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Comparing libev/ev.c (file contents):
Revision 1.398 by root, Sun Sep 25 21:27:35 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) || defined(__INTEL_COMPILER) || defined(__clang__)	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) || defined(__clang__)	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)))
…		…
878		991
879	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	992	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
880	/* if your architecture doesn't need memory fences, e.g. because it is	993	/* if your architecture doesn't need memory fences, e.g. because it is
881	* single-cpu/core, or if you use libev in a project that doesn't use libev	994	* single-cpu/core, or if you use libev in a project that doesn't use libev
882	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling	995	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
883	* libev, in which casess the memory fences become nops.	996	* libev, in which cases the memory fences become nops.
884	* alternatively, you can remove this #error and link against libpthread,	997	* alternatively, you can remove this #error and link against libpthread,
885	* which will then provide the memory fences.	998	* which will then provide the memory fences.
886	*/	999	*/
887	# error "memory fences not defined for your architecture, please report"	1000	# error "memory fences not defined for your architecture, please report"
888	#endif	1001	#endif
…		…
1045	{	1158	{
1046	write (STDERR_FILENO, msg, strlen (msg));	1159	write (STDERR_FILENO, msg, strlen (msg));
1047	}	1160	}
1048	#endif	1161	#endif
1049		1162
1050	static void (*syserr_cb)(const char *msg);	1163	static void (*syserr_cb)(const char *msg) EV_THROW;
1051		1164
1052	void ecb_cold	1165	void ecb_cold
1053	ev_set_syserr_cb (void (*cb)(const char *msg))	1166	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1054	{	1167	{
1055	syserr_cb = cb;	1168	syserr_cb = cb;
1056	}	1169	}
1057		1170
1058	static void noinline ecb_cold	1171	static void noinline ecb_cold
…		…
1076	abort ();	1189	abort ();
1077	}	1190	}
1078	}	1191	}
1079		1192
1080	static void *	1193	static void *
1081	ev_realloc_emul (void *ptr, long size)	1194	ev_realloc_emul (void *ptr, long size) EV_THROW
1082	{	1195	{
1083	#if __GLIBC__
1084	return realloc (ptr, size);
1085	#else
1086	/* some systems, notably openbsd and darwin, fail to properly	1196	/* some systems, notably openbsd and darwin, fail to properly
1087	* 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
1088	* 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.
1089	*/	1201	*/
1090		1202
1091	if (size)	1203	if (size)
1092	return realloc (ptr, size);	1204	return realloc (ptr, size);
1093		1205
1094	free (ptr);	1206	free (ptr);
1095	return 0;	1207	return 0;
1096	#endif
1097	}	1208	}
1098		1209
1099	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1210	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1100		1211
1101	void ecb_cold	1212	void ecb_cold
1102	ev_set_allocator (void *(*cb)(void *ptr, long size))	1213	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1103	{	1214	{
1104	alloc = cb;	1215	alloc = cb;
1105	}	1216	}
1106		1217
1107	inline_speed void *	1218	inline_speed void *
…		…
1195	#undef VAR	1306	#undef VAR
1196	};	1307	};
1197	#include "ev_wrap.h"	1308	#include "ev_wrap.h"
1198		1309
1199	static struct ev_loop default_loop_struct;	1310	static struct ev_loop default_loop_struct;
1200	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 */
1201		1312
1202	#else	1313	#else
1203		1314
1204	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 */
1205	#define VAR(name,decl) static decl;	1316	#define VAR(name,decl) static decl;
1206	#include "ev_vars.h"	1317	#include "ev_vars.h"
1207	#undef VAR	1318	#undef VAR
1208		1319
1209	static int ev_default_loop_ptr;	1320	static int ev_default_loop_ptr;
…		…
1224		1335
1225	/*****************************************************************************/	1336	/*****************************************************************************/
1226		1337
1227	#ifndef EV_HAVE_EV_TIME	1338	#ifndef EV_HAVE_EV_TIME
1228	ev_tstamp	1339	ev_tstamp
1229	ev_time (void)	1340	ev_time (void) EV_THROW
1230	{	1341	{
1231	#if EV_USE_REALTIME	1342	#if EV_USE_REALTIME
1232	if (expect_true (have_realtime))	1343	if (expect_true (have_realtime))
1233	{	1344	{
1234	struct timespec ts;	1345	struct timespec ts;
…		…
1258	return ev_time ();	1369	return ev_time ();
1259	}	1370	}
1260		1371
1261	#if EV_MULTIPLICITY	1372	#if EV_MULTIPLICITY
1262	ev_tstamp	1373	ev_tstamp
1263	ev_now (EV_P)	1374	ev_now (EV_P) EV_THROW
1264	{	1375	{
1265	return ev_rt_now;	1376	return ev_rt_now;
1266	}	1377	}
1267	#endif	1378	#endif
1268		1379
1269	void	1380	void
1270	ev_sleep (ev_tstamp delay)	1381	ev_sleep (ev_tstamp delay) EV_THROW
1271	{	1382	{
1272	if (delay > 0.)	1383	if (delay > 0.)
