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Comparing libev/ev.c (file contents):
Revision 1.395 by root, Wed Aug 24 16:08:17 2011 UTC vs.
Revision 1.449 by root, Sun Sep 23 21:21:58 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
…		…
183	# include EV_H	183	# include EV_H
184	#else	184	#else
185	# include "ev.h"	185	# include "ev.h"
186	#endif	186	#endif
187		187
188	EV_CPP(extern "C" {)	188	#if EV_NO_THREADS
		189	# undef EV_NO_SMP
		190	# define EV_NO_SMP 1
		191	# undef ECB_NO_THREADS
		192	# define ECB_NO_THREADS 1
		193	#endif
		194	#if EV_NO_SMP
		195	# undef EV_NO_SMP
		196	# define ECB_NO_SMP 1
		197	#endif
189		198
190	#ifndef _WIN32	199	#ifndef _WIN32
191	# include <sys/time.h>	200	# include <sys/time.h>
192	# include <sys/wait.h>	201	# include <sys/wait.h>
193	# include <unistd.h>	202	# include <unistd.h>
194	#else	203	#else
195	# include <io.h>	204	# include <io.h>
196	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
197	# include <windows.h>	207	# include <windows.h>
198	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
199	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
200	# endif	210	# endif
201	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
210	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
211		221
212	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
213		223
214	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
215	#if defined (EV_NSIG)	225	#if defined EV_NSIG
216	/* use what's provided */	226	/* use what's provided */
217	#elif defined (NSIG)	227	#elif defined NSIG
218	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
219	#elif defined(_NSIG)	229	#elif defined _NSIG
220	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
221	#elif defined (SIGMAX)	231	#elif defined SIGMAX
222	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
223	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
224	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
225	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
226	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
227	#elif defined (MAXSIG)	237	#elif defined MAXSIG
228	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
229	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
230	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
231	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
232	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
234	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235	#else	245	#else
236	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
237	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	261	# endif
252	#endif	262	#endif
253		263
254	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	267	# else
258	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
259	# endif	269	# endif
260	#endif	270	#endif
…		…
350	#endif	360	#endif
351		361
352	/* 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, */
353	/* which makes programs even slower. might work on other unices, too. */	363	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	364	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	365	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	366	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	367	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	368	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	369	# define EV_USE_MONOTONIC 1
360	# else	370	# else
…		…
386	# define EV_USE_INOTIFY 0	396	# define EV_USE_INOTIFY 0
387	#endif	397	#endif
388		398
389	#if !EV_USE_NANOSLEEP	399	#if !EV_USE_NANOSLEEP
390	/* 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 */
391	# if !defined(_WIN32) && !defined(__hpux)	401	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	402	# include <sys/select.h>
393	# endif	403	# endif
394	#endif	404	#endif
395		405
396	#if EV_USE_INOTIFY	406	#if EV_USE_INOTIFY
…		…
399	/* 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 */
400	# ifndef IN_DONT_FOLLOW	410	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	411	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	412	# define EV_USE_INOTIFY 0
403	# endif	413	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	414	#endif
409		415
410	#if EV_USE_EVENTFD	416	#if EV_USE_EVENTFD
411	/* 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 */
412	# include <stdint.h>	418	# include <stdint.h>
…		…
469	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	475	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ECB.H BEGIN */	476	/* ECB.H BEGIN */
471	/*	477	/*
472	* libecb - http://software.schmorp.de/pkg/libecb	478	* libecb - http://software.schmorp.de/pkg/libecb
473	*	479	*
474	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>	480	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
475	* Copyright (©) 2011 Emanuele Giaquinta	481	* Copyright (©) 2011 Emanuele Giaquinta
476	* All rights reserved.	482	* All rights reserved.
477	*	483	*
478	* Redistribution and use in source and binary forms, with or without modifica-	484	* Redistribution and use in source and binary forms, with or without modifica-
479	* tion, are permitted provided that the following conditions are met:	485	* tion, are permitted provided that the following conditions are met:
…		…
498	*/	504	*/
499		505
500	#ifndef ECB_H	506	#ifndef ECB_H
501	#define ECB_H	507	#define ECB_H
502		508
		509	/* 16 bits major, 16 bits minor */
		510	#define ECB_VERSION 0x00010001
		511
503	#ifdef _WIN32	512	#ifdef _WIN32
504	typedef signed char int8_t;	513	typedef signed char int8_t;
505	typedef unsigned char uint8_t;	514	typedef unsigned char uint8_t;
506	typedef signed short int16_t;	515	typedef signed short int16_t;
507	typedef unsigned short uint16_t;	516	typedef unsigned short uint16_t;
…		…
512	typedef unsigned long long uint64_t;	521	typedef unsigned long long uint64_t;
513	#else /* _MSC_VER || __BORLANDC__ */	522	#else /* _MSC_VER || __BORLANDC__ */
514	typedef signed __int64 int64_t;	523	typedef signed __int64 int64_t;
515	typedef unsigned __int64 uint64_t;	524	typedef unsigned __int64 uint64_t;
516	#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
		535	typedef intptr_t ptrdiff_t;
517	#else	536	#else
518	#include <inttypes.h>	537	#include <inttypes.h>
		538	#if UINTMAX_MAX > 0xffffffffU
		539	#define ECB_PTRSIZE 8
		540	#else
		541	#define ECB_PTRSIZE 4
		542	#endif
519	#endif	543	#endif
520		544
521	/* many compilers define _GNUC_ to some versions but then only implement	545	/* many compilers define _GNUC_ to some versions but then only implement
522	* what their idiot authors think are the "more important" extensions,	546	* what their idiot authors think are the "more important" extensions,
523	* causing enormous grief in return for some better fake benchmark numbers.	547	* causing enormous grief in return for some better fake benchmark numbers.
524	* or so.	548	* or so.
525	* we try to detect these and simply assume they are not gcc - if they have	549	* we try to detect these and simply assume they are not gcc - if they have
526	* an issue with that they should have done it right in the first place.	550	* an issue with that they should have done it right in the first place.
527	*/	551	*/
528	#ifndef ECB_GCC_VERSION	552	#ifndef ECB_GCC_VERSION
529	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	553	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
530	#define ECB_GCC_VERSION(major,minor) 0	554	#define ECB_GCC_VERSION(major,minor) 0
531	#else	555	#else
532	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	556	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533	#endif	557	#endif
534	#endif	558	#endif
535		559
		560	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		561	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		562	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		563	#define ECB_CPP (__cplusplus+0)
		564	#define ECB_CPP11 (__cplusplus >= 201103L)
		565
536	/*****************************************************************************/	566	/*****************************************************************************/
537		567
538	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	568	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
539	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	569	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540		570
541	#if ECB_NO_THREADS || ECB_NO_SMP	571	#if ECB_NO_THREADS
		572	#define ECB_NO_SMP 1
		573	#endif
		574
		575	#if ECB_NO_SMP
542	#define ECB_MEMORY_FENCE do { } while (0)	576	#define ECB_MEMORY_FENCE do { } while (0)
543	#endif	577	#endif
544		578
545	#ifndef ECB_MEMORY_FENCE	579	#ifndef ECB_MEMORY_FENCE
546	#if ECB_GCC_VERSION(2,5)	580	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
547	#if __i386__	581	#if __i386 || __i386__
548	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	582	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
549	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	583	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
550	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	584	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
551	#elif __amd64	585	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
552	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	586	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
553	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	587	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
554	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	588	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
555	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	589	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
556	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	590	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
557	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	591	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
558	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	592	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
559	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	593	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
560	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	594	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
561	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	595	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	596	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		597	#elif __sparc || __sparc__
		598	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		599	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		600	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		601	#elif defined __s390__ || defined __s390x__
		602	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		603	#elif defined __mips__
		604	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		605	#elif defined __alpha__
		606	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		607	#elif defined __hppa__
		608	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		610	#elif defined __ia64__
		611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
563	#endif	612	#endif
564	#endif	613	#endif
565	#endif	614	#endif
566		615
567	#ifndef ECB_MEMORY_FENCE	616	#ifndef ECB_MEMORY_FENCE
		617	#if ECB_GCC_VERSION(4,7)
		618	/* see comment below (stdatomic.h) about the C11 memory model. */
		619	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		620	#elif defined __clang && __has_feature (cxx_atomic)
		621	/* see comment below (stdatomic.h) about the C11 memory model. */
		622	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
568	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)	623	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
569	#define ECB_MEMORY_FENCE __sync_synchronize ()	624	#define ECB_MEMORY_FENCE __sync_synchronize ()
570	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
571	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
