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Comparing libev/ev.c (file contents):
Revision 1.409 by root, Sat Feb 4 15:17:34 2012 UTC vs.
Revision 1.451 by root, Tue Jan 22 05:18:28 2013 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	#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
		198
188	#ifndef _WIN32	199	#ifndef _WIN32
189	# include <sys/time.h>	200	# include <sys/time.h>
190	# include <sys/wait.h>	201	# include <sys/wait.h>
191	# include <unistd.h>	202	# include <unistd.h>
192	#else	203	#else
193	# include <io.h>	204	# include <io.h>
194	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
195	# include <windows.h>	207	# include <windows.h>
196	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
197	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
198	# endif	210	# endif
199	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
208	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
209		221
210	/* 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 */
211		223
212	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
213	#if defined (EV_NSIG)	225	#if defined EV_NSIG
214	/* use what's provided */	226	/* use what's provided */
215	#elif defined (NSIG)	227	#elif defined NSIG
216	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
217	#elif defined(_NSIG)	229	#elif defined _NSIG
218	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
219	#elif defined (SIGMAX)	231	#elif defined SIGMAX
220	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
221	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
222	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
223	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
224	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
225	#elif defined (MAXSIG)	237	#elif defined MAXSIG
226	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
227	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
228	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
229	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
230	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
231	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
232	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
233	#else	245	#else
234	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
235	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
236	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
248	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
249	# endif	261	# endif
250	#endif	262	#endif
251		263
252	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
253	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
254	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
255	# else	267	# else
256	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
257	# endif	269	# endif
258	#endif	270	#endif
…		…
348	#endif	360	#endif
349		361
350	/* 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, */
351	/* which makes programs even slower. might work on other unices, too. */	363	/* which makes programs even slower. might work on other unices, too. */
352	#if EV_USE_CLOCK_SYSCALL	364	#if EV_USE_CLOCK_SYSCALL
353	# include <syscall.h>	365	# include <sys/syscall.h>
354	# ifdef SYS_clock_gettime	366	# ifdef SYS_clock_gettime
355	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	367	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
356	# undef EV_USE_MONOTONIC	368	# undef EV_USE_MONOTONIC
357	# define EV_USE_MONOTONIC 1	369	# define EV_USE_MONOTONIC 1
358	# else	370	# else
…		…
384	# define EV_USE_INOTIFY 0	396	# define EV_USE_INOTIFY 0
385	#endif	397	#endif
386		398
387	#if !EV_USE_NANOSLEEP	399	#if !EV_USE_NANOSLEEP
388	/* 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 */
389	# if !defined(_WIN32) && !defined(__hpux)	401	# if !defined _WIN32 && !defined __hpux
390	# include <sys/select.h>	402	# include <sys/select.h>
391	# endif	403	# endif
392	#endif	404	#endif
393		405
394	#if EV_USE_INOTIFY	406	#if EV_USE_INOTIFY
…		…
397	/* 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 */
398	# ifndef IN_DONT_FOLLOW	410	# ifndef IN_DONT_FOLLOW
399	# undef EV_USE_INOTIFY	411	# undef EV_USE_INOTIFY
400	# define EV_USE_INOTIFY 0	412	# define EV_USE_INOTIFY 0
401	# endif	413	# endif
402	#endif
403
404	#if EV_SELECT_IS_WINSOCKET
405	# include <winsock.h>
406	#endif	414	#endif
407		415
408	#if EV_USE_EVENTFD	416	#if EV_USE_EVENTFD
409	/* 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 */
410	# include <stdint.h>	418	# include <stdint.h>
…		…
496	*/	504	*/
497		505
498	#ifndef ECB_H	506	#ifndef ECB_H
499	#define ECB_H	507	#define ECB_H
500		508
		509	/* 16 bits major, 16 bits minor */
		510	#define ECB_VERSION 0x00010002
		511
501	#ifdef _WIN32	512	#ifdef _WIN32
502	typedef signed char int8_t;	513	typedef signed char int8_t;
503	typedef unsigned char uint8_t;	514	typedef unsigned char uint8_t;
504	typedef signed short int16_t;	515	typedef signed short int16_t;
505	typedef unsigned short uint16_t;	516	typedef unsigned short uint16_t;
…		…
510	typedef unsigned long long uint64_t;	521	typedef unsigned long long uint64_t;
511	#else /* _MSC_VER || __BORLANDC__ */	522	#else /* _MSC_VER || __BORLANDC__ */
512	typedef signed __int64 int64_t;	523	typedef signed __int64 int64_t;
513	typedef unsigned __int64 uint64_t;	524	typedef unsigned __int64 uint64_t;
514	#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
515	#else	535	#else
516	#include <inttypes.h>	536	#include <inttypes.h>
		537	#if UINTMAX_MAX > 0xffffffffU
		538	#define ECB_PTRSIZE 8
		539	#else
		540	#define ECB_PTRSIZE 4
		541	#endif
517	#endif	542	#endif
518		543
519	/* many compilers define _GNUC_ to some versions but then only implement	544	/* many compilers define _GNUC_ to some versions but then only implement
520	* what their idiot authors think are the "more important" extensions,	545	* what their idiot authors think are the "more important" extensions,
521	* causing enormous grief in return for some better fake benchmark numbers.	546	* causing enormous grief in return for some better fake benchmark numbers.
522	* or so.	547	* or so.
523	* we try to detect these and simply assume they are not gcc - if they have	548	* we try to detect these and simply assume they are not gcc - if they have
524	* an issue with that they should have done it right in the first place.	549	* an issue with that they should have done it right in the first place.
525	*/	550	*/
526	#ifndef ECB_GCC_VERSION	551	#ifndef ECB_GCC_VERSION
527	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	552	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
528	#define ECB_GCC_VERSION(major,minor) 0	553	#define ECB_GCC_VERSION(major,minor) 0
529	#else	554	#else
530	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	555	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
531	#endif	556	#endif
532	#endif	557	#endif
533		558
		559	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		560	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		561	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		562	#define ECB_CPP (__cplusplus+0)
		563	#define ECB_CPP11 (__cplusplus >= 201103L)
		564
		565	#if ECB_CPP
		566	#define ECB_EXTERN_C extern "C"
		567	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		568	#define ECB_EXTERN_C_END }
		569	#else
		570	#define ECB_EXTERN_C extern
		571	#define ECB_EXTERN_C_BEG
		572	#define ECB_EXTERN_C_END
		573	#endif
		574
534	/*****************************************************************************/	575	/*****************************************************************************/
535		576
536	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	577	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
537	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	578	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
538		579
539	#if ECB_NO_THREADS || ECB_NO_SMP	580	#if ECB_NO_THREADS
		581	#define ECB_NO_SMP 1
		582	#endif
		583
		584	#if ECB_NO_SMP
540	#define ECB_MEMORY_FENCE do { } while (0)	585	#define ECB_MEMORY_FENCE do { } while (0)
541	#endif	586	#endif
542		587
543	#ifndef ECB_MEMORY_FENCE	588	#ifndef ECB_MEMORY_FENCE
544	#if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	589	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
545	#if __i386 || __i386__	590	#if __i386 || __i386__
546	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	591	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
547	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	592	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
548	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	593	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
549	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	594	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
550	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	595	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
551	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	596	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
552	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	597	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
553	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	598	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
554	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	599	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
555	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	600	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
556	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	601	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
557	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	602	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
558	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	603	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
559	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	604	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
560	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	605	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
561	#elif __sparc || __sparc__	606	#elif __sparc || __sparc__
562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")	607	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
563	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
564	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
565	#elif defined(__s390__) || defined(__s390x__)	610	#elif defined __s390__ || defined __s390x__
566	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		612	#elif defined __mips__
		613	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		614	#elif defined __alpha__
		615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		616	#elif defined __hppa__
		617	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		618	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		619	#elif defined __ia64__
		620	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
567	#endif	621	#endif
568	#endif	622	#endif
569	#endif	623	#endif
570		624
571	#ifndef ECB_MEMORY_FENCE	625	#ifndef ECB_MEMORY_FENCE
		626	#if ECB_GCC_VERSION(4,7)
		627	/* see comment below (stdatomic.h) about the C11 memory model. */
		628	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		629
		630	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		631	* without risking compile time errors with other compilers. We *could*
		632	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		633	* around this shit time and again.
		634	* #elif defined __clang && __has_feature (cxx_atomic)
		635	* // see comment below (stdatomic.h) about the C11 memory model.