1273	{	1384	{
1274	#if EV_USE_NANOSLEEP	1385	#if EV_USE_NANOSLEEP
1275	struct timespec ts;	1386	struct timespec ts;
1276		1387
1277	EV_TS_SET (ts, delay);	1388	EV_TS_SET (ts, delay);
1278	nanosleep (&ts, 0);	1389	nanosleep (&ts, 0);
1279	#elif defined(_WIN32)	1390	#elif defined _WIN32
1280	Sleep ((unsigned long)(delay * 1e3));	1391	Sleep ((unsigned long)(delay * 1e3));
1281	#else	1392	#else
1282	struct timeval tv;	1393	struct timeval tv;
1283		1394
1284	/* 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 */
…		…
1303		1414
1304	do	1415	do
1305	ncur <<= 1;	1416	ncur <<= 1;
1306	while (cnt > ncur);	1417	while (cnt > ncur);
1307		1418
1308	/* 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 */
1309	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1420	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1310	{	1421	{
1311	ncur *= elem;	1422	ncur *= elem;
1312	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);
1313	ncur = ncur - sizeof (void *) * 4;	1424	ncur = ncur - sizeof (void *) * 4;
…		…
1356	pendingcb (EV_P_ ev_prepare *w, int revents)	1467	pendingcb (EV_P_ ev_prepare *w, int revents)
1357	{	1468	{
1358	}	1469	}
1359		1470
1360	void noinline	1471	void noinline
1361	ev_feed_event (EV_P_ void *w, int revents)	1472	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1362	{	1473	{
1363	W w_ = (W)w;	1474	W w_ = (W)w;
1364	int pri = ABSPRI (w_);	1475	int pri = ABSPRI (w_);
1365		1476
1366	if (expect_false (w_->pending))	1477	if (expect_false (w_->pending))
…		…
1370	w_->pending = ++pendingcnt [pri];	1481	w_->pending = ++pendingcnt [pri];
1371	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1482	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1372	pendings [pri][w_->pending - 1].w = w_;	1483	pendings [pri][w_->pending - 1].w = w_;
1373	pendings [pri][w_->pending - 1].events = revents;	1484	pendings [pri][w_->pending - 1].events = revents;
1374	}	1485	}
		1486
		1487	pendingpri = NUMPRI - 1;
1375	}	1488	}
1376		1489
1377	inline_speed void	1490	inline_speed void
1378	feed_reverse (EV_P_ W w)	1491	feed_reverse (EV_P_ W w)
1379	{	1492	{
…		…
1425	if (expect_true (!anfd->reify))	1538	if (expect_true (!anfd->reify))
1426	fd_event_nocheck (EV_A_ fd, revents);	1539	fd_event_nocheck (EV_A_ fd, revents);
1427	}	1540	}
1428		1541
1429	void	1542	void
1430	ev_feed_fd_event (EV_P_ int fd, int revents)	1543	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1431	{	1544	{
1432	if (fd >= 0 && fd < anfdmax)	1545	if (fd >= 0 && fd < anfdmax)
1433	fd_event_nocheck (EV_A_ fd, revents);	1546	fd_event_nocheck (EV_A_ fd, revents);
1434	}	1547	}
1435		1548
…		…
1754	static void noinline ecb_cold	1867	static void noinline ecb_cold
1755	evpipe_init (EV_P)	1868	evpipe_init (EV_P)
1756	{	1869	{
1757	if (!ev_is_active (&pipe_w))	1870	if (!ev_is_active (&pipe_w))
1758	{	1871	{
		1872	int fds [2];
		1873
1759	# if EV_USE_EVENTFD	1874	# if EV_USE_EVENTFD
		1875	fds [0] = -1;
1760	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	1876	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1761	if (evfd < 0 && errno == EINVAL)	1877	if (fds [1] < 0 && errno == EINVAL)
1762	evfd = eventfd (0, 0);	1878	fds [1] = eventfd (0, 0);
1763		1879
1764	if (evfd >= 0)	1880	if (fds [1] < 0)
		1881	# endif
1765	{	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
1766	evpipe [0] = -1;	1891	evpipe [0] = fds [0];
1767	fd_intern (evfd); /* doing it twice doesn't hurt */	1892
1768	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));
1769	}	1941	}
1770	else	1942	else
1771	# endif	1943	#endif
1772	{	1944	{
1773	while (pipe (evpipe))	1945	#ifdef _WIN32
1774	ev_syserr ("(libev) error creating signal/async pipe");	1946	WSABUF buf;
1775		1947	DWORD sent;
1776	fd_intern (evpipe [0]);	1948	buf.buf = &buf;
1777	fd_intern (evpipe [1]);	1949	buf.len = 1;
1778	ev_io_set (&pipe_w, evpipe [0], EV_READ);	1950	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1779	}	1951	#else
1780
1781	ev_io_start (EV_A_ &pipe_w);
1782	ev_unref (EV_A); /* watcher should not keep loop alive */
1783	}
1784	}
1785
1786	inline_speed void
1787	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1788	{
1789	if (expect_true (*flag))
1790	return;
1791
1792	*flag = 1;
1793
1794	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1795
1796	pipe_write_skipped = 1;
1797
1798	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1799
1800	if (pipe_write_wanted)
1801	{
1802	int old_errno;
1803
1804	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1805
1806	old_errno = errno; /* save errno because write will clobber it */
1807
1808	#if EV_USE_EVENTFD
1809	if (evfd >= 0)
1810	{
1811	uint64_t counter = 1;
1812	write (evfd, &counter, sizeof (uint64_t));
1813	}
1814	else
1815	#endif
1816	{
1817	/* win32 people keep sending patches that change this write() to send() */
1818	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1819	/* so when you think this write should be a send instead, please find out */
1820	/* where your send() is from - it's definitely not the microsoft send, and */
1821	/* tell me. thank you. */
1822	write (evpipe [1], &(evpipe [1]), 1);	1952	write (evpipe [1], &(evpipe [1]), 1);
		1953	#endif
1823	}	1954	}
1824		1955
1825	errno = old_errno;	1956	errno = old_errno;
1826	}	1957	}
1827	}	1958	}
…		…
1834	int i;	1965	int i;
1835		1966
1836	if (revents & EV_READ)	1967	if (revents & EV_READ)
1837	{	1968	{
1838	#if EV_USE_EVENTFD	1969	#if EV_USE_EVENTFD
1839	if (evfd >= 0)	1970	if (evpipe [0] < 0)
1840	{	1971	{
1841	uint64_t counter;	1972	uint64_t counter;
1842	read (evfd, &counter, sizeof (uint64_t));	1973	read (evpipe [1], &counter, sizeof (uint64_t));
1843	}	1974	}
1844	else	1975	else
1845	#endif	1976	#endif
1846	{	1977	{
1847	char dummy;	1978	char dummy[4];
1848	/* 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