572	#elif _MSC_VER >= 1400 /* VC++ 2005 */	625	#elif _MSC_VER >= 1400 /* VC++ 2005 */
573	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	626	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
574	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	627	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
575	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	628	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
576	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	629	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
577	#elif defined(_WIN32)	630	#elif defined _WIN32
578	#include <WinNT.h>	631	#include <WinNT.h>
579	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	632	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		633	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		634	#include <mbarrier.h>
		635	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		636	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		637	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		638	#elif __xlC__
		639	#define ECB_MEMORY_FENCE __sync ()
		640	#endif
		641	#endif
		642
		643	#ifndef ECB_MEMORY_FENCE
		644	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		645	/* we assume that these memory fences work on all variables/all memory accesses, */
		646	/* not just C11 atomics and atomic accesses */
		647	#include <stdatomic.h>
		648	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		649	/* any fence other than seq_cst, which isn't very efficient for us. */
		650	/* Why that is, we don't know - either the C11 memory model is quite useless */
		651	/* for most usages, or gcc and clang have a bug */
		652	/* I *currently* lean towards the latter, and inefficiently implement */
		653	/* all three of ecb's fences as a seq_cst fence */
		654	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
580	#endif	655	#endif
581	#endif	656	#endif
582		657
583	#ifndef ECB_MEMORY_FENCE	658	#ifndef ECB_MEMORY_FENCE
584	#if !ECB_AVOID_PTHREADS	659	#if !ECB_AVOID_PTHREADS
…		…
596	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	671	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
597	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	672	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
598	#endif	673	#endif
599	#endif	674	#endif
600		675
601	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	676	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
602	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	677	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
603	#endif	678	#endif
604		679
605	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	680	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
606	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	681	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
607	#endif	682	#endif
608		683
609	/*****************************************************************************/	684	/*****************************************************************************/
610
611	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
612		685
613	#if __cplusplus	686	#if __cplusplus
614	#define ecb_inline static inline	687	#define ecb_inline static inline
615	#elif ECB_GCC_VERSION(2,5)	688	#elif ECB_GCC_VERSION(2,5)
616	#define ecb_inline static __inline__	689	#define ecb_inline static __inline__
…		…
655	#elif ECB_GCC_VERSION(3,0)	728	#elif ECB_GCC_VERSION(3,0)
656	#define ecb_decltype(x) __typeof(x)	729	#define ecb_decltype(x) __typeof(x)
657	#endif	730	#endif
658		731
659	#define ecb_noinline ecb_attribute ((__noinline__))	732	#define ecb_noinline ecb_attribute ((__noinline__))
660	#define ecb_noreturn ecb_attribute ((__noreturn__))
661	#define ecb_unused ecb_attribute ((__unused__))	733	#define ecb_unused ecb_attribute ((__unused__))
662	#define ecb_const ecb_attribute ((__const__))	734	#define ecb_const ecb_attribute ((__const__))
663	#define ecb_pure ecb_attribute ((__pure__))	735	#define ecb_pure ecb_attribute ((__pure__))
		736
		737	#if ECB_C11
		738	#define ecb_noreturn _Noreturn
		739	#else
		740	#define ecb_noreturn ecb_attribute ((__noreturn__))
		741	#endif
664		742
665	#if ECB_GCC_VERSION(4,3)	743	#if ECB_GCC_VERSION(4,3)
666	#define ecb_artificial ecb_attribute ((__artificial__))	744	#define ecb_artificial ecb_attribute ((__artificial__))
667	#define ecb_hot ecb_attribute ((__hot__))	745	#define ecb_hot ecb_attribute ((__hot__))
668	#define ecb_cold ecb_attribute ((__cold__))	746	#define ecb_cold ecb_attribute ((__cold__))
…		…
759		837
760	return r + ecb_ld32 (x);	838	return r + ecb_ld32 (x);
761	}	839	}
762	#endif	840	#endif
763		841
		842	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		843	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		844	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		845	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		846
		847	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		848	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		849	{
		850	return ( (x * 0x0802U & 0x22110U)
		851	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		852	}
		853
		854	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		855	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		856	{
		857	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		858	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		859	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		860	x = ( x >> 8 ) | ( x << 8);
		861
		862	return x;
		863	}
		864
		865	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		866	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		867	{
		868	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		869	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		870	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		871	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		872	x = ( x >> 16 ) | ( x << 16);
		873
		874	return x;
		875	}
		876
764	/* popcount64 is only available on 64 bit cpus as gcc builtin */	877	/* popcount64 is only available on 64 bit cpus as gcc builtin */
765	/* so for this version we are lazy */	878	/* so for this version we are lazy */
766	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	879	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
767	ecb_function_ int	880	ecb_function_ int
768	ecb_popcount64 (uint64_t x)	881	ecb_popcount64 (uint64_t x)
…		…
817		930
818	#if ECB_GCC_VERSION(4,5)	931	#if ECB_GCC_VERSION(4,5)
819	#define ecb_unreachable() __builtin_unreachable ()	932	#define ecb_unreachable() __builtin_unreachable ()
820	#else	933	#else
821	/* this seems to work fine, but gcc always emits a warning for it :/ */	934	/* this seems to work fine, but gcc always emits a warning for it :/ */
822	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	935	ecb_inline void ecb_unreachable (void) ecb_noreturn;
823	ecb_function_ void ecb_unreachable (void) { }	936	ecb_inline void ecb_unreachable (void) { }
824	#endif	937	#endif
825		938
826	/* try to tell the compiler that some condition is definitely true */	939	/* try to tell the compiler that some condition is definitely true */
827	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	940	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
828		941
829	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	942	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
830	ecb_function_ unsigned char	943	ecb_inline unsigned char
831	ecb_byteorder_helper (void)	944	ecb_byteorder_helper (void)
832	{	945	{
833	const uint32_t u = 0x11223344;	946	const uint32_t u = 0x11223344;
834	return *(unsigned char *)&u;	947	return *(unsigned char *)&u;
835	}	948	}
836		949
837	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	950	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
838	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	951	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
839	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	952	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
840	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	953	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
841		954
842	#if ECB_GCC_VERSION(3,0) || ECB_C99	955	#if ECB_GCC_VERSION(3,0) || ECB_C99
843	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	956	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
844	#else	957	#else
845	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	958	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		959	#endif
		960
		961	#if __cplusplus
		962	template<typename T>
		963	static inline T ecb_div_rd (T val, T div)
		964	{
		965	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		966	}
		967	template<typename T>
		968	static inline T ecb_div_ru (T val, T div)
		969	{
		970	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		971	}
		972	#else
		973	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		974	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
846	#endif	975	#endif
847		976
848	#if ecb_cplusplus_does_not_suck	977	#if ecb_cplusplus_does_not_suck
849	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */	978	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
850	template<typename T, int N>	979	template<typename T, int N>
…		…
859	#endif	988	#endif
860		989
861	/* ECB.H END */	990	/* ECB.H END */
862		991
863	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	992	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		993	/* if your architecture doesn't need memory fences, e.g. because it is
		994	* single-cpu/core, or if you use libev in a project that doesn't use libev
		995	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		996	* libev, in which cases the memory fences become nops.
		997	* alternatively, you can remove this #error and link against libpthread,
		998	* which will then provide the memory fences.
		999	*/
		1000	# error "memory fences not defined for your architecture, please report"
		1001	#endif
		1002
864	# undef ECB_MEMORY_FENCE	1003	#ifndef ECB_MEMORY_FENCE
865	# undef ECB_MEMORY_FENCE_ACQUIRE	1004	# define ECB_MEMORY_FENCE do { } while (0)
866	# undef ECB_MEMORY_FENCE_RELEASE	1005	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1006	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
867	#endif	1007	#endif
868		1008
869	#define expect_false(cond) ecb_expect_false (cond)	1009	#define expect_false(cond) ecb_expect_false (cond)
870	#define expect_true(cond) ecb_expect_true (cond)	1010	#define expect_true(cond) ecb_expect_true (cond)
871	#define noinline ecb_noinline	1011	#define noinline ecb_noinline
…		…
1018	{	1158	{
1019	write (STDERR_FILENO, msg, strlen (msg));	1159	write (STDERR_FILENO, msg, strlen (msg));
1020	}	1160	}
1021	#endif	1161	#endif
1022		1162
1023	static void (*syserr_cb)(const char *msg);	1163	static void (*syserr_cb)(const char *msg) EV_THROW;
1024		1164
1025	void ecb_cold	1165	void ecb_cold
1026	ev_set_syserr_cb (void (*cb)(const char *msg))	1166	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1027	{	1167	{
1028	syserr_cb = cb;	1168	syserr_cb = cb;
1029	}	1169	}
1030		1170
1031	static void noinline ecb_cold	1171	static void noinline ecb_cold
…		…
1049	abort ();	1189	abort ();
1050	}	1190	}
1051	}	1191	}
1052		1192
1053	static void *	1193	static void *
1054	ev_realloc_emul (void *ptr, long size)	1194	ev_realloc_emul (void *ptr, long size) EV_THROW
1055	{	1195	{
1056	#if __GLIBC__
1057	return realloc (ptr, size);
1058	#else
1059	/* some systems, notably openbsd and darwin, fail to properly	1196	/* some systems, notably openbsd and darwin, fail to properly
1060	* implement realloc (x, 0) (as required by both ansi c-89 and	1197	* implement realloc (x, 0) (as required by both ansi c-89 and
1061	* the single unix specification, so work around them here.	1198	* the single unix specification, so work around them here.
		1199	* recently, also (at least) fedora and debian started breaking it,
		1200	* despite documenting it otherwise.