		636	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		637	*/
		638
572	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)	639	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
573	#define ECB_MEMORY_FENCE __sync_synchronize ()	640	#define ECB_MEMORY_FENCE __sync_synchronize ()
574	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
575	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
576	#elif _MSC_VER >= 1400 /* VC++ 2005 */	641	#elif _MSC_VER >= 1400 /* VC++ 2005 */
577	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	642	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
578	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	643	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
579	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	644	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
580	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	645	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
581	#elif defined(_WIN32)	646	#elif defined _WIN32
582	#include <WinNT.h>	647	#include <WinNT.h>
583	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	648	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
584	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	649	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
585	#include <mbarrier.h>	650	#include <mbarrier.h>
586	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	651	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
587	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	652	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
588	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	653	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		654	#elif __xlC__
		655	#define ECB_MEMORY_FENCE __sync ()
		656	#endif
		657	#endif
		658
		659	#ifndef ECB_MEMORY_FENCE
		660	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		661	/* we assume that these memory fences work on all variables/all memory accesses, */
		662	/* not just C11 atomics and atomic accesses */
		663	#include <stdatomic.h>
		664	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		665	/* any fence other than seq_cst, which isn't very efficient for us. */
		666	/* Why that is, we don't know - either the C11 memory model is quite useless */
		667	/* for most usages, or gcc and clang have a bug */
		668	/* I *currently* lean towards the latter, and inefficiently implement */
		669	/* all three of ecb's fences as a seq_cst fence */
		670	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
589	#endif	671	#endif
590	#endif	672	#endif
591		673
592	#ifndef ECB_MEMORY_FENCE	674	#ifndef ECB_MEMORY_FENCE
593	#if !ECB_AVOID_PTHREADS	675	#if !ECB_AVOID_PTHREADS
…		…
605	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	687	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
606	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	688	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
607	#endif	689	#endif
608	#endif	690	#endif
609		691
610	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	692	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
611	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	693	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
612	#endif	694	#endif
613		695
614	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	696	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
615	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	697	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
616	#endif	698	#endif
617		699
618	/*****************************************************************************/	700	/*****************************************************************************/
619
620	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
621		701
622	#if __cplusplus	702	#if __cplusplus
623	#define ecb_inline static inline	703	#define ecb_inline static inline
624	#elif ECB_GCC_VERSION(2,5)	704	#elif ECB_GCC_VERSION(2,5)
625	#define ecb_inline static __inline__	705	#define ecb_inline static __inline__
…		…
664	#elif ECB_GCC_VERSION(3,0)	744	#elif ECB_GCC_VERSION(3,0)
665	#define ecb_decltype(x) __typeof(x)	745	#define ecb_decltype(x) __typeof(x)
666	#endif	746	#endif
667		747
668	#define ecb_noinline ecb_attribute ((__noinline__))	748	#define ecb_noinline ecb_attribute ((__noinline__))
669	#define ecb_noreturn ecb_attribute ((__noreturn__))
670	#define ecb_unused ecb_attribute ((__unused__))	749	#define ecb_unused ecb_attribute ((__unused__))
671	#define ecb_const ecb_attribute ((__const__))	750	#define ecb_const ecb_attribute ((__const__))
672	#define ecb_pure ecb_attribute ((__pure__))	751	#define ecb_pure ecb_attribute ((__pure__))
		752
		753	#if ECB_C11
		754	#define ecb_noreturn _Noreturn
		755	#else
		756	#define ecb_noreturn ecb_attribute ((__noreturn__))
		757	#endif
673		758
674	#if ECB_GCC_VERSION(4,3)	759	#if ECB_GCC_VERSION(4,3)
675	#define ecb_artificial ecb_attribute ((__artificial__))	760	#define ecb_artificial ecb_attribute ((__artificial__))
676	#define ecb_hot ecb_attribute ((__hot__))	761	#define ecb_hot ecb_attribute ((__hot__))
677	#define ecb_cold ecb_attribute ((__cold__))	762	#define ecb_cold ecb_attribute ((__cold__))
…		…
768		853
769	return r + ecb_ld32 (x);	854	return r + ecb_ld32 (x);
770	}	855	}
771	#endif	856	#endif
772		857
		858	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		859	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		860	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		861	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		862
773	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	863	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
774	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	864	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
775	{	865	{
776	return ( (x * 0x0802U & 0x22110U)	866	return ( (x * 0x0802U & 0x22110U)
777	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	867	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
…		…
861	ecb_inline void ecb_unreachable (void) ecb_noreturn;	951	ecb_inline void ecb_unreachable (void) ecb_noreturn;
862	ecb_inline void ecb_unreachable (void) { }	952	ecb_inline void ecb_unreachable (void) { }
863	#endif	953	#endif
864		954
865	/* try to tell the compiler that some condition is definitely true */	955	/* try to tell the compiler that some condition is definitely true */
866	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	956	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
867		957
868	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	958	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
869	ecb_inline unsigned char	959	ecb_inline unsigned char
870	ecb_byteorder_helper (void)	960	ecb_byteorder_helper (void)
871	{	961	{
872	const uint32_t u = 0x11223344;	962	/* the union code still generates code under pressure in gcc, */
873	return *(unsigned char *)&u;	963	/* but less than using pointers, and always seems to */
		964	/* successfully return a constant. */
		965	/* the reason why we have this horrible preprocessor mess */
		966	/* is to avoid it in all cases, at least on common architectures */
		967	/* or when using a recent enough gcc version (>= 4.6) */
		968	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		969	return 0x44;
		970	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		971	return 0x44;
		972	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		973	return 0x11;
		974	#else
		975	union
		976	{
		977	uint32_t i;
		978	uint8_t c;
		979	} u = { 0x11223344 };
		980	return u.c;
		981	#endif
874	}	982	}
875		983
876	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	984	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
877	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	985	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
878	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	986	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
…		…
909	}	1017	}
910	#else	1018	#else
911	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1019	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
912	#endif	1020	#endif
913		1021
		1022	/*******************************************************************************/
		1023	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1024
		1025	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1026	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1027	#if 0 \
		1028	|| __i386 || __i386__ \
		1029	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1030	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1031	|| defined __arm__ && defined __ARM_EABI__ \
		1032	|| defined __s390__ || defined __s390x__ \
		1033	|| defined __mips__ \
		1034	|| defined __alpha__ \
		1035	|| defined __hppa__ \
		1036	|| defined __ia64__ \
		1037	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1038	#define ECB_STDFP 1
		1039	#include <string.h> /* for memcpy */
		1040	#else
		1041	#define ECB_STDFP 0
		1042	#include <math.h> /* for frexp*, ldexp* */
		1043	#endif
		1044
		1045	#ifndef ECB_NO_LIBM
		1046
		1047	/* convert a float to ieee single/binary32 */
		1048	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1049	ecb_function_ uint32_t
		1050	ecb_float_to_binary32 (float x)
		1051	{
		1052	uint32_t r;
		1053
		1054	#if ECB_STDFP
		1055	memcpy (&r, &x, 4);
		1056	#else
		1057	/* slow emulation, works for anything but -0 */
		1058	uint32_t m;
		1059	int e;
		1060
		1061	if (x == 0e0f ) return 0x00000000U;
		1062	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1063	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1064	if (x != x ) return 0x7fbfffffU;
		1065
		1066	m = frexpf (x, &e) * 0x1000000U;
		1067
		1068	r = m & 0x80000000U;
		1069
		1070	if (r)
		1071	m = -m;
		1072
		1073	if (e <= -126)
		1074	{
		1075	m &= 0xffffffU;
		1076	m >>= (-125 - e);
		1077	e = -126;
		1078	}
		1079
		1080	r |= (e + 126) << 23;
		1081	r |= m & 0x7fffffU;
		1082	#endif
		1083
		1084	return r;
		1085	}
		1086
		1087	/* converts an ieee single/binary32 to a float */
		1088	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1089	ecb_function_ float
		1090	ecb_binary32_to_float (uint32_t x)
		1091	{
		1092	float r;
		1093
		1094	#if ECB_STDFP
		1095	memcpy (&r, &x, 4);
		1096	#else
		1097	/* emulation, only works for normals and subnormals and +0 */
		1098	int neg = x >> 31;
		1099	int e = (x >> 23) & 0xffU;
		1100
		1101	x &= 0x7fffffU;
		1102
		1103	if (e)
		1104	x |= 0x800000U;
		1105	else
		1106	e = 1;
		1107
		1108	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1109	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1110
		1111	r = neg ? -r : r;
		1112	#endif
		1113
		1114	return r;
		1115	}
		1116
		1117	/* convert a double to ieee double/binary64 */
		1118	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1119	ecb_function_ uint64_t
		1120	ecb_double_to_binary64 (double x)
		1121	{
		1122	uint64_t r;
		1123
		1124	#if ECB_STDFP
		1125	memcpy (&r, &x, 8);
		1126	#else
		1127	/* slow emulation, works for anything but -0 */
		1128	uint64_t m;
		1129	int e;
		1130
		1131	if (x == 0e0 ) return 0x0000000000000000U;
		1132	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1133	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1134	if (x != x ) return 0X7ff7ffffffffffffU;
		1135
		1136	m = frexp (x, &e) * 0x20000000000000U;
		1137
		1138	r = m & 0x8000000000000000;;
		1139
		1140	if (r)
		1141	m = -m;
		1142
		1143	if (e <= -1022)
		1144	{
		1145	m &= 0x1fffffffffffffU;
		1146	m >>= (-1021 - e);
		1147	e = -1022;
		1148	}
		1149
		1150	r |= ((uint64_t)(e + 1022)) << 52;
		1151	r |= m & 0xfffffffffffffU;
		1152	#endif
		1153
		1154	return r;
		1155	}
		1156
		1157	/* converts an ieee double/binary64 to a double */
		1158	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1159	ecb_function_ double
		1160	ecb_binary64_to_double (uint64_t x)
		1161	{
		1162	double r;
		1163
		1164	#if ECB_STDFP
		1165	memcpy (&r, &x, 8);
		1166	#else
		1167	/* emulation, only works for normals and subnormals and +0 */
		1168	int neg = x >> 63;
		1169	int e = (x >> 52) & 0x7ffU;
		1170
		1171	x &= 0xfffffffffffffU;
		1172
		1173	if (e)
		1174	x |= 0x10000000000000U;
		1175	else
		1176	e = 1;
		1177
		1178	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1179	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1180
		1181	r = neg ? -r : r;
		1182	#endif
		1183
		1184	return r;
		1185	}
		1186
		1187	#endif
		1188
914	#endif	1189	#endif
915		1190
916	/* ECB.H END */	1191	/* ECB.H END */
917		1192
918	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1193	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
…		…
1084	{	1359	{
1085	write (STDERR_FILENO, msg, strlen (msg));	1360	write (STDERR_FILENO, msg, strlen (msg));
1086	}	1361	}
1087	#endif	1362	#endif
1088		1363
1089	static void (*syserr_cb)(const char *msg);	1364	static void (*syserr_cb)(const char *msg) EV_THROW;
1090		1365
1091	void ecb_cold	1366	void ecb_cold
1092	ev_set_syserr_cb (void (*cb)(const char *msg))	1367	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1093	{	1368	{
1094	syserr_cb = cb;	1369	syserr_cb = cb;
1095	}	1370	}
1096		1371
1097	static void noinline ecb_cold	1372	static void noinline ecb_cold
…		…
1115	abort ();	1390	abort ();
1116	}	1391	}
1117	}	1392	}
1118		1393
1119	static void *	1394	static void *
1120	ev_realloc_emul (void *ptr, long size)	1395	ev_realloc_emul (void *ptr, long size) EV_THROW
1121	{	1396	{
1122	#if __GLIBC__
1123	return realloc (ptr, size);
1124	#else
1125	/* some systems, notably openbsd and darwin, fail to properly	1397	/* some systems, notably openbsd and darwin, fail to properly
1126	* implement realloc (x, 0) (as required by both ansi c-89 and	1398	* implement realloc (x, 0) (as required by both ansi c-89 and
1127	* the single unix specification, so work around them here.	1399	* the single unix specification, so work around them here.
