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Comparing libev/ev.c (file contents):
Revision 1.403 by root, Wed Jan 18 12:13:14 2012 UTC vs.
Revision 1.454 by root, Fri Mar 1 11:13:22 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_xC >= 0x5110	608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
545	#if __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	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 defined(__sparc)	625	#elif __sparc || __sparc__
562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #StoreLoad | #LoadLoad | #StoreStore" : : : "memory")	626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
563	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadLoad" : : : "memory")	627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		629	#elif defined __s390__ || defined __s390x__
		630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		631	#elif defined __mips__
		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")
564	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #StoreStore")	637	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		638	#elif defined __ia64__
		639	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
565	#endif	640	#endif
566	#endif	641	#endif
567	#endif	642	#endif
568		643
569	#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
570	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)	658	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
571	#define ECB_MEMORY_FENCE __sync_synchronize ()	659	#define ECB_MEMORY_FENCE __sync_synchronize ()
572	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
573	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
574	#elif _MSC_VER >= 1400 /* VC++ 2005 */	660	#elif _MSC_VER >= 1400 /* VC++ 2005 */
575	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	661	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
576	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	662	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
577	#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 */
578	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	664	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
579	#elif defined(_WIN32)	665	#elif defined _WIN32
580	#include <WinNT.h>	666	#include <WinNT.h>
581	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	667	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
582	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	668	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
583	#include <mbarrier.h>	669	#include <mbarrier.h>
584	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	670	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
585	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	671	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
586	#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)
587	#endif	690	#endif
588	#endif	691	#endif
589		692
590	#ifndef ECB_MEMORY_FENCE	693	#ifndef ECB_MEMORY_FENCE
591	#if !ECB_AVOID_PTHREADS	694	#if !ECB_AVOID_PTHREADS
…		…
603	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	706	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
604	#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)
605	#endif	708	#endif
606	#endif	709	#endif
607		710
608	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	711	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
609	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	712	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
610	#endif	713	#endif
611		714
612	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	715	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
613	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	716	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
614	#endif	717	#endif
615		718
616	/*****************************************************************************/	719	/*****************************************************************************/
617
618	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
619		720
620	#if __cplusplus	721	#if __cplusplus
621	#define ecb_inline static inline	722	#define ecb_inline static inline
622	#elif ECB_GCC_VERSION(2,5)	723	#elif ECB_GCC_VERSION(2,5)
623	#define ecb_inline static __inline__	724	#define ecb_inline static __inline__
…		…
662	#elif ECB_GCC_VERSION(3,0)	763	#elif ECB_GCC_VERSION(3,0)
663	#define ecb_decltype(x) __typeof(x)	764	#define ecb_decltype(x) __typeof(x)
664	#endif	765	#endif
665		766
666	#define ecb_noinline ecb_attribute ((__noinline__))	767	#define ecb_noinline ecb_attribute ((__noinline__))
667	#define ecb_noreturn ecb_attribute ((__noreturn__))
668	#define ecb_unused ecb_attribute ((__unused__))	768	#define ecb_unused ecb_attribute ((__unused__))
669	#define ecb_const ecb_attribute ((__const__))	769	#define ecb_const ecb_attribute ((__const__))
670	#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
671		777
672	#if ECB_GCC_VERSION(4,3)	778	#if ECB_GCC_VERSION(4,3)
673	#define ecb_artificial ecb_attribute ((__artificial__))	779	#define ecb_artificial ecb_attribute ((__artificial__))
674	#define ecb_hot ecb_attribute ((__hot__))	780	#define ecb_hot ecb_attribute ((__hot__))
675	#define ecb_cold ecb_attribute ((__cold__))	781	#define ecb_cold ecb_attribute ((__cold__))
…		…
766		872
767	return r + ecb_ld32 (x);	873	return r + ecb_ld32 (x);
768	}	874	}
769	#endif	875	#endif
770		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
771	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	882	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
772	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	883	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
773	{	884	{
774	return ( (x * 0x0802U & 0x22110U)	885	return ( (x * 0x0802U & 0x22110U)
775	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	886	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
…		…
854		965
855	#if ECB_GCC_VERSION(4,5)	966	#if ECB_GCC_VERSION(4,5)
856	#define ecb_unreachable() __builtin_unreachable ()	967	#define ecb_unreachable() __builtin_unreachable ()
857	#else	968	#else
858	/* this seems to work fine, but gcc always emits a warning for it :/ */	969	/* this seems to work fine, but gcc always emits a warning for it :/ */
859	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	970	ecb_inline void ecb_unreachable (void) ecb_noreturn;
860	ecb_function_ void ecb_unreachable (void) { }	971	ecb_inline void ecb_unreachable (void) { }
861	#endif	972	#endif
862		973
863	/* try to tell the compiler that some condition is definitely true */	974	/* try to tell the compiler that some condition is definitely true */
864	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	975	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
865		976
866	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	977	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
867	ecb_function_ unsigned char	978	ecb_inline unsigned char
868	ecb_byteorder_helper (void)	979	ecb_byteorder_helper (void)
869	{	980	{
870	const uint32_t u = 0x11223344;	981	/* the union code still generates code under pressure in gcc, */
871	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
872	}	1001	}
873		1002
874	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1003	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
875	ecb_function_ 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; }
876	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1005	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
877	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1006	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
878		1007
879	#if ECB_GCC_VERSION(3,0) || ECB_C99	1008	#if ECB_GCC_VERSION(3,0) || ECB_C99
880	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1009	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
881	#else	1010	#else
882	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1011	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
…		…
907	}	1036	}
908	#else	1037	#else
909	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1038	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
910	#endif	1039	#endif
911		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
912	#endif	1208	#endif
913		1209
914	/* ECB.H END */	1210	/* ECB.H END */
915		1211
916	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1212	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
…		…
1082	{	1378	{
1083	write (STDERR_FILENO, msg, strlen (msg));	1379	write (STDERR_FILENO, msg, strlen (msg));
1084	}	1380	}
1085	#endif	1381	#endif
1086		1382
1087	static void (*syserr_cb)(const char *msg);	1383	static void (*syserr_cb)(const char *msg) EV_THROW;
1088		1384
1089	void ecb_cold	1385	void ecb_cold
1090	ev_set_syserr_cb (void (*cb)(const char *msg))	1386	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1091	{	1387	{
1092	syserr_cb = cb;	1388	syserr_cb = cb;
1093	}	1389	}
1094		1390
1095	static void noinline ecb_cold	1391	static void noinline ecb_cold
…		…
1113	abort ();	1409	abort ();
1114	}	1410	}
1115	}	1411	}
1116		1412
1117	static void *	1413	static void *
1118	ev_realloc_emul (void *ptr, long size)	1414	ev_realloc_emul (void *ptr, long size) EV_THROW
1119	{	1415	{
1120	#if __GLIBC__
1121	return realloc (ptr, size);
1122	#else
1123	/* some systems, notably openbsd and darwin, fail to properly	1416	/* some systems, notably openbsd and darwin, fail to properly
1124	* 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
1125	* 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.