1849	read (evpipe [0], &dummy, 1);	1987	read (evpipe [0], &dummy, sizeof (dummy));
		1988	#endif
1850	}	1989	}
1851	}	1990	}
1852		1991
1853	pipe_write_skipped = 0;	1992	pipe_write_skipped = 0;
		1993
		1994	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1854		1995
1855	#if EV_SIGNAL_ENABLE	1996	#if EV_SIGNAL_ENABLE
1856	if (sig_pending)	1997	if (sig_pending)
1857	{	1998	{
1858	sig_pending = 0;	1999	sig_pending = 0;
		2000
		2001	ECB_MEMORY_FENCE;
1859		2002
1860	for (i = EV_NSIG - 1; i--; )	2003	for (i = EV_NSIG - 1; i--; )
1861	if (expect_false (signals [i].pending))	2004	if (expect_false (signals [i].pending))
1862	ev_feed_signal_event (EV_A_ i + 1);	2005	ev_feed_signal_event (EV_A_ i + 1);
1863	}	2006	}
…		…
1865		2008
1866	#if EV_ASYNC_ENABLE	2009	#if EV_ASYNC_ENABLE
1867	if (async_pending)	2010	if (async_pending)
1868	{	2011	{
1869	async_pending = 0;	2012	async_pending = 0;
		2013
		2014	ECB_MEMORY_FENCE;
1870		2015
1871	for (i = asynccnt; i--; )	2016	for (i = asynccnt; i--; )
1872	if (asyncs [i]->sent)	2017	if (asyncs [i]->sent)
1873	{	2018	{
1874	asyncs [i]->sent = 0;	2019	asyncs [i]->sent = 0;
		2020	ECB_MEMORY_FENCE_RELEASE;
1875	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2021	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1876	}	2022	}
1877	}	2023	}
1878	#endif	2024	#endif
1879	}	2025	}
1880		2026
1881	/*****************************************************************************/	2027	/*****************************************************************************/
1882		2028
1883	void	2029	void
1884	ev_feed_signal (int signum)	2030	ev_feed_signal (int signum) EV_THROW
1885	{	2031	{
1886	#if EV_MULTIPLICITY	2032	#if EV_MULTIPLICITY
		2033	ECB_MEMORY_FENCE_ACQUIRE;
1887	EV_P = signals [signum - 1].loop;	2034	EV_P = signals [signum - 1].loop;
1888		2035
1889	if (!EV_A)	2036	if (!EV_A)
1890	return;	2037	return;
1891	#endif	2038	#endif
1892		2039
1893	if (!ev_active (&pipe_w))
1894	return;
1895
1896	signals [signum - 1].pending = 1;	2040	signals [signum - 1].pending = 1;
1897	evpipe_write (EV_A_ &sig_pending);	2041	evpipe_write (EV_A_ &sig_pending);
1898	}	2042	}
1899		2043
1900	static void	2044	static void
…		…
1906		2050
1907	ev_feed_signal (signum);	2051	ev_feed_signal (signum);
1908	}	2052	}
1909		2053
1910	void noinline	2054	void noinline
1911	ev_feed_signal_event (EV_P_ int signum)	2055	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1912	{	2056	{
1913	WL w;	2057	WL w;
1914		2058
1915	if (expect_false (signum <= 0 || signum > EV_NSIG))	2059	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1916	return;	2060	return;
1917		2061
1918	--signum;	2062	--signum;
1919		2063
1920	#if EV_MULTIPLICITY	2064	#if EV_MULTIPLICITY
…		…
1924	if (expect_false (signals [signum].loop != EV_A))	2068	if (expect_false (signals [signum].loop != EV_A))
1925	return;	2069	return;
1926	#endif	2070	#endif
1927		2071
1928	signals [signum].pending = 0;	2072	signals [signum].pending = 0;
		2073	ECB_MEMORY_FENCE_RELEASE;
1929		2074
1930	for (w = signals [signum].head; w; w = w->next)	2075	for (w = signals [signum].head; w; w = w->next)
1931	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2076	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1932	}	2077	}
1933		2078
…		…
2032	#if EV_USE_SELECT	2177	#if EV_USE_SELECT
2033	# include "ev_select.c"	2178	# include "ev_select.c"
2034	#endif	2179	#endif
2035		2180
2036	int ecb_cold	2181	int ecb_cold
2037	ev_version_major (void)	2182	ev_version_major (void) EV_THROW
2038	{	2183	{
2039	return EV_VERSION_MAJOR;	2184	return EV_VERSION_MAJOR;
2040	}	2185	}
2041		2186
2042	int ecb_cold	2187	int ecb_cold
2043	ev_version_minor (void)	2188	ev_version_minor (void) EV_THROW
2044	{	2189	{
2045	return EV_VERSION_MINOR;	2190	return EV_VERSION_MINOR;
2046	}	2191	}
2047		2192
2048	/* 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 */
…		…
2056	|| getgid () != getegid ();	2201	|| getgid () != getegid ();
2057	#endif	2202	#endif
2058	}	2203	}
2059		2204
2060	unsigned int ecb_cold	2205	unsigned int ecb_cold
2061	ev_supported_backends (void)	2206	ev_supported_backends (void) EV_THROW
2062	{	2207	{
2063	unsigned int flags = 0;	2208	unsigned int flags = 0;
2064		2209
2065	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2210	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2066	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2211	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2070		2215
2071	return flags;	2216	return flags;
2072	}	2217	}
2073		2218
2074	unsigned int ecb_cold	2219	unsigned int ecb_cold
2075	ev_recommended_backends (void)	2220	ev_recommended_backends (void) EV_THROW
2076	{	2221	{
2077	unsigned int flags = ev_supported_backends ();	2222	unsigned int flags = ev_supported_backends ();
2078		2223
2079	#ifndef __NetBSD__	2224	#ifndef __NetBSD__
2080	/* kqueue is borked on everything but netbsd apparently */	2225	/* kqueue is borked on everything but netbsd apparently */
…		…
2092		2237
2093	return flags;	2238	return flags;
2094	}	2239	}
2095		2240
2096	unsigned int ecb_cold	2241	unsigned int ecb_cold
2097	ev_embeddable_backends (void)	2242	ev_embeddable_backends (void) EV_THROW
2098	{	2243	{
2099	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2244	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2100		2245
2101	/* 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 */
2102	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 */
…		…
2104		2249
2105	return flags;	2250	return flags;
2106	}	2251	}
2107		2252
2108	unsigned int	2253	unsigned int
2109	ev_backend (EV_P)	2254	ev_backend (EV_P) EV_THROW
2110	{	2255	{
2111	return backend;	2256	return backend;
2112	}	2257	}
2113		2258
2114	#if EV_FEATURE_API	2259	#if EV_FEATURE_API
2115	unsigned int	2260	unsigned int