		1400	* recently, also (at least) fedora and debian started breaking it,
		1401	* despite documenting it otherwise.
1128	*/	1402	*/
1129		1403
1130	if (size)	1404	if (size)
1131	return realloc (ptr, size);	1405	return realloc (ptr, size);
1132		1406
1133	free (ptr);	1407	free (ptr);
1134	return 0;	1408	return 0;
1135	#endif
1136	}	1409	}
1137		1410
1138	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1411	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1139		1412
1140	void ecb_cold	1413	void ecb_cold
1141	ev_set_allocator (void *(*cb)(void *ptr, long size))	1414	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1142	{	1415	{
1143	alloc = cb;	1416	alloc = cb;
1144	}	1417	}
1145		1418
1146	inline_speed void *	1419	inline_speed void *
…		…
1263		1536
1264	/*****************************************************************************/	1537	/*****************************************************************************/
1265		1538
1266	#ifndef EV_HAVE_EV_TIME	1539	#ifndef EV_HAVE_EV_TIME
1267	ev_tstamp	1540	ev_tstamp
1268	ev_time (void)	1541	ev_time (void) EV_THROW
1269	{	1542	{
1270	#if EV_USE_REALTIME	1543	#if EV_USE_REALTIME
1271	if (expect_true (have_realtime))	1544	if (expect_true (have_realtime))
1272	{	1545	{
1273	struct timespec ts;	1546	struct timespec ts;
…		…
1297	return ev_time ();	1570	return ev_time ();
1298	}	1571	}
1299		1572
1300	#if EV_MULTIPLICITY	1573	#if EV_MULTIPLICITY
1301	ev_tstamp	1574	ev_tstamp
1302	ev_now (EV_P)	1575	ev_now (EV_P) EV_THROW
1303	{	1576	{
1304	return ev_rt_now;	1577	return ev_rt_now;
1305	}	1578	}
1306	#endif	1579	#endif
1307		1580
1308	void	1581	void
1309	ev_sleep (ev_tstamp delay)	1582	ev_sleep (ev_tstamp delay) EV_THROW
1310	{	1583	{
1311	if (delay > 0.)	1584	if (delay > 0.)
1312	{	1585	{
1313	#if EV_USE_NANOSLEEP	1586	#if EV_USE_NANOSLEEP
1314	struct timespec ts;	1587	struct timespec ts;
1315		1588
1316	EV_TS_SET (ts, delay);	1589	EV_TS_SET (ts, delay);
1317	nanosleep (&ts, 0);	1590	nanosleep (&ts, 0);
1318	#elif defined(_WIN32)	1591	#elif defined _WIN32
1319	Sleep ((unsigned long)(delay * 1e3));	1592	Sleep ((unsigned long)(delay * 1e3));
1320	#else	1593	#else
1321	struct timeval tv;	1594	struct timeval tv;
1322		1595
1323	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1596	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1395	pendingcb (EV_P_ ev_prepare *w, int revents)	1668	pendingcb (EV_P_ ev_prepare *w, int revents)
1396	{	1669	{
1397	}	1670	}
1398		1671
1399	void noinline	1672	void noinline
1400	ev_feed_event (EV_P_ void *w, int revents)	1673	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1401	{	1674	{
1402	W w_ = (W)w;	1675	W w_ = (W)w;
1403	int pri = ABSPRI (w_);	1676	int pri = ABSPRI (w_);
1404		1677
1405	if (expect_false (w_->pending))	1678	if (expect_false (w_->pending))
…		…
1409	w_->pending = ++pendingcnt [pri];	1682	w_->pending = ++pendingcnt [pri];
1410	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1683	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1411	pendings [pri][w_->pending - 1].w = w_;	1684	pendings [pri][w_->pending - 1].w = w_;
1412	pendings [pri][w_->pending - 1].events = revents;	1685	pendings [pri][w_->pending - 1].events = revents;
1413	}	1686	}
		1687
		1688	pendingpri = NUMPRI - 1;
1414	}	1689	}
1415		1690
1416	inline_speed void	1691	inline_speed void
1417	feed_reverse (EV_P_ W w)	1692	feed_reverse (EV_P_ W w)
1418	{	1693	{
…		…
1464	if (expect_true (!anfd->reify))	1739	if (expect_true (!anfd->reify))
1465	fd_event_nocheck (EV_A_ fd, revents);	1740	fd_event_nocheck (EV_A_ fd, revents);
1466	}	1741	}
1467		1742
1468	void	1743	void
1469	ev_feed_fd_event (EV_P_ int fd, int revents)	1744	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1470	{	1745	{
1471	if (fd >= 0 && fd < anfdmax)	1746	if (fd >= 0 && fd < anfdmax)
1472	fd_event_nocheck (EV_A_ fd, revents);	1747	fd_event_nocheck (EV_A_ fd, revents);
1473	}	1748	}
1474		1749
…		…
1793	static void noinline ecb_cold	2068	static void noinline ecb_cold
1794	evpipe_init (EV_P)	2069	evpipe_init (EV_P)
1795	{	2070	{
1796	if (!ev_is_active (&pipe_w))	2071	if (!ev_is_active (&pipe_w))
1797	{	2072	{
		2073	int fds [2];
		2074
1798	# if EV_USE_EVENTFD	2075	# if EV_USE_EVENTFD
		2076	fds [0] = -1;
1799	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2077	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1800	if (evfd < 0 && errno == EINVAL)	2078	if (fds [1] < 0 && errno == EINVAL)
1801	evfd = eventfd (0, 0);	2079	fds [1] = eventfd (0, 0);
1802		2080
1803	if (evfd >= 0)	2081	if (fds [1] < 0)
		2082	# endif
1804	{	2083	{
		2084	while (pipe (fds))
		2085	ev_syserr ("(libev) error creating signal/async pipe");
		2086
		2087	fd_intern (fds [0]);
		2088	}
		2089
		2090	fd_intern (fds [1]);
		2091
1805	evpipe [0] = -1;	2092	evpipe [0] = fds [0];
1806	fd_intern (evfd); /* doing it twice doesn't hurt */	2093
1807	ev_io_set (&pipe_w, evfd, EV_READ);	2094	if (evpipe [1] < 0)
		2095	evpipe [1] = fds [1]; /* first call, set write fd */
		2096	else
		2097	{
		2098	/* on subsequent calls, do not change evpipe [1] */
		2099	/* so that evpipe_write can always rely on its value. */
		2100	/* this branch does not do anything sensible on windows, */
		2101	/* so must not be executed on windows */
		2102
		2103	dup2 (fds [1], evpipe [1]);
		2104	close (fds [1]);
		2105	}
		2106
		2107	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2108	ev_io_start (EV_A_ &pipe_w);
		2109	ev_unref (EV_A); /* watcher should not keep loop alive */
		2110	}
		2111	}
		2112
		2113	inline_speed void
		2114	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2115	{
		2116	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2117
		2118	if (expect_true (*flag))
		2119	return;
		2120
		2121	*flag = 1;
		2122	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2123
		2124	pipe_write_skipped = 1;
		2125
		2126	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2127
		2128	if (pipe_write_wanted)
		2129	{
		2130	int old_errno;
		2131
		2132	pipe_write_skipped = 0;
		2133	ECB_MEMORY_FENCE_RELEASE;
		2134
		2135	old_errno = errno; /* save errno because write will clobber it */
		2136
		2137	#if EV_USE_EVENTFD
		2138	if (evpipe [0] < 0)
		2139	{
		2140	uint64_t counter = 1;
		2141	write (evpipe [1], &counter, sizeof (uint64_t));
1808	}	2142	}
1809	else	2143	else
1810	# endif	2144	#endif
1811	{	2145	{
1812	while (pipe (evpipe))	2146	#ifdef _WIN32
1813	ev_syserr ("(libev) error creating signal/async pipe");	2147	WSABUF buf;
1814		2148	DWORD sent;
1815	fd_intern (evpipe [0]);	2149	buf.buf = &buf;
1816	fd_intern (evpipe [1]);	2150	buf.len = 1;
1817	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2151	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1818	}	2152	#else
1819
1820	ev_io_start (EV_A_ &pipe_w);
1821	ev_unref (EV_A); /* watcher should not keep loop alive */
1822	}
1823	}
1824
1825	inline_speed void
1826	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1827	{
1828	if (expect_true (*flag))
1829	return;
1830
1831	*flag = 1;
1832
1833	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1834
1835	pipe_write_skipped = 1;
1836
1837	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1838
1839	if (pipe_write_wanted)
1840	{
1841	int old_errno;
1842
1843	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1844
1845	old_errno = errno; /* save errno because write will clobber it */
1846
1847	#if EV_USE_EVENTFD
1848	if (evfd >= 0)
1849	{
1850	uint64_t counter = 1;
1851	write (evfd, &counter, sizeof (uint64_t));
1852	}
1853	else
1854	#endif
1855	{
1856	/* win32 people keep sending patches that change this write() to send() */
1857	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1858	/* so when you think this write should be a send instead, please find out */
