their idiot authors think are the "more important" extensions,
532	* causing enormous grief in return for some better fake benchmark numbers.	546	* causing enormous grief in return for some better fake benchmark numbers.
533	* or so.	547	* or so.
534	* we try to detect these and simply assume they are not gcc - if they have	548	* we try to detect these and simply assume they are not gcc - if they have
535	* an issue with that they should have done it right in the first place.	549	* an issue with that they should have done it right in the first place.
536	*/	550	*/
537	#ifndef ECB_GCC_VERSION	551	#ifndef ECB_GCC_VERSION
538	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	552	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
539	#define ECB_GCC_VERSION(major,minor) 0	553	#define ECB_GCC_VERSION(major,minor) 0
540	#else	554	#else
541	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	555	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
542	#endif	556	#endif
543	#endif	557	#endif
544		558
		559	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		560	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		561	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		562	#define ECB_CPP (__cplusplus+0)
		563	#define ECB_CPP11 (__cplusplus >= 201103L)
		564
		565	#if ECB_CPP
		566	#define ECB_EXTERN_C extern "C"
		567	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		568	#define ECB_EXTERN_C_END }
		569	#else
		570	#define ECB_EXTERN_C extern
		571	#define ECB_EXTERN_C_BEG
		572	#define ECB_EXTERN_C_END
		573	#endif
		574
545	/*****************************************************************************/	575	/*****************************************************************************/
546		576
547	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	577	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
548	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	578	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
549		579
550	#if ECB_NO_THREADS	580	#if ECB_NO_THREADS
551	# define ECB_NO_SMP 1	581	#define ECB_NO_SMP 1
552	#endif	582	#endif
553		583
554	#if ECB_NO_THREADS || ECB_NO_SMP	584	#if ECB_NO_SMP
555	#define ECB_MEMORY_FENCE do { } while (0)	585	#define ECB_MEMORY_FENCE do { } while (0)
556	#endif	586	#endif
557		587
558	#ifndef ECB_MEMORY_FENCE	588	#ifndef ECB_MEMORY_FENCE
559	#if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	589	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
560	#if __i386 || __i386__	590	#if __i386 || __i386__
561	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	591	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
562	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	592	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
563	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	593	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
564	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	594	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
565	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	595	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
566	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	596	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
567	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	597	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
568	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	598	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
569	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	599	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
570	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	600	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
571	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	601	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
572	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	602	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
573	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	603	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
574	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	604	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
575	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	605	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
576	#elif __sparc || __sparc__	606	#elif __sparc || __sparc__
577	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")	607	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
578	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
579	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580	#elif defined(__s390__) || defined(__s390x__)	610	#elif defined __s390__ || defined __s390x__
581	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
582	#elif defined(__mips__)	612	#elif defined __mips__
583	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	613	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		614	#elif defined __alpha__
		615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		616	#elif defined __hppa__
		617	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		618	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		619	#elif defined __ia64__
		620	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
584	#endif	621	#endif
585	#endif	622	#endif
586	#endif	623	#endif
587		624
588	#ifndef ECB_MEMORY_FENCE	625	#ifndef ECB_MEMORY_FENCE
		626	#if ECB_GCC_VERSION(4,7)
		627	/* see comment below (stdatomic.h) about the C11 memory model. */
		628	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		629
		630	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		631	* without risking compile time errors with other compilers. We *could*
		632	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		633	* around this shit time and again.
		634	* #elif defined __clang && __has_feature (cxx_atomic)
		635	* // see comment below (stdatomic.h) about the C11 memory model.
		636	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		637	*/
		638
589	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)	639	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
590	#define ECB_MEMORY_FENCE __sync_synchronize ()	640	#define ECB_MEMORY_FENCE __sync_synchronize ()
591	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
592	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
593	#elif _MSC_VER >= 1400 /* VC++ 2005 */	641	#elif _MSC_VER >= 1400 /* VC++ 2005 */
594	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	642	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
595	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	643	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
596	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	644	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
597	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	645	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
598	#elif defined(_WIN32)	646	#elif defined _WIN32
599	#include <WinNT.h>	647	#include <WinNT.h>
600	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	648	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
601	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	649	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
602	#include <mbarrier.h>	650	#include <mbarrier.h>
603	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	651	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
604	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	652	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
605	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	653	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		654	#elif __xlC__
		655	#define ECB_MEMORY_FENCE __sync ()
		656	#endif
		657	#endif
		658
		659	#ifndef ECB_MEMORY_FENCE
		660	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		661	/* we assume that these memory fences work on all variables/all memory accesses, */
		662	/* not just C11 atomics and atomic accesses */
		663	#include <stdatomic.h>
		664	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		665	/* any fence other than seq_cst, which isn't very efficient for us. */
		666	/* Why that is, we don't know - either the C11 memory model is quite useless */
		667	/* for most usages, or gcc and clang have a bug */
		668	/* I *currently* lean towards the latter, and inefficiently implement */
		669	/* all three of ecb's fences as a seq_cst fence */
		670	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
606	#endif	671	#endif
607	#endif	672	#endif
608		673
609	#ifndef ECB_MEMORY_FENCE	674	#ifndef ECB_MEMORY_FENCE
610	#if !ECB_AVOID_PTHREADS	675	#if !ECB_AVOID_PTHREADS
…		…
622	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	687	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
623	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	688	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
624	#endif	689	#endif
625	#endif	690	#endif
626		691
627	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	692	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
628	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	693	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
629	#endif	694	#endif
630		695
631	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	696	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
632	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	697	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
633	#endif	698	#endif
634		699
635	/*****************************************************************************/	700	/*****************************************************************************/
636
637	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
638		701
639	#if __cplusplus	702	#if __cplusplus
640	#define ecb_inline static inline	703	#define ecb_inline static inline
641	#elif ECB_GCC_VERSION(2,5)	704	#elif ECB_GCC_VERSION(2,5)
642	#define ecb_inline static __inline__	705	#define ecb_inline static __inline__
…		…
681	#elif ECB_GCC_VERSION(3,0)	744	#elif ECB_GCC_VERSION(3,0)
682	#define ecb_decltype(x) __typeof(x)	745	#define ecb_decltype(x) __typeof(x)
683	#endif	746	#endif
684		747
685	#define ecb_noinline ecb_attribute ((__noinline__))	748	#define ecb_noinline ecb_attribute ((__noinline__))
686	#define ecb_noreturn ecb_attribute ((__noreturn__))
687	#define ecb_unused ecb_attribute ((__unused__))	749	#define ecb_unused ecb_attribute ((__unused__))
688	#define ecb_const ecb_attribute ((__const__))	750	#define ecb_const ecb_attribute ((__const__))
689	#define ecb_pure ecb_attribute ((__pure__))	751	#define ecb_pure ecb_attribute ((__pure__))
		752
		753	#if ECB_C11
		754	#define ecb_noreturn _Noreturn
		755	#else
		756	#define ecb_noreturn ecb_attribute ((__noreturn__))
		757	#endif
690		758
691	#if ECB_GCC_VERSION(4,3)	759	#if ECB_GCC_VERSION(4,3)
