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Comparing libev/ev.c (file contents):
Revision 1.410 by root, Sat Feb 4 17:57:55 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")
		612	#elif defined __mips__
		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")
582	#endif	621	#endif
583	#endif	622	#endif
584	#endif	623	#endif
585		624
586	#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
587	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)	639	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
588	#define ECB_MEMORY_FENCE __sync_synchronize ()	640	#define ECB_MEMORY_FENCE __sync_synchronize ()
589	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
590	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
591	#elif _MSC_VER >= 1400 /* VC++ 2005 */	641	#elif _MSC_VER >= 1400 /* VC++ 2005 */
592	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	642	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
593	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	643	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
594	#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 */
595	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	645	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
596	#elif defined(_WIN32)	646	#elif defined _WIN32
597	#include <WinNT.h>	647	#include <WinNT.h>
598	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	648	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
599	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	649	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
600	#include <mbarrier.h>	650	#include <mbarrier.h>
601	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	651	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
602	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	652	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
603	#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)
604	#endif	671	#endif
605	#endif	672	#endif
606		673
607	#ifndef ECB_MEMORY_FENCE	674	#ifndef ECB_MEMORY_FENCE
608	#if !ECB_AVOID_PTHREADS	675	#if !ECB_AVOID_PTHREADS
…		…
620	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	687	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
621	#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)
622	#endif	689	#endif
623	#endif	690	#endif
624		691
625	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	692	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
626	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	693	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
627	#endif	694	#endif
628		695
629	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	696	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
630	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	697	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
631	#endif	698	#endif
632		699
633	/*****************************************************************************/	700	/*****************************************************************************/
634
635	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
636		701
637	#if __cplusplus	702	#if __cplusplus
638	#define ecb_inline static inline	703	#define ecb_inline static inline
639	#elif ECB_GCC_VERSION(2,5)	704	#elif ECB_GCC_VERSION(2,5)
640	#define ecb_inline static __inline__	705	#define ecb_inline static __inline__
…		…
679	#elif ECB_GCC_VERSION(3,0)	744	#elif ECB_GCC_VERSION(3,0)
680	#define ecb_decltype(x) __typeof(x)	745	#define ecb_decltype(x) __typeof(x)
681	#endif	746	#endif
682		747
683	#define ecb_noinline ecb_attribute ((__noinline__))	748	#define ecb_noinline ecb_attribute ((__noinline__))
684	#define ecb_noreturn ecb_attribute ((__noreturn__))
685	#define ecb_unused ecb_attribute ((__unused__))	749	#define ecb_unused ecb_attribute ((__unused__))
686	#define ecb_const ecb_attribute ((__const__))	750	#define ecb_const ecb_attribute ((__const__))
687	#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
688		758
689	#if ECB_GCC_VERSION(4,3)	759	#if ECB_GCC_VERSION(4,3)
690	#define ecb_artificial ecb_attribute ((__artificial__))	760	#define ecb_artificial ecb_attribute ((__artificial__))
691	#define ecb_hot ecb_attribute ((__hot__))	761	#define ecb_hot ecb_attribute ((__hot__))
692	#define ecb_cold ecb_attribute ((__cold__))	762	#define ecb_cold ecb_attribute ((__cold__))
…		…
783		853
784	return r + ecb_ld32 (x);	854	return r + ecb_ld32 (x);
785	}	855	}
786	#endif	856	#endif
787		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
788	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	863	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
789	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	864	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
790	{	865	{
791	return ( (x * 0x0802U & 0x22110U)	866	return ( (x * 0x0802U & 0x22110U)
792	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	867	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
…		…
876	ecb_inline void ecb_unreachable (void) ecb_noreturn;	951	ecb_inline void ecb_unreachable (void) ecb_noreturn;
877	ecb_inline void ecb_unreachable (void) { }	952	ecb_inline void ecb_unreachable (void) { }
878	#endif	953	#endif
879		954
880	/* try to tell the compiler that some condition is definitely true */	955	/* try to tell the compiler that some condition is definitely true */
881	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	956	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
882		957
883	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	958	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
884	ecb_inline unsigned char	959	ecb_inline unsigned char
885	ecb_byteorder_helper (void)	960	ecb_byteorder_helper (void)
886	{	961	{
887	const uint32_t u = 0x11223344;	962	/* the union code still generates code under pressure in gcc, */
888	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
889	}	982	}
890		983
891	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	984	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
892	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; }
893	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	986	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
…		…
924	}	1017	}
925	#else	1018	#else
926	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1019	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
927	#endif	1020	#endif
928		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
929	#endif	1189	#endif
930		1190
931	/* ECB.H END */	1191	/* ECB.H END */
932		1192
933	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1193	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
…		…
1099	{	1359	{
1100	write (STDERR_FILENO, msg, strlen (msg));	1360	write (STDERR_FILENO, msg, strlen (msg));
1101	}	1361	}
1102	#endif	1362	#endif
1103		1363
1104	static void (*syserr_cb)(const char *msg);	1364	static void (*syserr_cb)(const char *msg) EV_THROW;
1105		1365
1106	void ecb_cold	1366	void ecb_cold
1107	ev_set_syserr_cb (void (*cb)(const char *msg))	1367	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1108	{	1368	{
1109	syserr_cb = cb;	1369	syserr_cb = cb;
1110	}	1370	}
1111		1371
1112	static void noinline ecb_cold	1372	static void noinline ecb_cold
…		…
1130	abort ();	1390	abort ();
1131	}	1391	}
1132	}	1392	}
1133		1393
1134	static void *	1394	static void *
1135	ev_realloc_emul (void *ptr, long size)	1395	ev_realloc_emul (void *ptr, long size) EV_THROW
1136	{	1396	{
1137	#if __GLIBC__
1138	return realloc (ptr, size);
1139	#else
1140	/* some systems, notably openbsd and darwin, fail to properly	1397	/* some systems, notably openbsd and darwin, fail to properly
1141	* 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
1142	* 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.
1143	*/	1402	*/
1144		1403
1145	if (size)	1404	if (size)
1146	return realloc (ptr, size);	1405	return realloc (ptr, size);
1147		1406
1148	free (ptr);	1407	free (ptr);
1149	return 0;	1408	return 0;
1150	#endif
1151	}	1409	}
1152		1410
1153	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1411	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1154		1412
1155	void ecb_cold	1413	void ecb_cold
1156	ev_set_allocator (void *(*cb)(void *ptr, long size))	1414	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1157	{	1415	{
1158	alloc = cb;	1416	alloc = cb;
1159	}	1417	}
1160		1418
1161	inline_speed void *	1419	inline_speed void *
…		…
1278		1536
1279	/*****************************************************************************/	1537	/*****************************************************************************/
1280		1538
1281	#ifndef EV_HAVE_EV_TIME	1539	#ifndef EV_HAVE_EV_TIME
1282	ev_tstamp	1540	ev_tstamp
1283	ev_time (void)	1541	ev_time (void) EV_THROW
1284	{	1542	{
1285	#if EV_USE_REALTIME	1543	#if EV_USE_REALTIME
1286	if (expect_true (have_realtime))	1544	if (expect_true (have_realtime))
1287	{	1545	{
1288	struct timespec ts;	1546	struct timespec ts;
…		…
1312	return ev_time ();	1570	return ev_time ();
1313	}	1571	}
1314		1572
1315	#if EV_MULTIPLICITY	1573	#if EV_MULTIPLICITY
1316	ev_tstamp	1574	ev_tstamp
1317	ev_now (EV_P)	1575	ev_now (EV_P) EV_THROW
1318	{	1576	{
1319	return ev_rt_now;	1577	return ev_rt_now;
1320	}	1578	}
1321	#endif	1579	#endif
1322		1580
1323	void	1581	void
1324	ev_sleep (ev_tstamp delay)	1582	ev_sleep (ev_tstamp delay) EV_THROW
1325	{	1583	{
1326	if (delay > 0.)	1584	if (delay > 0.)