1062	*/	1201	*/
1063		1202
1064	if (size)	1203	if (size)
1065	return realloc (ptr, size);	1204	return realloc (ptr, size);
1066		1205
1067	free (ptr);	1206	free (ptr);
1068	return 0;	1207	return 0;
1069	#endif
1070	}	1208	}
1071		1209
1072	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1210	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1073		1211
1074	void ecb_cold	1212	void ecb_cold
1075	ev_set_allocator (void *(*cb)(void *ptr, long size))	1213	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1076	{	1214	{
1077	alloc = cb;	1215	alloc = cb;
1078	}	1216	}
1079		1217
1080	inline_speed void *	1218	inline_speed void *
…		…
1168	#undef VAR	1306	#undef VAR
1169	};	1307	};
1170	#include "ev_wrap.h"	1308	#include "ev_wrap.h"
1171		1309
1172	static struct ev_loop default_loop_struct;	1310	static struct ev_loop default_loop_struct;
1173	struct ev_loop *ev_default_loop_ptr;	1311	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1174		1312
1175	#else	1313	#else
1176		1314
1177	ev_tstamp ev_rt_now;	1315	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1178	#define VAR(name,decl) static decl;	1316	#define VAR(name,decl) static decl;
1179	#include "ev_vars.h"	1317	#include "ev_vars.h"
1180	#undef VAR	1318	#undef VAR
1181		1319
1182	static int ev_default_loop_ptr;	1320	static int ev_default_loop_ptr;
…		…
1197		1335
1198	/*****************************************************************************/	1336	/*****************************************************************************/
1199		1337
1200	#ifndef EV_HAVE_EV_TIME	1338	#ifndef EV_HAVE_EV_TIME
1201	ev_tstamp	1339	ev_tstamp
1202	ev_time (void)	1340	ev_time (void) EV_THROW
1203	{	1341	{
1204	#if EV_USE_REALTIME	1342	#if EV_USE_REALTIME
1205	if (expect_true (have_realtime))	1343	if (expect_true (have_realtime))
1206	{	1344	{
1207	struct timespec ts;	1345	struct timespec ts;
…		…
1231	return ev_time ();	1369	return ev_time ();
1232	}	1370	}
1233		1371
1234	#if EV_MULTIPLICITY	1372	#if EV_MULTIPLICITY
1235	ev_tstamp	1373	ev_tstamp
1236	ev_now (EV_P)	1374	ev_now (EV_P) EV_THROW
1237	{	1375	{
1238	return ev_rt_now;	1376	return ev_rt_now;
1239	}	1377	}
1240	#endif	1378	#endif
1241		1379
1242	void	1380	void
1243	ev_sleep (ev_tstamp delay)	1381	ev_sleep (ev_tstamp delay) EV_THROW
1244	{	1382	{
1245	if (delay > 0.)	1383	if (delay > 0.)
1246	{	1384	{
1247	#if EV_USE_NANOSLEEP	1385	#if EV_USE_NANOSLEEP
1248	struct timespec ts;	1386	struct timespec ts;
1249		1387
1250	EV_TS_SET (ts, delay);	1388	EV_TS_SET (ts, delay);
1251	nanosleep (&ts, 0);	1389	nanosleep (&ts, 0);
1252	#elif defined(_WIN32)	1390	#elif defined _WIN32
1253	Sleep ((unsigned long)(delay * 1e3));	1391	Sleep ((unsigned long)(delay * 1e3));
1254	#else	1392	#else
1255	struct timeval tv;	1393	struct timeval tv;
1256		1394
1257	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1395	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1276		1414
1277	do	1415	do
1278	ncur <<= 1;	1416	ncur <<= 1;
1279	while (cnt > ncur);	1417	while (cnt > ncur);
1280		1418
1281	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1419	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1282	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1420	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1283	{	1421	{
1284	ncur *= elem;	1422	ncur *= elem;
1285	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1423	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1286	ncur = ncur - sizeof (void *) * 4;	1424	ncur = ncur - sizeof (void *) * 4;
…		…
1329	pendingcb (EV_P_ ev_prepare *w, int revents)	1467	pendingcb (EV_P_ ev_prepare *w, int revents)
1330	{	1468	{
1331	}	1469	}
1332		1470
1333	void noinline	1471	void noinline
1334	ev_feed_event (EV_P_ void *w, int revents)	1472	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1335	{	1473	{
1336	W w_ = (W)w;	1474	W w_ = (W)w;
1337	int pri = ABSPRI (w_);	1475	int pri = ABSPRI (w_);
1338		1476
1339	if (expect_false (w_->pending))	1477	if (expect_false (w_->pending))
…		…
1343	w_->pending = ++pendingcnt [pri];	1481	w_->pending = ++pendingcnt [pri];
1344	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1482	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1345	pendings [pri][w_->pending - 1].w = w_;	1483	pendings [pri][w_->pending - 1].w = w_;
1346	pendings [pri][w_->pending - 1].events = revents;	1484	pendings [pri][w_->pending - 1].events = revents;
1347	}	1485	}
		1486
		1487	pendingpri = NUMPRI - 1;
1348	}	1488	}
1349		1489
1350	inline_speed void	1490	inline_speed void
1351	feed_reverse (EV_P_ W w)	1491	feed_reverse (EV_P_ W w)
1352	{	1492	{
…		…
1398	if (expect_true (!anfd->reify))	1538	if (expect_true (!anfd->reify))
1399	fd_event_nocheck (EV_A_ fd, revents);	1539	fd_event_nocheck (EV_A_ fd, revents);
1400	}	1540	}
1401		1541
1402	void	1542	void
1403	ev_feed_fd_event (EV_P_ int fd, int revents)	1543	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1404	{	1544	{
1405	if (fd >= 0 && fd < anfdmax)	1545	if (fd >= 0 && fd < anfdmax)
1406	fd_event_nocheck (EV_A_ fd, revents);	1546	fd_event_nocheck (EV_A_ fd, revents);
1407	}	1547	}
1408		1548
…		…
1727	static void noinline ecb_cold	1867	static void noinline ecb_cold
1728	evpipe_init (EV_P)	1868	evpipe_init (EV_P)
1729	{	1869	{
1730	if (!ev_is_active (&pipe_w))	1870	if (!ev_is_active (&pipe_w))
1731	{	1871	{
		1872	int fds [2];
		1873
1732	# if EV_USE_EVENTFD	1874	# if EV_USE_EVENTFD
		1875	fds [0] = -1;
1733	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	1876	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1734	if (evfd < 0 && errno == EINVAL)	1877	if (fds [1] < 0 && errno == EINVAL)
1735	evfd = eventfd (0, 0);	1878	fds [1] = eventfd (0, 0);
1736		1879
1737	if (evfd >= 0)	1880	if (fds [1] < 0)
		1881	# endif
1738	{	1882	{
		1883	while (pipe (fds))
		1884	ev_syserr ("(libev) error creating signal/async pipe");
		1885
		1886	fd_intern (fds [0]);
		1887	}
		1888
		1889	fd_intern (fds [1]);
		1890
1739	evpipe [0] = -1;	1891	evpipe [0] = fds [0];
1740	fd_intern (evfd); /* doing it twice doesn't hurt */	1892
1741	ev_io_set (&pipe_w, evfd, EV_READ);	1893	if (evpipe [1] < 0)
		1894	evpipe [1] = fds [1]; /* first call, set write fd */
		1895	else
		1896	{
		1897	/* on subsequent calls, do not change evpipe [1] */
		1898	/* so that evpipe_write can always rely on its value. */
		1899	/* this branch does not do anything sensible on windows, */
		1900	/* so must not be executed on windows */
		1901
		1902	dup2 (fds [1], evpipe [1]);
		1903	close (fds [1]);
		1904	}
		1905
		1906	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		1907	ev_io_start (EV_A_ &pipe_w);
		1908	ev_unref (EV_A); /* watcher should not keep loop alive */
		1909	}
		1910	}
		1911
		1912	inline_speed void
		1913	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		1914	{
		1915	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		1916
		1917	if (expect_true (*flag))
		1918	return;
		1919
		1920	*flag = 1;
		1921	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		1922
		1923	pipe_write_skipped = 1;
		1924
		1925	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		1926
		1927	if (pipe_write_wanted)
		1928	{
		1929	int old_errno;
		1930
		1931	pipe_write_skipped = 0;
		1932	ECB_MEMORY_FENCE_RELEASE;
		1933
		1934	old_errno = errno; /* save errno because write will clobber it */
		1935
		1936	#if EV_USE_EVENTFD
		1937	if (evpipe [0] < 0)
		1938	{
		1939	uint64_t counter = 1;
		1940	write (evpipe [1], &counter, sizeof (uint64_t));
1742	}	1941	}
1743	else	1942	else
1744	# endif	1943	#endif
1745	{	1944	{
1746	while (pipe (evpipe))	1945	#ifdef _WIN32
1747	ev_syserr ("(libev) error creating signal/async pipe");	1946	WSABUF buf;