692	#define ecb_artificial ecb_attribute ((__artificial__))	760	#define ecb_artificial ecb_attribute ((__artificial__))
693	#define ecb_hot ecb_attribute ((__hot__))	761	#define ecb_hot ecb_attribute ((__hot__))
694	#define ecb_cold ecb_attribute ((__cold__))	762	#define ecb_cold ecb_attribute ((__cold__))
…		…
785		853
786	return r + ecb_ld32 (x);	854	return r + ecb_ld32 (x);
787	}	855	}
788	#endif	856	#endif
789		857
		858	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		859	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		860	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		861	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		862
790	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	863	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
791	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	864	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
792	{	865	{
793	return ( (x * 0x0802U & 0x22110U)	866	return ( (x * 0x0802U & 0x22110U)
794	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	867	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
…		…
878	ecb_inline void ecb_unreachable (void) ecb_noreturn;	951	ecb_inline void ecb_unreachable (void) ecb_noreturn;
879	ecb_inline void ecb_unreachable (void) { }	952	ecb_inline void ecb_unreachable (void) { }
880	#endif	953	#endif
881		954
882	/* try to tell the compiler that some condition is definitely true */	955	/* try to tell the compiler that some condition is definitely true */
883	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	956	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
884		957
885	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	958	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
886	ecb_inline unsigned char	959	ecb_inline unsigned char
887	ecb_byteorder_helper (void)	960	ecb_byteorder_helper (void)
888	{	961	{
889	const uint32_t u = 0x11223344;	962	/* the union code still generates code under pressure in gcc, */
890	return *(unsigned char *)&u;	963	/* but less than using pointers, and always seems to */
		964	/* successfully return a constant. */
		965	/* the reason why we have this horrible preprocessor mess */
		966	/* is to avoid it in all cases, at least on common architectures */
		967	/* or when using a recent enough gcc version (>= 4.6) */
		968	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		969	return 0x44;
		970	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		971	return 0x44;
		972	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		973	return 0x11;
		974	#else
		975	union
		976	{
		977	uint32_t i;
		978	uint8_t c;
		979	} u = { 0x11223344 };
		980	return u.c;
		981	#endif
891	}	982	}
892		983
893	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	984	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
894	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	985	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
895	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	986	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
…		…
926	}	1017	}
927	#else	1018	#else
928	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1019	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
929	#endif	1020	#endif
930		1021
		1022	/*******************************************************************************/
		1023	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1024
		1025	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1026	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1027	#if 0 \
		1028	|| __i386 || __i386__ \
		1029	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1030	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1031	|| defined __arm__ && defined __ARM_EABI__ \
		1032	|| defined __s390__ || defined __s390x__ \
		1033	|| defined __mips__ \
		1034	|| defined __alpha__ \
		1035	|| defined __hppa__ \
		1036	|| defined __ia64__ \
		1037	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1038	#define ECB_STDFP 1
		1039	#include <string.h> /* for memcpy */
		1040	#else
		1041	#define ECB_STDFP 0
		1042	#include <math.h> /* for frexp*, ldexp* */
		1043	#endif
		1044
		1045	#ifndef ECB_NO_LIBM
		1046
		1047	/* convert a float to ieee single/binary32 */
		1048	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1049	ecb_function_ uint32_t
		1050	ecb_float_to_binary32 (float x)
		1051	{
		1052	uint32_t r;
		1053
		1054	#if ECB_STDFP
		1055	memcpy (&r, &x, 4);
		1056	#else
		1057	/* slow emulation, works for anything but -0 */
		1058	uint32_t m;
		1059	int e;
		1060
		1061	if (x == 0e0f ) return 0x00000000U;
		1062	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1063	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1064	if (x != x ) return 0x7fbfffffU;
		1065
		1066	m = frexpf (x, &e) * 0x1000000U;
		1067
		1068	r = m & 0x80000000U;
		1069
		1070	if (r)
		1071	m = -m;
		1072
		1073	if (e <= -126)
		1074	{
		1075	m &= 0xffffffU;
		1076	m >>= (-125 - e);
		1077	e = -126;
		1078	}
		1079
		1080	r |= (e + 126) << 23;
		1081	r |= m & 0x7fffffU;
		1082	#endif
		1083
		1084	return r;
		1085	}
		1086
		1087	/* converts an ieee single/binary32 to a float */
		1088	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1089	ecb_function_ float
		1090	ecb_binary32_to_float (uint32_t x)
		1091	{
		1092	float r;
		1093
		1094	#if ECB_STDFP
		1095	memcpy (&r, &x, 4);
		1096	#else
		1097	/* emulation, only works for normals and subnormals and +0 */
		1098	int neg = x >> 31;
		1099	int e = (x >> 23) & 0xffU;
		1100
		1101	x &= 0x7fffffU;
		1102
		1103	if (e)
		1104	x |= 0x800000U;
		1105	else
		1106	e = 1;
		1107
		1108	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1109	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1110
		1111	r = neg ? -r : r;
		1112	#endif
		1113
		1114	return r;
		1115	}
		1116
		1117	/* convert a double to ieee double/binary64 */
		1118	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1119	ecb_function_ uint64_t
		1120	ecb_double_to_binary64 (double x)
		1121	{
		1122	uint64_t r;
		1123
		1124	#if ECB_STDFP
		1125	memcpy (&r, &x, 8);
		1126	#else
		1127	/* slow emulation, works for anything but -0 */
		1128	uint64_t m;
		1129	int e;
		1130
		1131	if (x == 0e0 ) return 0x0000000000000000U;
		1132	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1133	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1134	if (x != x ) return 0X7ff7ffffffffffffU;
		1135
		1136	m = frexp (x, &e) * 0x20000000000000U;
		1137
		1138	r = m & 0x8000000000000000;;
		1139
		1140	if (r)
		1141	m = -m;
		1142
		1143	if (e <= -1022)
		1144	{
		1145	m &= 0x1fffffffffffffU;
		1146	m >>= (-1021 - e);
		1147	e = -1022;
		1148	}
		1149
		1150	r |= ((uint64_t)(e + 1022)) << 52;
		1151	r |= m & 0xfffffffffffffU;
		1152	#endif
		1153
		1154	return r;
		1155	}
		1156
		1157	/* converts an ieee double/binary64 to a double */
		1158	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1159	ecb_function_ double
		1160	ecb_binary64_to_double (uint64_t x)
		1161	{
		1162	double r;
		1163
		1164	#if ECB_STDFP
		1165	memcpy (&r, &x, 8);
		1166	#else
		1167	/* emulation, only works for normals and subnormals and +0 */
		1168	int neg = x >> 63;
		1169	int e = (x >> 52) & 0x7ffU;
		1170
		1171	x &= 0xfffffffffffffU;
		1172
		1173	if (e)
		1174	x |= 0x10000000000000U;
		1175	else
		1176	e = 1;
		1177
		1178	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1179	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1180
		1181	r = neg ? -r : r;
		1182	#endif
		1183
		1184	return r;
		1185	}
		1186
		1187	#endif
		1188
931	#endif	1189	#endif
932		1190
933	/* ECB.H END */	1191	/* ECB.H END */
934		1192
935	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1193	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
…		…
1101	{	1359	{
1102	write (STDERR_FILENO, msg, strlen (msg));	1360	write (STDERR_FILENO, msg, strlen (msg));
1103	}	1361	}
1104	#endif	1362	#endif
1105		1363
1106	static void (*syserr_cb)(const char *msg);	1364	static void (*syserr_cb)(const char *msg) EV_THROW;
1107		1365
1108	void ecb_cold	1366	void ecb_cold
1109	ev_set_syserr_cb (void (*cb)(const char *msg))	1367	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1110	{	1368	{
1111	syserr_cb = cb;	1369	syserr_cb = cb;
1112	}	1370	}
1113		1371
1114	static void noinline ecb_cold	1372	static void noinline ecb_cold
…		…
1132	abort ();	1390	abort ();
1133	}	1391	}
1134	}	1392	}
1135		1393
1136	static void *	1394	static void *
1137	ev_realloc_emul (void *ptr, long size)	1395	ev_realloc_emul (void *ptr, long size) EV_THROW
1138	{	1396	{
1139	#if __GLIBC__
1140	return realloc (ptr, size);
1141	#else
1142	/* some systems, notably openbsd and darwin, fail to properly	1397	/* some systems, notably openbsd and darwin, fail to properly
1143	* implement realloc (x, 0) (as required by both ansi c-89 and	1398	* implement realloc (x, 0) (as required by both ansi c-89 and
1144	* the single unix specification, so work around them here.	1399	* the single unix specification, so work around them here.
		1400	* recently, also (at least) fedora and debian started breaking it,
		1401	* despite documenting it otherwise.
1145	*/	1402	*/
1146		1403
1147	if (size)	1404	if (size)
1148	return realloc (ptr, size);	1405	return realloc (ptr, size);
1149		1406
1150	free (ptr);	1407	free (ptr);
1151	return 0;	1408	return 0;
1152	#endif
1153	}	1409	}
1154		1410
1155	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1411	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1156		1412
1157	void ecb_cold	1413	void ecb_cold
1158	ev_set_allocator (void *(*cb)(void *ptr, long size))	1414	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1159	{	1415	{
1160	alloc = cb;	1416	alloc = cb;
1161	}	1417	}
1162		1418
1163	inline_speed void *	1419	inline_speed void *
…		…
1280		1536
1281	/*****************************************************************************/	1537	/*****************************************************************************/
1282		1538
1283	#ifndef EV_HAVE_EV_TIME	1539	#ifndef EV_HAVE_EV_TIME
1284	ev_tstamp	1540	ev_tstamp
1285	ev_time (void)	1541	ev_time (void) EV_THROW
1286	{	1542	{
1287	#if EV_USE_REALTIME	1543	#if EV_USE_REALTIME
1288	if (expect_true (have_realtime))	1544	if (expect_true (have_realtime))
1289	{	1545	{
1290	struct timespec ts;	1546	struct timespec ts;
…		…
1314	return ev_time ();	1570	return ev_time ();
1315	}	1571	}
1316		1572
1317	#if EV_MULTIPLICITY	1573	#if EV_MULTIPLICITY
1318	ev_tstamp	1574	ev_tstamp
1319	ev_now (EV_P)	1575	ev_now (EV_P) EV_THROW
1320	{	1576	{
1321	return ev_rt_now;	1577	return ev_rt_now;
1322	}	1578	}
1323	#endif	1579	#endif
1324		1580
1325	void	1581	void
1326	ev_sleep (ev_tstamp delay)	1582	ev_sleep (ev_tstamp delay) EV_THROW
1327	{	1583	{
1328	if (delay > 0.)	1584	if (delay > 0.)