1126	*/	1421	*/
1127		1422
1128	if (size)	1423	if (size)
1129	return realloc (ptr, size);	1424	return realloc (ptr, size);
1130		1425
1131	free (ptr);	1426	free (ptr);
1132	return 0;	1427	return 0;
1133	#endif
1134	}	1428	}
1135		1429
1136	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1430	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1137		1431
1138	void ecb_cold	1432	void ecb_cold
1139	ev_set_allocator (void *(*cb)(void *ptr, long size))	1433	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1140	{	1434	{
1141	alloc = cb;	1435	alloc = cb;
1142	}	1436	}
1143		1437
1144	inline_speed void *	1438	inline_speed void *
…		…
1261		1555
1262	/*****************************************************************************/	1556	/*****************************************************************************/
1263		1557
1264	#ifndef EV_HAVE_EV_TIME	1558	#ifndef EV_HAVE_EV_TIME
1265	ev_tstamp	1559	ev_tstamp
1266	ev_time (void)	1560	ev_time (void) EV_THROW
1267	{	1561	{
1268	#if EV_USE_REALTIME	1562	#if EV_USE_REALTIME
1269	if (expect_true (have_realtime))	1563	if (expect_true (have_realtime))
1270	{	1564	{
1271	struct timespec ts;	1565	struct timespec ts;
…		…
1295	return ev_time ();	1589	return ev_time ();
1296	}	1590	}
1297		1591
1298	#if EV_MULTIPLICITY	1592	#if EV_MULTIPLICITY
1299	ev_tstamp	1593	ev_tstamp
1300	ev_now (EV_P)	1594	ev_now (EV_P) EV_THROW
1301	{	1595	{
1302	return ev_rt_now;	1596	return ev_rt_now;
1303	}	1597	}
1304	#endif	1598	#endif
1305		1599
1306	void	1600	void
1307	ev_sleep (ev_tstamp delay)	1601	ev_sleep (ev_tstamp delay) EV_THROW
1308	{	1602	{
1309	if (delay > 0.)	1603	if (delay > 0.)
1310	{	1604	{
1311	#if EV_USE_NANOSLEEP	1605	#if EV_USE_NANOSLEEP
1312	struct timespec ts;	1606	struct timespec ts;
1313		1607
1314	EV_TS_SET (ts, delay);	1608	EV_TS_SET (ts, delay);
1315	nanosleep (&ts, 0);	1609	nanosleep (&ts, 0);
1316	#elif defined(_WIN32)	1610	#elif defined _WIN32
1317	Sleep ((unsigned long)(delay * 1e3));	1611	Sleep ((unsigned long)(delay * 1e3));
1318	#else	1612	#else
1319	struct timeval tv;	1613	struct timeval tv;
1320		1614
1321	/* 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 */
…		…
1393	pendingcb (EV_P_ ev_prepare *w, int revents)	1687	pendingcb (EV_P_ ev_prepare *w, int revents)
1394	{	1688	{
1395	}	1689	}
1396		1690
1397	void noinline	1691	void noinline
1398	ev_feed_event (EV_P_ void *w, int revents)	1692	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1399	{	1693	{
1400	W w_ = (W)w;	1694	W w_ = (W)w;
1401	int pri = ABSPRI (w_);	1695	int pri = ABSPRI (w_);
1402		1696
1403	if (expect_false (w_->pending))	1697	if (expect_false (w_->pending))
…		…
1407	w_->pending = ++pendingcnt [pri];	1701	w_->pending = ++pendingcnt [pri];
1408	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1702	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1409	pendings [pri][w_->pending - 1].w = w_;	1703	pendings [pri][w_->pending - 1].w = w_;
1410	pendings [pri][w_->pending - 1].events = revents;	1704	pendings [pri][w_->pending - 1].events = revents;
1411	}	1705	}
		1706
		1707	pendingpri = NUMPRI - 1;
1412	}	1708	}
1413		1709
1414	inline_speed void	1710	inline_speed void
1415	feed_reverse (EV_P_ W w)	1711	feed_reverse (EV_P_ W w)
1416	{	1712	{
…		…
1462	if (expect_true (!anfd->reify))	1758	if (expect_true (!anfd->reify))
1463	fd_event_nocheck (EV_A_ fd, revents);	1759	fd_event_nocheck (EV_A_ fd, revents);
1464	}	1760	}
1465		1761
1466	void	1762	void
1467	ev_feed_fd_event (EV_P_ int fd, int revents)	1763	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1468	{	1764	{
1469	if (fd >= 0 && fd < anfdmax)	1765	if (fd >= 0 && fd < anfdmax)
1470	fd_event_nocheck (EV_A_ fd, revents);	1766	fd_event_nocheck (EV_A_ fd, revents);
1471	}	1767	}
1472		1768
…		…
1791	static void noinline ecb_cold	2087	static void noinline ecb_cold
1792	evpipe_init (EV_P)	2088	evpipe_init (EV_P)
1793	{	2089	{
1794	if (!ev_is_active (&pipe_w))	2090	if (!ev_is_active (&pipe_w))
1795	{	2091	{
		2092	int fds [2];
		2093
1796	# if EV_USE_EVENTFD	2094	# if EV_USE_EVENTFD
		2095	fds [0] = -1;
1797	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2096	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1798	if (evfd < 0 && errno == EINVAL)	2097	if (fds [1] < 0 && errno == EINVAL)
1799	evfd = eventfd (0, 0);	2098	fds [1] = eventfd (0, 0);
1800		2099
1801	if (evfd >= 0)	2100	if (fds [1] < 0)
		2101	# endif
1802	{	2102	{
		2103	while (pipe (fds))
		2104	ev_syserr ("(libev) error creating signal/async pipe");
		2105
		2106	fd_intern (fds [0]);
		2107	}
		2108
		2109	fd_intern (fds [1]);
		2110
1803	evpipe [0] = -1;	2111	evpipe [0] = fds [0];
1804	fd_intern (evfd); /* doing it twice doesn't hurt */	2112
