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Comparing libev/ev.c (file contents):
Revision 1.412 by root, Wed Feb 22 01:53:00 2012 UTC vs.
Revision 1.455 by root, Sun Apr 28 12:45:20 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
…		…
201	# include <sys/wait.h>	201	# include <sys/wait.h>
202	# include <unistd.h>	202	# include <unistd.h>
203	#else	203	#else
204	# include <io.h>	204	# include <io.h>
205	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
206	# include <windows.h>	207	# include <windows.h>
207	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
208	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
209	# endif	210	# endif
210	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
219	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
220		221
221	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
222		223
223	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
224	#if defined (EV_NSIG)	225	#if defined EV_NSIG
225	/* use what's provided */	226	/* use what's provided */
226	#elif defined (NSIG)	227	#elif defined NSIG
227	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
228	#elif defined(_NSIG)	229	#elif defined _NSIG
229	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
230	#elif defined (SIGMAX)	231	#elif defined SIGMAX
231	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
232	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
233	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
234	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
235	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
236	#elif defined (MAXSIG)	237	#elif defined MAXSIG
237	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
238	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
239	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
240	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
241	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
242	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
243	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
244	#else	245	#else
245	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
246	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
247	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
259	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
260	# endif	261	# endif
261	#endif	262	#endif
262		263
263	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
264	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
265	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
266	# else	267	# else
267	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
268	# endif	269	# endif
269	#endif	270	#endif
…		…
356		357
357	#ifndef EV_HEAP_CACHE_AT	358	#ifndef EV_HEAP_CACHE_AT
358	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
359	#endif	360	#endif
360		361
		362	#ifdef ANDROID
		363	/* supposedly, android doesn't typedef fd_mask */
		364	# undef EV_USE_SELECT
		365	# define EV_USE_SELECT 0
		366	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		367	# undef EV_USE_CLOCK_SYSCALL
		368	# define EV_USE_CLOCK_SYSCALL 0
		369	#endif
		370
		371	/* aix's poll.h seems to cause lots of trouble */
		372	#ifdef _AIX
		373	/* AIX has a completely broken poll.h header */
		374	# undef EV_USE_POLL
		375	# define EV_USE_POLL 0
		376	#endif
		377
361	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	378	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
362	/* which makes programs even slower. might work on other unices, too. */	379	/* which makes programs even slower. might work on other unices, too. */
363	#if EV_USE_CLOCK_SYSCALL	380	#if EV_USE_CLOCK_SYSCALL
364	# include <syscall.h>	381	# include <sys/syscall.h>
365	# ifdef SYS_clock_gettime	382	# ifdef SYS_clock_gettime
366	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	383	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
367	# undef EV_USE_MONOTONIC	384	# undef EV_USE_MONOTONIC
368	# define EV_USE_MONOTONIC 1	385	# define EV_USE_MONOTONIC 1
369	# else	386	# else
…		…
372	# endif	389	# endif
373	#endif	390	#endif
374		391
375	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	392	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
376		393
377	#ifdef _AIX
378	/* AIX has a completely broken poll.h header */
379	# undef EV_USE_POLL
380	# define EV_USE_POLL 0
381	#endif
382
383	#ifndef CLOCK_MONOTONIC	394	#ifndef CLOCK_MONOTONIC
384	# undef EV_USE_MONOTONIC	395	# undef EV_USE_MONOTONIC
385	# define EV_USE_MONOTONIC 0	396	# define EV_USE_MONOTONIC 0
386	#endif	397	#endif
387		398
…		…
395	# define EV_USE_INOTIFY 0	406	# define EV_USE_INOTIFY 0
396	#endif	407	#endif
397		408
398	#if !EV_USE_NANOSLEEP	409	#if !EV_USE_NANOSLEEP
399	/* hp-ux has it in sys/time.h, which we unconditionally include above */	410	/* hp-ux has it in sys/time.h, which we unconditionally include above */
400	# if !defined(_WIN32) && !defined(__hpux)	411	# if !defined _WIN32 && !defined __hpux
401	# include <sys/select.h>	412	# include <sys/select.h>
402	# endif	413	# endif
403	#endif	414	#endif
404		415
405	#if EV_USE_INOTIFY	416	#if EV_USE_INOTIFY
…		…
408	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	419	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
409	# ifndef IN_DONT_FOLLOW	420	# ifndef IN_DONT_FOLLOW
410	# undef EV_USE_INOTIFY	421	# undef EV_USE_INOTIFY
411	# define EV_USE_INOTIFY 0	422	# define EV_USE_INOTIFY 0
412	# endif	423	# endif
413	#endif
414
415	#if EV_SELECT_IS_WINSOCKET
416	# include <winsock.h>
417	#endif	424	#endif
418		425
419	#if EV_USE_EVENTFD	426	#if EV_USE_EVENTFD
420	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	427	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
421	# include <stdint.h>	428	# include <stdint.h>
…		…
507	*/	514	*/
508		515
509	#ifndef ECB_H	516	#ifndef ECB_H
510	#define ECB_H	517	#define ECB_H
511		518
		519	/* 16 bits major, 16 bits minor */
		520	#define ECB_VERSION 0x00010003
		521
512	#ifdef _WIN32	522	#ifdef _WIN32
513	typedef signed char int8_t;	523	typedef signed char int8_t;
514	typedef unsigned char uint8_t;	524	typedef unsigned char uint8_t;
515	typedef signed short int16_t;	525	typedef signed short int16_t;
516	typedef unsigned short uint16_t;	526	typedef unsigned short uint16_t;
…		…
521	typedef unsigned long long uint64_t;	531	typedef unsigned long long uint64_t;
522	#else /* _MSC_VER || __BORLANDC__ */	532	#else /* _MSC_VER || __BORLANDC__ */
523	typedef signed __int64 int64_t;	533	typedef signed __int64 int64_t;
524	typedef unsigned __int64 uint64_t;	534	typedef unsigned __int64 uint64_t;
525	#endif	535	#endif
		536	#ifdef _WIN64
		537	#define ECB_PTRSIZE 8
		538	typedef uint64_t uintptr_t;
		539	typedef int64_t intptr_t;
		540	#else
		541	#define ECB_PTRSIZE 4
		542	typedef uint32_t uintptr_t;
		543	typedef int32_t intptr_t;
		544	#endif
526	#else	545	#else
527	#include <inttypes.h>	546	#include <inttypes.h>
		547	#if UINTMAX_MAX > 0xffffffffU
		548	#define ECB_PTRSIZE 8
		549	#else
		550	#define ECB_PTRSIZE 4
		551	#endif
		552	#endif
		553
		554	/* work around x32 idiocy by defining proper macros */
		555	#if __x86_64 || _M_AMD64
		556	#if __ILP32
		557	#define ECB_AMD64_X32 1
		558	#else
		559	#define ECB_AMD64 1
		560	#endif
528	#endif	561	#endif
529		562
530	/* many compilers define _GNUC_ to some versions but then only implement	563	/* many compilers define _GNUC_ to some versions but then only implement
531	* what their idiot authors think are the "more important" extensions,	564	* what their idiot authors think are the "more important" extensions,
532	* causing enormous grief in return for some better fake benchmark numbers.	565	* causing enormous grief in return for some better fake benchmark numbers.
533	* or so.	566	* or so.
534	* we try to detect these and simply assume they are not gcc - if they have	567	* we try to detect these and simply assume they are not gcc - if they have
535	* an issue with that they should have done it right in the first place.	568	* an issue with that they should have done it right in the first place.
536	*/	569	*/
537	#ifndef ECB_GCC_VERSION	570	#ifndef ECB_GCC_VERSION
538	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	571	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
539	#define ECB_GCC_VERSION(major,minor) 0	572	#define ECB_GCC_VERSION(major,minor) 0
540	#else	573	#else
541	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	574	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
542	#endif	575	#endif
543	#endif	576	#endif
544		577
		578	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		579	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		580	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		581	#define ECB_CPP (__cplusplus+0)
		582	#define ECB_CPP11 (__cplusplus >= 201103L)
		583
		584	#if ECB_CPP
		585	#define ECB_EXTERN_C extern "C"
		586	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		587	#define ECB_EXTERN_C_END }
		588	#else
		589	#define ECB_EXTERN_C extern
		590	#define ECB_EXTERN_C_BEG
		591	#define ECB_EXTERN_C_END
		592	#endif
		593
545	/*****************************************************************************/	594	/*****************************************************************************/
546		595
547	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	596	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
548	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	597	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
549		598
550	#if ECB_NO_THREADS	599	#if ECB_NO_THREADS
551	# define ECB_NO_SMP 1	600	#define ECB_NO_SMP 1
552	#endif	601	#endif
553		602
554	#if ECB_NO_THREADS || ECB_NO_SMP	603	#if ECB_NO_SMP
555	#define ECB_MEMORY_FENCE do { } while (0)	604	#define ECB_MEMORY_FENCE do { } while (0)
556	#endif	605	#endif
557		606
558	#ifndef ECB_MEMORY_FENCE	607	#ifndef ECB_MEMORY_FENCE
559	#if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
560	#if __i386 || __i386__	609	#if __i386 || __i386__
561	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	610	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
562	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	611	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
563	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	612	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
564	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	613	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
565	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	614	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
566	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	615	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
567	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	616	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
568	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	617	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
569	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
570	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	619	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
571	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	620	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
572	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
573	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	622	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
574	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	623	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
575	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	624	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
576	#elif __sparc || __sparc__	625	#elif __sparc || __sparc__
577	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")	626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
578	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
579	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580	#elif defined(__s390__) || defined(__s390x__)	629	#elif defined __s390__ || defined __s390x__
581	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
582	#elif defined(__mips__)	631	#elif defined __mips__
583	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	632	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		633	#elif defined __alpha__
		634	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		635	#elif defined __hppa__
		636	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		637	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		638	#elif defined __ia64__
		639	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
584	#endif	640	#endif
585	#endif	641	#endif
586	#endif	642	#endif
587		643
588	#ifndef ECB_MEMORY_FENCE	644	#ifndef ECB_MEMORY_FENCE
		645	#if ECB_GCC_VERSION(4,7)
		646	/* see comment below (stdatomic.h) about the C11 memory model. */
		647	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		648
		649	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		650	* without risking compile time errors with other compilers. We *could*
		651	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		652	* around this shit time and again.