1327	{	1585	{
1328	#if EV_USE_NANOSLEEP	1586	#if EV_USE_NANOSLEEP
1329	struct timespec ts;	1587	struct timespec ts;
1330		1588
1331	EV_TS_SET (ts, delay);	1589	EV_TS_SET (ts, delay);
1332	nanosleep (&ts, 0);	1590	nanosleep (&ts, 0);
1333	#elif defined(_WIN32)	1591	#elif defined _WIN32
1334	Sleep ((unsigned long)(delay * 1e3));	1592	Sleep ((unsigned long)(delay * 1e3));
1335	#else	1593	#else
1336	struct timeval tv;	1594	struct timeval tv;
1337		1595
1338	/* 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 */
…		…
1410	pendingcb (EV_P_ ev_prepare *w, int revents)	1668	pendingcb (EV_P_ ev_prepare *w, int revents)
1411	{	1669	{
1412	}	1670	}
1413		1671
1414	void noinline	1672	void noinline
1415	ev_feed_event (EV_P_ void *w, int revents)	1673	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1416	{	1674	{
1417	W w_ = (W)w;	1675	W w_ = (W)w;
1418	int pri = ABSPRI (w_);	1676	int pri = ABSPRI (w_);
1419		1677
1420	if (expect_false (w_->pending))	1678	if (expect_false (w_->pending))
…		…
1424	w_->pending = ++pendingcnt [pri];	1682	w_->pending = ++pendingcnt [pri];
1425	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1683	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1426	pendings [pri][w_->pending - 1].w = w_;	1684	pendings [pri][w_->pending - 1].w = w_;
1427	pendings [pri][w_->pending - 1].events = revents;	1685	pendings [pri][w_->pending - 1].events = revents;
1428	}	1686	}
		1687
		1688	pendingpri = NUMPRI - 1;
1429	}	1689	}
1430		1690
1431	inline_speed void	1691	inline_speed void
1432	feed_reverse (EV_P_ W w)	1692	feed_reverse (EV_P_ W w)
1433	{	1693	{
…		…
1479	if (expect_true (!anfd->reify))	1739	if (expect_true (!anfd->reify))
1480	fd_event_nocheck (EV_A_ fd, revents);	1740	fd_event_nocheck (EV_A_ fd, revents);
1481	}	1741	}
1482		1742
1483	void	1743	void
1484	ev_feed_fd_event (EV_P_ int fd, int revents)	1744	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1485	{	1745	{
1486	if (fd >= 0 && fd < anfdmax)	1746	if (fd >= 0 && fd < anfdmax)
1487	fd_event_nocheck (EV_A_ fd, revents);	1747	fd_event_nocheck (EV_A_ fd, revents);
1488	}	1748	}
1489		1749
…		…
1808	static void noinline ecb_cold	2068	static void noinline ecb_cold
1809	evpipe_init (EV_P)	2069	evpipe_init (EV_P)
1810	{	2070	{
1811	if (!ev_is_active (&pipe_w))	2071	if (!ev_is_active (&pipe_w))
1812	{	2072	{
		2073	int fds [2];
		2074
1813	# if EV_USE_EVENTFD	2075	# if EV_USE_EVENTFD
		2076	fds [0] = -1;
1814	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2077	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1815	if (evfd < 0 && errno == EINVAL)	2078	if (fds [1] < 0 && errno == EINVAL)
1816	evfd = eventfd (0, 0);	2079	fds [1] = eventfd (0, 0);
1817		2080
1818	if (evfd >= 0)	2081	if (fds [1] < 0)
		2082	# endif
1819	{	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
1820	evpipe [0] = -1;	2092	evpipe [0] = fds [0];
1821	fd_intern (evfd); /* doing it twice doesn't hurt */	2093
1822	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));
1823	}	2142	}
1824	else	2143	else
1825	# endif	2144	#endif
1826	{	2145	{
1827	while (pipe (evpipe))	2146	#ifdef _WIN32
1828	ev_syserr ("(libev) error creating signal/async pipe");	2147	WSABUF buf;
1829		2148	DWORD sent;
1830	fd_intern (evpipe [0]);	2149	buf.buf = &buf;
1831	fd_intern (evpipe [1]);	2150	buf.len = 1;
1832	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2151	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1833	}	2152	#else
1834
1835	ev_io_start (EV_A_ &pipe_w);
1836	ev_unref (EV_A); /* watcher should not keep loop alive */
1837	}
1838	}
1839
1840	inline_speed void
1841	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1842	{
1843	if (expect_true (*flag))
1844	return;
1845
1846	*flag = 1;
1847
1848	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1849
1850	pipe_write_skipped = 1;
1851
1852	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1853
1854	if (pipe_write_wanted)
1855	{
1856	int old_errno;
1857
1858	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1859
1860	old_errno = errno; /* save errno because write will clobber it */
1861
1862	#if EV_USE_EVENTFD
1863	if (evfd >= 0)
1864	{
1865	uint64_t counter = 1;
1866	write (evfd, &counter, sizeof (uint64_t));
1867	}
1868	else
1869	#endif
1870	{
1871	/* win32 people keep sending patches that change this write() to send() */
1872	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1873	/* so when you think this write should be a send instead, please find out */
1874	/* where your send() is from - it's definitely not the microsoft send, and */
1875	/* tell me. thank you. */
1876	write (evpipe [1], &(evpipe [1]), 1);	2153	write (evpipe [1], &(evpipe [1]), 1);
		2154	#endif
1877	}	2155	}
1878		2156
1879	errno = old_errno;	2157	errno = old_errno;
1880	}	2158	}
1881	}	2159	}
…		…
1888	int i;	2166	int i;
1889		2167
1890	if (revents & EV_READ)	2168	if (revents & EV_READ)
1891	{	2169	{
1892	#if EV_USE_EVENTFD	2170	#if EV_USE_EVENTFD
1893	if (evfd >= 0)	2171	if (evpipe [0] < 0)
1894	{	2172	{
1895	uint64_t counter;	2173	uint64_t counter;
1896	read (evfd, &counter, sizeof (uint64_t));	2174	read (evpipe [1], &counter, sizeof (uint64_t));
1897	}	2175	}
1898	else	2176	else
1899	#endif	2177	#endif
1900	{	2178	{
1901	char dummy;	2179	char dummy[4];
1902	/* 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
1903	read (evpipe [0], &dummy, 1);	2188	read (evpipe [0], &dummy, sizeof (dummy));
		2189	#endif
1904	}	2190	}
1905	}	2191	}
1906		2192
1907	pipe_write_skipped = 0;	2193	pipe_write_skipped = 0;
		2194
		2195	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1908		2196
1909	#if EV_SIGNAL_ENABLE	2197	#if EV_SIGNAL_ENABLE