2116	ev_iteration (EV_P)	2261	ev_iteration (EV_P) EV_THROW
2117	{	2262	{
2118	return loop_count;	2263	return loop_count;
2119	}	2264	}
2120		2265
2121	unsigned int	2266	unsigned int
2122	ev_depth (EV_P)	2267	ev_depth (EV_P) EV_THROW
2123	{	2268	{
2124	return loop_depth;	2269	return loop_depth;
2125	}	2270	}
2126		2271
2127	void	2272	void
2128	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2273	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2129	{	2274	{
2130	io_blocktime = interval;	2275	io_blocktime = interval;
2131	}	2276	}
2132		2277
2133	void	2278	void
2134	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2279	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2135	{	2280	{
2136	timeout_blocktime = interval;	2281	timeout_blocktime = interval;
2137	}	2282	}
2138		2283
2139	void	2284	void
2140	ev_set_userdata (EV_P_ void *data)	2285	ev_set_userdata (EV_P_ void *data) EV_THROW
2141	{	2286	{
2142	userdata = data;	2287	userdata = data;
2143	}	2288	}
2144		2289
2145	void *	2290	void *
2146	ev_userdata (EV_P)	2291	ev_userdata (EV_P) EV_THROW
2147	{	2292	{
2148	return userdata;	2293	return userdata;
2149	}	2294	}
2150		2295
2151	void	2296	void
2152	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
2153	{	2298	{
2154	invoke_cb = invoke_pending_cb;	2299	invoke_cb = invoke_pending_cb;
2155	}	2300	}
2156		2301
2157	void	2302	void
2158	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
2159	{	2304	{
2160	release_cb = release;	2305	release_cb = release;
2161	acquire_cb = acquire;	2306	acquire_cb = acquire;
2162	}	2307	}
2163	#endif	2308	#endif
2164		2309
2165	/* initialise a loop structure, must be zero-initialised */	2310	/* initialise a loop structure, must be zero-initialised */
2166	static void noinline ecb_cold	2311	static void noinline ecb_cold
2167	loop_init (EV_P_ unsigned int flags)	2312	loop_init (EV_P_ unsigned int flags) EV_THROW
2168	{	2313	{
2169	if (!backend)	2314	if (!backend)
2170	{	2315	{
2171	origflags = flags;	2316	origflags = flags;
2172		2317
…		…
2217	#if EV_ASYNC_ENABLE	2362	#if EV_ASYNC_ENABLE
2218	async_pending = 0;	2363	async_pending = 0;
2219	#endif	2364	#endif
2220	pipe_write_skipped = 0;	2365	pipe_write_skipped = 0;
2221	pipe_write_wanted = 0;	2366	pipe_write_wanted = 0;
		2367	evpipe [0] = -1;
		2368	evpipe [1] = -1;
2222	#if EV_USE_INOTIFY	2369	#if EV_USE_INOTIFY
2223	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2370	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2224	#endif	2371	#endif
2225	#if EV_USE_SIGNALFD	2372	#if EV_USE_SIGNALFD
2226	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2373	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2277	EV_INVOKE_PENDING;	2424	EV_INVOKE_PENDING;
2278	}	2425	}
2279	#endif	2426	#endif
2280		2427
2281	#if EV_CHILD_ENABLE	2428	#if EV_CHILD_ENABLE
2282	if (ev_is_active (&childev))	2429	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2283	{	2430	{
2284	ev_ref (EV_A); /* child watcher */	2431	ev_ref (EV_A); /* child watcher */
2285	ev_signal_stop (EV_A_ &childev);	2432	ev_signal_stop (EV_A_ &childev);
2286	}	2433	}
2287	#endif	2434	#endif
…		…
2289	if (ev_is_active (&pipe_w))	2436	if (ev_is_active (&pipe_w))
2290	{	2437	{
2291	/*ev_ref (EV_A);*/	2438	/*ev_ref (EV_A);*/
2292	/*ev_io_stop (EV_A_ &pipe_w);*/	2439	/*ev_io_stop (EV_A_ &pipe_w);*/
2293		2440
2294	#if EV_USE_EVENTFD
2295	if (evfd >= 0)
2296	close (evfd);
2297	#endif
2298
2299	if (evpipe [0] >= 0)
2300	{
2301	EV_WIN32_CLOSE_FD (evpipe [0]);	2441	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2302	EV_WIN32_CLOSE_FD (evpipe [1]);	2442	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2303	}
2304	}	2443	}
2305		2444
2306	#if EV_USE_SIGNALFD	2445	#if EV_USE_SIGNALFD
2307	if (ev_is_active (&sigfd_w))	2446	if (ev_is_active (&sigfd_w))
2308	close (sigfd);	2447	close (sigfd);
…		…
2394	#endif	2533	#endif
2395	#if EV_USE_INOTIFY	2534	#if EV_USE_INOTIFY
2396	infy_fork (EV_A);	2535	infy_fork (EV_A);
2397	#endif	2536	#endif
2398		2537
		2538	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2399	if (ev_is_active (&pipe_w))	2539	if (ev_is_active (&pipe_w))
2400	{	2540	{
2401	/* 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 */
2402		2542
2403	ev_ref (EV_A);	2543	ev_ref (EV_A);
2404	ev_io_stop (EV_A_ &pipe_w);	2544	ev_io_stop (EV_A_ &pipe_w);
2405		2545
2406	#if EV_USE_EVENTFD
2407	if (evfd >= 0)
2408	close (evfd);
2409	#endif
2410
2411	if (evpipe [0] >= 0)	2546	if (evpipe [0] >= 0)
2412	{
2413	EV_WIN32_CLOSE_FD (evpipe [0]);	2547	EV_WIN32_CLOSE_FD (evpipe [0]);
2414	EV_WIN32_CLOSE_FD (evpipe [1]);
2415	}
2416		2548
2417	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2418	evpipe_init (EV_A);	2549	evpipe_init (EV_A);
2419	/* now iterate over everything, in case we missed something */	2550	/* iterate over everything, in case we missed something before */
2420	pipecb (EV_A_ &pipe_w, EV_READ);	2551	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2421	#endif
2422	}	2552	}
		2553	#endif
2423		2554
2424	postfork = 0;	2555	postfork = 0;
2425	}	2556	}
2426		2557
2427	#if EV_MULTIPLICITY	2558	#if EV_MULTIPLICITY
2428		2559
2429	struct ev_loop * ecb_cold	2560	struct ev_loop * ecb_cold
2430	ev_loop_new (unsigned int flags)	2561	ev_loop_new (unsigned int flags) EV_THROW
2431	{	2562	{
2432	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2563	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2433		2564
2434	memset (EV_A, 0, sizeof (struct ev_loop));	2565	memset (EV_A, 0, sizeof (struct ev_loop));
2435	loop_init (EV_A_ flags);	2566	loop_init (EV_A_ flags);
…		…
2479	}	2610	}
2480	#endif	2611	#endif
2481		2612
2482	#if EV_FEATURE_API	2613	#if EV_FEATURE_API
2483	void ecb_cold	2614	void ecb_cold
2484	ev_verify (EV_P)	2615	ev_verify (EV_P) EV_THROW
2485	{	2616	{