		653	* #elif defined __clang && __has_feature (cxx_atomic)
		654	* // see comment below (stdatomic.h) about the C11 memory model.
		655	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		656	*/
		657
589	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)	658	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
590	#define ECB_MEMORY_FENCE __sync_synchronize ()	659	#define ECB_MEMORY_FENCE __sync_synchronize ()
591	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
592	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
593	#elif _MSC_VER >= 1400 /* VC++ 2005 */	660	#elif _MSC_VER >= 1400 /* VC++ 2005 */
594	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	661	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
595	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	662	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
596	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	663	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
597	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	664	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
598	#elif defined(_WIN32)	665	#elif defined _WIN32
599	#include <WinNT.h>	666	#include <WinNT.h>
600	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	667	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
601	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	668	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
602	#include <mbarrier.h>	669	#include <mbarrier.h>
603	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	670	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
604	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	671	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
605	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	672	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		673	#elif __xlC__
		674	#define ECB_MEMORY_FENCE __sync ()
		675	#endif
		676	#endif
		677
		678	#ifndef ECB_MEMORY_FENCE
		679	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		680	/* we assume that these memory fences work on all variables/all memory accesses, */
		681	/* not just C11 atomics and atomic accesses */
		682	#include <stdatomic.h>
		683	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		684	/* any fence other than seq_cst, which isn't very efficient for us. */
		685	/* Why that is, we don't know - either the C11 memory model is quite useless */
		686	/* for most usages, or gcc and clang have a bug */
		687	/* I *currently* lean towards the latter, and inefficiently implement */
		688	/* all three of ecb's fences as a seq_cst fence */
		689	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
606	#endif	690	#endif
607	#endif	691	#endif
608		692
609	#ifndef ECB_MEMORY_FENCE	693	#ifndef ECB_MEMORY_FENCE
610	#if !ECB_AVOID_PTHREADS	694	#if !ECB_AVOID_PTHREADS
…		…
622	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	706	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
623	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	707	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
624	#endif	708	#endif
625	#endif	709	#endif
626		710
627	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	711	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
628	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	712	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
629	#endif	713	#endif
630		714
631	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	715	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
632	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	716	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
633	#endif	717	#endif
634		718
635	/*****************************************************************************/	719	/*****************************************************************************/
636
637	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
638		720
639	#if __cplusplus	721	#if __cplusplus
640	#define ecb_inline static inline	722	#define ecb_inline static inline
641	#elif ECB_GCC_VERSION(2,5)	723	#elif ECB_GCC_VERSION(2,5)
642	#define ecb_inline static __inline__	724	#define ecb_inline static __inline__
…		…
681	#elif ECB_GCC_VERSION(3,0)	763	#elif ECB_GCC_VERSION(3,0)
682	#define ecb_decltype(x) __typeof(x)	764	#define ecb_decltype(x) __typeof(x)
683	#endif	765	#endif
684		766
685	#define ecb_noinline ecb_attribute ((__noinline__))	767	#define ecb_noinline ecb_attribute ((__noinline__))
686	#define ecb_noreturn ecb_attribute ((__noreturn__))
687	#define ecb_unused ecb_attribute ((__unused__))	768	#define ecb_unused ecb_attribute ((__unused__))
688	#define ecb_const ecb_attribute ((__const__))	769	#define ecb_const ecb_attribute ((__const__))
689	#define ecb_pure ecb_attribute ((__pure__))	770	#define ecb_pure ecb_attribute ((__pure__))
		771
		772	#if ECB_C11
		773	#define ecb_noreturn _Noreturn
		774	#else
		775	#define ecb_noreturn ecb_attribute ((__noreturn__))
		776	#endif
690		777
691	#if ECB_GCC_VERSION(4,3)	778	#if ECB_GCC_VERSION(4,3)
692	#define ecb_artificial ecb_attribute ((__artificial__))	779	#define ecb_artificial ecb_attribute ((__artificial__))
693	#define ecb_hot ecb_attribute ((__hot__))	780	#define ecb_hot ecb_attribute ((__hot__))
694	#define ecb_cold ecb_attribute ((__cold__))	781	#define ecb_cold ecb_attribute ((__cold__))
…		…
785		872
786	return r + ecb_ld32 (x);	873	return r + ecb_ld32 (x);
787	}	874	}
788	#endif	875	#endif
789		876
		877	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		878	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		879	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		880	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		881
790	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	882	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
791	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	883	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
792	{	884	{
793	return ( (x * 0x0802U & 0x22110U)	885	return ( (x * 0x0802U & 0x22110U)
794	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	886	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
…		…
878	ecb_inline void ecb_unreachable (void) ecb_noreturn;	970	ecb_inline void ecb_unreachable (void) ecb_noreturn;
879	ecb_inline void ecb_unreachable (void) { }	971	ecb_inline void ecb_unreachable (void) { }
880	#endif	972	#endif
881		973
882	/* try to tell the compiler that some condition is definitely true */	974	/* try to tell the compiler that some condition is definitely true */
883	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	975	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
884		976
885	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	977	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
886	ecb_inline unsigned char	978	ecb_inline unsigned char
887	ecb_byteorder_helper (void)	979	ecb_byteorder_helper (void)
888	{	980	{
889	const uint32_t u = 0x11223344;	981	/* the union code still generates code under pressure in gcc, */
890	return *(unsigned char *)&u;	982	/* but less than using pointers, and always seems to */
		983	/* successfully return a constant. */
		984	/* the reason why we have this horrible preprocessor mess */
		985	/* is to avoid it in all cases, at least on common architectures */
		986	/* or when using a recent enough gcc version (>= 4.6) */
		987	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		988	return 0x44;
		989	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		990	return 0x44;
		991	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		992	return 0x11;
		993	#else
		994	union
		995	{
		996	uint32_t i;
		997	uint8_t c;
		998	} u = { 0x11223344 };
		999	return u.c;
		1000	#endif
891	}	1001	}
892		1002
893	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1003	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
894	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1004	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
895	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1005	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
…		…
926	}	1036	}
927	#else	1037	#else
928	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1038	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
929	#endif	1039	#endif
930		1040
		1041	/*******************************************************************************/
		1042	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1043
		1044	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1045	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1046	#if 0 \
		1047	|| __i386 || __i386__ \
		1048	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1049	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1050	|| defined __arm__ && defined __ARM_EABI__ \