1805	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	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));
1806	}	2161	}
1807	else	2162	else
1808	# endif	2163	#endif
1809	{	2164	{
1810	while (pipe (evpipe))	2165	#ifdef _WIN32
1811	ev_syserr ("(libev) error creating signal/async pipe");	2166	WSABUF buf;
1812		2167	DWORD sent;
1813	fd_intern (evpipe [0]);	2168	buf.buf = &buf;
1814	fd_intern (evpipe [1]);	2169	buf.len = 1;
1815	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2170	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1816	}	2171	#else
1817
1818	ev_io_start (EV_A_ &pipe_w);
1819	ev_unref (EV_A); /* watcher should not keep loop alive */
1820	}
1821	}
1822
1823	inline_speed void
1824	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1825	{
1826	if (expect_true (*flag))
1827	return;
1828
1829	*flag = 1;
1830
1831	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1832
1833	pipe_write_skipped = 1;
1834
1835	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1836
1837	if (pipe_write_wanted)
1838	{
1839	int old_errno;
1840
1841	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1842
1843	old_errno = errno; /* save errno because write will clobber it */
1844
1845	#if EV_USE_EVENTFD
1846	if (evfd >= 0)
1847	{
1848	uint64_t counter = 1;
1849	write (evfd, &counter, sizeof (uint64_t));
1850	}
1851	else
1852	#endif
1853	{
1854	/* win32 people keep sending patches that change this write() to send() */
1855	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1856	/* so when you think this write should be a send instead, please find out */
1857	/* where your send() is from - it's definitely not the microsoft send, and */
1858	/* tell me. thank you. */
1859	write (evpipe [1], &(evpipe [1]), 1);	2172	write (evpipe [1], &(evpipe [1]), 1);
		2173	#endif
1860	}	2174	}
1861		2175
1862	errno = old_errno;	2176	errno = old_errno;
1863	}	2177	}
1864	}	2178	}
…		…
1871	int i;	2185	int i;
1872		2186
1873	if (revents & EV_READ)	2187	if (revents & EV_READ)
1874	{	2188	{
1875	#if EV_USE_EVENTFD	2189	#if EV_USE_EVENTFD
1876	if (evfd >= 0)	2190	if (evpipe [0] < 0)
1877	{	2191	{
1878	uint64_t counter;	2192	uint64_t counter;
1879	read (evfd, &counter, sizeof (uint64_t));	2193	read (evpipe [1], &counter, sizeof (uint64_t));
1880	}	2194	}
1881	else	2195	else
1882	#endif	2196	#endif
1883	{	2197	{
1884	char dummy;	2198	char dummy[4];
1885	/* 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
1886	read (evpipe [0], &dummy, 1);	2207	read (evpipe [0], &dummy, sizeof (dummy));
		2208	#endif
1887	}	2209	}
1888	}	2210	}
1889		2211
1890	pipe_write_skipped = 0;	2212	pipe_write_skipped = 0;
		2213
		2214	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1891		2215
1892	#if EV_SIGNAL_ENABLE	2216	#if EV_SIGNAL_ENABLE
1893	if (sig_pending)	2217	if (sig_pending)
1894	{	2218	{
1895	sig_pending = 0;	2219	sig_pending = 0;
		2220
		2221	ECB_MEMORY_FENCE;
1896		2222
1897	for (i = EV_NSIG - 1; i--; )	2223	for (i = EV_NSIG - 1; i--; )
1898	if (expect_false (signals [i].pending))	2224	if (expect_false (signals [i].pending))
1899	ev_feed_signal_event (EV_A_ i + 1);	2225	ev_feed_signal_event (EV_A_ i + 1);
1900	}	2226	}
…		…
1902		2228
1903	#if EV_ASYNC_ENABLE	2229	#if EV_ASYNC_ENABLE
1904	if (async_pending)	2230	if (async_pending)
1905	{	2231	{
1906	async_pending = 0;	2232	async_pending = 0;
		2233
		2234	ECB_MEMORY_FENCE;
1907		2235
1908	for (i = asynccnt; i--; )	2236	for (i = asynccnt; i--; )
1909	if (asyncs [i]->sent)	2237	if (asyncs [i]->sent)
1910	{	2238	{
1911	asyncs [i]->sent = 0;	2239	asyncs [i]->sent = 0;
		2240	ECB_MEMORY_FENCE_RELEASE;
1912	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2241	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1913	}	2242	}
1914	}	2243	}
1915	#endif	2244	#endif
1916	}	2245	}
1917		2246
1918	/*****************************************************************************/	2247	/*****************************************************************************/
1919		2248
1920	void	2249	void
1921	ev_feed_signal (int signum)	2250	ev_feed_signal (int signum) EV_THROW
1922	{	2251	{
1923	#if EV_MULTIPLICITY	2252	#if EV_MULTIPLICITY
		2253	EV_P;
		2254	ECB_MEMORY_FENCE_ACQUIRE;
1924	EV_P = signals [signum - 1].loop;	2255	EV_A = signals [signum - 1].loop;
1925		2256
1926	if (!EV_A)	2257	if (!EV_A)
1927	return;	2258	return;
1928	#endif	2259	#endif
1929		2260
1930	if (!ev_active (&pipe_w))
1931	return;
1932
1933	signals [signum - 1].pending = 1;	2261	signals [signum - 1].pending = 1;
1934	evpipe_write (EV_A_ &sig_pending);	2262	evpipe_write (EV_A_ &sig_pending);
1935	}	2263	}
1936		2264
1937	static void	2265	static void
…		…
1943		2271
1944	ev_feed_signal (signum);	2272	ev_feed_signal (signum);
1945	}	2273	}