2486	#if EV_VERIFY	2617	#if EV_VERIFY
2487	int i;	2618	int i;
2488	WL w;	2619	WL w, w2;
2489		2620
2490	assert (activecnt >= -1);	2621	assert (activecnt >= -1);
2491		2622
2492	assert (fdchangemax >= fdchangecnt);	2623	assert (fdchangemax >= fdchangecnt);
2493	for (i = 0; i < fdchangecnt; ++i)	2624	for (i = 0; i < fdchangecnt; ++i)
2494	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2625	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2495		2626
2496	assert (anfdmax >= 0);	2627	assert (anfdmax >= 0);
2497	for (i = 0; i < anfdmax; ++i)	2628	for (i = 0; i < anfdmax; ++i)
		2629	{
		2630	int j = 0;
		2631
2498	for (w = anfds [i].head; w; w = w->next)	2632	for (w = w2 = anfds [i].head; w; w = w->next)
2499	{	2633	{
2500	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
2501	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));
2502	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));
2503	}	2644	}
		2645	}
2504		2646
2505	assert (timermax >= timercnt);	2647	assert (timermax >= timercnt);
2506	verify_heap (EV_A_ timers, timercnt);	2648	verify_heap (EV_A_ timers, timercnt);
2507		2649
2508	#if EV_PERIODIC_ENABLE	2650	#if EV_PERIODIC_ENABLE
…		…
2558	#if EV_MULTIPLICITY	2700	#if EV_MULTIPLICITY
2559	struct ev_loop * ecb_cold	2701	struct ev_loop * ecb_cold
2560	#else	2702	#else
2561	int	2703	int
2562	#endif	2704	#endif
2563	ev_default_loop (unsigned int flags)	2705	ev_default_loop (unsigned int flags) EV_THROW
2564	{	2706	{
2565	if (!ev_default_loop_ptr)	2707	if (!ev_default_loop_ptr)
2566	{	2708	{
2567	#if EV_MULTIPLICITY	2709	#if EV_MULTIPLICITY
2568	EV_P = ev_default_loop_ptr = &default_loop_struct;	2710	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2587		2729
2588	return ev_default_loop_ptr;	2730	return ev_default_loop_ptr;
2589	}	2731	}
2590		2732
2591	void	2733	void
2592	ev_loop_fork (EV_P)	2734	ev_loop_fork (EV_P) EV_THROW
2593	{	2735	{
2594	postfork = 1; /* must be in line with ev_default_fork */	2736	postfork = 1;
2595	}	2737	}
2596		2738
2597	/*****************************************************************************/	2739	/*****************************************************************************/
2598		2740
2599	void	2741	void
…		…
2601	{	2743	{
2602	EV_CB_INVOKE ((W)w, revents);	2744	EV_CB_INVOKE ((W)w, revents);
2603	}	2745	}
2604		2746
2605	unsigned int	2747	unsigned int
2606	ev_pending_count (EV_P)	2748	ev_pending_count (EV_P) EV_THROW
2607	{	2749	{
2608	int pri;	2750	int pri;
2609	unsigned int count = 0;	2751	unsigned int count = 0;
2610		2752
2611	for (pri = NUMPRI; pri--; )	2753	for (pri = NUMPRI; pri--; )
…		…
2615	}	2757	}
2616		2758
2617	void noinline	2759	void noinline
2618	ev_invoke_pending (EV_P)	2760	ev_invoke_pending (EV_P)
2619	{	2761	{
2620	int pri;	2762	pendingpri = NUMPRI;
2621		2763
2622	for (pri = NUMPRI; pri--; )	2764	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2765	{
		2766	--pendingpri;
		2767
2623	while (pendingcnt [pri])	2768	while (pendingcnt [pendingpri])
2624	{	2769	{
2625	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2770	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2626		2771
2627	p->w->pending = 0;	2772	p->w->pending = 0;
2628	EV_CB_INVOKE (p->w, p->events);	2773	EV_CB_INVOKE (p->w, p->events);
2629	EV_FREQUENT_CHECK;	2774	EV_FREQUENT_CHECK;
2630	}	2775	}
		2776	}
2631	}	2777	}
2632		2778
2633	#if EV_IDLE_ENABLE	2779	#if EV_IDLE_ENABLE
2634	/* make idle watchers pending. this handles the "call-idle */	2780	/* make idle watchers pending. this handles the "call-idle */
2635	/* only when higher priorities are idle" logic */	2781	/* only when higher priorities are idle" logic */
…		…
2725	{	2871	{
2726	EV_FREQUENT_CHECK;	2872	EV_FREQUENT_CHECK;
2727		2873
2728	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	2874	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2729	{	2875	{
2730	int feed_count = 0;
2731
2732	do	2876	do
2733	{	2877	{
2734	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	2878	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2735		2879
2736	/*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)));*/
…		…
2870		3014
2871	mn_now = ev_rt_now;	3015	mn_now = ev_rt_now;
2872	}	3016	}
2873	}	3017	}
2874		3018
2875	void	3019	int
2876	ev_run (EV_P_ int flags)	3020	ev_run (EV_P_ int flags)
2877	{	3021	{
2878	#if EV_FEATURE_API	3022	#if EV_FEATURE_API
2879	++loop_depth;	3023	++loop_depth;
2880	#endif	3024	#endif
…		…
2993	#endif	3137	#endif
2994	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3138	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2995	backend_poll (EV_A_ waittime);	3139	backend_poll (EV_A_ waittime);
2996	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3140	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2997		3141
2998	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3142	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2999		3143
		3144	ECB_MEMORY_FENCE_ACQUIRE;
3000	if (pipe_write_skipped)	3145	if (pipe_write_skipped)
3001	{	3146	{
3002	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)));
3003	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3148	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3004	}	3149	}
…		…
3037	loop_done = EVBREAK_CANCEL;	3182	loop_done = EVBREAK_CANCEL;
3038		3183
3039	#if EV_FEATURE_API	3184	#if EV_FEATURE_API
3040	--loop_depth;	3185	--loop_depth;
3041	#endif	3186	#endif
		3187
		3188	return activecnt;
3042	}	3189	}
3043		3190
3044	void	3191	void
3045	ev_break (EV_P_ int how)	3192	ev_break (EV_P_ int how) EV_THROW
3046	{	3193	{
3047	loop_done = how;	3194	loop_done = how;
3048	}	3195	}
3049		3196
3050	void	3197	void
3051	ev_ref (EV_P)	3198	ev_ref (EV_P) EV_THROW
3052	{	3199	{
3053	++activecnt;	3200	++activecnt;
3054	}	3201	}
3055		3202
3056	void	3203	void