		1051	|| defined __s390__ || defined __s390x__ \
		1052	|| defined __mips__ \
		1053	|| defined __alpha__ \
		1054	|| defined __hppa__ \
		1055	|| defined __ia64__ \
		1056	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1057	#define ECB_STDFP 1
		1058	#include <string.h> /* for memcpy */
		1059	#else
		1060	#define ECB_STDFP 0
		1061	#include <math.h> /* for frexp*, ldexp* */
		1062	#endif
		1063
		1064	#ifndef ECB_NO_LIBM
		1065
		1066	/* convert a float to ieee single/binary32 */
		1067	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1068	ecb_function_ uint32_t
		1069	ecb_float_to_binary32 (float x)
		1070	{
		1071	uint32_t r;
		1072
		1073	#if ECB_STDFP
		1074	memcpy (&r, &x, 4);
		1075	#else
		1076	/* slow emulation, works for anything but -0 */
		1077	uint32_t m;
		1078	int e;
		1079
		1080	if (x == 0e0f ) return 0x00000000U;
		1081	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1082	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1083	if (x != x ) return 0x7fbfffffU;
		1084
		1085	m = frexpf (x, &e) * 0x1000000U;
		1086
		1087	r = m & 0x80000000U;
		1088
		1089	if (r)
		1090	m = -m;
		1091
		1092	if (e <= -126)
		1093	{
		1094	m &= 0xffffffU;
		1095	m >>= (-125 - e);
		1096	e = -126;
		1097	}
		1098
		1099	r |= (e + 126) << 23;
		1100	r |= m & 0x7fffffU;
		1101	#endif
		1102
		1103	return r;
		1104	}
		1105
		1106	/* converts an ieee single/binary32 to a float */
		1107	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1108	ecb_function_ float
		1109	ecb_binary32_to_float (uint32_t x)
		1110	{
		1111	float r;
		1112
		1113	#if ECB_STDFP
		1114	memcpy (&r, &x, 4);
		1115	#else
		1116	/* emulation, only works for normals and subnormals and +0 */
		1117	int neg = x >> 31;
		1118	int e = (x >> 23) & 0xffU;
		1119
		1120	x &= 0x7fffffU;
		1121
		1122	if (e)
		1123	x |= 0x800000U;
		1124	else
		1125	e = 1;
		1126
		1127	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1128	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1129
		1130	r = neg ? -r : r;
		1131	#endif
		1132
		1133	return r;
		1134	}
		1135
		1136	/* convert a double to ieee double/binary64 */
		1137	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1138	ecb_function_ uint64_t
		1139	ecb_double_to_binary64 (double x)
		1140	{
		1141	uint64_t r;
		1142
		1143	#if ECB_STDFP
		1144	memcpy (&r, &x, 8);
		1145	#else
		1146	/* slow emulation, works for anything but -0 */
		1147	uint64_t m;
		1148	int e;
		1149
		1150	if (x == 0e0 ) return 0x0000000000000000U;
		1151	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1152	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1153	if (x != x ) return 0X7ff7ffffffffffffU;
		1154
		1155	m = frexp (x, &e) * 0x20000000000000U;
		1156
		1157	r = m & 0x8000000000000000;;
		1158
		1159	if (r)
		1160	m = -m;
		1161
		1162	if (e <= -1022)
		1163	{
		1164	m &= 0x1fffffffffffffU;
		1165	m >>= (-1021 - e);
		1166	e = -1022;
		1167	}
		1168
		1169	r |= ((uint64_t)(e + 1022)) << 52;
		1170	r |= m & 0xfffffffffffffU;
		1171	#endif
		1172
		1173	return r;
		1174	}
		1175
		1176	/* converts an ieee double/binary64 to a double */
		1177	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1178	ecb_function_ double
		1179	ecb_binary64_to_double (uint64_t x)
		1180	{
		1181	double r;
		1182
		1183	#if ECB_STDFP
		1184	memcpy (&r, &x, 8);
		1185	#else
		1186	/* emulation, only works for normals and subnormals and +0 */
		1187	int neg = x >> 63;
		1188	int e = (x >> 52) & 0x7ffU;
		1189
		1190	x &= 0xfffffffffffffU;
		1191
		1192	if (e)
		1193	x |= 0x10000000000000U;
		1194	else
		1195	e = 1;
		1196
		1197	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1198	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1199
		1200	r = neg ? -r : r;
		1201	#endif
		1202
		1203	return r;
		1204	}
		1205
		1206	#endif
		1207
931	#endif	1208	#endif
932		1209
933	/* ECB.H END */	1210	/* ECB.H END */
934		1211
935	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1212	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
…		…
1101	{	1378	{
1102	write (STDERR_FILENO, msg, strlen (msg));	1379	write (STDERR_FILENO, msg, strlen (msg));
1103	}	1380	}
1104	#endif	1381	#endif
1105		1382
1106	static void (*syserr_cb)(const char *msg);	1383	static void (*syserr_cb)(const char *msg) EV_THROW;
1107		1384
1108	void ecb_cold	1385	void ecb_cold
1109	ev_set_syserr_cb (void (*cb)(const char *msg))	1386	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1110	{	1387	{
1111	syserr_cb = cb;	1388	syserr_cb = cb;
1112	}	1389	}
1113		1390
1114	static void noinline ecb_cold	1391	static void noinline ecb_cold
…		…
1132	abort ();	1409	abort ();
1133	}	1410	}
1134	}	1411	}
1135		1412
1136	static void *	1413	static void *
1137	ev_realloc_emul (void *ptr, long size)	1414	ev_realloc_emul (void *ptr, long size) EV_THROW
1138	{	1415	{
1139	#if __GLIBC__
1140	return realloc (ptr, size);
1141	#else
1142	/* some systems, notably openbsd and darwin, fail to properly	1416	/* some systems, notably openbsd and darwin, fail to properly
1143	* implement realloc (x, 0) (as required by both ansi c-89 and	1417	* implement realloc (x, 0) (as required by both ansi c-89 and
1144	* the single unix specification, so work around them here.	1418	* the single unix specification, so work around them here.
		1419	* recently, also (at least) fedora and debian started breaking it,
		1420	* despite documenting it otherwise.
1145	*/	1421	*/
1146		1422
1147	if (size)	1423	if (size)
1148	return realloc (ptr, size);	1424	return realloc (ptr, size);
1149		1425
1150	free (ptr);	1426	free (ptr);
1151	return 0;	1427	return 0;
1152	#endif
1153	}	1428	}
1154		1429
1155	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1430	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1156		1431
1157	void ecb_cold	1432	void ecb_cold
1158	ev_set_allocator (void *(*cb)(void *ptr, long size))	1433	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1159	{	1434	{
1160	alloc = cb;	1435	alloc = cb;
1161	}	1436	}
1162		1437
1163	inline_speed void *	1438	inline_speed void *
…		…
1280		1555
1281	/*****************************************************************************/	1556	/*****************************************************************************/
1282		1557
1283	#ifndef EV_HAVE_EV_TIME	1558	#ifndef EV_HAVE_EV_TIME
1284	ev_tstamp	1559	ev_tstamp
1285	ev_time (void)	1560	ev_time (void) EV_THROW
1286	{	1561	{
1287	#if EV_USE_REALTIME	1562	#if EV_USE_REALTIME
1288	if (expect_true (have_realtime))	1563	if (expect_true (have_realtime))
1289	{	1564	{
1290	struct timespec ts;	1565	struct timespec ts;
…		…
1314	return ev_time ();	1589	return ev_time ();
1315	}	1590	}
1316		1591
1317	#if EV_MULTIPLICITY	1592	#if EV_MULTIPLICITY
1318	ev_tstamp	1593	ev_tstamp
1319	ev_now (EV_P)	1594	ev_now (EV_P) EV_THROW
1320	{	1595	{
1321	return ev_rt_now;	1596	return ev_rt_now;
1322	}	1597	}
1323	#endif	1598	#endif
1324		1599
1325	void	1600	void
1326	ev_sleep (ev_tstamp delay)	1601	ev_sleep (ev_tstamp delay) EV_THROW
1327	{	1602	{
1328	if (delay > 0.)	1603	if (delay > 0.)
1329	{	1604	{
1330	#if EV_USE_NANOSLEEP	1605	#if EV_USE_NANOSLEEP
1331	struct timespec ts;	1606	struct timespec ts;
1332		1607
1333	EV_TS_SET (ts, delay);	1608	EV_TS_SET (ts, delay);
1334	nanosleep (&ts, 0);	1609	nanosleep (&ts, 0);
1335	#elif defined(_WIN32)	1610	#elif defined _WIN32
1336	Sleep ((unsigned long)(delay * 1e3));	1611	Sleep ((unsigned long)(delay * 1e3));
1337	#else	1612	#else
1338	struct timeval tv;	1613	struct timeval tv;
1339		1614
1340	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1615	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1412	pendingcb (EV_P_ ev_prepare *w, int revents)	1687	pendingcb (EV_P_ ev_prepare *w, int revents)
1413	{	1688	{
1414	}	1689	}
1415		1690
1416	void noinline	1691	void noinline
1417	ev_feed_event (EV_P_ void *w, int revents)	1692	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1418	{	1693	{
1419	W w_ = (W)w;	1694	W w_ = (W)w;
1420	int pri = ABSPRI (w_);	1695	int pri = ABSPRI (w_);
1421		1696
1422	if (expect_false (w_->pending))	1697	if (expect_false (w_->pending))
…		…
1426	w_->pending = ++pendingcnt [pri];	1701	w_->pending = ++pendingcnt [pri];
1427	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1702	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1428	pendings [pri][w_->pending - 1].w = w_;	1703	pendings [pri][w_->pending - 1].w = w_;
1429	pendings [pri][w_->pending - 1].events = revents;	1704	pendings [pri][w_->pending - 1].events = revents;
1430	}	1705	}
		1706
		1707	pendingpri = NUMPRI - 1;
1431	}	1708	}