1910	if (sig_pending)	2198	if (sig_pending)
1911	{	2199	{
1912	sig_pending = 0;	2200	sig_pending = 0;
		2201
		2202	ECB_MEMORY_FENCE;
1913		2203
1914	for (i = EV_NSIG - 1; i--; )	2204	for (i = EV_NSIG - 1; i--; )
1915	if (expect_false (signals [i].pending))	2205	if (expect_false (signals [i].pending))
1916	ev_feed_signal_event (EV_A_ i + 1);	2206	ev_feed_signal_event (EV_A_ i + 1);
1917	}	2207	}
…		…
1919		2209
1920	#if EV_ASYNC_ENABLE	2210	#if EV_ASYNC_ENABLE
1921	if (async_pending)	2211	if (async_pending)
1922	{	2212	{
1923	async_pending = 0;	2213	async_pending = 0;
		2214
		2215	ECB_MEMORY_FENCE;
1924		2216
1925	for (i = asynccnt; i--; )	2217	for (i = asynccnt; i--; )
1926	if (asyncs [i]->sent)	2218	if (asyncs [i]->sent)
1927	{	2219	{
1928	asyncs [i]->sent = 0;	2220	asyncs [i]->sent = 0;
		2221	ECB_MEMORY_FENCE_RELEASE;
1929	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2222	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1930	}	2223	}
1931	}	2224	}
1932	#endif	2225	#endif
1933	}	2226	}
1934		2227
1935	/*****************************************************************************/	2228	/*****************************************************************************/
1936		2229
1937	void	2230	void
1938	ev_feed_signal (int signum)	2231	ev_feed_signal (int signum) EV_THROW
1939	{	2232	{
1940	#if EV_MULTIPLICITY	2233	#if EV_MULTIPLICITY
		2234	ECB_MEMORY_FENCE_ACQUIRE;
1941	EV_P = signals [signum - 1].loop;	2235	EV_P = signals [signum - 1].loop;
1942		2236
1943	if (!EV_A)	2237	if (!EV_A)
1944	return;	2238	return;
1945	#endif	2239	#endif
1946		2240
1947	if (!ev_active (&pipe_w))
1948	return;
1949
1950	signals [signum - 1].pending = 1;	2241	signals [signum - 1].pending = 1;
1951	evpipe_write (EV_A_ &sig_pending);	2242	evpipe_write (EV_A_ &sig_pending);
1952	}	2243	}
1953		2244
1954	static void	2245	static void
…		…
1960		2251
1961	ev_feed_signal (signum);	2252	ev_feed_signal (signum);
1962	}	2253	}
1963		2254
1964	void noinline	2255	void noinline
1965	ev_feed_signal_event (EV_P_ int signum)	2256	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1966	{	2257	{
1967	WL w;	2258	WL w;
1968		2259
1969	if (expect_false (signum <= 0 || signum > EV_NSIG))	2260	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1970	return;	2261	return;
1971		2262
1972	--signum;	2263	--signum;
1973		2264
1974	#if EV_MULTIPLICITY	2265	#if EV_MULTIPLICITY
…		…
1978	if (expect_false (signals [signum].loop != EV_A))	2269	if (expect_false (signals [signum].loop != EV_A))
1979	return;	2270	return;
1980	#endif	2271	#endif
1981		2272
1982	signals [signum].pending = 0;	2273	signals [signum].pending = 0;
		2274	ECB_MEMORY_FENCE_RELEASE;
1983		2275
1984	for (w = signals [signum].head; w; w = w->next)	2276	for (w = signals [signum].head; w; w = w->next)
1985	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2277	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1986	}	2278	}
1987		2279
…		…
2086	#if EV_USE_SELECT	2378	#if EV_USE_SELECT
2087	# include "ev_select.c"	2379	# include "ev_select.c"
2088	#endif	2380	#endif
2089		2381
2090	int ecb_cold	2382	int ecb_cold
2091	ev_version_major (void)	2383	ev_version_major (void) EV_THROW
2092	{	2384	{
2093	return EV_VERSION_MAJOR;	2385	return EV_VERSION_MAJOR;
2094	}	2386	}
2095		2387
2096	int ecb_cold	2388	int ecb_cold
2097	ev_version_minor (void)	2389	ev_version_minor (void) EV_THROW
2098	{	2390	{
2099	return EV_VERSION_MINOR;	2391	return EV_VERSION_MINOR;
2100	}	2392	}
2101		2393
2102	/* 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 */
…		…
2110	|| getgid () != getegid ();	2402	|| getgid () != getegid ();
2111	#endif	2403	#endif
2112	}	2404	}
2113		2405
2114	unsigned int ecb_cold	2406	unsigned int ecb_cold
2115	ev_supported_backends (void)	2407	ev_supported_backends (void) EV_THROW
2116	{	2408	{
2117	unsigned int flags = 0;	2409	unsigned int flags = 0;
2118		2410
2119	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2411	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2120	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2412	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2124		2416
2125	return flags;	2417	return flags;
2126	}	2418	}
2127		2419
2128	unsigned int ecb_cold	2420	unsigned int ecb_cold
2129	ev_recommended_backends (void)	2421	ev_recommended_backends (void) EV_THROW
2130	{	2422	{
2131	unsigned int flags = ev_supported_backends ();	2423	unsigned int flags = ev_supported_backends ();
2132		2424
2133	#ifndef __NetBSD__	2425	#ifndef __NetBSD__
2134	/* kqueue is borked on everything but netbsd apparently */	2426	/* kqueue is borked on everything but netbsd apparently */
…		…
2146		2438
2147	return flags;	2439	return flags;
2148	}	2440	}
2149		2441
2150	unsigned int ecb_cold	2442	unsigned int ecb_cold
2151	ev_embeddable_backends (void)	2443	ev_embeddable_backends (void) EV_THROW
2152	{	2444	{
2153	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2445	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2154		2446
2155	/* 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 */
2156	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 */
…		…
2158		2450
2159	return flags;	2451	return flags;
2160	}	2452	}
2161		2453
2162	unsigned int	2454	unsigned int
2163	ev_backend (EV_P)	2455	ev_backend (EV_P) EV_THROW
2164	{	2456	{
2165	return backend;	2457	return backend;
2166	}	2458	}
2167		2459
2168	#if EV_FEATURE_API	2460	#if EV_FEATURE_API
2169	unsigned int	2461	unsigned int
2170	ev_iteration (EV_P)	2462	ev_iteration (EV_P) EV_THROW
2171	{	2463	{
2172	return loop_count;	2464	return loop_count;
2173	}	2465	}
2174		2466
2175	unsigned int	2467	unsigned int
2176	ev_depth (EV_P)	2468	ev_depth (EV_P) EV_THROW
