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Comparing libev/ev.c (file contents):
Revision 1.408 by root, Fri Jan 27 22:28:49 2012 UTC vs.
Revision 1.456 by root, Thu Jul 4 22:32:23 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
…		…
345		357
346	#ifndef EV_HEAP_CACHE_AT	358	#ifndef EV_HEAP_CACHE_AT
347	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
348	#endif	360	#endif
349		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
350	/* 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, */
351	/* which makes programs even slower. might work on other unices, too. */	379	/* which makes programs even slower. might work on other unices, too. */
352	#if EV_USE_CLOCK_SYSCALL	380	#if EV_USE_CLOCK_SYSCALL
353	# include <syscall.h>	381	# include <sys/syscall.h>
354	# ifdef SYS_clock_gettime	382	# ifdef SYS_clock_gettime
355	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	383	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
356	# undef EV_USE_MONOTONIC	384	# undef EV_USE_MONOTONIC
357	# define EV_USE_MONOTONIC 1	385	# define EV_USE_MONOTONIC 1
358	# else	386	# else
…		…
361	# endif	389	# endif
362	#endif	390	#endif
363		391
364	/* 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 */
365		393
366	#ifdef _AIX
367	/* AIX has a completely broken poll.h header */
368	# undef EV_USE_POLL
369	# define EV_USE_POLL 0
370	#endif
371
372	#ifndef CLOCK_MONOTONIC	394	#ifndef CLOCK_MONOTONIC
373	# undef EV_USE_MONOTONIC	395	# undef EV_USE_MONOTONIC
374	# define EV_USE_MONOTONIC 0	396	# define EV_USE_MONOTONIC 0
375	#endif	397	#endif
376		398
…		…
384	# define EV_USE_INOTIFY 0	406	# define EV_USE_INOTIFY 0
385	#endif	407	#endif
386		408
387	#if !EV_USE_NANOSLEEP	409	#if !EV_USE_NANOSLEEP
388	/* 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 */
389	# if !defined(_WIN32) && !defined(__hpux)	411	# if !defined _WIN32 && !defined __hpux
390	# include <sys/select.h>	412	# include <sys/select.h>
391	# endif	413	# endif
392	#endif	414	#endif
393		415
394	#if EV_USE_INOTIFY	416	#if EV_USE_INOTIFY
…		…
397	/* 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 */
398	# ifndef IN_DONT_FOLLOW	420	# ifndef IN_DONT_FOLLOW
399	# undef EV_USE_INOTIFY	421	# undef EV_USE_INOTIFY
400	# define EV_USE_INOTIFY 0	422	# define EV_USE_INOTIFY 0
401	# endif	423	# endif
402	#endif
403
404	#if EV_SELECT_IS_WINSOCKET
405	# include <winsock.h>
406	#endif	424	#endif
407		425
408	#if EV_USE_EVENTFD	426	#if EV_USE_EVENTFD
409	/* 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 */
410	# include <stdint.h>	428	# include <stdint.h>
…		…
496	*/	514	*/
497		515
498	#ifndef ECB_H	516	#ifndef ECB_H
499	#define ECB_H	517	#define ECB_H
500		518
		519	/* 16 bits major, 16 bits minor */
		520	#define ECB_VERSION 0x00010003
		521
501	#ifdef _WIN32	522	#ifdef _WIN32
502	typedef signed char int8_t;	523	typedef signed char int8_t;
503	typedef unsigned char uint8_t;	524	typedef unsigned char uint8_t;
504	typedef signed short int16_t;	525	typedef signed short int16_t;
505	typedef unsigned short uint16_t;	526	typedef unsigned short uint16_t;
…		…
510	typedef unsigned long long uint64_t;	531	typedef unsigned long long uint64_t;
511	#else /* _MSC_VER || __BORLANDC__ */	532	#else /* _MSC_VER || __BORLANDC__ */
512	typedef signed __int64 int64_t;	533	typedef signed __int64 int64_t;
513	typedef unsigned __int64 uint64_t;	534	typedef unsigned __int64 uint64_t;
514	#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
515	#else	545	#else
516	#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
517	#endif	561	#endif
518		562
519	/* many compilers define _GNUC_ to some versions but then only implement	563	/* many compilers define _GNUC_ to some versions but then only implement
520	* what their idiot authors think are the "more important" extensions,	564	* what their idiot authors think are the "more important" extensions,
521	* causing enormous grief in return for some better fake benchmark numbers.	565	* causing enormous grief in return for some better fake benchmark numbers.
522	* or so.	566	* or so.
523	* 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
524	* 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.
525	*/	569	*/
526	#ifndef ECB_GCC_VERSION	570	#ifndef ECB_GCC_VERSION
527	#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__
528	#define ECB_GCC_VERSION(major,minor) 0	572	#define ECB_GCC_VERSION(major,minor) 0
529	#else	573	#else
530	#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)))
531	#endif	575	#endif
532	#endif	576	#endif
533		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
534	/*****************************************************************************/	594	/*****************************************************************************/
535		595
536	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	596	/* 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 */	597	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
538		598
539	#if ECB_NO_THREADS || ECB_NO_SMP	599	#if ECB_NO_THREADS
		600	#define ECB_NO_SMP 1
		601	#endif
		602
		603	#if ECB_NO_SMP
540	#define ECB_MEMORY_FENCE do { } while (0)	604	#define ECB_MEMORY_FENCE do { } while (0)
541	#endif	605	#endif
542		606
543	#ifndef ECB_MEMORY_FENCE	607	#ifndef ECB_MEMORY_FENCE
544	#if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
545	#if __i386 || __i386__	609	#if __i386 || __i386__
546	#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")
547	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	611	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
548	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	612	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
549	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	613	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
550	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	614	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
551	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	615	#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 */	616	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
553	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	617	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
554	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
555	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	619	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
556	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	620	|| 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")	621	#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__ ) \	622	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
559	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	623	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
560	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	624	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
561	#elif __sparc || __sparc__	625	#elif __sparc || __sparc__
562	#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")
563	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
564	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
565	#elif defined(__s390__) || defined(__s390x__)	629	#elif defined __s390__ || defined __s390x__
566	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		631	#elif defined __mips__
		632	/* GNU/Linux emulates sync on mips1 architectures, so we force it's use */
		633	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		634	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		635	#elif defined __alpha__
		636	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		637	#elif defined __hppa__
		638	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		639	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		640	#elif defined __ia64__
		641	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
567	#endif	642	#endif
568	#endif	643	#endif
569	#endif	644	#endif
570		645
571	#ifndef ECB_MEMORY_FENCE	646	#ifndef ECB_MEMORY_FENCE
		647	#if ECB_GCC_VERSION(4,7)
		648	/* see comment below (stdatomic.h) about the C11 memory model. */
		649	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		650
		651	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		652	* without risking compile time errors with other compilers. We *could*
		653	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		654	* around this shit time and again.
		655	* #elif defined __clang && __has_feature (cxx_atomic)
		656	* // see comment below (stdatomic.h) about the C11 memory model.