1859	/* where your send() is from - it's definitely not the microsoft send, and */
1860	/* tell me. thank you. */
1861	write (evpipe [1], &(evpipe [1]), 1);	2153	write (evpipe [1], &(evpipe [1]), 1);
		2154	#endif
1862	}	2155	}
1863		2156
1864	errno = old_errno;	2157	errno = old_errno;
1865	}	2158	}
1866	}	2159	}
…		…
1873	int i;	2166	int i;
1874		2167
1875	if (revents & EV_READ)	2168	if (revents & EV_READ)
1876	{	2169	{
1877	#if EV_USE_EVENTFD	2170	#if EV_USE_EVENTFD
1878	if (evfd >= 0)	2171	if (evpipe [0] < 0)
1879	{	2172	{
1880	uint64_t counter;	2173	uint64_t counter;
1881	read (evfd, &counter, sizeof (uint64_t));	2174	read (evpipe [1], &counter, sizeof (uint64_t));
1882	}	2175	}
1883	else	2176	else
1884	#endif	2177	#endif
1885	{	2178	{
1886	char dummy;	2179	char dummy[4];
1887	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2180	#ifdef _WIN32
		2181	WSABUF buf;
		2182	DWORD recvd;
		2183	DWORD flags = 0;
		2184	buf.buf = dummy;
		2185	buf.len = sizeof (dummy);
		2186	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2187	#else
1888	read (evpipe [0], &dummy, 1);	2188	read (evpipe [0], &dummy, sizeof (dummy));
		2189	#endif
1889	}	2190	}
1890	}	2191	}
1891		2192
1892	pipe_write_skipped = 0;	2193	pipe_write_skipped = 0;
		2194
		2195	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1893		2196
1894	#if EV_SIGNAL_ENABLE	2197	#if EV_SIGNAL_ENABLE
1895	if (sig_pending)	2198	if (sig_pending)
1896	{	2199	{
1897	sig_pending = 0;	2200	sig_pending = 0;
		2201
		2202	ECB_MEMORY_FENCE;
1898		2203
1899	for (i = EV_NSIG - 1; i--; )	2204	for (i = EV_NSIG - 1; i--; )
1900	if (expect_false (signals [i].pending))	2205	if (expect_false (signals [i].pending))
1901	ev_feed_signal_event (EV_A_ i + 1);	2206	ev_feed_signal_event (EV_A_ i + 1);
1902	}	2207	}
…		…
1904		2209
1905	#if EV_ASYNC_ENABLE	2210	#if EV_ASYNC_ENABLE
1906	if (async_pending)	2211	if (async_pending)
1907	{	2212	{
1908	async_pending = 0;	2213	async_pending = 0;
		2214
		2215	ECB_MEMORY_FENCE;
1909		2216
1910	for (i = asynccnt; i--; )	2217	for (i = asynccnt; i--; )
1911	if (asyncs [i]->sent)	2218	if (asyncs [i]->sent)
1912	{	2219	{
1913	asyncs [i]->sent = 0;	2220	asyncs [i]->sent = 0;
		2221	ECB_MEMORY_FENCE_RELEASE;
1914	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2222	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1915	}	2223	}
1916	}	2224	}
1917	#endif	2225	#endif
1918	}	2226	}
1919		2227
1920	/*****************************************************************************/	2228	/*****************************************************************************/
1921		2229
1922	void	2230	void
1923	ev_feed_signal (int signum)	2231	ev_feed_signal (int signum) EV_THROW
1924	{	2232	{
1925	#if EV_MULTIPLICITY	2233	#if EV_MULTIPLICITY
		2234	ECB_MEMORY_FENCE_ACQUIRE;
1926	EV_P = signals [signum - 1].loop;	2235	EV_P = signals [signum - 1].loop;
1927		2236
1928	if (!EV_A)	2237	if (!EV_A)
1929	return;	2238	return;
1930	#endif	2239	#endif
1931		2240
1932	if (!ev_active (&pipe_w))
1933	return;
1934
1935	signals [signum - 1].pending = 1;	2241	signals [signum - 1].pending = 1;
1936	evpipe_write (EV_A_ &sig_pending);	2242	evpipe_write (EV_A_ &sig_pending);
1937	}	2243	}
1938		2244
1939	static void	2245	static void
…		…
1945		2251
1946	ev_feed_signal (signum);	2252	ev_feed_signal (signum);
1947	}	2253	}
1948		2254
1949	void noinline	2255	void noinline
1950	ev_feed_signal_event (EV_P_ int signum)	2256	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1951	{	2257	{
1952	WL w;	2258	WL w;
1953		2259
1954	if (expect_false (signum <= 0 || signum > EV_NSIG))	2260	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1955	return;	2261	return;
1956		2262
1957	--signum;	2263	--signum;
1958		2264
1959	#if EV_MULTIPLICITY	2265	#if EV_MULTIPLICITY
…		…
1963	if (expect_false (signals [signum].loop != EV_A))	2269	if (expect_false (signals [signum].loop != EV_A))
1964	return;	2270	return;
1965	#endif	2271	#endif
1966		2272
1967	signals [signum].pending = 0;	2273	signals [signum].pending = 0;
		2274	ECB_MEMORY_FENCE_RELEASE;
1968		2275
1969	for (w = signals [signum].head; w; w = w->next)	2276	for (w = signals [signum].head; w; w = w->next)
1970	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2277	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1971	}	2278	}
1972		2279
…		…
2071	#if EV_USE_SELECT	2378	#if EV_USE_SELECT
2072	# include "ev_select.c"	2379	# include "ev_select.c"
2073	#endif	2380	#endif
2074		2381
2075	int ecb_cold	2382	int ecb_cold
2076	ev_version_major (void)	2383	ev_version_major (void) EV_THROW
2077	{	2384	{
2078	return EV_VERSION_MAJOR;	2385	return EV_VERSION_MAJOR;
2079	}	2386	}
2080		2387
2081	int ecb_cold	2388	int ecb_cold
2082	ev_version_minor (void)	2389	ev_version_minor (void) EV_THROW
2083	{	2390	{
2084	return EV_VERSION_MINOR;	2391	return EV_VERSION_MINOR;
2085	}	2392	}
2086		2393
2087	/* return true if we are running with elevated privileges and should ignore env variables */	2394	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2095	|| getgid () != getegid ();	2402	|| getgid () != getegid ();
2096	#endif	2403	#endif
2097	}	2404	}
2098		2405
2099	unsigned int ecb_cold	2406	unsigned int ecb_cold
2100	ev_supported_backends (void)	2407	ev_supported_backends (void) EV_THROW
2101	{	2408	{
2102	unsigned int flags = 0;	2409	unsigned int flags = 0;
2103		2410
2104	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2411	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2105	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2412	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2109		2416
2110	return flags;	2417	return flags;
2111	}	2418	}
2112		2419
2113	unsigned int ecb_cold	2420	unsigned int ecb_cold
2114	ev_recommended_backends (void)	2421	ev_recommended_backends (void) EV_THROW
2115	{	2422	{
2116	unsigned int flags = ev_supported_backends ();	2423	unsigned int flags = ev_supported_backends ();
2117		2424
2118	#ifndef __NetBSD__	2425	#ifndef __NetBSD__
2119	/* kqueue is borked on everything but netbsd apparently */	2426	/* kqueue is borked on everything but netbsd apparently */
…		…
2131		2438
2132	return flags;	2439	return flags;
2133	}	2440	}
2134		2441
2135	unsigned int ecb_cold	2442	unsigned int ecb_cold
2136	ev_embeddable_backends (void)	2443	ev_embeddable_backends (void) EV_THROW
2137	{	2444	{
2138	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2445	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2139		2446
2140	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2447	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2141	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2448	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2143		2450
2144	return flags;	2451	return flags;
2145	}	2452	}
2146		2453
2147	unsigned int	2454	unsigned int
2148	ev_backend (EV_P)	2455	ev_backend (EV_P) EV_THROW
2149	{	2456	{
2150	return backend;	2457	return backend;
2151	}	2458	}
2152		2459
2153	#if EV_FEATURE_API	2460	#if EV_FEATURE_API
2154	unsigned int	2461	unsigned int
2155	ev_iteration (EV_P)	2462	ev_iteration (EV_P) EV_THROW
2156	{	2463	{
2157	return loop_count;	2464	return loop_count;
2158	}	2465	}
2159		2466
2160	unsigned int	2467	unsigned int
2161	ev_depth (EV_P)	2468	ev_depth (EV_P) EV_THROW
2162	{	2469	{
2163	return loop_depth;	2470	return loop_depth;
2164	}	2471	}
2165		2472
2166	void	2473	void
2167	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2474	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2168	{	2475	{
2169	io_blocktime = interval;	2476	io_blocktime = interval;
2170	}	2477	}
2171		2478
2172	void	2479	void
2173	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2480	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2174	{	2481	{