3057	ev_unref (EV_P)	3204	ev_unref (EV_P) EV_THROW
3058	{	3205	{
3059	--activecnt;	3206	--activecnt;
3060	}	3207	}
3061		3208
3062	void	3209	void
3063	ev_now_update (EV_P)	3210	ev_now_update (EV_P) EV_THROW
3064	{	3211	{
3065	time_update (EV_A_ 1e100);	3212	time_update (EV_A_ 1e100);
3066	}	3213	}
3067		3214
3068	void	3215	void
3069	ev_suspend (EV_P)	3216	ev_suspend (EV_P) EV_THROW
3070	{	3217	{
3071	ev_now_update (EV_A);	3218	ev_now_update (EV_A);
3072	}	3219	}
3073		3220
3074	void	3221	void
3075	ev_resume (EV_P)	3222	ev_resume (EV_P) EV_THROW
3076	{	3223	{
3077	ev_tstamp mn_prev = mn_now;	3224	ev_tstamp mn_prev = mn_now;
3078		3225
3079	ev_now_update (EV_A);	3226	ev_now_update (EV_A);
3080	timers_reschedule (EV_A_ mn_now - mn_prev);	3227	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3119	w->pending = 0;	3266	w->pending = 0;
3120	}	3267	}
3121	}	3268	}
3122		3269
3123	int	3270	int
3124	ev_clear_pending (EV_P_ void *w)	3271	ev_clear_pending (EV_P_ void *w) EV_THROW
3125	{	3272	{
3126	W w_ = (W)w;	3273	W w_ = (W)w;
3127	int pending = w_->pending;	3274	int pending = w_->pending;
3128		3275
3129	if (expect_true (pending))	3276	if (expect_true (pending))
…		…
3162	}	3309	}
3163		3310
3164	/*****************************************************************************/	3311	/*****************************************************************************/
3165		3312
3166	void noinline	3313	void noinline
3167	ev_io_start (EV_P_ ev_io *w)	3314	ev_io_start (EV_P_ ev_io *w) EV_THROW
3168	{	3315	{
3169	int fd = w->fd;	3316	int fd = w->fd;
3170		3317
3171	if (expect_false (ev_is_active (w)))	3318	if (expect_false (ev_is_active (w)))
3172	return;	3319	return;
…		…
3178		3325
3179	ev_start (EV_A_ (W)w, 1);	3326	ev_start (EV_A_ (W)w, 1);
3180	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3327	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3181	wlist_add (&anfds[fd].head, (WL)w);	3328	wlist_add (&anfds[fd].head, (WL)w);
3182		3329
		3330	/* common bug, apparently */
		3331	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3332
3183	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);
3184	w->events &= ~EV__IOFDSET;	3334	w->events &= ~EV__IOFDSET;
3185		3335
3186	EV_FREQUENT_CHECK;	3336	EV_FREQUENT_CHECK;
3187	}	3337	}
3188		3338
3189	void noinline	3339	void noinline
3190	ev_io_stop (EV_P_ ev_io *w)	3340	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3191	{	3341	{
3192	clear_pending (EV_A_ (W)w);	3342	clear_pending (EV_A_ (W)w);
3193	if (expect_false (!ev_is_active (w)))	3343	if (expect_false (!ev_is_active (w)))
3194	return;	3344	return;
3195		3345
…		…
3204		3354
3205	EV_FREQUENT_CHECK;	3355	EV_FREQUENT_CHECK;
3206	}	3356	}
3207		3357
3208	void noinline	3358	void noinline
3209	ev_timer_start (EV_P_ ev_timer *w)	3359	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3210	{	3360	{
3211	if (expect_false (ev_is_active (w)))	3361	if (expect_false (ev_is_active (w)))
3212	return;	3362	return;
3213		3363
3214	ev_at (w) += mn_now;	3364	ev_at (w) += mn_now;
…		…
3228		3378
3229	/*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));*/
3230	}	3380	}
3231		3381
3232	void noinline	3382	void noinline
3233	ev_timer_stop (EV_P_ ev_timer *w)	3383	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3234	{	3384	{
3235	clear_pending (EV_A_ (W)w);	3385	clear_pending (EV_A_ (W)w);
3236	if (expect_false (!ev_is_active (w)))	3386	if (expect_false (!ev_is_active (w)))
3237	return;	3387	return;
3238		3388
…		…
3258		3408
3259	EV_FREQUENT_CHECK;	3409	EV_FREQUENT_CHECK;
3260	}	3410	}
3261		3411
3262	void noinline	3412	void noinline
3263	ev_timer_again (EV_P_ ev_timer *w)	3413	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3264	{	3414	{
3265	EV_FREQUENT_CHECK;	3415	EV_FREQUENT_CHECK;
		3416
		3417	clear_pending (EV_A_ (W)w);
3266		3418
3267	if (ev_is_active (w))	3419	if (ev_is_active (w))
3268	{	3420	{
3269	if (w->repeat)	3421	if (w->repeat)
3270	{	3422	{
…		…
3283		3435
3284	EV_FREQUENT_CHECK;	3436	EV_FREQUENT_CHECK;
3285	}	3437	}
3286		3438
3287	ev_tstamp	3439	ev_tstamp
3288	ev_timer_remaining (EV_P_ ev_timer *w)	3440	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3289	{	3441	{
3290	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3442	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3291	}	3443	}
3292		3444
3293	#if EV_PERIODIC_ENABLE	3445	#if EV_PERIODIC_ENABLE
3294	void noinline	3446	void noinline
3295	ev_periodic_start (EV_P_ ev_periodic *w)	3447	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3296	{	3448	{
3297	if (expect_false (ev_is_active (w)))	3449	if (expect_false (ev_is_active (w)))
3298	return;	3450	return;
3299		3451
3300	if (w->reschedule_cb)	3452	if (w->reschedule_cb)
…		…
3320		3472
3321	/*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));*/
3322	}	3474	}
3323		3475
3324	void noinline	3476	void noinline
3325	ev_periodic_stop (EV_P_ ev_periodic *w)	3477	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3326	{	3478	{
3327	clear_pending (EV_A_ (W)w);	3479	clear_pending (EV_A_ (W)w);
3328	if (expect_false (!ev_is_active (w)))	3480	if (expect_false (!ev_is_active (w)))
3329	return;	3481	return;
3330		3482
…		…
3348		3500
3349	EV_FREQUENT_CHECK;	3501	EV_FREQUENT_CHECK;
3350	}	3502	}
3351		3503
3352	void noinline	3504	void noinline
3353	ev_periodic_again (EV_P_ ev_periodic *w)	3505	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3354	{	3506	{
3355	/* TODO: use adjustheap and recalculation */	3507	/* TODO: use adjustheap and recalculation */
3356	ev_periodic_stop (EV_A_ w);	3508	ev_periodic_stop (EV_A_ w);
3357	ev_periodic_start (EV_A_ w);	3509	ev_periodic_start (EV_A_ w);
3358	}	3510	}
…		…
3363	#endif	3515	#endif
3364		3516
3365	#if EV_SIGNAL_ENABLE	3517	#if EV_SIGNAL_ENABLE
3366		3518
3367	void noinline	3519	void noinline