2177	{	2469	{
2178	return loop_depth;	2470	return loop_depth;
2179	}	2471	}
2180		2472
2181	void	2473	void
2182	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2474	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2183	{	2475	{
2184	io_blocktime = interval;	2476	io_blocktime = interval;
2185	}	2477	}
2186		2478
2187	void	2479	void
2188	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2480	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2189	{	2481	{
2190	timeout_blocktime = interval;	2482	timeout_blocktime = interval;
2191	}	2483	}
2192		2484
2193	void	2485	void
2194	ev_set_userdata (EV_P_ void *data)	2486	ev_set_userdata (EV_P_ void *data) EV_THROW
2195	{	2487	{
2196	userdata = data;	2488	userdata = data;
2197	}	2489	}
2198		2490
2199	void *	2491	void *
2200	ev_userdata (EV_P)	2492	ev_userdata (EV_P) EV_THROW
2201	{	2493	{
2202	return userdata;	2494	return userdata;
2203	}	2495	}
2204		2496
2205	void	2497	void
2206	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
2207	{	2499	{
2208	invoke_cb = invoke_pending_cb;	2500	invoke_cb = invoke_pending_cb;
2209	}	2501	}
2210		2502
2211	void	2503	void
2212	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
2213	{	2505	{
2214	release_cb = release;	2506	release_cb = release;
2215	acquire_cb = acquire;	2507	acquire_cb = acquire;
2216	}	2508	}
2217	#endif	2509	#endif
2218		2510
2219	/* initialise a loop structure, must be zero-initialised */	2511	/* initialise a loop structure, must be zero-initialised */
2220	static void noinline ecb_cold	2512	static void noinline ecb_cold
2221	loop_init (EV_P_ unsigned int flags)	2513	loop_init (EV_P_ unsigned int flags) EV_THROW
2222	{	2514	{
2223	if (!backend)	2515	if (!backend)
2224	{	2516	{
2225	origflags = flags;	2517	origflags = flags;
2226		2518
…		…
2271	#if EV_ASYNC_ENABLE	2563	#if EV_ASYNC_ENABLE
2272	async_pending = 0;	2564	async_pending = 0;
2273	#endif	2565	#endif
2274	pipe_write_skipped = 0;	2566	pipe_write_skipped = 0;
2275	pipe_write_wanted = 0;	2567	pipe_write_wanted = 0;
		2568	evpipe [0] = -1;
		2569	evpipe [1] = -1;
2276	#if EV_USE_INOTIFY	2570	#if EV_USE_INOTIFY
2277	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2571	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2278	#endif	2572	#endif
2279	#if EV_USE_SIGNALFD	2573	#if EV_USE_SIGNALFD
2280	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2574	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2331	EV_INVOKE_PENDING;	2625	EV_INVOKE_PENDING;
2332	}	2626	}
2333	#endif	2627	#endif
2334		2628
2335	#if EV_CHILD_ENABLE	2629	#if EV_CHILD_ENABLE
2336	if (ev_is_active (&childev))	2630	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2337	{	2631	{
2338	ev_ref (EV_A); /* child watcher */	2632	ev_ref (EV_A); /* child watcher */
2339	ev_signal_stop (EV_A_ &childev);	2633	ev_signal_stop (EV_A_ &childev);
2340	}	2634	}
2341	#endif	2635	#endif
…		…
2343	if (ev_is_active (&pipe_w))	2637	if (ev_is_active (&pipe_w))
2344	{	2638	{
2345	/*ev_ref (EV_A);*/	2639	/*ev_ref (EV_A);*/
2346	/*ev_io_stop (EV_A_ &pipe_w);*/	2640	/*ev_io_stop (EV_A_ &pipe_w);*/
2347		2641
2348	#if EV_USE_EVENTFD
2349	if (evfd >= 0)
2350	close (evfd);
2351	#endif
2352
2353	if (evpipe [0] >= 0)
2354	{
2355	EV_WIN32_CLOSE_FD (evpipe [0]);	2642	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2356	EV_WIN32_CLOSE_FD (evpipe [1]);	2643	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2357	}
2358	}	2644	}
2359		2645
2360	#if EV_USE_SIGNALFD	2646	#if EV_USE_SIGNALFD
2361	if (ev_is_active (&sigfd_w))	2647	if (ev_is_active (&sigfd_w))
2362	close (sigfd);	2648	close (sigfd);
…		…
2448	#endif	2734	#endif
2449	#if EV_USE_INOTIFY	2735	#if EV_USE_INOTIFY
2450	infy_fork (EV_A);	2736	infy_fork (EV_A);
2451	#endif	2737	#endif
2452		2738
		2739	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2453	if (ev_is_active (&pipe_w))	2740	if (ev_is_active (&pipe_w))
2454	{	2741	{
2455	/* 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 */
2456		2743
2457	ev_ref (EV_A);	2744	ev_ref (EV_A);
2458	ev_io_stop (EV_A_ &pipe_w);	2745	ev_io_stop (EV_A_ &pipe_w);
2459		2746
2460	#if EV_USE_EVENTFD
2461	if (evfd >= 0)
2462	close (evfd);
2463	#endif
2464
2465	if (evpipe [0] >= 0)	2747	if (evpipe [0] >= 0)
2466	{
2467	EV_WIN32_CLOSE_FD (evpipe [0]);	2748	EV_WIN32_CLOSE_FD (evpipe [0]);
2468	EV_WIN32_CLOSE_FD (evpipe [1]);
2469	}
2470		2749
2471	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2472	evpipe_init (EV_A);	2750	evpipe_init (EV_A);
2473	/* now iterate over everything, in case we missed something */	2751	/* iterate over everything, in case we missed something before */
2474	pipecb (EV_A_ &pipe_w, EV_READ);	2752	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2475	#endif
2476	}	2753	}
		2754	#endif
2477		2755
2478	postfork = 0;	2756	postfork = 0;
2479	}	2757	}
2480		2758
2481	#if EV_MULTIPLICITY	2759	#if EV_MULTIPLICITY
2482		2760
2483	struct ev_loop * ecb_cold	2761	struct ev_loop * ecb_cold
2484	ev_loop_new (unsigned int flags)	2762	ev_loop_new (unsigned int flags) EV_THROW
2485	{	2763	{
2486	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2764	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2487		2765
2488	memset (EV_A, 0, sizeof (struct ev_loop));	2766	memset (EV_A, 0, sizeof (struct ev_loop));
2489	loop_init (EV_A_ flags);	2767	loop_init (EV_A_ flags);
…		…
2533	}	2811	}
2534	#endif	2812	#endif
2535		2813
2536	#if EV_FEATURE_API	2814	#if EV_FEATURE_API
2537	void ecb_cold	2815	void ecb_cold
2538	ev_verify (EV_P)	2816	ev_verify (EV_P) EV_THROW
2539	{	2817	{
2540	#if EV_VERIFY	2818	#if EV_VERIFY
2541	int i;	2819	int i;
2542	WL w;	2820	WL w, w2;
2543		2821