2175	timeout_blocktime = interval;	2482	timeout_blocktime = interval;
2176	}	2483	}
2177		2484
2178	void	2485	void
2179	ev_set_userdata (EV_P_ void *data)	2486	ev_set_userdata (EV_P_ void *data) EV_THROW
2180	{	2487	{
2181	userdata = data;	2488	userdata = data;
2182	}	2489	}
2183		2490
2184	void *	2491	void *
2185	ev_userdata (EV_P)	2492	ev_userdata (EV_P) EV_THROW
2186	{	2493	{
2187	return userdata;	2494	return userdata;
2188	}	2495	}
2189		2496
2190	void	2497	void
2191	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2498	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2192	{	2499	{
2193	invoke_cb = invoke_pending_cb;	2500	invoke_cb = invoke_pending_cb;
2194	}	2501	}
2195		2502
2196	void	2503	void
2197	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2504	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2198	{	2505	{
2199	release_cb = release;	2506	release_cb = release;
2200	acquire_cb = acquire;	2507	acquire_cb = acquire;
2201	}	2508	}
2202	#endif	2509	#endif
2203		2510
2204	/* initialise a loop structure, must be zero-initialised */	2511	/* initialise a loop structure, must be zero-initialised */
2205	static void noinline ecb_cold	2512	static void noinline ecb_cold
2206	loop_init (EV_P_ unsigned int flags)	2513	loop_init (EV_P_ unsigned int flags) EV_THROW
2207	{	2514	{
2208	if (!backend)	2515	if (!backend)
2209	{	2516	{
2210	origflags = flags;	2517	origflags = flags;
2211		2518
…		…
2256	#if EV_ASYNC_ENABLE	2563	#if EV_ASYNC_ENABLE
2257	async_pending = 0;	2564	async_pending = 0;
2258	#endif	2565	#endif
2259	pipe_write_skipped = 0;	2566	pipe_write_skipped = 0;
2260	pipe_write_wanted = 0;	2567	pipe_write_wanted = 0;
		2568	evpipe [0] = -1;
		2569	evpipe [1] = -1;
2261	#if EV_USE_INOTIFY	2570	#if EV_USE_INOTIFY
2262	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2571	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2263	#endif	2572	#endif
2264	#if EV_USE_SIGNALFD	2573	#if EV_USE_SIGNALFD
2265	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2574	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2316	EV_INVOKE_PENDING;	2625	EV_INVOKE_PENDING;
2317	}	2626	}
2318	#endif	2627	#endif
2319		2628
2320	#if EV_CHILD_ENABLE	2629	#if EV_CHILD_ENABLE
2321	if (ev_is_active (&childev))	2630	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2322	{	2631	{
2323	ev_ref (EV_A); /* child watcher */	2632	ev_ref (EV_A); /* child watcher */
2324	ev_signal_stop (EV_A_ &childev);	2633	ev_signal_stop (EV_A_ &childev);
2325	}	2634	}
2326	#endif	2635	#endif
…		…
2328	if (ev_is_active (&pipe_w))	2637	if (ev_is_active (&pipe_w))
2329	{	2638	{
2330	/*ev_ref (EV_A);*/	2639	/*ev_ref (EV_A);*/
2331	/*ev_io_stop (EV_A_ &pipe_w);*/	2640	/*ev_io_stop (EV_A_ &pipe_w);*/
2332		2641
2333	#if EV_USE_EVENTFD
2334	if (evfd >= 0)
2335	close (evfd);
2336	#endif
2337
2338	if (evpipe [0] >= 0)
2339	{
2340	EV_WIN32_CLOSE_FD (evpipe [0]);	2642	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2341	EV_WIN32_CLOSE_FD (evpipe [1]);	2643	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2342	}
2343	}	2644	}
2344		2645
2345	#if EV_USE_SIGNALFD	2646	#if EV_USE_SIGNALFD
2346	if (ev_is_active (&sigfd_w))	2647	if (ev_is_active (&sigfd_w))
2347	close (sigfd);	2648	close (sigfd);
…		…
2433	#endif	2734	#endif
2434	#if EV_USE_INOTIFY	2735	#if EV_USE_INOTIFY
2435	infy_fork (EV_A);	2736	infy_fork (EV_A);
2436	#endif	2737	#endif
2437		2738
		2739	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2438	if (ev_is_active (&pipe_w))	2740	if (ev_is_active (&pipe_w))
2439	{	2741	{
2440	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2742	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2441		2743
2442	ev_ref (EV_A);	2744	ev_ref (EV_A);
2443	ev_io_stop (EV_A_ &pipe_w);	2745	ev_io_stop (EV_A_ &pipe_w);
2444		2746
2445	#if EV_USE_EVENTFD
2446	if (evfd >= 0)
2447	close (evfd);
2448	#endif
2449
2450	if (evpipe [0] >= 0)	2747	if (evpipe [0] >= 0)
2451	{
2452	EV_WIN32_CLOSE_FD (evpipe [0]);	2748	EV_WIN32_CLOSE_FD (evpipe [0]);
2453	EV_WIN32_CLOSE_FD (evpipe [1]);
2454	}
2455		2749
2456	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2457	evpipe_init (EV_A);	2750	evpipe_init (EV_A);
2458	/* now iterate over everything, in case we missed something */	2751	/* iterate over everything, in case we missed something before */
2459	pipecb (EV_A_ &pipe_w, EV_READ);	2752	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2460	#endif
2461	}	2753	}
		2754	#endif
2462		2755
2463	postfork = 0;	2756	postfork = 0;
2464	}	2757	}
2465		2758
2466	#if EV_MULTIPLICITY	2759	#if EV_MULTIPLICITY
2467		2760
2468	struct ev_loop * ecb_cold	2761	struct ev_loop * ecb_cold
2469	ev_loop_new (unsigned int flags)	2762	ev_loop_new (unsigned int flags) EV_THROW
2470	{	2763	{
2471	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2764	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2472		2765
2473	memset (EV_A, 0, sizeof (struct ev_loop));	2766	memset (EV_A, 0, sizeof (struct ev_loop));
2474	loop_init (EV_A_ flags);	2767	loop_init (EV_A_ flags);
…		…
2518	}	2811	}
2519	#endif	2812	#endif
2520		2813
2521	#if EV_FEATURE_API	2814	#if EV_FEATURE_API
2522	void ecb_cold	2815	void ecb_cold
2523	ev_verify (EV_P)	2816	ev_verify (EV_P) EV_THROW
2524	{	2817	{
2525	#if EV_VERIFY	2818	#if EV_VERIFY
2526	int i;	2819	int i;
2527	WL w;	2820	WL w, w2;
2528		2821
2529	assert (activecnt >= -1);	2822	assert (activecnt >= -1);
2530		2823
2531	assert (fdchangemax >= fdchangecnt);	2824	assert (fdchangemax >= fdchangecnt);
2532	for (i = 0; i < fdchangecnt; ++i)	2825	for (i = 0; i < fdchangecnt; ++i)
2533	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2826	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2534		2827
2535	assert (anfdmax >= 0);	2828	assert (anfdmax >= 0);
2536	for (i = 0; i < anfdmax; ++i)	2829	for (i = 0; i < anfdmax; ++i)
		2830	{
		2831	int j = 0;
		2832
2537	for (w = anfds [i].head; w; w = w->next)	2833	for (w = w2 = anfds [i].head; w; w = w->next)
2538	{	2834	{
2539	verify_watcher (EV_A_ (W)w);	2835	verify_watcher (EV_A_ (W)w);
		2836
		2837	if (j++ & 1)
		2838	{
		2839	assert (("libev: io watcher list contains a loop", w != w2));
		2840	w2 = w2->next;
		2841	}
		2842
2540	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2843	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2541	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2844	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2542	}	2845	}
		2846	}
2543		2847
2544	assert (timermax >= timercnt);	2848	assert (timermax >= timercnt);
2545	verify_heap (EV_A_ timers, timercnt);	2849	verify_heap (EV_A_ timers, timercnt);
2546		2850
2547	#if EV_PERIODIC_ENABLE	2851	#if EV_PERIODIC_ENABLE
…		…
2597	#if EV_MULTIPLICITY	2901	#if EV_MULTIPLICITY
2598	struct ev_loop * ecb_cold	2902	struct ev_loop * ecb_cold
2599	#else	2903	#else
2600	int	2904	int
2601	#endif	2905	#endif
2602	ev_default_loop (unsigned int flags)	2906	ev_default_loop (unsigned int flags) EV_THROW
2603	{	2907	{
2604	if (!ev_default_loop_ptr)	2908	if (!ev_default_loop_ptr)
2605	{	2909	{
2606	#if EV_MULTIPLICITY	2910	#if EV_MULTIPLICITY
2607	EV_P = ev_default_loop_ptr = &default_loop_struct;	2911	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2626		2930
2627	return ev_default_loop_ptr;	2931	return ev_default_loop_ptr;
2628	}	2932	}
2629		2933
2630	void	2934	void
2631	ev_loop_fork (EV_P)	2935	ev_loop_fork (EV_P) EV_THROW
2632	{	2936	{
2633	postfork = 1; /* must be in line with ev_default_fork */	2937	postfork = 1;
2634	}	2938	}
2635		2939
2636	/*****************************************************************************/	2940	/*****************************************************************************/
2637		2941
2638	void	2942	void
…		…