		657	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		658	*/
		659
572	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)	660	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
573	#define ECB_MEMORY_FENCE __sync_synchronize ()	661	#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 */	662	#elif _MSC_VER >= 1400 /* VC++ 2005 */
577	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	663	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
578	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	664	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
579	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	665	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
580	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	666	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
581	#elif defined(_WIN32)	667	#elif defined _WIN32
582	#include <WinNT.h>	668	#include <WinNT.h>
583	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	669	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
584	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	670	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
585	#include <mbarrier.h>	671	#include <mbarrier.h>
586	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	672	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
587	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	673	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
588	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	674	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		675	#elif __xlC__
		676	#define ECB_MEMORY_FENCE __sync ()
		677	#endif
		678	#endif
		679
		680	#ifndef ECB_MEMORY_FENCE
		681	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		682	/* we assume that these memory fences work on all variables/all memory accesses, */
		683	/* not just C11 atomics and atomic accesses */
		684	#include <stdatomic.h>
		685	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		686	/* any fence other than seq_cst, which isn't very efficient for us. */
		687	/* Why that is, we don't know - either the C11 memory model is quite useless */
		688	/* for most usages, or gcc and clang have a bug */
		689	/* I *currently* lean towards the latter, and inefficiently implement */
		690	/* all three of ecb's fences as a seq_cst fence */
		691	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
589	#endif	692	#endif
590	#endif	693	#endif
591		694
592	#ifndef ECB_MEMORY_FENCE	695	#ifndef ECB_MEMORY_FENCE
593	#if !ECB_AVOID_PTHREADS	696	#if !ECB_AVOID_PTHREADS
…		…
605	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	708	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)	709	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
607	#endif	710	#endif
608	#endif	711	#endif
609		712
610	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	713	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
611	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	714	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
612	#endif	715	#endif
613		716
614	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	717	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
615	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	718	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
616	#endif	719	#endif
617		720
618	/*****************************************************************************/	721	/*****************************************************************************/
619
620	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
621		722
622	#if __cplusplus	723	#if __cplusplus
623	#define ecb_inline static inline	724	#define ecb_inline static inline
624	#elif ECB_GCC_VERSION(2,5)	725	#elif ECB_GCC_VERSION(2,5)
625	#define ecb_inline static __inline__	726	#define ecb_inline static __inline__
…		…
664	#elif ECB_GCC_VERSION(3,0)	765	#elif ECB_GCC_VERSION(3,0)
665	#define ecb_decltype(x) __typeof(x)	766	#define ecb_decltype(x) __typeof(x)
666	#endif	767	#endif
667		768
668	#define ecb_noinline ecb_attribute ((__noinline__))	769	#define ecb_noinline ecb_attribute ((__noinline__))
669	#define ecb_noreturn ecb_attribute ((__noreturn__))
670	#define ecb_unused ecb_attribute ((__unused__))	770	#define ecb_unused ecb_attribute ((__unused__))
671	#define ecb_const ecb_attribute ((__const__))	771	#define ecb_const ecb_attribute ((__const__))
672	#define ecb_pure ecb_attribute ((__pure__))	772	#define ecb_pure ecb_attribute ((__pure__))
		773
		774	#if ECB_C11
		775	#define ecb_noreturn _Noreturn
		776	#else
		777	#define ecb_noreturn ecb_attribute ((__noreturn__))
		778	#endif
673		779
674	#if ECB_GCC_VERSION(4,3)	780	#if ECB_GCC_VERSION(4,3)
675	#define ecb_artificial ecb_attribute ((__artificial__))	781	#define ecb_artificial ecb_attribute ((__artificial__))
676	#define ecb_hot ecb_attribute ((__hot__))	782	#define ecb_hot ecb_attribute ((__hot__))
677	#define ecb_cold ecb_attribute ((__cold__))	783	#define ecb_cold ecb_attribute ((__cold__))
…		…
768		874
769	return r + ecb_ld32 (x);	875	return r + ecb_ld32 (x);
770	}	876	}
771	#endif	877	#endif
772		878
		879	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		880	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		881	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		882	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		883
773	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	884	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
774	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	885	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
775	{	886	{
776	return ( (x * 0x0802U & 0x22110U)	887	return ( (x * 0x0802U & 0x22110U)
777	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	888	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
…		…
861	ecb_inline void ecb_unreachable (void) ecb_noreturn;	972	ecb_inline void ecb_unreachable (void) ecb_noreturn;
862	ecb_inline void ecb_unreachable (void) { }	973	ecb_inline void ecb_unreachable (void) { }
863	#endif	974	#endif
864		975
865	/* try to tell the compiler that some condition is definitely true */	976	/* try to tell the compiler that some condition is definitely true */
866	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	977	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
867		978
868	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	979	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
869	ecb_inline unsigned char	980	ecb_inline unsigned char
870	ecb_byteorder_helper (void)	981	ecb_byteorder_helper (void)
871	{	982	{
872	const uint32_t u = 0x11223344;	983	/* the union code still generates code under pressure in gcc, */
873	return *(unsigned char *)&u;	984	/* but less than using pointers, and always seems to */
		985	/* successfully return a constant. */
		986	/* the reason why we have this horrible preprocessor mess */
		987	/* is to avoid it in all cases, at least on common architectures */
		988	/* or when using a recent enough gcc version (>= 4.6) */
		989	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		990	return 0x44;
		991	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		992	return 0x44;
		993	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		994	return 0x11;
		995	#else
		996	union
		997	{
		998	uint32_t i;
		999	uint8_t c;
		1000	} u = { 0x11223344 };
		1001	return u.c;
		1002	#endif
874	}	1003	}
875		1004
876	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1005	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
877	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1006	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
878	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1007	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
…		…
909	}	1038	}
910	#else	1039	#else
911	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1040	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
912	#endif	1041	#endif
913		1042
		1043	/*******************************************************************************/
		1044	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1045
		1046	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1047	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1048	#if 0 \
		1049	|| __i386 || __i386__ \
		1050	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1051	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1052	|| defined __arm__ && defined __ARM_EABI__ \
		1053	|| defined __s390__ || defined __s390x__ \
		1054	|| defined __mips__ \
		1055	|| defined __alpha__ \
		1056	|| defined __hppa__ \
		1057	|| defined __ia64__ \
		1058	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1059	#define ECB_STDFP 1
		1060	#include <string.h> /* for memcpy */
		1061	#else
		1062	#define ECB_STDFP 0
		1063	#include <math.h> /* for frexp*, ldexp* */
		1064	#endif
		1065
		1066	#ifndef ECB_NO_LIBM
		1067
		1068	/* convert a float to ieee single/binary32 */
		1069	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1070	ecb_function_ uint32_t
		1071	ecb_float_to_binary32 (float x)
		1072	{
		1073	uint32_t r;
		1074
		1075	#if ECB_STDFP
		1076	memcpy (&r, &x, 4);
		1077	#else
		1078	/* slow emulation, works for anything but -0 */
		1079	uint32_t m;
		1080	int e;
		1081
		1082	if (x == 0e0f ) return 0x00000000U;
		1083	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1084	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1085	if (x != x ) return 0x7fbfffffU;
		1086
		1087	m = frexpf (x, &e) * 0x1000000U;
		1088
		1089	r = m & 0x80000000U;
		1090
		1091	if (r)
		1092	m = -m;
		1093
		1094	if (e <= -126)
		1095	{
		1096	m &= 0xffffffU;
		1097	m >>= (-125 - e);
		1098	e = -126;
		1099	}
		1100
		1101	r |= (e + 126) << 23;
		1102	r |= m & 0x7fffffU;
		1103	#endif
		1104
		1105	return r;
		1106	}
		1107
		1108	/* converts an ieee single/binary32 to a float */
		1109	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1110	ecb_function_ float
		1111	ecb_binary32_to_float (uint32_t x)
		1112	{
		1113	float r;
		1114
		1115	#if ECB_STDFP
		1116	memcpy (&r, &x, 4);
		1117	#else
		1118	/* emulation, only works for normals and subnormals and +0 */
		1119	int neg = x >> 31;
		1120	int e = (x >> 23) & 0xffU;
		1121
		1122	x &= 0x7fffffU;
		1123
		1124	if (e)
		1125	x |= 0x800000U;
		1126	else
		1127	e = 1;
		1128
		1129	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1130	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1131
		1132	r = neg ? -r : r;
		1133	#endif
		1134
		1135	return r;
		1136	}
		1137
		1138	/* convert a double to ieee double/binary64 */
		1139	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1140	ecb_function_ uint64_t
		1141	ecb_double_to_binary64 (double x)
		1142	{
		1143	uint64_t r;
		1144
		1145	#if ECB_STDFP
		1146	memcpy (&r, &x, 8);
		1147	#else
		1148	/* slow emulation, works for anything but -0 */
		1149	uint64_t m;
		1150	int e;
		1151
		1152	if (x == 0e0 ) return 0x0000000000000000U;
		1153	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1154	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1155	if (x != x ) return 0X7ff7ffffffffffffU;
		1156
		1157	m = frexp (x, &e) * 0x20000000000000U;
		1158
		1159	r = m & 0x8000000000000000;;
		1160
		1161	if (r)
		1162	m = -m;
		1163
		1164	if (e <= -1022)
		1165	{
		1166	m &= 0x1fffffffffffffU;
		1167	m >>= (-1021 - e);
		1168	e = -1022;
		1169	}
		1170
		1171	r |= ((uint64_t)(e + 1022)) << 52;
		1172	r |= m & 0xfffffffffffffU;
		1173	#endif
		1174
		1175	return r;
		1176	}
		1177
		1178	/* converts an ieee double/binary64 to a double */
		1179	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1180	ecb_function_ double
		1181	ecb_binary64_to_double (uint64_t x)
		1182	{
		1183	double r;
		1184
		1185	#if ECB_STDFP
		1186	memcpy (&r, &x, 8);
		1187	#else
		1188	/* emulation, only works for normals and subnormals and +0 */
		1189	int neg = x >> 63;
		1190	int e = (x >> 52) & 0x7ffU;
		1191
		1192	x &= 0xfffffffffffffU;
		1193
		1194	if (e)
		1195	x |= 0x10000000000000U;
		1196	else
		1197	e = 1;
		1198
		1199	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1200	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1201
		1202	r = neg ? -r : r;
		1203	#endif
		1204
		1205	return r;
		1206	}
		1207
		1208	#endif
		1209
914	#endif	1210	#endif
915		1211
916	/* ECB.H END */	1212	/* ECB.H END */
917		1213
918	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1214	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
…		…
1084	{	1380	{
1085	write (STDERR_FILENO, msg, strlen (msg));	1381	write (STDERR_FILENO, msg, strlen (msg));
1086	}	1382	}
1087	#endif	1383	#endif
1088		1384
1089	static void (*syserr_cb)(const char *msg);	1385	static void (*syserr_cb)(const char *msg) EV_THROW;
1090		1386
1091	void ecb_cold	1387	void ecb_cold
1092	ev_set_syserr_cb (void (*cb)(const char *msg))	1388	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1093	{	1389	{
1094	syserr_cb = cb;	1390	syserr_cb = cb;
1095	}	1391	}
1096		1392
1097	static void noinline ecb_cold	1393	static void noinline ecb_cold
…		…
1115	abort ();	1411	abort ();
1116	}	1412	}
1117	}	1413	}
1118		1414
1119	static void *	1415	static void *
1120	ev_realloc_emul (void *ptr, long size)	1416	ev_realloc_emul (void *ptr, long size) EV_THROW
1121	{	1417	{
1122	#if __GLIBC__
1123	return realloc (ptr, size);
1124	#else
1125	/* some systems, notably openbsd and darwin, fail to properly	1418	/* some systems, notably openbsd and darwin, fail to properly
1126	* implement realloc (x, 0) (as required by both ansi c-89 and	1419	* implement realloc (x, 0) (as required by both ansi c-89 and
1127	* the single unix specification, so work around them here.	1420	* the single unix specification, so work around them here.