2544	assert (activecnt >= -1);	2822	assert (activecnt >= -1);
2545		2823
2546	assert (fdchangemax >= fdchangecnt);	2824	assert (fdchangemax >= fdchangecnt);
2547	for (i = 0; i < fdchangecnt; ++i)	2825	for (i = 0; i < fdchangecnt; ++i)
2548	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2826	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2549		2827
2550	assert (anfdmax >= 0);	2828	assert (anfdmax >= 0);
2551	for (i = 0; i < anfdmax; ++i)	2829	for (i = 0; i < anfdmax; ++i)
		2830	{
		2831	int j = 0;
		2832
2552	for (w = anfds [i].head; w; w = w->next)	2833	for (w = w2 = anfds [i].head; w; w = w->next)
2553	{	2834	{
2554	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
2555	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));
2556	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));
2557	}	2845	}
		2846	}
2558		2847
2559	assert (timermax >= timercnt);	2848	assert (timermax >= timercnt);
2560	verify_heap (EV_A_ timers, timercnt);	2849	verify_heap (EV_A_ timers, timercnt);
2561		2850
2562	#if EV_PERIODIC_ENABLE	2851	#if EV_PERIODIC_ENABLE
…		…
2612	#if EV_MULTIPLICITY	2901	#if EV_MULTIPLICITY
2613	struct ev_loop * ecb_cold	2902	struct ev_loop * ecb_cold
2614	#else	2903	#else
2615	int	2904	int
2616	#endif	2905	#endif
2617	ev_default_loop (unsigned int flags)	2906	ev_default_loop (unsigned int flags) EV_THROW
2618	{	2907	{
2619	if (!ev_default_loop_ptr)	2908	if (!ev_default_loop_ptr)
2620	{	2909	{
2621	#if EV_MULTIPLICITY	2910	#if EV_MULTIPLICITY
2622	EV_P = ev_default_loop_ptr = &default_loop_struct;	2911	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2641		2930
2642	return ev_default_loop_ptr;	2931	return ev_default_loop_ptr;
2643	}	2932	}
2644		2933
2645	void	2934	void
2646	ev_loop_fork (EV_P)	2935	ev_loop_fork (EV_P) EV_THROW
2647	{	2936	{
2648	postfork = 1; /* must be in line with ev_default_fork */	2937	postfork = 1;
2649	}	2938	}
2650		2939
2651	/*****************************************************************************/	2940	/*****************************************************************************/
2652		2941
2653	void	2942	void
…		…
2655	{	2944	{
2656	EV_CB_INVOKE ((W)w, revents);	2945	EV_CB_INVOKE ((W)w, revents);
2657	}	2946	}
2658		2947
2659	unsigned int	2948	unsigned int
2660	ev_pending_count (EV_P)	2949	ev_pending_count (EV_P) EV_THROW
2661	{	2950	{
2662	int pri;	2951	int pri;
2663	unsigned int count = 0;	2952	unsigned int count = 0;
2664		2953
2665	for (pri = NUMPRI; pri--; )	2954	for (pri = NUMPRI; pri--; )
…		…
2669	}	2958	}
2670		2959
2671	void noinline	2960	void noinline
2672	ev_invoke_pending (EV_P)	2961	ev_invoke_pending (EV_P)
2673	{	2962	{
2674	int pri;	2963	pendingpri = NUMPRI;
2675		2964
2676	for (pri = NUMPRI; pri--; )	2965	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2966	{
		2967	--pendingpri;
		2968
2677	while (pendingcnt [pri])	2969	while (pendingcnt [pendingpri])
2678	{	2970	{
2679	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2971	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2680		2972
2681	p->w->pending = 0;	2973	p->w->pending = 0;
2682	EV_CB_INVOKE (p->w, p->events);	2974	EV_CB_INVOKE (p->w, p->events);
2683	EV_FREQUENT_CHECK;	2975	EV_FREQUENT_CHECK;
2684	}	2976	}
		2977	}
2685	}	2978	}
2686		2979
2687	#if EV_IDLE_ENABLE	2980	#if EV_IDLE_ENABLE
2688	/* make idle watchers pending. this handles the "call-idle */	2981	/* make idle watchers pending. this handles the "call-idle */
2689	/* only when higher priorities are idle" logic */	2982	/* only when higher priorities are idle" logic */
…		…
2779	{	3072	{
2780	EV_FREQUENT_CHECK;	3073	EV_FREQUENT_CHECK;
2781		3074
2782	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3075	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2783	{	3076	{
2784	int feed_count = 0;
2785
2786	do	3077	do
2787	{	3078	{
2788	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3079	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2789		3080
2790	/*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)));*/
…		…
2924		3215
2925	mn_now = ev_rt_now;	3216	mn_now = ev_rt_now;
2926	}	3217	}
2927	}	3218	}
2928		3219
2929	void	3220	int
2930	ev_run (EV_P_ int flags)	3221	ev_run (EV_P_ int flags)
2931	{	3222	{
2932	#if EV_FEATURE_API	3223	#if EV_FEATURE_API
2933	++loop_depth;	3224	++loop_depth;
2934	#endif	3225	#endif
…		…
3049	backend_poll (EV_A_ waittime);	3340	backend_poll (EV_A_ waittime);
3050	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3341	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3051		3342
3052	pipe_write_wanted = 0; /* just an optimisation, no fence needed */	3343	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3053		3344
		3345	ECB_MEMORY_FENCE_ACQUIRE;
3054	if (pipe_write_skipped)	3346	if (pipe_write_skipped)
3055	{	3347	{
3056	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)));
3057	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3349	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3058	}	3350	}
…		…
3091	loop_done = EVBREAK_CANCEL;	3383	loop_done = EVBREAK_CANCEL;
3092		3384
3093	#if EV_FEATURE_API	3385	#if EV_FEATURE_API
3094	--loop_depth;	3386	--loop_depth;
3095	#endif	3387	#endif
		3388
		3389	return activecnt;
3096	}	3390	}
3097		3391
3098	void	3392	void
3099	ev_break (EV_P_ int how)	3393	ev_break (EV_P_ int how) EV_THROW
3100	{	3394	{
3101	loop_done = how;	3395	loop_done = how;
3102	}	3396	}
3103		3397
3104	void	3398	void
3105	ev_ref (EV_P)	3399	ev_ref (EV_P) EV_THROW
3106	{	3400	{
3107	++activecnt;	3401	++activecnt;
3108	}	3402	}
3109		3403
3110	void	3404	void
3111	ev_unref (EV_P)	3405	ev_unref (EV_P) EV_THROW
3112	{	3406	{
3113	--activecnt;	3407	--activecnt;
3114	}	3408	}
3115		3409