2640	{	2944	{
2641	EV_CB_INVOKE ((W)w, revents);	2945	EV_CB_INVOKE ((W)w, revents);
2642	}	2946	}
2643		2947
2644	unsigned int	2948	unsigned int
2645	ev_pending_count (EV_P)	2949	ev_pending_count (EV_P) EV_THROW
2646	{	2950	{
2647	int pri;	2951	int pri;
2648	unsigned int count = 0;	2952	unsigned int count = 0;
2649		2953
2650	for (pri = NUMPRI; pri--; )	2954	for (pri = NUMPRI; pri--; )
…		…
2654	}	2958	}
2655		2959
2656	void noinline	2960	void noinline
2657	ev_invoke_pending (EV_P)	2961	ev_invoke_pending (EV_P)
2658	{	2962	{
2659	int pri;	2963	pendingpri = NUMPRI;
2660		2964
2661	for (pri = NUMPRI; pri--; )	2965	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2966	{
		2967	--pendingpri;
		2968
2662	while (pendingcnt [pri])	2969	while (pendingcnt [pendingpri])
2663	{	2970	{
2664	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2971	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2665		2972
2666	p->w->pending = 0;	2973	p->w->pending = 0;
2667	EV_CB_INVOKE (p->w, p->events);	2974	EV_CB_INVOKE (p->w, p->events);
2668	EV_FREQUENT_CHECK;	2975	EV_FREQUENT_CHECK;
2669	}	2976	}
		2977	}
2670	}	2978	}
2671		2979
2672	#if EV_IDLE_ENABLE	2980	#if EV_IDLE_ENABLE
2673	/* make idle watchers pending. this handles the "call-idle */	2981	/* make idle watchers pending. this handles the "call-idle */
2674	/* only when higher priorities are idle" logic */	2982	/* only when higher priorities are idle" logic */
…		…
2764	{	3072	{
2765	EV_FREQUENT_CHECK;	3073	EV_FREQUENT_CHECK;
2766		3074
2767	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3075	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2768	{	3076	{
2769	int feed_count = 0;
2770
2771	do	3077	do
2772	{	3078	{
2773	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3079	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2774		3080
2775	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3081	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2909		3215
2910	mn_now = ev_rt_now;	3216	mn_now = ev_rt_now;
2911	}	3217	}
2912	}	3218	}
2913		3219
2914	void	3220	int
2915	ev_run (EV_P_ int flags)	3221	ev_run (EV_P_ int flags)
2916	{	3222	{
2917	#if EV_FEATURE_API	3223	#if EV_FEATURE_API
2918	++loop_depth;	3224	++loop_depth;
2919	#endif	3225	#endif
…		…
3034	backend_poll (EV_A_ waittime);	3340	backend_poll (EV_A_ waittime);
3035	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3341	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3036		3342
3037	pipe_write_wanted = 0; /* just an optimisation, no fence needed */	3343	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3038		3344
		3345	ECB_MEMORY_FENCE_ACQUIRE;
3039	if (pipe_write_skipped)	3346	if (pipe_write_skipped)
3040	{	3347	{
3041	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3348	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3042	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3349	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3043	}	3350	}
…		…
3076	loop_done = EVBREAK_CANCEL;	3383	loop_done = EVBREAK_CANCEL;
3077		3384
3078	#if EV_FEATURE_API	3385	#if EV_FEATURE_API
3079	--loop_depth;	3386	--loop_depth;
3080	#endif	3387	#endif
		3388
		3389	return activecnt;
3081	}	3390	}
3082		3391
3083	void	3392	void
3084	ev_break (EV_P_ int how)	3393	ev_break (EV_P_ int how) EV_THROW
3085	{	3394	{
3086	loop_done = how;	3395	loop_done = how;
3087	}	3396	}
3088		3397
3089	void	3398	void
3090	ev_ref (EV_P)	3399	ev_ref (EV_P) EV_THROW
3091	{	3400	{
3092	++activecnt;	3401	++activecnt;
3093	}	3402	}
3094		3403
3095	void	3404	void
3096	ev_unref (EV_P)	3405	ev_unref (EV_P) EV_THROW
3097	{	3406	{
3098	--activecnt;	3407	--activecnt;
3099	}	3408	}
3100		3409
3101	void	3410	void
3102	ev_now_update (EV_P)	3411	ev_now_update (EV_P) EV_THROW
3103	{	3412	{
3104	time_update (EV_A_ 1e100);	3413	time_update (EV_A_ 1e100);
3105	}	3414	}
3106		3415
3107	void	3416	void
3108	ev_suspend (EV_P)	3417	ev_suspend (EV_P) EV_THROW
3109	{	3418	{
3110	ev_now_update (EV_A);	3419	ev_now_update (EV_A);
3111	}	3420	}
3112		3421
3113	void	3422	void
3114	ev_resume (EV_P)	3423	ev_resume (EV_P) EV_THROW
3115	{	3424	{
3116	ev_tstamp mn_prev = mn_now;	3425	ev_tstamp mn_prev = mn_now;
3117		3426
3118	ev_now_update (EV_A);	3427	ev_now_update (EV_A);
3119	timers_reschedule (EV_A_ mn_now - mn_prev);	3428	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3158	w->pending = 0;	3467	w->pending = 0;
3159	}	3468	}
3160	}	3469	}
3161		3470
3162	int	3471	int
3163	ev_clear_pending (EV_P_ void *w)	3472	ev_clear_pending (EV_P_ void *w) EV_THROW
3164	{	3473	{
3165	W w_ = (W)w;	3474	W w_ = (W)w;
3166	int pending = w_->pending;	3475	int pending = w_->pending;
3167		3476
3168	if (expect_true (pending))	3477	if (expect_true (pending))
…		…
3201	}	3510	}
3202		3511
3203	/*****************************************************************************/	3512	/*****************************************************************************/
3204		3513
3205	void noinline	3514	void noinline
3206	ev_io_start (EV_P_ ev_io *w)	3515	ev_io_start (EV_P_ ev_io *w) EV_THROW
3207	{	3516	{
3208	int fd = w->fd;	3517	int fd = w->fd;
3209		3518
3210	if (expect_false (ev_is_active (w)))	3519	if (expect_false (ev_is_active (w)))
3211	return;	3520	return;
…		…
3217		3526
3218	ev_start (EV_A_ (W)w, 1);	3527	ev_start (EV_A_ (W)w, 1);
3219	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3528	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3220	wlist_add (&anfds[fd].head, (WL)w);	3529	wlist_add (&anfds[fd].head, (WL)w);
3221		3530
		3531	/* common bug, apparently */
		3532	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3533
3222	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3534	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3223	w->events &= ~EV__IOFDSET;	3535	w->events &= ~EV__IOFDSET;
3224		3536
3225	EV_FREQUENT_CHECK;	3537	EV_FREQUENT_CHECK;
3226	}	3538	}
3227		3539
3228	void noinline	3540	void noinline
3229	ev_io_stop (EV_P_ ev_io *w)	3541	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3230	{	3542	{
3231	clear_pending (EV_A_ (W)w);	3543	clear_pending (EV_A_ (W)w);
3232	if (expect_false (!ev_is_active (w)))	3544	if (expect_false (!ev_is_active (w)))
3233	return;	3545	return;
3234		3546
…		…
3243		3555
3244	EV_FREQUENT_CHECK;	3556	EV_FREQUENT_CHECK;
3245	}	3557	}
3246		3558
3247	void noinline	3559	void noinline
3248	ev_timer_start (EV_P_ ev_timer *w)	3560	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3249	{	3561	{
3250	if (expect_false (ev_is_active (w)))	3562	if (expect_false (ev_is_active (w)))
3251	return;	3563	return;
3252		3564
3253	ev_at (w) += mn_now;	3565	ev_at (w) += mn_now;
…		…
3267		3579
3268	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3580	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3269	}	3581	}
3270		3582
3271	void noinline	3583	void noinline
3272	ev_timer_stop (EV_P_ ev_timer *w)	3584	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3273	{	3585	{
3274	clear_pending (EV_A_ (W)w);	3586	clear_pending (EV_A_ (W)w);
3275	if (expect_false (!ev_is_active (w)))	3587	if (expect_false (!ev_is_active (w)))
3276	return;	3588	return;
3277		3589
…		…
3297		3609
3298	EV_FREQUENT_CHECK;	3610	EV_FREQUENT_CHECK;
3299	}	3611	}
3300		3612
3301	void noinline	3613	void noinline
3302	ev_timer_again (EV_P_ ev_timer *w)	3614	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3303	{	3615	{
3304	EV_FREQUENT_CHECK;	3616	EV_FREQUENT_CHECK;
3305		3617
3306	clear_pending (EV_A_ (W)w);	3618	clear_pending (EV_A_ (W)w);
3307		3619
…		…
3324		3636
3325	EV_FREQUENT_CHECK;	3637	EV_FREQUENT_CHECK;
3326	}	3638	}
3327		3639
3328	ev_tstamp	3640	ev_tstamp
3329	ev_timer_remaining (EV_P_ ev_timer *w)	3641	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3330	{	3642	{