1946		2274
1947	void noinline	2275	void noinline
1948	ev_feed_signal_event (EV_P_ int signum)	2276	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1949	{	2277	{
1950	WL w;	2278	WL w;
1951		2279
1952	if (expect_false (signum <= 0 || signum > EV_NSIG))	2280	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1953	return;	2281	return;
1954		2282
1955	--signum;	2283	--signum;
1956		2284
1957	#if EV_MULTIPLICITY	2285	#if EV_MULTIPLICITY
…		…
1961	if (expect_false (signals [signum].loop != EV_A))	2289	if (expect_false (signals [signum].loop != EV_A))
1962	return;	2290	return;
1963	#endif	2291	#endif
1964		2292
1965	signals [signum].pending = 0;	2293	signals [signum].pending = 0;
		2294	ECB_MEMORY_FENCE_RELEASE;
1966		2295
1967	for (w = signals [signum].head; w; w = w->next)	2296	for (w = signals [signum].head; w; w = w->next)
1968	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2297	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1969	}	2298	}
1970		2299
…		…
2069	#if EV_USE_SELECT	2398	#if EV_USE_SELECT
2070	# include "ev_select.c"	2399	# include "ev_select.c"
2071	#endif	2400	#endif
2072		2401
2073	int ecb_cold	2402	int ecb_cold
2074	ev_version_major (void)	2403	ev_version_major (void) EV_THROW
2075	{	2404	{
2076	return EV_VERSION_MAJOR;	2405	return EV_VERSION_MAJOR;
2077	}	2406	}
2078		2407
2079	int ecb_cold	2408	int ecb_cold
2080	ev_version_minor (void)	2409	ev_version_minor (void) EV_THROW
2081	{	2410	{
2082	return EV_VERSION_MINOR;	2411	return EV_VERSION_MINOR;
2083	}	2412	}
2084		2413
2085	/* 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 */
…		…
2093	|| getgid () != getegid ();	2422	|| getgid () != getegid ();
2094	#endif	2423	#endif
2095	}	2424	}
2096		2425
2097	unsigned int ecb_cold	2426	unsigned int ecb_cold
2098	ev_supported_backends (void)	2427	ev_supported_backends (void) EV_THROW
2099	{	2428	{
2100	unsigned int flags = 0;	2429	unsigned int flags = 0;
2101		2430
2102	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2431	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2103	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2432	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2107		2436
2108	return flags;	2437	return flags;
2109	}	2438	}
2110		2439
2111	unsigned int ecb_cold	2440	unsigned int ecb_cold
2112	ev_recommended_backends (void)	2441	ev_recommended_backends (void) EV_THROW
2113	{	2442	{
2114	unsigned int flags = ev_supported_backends ();	2443	unsigned int flags = ev_supported_backends ();
2115		2444
2116	#ifndef __NetBSD__	2445	#ifndef __NetBSD__
2117	/* kqueue is borked on everything but netbsd apparently */	2446	/* kqueue is borked on everything but netbsd apparently */
…		…
2129		2458
2130	return flags;	2459	return flags;
2131	}	2460	}
2132		2461
2133	unsigned int ecb_cold	2462	unsigned int ecb_cold
2134	ev_embeddable_backends (void)	2463	ev_embeddable_backends (void) EV_THROW
2135	{	2464	{
2136	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2465	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2137		2466
2138	/* 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 */
2139	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 */
…		…
2141		2470
2142	return flags;	2471	return flags;
2143	}	2472	}
2144		2473
2145	unsigned int	2474	unsigned int
2146	ev_backend (EV_P)	2475	ev_backend (EV_P) EV_THROW
2147	{	2476	{
2148	return backend;	2477	return backend;
2149	}	2478	}
2150		2479
2151	#if EV_FEATURE_API	2480	#if EV_FEATURE_API
2152	unsigned int	2481	unsigned int
2153	ev_iteration (EV_P)	2482	ev_iteration (EV_P) EV_THROW
2154	{	2483	{
2155	return loop_count;	2484	return loop_count;
2156	}	2485	}
2157		2486
2158	unsigned int	2487	unsigned int
2159	ev_depth (EV_P)	2488	ev_depth (EV_P) EV_THROW
2160	{	2489	{
2161	return loop_depth;	2490	return loop_depth;
2162	}	2491	}
2163		2492
2164	void	2493	void
2165	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2494	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2166	{	2495	{
2167	io_blocktime = interval;	2496	io_blocktime = interval;
2168	}	2497	}
2169		2498
2170	void	2499	void
2171	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2500	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2172	{	2501	{
2173	timeout_blocktime = interval;	2502	timeout_blocktime = interval;
2174	}	2503	}
2175		2504
2176	void	2505	void
2177	ev_set_userdata (EV_P_ void *data)	2506	ev_set_userdata (EV_P_ void *data) EV_THROW
2178	{	2507	{
2179	userdata = data;	2508	userdata = data;
2180	}	2509	}
2181		2510
2182	void *	2511	void *
2183	ev_userdata (EV_P)	2512	ev_userdata (EV_P) EV_THROW
2184	{	2513	{
2185	return userdata;	2514	return userdata;
2186	}	2515	}
2187		2516
2188	void	2517	void