		1421	* recently, also (at least) fedora and debian started breaking it,
		1422	* despite documenting it otherwise.
1128	*/	1423	*/
1129		1424
1130	if (size)	1425	if (size)
1131	return realloc (ptr, size);	1426	return realloc (ptr, size);
1132		1427
1133	free (ptr);	1428	free (ptr);
1134	return 0;	1429	return 0;
1135	#endif
1136	}	1430	}
1137		1431
1138	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1432	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1139		1433
1140	void ecb_cold	1434	void ecb_cold
1141	ev_set_allocator (void *(*cb)(void *ptr, long size))	1435	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1142	{	1436	{
1143	alloc = cb;	1437	alloc = cb;
1144	}	1438	}
1145		1439
1146	inline_speed void *	1440	inline_speed void *
…		…
1263		1557
1264	/*****************************************************************************/	1558	/*****************************************************************************/
1265		1559
1266	#ifndef EV_HAVE_EV_TIME	1560	#ifndef EV_HAVE_EV_TIME
1267	ev_tstamp	1561	ev_tstamp
1268	ev_time (void)	1562	ev_time (void) EV_THROW
1269	{	1563	{
1270	#if EV_USE_REALTIME	1564	#if EV_USE_REALTIME
1271	if (expect_true (have_realtime))	1565	if (expect_true (have_realtime))
1272	{	1566	{
1273	struct timespec ts;	1567	struct timespec ts;
…		…
1297	return ev_time ();	1591	return ev_time ();
1298	}	1592	}
1299		1593
1300	#if EV_MULTIPLICITY	1594	#if EV_MULTIPLICITY
1301	ev_tstamp	1595	ev_tstamp
1302	ev_now (EV_P)	1596	ev_now (EV_P) EV_THROW
1303	{	1597	{
1304	return ev_rt_now;	1598	return ev_rt_now;
1305	}	1599	}
1306	#endif	1600	#endif
1307		1601
1308	void	1602	void
1309	ev_sleep (ev_tstamp delay)	1603	ev_sleep (ev_tstamp delay) EV_THROW
1310	{	1604	{
1311	if (delay > 0.)	1605	if (delay > 0.)
1312	{	1606	{
1313	#if EV_USE_NANOSLEEP	1607	#if EV_USE_NANOSLEEP
1314	struct timespec ts;	1608	struct timespec ts;
1315		1609
1316	EV_TS_SET (ts, delay);	1610	EV_TS_SET (ts, delay);
1317	nanosleep (&ts, 0);	1611	nanosleep (&ts, 0);
1318	#elif defined(_WIN32)	1612	#elif defined _WIN32
1319	Sleep ((unsigned long)(delay * 1e3));	1613	Sleep ((unsigned long)(delay * 1e3));
1320	#else	1614	#else
1321	struct timeval tv;	1615	struct timeval tv;
1322		1616
1323	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1617	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1395	pendingcb (EV_P_ ev_prepare *w, int revents)	1689	pendingcb (EV_P_ ev_prepare *w, int revents)
1396	{	1690	{
1397	}	1691	}
1398		1692
1399	void noinline	1693	void noinline
1400	ev_feed_event (EV_P_ void *w, int revents)	1694	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1401	{	1695	{
1402	W w_ = (W)w;	1696	W w_ = (W)w;
1403	int pri = ABSPRI (w_);	1697	int pri = ABSPRI (w_);
1404		1698
1405	if (expect_false (w_->pending))	1699	if (expect_false (w_->pending))
…		…
1409	w_->pending = ++pendingcnt [pri];	1703	w_->pending = ++pendingcnt [pri];
1410	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1704	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1411	pendings [pri][w_->pending - 1].w = w_;	1705	pendings [pri][w_->pending - 1].w = w_;
1412	pendings [pri][w_->pending - 1].events = revents;	1706	pendings [pri][w_->pending - 1].events = revents;
1413	}	1707	}
		1708
		1709	pendingpri = NUMPRI - 1;
1414	}	1710	}
1415		1711
1416	inline_speed void	1712	inline_speed void
1417	feed_reverse (EV_P_ W w)	1713	feed_reverse (EV_P_ W w)
1418	{	1714	{
…		…
1464	if (expect_true (!anfd->reify))	1760	if (expect_true (!anfd->reify))
1465	fd_event_nocheck (EV_A_ fd, revents);	1761	fd_event_nocheck (EV_A_ fd, revents);
1466	}	1762	}
1467		1763
1468	void	1764	void
1469	ev_feed_fd_event (EV_P_ int fd, int revents)	1765	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1470	{	1766	{
1471	if (fd >= 0 && fd < anfdmax)	1767	if (fd >= 0 && fd < anfdmax)
1472	fd_event_nocheck (EV_A_ fd, revents);	1768	fd_event_nocheck (EV_A_ fd, revents);
1473	}	1769	}
1474		1770
…		…
1793	static void noinline ecb_cold	2089	static void noinline ecb_cold
1794	evpipe_init (EV_P)	2090	evpipe_init (EV_P)
1795	{	2091	{
1796	if (!ev_is_active (&pipe_w))	2092	if (!ev_is_active (&pipe_w))
1797	{	2093	{
		2094	int fds [2];
		2095
1798	# if EV_USE_EVENTFD	2096	# if EV_USE_EVENTFD
		2097	fds [0] = -1;
1799	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2098	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1800	if (evfd < 0 && errno == EINVAL)	2099	if (fds [1] < 0 && errno == EINVAL)
1801	evfd = eventfd (0, 0);	2100	fds [1] = eventfd (0, 0);
1802		2101
1803	if (evfd >= 0)	2102	if (fds [1] < 0)
		2103	# endif
1804	{	2104	{
		2105	while (pipe (fds))
		2106	ev_syserr ("(libev) error creating signal/async pipe");
		2107
		2108	fd_intern (fds [0]);
		2109	}
		2110
1805	evpipe [0] = -1;	2111	evpipe [0] = fds [0];
1806	fd_intern (evfd); /* doing it twice doesn't hurt */	2112
1807	ev_io_set (&pipe_w, evfd, EV_READ);	2113	if (evpipe [1] < 0)
		2114	evpipe [1] = fds [1]; /* first call, set write fd */
		2115	else
		2116	{
		2117	/* on subsequent calls, do not change evpipe [1] */
		2118	/* so that evpipe_write can always rely on its value. */
		2119	/* this branch does not do anything sensible on windows, */
		2120	/* so must not be executed on windows */
		2121
		2122	dup2 (fds [1], evpipe [1]);
		2123	close (fds [1]);
		2124	}
		2125
		2126	fd_intern (evpipe [1]);
		2127
		2128	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2129	ev_io_start (EV_A_ &pipe_w);
		2130	ev_unref (EV_A); /* watcher should not keep loop alive */
		2131	}
		2132	}
		2133
		2134	inline_speed void
		2135	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2136	{
		2137	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2138
		2139	if (expect_true (*flag))
		2140	return;
		2141
		2142	*flag = 1;
		2143	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2144
		2145	pipe_write_skipped = 1;
		2146
		2147	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2148
		2149	if (pipe_write_wanted)
		2150	{
		2151	int old_errno;
		2152
		2153	pipe_write_skipped = 0;
		2154	ECB_MEMORY_FENCE_RELEASE;
		2155
		2156	old_errno = errno; /* save errno because write will clobber it */
		2157
		2158	#if EV_USE_EVENTFD
		2159	if (evpipe [0] < 0)
		2160	{
		2161	uint64_t counter = 1;
		2162	write (evpipe [1], &counter, sizeof (uint64_t));
1808	}	2163	}
1809	else	2164	else
1810	# endif	2165	#endif
1811	{	2166	{
1812	while (pipe (evpipe))	2167	#ifdef _WIN32
1813	ev_syserr ("(libev) error creating signal/async pipe");	2168	WSABUF buf;
1814		2169	DWORD sent;
1815	fd_intern (evpipe [0]);	2170	buf.buf = &buf;
1816	fd_intern (evpipe [1]);	2171	buf.len = 1;
1817	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2172	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1818	}	2173	#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);	2174	write (evpipe [1], &(evpipe [1]), 1);
		2175	#endif
1862	}	2176	}
1863		2177
1864	errno = old_errno;	2178	errno = old_errno;
1865	}	2179	}
1866	}	2180	}
…		…
1873	int i;	2187	int i;
1874		2188
1875	if (revents & EV_READ)	2189	if (revents & EV_READ)
1876	{	2190	{
1877	#if EV_USE_EVENTFD	2191	#if EV_USE_EVENTFD
1878	if (evfd >= 0)	2192	if (evpipe [0] < 0)
1879	{	2193	{
1880	uint64_t counter;	2194	uint64_t counter;
1881	read (evfd, &counter, sizeof (uint64_t));	2195	read (evpipe [1], &counter, sizeof (uint64_t));
1882	}	2196	}
1883	else	2197	else
1884	#endif	2198	#endif
1885	{	2199	{
1886	char dummy;	2200	char dummy[4];
1887	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2201	#ifdef _WIN32