1432		1709
1433	inline_speed void	1710	inline_speed void
1434	feed_reverse (EV_P_ W w)	1711	feed_reverse (EV_P_ W w)
1435	{	1712	{
…		…
1481	if (expect_true (!anfd->reify))	1758	if (expect_true (!anfd->reify))
1482	fd_event_nocheck (EV_A_ fd, revents);	1759	fd_event_nocheck (EV_A_ fd, revents);
1483	}	1760	}
1484		1761
1485	void	1762	void
1486	ev_feed_fd_event (EV_P_ int fd, int revents)	1763	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1487	{	1764	{
1488	if (fd >= 0 && fd < anfdmax)	1765	if (fd >= 0 && fd < anfdmax)
1489	fd_event_nocheck (EV_A_ fd, revents);	1766	fd_event_nocheck (EV_A_ fd, revents);
1490	}	1767	}
1491		1768
…		…
1810	static void noinline ecb_cold	2087	static void noinline ecb_cold
1811	evpipe_init (EV_P)	2088	evpipe_init (EV_P)
1812	{	2089	{
1813	if (!ev_is_active (&pipe_w))	2090	if (!ev_is_active (&pipe_w))
1814	{	2091	{
		2092	int fds [2];
		2093
1815	# if EV_USE_EVENTFD	2094	# if EV_USE_EVENTFD
		2095	fds [0] = -1;
1816	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2096	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1817	if (evfd < 0 && errno == EINVAL)	2097	if (fds [1] < 0 && errno == EINVAL)
1818	evfd = eventfd (0, 0);	2098	fds [1] = eventfd (0, 0);
1819		2099
1820	if (evfd >= 0)	2100	if (fds [1] < 0)
		2101	# endif
1821	{	2102	{
		2103	while (pipe (fds))
		2104	ev_syserr ("(libev) error creating signal/async pipe");
		2105
		2106	fd_intern (fds [0]);
		2107	}
		2108
1822	evpipe [0] = -1;	2109	evpipe [0] = fds [0];
1823	fd_intern (evfd); /* doing it twice doesn't hurt */	2110
1824	ev_io_set (&pipe_w, evfd, EV_READ);	2111	if (evpipe [1] < 0)
		2112	evpipe [1] = fds [1]; /* first call, set write fd */
		2113	else
		2114	{
		2115	/* on subsequent calls, do not change evpipe [1] */
		2116	/* so that evpipe_write can always rely on its value. */
		2117	/* this branch does not do anything sensible on windows, */
		2118	/* so must not be executed on windows */
		2119
		2120	dup2 (fds [1], evpipe [1]);
		2121	close (fds [1]);
		2122	}
		2123
		2124	fd_intern (evpipe [1]);
		2125
		2126	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2127	ev_io_start (EV_A_ &pipe_w);
		2128	ev_unref (EV_A); /* watcher should not keep loop alive */
		2129	}
		2130	}
		2131
		2132	inline_speed void
		2133	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2134	{
		2135	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2136
		2137	if (expect_true (*flag))
		2138	return;
		2139
		2140	*flag = 1;
		2141	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2142
		2143	pipe_write_skipped = 1;
		2144
		2145	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2146
		2147	if (pipe_write_wanted)
		2148	{
		2149	int old_errno;
		2150
		2151	pipe_write_skipped = 0;
		2152	ECB_MEMORY_FENCE_RELEASE;
		2153
		2154	old_errno = errno; /* save errno because write will clobber it */
		2155
		2156	#if EV_USE_EVENTFD
		2157	if (evpipe [0] < 0)
		2158	{
		2159	uint64_t counter = 1;
		2160	write (evpipe [1], &counter, sizeof (uint64_t));
1825	}	2161	}
1826	else	2162	else
1827	# endif	2163	#endif
1828	{	2164	{
1829	while (pipe (evpipe))	2165	#ifdef _WIN32
1830	ev_syserr ("(libev) error creating signal/async pipe");	2166	WSABUF buf;
1831		2167	DWORD sent;
1832	fd_intern (evpipe [0]);	2168	buf.buf = &buf;
1833	fd_intern (evpipe [1]);	2169	buf.len = 1;
1834	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2170	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1835	}	2171	#else
1836
1837	ev_io_start (EV_A_ &pipe_w);
1838	ev_unref (EV_A); /* watcher should not keep loop alive */
1839	}
1840	}
1841
1842	inline_speed void
1843	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1844	{
1845	if (expect_true (*flag))
1846	return;
1847
1848	*flag = 1;
1849
1850	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1851
1852	pipe_write_skipped = 1;
1853
1854	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1855
1856	if (pipe_write_wanted)
1857	{
1858	int old_errno;
1859
1860	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1861
1862	old_errno = errno; /* save errno because write will clobber it */
1863
1864	#if EV_USE_EVENTFD
1865	if (evfd >= 0)
1866	{
1867	uint64_t counter = 1;
1868	write (evfd, &counter, sizeof (uint64_t));
1869	}
1870	else
1871	#endif
1872	{
1873	/* win32 people keep sending patches that change this write() to send() */
1874	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1875	/* so when you think this write should be a send instead, please find out */
1876	/* where your send() is from - it's definitely not the microsoft send, and */
1877	/* tell me. thank you. */
1878	/* it might be that your problem is that your environment needs EV_USE_WSASOCKET */
1879	/* check the ev documentation on how to use this flag */
1880	write (evpipe [1], &(evpipe [1]), 1);	2172	write (evpipe [1], &(evpipe [1]), 1);
		2173	#endif
1881	}	2174	}
1882		2175
1883	errno = old_errno;	2176	errno = old_errno;
1884	}	2177	}
1885	}	2178	}
…		…
1892	int i;	2185	int i;
1893		2186
1894	if (revents & EV_READ)	2187	if (revents & EV_READ)
1895	{	2188	{
1896	#if EV_USE_EVENTFD	2189	#if EV_USE_EVENTFD
1897	if (evfd >= 0)	2190	if (evpipe [0] < 0)
1898	{	2191	{
1899	uint64_t counter;	2192	uint64_t counter;
1900	read (evfd, &counter, sizeof (uint64_t));	2193	read (evpipe [1], &counter, sizeof (uint64_t));
1901	}	2194	}
1902	else	2195	else
1903	#endif	2196	#endif
1904	{	2197	{
1905	char dummy;	2198	char dummy[4];
1906	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2199	#ifdef _WIN32
		2200	WSABUF buf;
		2201	DWORD recvd;
		2202	DWORD flags = 0;
		2203	buf.buf = dummy;
		2204	buf.len = sizeof (dummy);
		2205	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2206	#else
1907	read (evpipe [0], &dummy, 1);	2207	read (evpipe [0], &dummy, sizeof (dummy));
		2208	#endif
1908	}	2209	}
1909	}	2210	}
1910		2211
1911	pipe_write_skipped = 0;	2212	pipe_write_skipped = 0;
		2213
		2214	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1912		2215
1913	#if EV_SIGNAL_ENABLE	2216	#if EV_SIGNAL_ENABLE
1914	if (sig_pending)	2217	if (sig_pending)
1915	{	2218	{
1916	sig_pending = 0;	2219	sig_pending = 0;
		2220
		2221	ECB_MEMORY_FENCE;
1917		2222
1918	for (i = EV_NSIG - 1; i--; )	2223	for (i = EV_NSIG - 1; i--; )
1919	if (expect_false (signals [i].pending))	2224	if (expect_false (signals [i].pending))
1920	ev_feed_signal_event (EV_A_ i + 1);	2225	ev_feed_signal_event (EV_A_ i + 1);
1921	}	2226	}
…		…
1923		2228
1924	#if EV_ASYNC_ENABLE	2229	#if EV_ASYNC_ENABLE
1925	if (async_pending)	2230	if (async_pending)
1926	{	2231	{
1927	async_pending = 0;	2232	async_pending = 0;
		2233
		2234	ECB_MEMORY_FENCE;
1928		2235
1929	for (i = asynccnt; i--; )	2236	for (i = asynccnt; i--; )
1930	if (asyncs [i]->sent)	2237	if (asyncs [i]->sent)
1931	{	2238	{
1932	asyncs [i]->sent = 0;	2239	asyncs [i]->sent = 0;
		2240	ECB_MEMORY_FENCE_RELEASE;
1933	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2241	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1934	}	2242	}
1935	}	2243	}
1936	#endif	2244	#endif
1937	}	2245	}
1938		2246
1939	/*****************************************************************************/	2247	/*****************************************************************************/
1940		2248
1941	void	2249	void
1942	ev_feed_signal (int signum)	2250	ev_feed_signal (int signum) EV_THROW
1943	{	2251	{
1944	#if EV_MULTIPLICITY	2252	#if EV_MULTIPLICITY
		2253	EV_P;
		2254	ECB_MEMORY_FENCE_ACQUIRE;
1945	EV_P = signals [signum - 1].loop;	2255	EV_A = signals [signum - 1].loop;
1946		2256
1947	if (!EV_A)	2257	if (!EV_A)
1948	return;	2258	return;
1949	#endif	2259	#endif
1950		2260
1951	if (!ev_active (&pipe_w))
1952	return;
1953
1954	signals [signum - 1].pending = 1;	2261	signals [signum - 1].pending = 1;
1955	evpipe_write (EV_A_ &sig_pending);	2262	evpipe_write (EV_A_ &sig_pending);
1956	}	2263	}
1957		2264
1958	static void	2265	static void
…		…
1964		2271
1965	ev_feed_signal (signum);	2272	ev_feed_signal (signum);
1966	}	2273	}
1967		2274
1968	void noinline	2275	void noinline
1969	ev_feed_signal_event (EV_P_ int signum)	2276	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1970	{	2277	{
1971	WL w;	2278	WL w;
1972		2279
1973	if (expect_false (signum <= 0 || signum > EV_NSIG))	2280	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1974	return;	2281	return;
1975		2282
1976	--signum;	2283	--signum;
1977		2284
1978	#if EV_MULTIPLICITY	2285	#if EV_MULTIPLICITY
…		…
1982	if (expect_false (signals [signum].loop != EV_A))	2289	if (expect_false (signals [signum].loop != EV_A))
1983	return;	2290	return;
1984	#endif	2291	#endif
1985		2292
1986	signals [signum].pending = 0;	2293	signals [signum].pending = 0;