3116	void	3410	void
3117	ev_now_update (EV_P)	3411	ev_now_update (EV_P) EV_THROW
3118	{	3412	{
3119	time_update (EV_A_ 1e100);	3413	time_update (EV_A_ 1e100);
3120	}	3414	}
3121		3415
3122	void	3416	void
3123	ev_suspend (EV_P)	3417	ev_suspend (EV_P) EV_THROW
3124	{	3418	{
3125	ev_now_update (EV_A);	3419	ev_now_update (EV_A);
3126	}	3420	}
3127		3421
3128	void	3422	void
3129	ev_resume (EV_P)	3423	ev_resume (EV_P) EV_THROW
3130	{	3424	{
3131	ev_tstamp mn_prev = mn_now;	3425	ev_tstamp mn_prev = mn_now;
3132		3426
3133	ev_now_update (EV_A);	3427	ev_now_update (EV_A);
3134	timers_reschedule (EV_A_ mn_now - mn_prev);	3428	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3173	w->pending = 0;	3467	w->pending = 0;
3174	}	3468	}
3175	}	3469	}
3176		3470
3177	int	3471	int
3178	ev_clear_pending (EV_P_ void *w)	3472	ev_clear_pending (EV_P_ void *w) EV_THROW
3179	{	3473	{
3180	W w_ = (W)w;	3474	W w_ = (W)w;
3181	int pending = w_->pending;	3475	int pending = w_->pending;
3182		3476
3183	if (expect_true (pending))	3477	if (expect_true (pending))
…		…
3216	}	3510	}
3217		3511
3218	/*****************************************************************************/	3512	/*****************************************************************************/
3219		3513
3220	void noinline	3514	void noinline
3221	ev_io_start (EV_P_ ev_io *w)	3515	ev_io_start (EV_P_ ev_io *w) EV_THROW
3222	{	3516	{
3223	int fd = w->fd;	3517	int fd = w->fd;
3224		3518
3225	if (expect_false (ev_is_active (w)))	3519	if (expect_false (ev_is_active (w)))
3226	return;	3520	return;
…		…
3232		3526
3233	ev_start (EV_A_ (W)w, 1);	3527	ev_start (EV_A_ (W)w, 1);
3234	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3528	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3235	wlist_add (&anfds[fd].head, (WL)w);	3529	wlist_add (&anfds[fd].head, (WL)w);
3236		3530
		3531	/* common bug, apparently */
		3532	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3533
3237	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);
3238	w->events &= ~EV__IOFDSET;	3535	w->events &= ~EV__IOFDSET;
3239		3536
3240	EV_FREQUENT_CHECK;	3537	EV_FREQUENT_CHECK;
3241	}	3538	}
3242		3539
3243	void noinline	3540	void noinline
3244	ev_io_stop (EV_P_ ev_io *w)	3541	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3245	{	3542	{
3246	clear_pending (EV_A_ (W)w);	3543	clear_pending (EV_A_ (W)w);
3247	if (expect_false (!ev_is_active (w)))	3544	if (expect_false (!ev_is_active (w)))
3248	return;	3545	return;
3249		3546
…		…
3258		3555
3259	EV_FREQUENT_CHECK;	3556	EV_FREQUENT_CHECK;
3260	}	3557	}
3261		3558
3262	void noinline	3559	void noinline
3263	ev_timer_start (EV_P_ ev_timer *w)	3560	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3264	{	3561	{
3265	if (expect_false (ev_is_active (w)))	3562	if (expect_false (ev_is_active (w)))
3266	return;	3563	return;
3267		3564
3268	ev_at (w) += mn_now;	3565	ev_at (w) += mn_now;
…		…
3282		3579
3283	/*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));*/
3284	}	3581	}
3285		3582
3286	void noinline	3583	void noinline
3287	ev_timer_stop (EV_P_ ev_timer *w)	3584	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3288	{	3585	{
3289	clear_pending (EV_A_ (W)w);	3586	clear_pending (EV_A_ (W)w);
3290	if (expect_false (!ev_is_active (w)))	3587	if (expect_false (!ev_is_active (w)))
3291	return;	3588	return;
3292		3589
…		…
3312		3609
3313	EV_FREQUENT_CHECK;	3610	EV_FREQUENT_CHECK;
3314	}	3611	}
3315		3612
3316	void noinline	3613	void noinline
3317	ev_timer_again (EV_P_ ev_timer *w)	3614	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3318	{	3615	{
3319	EV_FREQUENT_CHECK;	3616	EV_FREQUENT_CHECK;
3320		3617
3321	clear_pending (EV_A_ (W)w);	3618	clear_pending (EV_A_ (W)w);
3322		3619
…		…
3339		3636
3340	EV_FREQUENT_CHECK;	3637	EV_FREQUENT_CHECK;
3341	}	3638	}
3342		3639
3343	ev_tstamp	3640	ev_tstamp
3344	ev_timer_remaining (EV_P_ ev_timer *w)	3641	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3345	{	3642	{
3346	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3643	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3347	}	3644	}
3348		3645
3349	#if EV_PERIODIC_ENABLE	3646	#if EV_PERIODIC_ENABLE
3350	void noinline	3647	void noinline
3351	ev_periodic_start (EV_P_ ev_periodic *w)	3648	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3352	{	3649	{
3353	if (expect_false (ev_is_active (w)))	3650	if (expect_false (ev_is_active (w)))
3354	return;	3651	return;
3355		3652
3356	if (w->reschedule_cb)	3653	if (w->reschedule_cb)
…		…
3376		3673
3377	/*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));*/
3378	}	3675	}
3379		3676
3380	void noinline	3677	void noinline
3381	ev_periodic_stop (EV_P_ ev_periodic *w)	3678	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3382	{	3679	{
3383	clear_pending (EV_A_ (W)w);	3680	clear_pending (EV_A_ (W)w);
3384	if (expect_false (!ev_is_active (w)))	3681	if (expect_false (!ev_is_active (w)))
3385	return;	3682	return;
3386		3683
…		…
3404		3701
3405	EV_FREQUENT_CHECK;	3702	EV_FREQUENT_CHECK;
3406	}	3703	}
3407		3704
3408	void noinline	3705	void noinline
3409	ev_periodic_again (EV_P_ ev_periodic *w)	3706	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3410	{	3707	{
3411	/* TODO: use adjustheap and recalculation */	3708	/* TODO: use adjustheap and recalculation */
3412	ev_periodic_stop (EV_A_ w);	3709	ev_periodic_stop (EV_A_ w);
3413	ev_periodic_start (EV_A_ w);	3710	ev_periodic_start (EV_A_ w);
3414	}	3711	}
…		…
3419	#endif	3716	#endif
3420		3717
3421	#if EV_SIGNAL_ENABLE	3718	#if EV_SIGNAL_ENABLE
3422		3719
3423	void noinline	3720	void noinline
3424	ev_signal_start (EV_P_ ev_signal *w)	3721	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3425	{	3722	{