		2202	WSABUF buf;
		2203	DWORD recvd;
		2204	DWORD flags = 0;
		2205	buf.buf = dummy;
		2206	buf.len = sizeof (dummy);
		2207	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2208	#else
1888	read (evpipe [0], &dummy, 1);	2209	read (evpipe [0], &dummy, sizeof (dummy));
		2210	#endif
1889	}	2211	}
1890	}	2212	}
1891		2213
1892	pipe_write_skipped = 0;	2214	pipe_write_skipped = 0;
		2215
		2216	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1893		2217
1894	#if EV_SIGNAL_ENABLE	2218	#if EV_SIGNAL_ENABLE
1895	if (sig_pending)	2219	if (sig_pending)
1896	{	2220	{
1897	sig_pending = 0;	2221	sig_pending = 0;
		2222
		2223	ECB_MEMORY_FENCE;
1898		2224
1899	for (i = EV_NSIG - 1; i--; )	2225	for (i = EV_NSIG - 1; i--; )
1900	if (expect_false (signals [i].pending))	2226	if (expect_false (signals [i].pending))
1901	ev_feed_signal_event (EV_A_ i + 1);	2227	ev_feed_signal_event (EV_A_ i + 1);
1902	}	2228	}
…		…
1904		2230
1905	#if EV_ASYNC_ENABLE	2231	#if EV_ASYNC_ENABLE
1906	if (async_pending)	2232	if (async_pending)
1907	{	2233	{
1908	async_pending = 0;	2234	async_pending = 0;
		2235
		2236	ECB_MEMORY_FENCE;
1909		2237
1910	for (i = asynccnt; i--; )	2238	for (i = asynccnt; i--; )
1911	if (asyncs [i]->sent)	2239	if (asyncs [i]->sent)
1912	{	2240	{
1913	asyncs [i]->sent = 0;	2241	asyncs [i]->sent = 0;
		2242	ECB_MEMORY_FENCE_RELEASE;
1914	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2243	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1915	}	2244	}
1916	}	2245	}
1917	#endif	2246	#endif
1918	}	2247	}
1919		2248
1920	/*****************************************************************************/	2249	/*****************************************************************************/
1921		2250
1922	void	2251	void
1923	ev_feed_signal (int signum)	2252	ev_feed_signal (int signum) EV_THROW
1924	{	2253	{
1925	#if EV_MULTIPLICITY	2254	#if EV_MULTIPLICITY
		2255	EV_P;
		2256	ECB_MEMORY_FENCE_ACQUIRE;
1926	EV_P = signals [signum - 1].loop;	2257	EV_A = signals [signum - 1].loop;
1927		2258
1928	if (!EV_A)	2259	if (!EV_A)
1929	return;	2260	return;
1930	#endif	2261	#endif
1931		2262
1932	if (!ev_active (&pipe_w))
1933	return;
1934
1935	signals [signum - 1].pending = 1;	2263	signals [signum - 1].pending = 1;
1936	evpipe_write (EV_A_ &sig_pending);	2264	evpipe_write (EV_A_ &sig_pending);
1937	}	2265	}
1938		2266
1939	static void	2267	static void
…		…
1945		2273
1946	ev_feed_signal (signum);	2274	ev_feed_signal (signum);
1947	}	2275	}
1948		2276
1949	void noinline	2277	void noinline
1950	ev_feed_signal_event (EV_P_ int signum)	2278	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1951	{	2279	{
1952	WL w;	2280	WL w;
1953		2281
1954	if (expect_false (signum <= 0 || signum > EV_NSIG))	2282	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1955	return;	2283	return;
1956		2284
1957	--signum;	2285	--signum;
1958		2286
1959	#if EV_MULTIPLICITY	2287	#if EV_MULTIPLICITY
…		…
1963	if (expect_false (signals [signum].loop != EV_A))	2291	if (expect_false (signals [signum].loop != EV_A))
1964	return;	2292	return;
1965	#endif	2293	#endif
1966		2294
1967	signals [signum].pending = 0;	2295	signals [signum].pending = 0;
		2296	ECB_MEMORY_FENCE_RELEASE;
1968		2297
1969	for (w = signals [signum].head; w; w = w->next)	2298	for (w = signals [signum].head; w; w = w->next)
1970	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2299	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1971	}	2300	}
1972		2301
…		…
2071	#if EV_USE_SELECT	2400	#if EV_USE_SELECT
2072	# include "ev_select.c"	2401	# include "ev_select.c"
2073	#endif	2402	#endif
2074		2403
2075	int ecb_cold	2404	int ecb_cold
2076	ev_version_major (void)	2405	ev_version_major (void) EV_THROW
2077	{	2406	{
2078	return EV_VERSION_MAJOR;	2407	return EV_VERSION_MAJOR;
2079	}	2408	}
2080		2409
2081	int ecb_cold	2410	int ecb_cold
2082	ev_version_minor (void)	2411	ev_version_minor (void) EV_THROW
2083	{	2412	{
2084	return EV_VERSION_MINOR;	2413	return EV_VERSION_MINOR;
2085	}	2414	}
2086		2415
2087	/* return true if we are running with elevated privileges and should ignore env variables */	2416	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2095	|| getgid () != getegid ();	2424	|| getgid () != getegid ();
2096	#endif	2425	#endif
2097	}	2426	}
2098		2427
2099	unsigned int ecb_cold	2428	unsigned int ecb_cold
2100	ev_supported_backends (void)	2429	ev_supported_backends (void) EV_THROW
2101	{	2430	{
2102	unsigned int flags = 0;	2431	unsigned int flags = 0;
2103		2432
2104	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2433	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2105	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2434	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2109		2438
2110	return flags;	2439	return flags;
2111	}	2440	}
2112		2441
2113	unsigned int ecb_cold	2442	unsigned int ecb_cold
2114	ev_recommended_backends (void)	2443	ev_recommended_backends (void) EV_THROW
2115	{	2444	{
2116	unsigned int flags = ev_supported_backends ();	2445	unsigned int flags = ev_supported_backends ();
2117		2446
2118	#ifndef __NetBSD__	2447	#ifndef __NetBSD__
2119	/* kqueue is borked on everything but netbsd apparently */	2448	/* kqueue is borked on everything but netbsd apparently */
…		…
2131		2460
2132	return flags;	2461	return flags;
2133	}	2462	}
2134		2463
2135	unsigned int ecb_cold	2464	unsigned int ecb_cold
2136	ev_embeddable_backends (void)	2465	ev_embeddable_backends (void) EV_THROW
2137	{	2466	{
2138	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2467	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2139		2468
2140	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2469	/* 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 */	2470	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2143		2472
2144	return flags;	2473	return flags;
2145	}	2474	}
2146		2475
2147	unsigned int	2476	unsigned int
2148	ev_backend (EV_P)	2477	ev_backend (EV_P) EV_THROW
2149	{	2478	{
2150	return backend;	2479	return backend;
2151	}	2480	}
2152		2481
2153	#if EV_FEATURE_API	2482	#if EV_FEATURE_API
2154	unsigned int	2483	unsigned int
2155	ev_iteration (EV_P)	2484	ev_iteration (EV_P) EV_THROW
2156	{	2485	{
2157	return loop_count;	2486	return loop_count;
2158	}	2487	}
2159		2488
2160	unsigned int	2489	unsigned int
2161	ev_depth (EV_P)	2490	ev_depth (EV_P) EV_THROW
2162	{	2491	{
2163	return loop_depth;	2492	return loop_depth;
2164	}	2493	}
2165		2494
2166	void	2495	void
2167	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2496	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2168	{	2497	{
2169	io_blocktime = interval;	2498	io_blocktime = interval;
2170	}	2499	}
2171		2500
2172	void	2501	void
2173	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2502	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2174	{	2503	{
2175	timeout_blocktime = interval;	2504	timeout_blocktime = interval;
2176	}	2505	}
2177		2506
2178	void	2507	void
2179	ev_set_userdata (EV_P_ void *data)	2508	ev_set_userdata (EV_P_ void *data) EV_THROW
2180	{	2509	{
2181	userdata = data;	2510	userdata = data;
2182	}	2511	}
2183		2512
2184	void *	2513	void *
2185	ev_userdata (EV_P)	2514	ev_userdata (EV_P) EV_THROW
2186	{	2515	{
2187	return userdata;	2516	return userdata;
2188	}	2517	}
2189		2518
2190	void	2519	void
2191	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2520	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2192	{	2521	{
2193	invoke_cb = invoke_pending_cb;	2522	invoke_cb = invoke_pending_cb;