		2294	ECB_MEMORY_FENCE_RELEASE;
1987		2295
1988	for (w = signals [signum].head; w; w = w->next)	2296	for (w = signals [signum].head; w; w = w->next)
1989	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2297	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1990	}	2298	}
1991		2299
…		…
2090	#if EV_USE_SELECT	2398	#if EV_USE_SELECT
2091	# include "ev_select.c"	2399	# include "ev_select.c"
2092	#endif	2400	#endif
2093		2401
2094	int ecb_cold	2402	int ecb_cold
2095	ev_version_major (void)	2403	ev_version_major (void) EV_THROW
2096	{	2404	{
2097	return EV_VERSION_MAJOR;	2405	return EV_VERSION_MAJOR;
2098	}	2406	}
2099		2407
2100	int ecb_cold	2408	int ecb_cold
2101	ev_version_minor (void)	2409	ev_version_minor (void) EV_THROW
2102	{	2410	{
2103	return EV_VERSION_MINOR;	2411	return EV_VERSION_MINOR;
2104	}	2412	}
2105		2413
2106	/* return true if we are running with elevated privileges and should ignore env variables */	2414	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2114	|| getgid () != getegid ();	2422	|| getgid () != getegid ();
2115	#endif	2423	#endif
2116	}	2424	}
2117		2425
2118	unsigned int ecb_cold	2426	unsigned int ecb_cold
2119	ev_supported_backends (void)	2427	ev_supported_backends (void) EV_THROW
2120	{	2428	{
2121	unsigned int flags = 0;	2429	unsigned int flags = 0;
2122		2430
2123	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2431	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2124	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2432	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2128		2436
2129	return flags;	2437	return flags;
2130	}	2438	}
2131		2439
2132	unsigned int ecb_cold	2440	unsigned int ecb_cold
2133	ev_recommended_backends (void)	2441	ev_recommended_backends (void) EV_THROW
2134	{	2442	{
2135	unsigned int flags = ev_supported_backends ();	2443	unsigned int flags = ev_supported_backends ();
2136		2444
2137	#ifndef __NetBSD__	2445	#ifndef __NetBSD__
2138	/* kqueue is borked on everything but netbsd apparently */	2446	/* kqueue is borked on everything but netbsd apparently */
…		…
2150		2458
2151	return flags;	2459	return flags;
2152	}	2460	}
2153		2461
2154	unsigned int ecb_cold	2462	unsigned int ecb_cold
2155	ev_embeddable_backends (void)	2463	ev_embeddable_backends (void) EV_THROW
2156	{	2464	{
2157	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2465	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2158		2466
2159	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2467	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2160	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2468	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2162		2470
2163	return flags;	2471	return flags;
2164	}	2472	}
2165		2473
2166	unsigned int	2474	unsigned int
2167	ev_backend (EV_P)	2475	ev_backend (EV_P) EV_THROW
2168	{	2476	{
2169	return backend;	2477	return backend;
2170	}	2478	}
2171		2479
2172	#if EV_FEATURE_API	2480	#if EV_FEATURE_API
2173	unsigned int	2481	unsigned int
2174	ev_iteration (EV_P)	2482	ev_iteration (EV_P) EV_THROW
2175	{	2483	{
2176	return loop_count;	2484	return loop_count;
2177	}	2485	}
2178		2486
2179	unsigned int	2487	unsigned int
2180	ev_depth (EV_P)	2488	ev_depth (EV_P) EV_THROW
2181	{	2489	{
2182	return loop_depth;	2490	return loop_depth;
2183	}	2491	}
2184		2492
2185	void	2493	void
2186	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2494	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2187	{	2495	{
2188	io_blocktime = interval;	2496	io_blocktime = interval;
2189	}	2497	}
2190		2498
2191	void	2499	void
2192	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2500	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2193	{	2501	{
2194	timeout_blocktime = interval;	2502	timeout_blocktime = interval;
2195	}	2503	}
2196		2504
2197	void	2505	void
2198	ev_set_userdata (EV_P_ void *data)	2506	ev_set_userdata (EV_P_ void *data) EV_THROW
2199	{	2507	{
2200	userdata = data;	2508	userdata = data;
2201	}	2509	}
2202		2510
2203	void *	2511	void *
2204	ev_userdata (EV_P)	2512	ev_userdata (EV_P) EV_THROW
2205	{	2513	{
2206	return userdata;	2514	return userdata;
2207	}	2515	}
2208		2516
2209	void	2517	void
2210	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2518	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2211	{	2519	{
2212	invoke_cb = invoke_pending_cb;	2520	invoke_cb = invoke_pending_cb;
2213	}	2521	}
2214		2522
2215	void	2523	void
2216	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2524	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2217	{	2525	{
2218	release_cb = release;	2526	release_cb = release;
2219	acquire_cb = acquire;	2527	acquire_cb = acquire;
2220	}	2528	}
2221	#endif	2529	#endif
2222		2530
2223	/* initialise a loop structure, must be zero-initialised */	2531	/* initialise a loop structure, must be zero-initialised */
2224	static void noinline ecb_cold	2532	static void noinline ecb_cold
2225	loop_init (EV_P_ unsigned int flags)	2533	loop_init (EV_P_ unsigned int flags) EV_THROW
2226	{	2534	{
2227	if (!backend)	2535	if (!backend)
2228	{	2536	{
2229	origflags = flags;	2537	origflags = flags;
2230		2538
…		…
2275	#if EV_ASYNC_ENABLE	2583	#if EV_ASYNC_ENABLE
2276	async_pending = 0;	2584	async_pending = 0;
2277	#endif	2585	#endif
2278	pipe_write_skipped = 0;	2586	pipe_write_skipped = 0;
2279	pipe_write_wanted = 0;	2587	pipe_write_wanted = 0;
		2588	evpipe [0] = -1;
		2589	evpipe [1] = -1;
2280	#if EV_USE_INOTIFY	2590	#if EV_USE_INOTIFY
2281	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2591	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2282	#endif	2592	#endif
2283	#if EV_USE_SIGNALFD	2593	#if EV_USE_SIGNALFD
2284	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2594	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2335	EV_INVOKE_PENDING;	2645	EV_INVOKE_PENDING;
2336	}	2646	}
2337	#endif	2647	#endif
2338		2648
2339	#if EV_CHILD_ENABLE	2649	#if EV_CHILD_ENABLE
2340	if (ev_is_active (&childev))	2650	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2341	{	2651	{
2342	ev_ref (EV_A); /* child watcher */	2652	ev_ref (EV_A); /* child watcher */
2343	ev_signal_stop (EV_A_ &childev);	2653	ev_signal_stop (EV_A_ &childev);
2344	}	2654	}
2345	#endif	2655	#endif
…		…
2347	if (ev_is_active (&pipe_w))	2657	if (ev_is_active (&pipe_w))
2348	{	2658	{
2349	/*ev_ref (EV_A);*/	2659	/*ev_ref (EV_A);*/
2350	/*ev_io_stop (EV_A_ &pipe_w);*/	2660	/*ev_io_stop (EV_A_ &pipe_w);*/
2351		2661
2352	#if EV_USE_EVENTFD
2353	if (evfd >= 0)
2354	close (evfd);
2355	#endif
2356
2357	if (evpipe [0] >= 0)
2358	{
2359	EV_WIN32_CLOSE_FD (evpipe [0]);	2662	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2360	EV_WIN32_CLOSE_FD (evpipe [1]);	2663	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2361	}
2362	}	2664	}
2363		2665
2364	#if EV_USE_SIGNALFD	2666	#if EV_USE_SIGNALFD
2365	if (ev_is_active (&sigfd_w))	2667	if (ev_is_active (&sigfd_w))
2366	close (sigfd);	2668	close (sigfd);
…		…
2452	#endif	2754	#endif
2453	#if EV_USE_INOTIFY	2755	#if EV_USE_INOTIFY
2454	infy_fork (EV_A);	2756	infy_fork (EV_A);
2455	#endif	2757	#endif
2456		2758
		2759	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2457	if (ev_is_active (&pipe_w))	2760	if (ev_is_active (&pipe_w))
2458	{	2761	{
2459	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2762	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2460		2763
2461	ev_ref (EV_A);	2764	ev_ref (EV_A);
2462	ev_io_stop (EV_A_ &pipe_w);	2765	ev_io_stop (EV_A_ &pipe_w);
2463		2766
2464	#if EV_USE_EVENTFD
2465	if (evfd >= 0)
2466	close (evfd);
2467	#endif
2468
2469	if (evpipe [0] >= 0)	2767	if (evpipe [0] >= 0)
2470	{
2471	EV_WIN32_CLOSE_FD (evpipe [0]);	2768	EV_WIN32_CLOSE_FD (evpipe [0]);
2472	EV_WIN32_CLOSE_FD (evpipe [1]);
2473	}
2474		2769
2475	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2476	evpipe_init (EV_A);	2770	evpipe_init (EV_A);
2477	/* now iterate over everything, in case we missed something */	2771	/* iterate over everything, in case we missed something before */
2478	pipecb (EV_A_ &pipe_w, EV_READ);	2772	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2479	#endif
2480	}	2773	}
		2774	#endif
2481		2775
2482	postfork = 0;	2776	postfork = 0;
2483	}	2777	}
2484		2778
2485	#if EV_MULTIPLICITY	2779	#if EV_MULTIPLICITY
2486		2780
2487	struct ev_loop * ecb_cold	2781	struct ev_loop * ecb_cold
2488	ev_loop_new (unsigned int flags)	2782	ev_loop_new (unsigned int flags) EV_THROW
2489	{	2783	{
2490	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2784	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2491		2785
2492	memset (EV_A, 0, sizeof (struct ev_loop));	2786	memset (EV_A, 0, sizeof (struct ev_loop));