1748		1947	DWORD sent;
1749	fd_intern (evpipe [0]);	1948	buf.buf = &buf;
1750	fd_intern (evpipe [1]);	1949	buf.len = 1;
1751	ev_io_set (&pipe_w, evpipe [0], EV_READ);	1950	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1752	}	1951	#else
1753
1754	ev_io_start (EV_A_ &pipe_w);
1755	ev_unref (EV_A); /* watcher should not keep loop alive */
1756	}
1757	}
1758
1759	inline_speed void
1760	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1761	{
1762	if (expect_true (*flag))
1763	return;
1764
1765	*flag = 1;
1766
1767	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1768
1769	pipe_write_skipped = 1;
1770
1771	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1772
1773	if (pipe_write_wanted)
1774	{
1775	int old_errno;
1776
1777	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1778
1779	old_errno = errno; /* save errno because write will clobber it */
1780
1781	#if EV_USE_EVENTFD
1782	if (evfd >= 0)
1783	{
1784	uint64_t counter = 1;
1785	write (evfd, &counter, sizeof (uint64_t));
1786	}
1787	else
1788	#endif
1789	{
1790	/* win32 people keep sending patches that change this write() to send() */
1791	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1792	/* so when you think this write should be a send instead, please find out */
1793	/* where your send() is from - it's definitely not the microsoft send, and */
1794	/* tell me. thank you. */
1795	write (evpipe [1], &(evpipe [1]), 1);	1952	write (evpipe [1], &(evpipe [1]), 1);
		1953	#endif
1796	}	1954	}
1797		1955
1798	errno = old_errno;	1956	errno = old_errno;
1799	}	1957	}
1800	}	1958	}
…		…
1807	int i;	1965	int i;
1808		1966
1809	if (revents & EV_READ)	1967	if (revents & EV_READ)
1810	{	1968	{
1811	#if EV_USE_EVENTFD	1969	#if EV_USE_EVENTFD
1812	if (evfd >= 0)	1970	if (evpipe [0] < 0)
1813	{	1971	{
1814	uint64_t counter;	1972	uint64_t counter;
1815	read (evfd, &counter, sizeof (uint64_t));	1973	read (evpipe [1], &counter, sizeof (uint64_t));
1816	}	1974	}
1817	else	1975	else
1818	#endif	1976	#endif
1819	{	1977	{
1820	char dummy;	1978	char dummy[4];
1821	/* see discussion in evpipe_write when you think this read should be recv in win32 */	1979	#ifdef _WIN32
		1980	WSABUF buf;
		1981	DWORD recvd;
		1982	DWORD flags = 0;
		1983	buf.buf = dummy;
		1984	buf.len = sizeof (dummy);
		1985	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		1986	#else
1822	read (evpipe [0], &dummy, 1);	1987	read (evpipe [0], &dummy, sizeof (dummy));
		1988	#endif
1823	}	1989	}
1824	}	1990	}
1825		1991
1826	pipe_write_skipped = 0;	1992	pipe_write_skipped = 0;
		1993
		1994	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1827		1995
1828	#if EV_SIGNAL_ENABLE	1996	#if EV_SIGNAL_ENABLE
1829	if (sig_pending)	1997	if (sig_pending)
1830	{	1998	{
1831	sig_pending = 0;	1999	sig_pending = 0;
		2000
		2001	ECB_MEMORY_FENCE;
1832		2002
1833	for (i = EV_NSIG - 1; i--; )	2003	for (i = EV_NSIG - 1; i--; )
1834	if (expect_false (signals [i].pending))	2004	if (expect_false (signals [i].pending))
1835	ev_feed_signal_event (EV_A_ i + 1);	2005	ev_feed_signal_event (EV_A_ i + 1);
1836	}	2006	}
…		…
1838		2008
1839	#if EV_ASYNC_ENABLE	2009	#if EV_ASYNC_ENABLE
1840	if (async_pending)	2010	if (async_pending)
1841	{	2011	{
1842	async_pending = 0;	2012	async_pending = 0;
		2013
		2014	ECB_MEMORY_FENCE;
1843		2015
1844	for (i = asynccnt; i--; )	2016	for (i = asynccnt; i--; )
1845	if (asyncs [i]->sent)	2017	if (asyncs [i]->sent)
1846	{	2018	{
1847	asyncs [i]->sent = 0;	2019	asyncs [i]->sent = 0;
		2020	ECB_MEMORY_FENCE_RELEASE;
1848	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2021	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1849	}	2022	}
1850	}	2023	}
1851	#endif	2024	#endif
1852	}	2025	}
1853		2026
1854	/*****************************************************************************/	2027	/*****************************************************************************/
1855		2028
1856	void	2029	void
1857	ev_feed_signal (int signum)	2030	ev_feed_signal (int signum) EV_THROW
1858	{	2031	{
1859	#if EV_MULTIPLICITY	2032	#if EV_MULTIPLICITY
		2033	ECB_MEMORY_FENCE_ACQUIRE;
1860	EV_P = signals [signum - 1].loop;	2034	EV_P = signals [signum - 1].loop;
1861		2035
1862	if (!EV_A)	2036	if (!EV_A)
1863	return;	2037	return;
1864	#endif	2038	#endif
1865		2039
1866	if (!ev_active (&pipe_w))
1867	return;
1868
1869	signals [signum - 1].pending = 1;	2040	signals [signum - 1].pending = 1;
1870	evpipe_write (EV_A_ &sig_pending);	2041	evpipe_write (EV_A_ &sig_pending);
1871	}	2042	}
1872		2043
1873	static void	2044	static void
…		…
1879		2050
1880	ev_feed_signal (signum);	2051	ev_feed_signal (signum);
1881	}	2052	}
1882		2053
1883	void noinline	2054	void noinline
1884	ev_feed_signal_event (EV_P_ int signum)	2055	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1885	{	2056	{
1886	WL w;	2057	WL w;
1887		2058
1888	if (expect_false (signum <= 0 || signum > EV_NSIG))	2059	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1889	return;	2060	return;
1890		2061
1891	--signum;	2062	--signum;
1892		2063
1893	#if EV_MULTIPLICITY	2064	#if EV_MULTIPLICITY
…		…
1897	if (expect_false (signals [signum].loop != EV_A))	2068	if (expect_false (signals [signum].loop != EV_A))
1898	return;	2069	return;
1899	#endif	2070	#endif
1900		2071
1901	signals [signum].pending = 0;	2072	signals [signum].pending = 0;
		2073	ECB_MEMORY_FENCE_RELEASE;
1902		2074
1903	for (w = signals [signum].head; w; w = w->next)	2075	for (w = signals [signum].head; w; w = w->next)
1904	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2076	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1905	}	2077	}
1906		2078
…		…
2005	#if EV_USE_SELECT	2177	#if EV_USE_SELECT
2006	# include "ev_select.c"	2178	# include "ev_select.c"
2007	#endif	2179	#endif
2008		2180
2009	int ecb_cold	2181	int ecb_cold
2010	ev_version_major (void)	2182	ev_version_major (void) EV_THROW
2011	{	2183	{
2012	return EV_VERSION_MAJOR;	2184	return EV_VERSION_MAJOR;
2013	}	2185	}
2014		2186
2015	int ecb_cold	2187	int ecb_cold
2016	ev_version_minor (void)	2188	ev_version_minor (void) EV_THROW
2017	{	2189	{
2018	return EV_VERSION_MINOR;	2190	return EV_VERSION_MINOR;
2019	}	2191	}
2020		2192
2021	/* return true if we are running with elevated privileges and should ignore env variables */	2193	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2029	|| getgid () != getegid ();	2201	|| getgid () != getegid ();
2030	#endif	2202	#endif
2031	}	2203	}
2032		2204
2033	unsigned int ecb_cold	2205	unsigned int ecb_cold
2034	ev_supported_backends (void)	2206	ev_supported_backends (void) EV_THROW
2035	{	2207	{
2036	unsigned int flags = 0;	2208	unsigned int flags = 0;
2037		2209
2038	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2210	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2039	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2211	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2043		2215
2044	return flags;	2216	return flags;
2045	}	2217	}
2046		2218
2047	unsigned int ecb_cold	2219	unsigned int ecb_cold
2048	ev_recommended_backends (void)	2220	ev_recommended_backends (void) EV_THROW
2049	{	2221	{
2050	unsigned int flags = ev_supported_backends ();	2222	unsigned int flags = ev_supported_backends ();
2051		2223
2052	#ifndef __NetBSD__	2224	#ifndef __NetBSD__
2053	/* kqueue is borked on everything but netbsd apparently */	2225	/* kqueue is borked on everything but netbsd apparently */
…		…
2065		2237
2066	return flags;	2238	return flags;
2067	}	2239	}
2068		2240
2069	unsigned int ecb_cold	2241	unsigned int ecb_cold
2070	ev_embeddable_backends (void)	2242	ev_embeddable_backends (void) EV_THROW
2071	{	2243	{