2194	}	2523	}
2195		2524
2196	void	2525	void
2197	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2526	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2198	{	2527	{
2199	release_cb = release;	2528	release_cb = release;
2200	acquire_cb = acquire;	2529	acquire_cb = acquire;
2201	}	2530	}
2202	#endif	2531	#endif
2203		2532
2204	/* initialise a loop structure, must be zero-initialised */	2533	/* initialise a loop structure, must be zero-initialised */
2205	static void noinline ecb_cold	2534	static void noinline ecb_cold
2206	loop_init (EV_P_ unsigned int flags)	2535	loop_init (EV_P_ unsigned int flags) EV_THROW
2207	{	2536	{
2208	if (!backend)	2537	if (!backend)
2209	{	2538	{
2210	origflags = flags;	2539	origflags = flags;
2211		2540
…		…
2256	#if EV_ASYNC_ENABLE	2585	#if EV_ASYNC_ENABLE
2257	async_pending = 0;	2586	async_pending = 0;
2258	#endif	2587	#endif
2259	pipe_write_skipped = 0;	2588	pipe_write_skipped = 0;
2260	pipe_write_wanted = 0;	2589	pipe_write_wanted = 0;
		2590	evpipe [0] = -1;
		2591	evpipe [1] = -1;
2261	#if EV_USE_INOTIFY	2592	#if EV_USE_INOTIFY
2262	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2593	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2263	#endif	2594	#endif
2264	#if EV_USE_SIGNALFD	2595	#if EV_USE_SIGNALFD
2265	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2596	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2316	EV_INVOKE_PENDING;	2647	EV_INVOKE_PENDING;
2317	}	2648	}
2318	#endif	2649	#endif
2319		2650
2320	#if EV_CHILD_ENABLE	2651	#if EV_CHILD_ENABLE
2321	if (ev_is_active (&childev))	2652	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2322	{	2653	{
2323	ev_ref (EV_A); /* child watcher */	2654	ev_ref (EV_A); /* child watcher */
2324	ev_signal_stop (EV_A_ &childev);	2655	ev_signal_stop (EV_A_ &childev);
2325	}	2656	}
2326	#endif	2657	#endif
…		…
2328	if (ev_is_active (&pipe_w))	2659	if (ev_is_active (&pipe_w))
2329	{	2660	{
2330	/*ev_ref (EV_A);*/	2661	/*ev_ref (EV_A);*/
2331	/*ev_io_stop (EV_A_ &pipe_w);*/	2662	/*ev_io_stop (EV_A_ &pipe_w);*/
2332		2663
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]);	2664	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2341	EV_WIN32_CLOSE_FD (evpipe [1]);	2665	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2342	}
2343	}	2666	}
2344		2667
2345	#if EV_USE_SIGNALFD	2668	#if EV_USE_SIGNALFD
2346	if (ev_is_active (&sigfd_w))	2669	if (ev_is_active (&sigfd_w))
2347	close (sigfd);	2670	close (sigfd);
…		…
2433	#endif	2756	#endif
2434	#if EV_USE_INOTIFY	2757	#if EV_USE_INOTIFY
2435	infy_fork (EV_A);	2758	infy_fork (EV_A);
2436	#endif	2759	#endif
2437		2760
		2761	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2438	if (ev_is_active (&pipe_w))	2762	if (ev_is_active (&pipe_w))
2439	{	2763	{
2440	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2764	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2441		2765
2442	ev_ref (EV_A);	2766	ev_ref (EV_A);
2443	ev_io_stop (EV_A_ &pipe_w);	2767	ev_io_stop (EV_A_ &pipe_w);
2444		2768
2445	#if EV_USE_EVENTFD
2446	if (evfd >= 0)
2447	close (evfd);
2448	#endif
2449
2450	if (evpipe [0] >= 0)	2769	if (evpipe [0] >= 0)
2451	{
2452	EV_WIN32_CLOSE_FD (evpipe [0]);	2770	EV_WIN32_CLOSE_FD (evpipe [0]);
2453	EV_WIN32_CLOSE_FD (evpipe [1]);
2454	}
2455		2771
2456	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2457	evpipe_init (EV_A);	2772	evpipe_init (EV_A);
2458	/* now iterate over everything, in case we missed something */	2773	/* iterate over everything, in case we missed something before */
2459	pipecb (EV_A_ &pipe_w, EV_READ);	2774	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2460	#endif
2461	}	2775	}
		2776	#endif
2462		2777
2463	postfork = 0;	2778	postfork = 0;
2464	}	2779	}
2465		2780
2466	#if EV_MULTIPLICITY	2781	#if EV_MULTIPLICITY
2467		2782
2468	struct ev_loop * ecb_cold	2783	struct ev_loop * ecb_cold
2469	ev_loop_new (unsigned int flags)	2784	ev_loop_new (unsigned int flags) EV_THROW
2470	{	2785	{
2471	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2786	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2472		2787
2473	memset (EV_A, 0, sizeof (struct ev_loop));	2788	memset (EV_A, 0, sizeof (struct ev_loop));
2474	loop_init (EV_A_ flags);	2789	loop_init (EV_A_ flags);
…		…
2518	}	2833	}
2519	#endif	2834	#endif
2520		2835
2521	#if EV_FEATURE_API	2836	#if EV_FEATURE_API
2522	void ecb_cold	2837	void ecb_cold
2523	ev_verify (EV_P)	2838	ev_verify (EV_P) EV_THROW
2524	{	2839	{
2525	#if EV_VERIFY	2840	#if EV_VERIFY
2526	int i;	2841	int i;
2527	WL w;	2842	WL w, w2;
2528		2843
2529	assert (activecnt >= -1);	2844	assert (activecnt >= -1);
2530		2845
2531	assert (fdchangemax >= fdchangecnt);	2846	assert (fdchangemax >= fdchangecnt);
2532	for (i = 0; i < fdchangecnt; ++i)	2847	for (i = 0; i < fdchangecnt; ++i)
2533	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2848	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2534		2849
2535	assert (anfdmax >= 0);	2850	assert (anfdmax >= 0);
2536	for (i = 0; i < anfdmax; ++i)	2851	for (i = 0; i < anfdmax; ++i)
		2852	{
		2853	int j = 0;
		2854
2537	for (w = anfds [i].head; w; w = w->next)	2855	for (w = w2 = anfds [i].head; w; w = w->next)
2538	{	2856	{
2539	verify_watcher (EV_A_ (W)w);	2857	verify_watcher (EV_A_ (W)w);
		2858
		2859	if (j++ & 1)
		2860	{
		2861	assert (("libev: io watcher list contains a loop", w != w2));
		2862	w2 = w2->next;
		2863	}
		2864
2540	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2865	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));	2866	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2542	}	2867	}
		2868	}
2543		2869
2544	assert (timermax >= timercnt);	2870	assert (timermax >= timercnt);
2545	verify_heap (EV_A_ timers, timercnt);	2871	verify_heap (EV_A_ timers, timercnt);
2546		2872
2547	#if EV_PERIODIC_ENABLE	2873	#if EV_PERIODIC_ENABLE
…		…
2597	#if EV_MULTIPLICITY	2923	#if EV_MULTIPLICITY
2598	struct ev_loop * ecb_cold	2924	struct ev_loop * ecb_cold
2599	#else	2925	#else
2600	int	2926	int
2601	#endif	2927	#endif
2602	ev_default_loop (unsigned int flags)	2928	ev_default_loop (unsigned int flags) EV_THROW
2603	{	2929	{
2604	if (!ev_default_loop_ptr)	2930	if (!ev_default_loop_ptr)
2605	{	2931	{
2606	#if EV_MULTIPLICITY	2932	#if EV_MULTIPLICITY
2607	EV_P = ev_default_loop_ptr = &default_loop_struct;	2933	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2626		2952
2627	return ev_default_loop_ptr;	2953	return ev_default_loop_ptr;
2628	}	2954	}
2629		2955
2630	void	2956	void
2631	ev_loop_fork (EV_P)	2957	ev_loop_fork (EV_P) EV_THROW
2632	{	2958	{
2633	postfork = 1; /* must be in line with ev_default_fork */	2959	postfork = 1;
2634	}	2960	}
2635		2961
2636	/*****************************************************************************/	2962	/*****************************************************************************/
2637		2963
2638	void	2964	void
…		…
2640	{	2966	{
2641	EV_CB_INVOKE ((W)w, revents);	2967	EV_CB_INVOKE ((W)w, revents);
2642	}	2968	}
2643		2969
2644	unsigned int	2970	unsigned int
2645	ev_pending_count (EV_P)	2971	ev_pending_count (EV_P) EV_THROW
2646	{	2972	{
2647	int pri;	2973	int pri;
2648	unsigned int count = 0;	2974	unsigned int count = 0;
2649		2975
2650	for (pri = NUMPRI; pri--; )	2976	for (pri = NUMPRI; pri--; )
…		…
2654	}	2980	}
2655		2981
2656	void noinline	2982	void noinline
2657	ev_invoke_pending (EV_P)	2983	ev_invoke_pending (EV_P)
2658	{	2984	{
2659	int pri;	2985	pendingpri = NUMPRI;
2660		2986