3426	if (expect_false (ev_is_active (w)))	3723	if (expect_false (ev_is_active (w)))
3427	return;	3724	return;
3428		3725
3429	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));
…		…
3431	#if EV_MULTIPLICITY	3728	#if EV_MULTIPLICITY
3432	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",
3433	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3730	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3434		3731
3435	signals [w->signum - 1].loop = EV_A;	3732	signals [w->signum - 1].loop = EV_A;
		3733	ECB_MEMORY_FENCE_RELEASE;
3436	#endif	3734	#endif
3437		3735
3438	EV_FREQUENT_CHECK;	3736	EV_FREQUENT_CHECK;
3439		3737
3440	#if EV_USE_SIGNALFD	3738	#if EV_USE_SIGNALFD
…		…
3500		3798
3501	EV_FREQUENT_CHECK;	3799	EV_FREQUENT_CHECK;
3502	}	3800	}
3503		3801
3504	void noinline	3802	void noinline
3505	ev_signal_stop (EV_P_ ev_signal *w)	3803	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3506	{	3804	{
3507	clear_pending (EV_A_ (W)w);	3805	clear_pending (EV_A_ (W)w);
3508	if (expect_false (!ev_is_active (w)))	3806	if (expect_false (!ev_is_active (w)))
3509	return;	3807	return;
3510		3808
…		…
3541	#endif	3839	#endif
3542		3840
3543	#if EV_CHILD_ENABLE	3841	#if EV_CHILD_ENABLE
3544		3842
3545	void	3843	void
3546	ev_child_start (EV_P_ ev_child *w)	3844	ev_child_start (EV_P_ ev_child *w) EV_THROW
3547	{	3845	{
3548	#if EV_MULTIPLICITY	3846	#if EV_MULTIPLICITY
3549	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));
3550	#endif	3848	#endif
3551	if (expect_false (ev_is_active (w)))	3849	if (expect_false (ev_is_active (w)))
…		…
3558		3856
3559	EV_FREQUENT_CHECK;	3857	EV_FREQUENT_CHECK;
3560	}	3858	}
3561		3859
3562	void	3860	void
3563	ev_child_stop (EV_P_ ev_child *w)	3861	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3564	{	3862	{
3565	clear_pending (EV_A_ (W)w);	3863	clear_pending (EV_A_ (W)w);
3566	if (expect_false (!ev_is_active (w)))	3864	if (expect_false (!ev_is_active (w)))
3567	return;	3865	return;
3568		3866
…		…
3735	}	4033	}
3736		4034
3737	inline_size int	4035	inline_size int
3738	infy_newfd (void)	4036	infy_newfd (void)
3739	{	4037	{
3740	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4038	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3741	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4039	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3742	if (fd >= 0)	4040	if (fd >= 0)
3743	return fd;	4041	return fd;
3744	#endif	4042	#endif
3745	return inotify_init ();	4043	return inotify_init ();
…		…
3820	#else	4118	#else
3821	# define EV_LSTAT(p,b) lstat (p, b)	4119	# define EV_LSTAT(p,b) lstat (p, b)
3822	#endif	4120	#endif
3823		4121
3824	void	4122	void
3825	ev_stat_stat (EV_P_ ev_stat *w)	4123	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3826	{	4124	{
3827	if (lstat (w->path, &w->attr) < 0)	4125	if (lstat (w->path, &w->attr) < 0)
3828	w->attr.st_nlink = 0;	4126	w->attr.st_nlink = 0;
3829	else if (!w->attr.st_nlink)	4127	else if (!w->attr.st_nlink)
3830	w->attr.st_nlink = 1;	4128	w->attr.st_nlink = 1;
…		…
3869	ev_feed_event (EV_A_ w, EV_STAT);	4167	ev_feed_event (EV_A_ w, EV_STAT);
3870	}	4168	}
3871	}	4169	}
3872		4170
3873	void	4171	void
3874	ev_stat_start (EV_P_ ev_stat *w)	4172	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3875	{	4173	{
3876	if (expect_false (ev_is_active (w)))	4174	if (expect_false (ev_is_active (w)))
3877	return;	4175	return;
3878		4176
3879	ev_stat_stat (EV_A_ w);	4177	ev_stat_stat (EV_A_ w);
…		…
3900		4198
3901	EV_FREQUENT_CHECK;	4199	EV_FREQUENT_CHECK;
3902	}	4200	}
3903		4201
3904	void	4202	void
3905	ev_stat_stop (EV_P_ ev_stat *w)	4203	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3906	{	4204	{
3907	clear_pending (EV_A_ (W)w);	4205	clear_pending (EV_A_ (W)w);
3908	if (expect_false (!ev_is_active (w)))	4206	if (expect_false (!ev_is_active (w)))
3909	return;	4207	return;
3910		4208
…		…
3926	}	4224	}
3927	#endif	4225	#endif
3928		4226
3929	#if EV_IDLE_ENABLE	4227	#if EV_IDLE_ENABLE
3930	void	4228	void
3931	ev_idle_start (EV_P_ ev_idle *w)	4229	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3932	{	4230	{
3933	if (expect_false (ev_is_active (w)))	4231	if (expect_false (ev_is_active (w)))
3934	return;	4232	return;
3935		4233
3936	pri_adjust (EV_A_ (W)w);	4234	pri_adjust (EV_A_ (W)w);
…		…
3949		4247
3950	EV_FREQUENT_CHECK;	4248	EV_FREQUENT_CHECK;
3951	}	4249	}
3952		4250
3953	void	4251	void
3954	ev_idle_stop (EV_P_ ev_idle *w)	4252	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3955	{	4253	{
3956	clear_pending (EV_A_ (W)w);	4254	clear_pending (EV_A_ (W)w);
3957	if (expect_false (!ev_is_active (w)))	4255	if (expect_false (!ev_is_active (w)))
3958	return;	4256	return;
3959		4257
…		…
3973	}	4271	}
3974	#endif	4272	#endif
3975		4273
3976	#if EV_PREPARE_ENABLE	4274	#if EV_PREPARE_ENABLE
3977	void	4275	void
3978	ev_prepare_start (EV_P_ ev_prepare *w)	4276	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3979	{	4277	{
3980	if (expect_false (ev_is_active (w)))	4278	if (expect_false (ev_is_active (w)))
3981	return;	4279	return;
3982		4280
3983	EV_FREQUENT_CHECK;	4281	EV_FREQUENT_CHECK;
…		…
3988		4286
3989	EV_FREQUENT_CHECK;	4287	EV_FREQUENT_CHECK;
3990	}	4288	}
3991		4289
3992	void	4290	void
3993	ev_prepare_stop (EV_P_ ev_prepare *w)	4291	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3994	{	4292	{
3995	clear_pending (EV_A_ (W)w);	4293	clear_pending (EV_A_ (W)w);
3996	if (expect_false (!ev_is_active (w)))	4294	if (expect_false (!ev_is_active (w)))
3997	return;	4295	return;
3998		4296
…		…
4011	}	4309	}
4012	#endif	4310	#endif
4013		4311
4014	#if EV_CHECK_ENABLE	4312	#if EV_CHECK_ENABLE
4015	void	4313	void