3368	ev_signal_start (EV_P_ ev_signal *w)	3520	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3369	{	3521	{
3370	if (expect_false (ev_is_active (w)))	3522	if (expect_false (ev_is_active (w)))
3371	return;	3523	return;
3372		3524
3373	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));
…		…
3375	#if EV_MULTIPLICITY	3527	#if EV_MULTIPLICITY
3376	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",
3377	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3529	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3378		3530
3379	signals [w->signum - 1].loop = EV_A;	3531	signals [w->signum - 1].loop = EV_A;
		3532	ECB_MEMORY_FENCE_RELEASE;
3380	#endif	3533	#endif
3381		3534
3382	EV_FREQUENT_CHECK;	3535	EV_FREQUENT_CHECK;
3383		3536
3384	#if EV_USE_SIGNALFD	3537	#if EV_USE_SIGNALFD
…		…
3444		3597
3445	EV_FREQUENT_CHECK;	3598	EV_FREQUENT_CHECK;
3446	}	3599	}
3447		3600
3448	void noinline	3601	void noinline
3449	ev_signal_stop (EV_P_ ev_signal *w)	3602	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3450	{	3603	{
3451	clear_pending (EV_A_ (W)w);	3604	clear_pending (EV_A_ (W)w);
3452	if (expect_false (!ev_is_active (w)))	3605	if (expect_false (!ev_is_active (w)))
3453	return;	3606	return;
3454		3607
…		…
3485	#endif	3638	#endif
3486		3639
3487	#if EV_CHILD_ENABLE	3640	#if EV_CHILD_ENABLE
3488		3641
3489	void	3642	void
3490	ev_child_start (EV_P_ ev_child *w)	3643	ev_child_start (EV_P_ ev_child *w) EV_THROW
3491	{	3644	{
3492	#if EV_MULTIPLICITY	3645	#if EV_MULTIPLICITY
3493	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));
3494	#endif	3647	#endif
3495	if (expect_false (ev_is_active (w)))	3648	if (expect_false (ev_is_active (w)))
…		…
3502		3655
3503	EV_FREQUENT_CHECK;	3656	EV_FREQUENT_CHECK;
3504	}	3657	}
3505		3658
3506	void	3659	void
3507	ev_child_stop (EV_P_ ev_child *w)	3660	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3508	{	3661	{
3509	clear_pending (EV_A_ (W)w);	3662	clear_pending (EV_A_ (W)w);
3510	if (expect_false (!ev_is_active (w)))	3663	if (expect_false (!ev_is_active (w)))
3511	return;	3664	return;
3512		3665
…		…
3679	}	3832	}
3680		3833
3681	inline_size int	3834	inline_size int
3682	infy_newfd (void)	3835	infy_newfd (void)
3683	{	3836	{
3684	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	3837	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3685	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	3838	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3686	if (fd >= 0)	3839	if (fd >= 0)
3687	return fd;	3840	return fd;
3688	#endif	3841	#endif
3689	return inotify_init ();	3842	return inotify_init ();
…		…
3764	#else	3917	#else
3765	# define EV_LSTAT(p,b) lstat (p, b)	3918	# define EV_LSTAT(p,b) lstat (p, b)
3766	#endif	3919	#endif
3767		3920
3768	void	3921	void
3769	ev_stat_stat (EV_P_ ev_stat *w)	3922	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3770	{	3923	{
3771	if (lstat (w->path, &w->attr) < 0)	3924	if (lstat (w->path, &w->attr) < 0)
3772	w->attr.st_nlink = 0;	3925	w->attr.st_nlink = 0;
3773	else if (!w->attr.st_nlink)	3926	else if (!w->attr.st_nlink)
3774	w->attr.st_nlink = 1;	3927	w->attr.st_nlink = 1;
…		…
3813	ev_feed_event (EV_A_ w, EV_STAT);	3966	ev_feed_event (EV_A_ w, EV_STAT);
3814	}	3967	}
3815	}	3968	}
3816		3969
3817	void	3970	void
3818	ev_stat_start (EV_P_ ev_stat *w)	3971	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3819	{	3972	{
3820	if (expect_false (ev_is_active (w)))	3973	if (expect_false (ev_is_active (w)))
3821	return;	3974	return;
3822		3975
3823	ev_stat_stat (EV_A_ w);	3976	ev_stat_stat (EV_A_ w);
…		…
3844		3997
3845	EV_FREQUENT_CHECK;	3998	EV_FREQUENT_CHECK;
3846	}	3999	}
3847		4000
3848	void	4001	void
3849	ev_stat_stop (EV_P_ ev_stat *w)	4002	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3850	{	4003	{
3851	clear_pending (EV_A_ (W)w);	4004	clear_pending (EV_A_ (W)w);
3852	if (expect_false (!ev_is_active (w)))	4005	if (expect_false (!ev_is_active (w)))
3853	return;	4006	return;
3854		4007
…		…
3870	}	4023	}
3871	#endif	4024	#endif
3872		4025
3873	#if EV_IDLE_ENABLE	4026	#if EV_IDLE_ENABLE
3874	void	4027	void
3875	ev_idle_start (EV_P_ ev_idle *w)	4028	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3876	{	4029	{
3877	if (expect_false (ev_is_active (w)))	4030	if (expect_false (ev_is_active (w)))
3878	return;	4031	return;
3879		4032
3880	pri_adjust (EV_A_ (W)w);	4033	pri_adjust (EV_A_ (W)w);
…		…
3893		4046
3894	EV_FREQUENT_CHECK;	4047	EV_FREQUENT_CHECK;
3895	}	4048	}
3896		4049
3897	void	4050	void
3898	ev_idle_stop (EV_P_ ev_idle *w)	4051	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3899	{	4052	{
3900	clear_pending (EV_A_ (W)w);	4053	clear_pending (EV_A_ (W)w);
3901	if (expect_false (!ev_is_active (w)))	4054	if (expect_false (!ev_is_active (w)))
3902	return;	4055	return;
3903		4056
…		…
3917	}	4070	}
3918	#endif	4071	#endif
3919		4072
3920	#if EV_PREPARE_ENABLE	4073	#if EV_PREPARE_ENABLE
3921	void	4074	void
3922	ev_prepare_start (EV_P_ ev_prepare *w)	4075	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3923	{	4076	{
3924	if (expect_false (ev_is_active (w)))	4077	if (expect_false (ev_is_active (w)))
3925	return;	4078	return;
3926		4079
3927	EV_FREQUENT_CHECK;	4080	EV_FREQUENT_CHECK;
…		…
3932		4085
3933	EV_FREQUENT_CHECK;	4086	EV_FREQUENT_CHECK;
3934	}	4087	}
3935		4088
3936	void	4089	void
3937	ev_prepare_stop (EV_P_ ev_prepare *w)	4090	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3938	{	4091	{
3939	clear_pending (EV_A_ (W)w);	4092	clear_pending (EV_A_ (W)w);
3940	if (expect_false (!ev_is_active (w)))	4093	if (expect_false (!ev_is_active (w)))
3941	return;	4094	return;
3942		4095
…		…
3955	}	4108	}
3956	#endif	4109	#endif
3957		4110
3958	#if EV_CHECK_ENABLE	4111	#if EV_CHECK_ENABLE
3959	void	4112	void
3960	ev_check_start (EV_P_ ev_check *w)	4113	ev_check_start (EV_P_ ev_check *w) EV_THROW