2661	for (pri = NUMPRI; pri--; )	2987	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2988	{
		2989	--pendingpri;
		2990
2662	while (pendingcnt [pri])	2991	while (pendingcnt [pendingpri])
2663	{	2992	{
2664	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2993	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2665		2994
2666	p->w->pending = 0;	2995	p->w->pending = 0;
2667	EV_CB_INVOKE (p->w, p->events);	2996	EV_CB_INVOKE (p->w, p->events);
2668	EV_FREQUENT_CHECK;	2997	EV_FREQUENT_CHECK;
2669	}	2998	}
		2999	}
2670	}	3000	}
2671		3001
2672	#if EV_IDLE_ENABLE	3002	#if EV_IDLE_ENABLE
2673	/* make idle watchers pending. this handles the "call-idle */	3003	/* make idle watchers pending. this handles the "call-idle */
2674	/* only when higher priorities are idle" logic */	3004	/* only when higher priorities are idle" logic */
…		…
2764	{	3094	{
2765	EV_FREQUENT_CHECK;	3095	EV_FREQUENT_CHECK;
2766		3096
2767	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3097	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2768	{	3098	{
2769	int feed_count = 0;
2770
2771	do	3099	do
2772	{	3100	{
2773	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3101	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2774		3102
2775	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3103	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2909		3237
2910	mn_now = ev_rt_now;	3238	mn_now = ev_rt_now;
2911	}	3239	}
2912	}	3240	}
2913		3241
2914	void	3242	int
2915	ev_run (EV_P_ int flags)	3243	ev_run (EV_P_ int flags)
2916	{	3244	{
2917	#if EV_FEATURE_API	3245	#if EV_FEATURE_API
2918	++loop_depth;	3246	++loop_depth;
2919	#endif	3247	#endif
…		…
3034	backend_poll (EV_A_ waittime);	3362	backend_poll (EV_A_ waittime);
3035	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3363	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3036		3364
3037	pipe_write_wanted = 0; /* just an optimisation, no fence needed */	3365	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3038		3366
		3367	ECB_MEMORY_FENCE_ACQUIRE;
3039	if (pipe_write_skipped)	3368	if (pipe_write_skipped)
3040	{	3369	{
3041	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3370	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);	3371	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3043	}	3372	}
…		…
3076	loop_done = EVBREAK_CANCEL;	3405	loop_done = EVBREAK_CANCEL;
3077		3406
3078	#if EV_FEATURE_API	3407	#if EV_FEATURE_API
3079	--loop_depth;	3408	--loop_depth;
3080	#endif	3409	#endif
		3410
		3411	return activecnt;
3081	}	3412	}
3082		3413
3083	void	3414	void
3084	ev_break (EV_P_ int how)	3415	ev_break (EV_P_ int how) EV_THROW
3085	{	3416	{
3086	loop_done = how;	3417	loop_done = how;
3087	}	3418	}
3088		3419
3089	void	3420	void
3090	ev_ref (EV_P)	3421	ev_ref (EV_P) EV_THROW
3091	{	3422	{
3092	++activecnt;	3423	++activecnt;
3093	}	3424	}
3094		3425
3095	void	3426	void
3096	ev_unref (EV_P)	3427	ev_unref (EV_P) EV_THROW
3097	{	3428	{
3098	--activecnt;	3429	--activecnt;
3099	}	3430	}
3100		3431
3101	void	3432	void
3102	ev_now_update (EV_P)	3433	ev_now_update (EV_P) EV_THROW
3103	{	3434	{
3104	time_update (EV_A_ 1e100);	3435	time_update (EV_A_ 1e100);
3105	}	3436	}
3106		3437
3107	void	3438	void
3108	ev_suspend (EV_P)	3439	ev_suspend (EV_P) EV_THROW
3109	{	3440	{
3110	ev_now_update (EV_A);	3441	ev_now_update (EV_A);
3111	}	3442	}
3112		3443
3113	void	3444	void
3114	ev_resume (EV_P)	3445	ev_resume (EV_P) EV_THROW
3115	{	3446	{
3116	ev_tstamp mn_prev = mn_now;	3447	ev_tstamp mn_prev = mn_now;
3117		3448
3118	ev_now_update (EV_A);	3449	ev_now_update (EV_A);
3119	timers_reschedule (EV_A_ mn_now - mn_prev);	3450	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3158	w->pending = 0;	3489	w->pending = 0;
3159	}	3490	}
3160	}	3491	}
3161		3492
3162	int	3493	int
3163	ev_clear_pending (EV_P_ void *w)	3494	ev_clear_pending (EV_P_ void *w) EV_THROW
3164	{	3495	{
3165	W w_ = (W)w;	3496	W w_ = (W)w;
3166	int pending = w_->pending;	3497	int pending = w_->pending;
3167		3498
3168	if (expect_true (pending))	3499	if (expect_true (pending))
…		…
3201	}	3532	}
3202		3533
3203	/*****************************************************************************/	3534	/*****************************************************************************/
3204		3535
3205	void noinline	3536	void noinline
3206	ev_io_start (EV_P_ ev_io *w)	3537	ev_io_start (EV_P_ ev_io *w) EV_THROW
3207	{	3538	{
3208	int fd = w->fd;	3539	int fd = w->fd;
3209		3540
3210	if (expect_false (ev_is_active (w)))	3541	if (expect_false (ev_is_active (w)))
3211	return;	3542	return;
…		…
3217		3548
3218	ev_start (EV_A_ (W)w, 1);	3549	ev_start (EV_A_ (W)w, 1);
3219	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3550	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3220	wlist_add (&anfds[fd].head, (WL)w);	3551	wlist_add (&anfds[fd].head, (WL)w);
3221		3552
		3553	/* common bug, apparently */
		3554	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3555
3222	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3556	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3223	w->events &= ~EV__IOFDSET;	3557	w->events &= ~EV__IOFDSET;
3224		3558
3225	EV_FREQUENT_CHECK;	3559	EV_FREQUENT_CHECK;
3226	}	3560	}
3227		3561
3228	void noinline	3562	void noinline
3229	ev_io_stop (EV_P_ ev_io *w)	3563	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3230	{	3564	{
3231	clear_pending (EV_A_ (W)w);	3565	clear_pending (EV_A_ (W)w);
3232	if (expect_false (!ev_is_active (w)))	3566	if (expect_false (!ev_is_active (w)))
3233	return;	3567	return;
3234		3568
…		…
3243		3577
3244	EV_FREQUENT_CHECK;	3578	EV_FREQUENT_CHECK;
3245	}	3579	}
3246		3580
3247	void noinline	3581	void noinline
3248	ev_timer_start (EV_P_ ev_timer *w)	3582	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3249	{	3583	{
3250	if (expect_false (ev_is_active (w)))	3584	if (expect_false (ev_is_active (w)))
3251	return;	3585	return;
3252		3586
3253	ev_at (w) += mn_now;	3587	ev_at (w) += mn_now;
…		…
3267		3601
3268	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3602	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3269	}	3603	}
3270		3604
3271	void noinline	3605	void noinline
3272	ev_timer_stop (EV_P_ ev_timer *w)	3606	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3273	{	3607	{
3274	clear_pending (EV_A_ (W)w);	3608	clear_pending (EV_A_ (W)w);
3275	if (expect_false (!ev_is_active (w)))	3609	if (expect_false (!ev_is_active (w)))
3276	return;	3610	return;
3277		3611
…		…
3297		3631
3298	EV_FREQUENT_CHECK;	3632	EV_FREQUENT_CHECK;
3299	}	3633	}
3300		3634
3301	void noinline	3635	void noinline
3302	ev_timer_again (EV_P_ ev_timer *w)	3636	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3303	{	3637	{
3304	EV_FREQUENT_CHECK;	3638	EV_FREQUENT_CHECK;
3305		3639
3306	clear_pending (EV_A_ (W)w);	3640	clear_pending (EV_A_ (W)w);
3307		3641
…		…
3324		3658
3325	EV_FREQUENT_CHECK;	3659	EV_FREQUENT_CHECK;
3326	}	3660	}
3327		3661
3328	ev_tstamp	3662	ev_tstamp
3329	ev_timer_remaining (EV_P_ ev_timer *w)	3663	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3330	{	3664	{
3331	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3665	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3332	}	3666	}
3333		3667
3334	#if EV_PERIODIC_ENABLE	3668	#if EV_PERIODIC_ENABLE
3335	void noinline	3669	void noinline
3336	ev_periodic_start (EV_P_ ev_periodic *w)	3670	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3337	{	3671	{
3338	if (expect_false (ev_is_active (w)))	3672	if (expect_false (ev_is_active (w)))
3339	return;	3673	return;