1329	{	1585	{
1330	#if EV_USE_NANOSLEEP	1586	#if EV_USE_NANOSLEEP
1331	struct timespec ts;	1587	struct timespec ts;
1332		1588
1333	EV_TS_SET (ts, delay);	1589	EV_TS_SET (ts, delay);
1334	nanosleep (&ts, 0);	1590	nanosleep (&ts, 0);
1335	#elif defined(_WIN32)	1591	#elif defined _WIN32
1336	Sleep ((unsigned long)(delay * 1e3));	1592	Sleep ((unsigned long)(delay * 1e3));
1337	#else	1593	#else
1338	struct timeval tv;	1594	struct timeval tv;
1339		1595
1340	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1596	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1412	pendingcb (EV_P_ ev_prepare *w, int revents)	1668	pendingcb (EV_P_ ev_prepare *w, int revents)
1413	{	1669	{
1414	}	1670	}
1415		1671
1416	void noinline	1672	void noinline
1417	ev_feed_event (EV_P_ void *w, int revents)	1673	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1418	{	1674	{
1419	W w_ = (W)w;	1675	W w_ = (W)w;
1420	int pri = ABSPRI (w_);	1676	int pri = ABSPRI (w_);
1421		1677
1422	if (expect_false (w_->pending))	1678	if (expect_false (w_->pending))
…		…
1426	w_->pending = ++pendingcnt [pri];	1682	w_->pending = ++pendingcnt [pri];
1427	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1683	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1428	pendings [pri][w_->pending - 1].w = w_;	1684	pendings [pri][w_->pending - 1].w = w_;
1429	pendings [pri][w_->pending - 1].events = revents;	1685	pendings [pri][w_->pending - 1].events = revents;
1430	}	1686	}
		1687
		1688	pendingpri = NUMPRI - 1;
1431	}	1689	}
1432		1690
1433	inline_speed void	1691	inline_speed void
1434	feed_reverse (EV_P_ W w)	1692	feed_reverse (EV_P_ W w)
1435	{	1693	{
…		…
1481	if (expect_true (!anfd->reify))	1739	if (expect_true (!anfd->reify))
1482	fd_event_nocheck (EV_A_ fd, revents);	1740	fd_event_nocheck (EV_A_ fd, revents);
1483	}	1741	}
1484		1742
1485	void	1743	void
1486	ev_feed_fd_event (EV_P_ int fd, int revents)	1744	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1487	{	1745	{
1488	if (fd >= 0 && fd < anfdmax)	1746	if (fd >= 0 && fd < anfdmax)
1489	fd_event_nocheck (EV_A_ fd, revents);	1747	fd_event_nocheck (EV_A_ fd, revents);
1490	}	1748	}
1491		1749
…		…
1810	static void noinline ecb_cold	2068	static void noinline ecb_cold
1811	evpipe_init (EV_P)	2069	evpipe_init (EV_P)
1812	{	2070	{
1813	if (!ev_is_active (&pipe_w))	2071	if (!ev_is_active (&pipe_w))
1814	{	2072	{
		2073	int fds [2];
		2074
1815	# if EV_USE_EVENTFD	2075	# if EV_USE_EVENTFD
		2076	fds [0] = -1;
1816	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2077	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1817	if (evfd < 0 && errno == EINVAL)	2078	if (fds [1] < 0 && errno == EINVAL)
1818	evfd = eventfd (0, 0);	2079	fds [1] = eventfd (0, 0);
1819		2080
1820	if (evfd >= 0)	2081	if (fds [1] < 0)
		2082	# endif
1821	{	2083	{
		2084	while (pipe (fds))
		2085	ev_syserr ("(libev) error creating signal/async pipe");
		2086
		2087	fd_intern (fds [0]);
		2088	}
		2089
		2090	fd_intern (fds [1]);
		2091
1822	evpipe [0] = -1;	2092	evpipe [0] = fds [0];
1823	fd_intern (evfd); /* doing it twice doesn't hurt */	2093
1824	ev_io_set (&pipe_w, evfd, EV_READ);	2094	if (evpipe [1] < 0)
		2095	evpipe [1] = fds [1]; /* first call, set write fd */
		2096	else
		2097	{
		2098	/* on subsequent calls, do not change evpipe [1] */
		2099	/* so that evpipe_write can always rely on its value. */
		2100	/* this branch does not do anything sensible on windows, */
		2101	/* so must not be executed on windows */
		2102
		2103	dup2 (fds [1], evpipe [1]);
		2104	close (fds [1]);
		2105	}
		2106
		2107	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2108	ev_io_start (EV_A_ &pipe_w);
		2109	ev_unref (EV_A); /* watcher should not keep loop alive */
		2110	}
		2111	}
		2112
		2113	inline_speed void
		2114	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2115	{
		2116	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2117
		2118	if (expect_true (*flag))
		2119	return;
		2120
		2121	*flag = 1;
		2122	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2123
		2124	pipe_write_skipped = 1;
		2125
		2126	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2127
		2128	if (pipe_write_wanted)
		2129	{
		2130	int old_errno;
		2131
		2132	pipe_write_skipped = 0;
		2133	ECB_MEMORY_FENCE_RELEASE;
		2134
		2135	old_errno = errno; /* save errno because write will clobber it */
		2136
		2137	#if EV_USE_EVENTFD
		2138	if (evpipe [0] < 0)
		2139	{
		2140	uint64_t counter = 1;
		2141	write (evpipe [1], &counter, sizeof (uint64_t));
1825	}	2142	}
1826	else	2143	else
1827	# endif	2144	#endif
1828	{	2145	{
1829	while (pipe (evpipe))	2146	#ifdef _WIN32
1830	ev_syserr ("(libev) error creating signal/async pipe");	2147	WSABUF buf;
1831		2148	DWORD sent;
1832	fd_intern (evpipe [0]);	2149	buf.buf = &buf;
1833	fd_intern (evpipe [1]);	2150	buf.len = 1;
1834	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2151	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1835	}	2152	#else
1836
1837	ev_io_start (EV_A_ &pipe_w);
1838	ev_unref (EV_A); /* watcher should not keep loop alive */
1839	}
1840	}
1841
1842	inline_speed void
1843	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1844	{
1845	if (expect_true (*flag))
1846	return;
1847
1848	*flag = 1;
1849
1850	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1851
1852	pipe_write_skipped = 1;
1853
1854	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1855
1856	if (pipe_write_wanted)
1857	{
1858	int old_errno;
1859
1860	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1861
1862	old_errno = errno; /* save errno because write will clobber it */
1863
1864	#if EV_USE_EVENTFD
1865	if (evfd >= 0)
1866	{
1867	uint64_t counter = 1;
1868	write (evfd, &counter, sizeof (uint64_t));
1869	}
1870	else
1871	#endif
1872	{
1873	/* win32 people keep sending patches that change this write() to send() */
1874	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1875	/* so when you think this write should be a send instead, please find out */
1876	/* where your send() is from - it's definitely not the microsoft send, and */
1877	/* tell me. thank you. */
1878	/* it might be that your problem is that your environment needs EV_USE_WSASOCKET */
1879	/* check the ev documentation on how to use this flag */
1880	write (evpipe [1], &(evpipe [1]), 1);	2153	write (evpipe [1], &(evpipe [1]), 1);
		2154	#endif
1881	}	2155	}
1882		2156
1883	errno = old_errno;	2157	errno = old_errno;
1884	}	2158	}
1885	}	2159	}
…		…
1892	int i;	2166	int i;
1893		2167
1894	if (revents & EV_READ)	2168	if (revents & EV_READ)
1895	{	2169	{
1896	#if EV_USE_EVENTFD	2170	#if EV_USE_EVENTFD
1897	if (evfd >= 0)	2171	if (evpipe [0] < 0)
1898	{	2172	{
1899	uint64_t counter;	2173	uint64_t counter;
1900	read (evfd, &counter, sizeof (uint64_t));	2174	read (evpipe [1], &counter, sizeof (uint64_t));
1901	}	2175	}
1902	else	2176	else
1903	#endif	2177	#endif
1904	{	2178	{
1905	char dummy;	2179	char dummy[4];
1906	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2180	#ifdef _WIN32
		2181	WSABUF buf;
		2182	DWORD recvd;
		2183	DWORD flags = 0;
		2184	buf.buf = dummy;
		2185	buf.len = sizeof (dummy);