3961	{	4114	{
3962	if (expect_false (ev_is_active (w)))	4115	if (expect_false (ev_is_active (w)))
3963	return;	4116	return;
3964		4117
3965	EV_FREQUENT_CHECK;	4118	EV_FREQUENT_CHECK;
…		…
3970		4123
3971	EV_FREQUENT_CHECK;	4124	EV_FREQUENT_CHECK;
3972	}	4125	}
3973		4126
3974	void	4127	void
3975	ev_check_stop (EV_P_ ev_check *w)	4128	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3976	{	4129	{
3977	clear_pending (EV_A_ (W)w);	4130	clear_pending (EV_A_ (W)w);
3978	if (expect_false (!ev_is_active (w)))	4131	if (expect_false (!ev_is_active (w)))
3979	return;	4132	return;
3980		4133
…		…
3993	}	4146	}
3994	#endif	4147	#endif
3995		4148
3996	#if EV_EMBED_ENABLE	4149	#if EV_EMBED_ENABLE
3997	void noinline	4150	void noinline
3998	ev_embed_sweep (EV_P_ ev_embed *w)	4151	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3999	{	4152	{
4000	ev_run (w->other, EVRUN_NOWAIT);	4153	ev_run (w->other, EVRUN_NOWAIT);
4001	}	4154	}
4002		4155
4003	static void	4156	static void
…		…
4051	ev_idle_stop (EV_A_ idle);	4204	ev_idle_stop (EV_A_ idle);
4052	}	4205	}
4053	#endif	4206	#endif
4054		4207
4055	void	4208	void
4056	ev_embed_start (EV_P_ ev_embed *w)	4209	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4057	{	4210	{
4058	if (expect_false (ev_is_active (w)))	4211	if (expect_false (ev_is_active (w)))
4059	return;	4212	return;
4060		4213
4061	{	4214	{
…		…
4082		4235
4083	EV_FREQUENT_CHECK;	4236	EV_FREQUENT_CHECK;
4084	}	4237	}
4085		4238
4086	void	4239	void
4087	ev_embed_stop (EV_P_ ev_embed *w)	4240	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4088	{	4241	{
4089	clear_pending (EV_A_ (W)w);	4242	clear_pending (EV_A_ (W)w);
4090	if (expect_false (!ev_is_active (w)))	4243	if (expect_false (!ev_is_active (w)))
4091	return;	4244	return;
4092		4245
…		…
4102	}	4255	}
4103	#endif	4256	#endif
4104		4257
4105	#if EV_FORK_ENABLE	4258	#if EV_FORK_ENABLE
4106	void	4259	void
4107	ev_fork_start (EV_P_ ev_fork *w)	4260	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4108	{	4261	{
4109	if (expect_false (ev_is_active (w)))	4262	if (expect_false (ev_is_active (w)))
4110	return;	4263	return;
4111		4264
4112	EV_FREQUENT_CHECK;	4265	EV_FREQUENT_CHECK;
…		…
4117		4270
4118	EV_FREQUENT_CHECK;	4271	EV_FREQUENT_CHECK;
4119	}	4272	}
4120		4273
4121	void	4274	void
4122	ev_fork_stop (EV_P_ ev_fork *w)	4275	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4123	{	4276	{
4124	clear_pending (EV_A_ (W)w);	4277	clear_pending (EV_A_ (W)w);
4125	if (expect_false (!ev_is_active (w)))	4278	if (expect_false (!ev_is_active (w)))
4126	return;	4279	return;
4127		4280
…		…
4140	}	4293	}
4141	#endif	4294	#endif
4142		4295
4143	#if EV_CLEANUP_ENABLE	4296	#if EV_CLEANUP_ENABLE
4144	void	4297	void
4145	ev_cleanup_start (EV_P_ ev_cleanup *w)	4298	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4146	{	4299	{
4147	if (expect_false (ev_is_active (w)))	4300	if (expect_false (ev_is_active (w)))
4148	return;	4301	return;
4149		4302
4150	EV_FREQUENT_CHECK;	4303	EV_FREQUENT_CHECK;
…		…
4157	ev_unref (EV_A);	4310	ev_unref (EV_A);
4158	EV_FREQUENT_CHECK;	4311	EV_FREQUENT_CHECK;
4159	}	4312	}
4160		4313
4161	void	4314	void
4162	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4315	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4163	{	4316	{
4164	clear_pending (EV_A_ (W)w);	4317	clear_pending (EV_A_ (W)w);
4165	if (expect_false (!ev_is_active (w)))	4318	if (expect_false (!ev_is_active (w)))
4166	return;	4319	return;
4167		4320
…		…
4181	}	4334	}
4182	#endif	4335	#endif
4183		4336
4184	#if EV_ASYNC_ENABLE	4337	#if EV_ASYNC_ENABLE
4185	void	4338	void
4186	ev_async_start (EV_P_ ev_async *w)	4339	ev_async_start (EV_P_ ev_async *w) EV_THROW
4187	{	4340	{
4188	if (expect_false (ev_is_active (w)))	4341	if (expect_false (ev_is_active (w)))
4189	return;	4342	return;
4190		4343
4191	w->sent = 0;	4344	w->sent = 0;
…		…
4200		4353
4201	EV_FREQUENT_CHECK;	4354	EV_FREQUENT_CHECK;
4202	}	4355	}
4203		4356
4204	void	4357	void
4205	ev_async_stop (EV_P_ ev_async *w)	4358	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4206	{	4359	{
4207	clear_pending (EV_A_ (W)w);	4360	clear_pending (EV_A_ (W)w);
4208	if (expect_false (!ev_is_active (w)))	4361	if (expect_false (!ev_is_active (w)))
4209	return;	4362	return;
4210		4363
…		…
4221		4374
4222	EV_FREQUENT_CHECK;	4375	EV_FREQUENT_CHECK;
4223	}	4376	}
4224		4377
4225	void	4378	void
4226	ev_async_send (EV_P_ ev_async *w)	4379	ev_async_send (EV_P_ ev_async *w) EV_THROW
4227	{	4380	{
4228	w->sent = 1;	4381	w->sent = 1;
4229	evpipe_write (EV_A_ &async_pending);	4382	evpipe_write (EV_A_ &async_pending);
4230	}	4383	}
4231	#endif	4384	#endif
…		…
4268		4421
4269	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));
4270	}	4423	}
4271		4424
4272	void	4425	void
4273	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
4274	{	4427	{
4275	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));
4276		4429
4277	if (expect_false (!once))	4430	if (expect_false (!once))
4278	{	4431	{
…		…
4300		4453
4301	/*****************************************************************************/	4454	/*****************************************************************************/
4302		4455
4303	#if EV_WALK_ENABLE	4456	#if EV_WALK_ENABLE
4304	void ecb_cold	4457	void ecb_cold
4305	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
4306	{	4459	{
4307	int i, j;	4460	int i, j;
4308	ev_watcher_list *wl, *wn;	4461	ev_watcher_list *wl, *wn;
4309		4462
4310	if (types & (EV_IO | EV_EMBED))	4463	if (types & (EV_IO | EV_EMBED))
…		…
4416		4569
4417	#if EV_MULTIPLICITY	4570	#if EV_MULTIPLICITY
4418	#include "ev_wrap.h"	4571	#include "ev_wrap.h"
4419	#endif	4572	#endif
4420		4573
4421	EV_CPP(})
4422

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