3340		3674
3341	if (w->reschedule_cb)	3675	if (w->reschedule_cb)
…		…
3361		3695
3362	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3696	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3363	}	3697	}
3364		3698
3365	void noinline	3699	void noinline
3366	ev_periodic_stop (EV_P_ ev_periodic *w)	3700	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3367	{	3701	{
3368	clear_pending (EV_A_ (W)w);	3702	clear_pending (EV_A_ (W)w);
3369	if (expect_false (!ev_is_active (w)))	3703	if (expect_false (!ev_is_active (w)))
3370	return;	3704	return;
3371		3705
…		…
3389		3723
3390	EV_FREQUENT_CHECK;	3724	EV_FREQUENT_CHECK;
3391	}	3725	}
3392		3726
3393	void noinline	3727	void noinline
3394	ev_periodic_again (EV_P_ ev_periodic *w)	3728	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3395	{	3729	{
3396	/* TODO: use adjustheap and recalculation */	3730	/* TODO: use adjustheap and recalculation */
3397	ev_periodic_stop (EV_A_ w);	3731	ev_periodic_stop (EV_A_ w);
3398	ev_periodic_start (EV_A_ w);	3732	ev_periodic_start (EV_A_ w);
3399	}	3733	}
…		…
3404	#endif	3738	#endif
3405		3739
3406	#if EV_SIGNAL_ENABLE	3740	#if EV_SIGNAL_ENABLE
3407		3741
3408	void noinline	3742	void noinline
3409	ev_signal_start (EV_P_ ev_signal *w)	3743	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3410	{	3744	{
3411	if (expect_false (ev_is_active (w)))	3745	if (expect_false (ev_is_active (w)))
3412	return;	3746	return;
3413		3747
3414	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3748	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3416	#if EV_MULTIPLICITY	3750	#if EV_MULTIPLICITY
3417	assert (("libev: a signal must not be attached to two different loops",	3751	assert (("libev: a signal must not be attached to two different loops",
3418	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3752	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3419		3753
3420	signals [w->signum - 1].loop = EV_A;	3754	signals [w->signum - 1].loop = EV_A;
		3755	ECB_MEMORY_FENCE_RELEASE;
3421	#endif	3756	#endif
3422		3757
3423	EV_FREQUENT_CHECK;	3758	EV_FREQUENT_CHECK;
3424		3759
3425	#if EV_USE_SIGNALFD	3760	#if EV_USE_SIGNALFD
…		…
3485		3820
3486	EV_FREQUENT_CHECK;	3821	EV_FREQUENT_CHECK;
3487	}	3822	}
3488		3823
3489	void noinline	3824	void noinline
3490	ev_signal_stop (EV_P_ ev_signal *w)	3825	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3491	{	3826	{
3492	clear_pending (EV_A_ (W)w);	3827	clear_pending (EV_A_ (W)w);
3493	if (expect_false (!ev_is_active (w)))	3828	if (expect_false (!ev_is_active (w)))
3494	return;	3829	return;
3495		3830
…		…
3526	#endif	3861	#endif
3527		3862
3528	#if EV_CHILD_ENABLE	3863	#if EV_CHILD_ENABLE
3529		3864
3530	void	3865	void
3531	ev_child_start (EV_P_ ev_child *w)	3866	ev_child_start (EV_P_ ev_child *w) EV_THROW
3532	{	3867	{
3533	#if EV_MULTIPLICITY	3868	#if EV_MULTIPLICITY
3534	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3869	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3535	#endif	3870	#endif
3536	if (expect_false (ev_is_active (w)))	3871	if (expect_false (ev_is_active (w)))
…		…
3543		3878
3544	EV_FREQUENT_CHECK;	3879	EV_FREQUENT_CHECK;
3545	}	3880	}
3546		3881
3547	void	3882	void
3548	ev_child_stop (EV_P_ ev_child *w)	3883	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3549	{	3884	{
3550	clear_pending (EV_A_ (W)w);	3885	clear_pending (EV_A_ (W)w);
3551	if (expect_false (!ev_is_active (w)))	3886	if (expect_false (!ev_is_active (w)))
3552	return;	3887	return;
3553		3888
…		…
3580	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3915	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3581		3916
3582	static void noinline	3917	static void noinline
3583	infy_add (EV_P_ ev_stat *w)	3918	infy_add (EV_P_ ev_stat *w)
3584	{	3919	{
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);	3920	w->wd = inotify_add_watch (fs_fd, w->path,
		3921	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3922	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3923	| IN_DONT_FOLLOW | IN_MASK_ADD);
3586		3924
3587	if (w->wd >= 0)	3925	if (w->wd >= 0)
3588	{	3926	{
3589	struct statfs sfs;	3927	struct statfs sfs;
3590		3928
…		…
3594		3932
3595	if (!fs_2625)	3933	if (!fs_2625)
3596	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3934	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3597	else if (!statfs (w->path, &sfs)	3935	else if (!statfs (w->path, &sfs)
3598	&& (sfs.f_type == 0x1373 /* devfs */	3936	&& (sfs.f_type == 0x1373 /* devfs */
		3937	|| sfs.f_type == 0x4006 /* fat */
		3938	|| sfs.f_type == 0x4d44 /* msdos */
3599	|| sfs.f_type == 0xEF53 /* ext2/3 */	3939	|| sfs.f_type == 0xEF53 /* ext2/3 */
		3940	|| sfs.f_type == 0x72b6 /* jffs2 */
		3941	|| sfs.f_type == 0x858458f6 /* ramfs */
		3942	|| sfs.f_type == 0x5346544e /* ntfs */
3600	|| sfs.f_type == 0x3153464a /* jfs */	3943	|| sfs.f_type == 0x3153464a /* jfs */
		3944	|| sfs.f_type == 0x9123683e /* btrfs */
3601	|| sfs.f_type == 0x52654973 /* reiser3 */	3945	|| sfs.f_type == 0x52654973 /* reiser3 */
3602	|| sfs.f_type == 0x01021994 /* tempfs */	3946	|| sfs.f_type == 0x01021994 /* tmpfs */
3603	|| sfs.f_type == 0x58465342 /* xfs */))	3947	|| sfs.f_type == 0x58465342 /* xfs */))
3604	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3948	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3605	else	3949	else
3606	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	3950	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3607	}	3951	}
…		…
3720	}	4064	}
3721		4065
3722	inline_size int	4066	inline_size int
3723	infy_newfd (void)	4067	infy_newfd (void)
3724	{	4068	{
3725	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4069	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3726	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4070	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3727	if (fd >= 0)	4071	if (fd >= 0)
3728	return fd;	4072	return fd;
3729	#endif	4073	#endif
3730	return inotify_init ();	4074	return inotify_init ();
…		…
3805	#else	4149	#else
3806	# define EV_LSTAT(p,b) lstat (p, b)	4150	# define EV_LSTAT(p,b) lstat (p, b)
3807	#endif	4151	#endif
3808		4152
3809	void	4153	void
3810	ev_stat_stat (EV_P_ ev_stat *w)	4154	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3811	{	4155	{
3812	if (lstat (w->path, &w->attr) < 0)	4156	if (lstat (w->path, &w->attr) < 0)
3813	w->attr.st_nlink = 0;	4157	w->attr.st_nlink = 0;
3814	else if (!w->attr.st_nlink)	4158	else if (!w->attr.st_nlink)
3815	w->attr.st_nlink = 1;	4159	w->attr.st_nlink = 1;
…		…
3854	ev_feed_event (EV_A_ w, EV_STAT);	4198	ev_feed_event (EV_A_ w, EV_STAT);
3855	}	4199	}
3856	}	4200	}
3857		4201
3858	void	4202	void
3859	ev_stat_start (EV_P_ ev_stat *w)	4203	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3860	{	4204	{
3861	if (expect_false (ev_is_active (w)))	4205	if (expect_false (ev_is_active (w)))
3862	return;	4206	return;
3863		4207
3864	ev_stat_stat (EV_A_ w);	4208	ev_stat_stat (EV_A_ w);
…		…
3885		4229
3886	EV_FREQUENT_CHECK;	4230	EV_FREQUENT_CHECK;
3887	}	4231	}
3888		4232
3889	void	4233	void
3890	ev_stat_stop (EV_P_ ev_stat *w)	4234	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3891	{	4235	{
3892	clear_pending (EV_A_ (W)w);	4236	clear_pending (EV_A_ (W)w);
3893	if (expect_false (!ev_is_active (w)))	4237	if (expect_false (!ev_is_active (w)))
3894	return;	4238	return;
3895		4239
…		…
3911	}	4255	}
3912	#endif	4256	#endif
3913		4257
3914	#if EV_IDLE_ENABLE	4258	#if EV_IDLE_ENABLE
3915	void	4259	void