4016	ev_check_start (EV_P_ ev_check *w)	4314	ev_check_start (EV_P_ ev_check *w) EV_THROW
4017	{	4315	{
4018	if (expect_false (ev_is_active (w)))	4316	if (expect_false (ev_is_active (w)))
4019	return;	4317	return;
4020		4318
4021	EV_FREQUENT_CHECK;	4319	EV_FREQUENT_CHECK;
…		…
4026		4324
4027	EV_FREQUENT_CHECK;	4325	EV_FREQUENT_CHECK;
4028	}	4326	}
4029		4327
4030	void	4328	void
4031	ev_check_stop (EV_P_ ev_check *w)	4329	ev_check_stop (EV_P_ ev_check *w) EV_THROW
4032	{	4330	{
4033	clear_pending (EV_A_ (W)w);	4331	clear_pending (EV_A_ (W)w);
4034	if (expect_false (!ev_is_active (w)))	4332	if (expect_false (!ev_is_active (w)))
4035	return;	4333	return;
4036		4334
…		…
4049	}	4347	}
4050	#endif	4348	#endif
4051		4349
4052	#if EV_EMBED_ENABLE	4350	#if EV_EMBED_ENABLE
4053	void noinline	4351	void noinline
4054	ev_embed_sweep (EV_P_ ev_embed *w)	4352	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4055	{	4353	{
4056	ev_run (w->other, EVRUN_NOWAIT);	4354	ev_run (w->other, EVRUN_NOWAIT);
4057	}	4355	}
4058		4356
4059	static void	4357	static void
…		…
4107	ev_idle_stop (EV_A_ idle);	4405	ev_idle_stop (EV_A_ idle);
4108	}	4406	}
4109	#endif	4407	#endif
4110		4408
4111	void	4409	void
4112	ev_embed_start (EV_P_ ev_embed *w)	4410	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4113	{	4411	{
4114	if (expect_false (ev_is_active (w)))	4412	if (expect_false (ev_is_active (w)))
4115	return;	4413	return;
4116		4414
4117	{	4415	{
…		…
4138		4436
4139	EV_FREQUENT_CHECK;	4437	EV_FREQUENT_CHECK;
4140	}	4438	}
4141		4439
4142	void	4440	void
4143	ev_embed_stop (EV_P_ ev_embed *w)	4441	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4144	{	4442	{
4145	clear_pending (EV_A_ (W)w);	4443	clear_pending (EV_A_ (W)w);
4146	if (expect_false (!ev_is_active (w)))	4444	if (expect_false (!ev_is_active (w)))
4147	return;	4445	return;
4148		4446
…		…
4158	}	4456	}
4159	#endif	4457	#endif
4160		4458
4161	#if EV_FORK_ENABLE	4459	#if EV_FORK_ENABLE
4162	void	4460	void
4163	ev_fork_start (EV_P_ ev_fork *w)	4461	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4164	{	4462	{
4165	if (expect_false (ev_is_active (w)))	4463	if (expect_false (ev_is_active (w)))
4166	return;	4464	return;
4167		4465
4168	EV_FREQUENT_CHECK;	4466	EV_FREQUENT_CHECK;
…		…
4173		4471
4174	EV_FREQUENT_CHECK;	4472	EV_FREQUENT_CHECK;
4175	}	4473	}
4176		4474
4177	void	4475	void
4178	ev_fork_stop (EV_P_ ev_fork *w)	4476	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4179	{	4477	{
4180	clear_pending (EV_A_ (W)w);	4478	clear_pending (EV_A_ (W)w);
4181	if (expect_false (!ev_is_active (w)))	4479	if (expect_false (!ev_is_active (w)))
4182	return;	4480	return;
4183		4481
…		…
4196	}	4494	}
4197	#endif	4495	#endif
4198		4496
4199	#if EV_CLEANUP_ENABLE	4497	#if EV_CLEANUP_ENABLE
4200	void	4498	void
4201	ev_cleanup_start (EV_P_ ev_cleanup *w)	4499	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4202	{	4500	{
4203	if (expect_false (ev_is_active (w)))	4501	if (expect_false (ev_is_active (w)))
4204	return;	4502	return;
4205		4503
4206	EV_FREQUENT_CHECK;	4504	EV_FREQUENT_CHECK;
…		…
4213	ev_unref (EV_A);	4511	ev_unref (EV_A);
4214	EV_FREQUENT_CHECK;	4512	EV_FREQUENT_CHECK;
4215	}	4513	}
4216		4514
4217	void	4515	void
4218	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4516	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4219	{	4517	{
4220	clear_pending (EV_A_ (W)w);	4518	clear_pending (EV_A_ (W)w);
4221	if (expect_false (!ev_is_active (w)))	4519	if (expect_false (!ev_is_active (w)))
4222	return;	4520	return;
4223		4521
…		…
4237	}	4535	}
4238	#endif	4536	#endif
4239		4537
4240	#if EV_ASYNC_ENABLE	4538	#if EV_ASYNC_ENABLE
4241	void	4539	void
4242	ev_async_start (EV_P_ ev_async *w)	4540	ev_async_start (EV_P_ ev_async *w) EV_THROW
4243	{	4541	{
4244	if (expect_false (ev_is_active (w)))	4542	if (expect_false (ev_is_active (w)))
4245	return;	4543	return;
4246		4544
4247	w->sent = 0;	4545	w->sent = 0;
…		…
4256		4554
4257	EV_FREQUENT_CHECK;	4555	EV_FREQUENT_CHECK;
4258	}	4556	}
4259		4557
4260	void	4558	void
4261	ev_async_stop (EV_P_ ev_async *w)	4559	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4262	{	4560	{
4263	clear_pending (EV_A_ (W)w);	4561	clear_pending (EV_A_ (W)w);
4264	if (expect_false (!ev_is_active (w)))	4562	if (expect_false (!ev_is_active (w)))
4265	return;	4563	return;
4266		4564
…		…
4277		4575
4278	EV_FREQUENT_CHECK;	4576	EV_FREQUENT_CHECK;
4279	}	4577	}
4280		4578
4281	void	4579	void
4282	ev_async_send (EV_P_ ev_async *w)	4580	ev_async_send (EV_P_ ev_async *w) EV_THROW
4283	{	4581	{
4284	w->sent = 1;	4582	w->sent = 1;
4285	evpipe_write (EV_A_ &async_pending);	4583	evpipe_write (EV_A_ &async_pending);
4286	}	4584	}
4287	#endif	4585	#endif
…		…
4324		4622
4325	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));
4326	}	4624	}
4327		4625
4328	void	4626	void
4329	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
4330	{	4628	{
4331	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));
4332		4630
4333	if (expect_false (!once))	4631	if (expect_false (!once))
4334	{	4632	{
…		…
4356		4654
4357	/*****************************************************************************/	4655	/*****************************************************************************/
4358		4656
4359	#if EV_WALK_ENABLE	4657	#if EV_WALK_ENABLE
4360	void ecb_cold	4658	void ecb_cold
4361	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
4362	{	4660	{
4363	int i, j;	4661	int i, j;
4364	ev_watcher_list *wl, *wn;	4662	ev_watcher_list *wl, *wn;
4365		4663
4366	if (types & (EV_IO | EV_EMBED))	4664	if (types & (EV_IO | EV_EMBED))

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