2072	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2244	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2073		2245
2074	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2246	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2075	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2247	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2077		2249
2078	return flags;	2250	return flags;
2079	}	2251	}
2080		2252
2081	unsigned int	2253	unsigned int
2082	ev_backend (EV_P)	2254	ev_backend (EV_P) EV_THROW
2083	{	2255	{
2084	return backend;	2256	return backend;
2085	}	2257	}
2086		2258
2087	#if EV_FEATURE_API	2259	#if EV_FEATURE_API
2088	unsigned int	2260	unsigned int
2089	ev_iteration (EV_P)	2261	ev_iteration (EV_P) EV_THROW
2090	{	2262	{
2091	return loop_count;	2263	return loop_count;
2092	}	2264	}
2093		2265
2094	unsigned int	2266	unsigned int
2095	ev_depth (EV_P)	2267	ev_depth (EV_P) EV_THROW
2096	{	2268	{
2097	return loop_depth;	2269	return loop_depth;
2098	}	2270	}
2099		2271
2100	void	2272	void
2101	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2273	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2102	{	2274	{
2103	io_blocktime = interval;	2275	io_blocktime = interval;
2104	}	2276	}
2105		2277
2106	void	2278	void
2107	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2279	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2108	{	2280	{
2109	timeout_blocktime = interval;	2281	timeout_blocktime = interval;
2110	}	2282	}
2111		2283
2112	void	2284	void
2113	ev_set_userdata (EV_P_ void *data)	2285	ev_set_userdata (EV_P_ void *data) EV_THROW
2114	{	2286	{
2115	userdata = data;	2287	userdata = data;
2116	}	2288	}
2117		2289
2118	void *	2290	void *
2119	ev_userdata (EV_P)	2291	ev_userdata (EV_P) EV_THROW
2120	{	2292	{
2121	return userdata;	2293	return userdata;
2122	}	2294	}
2123		2295
2124	void	2296	void
2125	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2297	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2126	{	2298	{
2127	invoke_cb = invoke_pending_cb;	2299	invoke_cb = invoke_pending_cb;
2128	}	2300	}
2129		2301
2130	void	2302	void
2131	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2303	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2132	{	2304	{
2133	release_cb = release;	2305	release_cb = release;
2134	acquire_cb = acquire;	2306	acquire_cb = acquire;
2135	}	2307	}
2136	#endif	2308	#endif
2137		2309
2138	/* initialise a loop structure, must be zero-initialised */	2310	/* initialise a loop structure, must be zero-initialised */
2139	static void noinline ecb_cold	2311	static void noinline ecb_cold
2140	loop_init (EV_P_ unsigned int flags)	2312	loop_init (EV_P_ unsigned int flags) EV_THROW
2141	{	2313	{
2142	if (!backend)	2314	if (!backend)
2143	{	2315	{
2144	origflags = flags;	2316	origflags = flags;
2145		2317
…		…
2190	#if EV_ASYNC_ENABLE	2362	#if EV_ASYNC_ENABLE
2191	async_pending = 0;	2363	async_pending = 0;
2192	#endif	2364	#endif
2193	pipe_write_skipped = 0;	2365	pipe_write_skipped = 0;
2194	pipe_write_wanted = 0;	2366	pipe_write_wanted = 0;
		2367	evpipe [0] = -1;
		2368	evpipe [1] = -1;
2195	#if EV_USE_INOTIFY	2369	#if EV_USE_INOTIFY
2196	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2370	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2197	#endif	2371	#endif
2198	#if EV_USE_SIGNALFD	2372	#if EV_USE_SIGNALFD
2199	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2373	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2250	EV_INVOKE_PENDING;	2424	EV_INVOKE_PENDING;
2251	}	2425	}
2252	#endif	2426	#endif
2253		2427
2254	#if EV_CHILD_ENABLE	2428	#if EV_CHILD_ENABLE
2255	if (ev_is_active (&childev))	2429	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2256	{	2430	{
2257	ev_ref (EV_A); /* child watcher */	2431	ev_ref (EV_A); /* child watcher */
2258	ev_signal_stop (EV_A_ &childev);	2432	ev_signal_stop (EV_A_ &childev);
2259	}	2433	}
2260	#endif	2434	#endif
…		…
2262	if (ev_is_active (&pipe_w))	2436	if (ev_is_active (&pipe_w))
2263	{	2437	{
2264	/*ev_ref (EV_A);*/	2438	/*ev_ref (EV_A);*/
2265	/*ev_io_stop (EV_A_ &pipe_w);*/	2439	/*ev_io_stop (EV_A_ &pipe_w);*/
2266		2440
2267	#if EV_USE_EVENTFD
2268	if (evfd >= 0)
2269	close (evfd);
2270	#endif
2271
2272	if (evpipe [0] >= 0)
2273	{
2274	EV_WIN32_CLOSE_FD (evpipe [0]);	2441	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2275	EV_WIN32_CLOSE_FD (evpipe [1]);	2442	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2276	}
2277	}	2443	}
2278		2444
2279	#if EV_USE_SIGNALFD	2445	#if EV_USE_SIGNALFD
2280	if (ev_is_active (&sigfd_w))	2446	if (ev_is_active (&sigfd_w))
2281	close (sigfd);	2447	close (sigfd);
…		…
2367	#endif	2533	#endif
2368	#if EV_USE_INOTIFY	2534	#if EV_USE_INOTIFY
2369	infy_fork (EV_A);	2535	infy_fork (EV_A);
2370	#endif	2536	#endif
2371		2537
		2538	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2372	if (ev_is_active (&pipe_w))	2539	if (ev_is_active (&pipe_w))
2373	{	2540	{
2374	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2541	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2375		2542
2376	ev_ref (EV_A);	2543	ev_ref (EV_A);
2377	ev_io_stop (EV_A_ &pipe_w);	2544	ev_io_stop (EV_A_ &pipe_w);
2378		2545
2379	#if EV_USE_EVENTFD
2380	if (evfd >= 0)
2381	close (evfd);
2382	#endif
2383
2384	if (evpipe [0] >= 0)	2546	if (evpipe [0] >= 0)
2385	{
2386	EV_WIN32_CLOSE_FD (evpipe [0]);	2547	EV_WIN32_CLOSE_FD (evpipe [0]);
2387	EV_WIN32_CLOSE_FD (evpipe [1]);
2388	}
2389		2548
2390	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2391	evpipe_init (EV_A);	2549	evpipe_init (EV_A);
2392	/* now iterate over everything, in case we missed something */	2550	/* iterate over everything, in case we missed something before */
2393	pipecb (EV_A_ &pipe_w, EV_READ);	2551	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2394	#endif
2395	}	2552	}
		2553	#endif
2396		2554
2397	postfork = 0;	2555	postfork = 0;
2398	}	2556	}
2399		2557
2400	#if EV_MULTIPLICITY	2558	#if EV_MULTIPLICITY
2401		2559
2402	struct ev_loop * ecb_cold	2560	struct ev_loop * ecb_cold
2403	ev_loop_new (unsigned int flags)	2561	ev_loop_new (unsigned int flags) EV_THROW
2404	{	2562	{
2405	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2563	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2406		2564
2407	memset (EV_A, 0, sizeof (struct ev_loop));	2565	memset (EV_A, 0, sizeof (struct ev_loop));
2408	loop_init (EV_A_ flags);	2566	loop_init (EV_A_ flags);
…		…
2452	}	2610	}
2453	#endif	2611	#endif
2454		2612
2455	#if EV_FEATURE_API	2613	#if EV_FEATURE_API
2456	void ecb_cold	2614	void ecb_cold
2457	ev_verify (EV_P)	2615	ev_verify (EV_P) EV_THROW
2458	{	2616	{
2459	#if EV_VERIFY	2617	#if EV_VERIFY
2460	int i;	2618	int i;
2461	WL w;	2619	WL w, w2;
2462		2620
2463	assert (activecnt >= -1);	2621	assert (activecnt >= -1);
2464		2622
2465	assert (fdchangemax >= fdchangecnt);	2623	assert (fdchangemax >= fdchangecnt);
2466	for (i = 0; i < fdchangecnt; ++i)	2624	for (i = 0; i < fdchangecnt; ++i)
2467	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2625	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2468		2626
2469	assert (anfdmax >= 0);	2627	assert (anfdmax >= 0);
2470	for (i = 0; i < anfdmax; ++i)	2628	for (i = 0; i < anfdmax; ++i)
		2629	{
		2630	int j = 0;
		2631
2471	for (w = anfds [i].head; w; w = w->next)	2632	for (w = w2 = anfds [i].head; w; w = w->next)
2472	{	2633	{
2473	verify_watcher (EV_A_ (W)w);	2634	verify_watcher (EV_A_ (W)w);
		2635
		2636	if (j++ & 1)
		2637	{
		2638	assert (("libev: io watcher list contains a loop", w != w2));
		2639	w2 = w2->next;
		2640	}
		2641
2474	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2642	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2475	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2643	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2476	}	2644	}