3916	ev_idle_start (EV_P_ ev_idle *w)	4260	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3917	{	4261	{
3918	if (expect_false (ev_is_active (w)))	4262	if (expect_false (ev_is_active (w)))
3919	return;	4263	return;
3920		4264
3921	pri_adjust (EV_A_ (W)w);	4265	pri_adjust (EV_A_ (W)w);
…		…
3934		4278
3935	EV_FREQUENT_CHECK;	4279	EV_FREQUENT_CHECK;
3936	}	4280	}
3937		4281
3938	void	4282	void
3939	ev_idle_stop (EV_P_ ev_idle *w)	4283	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3940	{	4284	{
3941	clear_pending (EV_A_ (W)w);	4285	clear_pending (EV_A_ (W)w);
3942	if (expect_false (!ev_is_active (w)))	4286	if (expect_false (!ev_is_active (w)))
3943	return;	4287	return;
3944		4288
…		…
3958	}	4302	}
3959	#endif	4303	#endif
3960		4304
3961	#if EV_PREPARE_ENABLE	4305	#if EV_PREPARE_ENABLE
3962	void	4306	void
3963	ev_prepare_start (EV_P_ ev_prepare *w)	4307	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3964	{	4308	{
3965	if (expect_false (ev_is_active (w)))	4309	if (expect_false (ev_is_active (w)))
3966	return;	4310	return;
3967		4311
3968	EV_FREQUENT_CHECK;	4312	EV_FREQUENT_CHECK;
…		…
3973		4317
3974	EV_FREQUENT_CHECK;	4318	EV_FREQUENT_CHECK;
3975	}	4319	}
3976		4320
3977	void	4321	void
3978	ev_prepare_stop (EV_P_ ev_prepare *w)	4322	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3979	{	4323	{
3980	clear_pending (EV_A_ (W)w);	4324	clear_pending (EV_A_ (W)w);
3981	if (expect_false (!ev_is_active (w)))	4325	if (expect_false (!ev_is_active (w)))
3982	return;	4326	return;
3983		4327
…		…
3996	}	4340	}
3997	#endif	4341	#endif
3998		4342
3999	#if EV_CHECK_ENABLE	4343	#if EV_CHECK_ENABLE
4000	void	4344	void
4001	ev_check_start (EV_P_ ev_check *w)	4345	ev_check_start (EV_P_ ev_check *w) EV_THROW
4002	{	4346	{
4003	if (expect_false (ev_is_active (w)))	4347	if (expect_false (ev_is_active (w)))
4004	return;	4348	return;
4005		4349
4006	EV_FREQUENT_CHECK;	4350	EV_FREQUENT_CHECK;
…		…
4011		4355
4012	EV_FREQUENT_CHECK;	4356	EV_FREQUENT_CHECK;
4013	}	4357	}
4014		4358
4015	void	4359	void
4016	ev_check_stop (EV_P_ ev_check *w)	4360	ev_check_stop (EV_P_ ev_check *w) EV_THROW
4017	{	4361	{
4018	clear_pending (EV_A_ (W)w);	4362	clear_pending (EV_A_ (W)w);
4019	if (expect_false (!ev_is_active (w)))	4363	if (expect_false (!ev_is_active (w)))
4020	return;	4364	return;
4021		4365
…		…
4034	}	4378	}
4035	#endif	4379	#endif
4036		4380
4037	#if EV_EMBED_ENABLE	4381	#if EV_EMBED_ENABLE
4038	void noinline	4382	void noinline
4039	ev_embed_sweep (EV_P_ ev_embed *w)	4383	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4040	{	4384	{
4041	ev_run (w->other, EVRUN_NOWAIT);	4385	ev_run (w->other, EVRUN_NOWAIT);
4042	}	4386	}
4043		4387
4044	static void	4388	static void
…		…
4092	ev_idle_stop (EV_A_ idle);	4436	ev_idle_stop (EV_A_ idle);
4093	}	4437	}
4094	#endif	4438	#endif
4095		4439
4096	void	4440	void
4097	ev_embed_start (EV_P_ ev_embed *w)	4441	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4098	{	4442	{
4099	if (expect_false (ev_is_active (w)))	4443	if (expect_false (ev_is_active (w)))
4100	return;	4444	return;
4101		4445
4102	{	4446	{
…		…
4123		4467
4124	EV_FREQUENT_CHECK;	4468	EV_FREQUENT_CHECK;
4125	}	4469	}
4126		4470
4127	void	4471	void
4128	ev_embed_stop (EV_P_ ev_embed *w)	4472	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4129	{	4473	{
4130	clear_pending (EV_A_ (W)w);	4474	clear_pending (EV_A_ (W)w);
4131	if (expect_false (!ev_is_active (w)))	4475	if (expect_false (!ev_is_active (w)))
4132	return;	4476	return;
4133		4477
…		…
4143	}	4487	}
4144	#endif	4488	#endif
4145		4489
4146	#if EV_FORK_ENABLE	4490	#if EV_FORK_ENABLE
4147	void	4491	void
4148	ev_fork_start (EV_P_ ev_fork *w)	4492	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4149	{	4493	{
4150	if (expect_false (ev_is_active (w)))	4494	if (expect_false (ev_is_active (w)))
4151	return;	4495	return;
4152		4496
4153	EV_FREQUENT_CHECK;	4497	EV_FREQUENT_CHECK;
…		…
4158		4502
4159	EV_FREQUENT_CHECK;	4503	EV_FREQUENT_CHECK;
4160	}	4504	}
4161		4505
4162	void	4506	void
4163	ev_fork_stop (EV_P_ ev_fork *w)	4507	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4164	{	4508	{
4165	clear_pending (EV_A_ (W)w);	4509	clear_pending (EV_A_ (W)w);
4166	if (expect_false (!ev_is_active (w)))	4510	if (expect_false (!ev_is_active (w)))
4167	return;	4511	return;
4168		4512
…		…
4181	}	4525	}
4182	#endif	4526	#endif
4183		4527
4184	#if EV_CLEANUP_ENABLE	4528	#if EV_CLEANUP_ENABLE
4185	void	4529	void
4186	ev_cleanup_start (EV_P_ ev_cleanup *w)	4530	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4187	{	4531	{
4188	if (expect_false (ev_is_active (w)))	4532	if (expect_false (ev_is_active (w)))
4189	return;	4533	return;
4190		4534
4191	EV_FREQUENT_CHECK;	4535	EV_FREQUENT_CHECK;
…		…
4198	ev_unref (EV_A);	4542	ev_unref (EV_A);
4199	EV_FREQUENT_CHECK;	4543	EV_FREQUENT_CHECK;
4200	}	4544	}
4201		4545
4202	void	4546	void
4203	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4547	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4204	{	4548	{
4205	clear_pending (EV_A_ (W)w);	4549	clear_pending (EV_A_ (W)w);
4206	if (expect_false (!ev_is_active (w)))	4550	if (expect_false (!ev_is_active (w)))
4207	return;	4551	return;
4208		4552
…		…
4222	}	4566	}
4223	#endif	4567	#endif
4224		4568
4225	#if EV_ASYNC_ENABLE	4569	#if EV_ASYNC_ENABLE
4226	void	4570	void
4227	ev_async_start (EV_P_ ev_async *w)	4571	ev_async_start (EV_P_ ev_async *w) EV_THROW
4228	{	4572	{
4229	if (expect_false (ev_is_active (w)))	4573	if (expect_false (ev_is_active (w)))
4230	return;	4574	return;
4231		4575
4232	w->sent = 0;	4576	w->sent = 0;
…		…
4241		4585
4242	EV_FREQUENT_CHECK;	4586	EV_FREQUENT_CHECK;
4243	}	4587	}
4244		4588
4245	void	4589	void
4246	ev_async_stop (EV_P_ ev_async *w)	4590	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4247	{	4591	{
4248	clear_pending (EV_A_ (W)w);	4592	clear_pending (EV_A_ (W)w);
4249	if (expect_false (!ev_is_active (w)))	4593	if (expect_false (!ev_is_active (w)))
4250	return;	4594	return;
4251		4595
…		…
4262		4606
4263	EV_FREQUENT_CHECK;	4607	EV_FREQUENT_CHECK;
4264	}	4608	}
4265		4609
4266	void	4610	void
4267	ev_async_send (EV_P_ ev_async *w)	4611	ev_async_send (EV_P_ ev_async *w) EV_THROW
4268	{	4612	{
4269	w->sent = 1;	4613	w->sent = 1;
4270	evpipe_write (EV_A_ &async_pending);	4614	evpipe_write (EV_A_ &async_pending);
4271	}	4615	}
4272	#endif	4616	#endif
…		…
4309		4653
4310	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4654	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4311	}	4655	}
4312		4656
4313	void	4657	void
4314	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4658	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4315	{	4659	{
4316	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4660	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4317		4661
4318	if (expect_false (!once))	4662	if (expect_false (!once))
4319	{	4663	{
…		…
4341		4685
4342	/*****************************************************************************/	4686	/*****************************************************************************/
4343		4687
4344	#if EV_WALK_ENABLE	4688	#if EV_WALK_ENABLE
4345	void ecb_cold	4689	void ecb_cold
4346	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4690	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4347	{	4691	{
4348	int i, j;	4692	int i, j;
4349	ev_watcher_list *wl, *wn;	4693	ev_watcher_list *wl, *wn;
4350		4694
4351	if (types & (EV_IO | EV_EMBED))	4695	if (types & (EV_IO | EV_EMBED))

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