2189	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
2190	{	2519	{
2191	invoke_cb = invoke_pending_cb;	2520	invoke_cb = invoke_pending_cb;
2192	}	2521	}
2193		2522
2194	void	2523	void
2195	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
2196	{	2525	{
2197	release_cb = release;	2526	release_cb = release;
2198	acquire_cb = acquire;	2527	acquire_cb = acquire;
2199	}	2528	}
2200	#endif	2529	#endif
2201		2530
2202	/* initialise a loop structure, must be zero-initialised */	2531	/* initialise a loop structure, must be zero-initialised */
2203	static void noinline ecb_cold	2532	static void noinline ecb_cold
2204	loop_init (EV_P_ unsigned int flags)	2533	loop_init (EV_P_ unsigned int flags) EV_THROW
2205	{	2534	{
2206	if (!backend)	2535	if (!backend)
2207	{	2536	{
2208	origflags = flags;	2537	origflags = flags;
2209		2538
…		…
2254	#if EV_ASYNC_ENABLE	2583	#if EV_ASYNC_ENABLE
2255	async_pending = 0;	2584	async_pending = 0;
2256	#endif	2585	#endif
2257	pipe_write_skipped = 0;	2586	pipe_write_skipped = 0;
2258	pipe_write_wanted = 0;	2587	pipe_write_wanted = 0;
		2588	evpipe [0] = -1;
		2589	evpipe [1] = -1;
2259	#if EV_USE_INOTIFY	2590	#if EV_USE_INOTIFY
2260	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2591	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2261	#endif	2592	#endif
2262	#if EV_USE_SIGNALFD	2593	#if EV_USE_SIGNALFD
2263	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2594	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2314	EV_INVOKE_PENDING;	2645	EV_INVOKE_PENDING;
2315	}	2646	}
2316	#endif	2647	#endif
2317		2648
2318	#if EV_CHILD_ENABLE	2649	#if EV_CHILD_ENABLE
2319	if (ev_is_active (&childev))	2650	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2320	{	2651	{
2321	ev_ref (EV_A); /* child watcher */	2652	ev_ref (EV_A); /* child watcher */
2322	ev_signal_stop (EV_A_ &childev);	2653	ev_signal_stop (EV_A_ &childev);
2323	}	2654	}
2324	#endif	2655	#endif
…		…
2326	if (ev_is_active (&pipe_w))	2657	if (ev_is_active (&pipe_w))
2327	{	2658	{
2328	/*ev_ref (EV_A);*/	2659	/*ev_ref (EV_A);*/
2329	/*ev_io_stop (EV_A_ &pipe_w);*/	2660	/*ev_io_stop (EV_A_ &pipe_w);*/
2330		2661
2331	#if EV_USE_EVENTFD
2332	if (evfd >= 0)
2333	close (evfd);
2334	#endif
2335
2336	if (evpipe [0] >= 0)
2337	{
2338	EV_WIN32_CLOSE_FD (evpipe [0]);	2662	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2339	EV_WIN32_CLOSE_FD (evpipe [1]);	2663	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2340	}
2341	}	2664	}
2342		2665
2343	#if EV_USE_SIGNALFD	2666	#if EV_USE_SIGNALFD
2344	if (ev_is_active (&sigfd_w))	2667	if (ev_is_active (&sigfd_w))
2345	close (sigfd);	2668	close (sigfd);
…		…
2431	#endif	2754	#endif
2432	#if EV_USE_INOTIFY	2755	#if EV_USE_INOTIFY
2433	infy_fork (EV_A);	2756	infy_fork (EV_A);
2434	#endif	2757	#endif
2435		2758
		2759	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2436	if (ev_is_active (&pipe_w))	2760	if (ev_is_active (&pipe_w))
2437	{	2761	{
2438	/* 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 */
2439		2763
2440	ev_ref (EV_A);	2764	ev_ref (EV_A);
2441	ev_io_stop (EV_A_ &pipe_w);	2765	ev_io_stop (EV_A_ &pipe_w);
2442		2766
2443	#if EV_USE_EVENTFD
2444	if (evfd >= 0)
2445	close (evfd);
2446	#endif
2447
2448	if (evpipe [0] >= 0)	2767	if (evpipe [0] >= 0)
2449	{
2450	EV_WIN32_CLOSE_FD (evpipe [0]);	2768	EV_WIN32_CLOSE_FD (evpipe [0]);
2451	EV_WIN32_CLOSE_FD (evpipe [1]);
2452	}
2453		2769
2454	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2455	evpipe_init (EV_A);	2770	evpipe_init (EV_A);
2456	/* now iterate over everything, in case we missed something */	2771	/* iterate over everything, in case we missed something before */
2457	pipecb (EV_A_ &pipe_w, EV_READ);	2772	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2458	#endif
2459	}	2773	}
		2774	#endif
2460		2775
2461	postfork = 0;	2776	postfork = 0;
2462	}	2777	}
2463		2778
2464	#if EV_MULTIPLICITY	2779	#if EV_MULTIPLICITY
2465		2780
2466	struct ev_loop * ecb_cold	2781	struct ev_loop * ecb_cold
2467	ev_loop_new (unsigned int flags)	2782	ev_loop_new (unsigned int flags) EV_THROW
2468	{	2783	{
2469	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2784	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2470		2785
2471	memset (EV_A, 0, sizeof (struct ev_loop));	2786	memset (EV_A, 0, sizeof (struct ev_loop));
2472	loop_init (EV_A_ flags);	2787	loop_init (EV_A_ flags);
…		…
2516	}	2831	}
2517	#endif	2832	#endif
2518		2833
2519	#if EV_FEATURE_API	2834	#if EV_FEATURE_API
2520	void ecb_cold	2835	void ecb_cold
2521	ev_verify (EV_P)	2836	ev_verify (EV_P) EV_THROW
2522	{	2837	{
2523	#if EV_VERIFY	2838	#if EV_VERIFY
2524	int i;	2839	int i;
2525	WL w;	2840	WL w, w2;
2526		2841
2527	assert (activecnt >= -1);	2842	assert (activecnt >= -1);