2493	loop_init (EV_A_ flags);	2787	loop_init (EV_A_ flags);
…		…
2537	}	2831	}
2538	#endif	2832	#endif
2539		2833
2540	#if EV_FEATURE_API	2834	#if EV_FEATURE_API
2541	void ecb_cold	2835	void ecb_cold
2542	ev_verify (EV_P)	2836	ev_verify (EV_P) EV_THROW
2543	{	2837	{
2544	#if EV_VERIFY	2838	#if EV_VERIFY
2545	int i;	2839	int i;
2546	WL w;	2840	WL w, w2;
2547		2841
2548	assert (activecnt >= -1);	2842	assert (activecnt >= -1);
2549		2843
2550	assert (fdchangemax >= fdchangecnt);	2844	assert (fdchangemax >= fdchangecnt);
2551	for (i = 0; i < fdchangecnt; ++i)	2845	for (i = 0; i < fdchangecnt; ++i)
2552	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2846	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2553		2847
2554	assert (anfdmax >= 0);	2848	assert (anfdmax >= 0);
2555	for (i = 0; i < anfdmax; ++i)	2849	for (i = 0; i < anfdmax; ++i)
		2850	{
		2851	int j = 0;
		2852
2556	for (w = anfds [i].head; w; w = w->next)	2853	for (w = w2 = anfds [i].head; w; w = w->next)
2557	{	2854	{
2558	verify_watcher (EV_A_ (W)w);	2855	verify_watcher (EV_A_ (W)w);
		2856
		2857	if (j++ & 1)
		2858	{
		2859	assert (("libev: io watcher list contains a loop", w != w2));
		2860	w2 = w2->next;
		2861	}
		2862
2559	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2863	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2560	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2864	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2561	}	2865	}
		2866	}
2562		2867
2563	assert (timermax >= timercnt);	2868	assert (timermax >= timercnt);
2564	verify_heap (EV_A_ timers, timercnt);	2869	verify_heap (EV_A_ timers, timercnt);
2565		2870
2566	#if EV_PERIODIC_ENABLE	2871	#if EV_PERIODIC_ENABLE
…		…
2616	#if EV_MULTIPLICITY	2921	#if EV_MULTIPLICITY
2617	struct ev_loop * ecb_cold	2922	struct ev_loop * ecb_cold
2618	#else	2923	#else
2619	int	2924	int
2620	#endif	2925	#endif
2621	ev_default_loop (unsigned int flags)	2926	ev_default_loop (unsigned int flags) EV_THROW
2622	{	2927	{
2623	if (!ev_default_loop_ptr)	2928	if (!ev_default_loop_ptr)
2624	{	2929	{
2625	#if EV_MULTIPLICITY	2930	#if EV_MULTIPLICITY
2626	EV_P = ev_default_loop_ptr = &default_loop_struct;	2931	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2645		2950
2646	return ev_default_loop_ptr;	2951	return ev_default_loop_ptr;
2647	}	2952	}
2648		2953
2649	void	2954	void
2650	ev_loop_fork (EV_P)	2955	ev_loop_fork (EV_P) EV_THROW
2651	{	2956	{
2652	postfork = 1; /* must be in line with ev_default_fork */	2957	postfork = 1;
2653	}	2958	}
2654		2959
2655	/*****************************************************************************/	2960	/*****************************************************************************/
2656		2961
2657	void	2962	void
…		…
2659	{	2964	{
2660	EV_CB_INVOKE ((W)w, revents);	2965	EV_CB_INVOKE ((W)w, revents);
2661	}	2966	}
2662		2967
2663	unsigned int	2968	unsigned int
2664	ev_pending_count (EV_P)	2969	ev_pending_count (EV_P) EV_THROW
2665	{	2970	{
2666	int pri;	2971	int pri;
2667	unsigned int count = 0;	2972	unsigned int count = 0;
2668		2973
2669	for (pri = NUMPRI; pri--; )	2974	for (pri = NUMPRI; pri--; )
…		…
2673	}	2978	}
2674		2979
2675	void noinline	2980	void noinline
2676	ev_invoke_pending (EV_P)	2981	ev_invoke_pending (EV_P)
2677	{	2982	{
2678	int pri;	2983	pendingpri = NUMPRI;
2679		2984
2680	for (pri = NUMPRI; pri--; )	2985	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2986	{
		2987	--pendingpri;
		2988
2681	while (pendingcnt [pri])	2989	while (pendingcnt [pendingpri])
2682	{	2990	{
2683	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2991	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2684		2992
2685	p->w->pending = 0;	2993	p->w->pending = 0;
2686	EV_CB_INVOKE (p->w, p->events);	2994	EV_CB_INVOKE (p->w, p->events);
2687	EV_FREQUENT_CHECK;	2995	EV_FREQUENT_CHECK;
2688	}	2996	}
		2997	}
2689	}	2998	}
2690		2999
2691	#if EV_IDLE_ENABLE	3000	#if EV_IDLE_ENABLE
2692	/* make idle watchers pending. this handles the "call-idle */	3001	/* make idle watchers pending. this handles the "call-idle */
2693	/* only when higher priorities are idle" logic */	3002	/* only when higher priorities are idle" logic */
…		…
2783	{	3092	{
2784	EV_FREQUENT_CHECK;	3093	EV_FREQUENT_CHECK;
2785		3094
2786	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3095	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2787	{	3096	{
2788	int feed_count = 0;
2789
2790	do	3097	do
2791	{	3098	{
2792	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3099	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2793		3100
2794	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3101	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2928		3235
2929	mn_now = ev_rt_now;	3236	mn_now = ev_rt_now;
2930	}	3237	}
2931	}	3238	}
2932		3239
2933	void	3240	int
2934	ev_run (EV_P_ int flags)	3241	ev_run (EV_P_ int flags)
2935	{	3242	{
2936	#if EV_FEATURE_API	3243	#if EV_FEATURE_API
2937	++loop_depth;	3244	++loop_depth;
2938	#endif	3245	#endif
…		…
3053	backend_poll (EV_A_ waittime);	3360	backend_poll (EV_A_ waittime);
3054	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3361	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3055		3362
3056	pipe_write_wanted = 0; /* just an optimisation, no fence needed */	3363	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3057		3364
		3365	ECB_MEMORY_FENCE_ACQUIRE;
3058	if (pipe_write_skipped)	3366	if (pipe_write_skipped)
3059	{	3367	{
3060	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3368	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3061	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3369	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3062	}	3370	}
…		…
3095	loop_done = EVBREAK_CANCEL;	3403	loop_done = EVBREAK_CANCEL;
3096		3404
3097	#if EV_FEATURE_API	3405	#if EV_FEATURE_API
3098	--loop_depth;	3406	--loop_depth;
3099	#endif	3407	#endif
		3408
		3409	return activecnt;
3100	}	3410	}
3101		3411
3102	void	3412	void
3103	ev_break (EV_P_ int how)	3413	ev_break (EV_P_ int how) EV_THROW
3104	{	3414	{
3105	loop_done = how;	3415	loop_done = how;
3106	}	3416	}
3107		3417
3108	void	3418	void
3109	ev_ref (EV_P)	3419	ev_ref (EV_P) EV_THROW
3110	{	3420	{
3111	++activecnt;	3421	++activecnt;
3112	}	3422	}
3113		3423
3114	void	3424	void
3115	ev_unref (EV_P)	3425	ev_unref (EV_P) EV_THROW
3116	{	3426	{
3117	--activecnt;	3427	--activecnt;
3118	}	3428	}
3119		3429
3120	void	3430	void
3121	ev_now_update (EV_P)	3431	ev_now_update (EV_P) EV_THROW
3122	{	3432	{
3123	time_update (EV_A_ 1e100);	3433	time_update (EV_A_ 1e100);
3124	}	3434	}
3125		3435
3126	void	3436	void
3127	ev_suspend (EV_P)	3437	ev_suspend (EV_P) EV_THROW
3128	{	3438	{
3129	ev_now_update (EV_A);	3439	ev_now_update (EV_A);
3130	}	3440	}
3131		3441
3132	void	3442	void
3133	ev_resume (EV_P)	3443	ev_resume (EV_P) EV_THROW
3134	{	3444	{
3135	ev_tstamp mn_prev = mn_now;	3445	ev_tstamp mn_prev = mn_now;
3136		3446
3137	ev_now_update (EV_A);	3447	ev_now_update (EV_A);
3138	timers_reschedule (EV_A_ mn_now - mn_prev);	3448	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3177	w->pending = 0;	3487	w->pending = 0;
3178	}	3488	}
3179	}	3489	}
3180		3490
3181	int	3491	int
3182	ev_clear_pending (EV_P_ void *w)	3492	ev_clear_pending (EV_P_ void *w) EV_THROW
3183	{	3493	{
3184	W w_ = (W)w;	3494	W w_ = (W)w;
3185	int pending = w_->pending;	3495	int pending = w_->pending;
3186		3496
3187	if (expect_true (pending))	3497	if (expect_true (pending))
…		…
3220	}	3530	}
3221		3531
3222	/*****************************************************************************/	3532	/*****************************************************************************/
3223		3533
3224	void noinline	3534	void noinline
3225	ev_io_start (EV_P_ ev_io *w)	3535	ev_io_start (EV_P_ ev_io *w) EV_THROW
3226	{	3536	{
3227	int fd = w->fd;	3537	int fd = w->fd;
3228		3538
3229	if (expect_false (ev_is_active (w)))	3539	if (expect_false (ev_is_active (w)))
3230	return;	3540	return;
…		…
3236		3546
3237	ev_start (EV_A_ (W)w, 1);	3547	ev_start (EV_A_ (W)w, 1);
3238	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3548	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3239	wlist_add (&anfds[fd].head, (WL)w);	3549	wlist_add (&anfds[fd].head, (WL)w);
3240		3550
		3551	/* common bug, apparently */
		3552	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3553
3241	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3554	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3242	w->events &= ~EV__IOFDSET;	3555	w->events &= ~EV__IOFDSET;
3243		3556
3244	EV_FREQUENT_CHECK;	3557	EV_FREQUENT_CHECK;
3245	}	3558	}
3246		3559