		2186	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2187	#else
1907	read (evpipe [0], &dummy, 1);	2188	read (evpipe [0], &dummy, sizeof (dummy));
		2189	#endif
1908	}	2190	}
1909	}	2191	}
1910		2192
1911	pipe_write_skipped = 0;	2193	pipe_write_skipped = 0;
		2194
		2195	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1912		2196
1913	#if EV_SIGNAL_ENABLE	2197	#if EV_SIGNAL_ENABLE
1914	if (sig_pending)	2198	if (sig_pending)
1915	{	2199	{
1916	sig_pending = 0;	2200	sig_pending = 0;
		2201
		2202	ECB_MEMORY_FENCE;
1917		2203
1918	for (i = EV_NSIG - 1; i--; )	2204	for (i = EV_NSIG - 1; i--; )
1919	if (expect_false (signals [i].pending))	2205	if (expect_false (signals [i].pending))
1920	ev_feed_signal_event (EV_A_ i + 1);	2206	ev_feed_signal_event (EV_A_ i + 1);
1921	}	2207	}
…		…
1923		2209
1924	#if EV_ASYNC_ENABLE	2210	#if EV_ASYNC_ENABLE
1925	if (async_pending)	2211	if (async_pending)
1926	{	2212	{
1927	async_pending = 0;	2213	async_pending = 0;
		2214
		2215	ECB_MEMORY_FENCE;
1928		2216
1929	for (i = asynccnt; i--; )	2217	for (i = asynccnt; i--; )
1930	if (asyncs [i]->sent)	2218	if (asyncs [i]->sent)
1931	{	2219	{
1932	asyncs [i]->sent = 0;	2220	asyncs [i]->sent = 0;
		2221	ECB_MEMORY_FENCE_RELEASE;
1933	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2222	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1934	}	2223	}
1935	}	2224	}
1936	#endif	2225	#endif
1937	}	2226	}
1938		2227
1939	/*****************************************************************************/	2228	/*****************************************************************************/
1940		2229
1941	void	2230	void
1942	ev_feed_signal (int signum)	2231	ev_feed_signal (int signum) EV_THROW
1943	{	2232	{
1944	#if EV_MULTIPLICITY	2233	#if EV_MULTIPLICITY
		2234	ECB_MEMORY_FENCE_ACQUIRE;
1945	EV_P = signals [signum - 1].loop;	2235	EV_P = signals [signum - 1].loop;
1946		2236
1947	if (!EV_A)	2237	if (!EV_A)
1948	return;	2238	return;
1949	#endif	2239	#endif
1950		2240
1951	if (!ev_active (&pipe_w))
1952	return;
1953
1954	signals [signum - 1].pending = 1;	2241	signals [signum - 1].pending = 1;
1955	evpipe_write (EV_A_ &sig_pending);	2242	evpipe_write (EV_A_ &sig_pending);
1956	}	2243	}
1957		2244
1958	static void	2245	static void
…		…
1964		2251
1965	ev_feed_signal (signum);	2252	ev_feed_signal (signum);
1966	}	2253	}
1967		2254
1968	void noinline	2255	void noinline
1969	ev_feed_signal_event (EV_P_ int signum)	2256	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1970	{	2257	{
1971	WL w;	2258	WL w;
1972		2259
1973	if (expect_false (signum <= 0 || signum > EV_NSIG))	2260	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1974	return;	2261	return;
1975		2262
1976	--signum;	2263	--signum;
1977		2264
1978	#if EV_MULTIPLICITY	2265	#if EV_MULTIPLICITY
…		…
1982	if (expect_false (signals [signum].loop != EV_A))	2269	if (expect_false (signals [signum].loop != EV_A))
1983	return;	2270	return;
1984	#endif	2271	#endif
1985		2272
1986	signals [signum].pending = 0;	2273	signals [signum].pending = 0;
		2274	ECB_MEMORY_FENCE_RELEASE;
1987		2275
1988	for (w = signals [signum].head; w; w = w->next)	2276	for (w = signals [signum].head; w; w = w->next)
1989	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2277	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1990	}	2278	}
1991		2279
…		…
2090	#if EV_USE_SELECT	2378	#if EV_USE_SELECT
2091	# include "ev_select.c"	2379	# include "ev_select.c"
2092	#endif	2380	#endif
2093		2381
2094	int ecb_cold	2382	int ecb_cold
2095	ev_version_major (void)	2383	ev_version_major (void) EV_THROW
2096	{	2384	{
2097	return EV_VERSION_MAJOR;	2385	return EV_VERSION_MAJOR;
2098	}	2386	}
2099		2387
2100	int ecb_cold	2388	int ecb_cold
2101	ev_version_minor (void)	2389	ev_version_minor (void) EV_THROW
2102	{	2390	{
2103	return EV_VERSION_MINOR;	2391	return EV_VERSION_MINOR;
2104	}	2392	}
2105		2393
2106	/* return true if we are running with elevated privileges and should ignore env variables */	2394	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2114	|| getgid () != getegid ();	2402	|| getgid () != getegid ();
2115	#endif	2403	#endif
2116	}	2404	}
2117		2405
2118	unsigned int ecb_cold	2406	unsigned int ecb_cold
2119	ev_supported_backends (void)	2407	ev_supported_backends (void) EV_THROW
2120	{	2408	{
2121	unsigned int flags = 0;	2409	unsigned int flags = 0;
2122		2410
2123	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2411	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2124	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2412	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2128		2416
2129	return flags;	2417	return flags;
2130	}	2418	}
2131		2419
2132	unsigned int ecb_cold	2420	unsigned int ecb_cold
2133	ev_recommended_backends (void)	2421	ev_recommended_backends (void) EV_THROW
2134	{	2422	{
2135	unsigned int flags = ev_supported_backends ();	2423	unsigned int flags = ev_supported_backends ();
2136		2424
2137	#ifndef __NetBSD__	2425	#ifndef __NetBSD__
2138	/* kqueue is borked on everything but netbsd apparently */	2426	/* kqueue is borked on everything but netbsd apparently */
…		…
2150		2438
2151	return flags;	2439	return flags;
2152	}	2440	}
2153		2441
2154	unsigned int ecb_cold	2442	unsigned int ecb_cold
2155	ev_embeddable_backends (void)	2443	ev_embeddable_backends (void) EV_THROW
2156	{	2444	{
2157	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2445	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2158		2446
2159	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2447	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2160	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2448	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2162		2450
2163	return flags;	2451	return flags;
2164	}	2452	}
2165		2453
2166	unsigned int	2454	unsigned int
2167	ev_backend (EV_P)	2455	ev_backend (EV_P) EV_THROW
2168	{	2456	{
2169	return backend;	2457	return backend;
2170	}	2458	}
2171		2459
2172	#if EV_FEATURE_API	2460	#if EV_FEATURE_API
2173	unsigned int	2461	unsigned int
2174	ev_iteration (EV_P)	2462	ev_iteration (EV_P) EV_THROW
2175	{	2463	{
2176	return loop_count;	2464	return loop_count;
2177	}	2465	}
2178		2466
2179	unsigned int	2467	unsigned int
2180	ev_depth (EV_P)	2468	ev_depth (EV_P) EV_THROW
2181	{	2469	{
2182	return loop_depth;	2470	return loop_depth;
2183	}	2471	}
2184		2472
2185	void	2473	void
2186	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2474	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2187	{	2475	{
2188	io_blocktime = interval;	2476	io_blocktime = interval;
2189	}	2477	}
2190		2478
2191	void	2479	void
2192	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2480	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2193	{	2481	{
2194	timeout_blocktime = interval;	2482	timeout_blocktime = interval;
2195	}	2483	}
2196		2484
2197	void	2485	void
2198	ev_set_userdata (EV_P_ void *data)	2486	ev_set_userdata (EV_P_ void *data) EV_THROW
2199	{	2487	{
2200	userdata = data;	2488	userdata = data;
2201	}	2489	}
2202		2490
2203	void *	2491	void *
2204	ev_userdata (EV_P)	2492	ev_userdata (EV_P) EV_THROW
2205	{	2493	{