2528		2843
2529	assert (fdchangemax >= fdchangecnt);	2844	assert (fdchangemax >= fdchangecnt);
2530	for (i = 0; i < fdchangecnt; ++i)	2845	for (i = 0; i < fdchangecnt; ++i)
2531	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2846	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2532		2847
2533	assert (anfdmax >= 0);	2848	assert (anfdmax >= 0);
2534	for (i = 0; i < anfdmax; ++i)	2849	for (i = 0; i < anfdmax; ++i)
		2850	{
		2851	int j = 0;
		2852
2535	for (w = anfds [i].head; w; w = w->next)	2853	for (w = w2 = anfds [i].head; w; w = w->next)
2536	{	2854	{
2537	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
2538	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));
2539	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));
2540	}	2865	}
		2866	}
2541		2867
2542	assert (timermax >= timercnt);	2868	assert (timermax >= timercnt);
2543	verify_heap (EV_A_ timers, timercnt);	2869	verify_heap (EV_A_ timers, timercnt);
2544		2870
2545	#if EV_PERIODIC_ENABLE	2871	#if EV_PERIODIC_ENABLE
…		…
2595	#if EV_MULTIPLICITY	2921	#if EV_MULTIPLICITY
2596	struct ev_loop * ecb_cold	2922	struct ev_loop * ecb_cold
2597	#else	2923	#else
2598	int	2924	int
2599	#endif	2925	#endif
2600	ev_default_loop (unsigned int flags)	2926	ev_default_loop (unsigned int flags) EV_THROW
2601	{	2927	{
2602	if (!ev_default_loop_ptr)	2928	if (!ev_default_loop_ptr)
2603	{	2929	{
2604	#if EV_MULTIPLICITY	2930	#if EV_MULTIPLICITY
2605	EV_P = ev_default_loop_ptr = &default_loop_struct;	2931	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2624		2950
2625	return ev_default_loop_ptr;	2951	return ev_default_loop_ptr;
2626	}	2952	}
2627		2953
2628	void	2954	void
2629	ev_loop_fork (EV_P)	2955	ev_loop_fork (EV_P) EV_THROW
2630	{	2956	{
2631	postfork = 1; /* must be in line with ev_default_fork */	2957	postfork = 1;
2632	}	2958	}
2633		2959
2634	/*****************************************************************************/	2960	/*****************************************************************************/
2635		2961
2636	void	2962	void
…		…
2638	{	2964	{
2639	EV_CB_INVOKE ((W)w, revents);	2965	EV_CB_INVOKE ((W)w, revents);
2640	}	2966	}
2641		2967
2642	unsigned int	2968	unsigned int
2643	ev_pending_count (EV_P)	2969	ev_pending_count (EV_P) EV_THROW
2644	{	2970	{
2645	int pri;	2971	int pri;
2646	unsigned int count = 0;	2972	unsigned int count = 0;
2647		2973
2648	for (pri = NUMPRI; pri--; )	2974	for (pri = NUMPRI; pri--; )
…		…
2652	}	2978	}
2653		2979
2654	void noinline	2980	void noinline
2655	ev_invoke_pending (EV_P)	2981	ev_invoke_pending (EV_P)
2656	{	2982	{
2657	int pri;	2983	pendingpri = NUMPRI;
2658		2984
2659	for (pri = NUMPRI; pri--; )	2985	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2986	{
		2987	--pendingpri;
		2988
2660	while (pendingcnt [pri])	2989	while (pendingcnt [pendingpri])
2661	{	2990	{
2662	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2991	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2663		2992
2664	p->w->pending = 0;	2993	p->w->pending = 0;
2665	EV_CB_INVOKE (p->w, p->events);	2994	EV_CB_INVOKE (p->w, p->events);
2666	EV_FREQUENT_CHECK;	2995	EV_FREQUENT_CHECK;
2667	}	2996	}
		2997	}
2668	}	2998	}
2669		2999
2670	#if EV_IDLE_ENABLE	3000	#if EV_IDLE_ENABLE
2671	/* make idle watchers pending. this handles the "call-idle */	3001	/* make idle watchers pending. this handles the "call-idle */
2672	/* only when higher priorities are idle" logic */	3002	/* only when higher priorities are idle" logic */
…		…
2762	{	3092	{
2763	EV_FREQUENT_CHECK;	3093	EV_FREQUENT_CHECK;
2764		3094
2765	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3095	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2766	{	3096	{
2767	int feed_count = 0;
2768
2769	do	3097	do
2770	{	3098	{
2771	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3099	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2772		3100
2773	/*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)));*/
…		…
2907		3235
2908	mn_now = ev_rt_now;	3236	mn_now = ev_rt_now;
2909	}	3237	}
2910	}	3238	}
2911		3239
2912	void	3240	int
2913	ev_run (EV_P_ int flags)	3241	ev_run (EV_P_ int flags)
2914	{	3242	{
2915	#if EV_FEATURE_API	3243	#if EV_FEATURE_API
2916	++loop_depth;	3244	++loop_depth;
2917	#endif	3245	#endif
…		…
3032	backend_poll (EV_A_ waittime);	3360	backend_poll (EV_A_ waittime);
3033	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3361	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3034		3362
3035	pipe_write_wanted = 0; /* just an optimisation, no fence needed */	3363	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3036		3364
		3365	ECB_MEMORY_FENCE_ACQUIRE;
3037	if (pipe_write_skipped)	3366	if (pipe_write_skipped)