3247	void noinline	3560	void noinline
3248	ev_io_stop (EV_P_ ev_io *w)	3561	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3249	{	3562	{
3250	clear_pending (EV_A_ (W)w);	3563	clear_pending (EV_A_ (W)w);
3251	if (expect_false (!ev_is_active (w)))	3564	if (expect_false (!ev_is_active (w)))
3252	return;	3565	return;
3253		3566
…		…
3262		3575
3263	EV_FREQUENT_CHECK;	3576	EV_FREQUENT_CHECK;
3264	}	3577	}
3265		3578
3266	void noinline	3579	void noinline
3267	ev_timer_start (EV_P_ ev_timer *w)	3580	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3268	{	3581	{
3269	if (expect_false (ev_is_active (w)))	3582	if (expect_false (ev_is_active (w)))
3270	return;	3583	return;
3271		3584
3272	ev_at (w) += mn_now;	3585	ev_at (w) += mn_now;
…		…
3286		3599
3287	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3600	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3288	}	3601	}
3289		3602
3290	void noinline	3603	void noinline
3291	ev_timer_stop (EV_P_ ev_timer *w)	3604	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3292	{	3605	{
3293	clear_pending (EV_A_ (W)w);	3606	clear_pending (EV_A_ (W)w);
3294	if (expect_false (!ev_is_active (w)))	3607	if (expect_false (!ev_is_active (w)))
3295	return;	3608	return;
3296		3609
…		…
3316		3629
3317	EV_FREQUENT_CHECK;	3630	EV_FREQUENT_CHECK;
3318	}	3631	}
3319		3632
3320	void noinline	3633	void noinline
3321	ev_timer_again (EV_P_ ev_timer *w)	3634	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3322	{	3635	{
3323	EV_FREQUENT_CHECK;	3636	EV_FREQUENT_CHECK;
3324		3637
3325	clear_pending (EV_A_ (W)w);	3638	clear_pending (EV_A_ (W)w);
3326		3639
…		…
3343		3656
3344	EV_FREQUENT_CHECK;	3657	EV_FREQUENT_CHECK;
3345	}	3658	}
3346		3659
3347	ev_tstamp	3660	ev_tstamp
3348	ev_timer_remaining (EV_P_ ev_timer *w)	3661	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3349	{	3662	{
3350	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3663	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3351	}	3664	}
3352		3665
3353	#if EV_PERIODIC_ENABLE	3666	#if EV_PERIODIC_ENABLE
3354	void noinline	3667	void noinline
3355	ev_periodic_start (EV_P_ ev_periodic *w)	3668	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3356	{	3669	{
3357	if (expect_false (ev_is_active (w)))	3670	if (expect_false (ev_is_active (w)))
3358	return;	3671	return;
3359		3672
3360	if (w->reschedule_cb)	3673	if (w->reschedule_cb)
…		…
3380		3693
3381	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3694	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3382	}	3695	}
3383		3696
3384	void noinline	3697	void noinline
3385	ev_periodic_stop (EV_P_ ev_periodic *w)	3698	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3386	{	3699	{
3387	clear_pending (EV_A_ (W)w);	3700	clear_pending (EV_A_ (W)w);
3388	if (expect_false (!ev_is_active (w)))	3701	if (expect_false (!ev_is_active (w)))
3389	return;	3702	return;
3390		3703
…		…
3408		3721
3409	EV_FREQUENT_CHECK;	3722	EV_FREQUENT_CHECK;
3410	}	3723	}
3411		3724
3412	void noinline	3725	void noinline
3413	ev_periodic_again (EV_P_ ev_periodic *w)	3726	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3414	{	3727	{
3415	/* TODO: use adjustheap and recalculation */	3728	/* TODO: use adjustheap and recalculation */
3416	ev_periodic_stop (EV_A_ w);	3729	ev_periodic_stop (EV_A_ w);
3417	ev_periodic_start (EV_A_ w);	3730	ev_periodic_start (EV_A_ w);
3418	}	3731	}
…		…
3423	#endif	3736	#endif
3424		3737
3425	#if EV_SIGNAL_ENABLE	3738	#if EV_SIGNAL_ENABLE
3426		3739
3427	void noinline	3740	void noinline
3428	ev_signal_start (EV_P_ ev_signal *w)	3741	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3429	{	3742	{
3430	if (expect_false (ev_is_active (w)))	3743	if (expect_false (ev_is_active (w)))
3431	return;	3744	return;
3432		3745
3433	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3746	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3435	#if EV_MULTIPLICITY	3748	#if EV_MULTIPLICITY
3436	assert (("libev: a signal must not be attached to two different loops",	3749	assert (("libev: a signal must not be attached to two different loops",
3437	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3750	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3438		3751
3439	signals [w->signum - 1].loop = EV_A;	3752	signals [w->signum - 1].loop = EV_A;
		3753	ECB_MEMORY_FENCE_RELEASE;
3440	#endif	3754	#endif
3441		3755
3442	EV_FREQUENT_CHECK;	3756	EV_FREQUENT_CHECK;
3443		3757
3444	#if EV_USE_SIGNALFD	3758	#if EV_USE_SIGNALFD
…		…
3504		3818
3505	EV_FREQUENT_CHECK;	3819	EV_FREQUENT_CHECK;
3506	}	3820	}
3507		3821
3508	void noinline	3822	void noinline
3509	ev_signal_stop (EV_P_ ev_signal *w)	3823	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3510	{	3824	{
3511	clear_pending (EV_A_ (W)w);	3825	clear_pending (EV_A_ (W)w);
3512	if (expect_false (!ev_is_active (w)))	3826	if (expect_false (!ev_is_active (w)))
3513	return;	3827	return;
3514		3828
…		…
3545	#endif	3859	#endif
3546		3860
3547	#if EV_CHILD_ENABLE	3861	#if EV_CHILD_ENABLE
3548		3862
3549	void	3863	void
3550	ev_child_start (EV_P_ ev_child *w)	3864	ev_child_start (EV_P_ ev_child *w) EV_THROW
3551	{	3865	{
3552	#if EV_MULTIPLICITY	3866	#if EV_MULTIPLICITY
3553	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3867	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3554	#endif	3868	#endif
3555	if (expect_false (ev_is_active (w)))	3869	if (expect_false (ev_is_active (w)))
…		…
3562		3876
3563	EV_FREQUENT_CHECK;	3877	EV_FREQUENT_CHECK;
3564	}	3878	}
3565		3879
3566	void	3880	void
3567	ev_child_stop (EV_P_ ev_child *w)	3881	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3568	{	3882	{
3569	clear_pending (EV_A_ (W)w);	3883	clear_pending (EV_A_ (W)w);
3570	if (expect_false (!ev_is_active (w)))	3884	if (expect_false (!ev_is_active (w)))
3571	return;	3885	return;
3572		3886
…		…
3599	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3913	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3600		3914
3601	static void noinline	3915	static void noinline
3602	infy_add (EV_P_ ev_stat *w)	3916	infy_add (EV_P_ ev_stat *w)
3603	{	3917	{
3604	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);	3918	w->wd = inotify_add_watch (fs_fd, w->path,
		3919	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3920	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3921	| IN_DONT_FOLLOW | IN_MASK_ADD);
3605		3922
3606	if (w->wd >= 0)	3923	if (w->wd >= 0)
3607	{	3924	{
3608	struct statfs sfs;	3925	struct statfs sfs;
3609		3926
…		…
3613		3930
3614	if (!fs_2625)	3931	if (!fs_2625)
3615	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3932	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3616	else if (!statfs (w->path, &sfs)	3933	else if (!statfs (w->path, &sfs)
3617	&& (sfs.f_type == 0x1373 /* devfs */	3934	&& (sfs.f_type == 0x1373 /* devfs */
		3935	|| sfs.f_type == 0x4006 /* fat */
		3936	|| sfs.f_type == 0x4d44 /* msdos */
3618	|| sfs.f_type == 0xEF53 /* ext2/3 */	3937	|| sfs.f_type == 0xEF53 /* ext2/3 */
		3938	|| sfs.f_type == 0x72b6 /* jffs2 */
		3939	|| sfs.f_type == 0x858458f6 /* ramfs */
		3940	|| sfs.f_type == 0x5346544e /* ntfs */
3619	|| sfs.f_type == 0x3153464a /* jfs */	3941	|| sfs.f_type == 0x3153464a /* jfs */
		3942	|| sfs.f_type == 0x9123683e /* btrfs */
3620	|| sfs.f_type == 0x52654973 /* reiser3 */	3943	|| sfs.f_type == 0x52654973 /* reiser3 */
3621	|| sfs.f_type == 0x01021994 /* tempfs */	3944	|| sfs.f_type == 0x01021994 /* tmpfs */
3622	|| sfs.f_type == 0x58465342 /* xfs */))	3945	|| sfs.f_type == 0x58465342 /* xfs */))
3623	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3946	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3624	else	3947	else
3625	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	3948	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3626	}	3949	}
…		…
3739	}	4062	}
3740		4063
3741	inline_size int	4064	inline_size int
3742	infy_newfd (void)	4065	infy_newfd (void)
3743	{	4066	{
3744	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4067	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3745	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4068	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3746	if (fd >= 0)	4069	if (fd >= 0)
3747	return fd;	4070	return fd;
3748	#endif	4071	#endif
3749	return inotify_init ();	4072	return inotify_init ();
…		…
3824	#else	4147	#else
3825	# define EV_LSTAT(p,b) lstat (p, b)	4148	# define EV_LSTAT(p,b) lstat (p, b)
3826	#endif	4149	#endif
3827		4150
3828	void	4151	void
3829	ev_stat_stat (EV_P_ ev_stat *w)	4152	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3830	{	4153	{
3831	if (lstat (w->path, &w->attr) < 0)	4154	if (lstat (w->path, &w->attr) < 0)