2206	return userdata;	2494	return userdata;
2207	}	2495	}
2208		2496
2209	void	2497	void
2210	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2498	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2211	{	2499	{
2212	invoke_cb = invoke_pending_cb;	2500	invoke_cb = invoke_pending_cb;
2213	}	2501	}
2214		2502
2215	void	2503	void
2216	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2504	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2217	{	2505	{
2218	release_cb = release;	2506	release_cb = release;
2219	acquire_cb = acquire;	2507	acquire_cb = acquire;
2220	}	2508	}
2221	#endif	2509	#endif
2222		2510
2223	/* initialise a loop structure, must be zero-initialised */	2511	/* initialise a loop structure, must be zero-initialised */
2224	static void noinline ecb_cold	2512	static void noinline ecb_cold
2225	loop_init (EV_P_ unsigned int flags)	2513	loop_init (EV_P_ unsigned int flags) EV_THROW
2226	{	2514	{
2227	if (!backend)	2515	if (!backend)
2228	{	2516	{
2229	origflags = flags;	2517	origflags = flags;
2230		2518
…		…
2275	#if EV_ASYNC_ENABLE	2563	#if EV_ASYNC_ENABLE
2276	async_pending = 0;	2564	async_pending = 0;
2277	#endif	2565	#endif
2278	pipe_write_skipped = 0;	2566	pipe_write_skipped = 0;
2279	pipe_write_wanted = 0;	2567	pipe_write_wanted = 0;
		2568	evpipe [0] = -1;
		2569	evpipe [1] = -1;
2280	#if EV_USE_INOTIFY	2570	#if EV_USE_INOTIFY
2281	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2571	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2282	#endif	2572	#endif
2283	#if EV_USE_SIGNALFD	2573	#if EV_USE_SIGNALFD
2284	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2574	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2335	EV_INVOKE_PENDING;	2625	EV_INVOKE_PENDING;
2336	}	2626	}
2337	#endif	2627	#endif
2338		2628
2339	#if EV_CHILD_ENABLE	2629	#if EV_CHILD_ENABLE
2340	if (ev_is_active (&childev))	2630	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2341	{	2631	{
2342	ev_ref (EV_A); /* child watcher */	2632	ev_ref (EV_A); /* child watcher */
2343	ev_signal_stop (EV_A_ &childev);	2633	ev_signal_stop (EV_A_ &childev);
2344	}	2634	}
2345	#endif	2635	#endif
…		…
2347	if (ev_is_active (&pipe_w))	2637	if (ev_is_active (&pipe_w))
2348	{	2638	{
2349	/*ev_ref (EV_A);*/	2639	/*ev_ref (EV_A);*/
2350	/*ev_io_stop (EV_A_ &pipe_w);*/	2640	/*ev_io_stop (EV_A_ &pipe_w);*/
2351		2641
2352	#if EV_USE_EVENTFD
2353	if (evfd >= 0)
2354	close (evfd);
2355	#endif
2356
2357	if (evpipe [0] >= 0)
2358	{
2359	EV_WIN32_CLOSE_FD (evpipe [0]);	2642	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2360	EV_WIN32_CLOSE_FD (evpipe [1]);	2643	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2361	}
2362	}	2644	}
2363		2645
2364	#if EV_USE_SIGNALFD	2646	#if EV_USE_SIGNALFD
2365	if (ev_is_active (&sigfd_w))	2647	if (ev_is_active (&sigfd_w))
2366	close (sigfd);	2648	close (sigfd);
…		…
2452	#endif	2734	#endif
2453	#if EV_USE_INOTIFY	2735	#if EV_USE_INOTIFY
2454	infy_fork (EV_A);	2736	infy_fork (EV_A);
2455	#endif	2737	#endif
2456		2738
		2739	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2457	if (ev_is_active (&pipe_w))	2740	if (ev_is_active (&pipe_w))
2458	{	2741	{
2459	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2742	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2460		2743
2461	ev_ref (EV_A);	2744	ev_ref (EV_A);
2462	ev_io_stop (EV_A_ &pipe_w);	2745	ev_io_stop (EV_A_ &pipe_w);
2463		2746
2464	#if EV_USE_EVENTFD
2465	if (evfd >= 0)
2466	close (evfd);
2467	#endif
2468
2469	if (evpipe [0] >= 0)	2747	if (evpipe [0] >= 0)
2470	{
2471	EV_WIN32_CLOSE_FD (evpipe [0]);	2748	EV_WIN32_CLOSE_FD (evpipe [0]);
2472	EV_WIN32_CLOSE_FD (evpipe [1]);
2473	}
2474		2749
2475	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2476	evpipe_init (EV_A);	2750	evpipe_init (EV_A);
2477	/* now iterate over everything, in case we missed something */	2751	/* iterate over everything, in case we missed something before */
2478	pipecb (EV_A_ &pipe_w, EV_READ);	2752	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2479	#endif
2480	}	2753	}
		2754	#endif
2481		2755
2482	postfork = 0;	2756	postfork = 0;
2483	}	2757	}
2484		2758
2485	#if EV_MULTIPLICITY	2759	#if EV_MULTIPLICITY
2486		2760
2487	struct ev_loop * ecb_cold	2761	struct ev_loop * ecb_cold
2488	ev_loop_new (unsigned int flags)	2762	ev_loop_new (unsigned int flags) EV_THROW
2489	{	2763	{
2490	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2764	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2491		2765
2492	memset (EV_A, 0, sizeof (struct ev_loop));	2766	memset (EV_A, 0, sizeof (struct ev_loop));
2493	loop_init (EV_A_ flags);	2767	loop_init (EV_A_ flags);
…		…
2537	}	2811	}
2538	#endif	2812	#endif
2539		2813
2540	#if EV_FEATURE_API	2814	#if EV_FEATURE_API
2541	void ecb_cold	2815	void ecb_cold
2542	ev_verify (EV_P)	2816	ev_verify (EV_P) EV_THROW
2543	{	2817	{
2544	#if EV_VERIFY	2818	#if EV_VERIFY
2545	int i;	2819	int i;
2546	WL w;	2820	WL w, w2;
2547		2821
2548	assert (activecnt >= -1);	2822	assert (activecnt >= -1);
2549		2823
2550	assert (fdchangemax >= fdchangecnt);	2824	assert (fdchangemax >= fdchangecnt);
2551	for (i = 0; i < fdchangecnt; ++i)	2825	for (i = 0; i < fdchangecnt; ++i)
2552	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2826	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2553		2827
2554	assert (anfdmax >= 0);	2828	assert (anfdmax >= 0);
2555	for (i = 0; i < anfdmax; ++i)	2829	for (i = 0; i < anfdmax; ++i)
		2830	{
		2831	int j = 0;
		2832
2556	for (w = anfds [i].head; w; w = w->next)	2833	for (w = w2 = anfds [i].head; w; w = w->next)
2557	{	2834	{
2558	verify_watcher (EV_A_ (W)w);	2835	verify_watcher (EV_A_ (W)w);
		2836
		2837	if (j++ & 1)
		2838	{
		2839	assert (("libev: io watcher list contains a loop", w != w2));
		2840	w2 = w2->next;
		2841	}
		2842
2559	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2843	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2560	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2844	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2561	}	2845	}
		2846	}
2562		2847
2563	assert (timermax >= timercnt);	2848	assert (timermax >= timercnt);
2564	verify_heap (EV_A_ timers, timercnt);	2849	verify_heap (EV_A_ timers, timercnt);
2565		2850
2566	#if EV_PERIODIC_ENABLE	2851	#if EV_PERIODIC_ENABLE
…		…
2616	#if EV_MULTIPLICITY	2901	#if EV_MULTIPLICITY
2617	struct ev_loop * ecb_cold	2902	struct ev_loop * ecb_cold
2618	#else	2903	#else
2619	int	2904	int
2620	#endif	2905	#endif
2621	ev_default_loop (unsigned int flags)	2906	ev_default_loop (unsigned int flags) EV_THROW
2622	{	2907	{
2623	if (!ev_default_loop_ptr)	2908	if (!ev_default_loop_ptr)
2624	{	2909	{
2625	#if EV_MULTIPLICITY	2910	#if EV_MULTIPLICITY
2626	EV_P = ev_default_loop_ptr = &default_loop_struct;	2911	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2645		2930
2646	return ev_default_loop_ptr;	2931	return ev_default_loop_ptr;
2647	}	2932	}
2648		2933
2649	void	2934	void
2650	ev_loop_fork (EV_P)	2935	ev_loop_fork (EV_P) EV_THROW
2651	{	2936	{
2652	postfork = 1; /* must be in line with ev_default_fork */	2937	postfork = 1;
2653	}	2938	}
2654		2939