3038	{	3367	{
3039	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)));
3040	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3369	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3041	}	3370	}
…		…
3074	loop_done = EVBREAK_CANCEL;	3403	loop_done = EVBREAK_CANCEL;
3075		3404
3076	#if EV_FEATURE_API	3405	#if EV_FEATURE_API
3077	--loop_depth;	3406	--loop_depth;
3078	#endif	3407	#endif
		3408
		3409	return activecnt;
3079	}	3410	}
3080		3411
3081	void	3412	void
3082	ev_break (EV_P_ int how)	3413	ev_break (EV_P_ int how) EV_THROW
3083	{	3414	{
3084	loop_done = how;	3415	loop_done = how;
3085	}	3416	}
3086		3417
3087	void	3418	void
3088	ev_ref (EV_P)	3419	ev_ref (EV_P) EV_THROW
3089	{	3420	{
3090	++activecnt;	3421	++activecnt;
3091	}	3422	}
3092		3423
3093	void	3424	void
3094	ev_unref (EV_P)	3425	ev_unref (EV_P) EV_THROW
3095	{	3426	{
3096	--activecnt;	3427	--activecnt;
3097	}	3428	}
3098		3429
3099	void	3430	void
3100	ev_now_update (EV_P)	3431	ev_now_update (EV_P) EV_THROW
3101	{	3432	{
3102	time_update (EV_A_ 1e100);	3433	time_update (EV_A_ 1e100);
3103	}	3434	}
3104		3435
3105	void	3436	void
3106	ev_suspend (EV_P)	3437	ev_suspend (EV_P) EV_THROW
3107	{	3438	{
3108	ev_now_update (EV_A);	3439	ev_now_update (EV_A);
3109	}	3440	}
3110		3441
3111	void	3442	void
3112	ev_resume (EV_P)	3443	ev_resume (EV_P) EV_THROW
3113	{	3444	{
3114	ev_tstamp mn_prev = mn_now;	3445	ev_tstamp mn_prev = mn_now;
3115		3446
3116	ev_now_update (EV_A);	3447	ev_now_update (EV_A);
3117	timers_reschedule (EV_A_ mn_now - mn_prev);	3448	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3156	w->pending = 0;	3487	w->pending = 0;
3157	}	3488	}
3158	}	3489	}
3159		3490
3160	int	3491	int
3161	ev_clear_pending (EV_P_ void *w)	3492	ev_clear_pending (EV_P_ void *w) EV_THROW
3162	{	3493	{
3163	W w_ = (W)w;	3494	W w_ = (W)w;
3164	int pending = w_->pending;	3495	int pending = w_->pending;
3165		3496
3166	if (expect_true (pending))	3497	if (expect_true (pending))
…		…
3199	}	3530	}
3200		3531
3201	/*****************************************************************************/	3532	/*****************************************************************************/
3202		3533
3203	void noinline	3534	void noinline
3204	ev_io_start (EV_P_ ev_io *w)	3535	ev_io_start (EV_P_ ev_io *w) EV_THROW
3205	{	3536	{
3206	int fd = w->fd;	3537	int fd = w->fd;
3207		3538
3208	if (expect_false (ev_is_active (w)))	3539	if (expect_false (ev_is_active (w)))
3209	return;	3540	return;
…		…
3215		3546
3216	ev_start (EV_A_ (W)w, 1);	3547	ev_start (EV_A_ (W)w, 1);
3217	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3548	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3218	wlist_add (&anfds[fd].head, (WL)w);	3549	wlist_add (&anfds[fd].head, (WL)w);
3219		3550
		3551	/* common bug, apparently */
		3552	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3553
3220	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);
3221	w->events &= ~EV__IOFDSET;	3555	w->events &= ~EV__IOFDSET;
3222		3556
3223	EV_FREQUENT_CHECK;	3557	EV_FREQUENT_CHECK;
3224	}	3558	}
3225		3559
3226	void noinline	3560	void noinline
3227	ev_io_stop (EV_P_ ev_io *w)	3561	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3228	{	3562	{
3229	clear_pending (EV_A_ (W)w);	3563	clear_pending (EV_A_ (W)w);
3230	if (expect_false (!ev_is_active (w)))	3564	if (expect_false (!ev_is_active (w)))
3231	return;	3565	return;
3232		3566
…		…
3241		3575
3242	EV_FREQUENT_CHECK;	3576	EV_FREQUENT_CHECK;
3243	}	3577	}
3244		3578
3245	void noinline	3579	void noinline
3246	ev_timer_start (EV_P_ ev_timer *w)	3580	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3247	{	3581	{
3248	if (expect_false (ev_is_active (w)))	3582	if (expect_false (ev_is_active (w)))
3249	return;	3583	return;
3250		3584
3251	ev_at (w) += mn_now;	3585	ev_at (w) += mn_now;
…		…
3265		3599
3266	/*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));*/
3267	}	3601	}
3268		3602
3269	void noinline	3603	void noinline
3270	ev_timer_stop (EV_P_ ev_timer *w)	3604	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3271	{	3605	{
3272	clear_pending (EV_A_ (W)w);	3606	clear_pending (EV_A_ (W)w);
3273	if (expect_false (!ev_is_active (w)))	3607	if (expect_false (!ev_is_active (w)))
3274	return;	3608	return;
3275		3609
…		…
3295		3629
3296	EV_FREQUENT_CHECK;	3630	EV_FREQUENT_CHECK;
3297	}	3631	}
3298		3632
3299	void noinline	3633	void noinline
3300	ev_timer_again (EV_P_ ev_timer *w)	3634	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3301	{	3635	{
3302	EV_FREQUENT_CHECK;	3636	EV_FREQUENT_CHECK;
		3637
		3638	clear_pending (EV_A_ (W)w);
3303		3639
3304	if (ev_is_active (w))	3640	if (ev_is_active (w))
3305	{	3641	{
3306	if (w->repeat)	3642	if (w->repeat)