		2645	}
2477		2646
2478	assert (timermax >= timercnt);	2647	assert (timermax >= timercnt);
2479	verify_heap (EV_A_ timers, timercnt);	2648	verify_heap (EV_A_ timers, timercnt);
2480		2649
2481	#if EV_PERIODIC_ENABLE	2650	#if EV_PERIODIC_ENABLE
…		…
2531	#if EV_MULTIPLICITY	2700	#if EV_MULTIPLICITY
2532	struct ev_loop * ecb_cold	2701	struct ev_loop * ecb_cold
2533	#else	2702	#else
2534	int	2703	int
2535	#endif	2704	#endif
2536	ev_default_loop (unsigned int flags)	2705	ev_default_loop (unsigned int flags) EV_THROW
2537	{	2706	{
2538	if (!ev_default_loop_ptr)	2707	if (!ev_default_loop_ptr)
2539	{	2708	{
2540	#if EV_MULTIPLICITY	2709	#if EV_MULTIPLICITY
2541	EV_P = ev_default_loop_ptr = &default_loop_struct;	2710	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2560		2729
2561	return ev_default_loop_ptr;	2730	return ev_default_loop_ptr;
2562	}	2731	}
2563		2732
2564	void	2733	void
2565	ev_loop_fork (EV_P)	2734	ev_loop_fork (EV_P) EV_THROW
2566	{	2735	{
2567	postfork = 1; /* must be in line with ev_default_fork */	2736	postfork = 1;
2568	}	2737	}
2569		2738
2570	/*****************************************************************************/	2739	/*****************************************************************************/
2571		2740
2572	void	2741	void
…		…
2574	{	2743	{
2575	EV_CB_INVOKE ((W)w, revents);	2744	EV_CB_INVOKE ((W)w, revents);
2576	}	2745	}
2577		2746
2578	unsigned int	2747	unsigned int
2579	ev_pending_count (EV_P)	2748	ev_pending_count (EV_P) EV_THROW
2580	{	2749	{
2581	int pri;	2750	int pri;
2582	unsigned int count = 0;	2751	unsigned int count = 0;
2583		2752
2584	for (pri = NUMPRI; pri--; )	2753	for (pri = NUMPRI; pri--; )
…		…
2588	}	2757	}
2589		2758
2590	void noinline	2759	void noinline
2591	ev_invoke_pending (EV_P)	2760	ev_invoke_pending (EV_P)
2592	{	2761	{
2593	int pri;	2762	pendingpri = NUMPRI;
2594		2763
2595	for (pri = NUMPRI; pri--; )	2764	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2765	{
		2766	--pendingpri;
		2767
2596	while (pendingcnt [pri])	2768	while (pendingcnt [pendingpri])
2597	{	2769	{
2598	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2770	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2599		2771
2600	p->w->pending = 0;	2772	p->w->pending = 0;
2601	EV_CB_INVOKE (p->w, p->events);	2773	EV_CB_INVOKE (p->w, p->events);
2602	EV_FREQUENT_CHECK;	2774	EV_FREQUENT_CHECK;
2603	}	2775	}
		2776	}
2604	}	2777	}
2605		2778
2606	#if EV_IDLE_ENABLE	2779	#if EV_IDLE_ENABLE
2607	/* make idle watchers pending. this handles the "call-idle */	2780	/* make idle watchers pending. this handles the "call-idle */
2608	/* only when higher priorities are idle" logic */	2781	/* only when higher priorities are idle" logic */
…		…
2698	{	2871	{
2699	EV_FREQUENT_CHECK;	2872	EV_FREQUENT_CHECK;
2700		2873
2701	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	2874	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2702	{	2875	{
2703	int feed_count = 0;
2704
2705	do	2876	do
2706	{	2877	{
2707	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	2878	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2708		2879
2709	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	2880	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2843		3014
2844	mn_now = ev_rt_now;	3015	mn_now = ev_rt_now;
2845	}	3016	}
2846	}	3017	}
2847		3018
2848	void	3019	int
2849	ev_run (EV_P_ int flags)	3020	ev_run (EV_P_ int flags)
2850	{	3021	{
2851	#if EV_FEATURE_API	3022	#if EV_FEATURE_API
2852	++loop_depth;	3023	++loop_depth;
2853	#endif	3024	#endif
…		…
2966	#endif	3137	#endif
2967	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3138	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2968	backend_poll (EV_A_ waittime);	3139	backend_poll (EV_A_ waittime);
2969	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3140	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2970		3141
2971	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3142	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2972		3143
		3144	ECB_MEMORY_FENCE_ACQUIRE;
2973	if (pipe_write_skipped)	3145	if (pipe_write_skipped)
2974	{	3146	{
2975	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3147	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2976	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3148	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2977	}	3149	}
…		…
3010	loop_done = EVBREAK_CANCEL;	3182	loop_done = EVBREAK_CANCEL;
3011		3183
3012	#if EV_FEATURE_API	3184	#if EV_FEATURE_API
3013	--loop_depth;	3185	--loop_depth;
3014	#endif	3186	#endif
		3187
		3188	return activecnt;
3015	}	3189	}
3016		3190
3017	void	3191	void
3018	ev_break (EV_P_ int how)	3192	ev_break (EV_P_ int how) EV_THROW
3019	{	3193	{
3020	loop_done = how;	3194	loop_done = how;
3021	}	3195	}
3022		3196
3023	void	3197	void
3024	ev_ref (EV_P)	3198	ev_ref (EV_P) EV_THROW
3025	{	3199	{
3026	++activecnt;	3200	++activecnt;
3027	}	3201	}
3028		3202
3029	void	3203	void
3030	ev_unref (EV_P)	3204	ev_unref (EV_P) EV_THROW
3031	{	3205	{
3032	--activecnt;	3206	--activecnt;
3033	}	3207	}
3034		3208
3035	void	3209	void
3036	ev_now_update (EV_P)	3210	ev_now_update (EV_P) EV_THROW
3037	{	3211	{
3038	time_update (EV_A_ 1e100);	3212	time_update (EV_A_ 1e100);
3039	}	3213	}
3040		3214
3041	void	3215	void
3042	ev_suspend (EV_P)	3216	ev_suspend (EV_P) EV_THROW
3043	{	3217	{
3044	ev_now_update (EV_A);	3218	ev_now_update (EV_A);
3045	}	3219	}
3046		3220
3047	void	3221	void
3048	ev_resume (EV_P)	3222	ev_resume (EV_P) EV_THROW
3049	{	3223	{
3050	ev_tstamp mn_prev = mn_now;	3224	ev_tstamp mn_prev = mn_now;
3051		3225
3052	ev_now_update (EV_A);	3226	ev_now_update (EV_A);
3053	timers_reschedule (EV_A_ mn_now - mn_prev);	3227	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3092	w->pending = 0;	3266	w->pending = 0;
3093	}	3267	}
3094	}	3268	}
3095		3269
3096	int	3270	int
3097	ev_clear_pending (EV_P_ void *w)	3271	ev_clear_pending (EV_P_ void *w) EV_THROW
3098	{	3272	{
3099	W w_ = (W)w;	3273	W w_ = (W)w;
3100	int pending = w_->pending;	3274	int pending = w_->pending;
3101		3275
3102	if (expect_true (pending))	3276	if (expect_true (pending))
…		…
3135	}	3309	}
3136		3310
3137	/*****************************************************************************/	3311	/*****************************************************************************/
3138		3312
3139	void noinline	3313	void noinline
3140	ev_io_start (EV_P_ ev_io *w)	3314	ev_io_start (EV_P_ ev_io *w) EV_THROW
3141	{	3315	{
3142	int fd = w->fd;	3316	int fd = w->fd;
3143		3317
3144	if (expect_false (ev_is_active (w)))	3318	if (expect_false (ev_is_active (w)))
3145	return;	3319	return;
…		…
3151		3325
3152	ev_start (EV_A_ (W)w, 1);	3326	ev_start (EV_A_ (W)w, 1);
3153	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3327	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3154	wlist_add (&anfds[fd].head, (WL)w);	3328	wlist_add (&anfds[fd].head, (WL)w);
3155		3329
		3330	/* common bug, apparently */
		3331	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3332
3156	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3333	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3157	w->events &= ~EV__IOFDSET;	3334	w->events &= ~EV__IOFDSET;
3158		3335
3159	EV_FREQUENT_CHECK;	3336	EV_FREQUENT_CHECK;
3160	}	3337	}
3161		3338
3162	void noinline	3339	void noinline
3163	ev_io_stop (EV_P_ ev_io *w)	3340	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3164	{	3341	{
3165	clear_pending (EV_A_ (W)w);	3342	clear_pending (EV_A_ (W)w);
3166	if (expect_false (!ev_is_active (w)))	3343	if (expect_false (!ev_is_active (w)))