3832	w->attr.st_nlink = 0;	4155	w->attr.st_nlink = 0;
3833	else if (!w->attr.st_nlink)	4156	else if (!w->attr.st_nlink)
3834	w->attr.st_nlink = 1;	4157	w->attr.st_nlink = 1;
…		…
3873	ev_feed_event (EV_A_ w, EV_STAT);	4196	ev_feed_event (EV_A_ w, EV_STAT);
3874	}	4197	}
3875	}	4198	}
3876		4199
3877	void	4200	void
3878	ev_stat_start (EV_P_ ev_stat *w)	4201	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3879	{	4202	{
3880	if (expect_false (ev_is_active (w)))	4203	if (expect_false (ev_is_active (w)))
3881	return;	4204	return;
3882		4205
3883	ev_stat_stat (EV_A_ w);	4206	ev_stat_stat (EV_A_ w);
…		…
3904		4227
3905	EV_FREQUENT_CHECK;	4228	EV_FREQUENT_CHECK;
3906	}	4229	}
3907		4230
3908	void	4231	void
3909	ev_stat_stop (EV_P_ ev_stat *w)	4232	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3910	{	4233	{
3911	clear_pending (EV_A_ (W)w);	4234	clear_pending (EV_A_ (W)w);
3912	if (expect_false (!ev_is_active (w)))	4235	if (expect_false (!ev_is_active (w)))
3913	return;	4236	return;
3914		4237
…		…
3930	}	4253	}
3931	#endif	4254	#endif
3932		4255
3933	#if EV_IDLE_ENABLE	4256	#if EV_IDLE_ENABLE
3934	void	4257	void
3935	ev_idle_start (EV_P_ ev_idle *w)	4258	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3936	{	4259	{
3937	if (expect_false (ev_is_active (w)))	4260	if (expect_false (ev_is_active (w)))
3938	return;	4261	return;
3939		4262
3940	pri_adjust (EV_A_ (W)w);	4263	pri_adjust (EV_A_ (W)w);
…		…
3953		4276
3954	EV_FREQUENT_CHECK;	4277	EV_FREQUENT_CHECK;
3955	}	4278	}
3956		4279
3957	void	4280	void
3958	ev_idle_stop (EV_P_ ev_idle *w)	4281	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3959	{	4282	{
3960	clear_pending (EV_A_ (W)w);	4283	clear_pending (EV_A_ (W)w);
3961	if (expect_false (!ev_is_active (w)))	4284	if (expect_false (!ev_is_active (w)))
3962	return;	4285	return;
3963		4286
…		…
3977	}	4300	}
3978	#endif	4301	#endif
3979		4302
3980	#if EV_PREPARE_ENABLE	4303	#if EV_PREPARE_ENABLE
3981	void	4304	void
3982	ev_prepare_start (EV_P_ ev_prepare *w)	4305	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3983	{	4306	{
3984	if (expect_false (ev_is_active (w)))	4307	if (expect_false (ev_is_active (w)))
3985	return;	4308	return;
3986		4309
3987	EV_FREQUENT_CHECK;	4310	EV_FREQUENT_CHECK;
…		…
3992		4315
3993	EV_FREQUENT_CHECK;	4316	EV_FREQUENT_CHECK;
3994	}	4317	}
3995		4318
3996	void	4319	void
3997	ev_prepare_stop (EV_P_ ev_prepare *w)	4320	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3998	{	4321	{
3999	clear_pending (EV_A_ (W)w);	4322	clear_pending (EV_A_ (W)w);
4000	if (expect_false (!ev_is_active (w)))	4323	if (expect_false (!ev_is_active (w)))
4001	return;	4324	return;
4002		4325
…		…
4015	}	4338	}
4016	#endif	4339	#endif
4017		4340
4018	#if EV_CHECK_ENABLE	4341	#if EV_CHECK_ENABLE
4019	void	4342	void
4020	ev_check_start (EV_P_ ev_check *w)	4343	ev_check_start (EV_P_ ev_check *w) EV_THROW
4021	{	4344	{
4022	if (expect_false (ev_is_active (w)))	4345	if (expect_false (ev_is_active (w)))
4023	return;	4346	return;
4024		4347
4025	EV_FREQUENT_CHECK;	4348	EV_FREQUENT_CHECK;
…		…
4030		4353
4031	EV_FREQUENT_CHECK;	4354	EV_FREQUENT_CHECK;
4032	}	4355	}
4033		4356
4034	void	4357	void
4035	ev_check_stop (EV_P_ ev_check *w)	4358	ev_check_stop (EV_P_ ev_check *w) EV_THROW
4036	{	4359	{
4037	clear_pending (EV_A_ (W)w);	4360	clear_pending (EV_A_ (W)w);
4038	if (expect_false (!ev_is_active (w)))	4361	if (expect_false (!ev_is_active (w)))
4039	return;	4362	return;
4040		4363
…		…
4053	}	4376	}
4054	#endif	4377	#endif
4055		4378
4056	#if EV_EMBED_ENABLE	4379	#if EV_EMBED_ENABLE
4057	void noinline	4380	void noinline
4058	ev_embed_sweep (EV_P_ ev_embed *w)	4381	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4059	{	4382	{
4060	ev_run (w->other, EVRUN_NOWAIT);	4383	ev_run (w->other, EVRUN_NOWAIT);
4061	}	4384	}
4062		4385
4063	static void	4386	static void
…		…
4111	ev_idle_stop (EV_A_ idle);	4434	ev_idle_stop (EV_A_ idle);
4112	}	4435	}
4113	#endif	4436	#endif
4114		4437
4115	void	4438	void
4116	ev_embed_start (EV_P_ ev_embed *w)	4439	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4117	{	4440	{
4118	if (expect_false (ev_is_active (w)))	4441	if (expect_false (ev_is_active (w)))
4119	return;	4442	return;
4120		4443
4121	{	4444	{
…		…
4142		4465
4143	EV_FREQUENT_CHECK;	4466	EV_FREQUENT_CHECK;
4144	}	4467	}
4145		4468
4146	void	4469	void
4147	ev_embed_stop (EV_P_ ev_embed *w)	4470	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4148	{	4471	{
4149	clear_pending (EV_A_ (W)w);	4472	clear_pending (EV_A_ (W)w);
4150	if (expect_false (!ev_is_active (w)))	4473	if (expect_false (!ev_is_active (w)))
4151	return;	4474	return;
4152		4475
…		…
4162	}	4485	}
4163	#endif	4486	#endif
4164		4487
4165	#if EV_FORK_ENABLE	4488	#if EV_FORK_ENABLE
4166	void	4489	void
4167	ev_fork_start (EV_P_ ev_fork *w)	4490	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4168	{	4491	{
4169	if (expect_false (ev_is_active (w)))	4492	if (expect_false (ev_is_active (w)))
4170	return;	4493	return;
4171		4494
4172	EV_FREQUENT_CHECK;	4495	EV_FREQUENT_CHECK;
…		…
4177		4500
4178	EV_FREQUENT_CHECK;	4501	EV_FREQUENT_CHECK;
4179	}	4502	}
4180		4503
4181	void	4504	void
4182	ev_fork_stop (EV_P_ ev_fork *w)	4505	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4183	{	4506	{
4184	clear_pending (EV_A_ (W)w);	4507	clear_pending (EV_A_ (W)w);
4185	if (expect_false (!ev_is_active (w)))	4508	if (expect_false (!ev_is_active (w)))
4186	return;	4509	return;
4187		4510
…		…
4200	}	4523	}
4201	#endif	4524	#endif
4202		4525
4203	#if EV_CLEANUP_ENABLE	4526	#if EV_CLEANUP_ENABLE
4204	void	4527	void
4205	ev_cleanup_start (EV_P_ ev_cleanup *w)	4528	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4206	{	4529	{
4207	if (expect_false (ev_is_active (w)))	4530	if (expect_false (ev_is_active (w)))
4208	return;	4531	return;
4209		4532
4210	EV_FREQUENT_CHECK;	4533	EV_FREQUENT_CHECK;
…		…
4217	ev_unref (EV_A);	4540	ev_unref (EV_A);
4218	EV_FREQUENT_CHECK;	4541	EV_FREQUENT_CHECK;
4219	}	4542	}
4220		4543
4221	void	4544	void
4222	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4545	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4223	{	4546	{
4224	clear_pending (EV_A_ (W)w);	4547	clear_pending (EV_A_ (W)w);
4225	if (expect_false (!ev_is_active (w)))	4548	if (expect_false (!ev_is_active (w)))
4226	return;	4549	return;
4227		4550
…		…
4241	}	4564	}
4242	#endif	4565	#endif
4243		4566
4244	#if EV_ASYNC_ENABLE	4567	#if EV_ASYNC_ENABLE
4245	void	4568	void
4246	ev_async_start (EV_P_ ev_async *w)	4569	ev_async_start (EV_P_ ev_async *w) EV_THROW
4247	{	4570	{
4248	if (expect_false (ev_is_active (w)))	4571	if (expect_false (ev_is_active (w)))
4249	return;	4572	return;
4250		4573
4251	w->sent = 0;	4574	w->sent = 0;
…		…
4260		4583
4261	EV_FREQUENT_CHECK;	4584	EV_FREQUENT_CHECK;
4262	}	4585	}
4263		4586
4264	void	4587	void
4265	ev_async_stop (EV_P_ ev_async *w)	4588	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4266	{	4589	{
4267	clear_pending (EV_A_ (W)w);	4590	clear_pending (EV_A_ (W)w);
4268	if (expect_false (!ev_is_active (w)))	4591	if (expect_false (!ev_is_active (w)))
4269	return;	4592	return;
4270		4593
…		…
4281		4604
4282	EV_FREQUENT_CHECK;	4605	EV_FREQUENT_CHECK;
4283	}	4606	}
4284		4607
4285	void	4608	void
4286	ev_async_send (EV_P_ ev_async *w)	4609	ev_async_send (EV_P_ ev_async *w) EV_THROW
4287	{	4610	{
4288	w->sent = 1;	4611	w->sent = 1;
4289	evpipe_write (EV_A_ &async_pending);	4612	evpipe_write (EV_A_ &async_pending);
4290	}	4613	}
4291	#endif	4614	#endif
…		…
4328		4651
4329	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4652	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4330	}	4653	}
4331		4654
4332	void	4655	void
4333	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4656	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4334	{	4657	{
4335	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4658	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4336		4659
4337	if (expect_false (!once))	4660	if (expect_false (!once))
4338	{	4661	{
…		…
4360		4683
4361	/*****************************************************************************/	4684	/*****************************************************************************/
4362		4685
4363	#if EV_WALK_ENABLE	4686	#if EV_WALK_ENABLE
4364	void ecb_cold	4687	void ecb_cold
4365	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4688	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4366	{	4689	{
4367	int i, j;	4690	int i, j;
4368	ev_watcher_list *wl, *wn;	4691	ev_watcher_list *wl, *wn;
4369		4692
4370	if (types & (EV_IO | EV_EMBED))	4693	if (types & (EV_IO | EV_EMBED))

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