2655	/*****************************************************************************/	2940	/*****************************************************************************/
2656		2941
2657	void	2942	void
…		…
2659	{	2944	{
2660	EV_CB_INVOKE ((W)w, revents);	2945	EV_CB_INVOKE ((W)w, revents);
2661	}	2946	}
2662		2947
2663	unsigned int	2948	unsigned int
2664	ev_pending_count (EV_P)	2949	ev_pending_count (EV_P) EV_THROW
2665	{	2950	{
2666	int pri;	2951	int pri;
2667	unsigned int count = 0;	2952	unsigned int count = 0;
2668		2953
2669	for (pri = NUMPRI; pri--; )	2954	for (pri = NUMPRI; pri--; )
…		…
2673	}	2958	}
2674		2959
2675	void noinline	2960	void noinline
2676	ev_invoke_pending (EV_P)	2961	ev_invoke_pending (EV_P)
2677	{	2962	{
2678	int pri;	2963	pendingpri = NUMPRI;
2679		2964
2680	for (pri = NUMPRI; pri--; )	2965	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2966	{
		2967	--pendingpri;
		2968
2681	while (pendingcnt [pri])	2969	while (pendingcnt [pendingpri])
2682	{	2970	{
2683	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2971	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2684		2972
2685	p->w->pending = 0;	2973	p->w->pending = 0;
2686	EV_CB_INVOKE (p->w, p->events);	2974	EV_CB_INVOKE (p->w, p->events);
2687	EV_FREQUENT_CHECK;	2975	EV_FREQUENT_CHECK;
2688	}	2976	}
		2977	}
2689	}	2978	}
2690		2979
2691	#if EV_IDLE_ENABLE	2980	#if EV_IDLE_ENABLE
2692	/* make idle watchers pending. this handles the "call-idle */	2981	/* make idle watchers pending. this handles the "call-idle */
2693	/* only when higher priorities are idle" logic */	2982	/* only when higher priorities are idle" logic */
…		…
2783	{	3072	{
2784	EV_FREQUENT_CHECK;	3073	EV_FREQUENT_CHECK;
2785		3074
2786	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3075	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2787	{	3076	{
2788	int feed_count = 0;
2789
2790	do	3077	do
2791	{	3078	{
2792	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3079	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2793		3080
2794	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3081	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2928		3215
2929	mn_now = ev_rt_now;	3216	mn_now = ev_rt_now;
2930	}	3217	}
2931	}	3218	}
2932		3219
2933	void	3220	int
2934	ev_run (EV_P_ int flags)	3221	ev_run (EV_P_ int flags)
2935	{	3222	{
2936	#if EV_FEATURE_API	3223	#if EV_FEATURE_API
2937	++loop_depth;	3224	++loop_depth;
2938	#endif	3225	#endif
…		…
3053	backend_poll (EV_A_ waittime);	3340	backend_poll (EV_A_ waittime);
3054	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3341	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3055		3342
3056	pipe_write_wanted = 0; /* just an optimisation, no fence needed */	3343	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3057		3344
		3345	ECB_MEMORY_FENCE_ACQUIRE;
3058	if (pipe_write_skipped)	3346	if (pipe_write_skipped)
3059	{	3347	{
3060	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3348	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3061	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3349	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3062	}	3350	}
…		…
3095	loop_done = EVBREAK_CANCEL;	3383	loop_done = EVBREAK_CANCEL;
3096		3384
3097	#if EV_FEATURE_API	3385	#if EV_FEATURE_API
3098	--loop_depth;	3386	--loop_depth;
3099	#endif	3387	#endif
		3388
		3389	return activecnt;
3100	}	3390	}
3101		3391
3102	void	3392	void
3103	ev_break (EV_P_ int how)	3393	ev_break (EV_P_ int how) EV_THROW
3104	{	3394	{
3105	loop_done = how;	3395	loop_done = how;
3106	}	3396	}
3107		3397
3108	void	3398	void
3109	ev_ref (EV_P)	3399	ev_ref (EV_P) EV_THROW
3110	{	3400	{
3111	++activecnt;	3401	++activecnt;
3112	}	3402	}
3113		3403
3114	void	3404	void
3115	ev_unref (EV_P)	3405	ev_unref (EV_P) EV_THROW
3116	{	3406	{
3117	--activecnt;	3407	--activecnt;
3118	}	3408	}
3119		3409
3120	void	3410	void
3121	ev_now_update (EV_P)	3411	ev_now_update (EV_P) EV_THROW
3122	{	3412	{
3123	time_update (EV_A_ 1e100);	3413	time_update (EV_A_ 1e100);
3124	}	3414	}
3125		3415
3126	void	3416	void
3127	ev_suspend (EV_P)	3417	ev_suspend (EV_P) EV_THROW
3128	{	3418	{
3129	ev_now_update (EV_A);	3419	ev_now_update (EV_A);
3130	}	3420	}
3131		3421
3132	void	3422	void
3133	ev_resume (EV_P)	3423	ev_resume (EV_P) EV_THROW
3134	{	3424	{
3135	ev_tstamp mn_prev = mn_now;	3425	ev_tstamp mn_prev = mn_now;
3136		3426
3137	ev_now_update (EV_A);	3427	ev_now_update (EV_A);
3138	timers_reschedule (EV_A_ mn_now - mn_prev);	3428	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3177	w->pending = 0;	3467	w->pending = 0;
3178	}	3468	}
3179	}	3469	}
3180		3470
3181	int	3471	int
3182	ev_clear_pending (EV_P_ void *w)	3472	ev_clear_pending (EV_P_ void *w) EV_THROW
3183	{	3473	{
3184	W w_ = (W)w;	3474	W w_ = (W)w;
3185	int pending = w_->pending;	3475	int pending = w_->pending;
3186		3476
3187	if (expect_true (pending))	3477	if (expect_true (pending))
…		…
3220	}	3510	}
3221		3511
3222	/*****************************************************************************/	3512	/*****************************************************************************/
3223		3513
3224	void noinline	3514	void noinline
3225	ev_io_start (EV_P_ ev_io *w)	3515	ev_io_start (EV_P_ ev_io *w) EV_THROW
3226	{	3516	{
3227	int fd = w->fd;	3517	int fd = w->fd;
3228		3518
3229	if (expect_false (ev_is_active (w)))	3519	if (expect_false (ev_is_active (w)))
3230	return;	3520	return;
…		…
3236		3526
3237	ev_start (EV_A_ (W)w, 1);	3527	ev_start (EV_A_ (W)w, 1);
3238	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3528	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3239	wlist_add (&anfds[fd].head, (WL)w);	3529	wlist_add (&anfds[fd].head, (WL)w);
3240		3530
		3531	/* common bug, apparently */
		3532	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3533
3241	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3534	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3242	w->events &= ~EV__IOFDSET;	3535	w->events &= ~EV__IOFDSET;
3243		3536
3244	EV_FREQUENT_CHECK;	3537	EV_FREQUENT_CHECK;
3245	}	3538	}
3246		3539
3247	void noinline	3540	void noinline
3248	ev_io_stop (EV_P_ ev_io *w)	3541	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3249	{	3542	{
3250	clear_pending (EV_A_ (W)w);	3543	clear_pending (EV_A_ (W)w);
3251	if (expect_false (!ev_is_active (w)))	3544	if (expect_false (!ev_is_active (w)))
3252	return;	3545	return;
3253		3546
…		…
3262		3555
3263	EV_FREQUENT_CHECK;	3556	EV_FREQUENT_CHECK;
3264	}	3557	}
3265		3558
3266	void noinline	3559	void noinline
3267	ev_timer_start (EV_P_ ev_timer *w)	3560	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3268	{	3561	{
3269	if (expect_false (ev_is_active (w)))	3562	if (expect_false (ev_is_active (w)))
3270	return;	3563	return;
3271		3564
3272	ev_at (w) += mn_now;	3565	ev_at (w) += mn_now;
…		…
3286		3579
3287	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3580	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3288	}	3581	}
3289		3582
3290	void noinline	3583	void noinline
3291	ev_timer_stop (EV_P_ ev_timer *w)	3584	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3292	{	3585	{