3331	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3643	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3332	}	3644	}
3333		3645
3334	#if EV_PERIODIC_ENABLE	3646	#if EV_PERIODIC_ENABLE
3335	void noinline	3647	void noinline
3336	ev_periodic_start (EV_P_ ev_periodic *w)	3648	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3337	{	3649	{
3338	if (expect_false (ev_is_active (w)))	3650	if (expect_false (ev_is_active (w)))
3339	return;	3651	return;
3340		3652
3341	if (w->reschedule_cb)	3653	if (w->reschedule_cb)
…		…
3361		3673
3362	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3674	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3363	}	3675	}
3364		3676
3365	void noinline	3677	void noinline
3366	ev_periodic_stop (EV_P_ ev_periodic *w)	3678	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3367	{	3679	{
3368	clear_pending (EV_A_ (W)w);	3680	clear_pending (EV_A_ (W)w);
3369	if (expect_false (!ev_is_active (w)))	3681	if (expect_false (!ev_is_active (w)))
3370	return;	3682	return;
3371		3683
…		…
3389		3701
3390	EV_FREQUENT_CHECK;	3702	EV_FREQUENT_CHECK;
3391	}	3703	}
3392		3704
3393	void noinline	3705	void noinline
3394	ev_periodic_again (EV_P_ ev_periodic *w)	3706	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3395	{	3707	{
3396	/* TODO: use adjustheap and recalculation */	3708	/* TODO: use adjustheap and recalculation */
3397	ev_periodic_stop (EV_A_ w);	3709	ev_periodic_stop (EV_A_ w);
3398	ev_periodic_start (EV_A_ w);	3710	ev_periodic_start (EV_A_ w);
3399	}	3711	}
…		…
3404	#endif	3716	#endif
3405		3717
3406	#if EV_SIGNAL_ENABLE	3718	#if EV_SIGNAL_ENABLE
3407		3719
3408	void noinline	3720	void noinline
3409	ev_signal_start (EV_P_ ev_signal *w)	3721	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3410	{	3722	{
3411	if (expect_false (ev_is_active (w)))	3723	if (expect_false (ev_is_active (w)))
3412	return;	3724	return;
3413		3725
3414	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3726	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3416	#if EV_MULTIPLICITY	3728	#if EV_MULTIPLICITY
3417	assert (("libev: a signal must not be attached to two different loops",	3729	assert (("libev: a signal must not be attached to two different loops",
3418	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3730	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3419		3731
3420	signals [w->signum - 1].loop = EV_A;	3732	signals [w->signum - 1].loop = EV_A;
		3733	ECB_MEMORY_FENCE_RELEASE;
3421	#endif	3734	#endif
3422		3735
3423	EV_FREQUENT_CHECK;	3736	EV_FREQUENT_CHECK;
3424		3737
3425	#if EV_USE_SIGNALFD	3738	#if EV_USE_SIGNALFD
…		…
3485		3798
3486	EV_FREQUENT_CHECK;	3799	EV_FREQUENT_CHECK;
3487	}	3800	}
3488		3801
3489	void noinline	3802	void noinline
3490	ev_signal_stop (EV_P_ ev_signal *w)	3803	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3491	{	3804	{
3492	clear_pending (EV_A_ (W)w);	3805	clear_pending (EV_A_ (W)w);
3493	if (expect_false (!ev_is_active (w)))	3806	if (expect_false (!ev_is_active (w)))
3494	return;	3807	return;
3495		3808
…		…
3526	#endif	3839	#endif
3527		3840
3528	#if EV_CHILD_ENABLE	3841	#if EV_CHILD_ENABLE
3529		3842
3530	void	3843	void
3531	ev_child_start (EV_P_ ev_child *w)	3844	ev_child_start (EV_P_ ev_child *w) EV_THROW
3532	{	3845	{
3533	#if EV_MULTIPLICITY	3846	#if EV_MULTIPLICITY
3534	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3847	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3535	#endif	3848	#endif
3536	if (expect_false (ev_is_active (w)))	3849	if (expect_false (ev_is_active (w)))
…		…
3543		3856
3544	EV_FREQUENT_CHECK;	3857	EV_FREQUENT_CHECK;
3545	}	3858	}
3546		3859
3547	void	3860	void
3548	ev_child_stop (EV_P_ ev_child *w)	3861	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3549	{	3862	{
3550	clear_pending (EV_A_ (W)w);	3863	clear_pending (EV_A_ (W)w);
3551	if (expect_false (!ev_is_active (w)))	3864	if (expect_false (!ev_is_active (w)))
3552	return;	3865	return;
3553		3866
…		…
3580	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3893	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3581		3894
3582	static void noinline	3895	static void noinline
3583	infy_add (EV_P_ ev_stat *w)	3896	infy_add (EV_P_ ev_stat *w)
3584	{	3897	{
3585	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);	3898	w->wd = inotify_add_watch (fs_fd, w->path,
		3899	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3900	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3901	| IN_DONT_FOLLOW | IN_MASK_ADD);
3586		3902
3587	if (w->wd >= 0)	3903	if (w->wd >= 0)
3588	{	3904	{
3589	struct statfs sfs;	3905	struct statfs sfs;
3590		3906
…		…
3594		3910
3595	if (!fs_2625)	3911	if (!fs_2625)
3596	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3912	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3597	else if (!statfs (w->path, &sfs)	3913	else if (!statfs (w->path, &sfs)
3598	&& (sfs.f_type == 0x1373 /* devfs */	3914	&& (sfs.f_type == 0x1373 /* devfs */
		3915	|| sfs.f_type == 0x4006 /* fat */
		3916	|| sfs.f_type == 0x4d44 /* msdos */
3599	|| sfs.f_type == 0xEF53 /* ext2/3 */	3917	|| sfs.f_type == 0xEF53 /* ext2/3 */
		3918	|| sfs.f_type == 0x72b6 /* jffs2 */
		3919	|| sfs.f_type == 0x858458f6 /* ramfs */
		3920	|| sfs.f_type == 0x5346544e /* ntfs */
3600	|| sfs.f_type == 0x3153464a /* jfs */	3921	|| sfs.f_type == 0x3153464a /* jfs */
		3922	|| sfs.f_type == 0x9123683e /* btrfs */
3601	|| sfs.f_type == 0x52654973 /* reiser3 */	3923	|| sfs.f_type == 0x52654973 /* reiser3 */
3602	|| sfs.f_type == 0x01021994 /* tempfs */	3924	|| sfs.f_type == 0x01021994 /* tmpfs */
3603	|| sfs.f_type == 0x58465342 /* xfs */))	3925	|| sfs.f_type == 0x58465342 /* xfs */))
3604	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3926	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3605	else	3927	else
3606	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	3928	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3607	}	3929	}
…		…
3720	}	4042	}
3721		4043
3722	inline_size int	4044	inline_size int
3723	infy_newfd (void)	4045	infy_newfd (void)
3724	{	4046	{
3725	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4047	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3726	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4048	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3727	if (fd >= 0)	4049	if (fd >= 0)
3728	return fd;	4050	return fd;
3729	#endif	4051	#endif
3730	return inotify_init ();	4052	return inotify_init ();
…		…
3805	#else	4127	#else
3806	# define EV_LSTAT(p,b) lstat (p, b)	4128	# define EV_LSTAT(p,b) lstat (p, b)
3807	#endif	4129	#endif
3808		4130
3809	void	4131	void
3810	ev_stat_stat (EV_P_ ev_stat *w)	4132	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3811	{	4133	{
3812	if (lstat (w->path, &w->attr) < 0)	4134	if (lstat (w->path, &w->attr) < 0)
3813	w->attr.st_nlink = 0;	4135	w->attr.st_nlink = 0;
3814	else if (!w->attr.st_nlink)	4136	else if (!w->attr.st_nlink)
3815	w->attr.st_nlink = 1;	4137	w->attr.st_nlink = 1;
…		…
3854	ev_feed_event (EV_A_ w, EV_STAT);	4176	ev_feed_event (EV_A_ w, EV_STAT);
3855	}	4177	}
3856	}	4178	}
3857		4179
3858	void	4180	void
3859	ev_stat_start (EV_P_ ev_stat *w)	4181	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3860	{	4182	{
3861	if (expect_false (ev_is_active (w)))	4183	if (expect_false (ev_is_active (w)))
3862	return;	4184	return;
3863		4185
3864	ev_stat_stat (EV_A_ w);	4186	ev_stat_stat (EV_A_ w);
…		…
3885		4207
3886	EV_FREQUENT_CHECK;	4208	EV_FREQUENT_CHECK;
3887	}	4209	}
3888		4210
3889	void	4211	void
3890	ev_stat_stop (EV_P_ ev_stat *w)	4212	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3891	{	4213	{
3892	clear_pending (EV_A_ (W)w);	4214	clear_pending (EV_A_ (W)w);
3893	if (expect_false (!ev_is_active (w)))	4215	if (expect_false (!ev_is_active (w)))