3167	return;	3344	return;
3168		3345
…		…
3177		3354
3178	EV_FREQUENT_CHECK;	3355	EV_FREQUENT_CHECK;
3179	}	3356	}
3180		3357
3181	void noinline	3358	void noinline
3182	ev_timer_start (EV_P_ ev_timer *w)	3359	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3183	{	3360	{
3184	if (expect_false (ev_is_active (w)))	3361	if (expect_false (ev_is_active (w)))
3185	return;	3362	return;
3186		3363
3187	ev_at (w) += mn_now;	3364	ev_at (w) += mn_now;
…		…
3201		3378
3202	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3379	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3203	}	3380	}
3204		3381
3205	void noinline	3382	void noinline
3206	ev_timer_stop (EV_P_ ev_timer *w)	3383	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3207	{	3384	{
3208	clear_pending (EV_A_ (W)w);	3385	clear_pending (EV_A_ (W)w);
3209	if (expect_false (!ev_is_active (w)))	3386	if (expect_false (!ev_is_active (w)))
3210	return;	3387	return;
3211		3388
…		…
3231		3408
3232	EV_FREQUENT_CHECK;	3409	EV_FREQUENT_CHECK;
3233	}	3410	}
3234		3411
3235	void noinline	3412	void noinline
3236	ev_timer_again (EV_P_ ev_timer *w)	3413	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3237	{	3414	{
3238	EV_FREQUENT_CHECK;	3415	EV_FREQUENT_CHECK;
		3416
		3417	clear_pending (EV_A_ (W)w);
3239		3418
3240	if (ev_is_active (w))	3419	if (ev_is_active (w))
3241	{	3420	{
3242	if (w->repeat)	3421	if (w->repeat)
3243	{	3422	{
…		…
3256		3435
3257	EV_FREQUENT_CHECK;	3436	EV_FREQUENT_CHECK;
3258	}	3437	}
3259		3438
3260	ev_tstamp	3439	ev_tstamp
3261	ev_timer_remaining (EV_P_ ev_timer *w)	3440	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3262	{	3441	{
3263	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3442	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3264	}	3443	}
3265		3444
3266	#if EV_PERIODIC_ENABLE	3445	#if EV_PERIODIC_ENABLE
3267	void noinline	3446	void noinline
3268	ev_periodic_start (EV_P_ ev_periodic *w)	3447	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3269	{	3448	{
3270	if (expect_false (ev_is_active (w)))	3449	if (expect_false (ev_is_active (w)))
3271	return;	3450	return;
3272		3451
3273	if (w->reschedule_cb)	3452	if (w->reschedule_cb)
…		…
3293		3472
3294	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3473	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3295	}	3474	}
3296		3475
3297	void noinline	3476	void noinline
3298	ev_periodic_stop (EV_P_ ev_periodic *w)	3477	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3299	{	3478	{
3300	clear_pending (EV_A_ (W)w);	3479	clear_pending (EV_A_ (W)w);
3301	if (expect_false (!ev_is_active (w)))	3480	if (expect_false (!ev_is_active (w)))
3302	return;	3481	return;
3303		3482
…		…
3321		3500
3322	EV_FREQUENT_CHECK;	3501	EV_FREQUENT_CHECK;
3323	}	3502	}
3324		3503
3325	void noinline	3504	void noinline
3326	ev_periodic_again (EV_P_ ev_periodic *w)	3505	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3327	{	3506	{
3328	/* TODO: use adjustheap and recalculation */	3507	/* TODO: use adjustheap and recalculation */
3329	ev_periodic_stop (EV_A_ w);	3508	ev_periodic_stop (EV_A_ w);
3330	ev_periodic_start (EV_A_ w);	3509	ev_periodic_start (EV_A_ w);
3331	}	3510	}
…		…
3336	#endif	3515	#endif
3337		3516
3338	#if EV_SIGNAL_ENABLE	3517	#if EV_SIGNAL_ENABLE
3339		3518
3340	void noinline	3519	void noinline
3341	ev_signal_start (EV_P_ ev_signal *w)	3520	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3342	{	3521	{
3343	if (expect_false (ev_is_active (w)))	3522	if (expect_false (ev_is_active (w)))
3344	return;	3523	return;
3345		3524
3346	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3525	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3348	#if EV_MULTIPLICITY	3527	#if EV_MULTIPLICITY
3349	assert (("libev: a signal must not be attached to two different loops",	3528	assert (("libev: a signal must not be attached to two different loops",
3350	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3529	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3351		3530
3352	signals [w->signum - 1].loop = EV_A;	3531	signals [w->signum - 1].loop = EV_A;
		3532	ECB_MEMORY_FENCE_RELEASE;
3353	#endif	3533	#endif
3354		3534
3355	EV_FREQUENT_CHECK;	3535	EV_FREQUENT_CHECK;
3356		3536
3357	#if EV_USE_SIGNALFD	3537	#if EV_USE_SIGNALFD
…		…
3417		3597
3418	EV_FREQUENT_CHECK;	3598	EV_FREQUENT_CHECK;
3419	}	3599	}
3420		3600
3421	void noinline	3601	void noinline
3422	ev_signal_stop (EV_P_ ev_signal *w)	3602	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3423	{	3603	{
3424	clear_pending (EV_A_ (W)w);	3604	clear_pending (EV_A_ (W)w);
3425	if (expect_false (!ev_is_active (w)))	3605	if (expect_false (!ev_is_active (w)))
3426	return;	3606	return;
3427		3607
…		…
3458	#endif	3638	#endif
3459		3639
3460	#if EV_CHILD_ENABLE	3640	#if EV_CHILD_ENABLE
3461		3641
3462	void	3642	void
3463	ev_child_start (EV_P_ ev_child *w)	3643	ev_child_start (EV_P_ ev_child *w) EV_THROW
3464	{	3644	{
3465	#if EV_MULTIPLICITY	3645	#if EV_MULTIPLICITY
3466	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3646	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3467	#endif	3647	#endif
3468	if (expect_false (ev_is_active (w)))	3648	if (expect_false (ev_is_active (w)))
…		…
3475		3655
3476	EV_FREQUENT_CHECK;	3656	EV_FREQUENT_CHECK;
3477	}	3657	}
3478		3658
3479	void	3659	void
3480	ev_child_stop (EV_P_ ev_child *w)	3660	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3481	{	3661	{
3482	clear_pending (EV_A_ (W)w);	3662	clear_pending (EV_A_ (W)w);
3483	if (expect_false (!ev_is_active (w)))	3663	if (expect_false (!ev_is_active (w)))
3484	return;	3664	return;
3485		3665
…		…
3652	}	3832	}
3653		3833
3654	inline_size int	3834	inline_size int
3655	infy_newfd (void)	3835	infy_newfd (void)
3656	{	3836	{
3657	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	3837	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3658	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	3838	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3659	if (fd >= 0)	3839	if (fd >= 0)
3660	return fd;	3840	return fd;
3661	#endif	3841	#endif
3662	return inotify_init ();	3842	return inotify_init ();
…		…
3737	#else	3917	#else
3738	# define EV_LSTAT(p,b) lstat (p, b)	3918	# define EV_LSTAT(p,b) lstat (p, b)
3739	#endif	3919	#endif
3740		3920
3741	void	3921	void
3742	ev_stat_stat (EV_P_ ev_stat *w)	3922	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3743	{	3923	{
3744	if (lstat (w->path, &w->attr) < 0)	3924	if (lstat (w->path, &w->attr) < 0)
3745	w->attr.st_nlink = 0;	3925	w->attr.st_nlink = 0;
3746	else if (!w->attr.st_nlink)	3926	else if (!w->attr.st_nlink)
3747	w->attr.st_nlink = 1;	3927	w->attr.st_nlink = 1;
…		…
3786	ev_feed_event (EV_A_ w, EV_STAT);	3966	ev_feed_event (EV_A_ w, EV_STAT);
3787	}	3967	}
3788	}	3968	}
3789		3969
3790	void	3970	void
3791	ev_stat_start (EV_P_ ev_stat *w)	3971	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3792	{	3972	{
3793	if (expect_false (ev_is_active (w)))	3973	if (expect_false (ev_is_active (w)))
3794	return;	3974	return;
3795		3975
3796	ev_stat_stat (EV_A_ w);	3976	ev_stat_stat (EV_A_ w);
…		…
3817		3997
3818	EV_FREQUENT_CHECK;	3998	EV_FREQUENT_CHECK;
3819	}	3999	}
3820		4000
3821	void	4001	void
3822	ev_stat_stop (EV_P_ ev_stat *w)	4002	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3823	{	4003	{
3824	clear_pending (EV_A_ (W)w);	4004	clear_pending (EV_A_ (W)w);
3825	if (expect_false (!ev_is_active (w)))	4005	if (expect_false (!ev_is_active (w)))
3826	return;	4006	return;
3827		4007
…		…
3843	}	4023	}
3844	#endif	4024	#endif
3845		4025
3846	#if EV_IDLE_ENABLE	4026	#if EV_IDLE_ENABLE
3847	void	4027	void