3293	clear_pending (EV_A_ (W)w);	3586	clear_pending (EV_A_ (W)w);
3294	if (expect_false (!ev_is_active (w)))	3587	if (expect_false (!ev_is_active (w)))
3295	return;	3588	return;
3296		3589
…		…
3316		3609
3317	EV_FREQUENT_CHECK;	3610	EV_FREQUENT_CHECK;
3318	}	3611	}
3319		3612
3320	void noinline	3613	void noinline
3321	ev_timer_again (EV_P_ ev_timer *w)	3614	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3322	{	3615	{
3323	EV_FREQUENT_CHECK;	3616	EV_FREQUENT_CHECK;
3324		3617
3325	clear_pending (EV_A_ (W)w);	3618	clear_pending (EV_A_ (W)w);
3326		3619
…		…
3343		3636
3344	EV_FREQUENT_CHECK;	3637	EV_FREQUENT_CHECK;
3345	}	3638	}
3346		3639
3347	ev_tstamp	3640	ev_tstamp
3348	ev_timer_remaining (EV_P_ ev_timer *w)	3641	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3349	{	3642	{
3350	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3643	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3351	}	3644	}
3352		3645
3353	#if EV_PERIODIC_ENABLE	3646	#if EV_PERIODIC_ENABLE
3354	void noinline	3647	void noinline
3355	ev_periodic_start (EV_P_ ev_periodic *w)	3648	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3356	{	3649	{
3357	if (expect_false (ev_is_active (w)))	3650	if (expect_false (ev_is_active (w)))
3358	return;	3651	return;
3359		3652
3360	if (w->reschedule_cb)	3653	if (w->reschedule_cb)
…		…
3380		3673
3381	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3674	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3382	}	3675	}
3383		3676
3384	void noinline	3677	void noinline
3385	ev_periodic_stop (EV_P_ ev_periodic *w)	3678	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3386	{	3679	{
3387	clear_pending (EV_A_ (W)w);	3680	clear_pending (EV_A_ (W)w);
3388	if (expect_false (!ev_is_active (w)))	3681	if (expect_false (!ev_is_active (w)))
3389	return;	3682	return;
3390		3683
…		…
3408		3701
3409	EV_FREQUENT_CHECK;	3702	EV_FREQUENT_CHECK;
3410	}	3703	}
3411		3704
3412	void noinline	3705	void noinline
3413	ev_periodic_again (EV_P_ ev_periodic *w)	3706	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3414	{	3707	{
3415	/* TODO: use adjustheap and recalculation */	3708	/* TODO: use adjustheap and recalculation */
3416	ev_periodic_stop (EV_A_ w);	3709	ev_periodic_stop (EV_A_ w);
3417	ev_periodic_start (EV_A_ w);	3710	ev_periodic_start (EV_A_ w);
3418	}	3711	}
…		…
3423	#endif	3716	#endif
3424		3717
3425	#if EV_SIGNAL_ENABLE	3718	#if EV_SIGNAL_ENABLE
3426		3719
3427	void noinline	3720	void noinline
3428	ev_signal_start (EV_P_ ev_signal *w)	3721	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3429	{	3722	{
3430	if (expect_false (ev_is_active (w)))	3723	if (expect_false (ev_is_active (w)))
3431	return;	3724	return;
3432		3725
3433	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3726	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3435	#if EV_MULTIPLICITY	3728	#if EV_MULTIPLICITY
3436	assert (("libev: a signal must not be attached to two different loops",	3729	assert (("libev: a signal must not be attached to two different loops",
3437	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3730	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3438		3731
3439	signals [w->signum - 1].loop = EV_A;	3732	signals [w->signum - 1].loop = EV_A;
		3733	ECB_MEMORY_FENCE_RELEASE;
3440	#endif	3734	#endif
3441		3735
3442	EV_FREQUENT_CHECK;	3736	EV_FREQUENT_CHECK;
3443		3737
3444	#if EV_USE_SIGNALFD	3738	#if EV_USE_SIGNALFD
…		…
3504		3798
3505	EV_FREQUENT_CHECK;	3799	EV_FREQUENT_CHECK;
3506	}	3800	}
3507		3801
3508	void noinline	3802	void noinline
3509	ev_signal_stop (EV_P_ ev_signal *w)	3803	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3510	{	3804	{
3511	clear_pending (EV_A_ (W)w);	3805	clear_pending (EV_A_ (W)w);
3512	if (expect_false (!ev_is_active (w)))	3806	if (expect_false (!ev_is_active (w)))
3513	return;	3807	return;
3514		3808
…		…
3545	#endif	3839	#endif
3546		3840
3547	#if EV_CHILD_ENABLE	3841	#if EV_CHILD_ENABLE
3548		3842
3549	void	3843	void
3550	ev_child_start (EV_P_ ev_child *w)	3844	ev_child_start (EV_P_ ev_child *w) EV_THROW
3551	{	3845	{
3552	#if EV_MULTIPLICITY	3846	#if EV_MULTIPLICITY
3553	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3847	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3554	#endif	3848	#endif
3555	if (expect_false (ev_is_active (w)))	3849	if (expect_false (ev_is_active (w)))
…		…
3562		3856
3563	EV_FREQUENT_CHECK;	3857	EV_FREQUENT_CHECK;
3564	}	3858	}
3565		3859
3566	void	3860	void
3567	ev_child_stop (EV_P_ ev_child *w)	3861	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3568	{	3862	{
3569	clear_pending (EV_A_ (W)w);	3863	clear_pending (EV_A_ (W)w);
3570	if (expect_false (!ev_is_active (w)))	3864	if (expect_false (!ev_is_active (w)))
3571	return;	3865	return;
3572		3866
…		…
3739	}	4033	}
3740		4034
3741	inline_size int	4035	inline_size int
3742	infy_newfd (void)	4036	infy_newfd (void)
3743	{	4037	{
3744	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4038	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3745	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4039	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3746	if (fd >= 0)	4040	if (fd >= 0)
3747	return fd;	4041	return fd;
3748	#endif	4042	#endif
3749	return inotify_init ();	4043	return inotify_init ();
…		…
3824	#else	4118	#else
3825	# define EV_LSTAT(p,b) lstat (p, b)	4119	# define EV_LSTAT(p,b) lstat (p, b)
3826	#endif	4120	#endif
3827		4121
3828	void	4122	void
3829	ev_stat_stat (EV_P_ ev_stat *w)	4123	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3830	{	4124	{
3831	if (lstat (w->path, &w->attr) < 0)	4125	if (lstat (w->path, &w->attr) < 0)
3832	w->attr.st_nlink = 0;	4126	w->attr.st_nlink = 0;
3833	else if (!w->attr.st_nlink)	4127	else if (!w->attr.st_nlink)
3834	w->attr.st_nlink = 1;	4128	w->attr.st_nlink = 1;
…		…
3873	ev_feed_event (EV_A_ w, EV_STAT);	4167	ev_feed_event (EV_A_ w, EV_STAT);
3874	}	4168	}
3875	}	4169	}
3876		4170
3877	void	4171	void
3878	ev_stat_start (EV_P_ ev_stat *w)	4172	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3879	{	4173	{
3880	if (expect_false (ev_is_active (w)))	4174	if (expect_false (ev_is_active (w)))
3881	return;	4175	return;
3882		4176
3883	ev_stat_stat (EV_A_ w);	4177	ev_stat_stat (EV_A_ w);
…		…
3904		4198
3905	EV_FREQUENT_CHECK;	4199	EV_FREQUENT_CHECK;
3906	}	4200	}
3907		4201
3908	void	4202	void
3909	ev_stat_stop (EV_P_ ev_stat *w)	4203	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3910	{	4204	{
3911	clear_pending (EV_A_ (W)w);	4205	clear_pending (EV_A_ (W)w);
3912	if (expect_false (!ev_is_active (w)))	4206	if (expect_false (!ev_is_active (w)))
3913	return;	4207	return;
3914		4208
…		…
3930	}	4224	}
3931	#endif	4225	#endif
3932		4226
3933	#if EV_IDLE_ENABLE	4227	#if EV_IDLE_ENABLE
3934	void	4228	void
3935	ev_idle_start (EV_P_ ev_idle *w)	4229	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3936	{	4230	{
3937	if (expect_false (ev_is_active (w)))	4231	if (expect_false (ev_is_active (w)))
3938	return;	4232	return;
3939		4233
3940	pri_adjust (EV_A_ (W)w);	4234	pri_adjust (EV_A_ (W)w);
…		…
3953		4247
3954	EV_FREQUENT_CHECK;	4248	EV_FREQUENT_CHECK;
3955	}	4249	}
3956		4250
3957	void	4251	void