3894	return;	4216	return;
3895		4217
…		…
3911	}	4233	}
3912	#endif	4234	#endif
3913		4235
3914	#if EV_IDLE_ENABLE	4236	#if EV_IDLE_ENABLE
3915	void	4237	void
3916	ev_idle_start (EV_P_ ev_idle *w)	4238	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3917	{	4239	{
3918	if (expect_false (ev_is_active (w)))	4240	if (expect_false (ev_is_active (w)))
3919	return;	4241	return;
3920		4242
3921	pri_adjust (EV_A_ (W)w);	4243	pri_adjust (EV_A_ (W)w);
…		…
3934		4256
3935	EV_FREQUENT_CHECK;	4257	EV_FREQUENT_CHECK;
3936	}	4258	}
3937		4259
3938	void	4260	void
3939	ev_idle_stop (EV_P_ ev_idle *w)	4261	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3940	{	4262	{
3941	clear_pending (EV_A_ (W)w);	4263	clear_pending (EV_A_ (W)w);
3942	if (expect_false (!ev_is_active (w)))	4264	if (expect_false (!ev_is_active (w)))
3943	return;	4265	return;
3944		4266
…		…
3958	}	4280	}
3959	#endif	4281	#endif
3960		4282
3961	#if EV_PREPARE_ENABLE	4283	#if EV_PREPARE_ENABLE
3962	void	4284	void
3963	ev_prepare_start (EV_P_ ev_prepare *w)	4285	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3964	{	4286	{
3965	if (expect_false (ev_is_active (w)))	4287	if (expect_false (ev_is_active (w)))
3966	return;	4288	return;
3967		4289
3968	EV_FREQUENT_CHECK;	4290	EV_FREQUENT_CHECK;
…		…
3973		4295
3974	EV_FREQUENT_CHECK;	4296	EV_FREQUENT_CHECK;
3975	}	4297	}
3976		4298
3977	void	4299	void
3978	ev_prepare_stop (EV_P_ ev_prepare *w)	4300	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3979	{	4301	{
3980	clear_pending (EV_A_ (W)w);	4302	clear_pending (EV_A_ (W)w);
3981	if (expect_false (!ev_is_active (w)))	4303	if (expect_false (!ev_is_active (w)))
3982	return;	4304	return;
3983		4305
…		…
3996	}	4318	}
3997	#endif	4319	#endif
3998		4320
3999	#if EV_CHECK_ENABLE	4321	#if EV_CHECK_ENABLE
4000	void	4322	void
4001	ev_check_start (EV_P_ ev_check *w)	4323	ev_check_start (EV_P_ ev_check *w) EV_THROW
4002	{	4324	{
4003	if (expect_false (ev_is_active (w)))	4325	if (expect_false (ev_is_active (w)))
4004	return;	4326	return;
4005		4327
4006	EV_FREQUENT_CHECK;	4328	EV_FREQUENT_CHECK;
…		…
4011		4333
4012	EV_FREQUENT_CHECK;	4334	EV_FREQUENT_CHECK;
4013	}	4335	}
4014		4336
4015	void	4337	void
4016	ev_check_stop (EV_P_ ev_check *w)	4338	ev_check_stop (EV_P_ ev_check *w) EV_THROW
4017	{	4339	{
4018	clear_pending (EV_A_ (W)w);	4340	clear_pending (EV_A_ (W)w);
4019	if (expect_false (!ev_is_active (w)))	4341	if (expect_false (!ev_is_active (w)))
4020	return;	4342	return;
4021		4343
…		…
4034	}	4356	}
4035	#endif	4357	#endif
4036		4358
4037	#if EV_EMBED_ENABLE	4359	#if EV_EMBED_ENABLE
4038	void noinline	4360	void noinline
4039	ev_embed_sweep (EV_P_ ev_embed *w)	4361	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4040	{	4362	{
4041	ev_run (w->other, EVRUN_NOWAIT);	4363	ev_run (w->other, EVRUN_NOWAIT);
4042	}	4364	}
4043		4365
4044	static void	4366	static void
…		…
4092	ev_idle_stop (EV_A_ idle);	4414	ev_idle_stop (EV_A_ idle);
4093	}	4415	}
4094	#endif	4416	#endif
4095		4417
4096	void	4418	void
4097	ev_embed_start (EV_P_ ev_embed *w)	4419	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4098	{	4420	{
4099	if (expect_false (ev_is_active (w)))	4421	if (expect_false (ev_is_active (w)))
4100	return;	4422	return;
4101		4423
4102	{	4424	{
…		…
4123		4445
4124	EV_FREQUENT_CHECK;	4446	EV_FREQUENT_CHECK;
4125	}	4447	}
4126		4448
4127	void	4449	void
4128	ev_embed_stop (EV_P_ ev_embed *w)	4450	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4129	{	4451	{
4130	clear_pending (EV_A_ (W)w);	4452	clear_pending (EV_A_ (W)w);
4131	if (expect_false (!ev_is_active (w)))	4453	if (expect_false (!ev_is_active (w)))
4132	return;	4454	return;
4133		4455
…		…
4143	}	4465	}
4144	#endif	4466	#endif
4145		4467
4146	#if EV_FORK_ENABLE	4468	#if EV_FORK_ENABLE
4147	void	4469	void
4148	ev_fork_start (EV_P_ ev_fork *w)	4470	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4149	{	4471	{
4150	if (expect_false (ev_is_active (w)))	4472	if (expect_false (ev_is_active (w)))
4151	return;	4473	return;
4152		4474
4153	EV_FREQUENT_CHECK;	4475	EV_FREQUENT_CHECK;
…		…
4158		4480
4159	EV_FREQUENT_CHECK;	4481	EV_FREQUENT_CHECK;
4160	}	4482	}
4161		4483
4162	void	4484	void
4163	ev_fork_stop (EV_P_ ev_fork *w)	4485	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4164	{	4486	{
4165	clear_pending (EV_A_ (W)w);	4487	clear_pending (EV_A_ (W)w);
4166	if (expect_false (!ev_is_active (w)))	4488	if (expect_false (!ev_is_active (w)))
4167	return;	4489	return;
4168		4490
…		…
4181	}	4503	}
4182	#endif	4504	#endif
4183		4505
4184	#if EV_CLEANUP_ENABLE	4506	#if EV_CLEANUP_ENABLE
4185	void	4507	void
4186	ev_cleanup_start (EV_P_ ev_cleanup *w)	4508	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4187	{	4509	{
4188	if (expect_false (ev_is_active (w)))	4510	if (expect_false (ev_is_active (w)))
4189	return;	4511	return;
4190		4512
4191	EV_FREQUENT_CHECK;	4513	EV_FREQUENT_CHECK;
…		…
4198	ev_unref (EV_A);	4520	ev_unref (EV_A);
4199	EV_FREQUENT_CHECK;	4521	EV_FREQUENT_CHECK;
4200	}	4522	}
4201		4523
4202	void	4524	void
4203	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4525	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4204	{	4526	{
4205	clear_pending (EV_A_ (W)w);	4527	clear_pending (EV_A_ (W)w);
4206	if (expect_false (!ev_is_active (w)))	4528	if (expect_false (!ev_is_active (w)))
4207	return;	4529	return;
4208		4530
…		…
4222	}	4544	}
4223	#endif	4545	#endif
4224		4546
4225	#if EV_ASYNC_ENABLE	4547	#if EV_ASYNC_ENABLE
4226	void	4548	void
4227	ev_async_start (EV_P_ ev_async *w)	4549	ev_async_start (EV_P_ ev_async *w) EV_THROW
4228	{	4550	{
4229	if (expect_false (ev_is_active (w)))	4551	if (expect_false (ev_is_active (w)))
4230	return;	4552	return;
4231		4553
4232	w->sent = 0;	4554	w->sent = 0;
…		…
4241		4563
4242	EV_FREQUENT_CHECK;	4564	EV_FREQUENT_CHECK;
4243	}	4565	}
4244		4566
4245	void	4567	void
4246	ev_async_stop (EV_P_ ev_async *w)	4568	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4247	{	4569	{
4248	clear_pending (EV_A_ (W)w);	4570	clear_pending (EV_A_ (W)w);
4249	if (expect_false (!ev_is_active (w)))	4571	if (expect_false (!ev_is_active (w)))
4250	return;	4572	return;
4251		4573
…		…
4262		4584
4263	EV_FREQUENT_CHECK;	4585	EV_FREQUENT_CHECK;
4264	}	4586	}
4265		4587
4266	void	4588	void
4267	ev_async_send (EV_P_ ev_async *w)	4589	ev_async_send (EV_P_ ev_async *w) EV_THROW
4268	{	4590	{
4269	w->sent = 1;	4591	w->sent = 1;
4270	evpipe_write (EV_A_ &async_pending);	4592	evpipe_write (EV_A_ &async_pending);
4271	}	4593	}
4272	#endif	4594	#endif
…		…
4309		4631
4310	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4632	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4311	}	4633	}
4312		4634
4313	void	4635	void
4314	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4636	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4315	{	4637	{
4316	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4638	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4317		4639
4318	if (expect_false (!once))	4640	if (expect_false (!once))
4319	{	4641	{
…		…
4341		4663
4342	/*****************************************************************************/	4664	/*****************************************************************************/
4343		4665
4344	#if EV_WALK_ENABLE	4666	#if EV_WALK_ENABLE
4345	void ecb_cold	4667	void ecb_cold
4346	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4668	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4347	{	4669	{
4348	int i, j;	4670	int i, j;
4349	ev_watcher_list *wl, *wn;	4671	ev_watcher_list *wl, *wn;
4350		4672
4351	if (types & (EV_IO | EV_EMBED))	4673	if (types & (EV_IO | EV_EMBED))

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