3848	ev_idle_start (EV_P_ ev_idle *w)	4028	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3849	{	4029	{
3850	if (expect_false (ev_is_active (w)))	4030	if (expect_false (ev_is_active (w)))
3851	return;	4031	return;
3852		4032
3853	pri_adjust (EV_A_ (W)w);	4033	pri_adjust (EV_A_ (W)w);
…		…
3866		4046
3867	EV_FREQUENT_CHECK;	4047	EV_FREQUENT_CHECK;
3868	}	4048	}
3869		4049
3870	void	4050	void
3871	ev_idle_stop (EV_P_ ev_idle *w)	4051	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3872	{	4052	{
3873	clear_pending (EV_A_ (W)w);	4053	clear_pending (EV_A_ (W)w);
3874	if (expect_false (!ev_is_active (w)))	4054	if (expect_false (!ev_is_active (w)))
3875	return;	4055	return;
3876		4056
…		…
3890	}	4070	}
3891	#endif	4071	#endif
3892		4072
3893	#if EV_PREPARE_ENABLE	4073	#if EV_PREPARE_ENABLE
3894	void	4074	void
3895	ev_prepare_start (EV_P_ ev_prepare *w)	4075	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3896	{	4076	{
3897	if (expect_false (ev_is_active (w)))	4077	if (expect_false (ev_is_active (w)))
3898	return;	4078	return;
3899		4079
3900	EV_FREQUENT_CHECK;	4080	EV_FREQUENT_CHECK;
…		…
3905		4085
3906	EV_FREQUENT_CHECK;	4086	EV_FREQUENT_CHECK;
3907	}	4087	}
3908		4088
3909	void	4089	void
3910	ev_prepare_stop (EV_P_ ev_prepare *w)	4090	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3911	{	4091	{
3912	clear_pending (EV_A_ (W)w);	4092	clear_pending (EV_A_ (W)w);
3913	if (expect_false (!ev_is_active (w)))	4093	if (expect_false (!ev_is_active (w)))
3914	return;	4094	return;
3915		4095
…		…
3928	}	4108	}
3929	#endif	4109	#endif
3930		4110
3931	#if EV_CHECK_ENABLE	4111	#if EV_CHECK_ENABLE
3932	void	4112	void
3933	ev_check_start (EV_P_ ev_check *w)	4113	ev_check_start (EV_P_ ev_check *w) EV_THROW
3934	{	4114	{
3935	if (expect_false (ev_is_active (w)))	4115	if (expect_false (ev_is_active (w)))
3936	return;	4116	return;
3937		4117
3938	EV_FREQUENT_CHECK;	4118	EV_FREQUENT_CHECK;
…		…
3943		4123
3944	EV_FREQUENT_CHECK;	4124	EV_FREQUENT_CHECK;
3945	}	4125	}
3946		4126
3947	void	4127	void
3948	ev_check_stop (EV_P_ ev_check *w)	4128	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3949	{	4129	{
3950	clear_pending (EV_A_ (W)w);	4130	clear_pending (EV_A_ (W)w);
3951	if (expect_false (!ev_is_active (w)))	4131	if (expect_false (!ev_is_active (w)))
3952	return;	4132	return;
3953		4133
…		…
3966	}	4146	}
3967	#endif	4147	#endif
3968		4148
3969	#if EV_EMBED_ENABLE	4149	#if EV_EMBED_ENABLE
3970	void noinline	4150	void noinline
3971	ev_embed_sweep (EV_P_ ev_embed *w)	4151	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3972	{	4152	{
3973	ev_run (w->other, EVRUN_NOWAIT);	4153	ev_run (w->other, EVRUN_NOWAIT);
3974	}	4154	}
3975		4155
3976	static void	4156	static void
…		…
4024	ev_idle_stop (EV_A_ idle);	4204	ev_idle_stop (EV_A_ idle);
4025	}	4205	}
4026	#endif	4206	#endif
4027		4207
4028	void	4208	void
4029	ev_embed_start (EV_P_ ev_embed *w)	4209	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4030	{	4210	{
4031	if (expect_false (ev_is_active (w)))	4211	if (expect_false (ev_is_active (w)))
4032	return;	4212	return;
4033		4213
4034	{	4214	{
…		…
4055		4235
4056	EV_FREQUENT_CHECK;	4236	EV_FREQUENT_CHECK;
4057	}	4237	}
4058		4238
4059	void	4239	void
4060	ev_embed_stop (EV_P_ ev_embed *w)	4240	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4061	{	4241	{
4062	clear_pending (EV_A_ (W)w);	4242	clear_pending (EV_A_ (W)w);
4063	if (expect_false (!ev_is_active (w)))	4243	if (expect_false (!ev_is_active (w)))
4064	return;	4244	return;
4065		4245
…		…
4075	}	4255	}
4076	#endif	4256	#endif
4077		4257
4078	#if EV_FORK_ENABLE	4258	#if EV_FORK_ENABLE
4079	void	4259	void
4080	ev_fork_start (EV_P_ ev_fork *w)	4260	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4081	{	4261	{
4082	if (expect_false (ev_is_active (w)))	4262	if (expect_false (ev_is_active (w)))
4083	return;	4263	return;
4084		4264
4085	EV_FREQUENT_CHECK;	4265	EV_FREQUENT_CHECK;
…		…
4090		4270
4091	EV_FREQUENT_CHECK;	4271	EV_FREQUENT_CHECK;
4092	}	4272	}
4093		4273
4094	void	4274	void
4095	ev_fork_stop (EV_P_ ev_fork *w)	4275	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4096	{	4276	{
4097	clear_pending (EV_A_ (W)w);	4277	clear_pending (EV_A_ (W)w);
4098	if (expect_false (!ev_is_active (w)))	4278	if (expect_false (!ev_is_active (w)))
4099	return;	4279	return;
4100		4280
…		…
4113	}	4293	}
4114	#endif	4294	#endif
4115		4295
4116	#if EV_CLEANUP_ENABLE	4296	#if EV_CLEANUP_ENABLE
4117	void	4297	void
4118	ev_cleanup_start (EV_P_ ev_cleanup *w)	4298	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4119	{	4299	{
4120	if (expect_false (ev_is_active (w)))	4300	if (expect_false (ev_is_active (w)))
4121	return;	4301	return;
4122		4302
4123	EV_FREQUENT_CHECK;	4303	EV_FREQUENT_CHECK;
…		…
4130	ev_unref (EV_A);	4310	ev_unref (EV_A);
4131	EV_FREQUENT_CHECK;	4311	EV_FREQUENT_CHECK;
4132	}	4312	}
4133		4313
4134	void	4314	void
4135	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4315	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4136	{	4316	{
4137	clear_pending (EV_A_ (W)w);	4317	clear_pending (EV_A_ (W)w);
4138	if (expect_false (!ev_is_active (w)))	4318	if (expect_false (!ev_is_active (w)))
4139	return;	4319	return;
4140		4320
…		…
4154	}	4334	}
4155	#endif	4335	#endif
4156		4336
4157	#if EV_ASYNC_ENABLE	4337	#if EV_ASYNC_ENABLE
4158	void	4338	void
4159	ev_async_start (EV_P_ ev_async *w)	4339	ev_async_start (EV_P_ ev_async *w) EV_THROW
4160	{	4340	{
4161	if (expect_false (ev_is_active (w)))	4341	if (expect_false (ev_is_active (w)))
4162	return;	4342	return;
4163		4343
4164	w->sent = 0;	4344	w->sent = 0;
…		…
4173		4353
4174	EV_FREQUENT_CHECK;	4354	EV_FREQUENT_CHECK;
4175	}	4355	}
4176		4356
4177	void	4357	void
4178	ev_async_stop (EV_P_ ev_async *w)	4358	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4179	{	4359	{
4180	clear_pending (EV_A_ (W)w);	4360	clear_pending (EV_A_ (W)w);
4181	if (expect_false (!ev_is_active (w)))	4361	if (expect_false (!ev_is_active (w)))
4182	return;	4362	return;
4183		4363
…		…
4194		4374
4195	EV_FREQUENT_CHECK;	4375	EV_FREQUENT_CHECK;
4196	}	4376	}
4197		4377
4198	void	4378	void
4199	ev_async_send (EV_P_ ev_async *w)	4379	ev_async_send (EV_P_ ev_async *w) EV_THROW
4200	{	4380	{
4201	w->sent = 1;	4381	w->sent = 1;
4202	evpipe_write (EV_A_ &async_pending);	4382	evpipe_write (EV_A_ &async_pending);
4203	}	4383	}
4204	#endif	4384	#endif
…		…
4241		4421
4242	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4422	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4243	}	4423	}
4244		4424
4245	void	4425	void
4246	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4426	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4247	{	4427	{
4248	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4428	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4249		4429
4250	if (expect_false (!once))	4430	if (expect_false (!once))
4251	{	4431	{
…		…
4273		4453
4274	/*****************************************************************************/	4454	/*****************************************************************************/
4275		4455
4276	#if EV_WALK_ENABLE	4456	#if EV_WALK_ENABLE
4277	void ecb_cold	4457	void ecb_cold
4278	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4458	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4279	{	4459	{
4280	int i, j;	4460	int i, j;
4281	ev_watcher_list *wl, *wn;	4461	ev_watcher_list *wl, *wn;
4282		4462
4283	if (types & (EV_IO | EV_EMBED))	4463	if (types & (EV_IO | EV_EMBED))
…		…
4389		4569
4390	#if EV_MULTIPLICITY	4570	#if EV_MULTIPLICITY
4391	#include "ev_wrap.h"	4571	#include "ev_wrap.h"
4392	#endif	4572	#endif
4393		4573
4394	EV_CPP(})
4395

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