3958	ev_idle_stop (EV_P_ ev_idle *w)	4252	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3959	{	4253	{
3960	clear_pending (EV_A_ (W)w);	4254	clear_pending (EV_A_ (W)w);
3961	if (expect_false (!ev_is_active (w)))	4255	if (expect_false (!ev_is_active (w)))
3962	return;	4256	return;
3963		4257
…		…
3977	}	4271	}
3978	#endif	4272	#endif
3979		4273
3980	#if EV_PREPARE_ENABLE	4274	#if EV_PREPARE_ENABLE
3981	void	4275	void
3982	ev_prepare_start (EV_P_ ev_prepare *w)	4276	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3983	{	4277	{
3984	if (expect_false (ev_is_active (w)))	4278	if (expect_false (ev_is_active (w)))
3985	return;	4279	return;
3986		4280
3987	EV_FREQUENT_CHECK;	4281	EV_FREQUENT_CHECK;
…		…
3992		4286
3993	EV_FREQUENT_CHECK;	4287	EV_FREQUENT_CHECK;
3994	}	4288	}
3995		4289
3996	void	4290	void
3997	ev_prepare_stop (EV_P_ ev_prepare *w)	4291	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3998	{	4292	{
3999	clear_pending (EV_A_ (W)w);	4293	clear_pending (EV_A_ (W)w);
4000	if (expect_false (!ev_is_active (w)))	4294	if (expect_false (!ev_is_active (w)))
4001	return;	4295	return;
4002		4296
…		…
4015	}	4309	}
4016	#endif	4310	#endif
4017		4311
4018	#if EV_CHECK_ENABLE	4312	#if EV_CHECK_ENABLE
4019	void	4313	void
4020	ev_check_start (EV_P_ ev_check *w)	4314	ev_check_start (EV_P_ ev_check *w) EV_THROW
4021	{	4315	{
4022	if (expect_false (ev_is_active (w)))	4316	if (expect_false (ev_is_active (w)))
4023	return;	4317	return;
4024		4318
4025	EV_FREQUENT_CHECK;	4319	EV_FREQUENT_CHECK;
…		…
4030		4324
4031	EV_FREQUENT_CHECK;	4325	EV_FREQUENT_CHECK;
4032	}	4326	}
4033		4327
4034	void	4328	void
4035	ev_check_stop (EV_P_ ev_check *w)	4329	ev_check_stop (EV_P_ ev_check *w) EV_THROW
4036	{	4330	{
4037	clear_pending (EV_A_ (W)w);	4331	clear_pending (EV_A_ (W)w);
4038	if (expect_false (!ev_is_active (w)))	4332	if (expect_false (!ev_is_active (w)))
4039	return;	4333	return;
4040		4334
…		…
4053	}	4347	}
4054	#endif	4348	#endif
4055		4349
4056	#if EV_EMBED_ENABLE	4350	#if EV_EMBED_ENABLE
4057	void noinline	4351	void noinline
4058	ev_embed_sweep (EV_P_ ev_embed *w)	4352	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4059	{	4353	{
4060	ev_run (w->other, EVRUN_NOWAIT);	4354	ev_run (w->other, EVRUN_NOWAIT);
4061	}	4355	}
4062		4356
4063	static void	4357	static void
…		…
4111	ev_idle_stop (EV_A_ idle);	4405	ev_idle_stop (EV_A_ idle);
4112	}	4406	}
4113	#endif	4407	#endif
4114		4408
4115	void	4409	void
4116	ev_embed_start (EV_P_ ev_embed *w)	4410	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4117	{	4411	{
4118	if (expect_false (ev_is_active (w)))	4412	if (expect_false (ev_is_active (w)))
4119	return;	4413	return;
4120		4414
4121	{	4415	{
…		…
4142		4436
4143	EV_FREQUENT_CHECK;	4437	EV_FREQUENT_CHECK;
4144	}	4438	}
4145		4439
4146	void	4440	void
4147	ev_embed_stop (EV_P_ ev_embed *w)	4441	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4148	{	4442	{
4149	clear_pending (EV_A_ (W)w);	4443	clear_pending (EV_A_ (W)w);
4150	if (expect_false (!ev_is_active (w)))	4444	if (expect_false (!ev_is_active (w)))
4151	return;	4445	return;
4152		4446
…		…
4162	}	4456	}
4163	#endif	4457	#endif
4164		4458
4165	#if EV_FORK_ENABLE	4459	#if EV_FORK_ENABLE
4166	void	4460	void
4167	ev_fork_start (EV_P_ ev_fork *w)	4461	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4168	{	4462	{
4169	if (expect_false (ev_is_active (w)))	4463	if (expect_false (ev_is_active (w)))
4170	return;	4464	return;
4171		4465
4172	EV_FREQUENT_CHECK;	4466	EV_FREQUENT_CHECK;
…		…
4177		4471
4178	EV_FREQUENT_CHECK;	4472	EV_FREQUENT_CHECK;
4179	}	4473	}
4180		4474
4181	void	4475	void
4182	ev_fork_stop (EV_P_ ev_fork *w)	4476	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4183	{	4477	{
4184	clear_pending (EV_A_ (W)w);	4478	clear_pending (EV_A_ (W)w);
4185	if (expect_false (!ev_is_active (w)))	4479	if (expect_false (!ev_is_active (w)))
4186	return;	4480	return;
4187		4481
…		…
4200	}	4494	}
4201	#endif	4495	#endif
4202		4496
4203	#if EV_CLEANUP_ENABLE	4497	#if EV_CLEANUP_ENABLE
4204	void	4498	void
4205	ev_cleanup_start (EV_P_ ev_cleanup *w)	4499	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4206	{	4500	{
4207	if (expect_false (ev_is_active (w)))	4501	if (expect_false (ev_is_active (w)))
4208	return;	4502	return;
4209		4503
4210	EV_FREQUENT_CHECK;	4504	EV_FREQUENT_CHECK;
…		…
4217	ev_unref (EV_A);	4511	ev_unref (EV_A);
4218	EV_FREQUENT_CHECK;	4512	EV_FREQUENT_CHECK;
4219	}	4513	}
4220		4514
4221	void	4515	void
4222	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4516	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4223	{	4517	{
4224	clear_pending (EV_A_ (W)w);	4518	clear_pending (EV_A_ (W)w);
4225	if (expect_false (!ev_is_active (w)))	4519	if (expect_false (!ev_is_active (w)))
4226	return;	4520	return;
4227		4521
…		…
4241	}	4535	}
4242	#endif	4536	#endif
4243		4537
4244	#if EV_ASYNC_ENABLE	4538	#if EV_ASYNC_ENABLE
4245	void	4539	void
4246	ev_async_start (EV_P_ ev_async *w)	4540	ev_async_start (EV_P_ ev_async *w) EV_THROW
4247	{	4541	{
4248	if (expect_false (ev_is_active (w)))	4542	if (expect_false (ev_is_active (w)))
4249	return;	4543	return;
4250		4544
4251	w->sent = 0;	4545	w->sent = 0;
…		…
4260		4554
4261	EV_FREQUENT_CHECK;	4555	EV_FREQUENT_CHECK;
4262	}	4556	}
4263		4557
4264	void	4558	void
4265	ev_async_stop (EV_P_ ev_async *w)	4559	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4266	{	4560	{
4267	clear_pending (EV_A_ (W)w);	4561	clear_pending (EV_A_ (W)w);
4268	if (expect_false (!ev_is_active (w)))	4562	if (expect_false (!ev_is_active (w)))
4269	return;	4563	return;
4270		4564
…		…
4281		4575
4282	EV_FREQUENT_CHECK;	4576	EV_FREQUENT_CHECK;
4283	}	4577	}
4284		4578
4285	void	4579	void
4286	ev_async_send (EV_P_ ev_async *w)	4580	ev_async_send (EV_P_ ev_async *w) EV_THROW
4287	{	4581	{
4288	w->sent = 1;	4582	w->sent = 1;
4289	evpipe_write (EV_A_ &async_pending);	4583	evpipe_write (EV_A_ &async_pending);
4290	}	4584	}
4291	#endif	4585	#endif
…		…
4328		4622
4329	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4623	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4330	}	4624	}
4331		4625
4332	void	4626	void
4333	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4627	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4334	{	4628	{
4335	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4629	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4336		4630
4337	if (expect_false (!once))	4631	if (expect_false (!once))
4338	{	4632	{
…		…
4360		4654
4361	/*****************************************************************************/	4655	/*****************************************************************************/
4362		4656
4363	#if EV_WALK_ENABLE	4657	#if EV_WALK_ENABLE
4364	void ecb_cold	4658	void ecb_cold
4365	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4659	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4366	{	4660	{
4367	int i, j;	4661	int i, j;
4368	ev_watcher_list *wl, *wn;	4662	ev_watcher_list *wl, *wn;
4369		4663
4370	if (types & (EV_IO | EV_EMBED))	4664	if (types & (EV_IO | EV_EMBED))

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