3307	{	3643	{
…		…
3320		3656
3321	EV_FREQUENT_CHECK;	3657	EV_FREQUENT_CHECK;
3322	}	3658	}
3323		3659
3324	ev_tstamp	3660	ev_tstamp
3325	ev_timer_remaining (EV_P_ ev_timer *w)	3661	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3326	{	3662	{
3327	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3663	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3328	}	3664	}
3329		3665
3330	#if EV_PERIODIC_ENABLE	3666	#if EV_PERIODIC_ENABLE
3331	void noinline	3667	void noinline
3332	ev_periodic_start (EV_P_ ev_periodic *w)	3668	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3333	{	3669	{
3334	if (expect_false (ev_is_active (w)))	3670	if (expect_false (ev_is_active (w)))
3335	return;	3671	return;
3336		3672
3337	if (w->reschedule_cb)	3673	if (w->reschedule_cb)
…		…
3357		3693
3358	/*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));*/
3359	}	3695	}
3360		3696
3361	void noinline	3697	void noinline
3362	ev_periodic_stop (EV_P_ ev_periodic *w)	3698	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3363	{	3699	{
3364	clear_pending (EV_A_ (W)w);	3700	clear_pending (EV_A_ (W)w);
3365	if (expect_false (!ev_is_active (w)))	3701	if (expect_false (!ev_is_active (w)))
3366	return;	3702	return;
3367		3703
…		…
3385		3721
3386	EV_FREQUENT_CHECK;	3722	EV_FREQUENT_CHECK;
3387	}	3723	}
3388		3724
3389	void noinline	3725	void noinline
3390	ev_periodic_again (EV_P_ ev_periodic *w)	3726	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3391	{	3727	{
3392	/* TODO: use adjustheap and recalculation */	3728	/* TODO: use adjustheap and recalculation */
3393	ev_periodic_stop (EV_A_ w);	3729	ev_periodic_stop (EV_A_ w);
3394	ev_periodic_start (EV_A_ w);	3730	ev_periodic_start (EV_A_ w);
3395	}	3731	}
…		…
3400	#endif	3736	#endif
3401		3737
3402	#if EV_SIGNAL_ENABLE	3738	#if EV_SIGNAL_ENABLE
3403		3739
3404	void noinline	3740	void noinline
3405	ev_signal_start (EV_P_ ev_signal *w)	3741	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3406	{	3742	{
3407	if (expect_false (ev_is_active (w)))	3743	if (expect_false (ev_is_active (w)))
3408	return;	3744	return;
3409		3745
3410	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));
…		…
3412	#if EV_MULTIPLICITY	3748	#if EV_MULTIPLICITY
3413	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",
3414	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3750	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3415		3751
3416	signals [w->signum - 1].loop = EV_A;	3752	signals [w->signum - 1].loop = EV_A;
		3753	ECB_MEMORY_FENCE_RELEASE;
3417	#endif	3754	#endif
3418		3755
3419	EV_FREQUENT_CHECK;	3756	EV_FREQUENT_CHECK;
3420		3757
3421	#if EV_USE_SIGNALFD	3758	#if EV_USE_SIGNALFD
…		…
3481		3818
3482	EV_FREQUENT_CHECK;	3819	EV_FREQUENT_CHECK;
3483	}	3820	}
3484		3821
3485	void noinline	3822	void noinline
3486	ev_signal_stop (EV_P_ ev_signal *w)	3823	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3487	{	3824	{
3488	clear_pending (EV_A_ (W)w);	3825	clear_pending (EV_A_ (W)w);
3489	if (expect_false (!ev_is_active (w)))	3826	if (expect_false (!ev_is_active (w)))
3490	return;	3827	return;
3491		3828
…		…
3522	#endif	3859	#endif
3523		3860
3524	#if EV_CHILD_ENABLE	3861	#if EV_CHILD_ENABLE
3525		3862
3526	void	3863	void
3527	ev_child_start (EV_P_ ev_child *w)	3864	ev_child_start (EV_P_ ev_child *w) EV_THROW
3528	{	3865	{
3529	#if EV_MULTIPLICITY	3866	#if EV_MULTIPLICITY
3530	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));
3531	#endif	3868	#endif
3532	if (expect_false (ev_is_active (w)))	3869	if (expect_false (ev_is_active (w)))
…		…
3539		3876
3540	EV_FREQUENT_CHECK;	3877	EV_FREQUENT_CHECK;
3541	}	3878	}
3542		3879
3543	void	3880	void
3544	ev_child_stop (EV_P_ ev_child *w)	3881	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3545	{	3882	{
3546	clear_pending (EV_A_ (W)w);	3883	clear_pending (EV_A_ (W)w);
3547	if (expect_false (!ev_is_active (w)))	3884	if (expect_false (!ev_is_active (w)))
3548	return;	3885	return;
3549		3886
…		…
3576	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3913	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3577		3914
3578	static void noinline	3915	static void noinline
3579	infy_add (EV_P_ ev_stat *w)	3916	infy_add (EV_P_ ev_stat *w)
3580	{	3917	{
3581	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);
3582		3922
3583	if (w->wd >= 0)	3923	if (w->wd >= 0)
3584	{	3924	{
3585	struct statfs sfs;	3925	struct statfs sfs;
3586		3926
…		…
3590		3930
3591	if (!fs_2625)	3931	if (!fs_2625)
3592	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3932	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3593	else if (!statfs (w->path, &sfs)	3933	else if (!statfs (w->path, &sfs)
3594	&& (sfs.f_type == 0x1373 /* devfs */	3934	&& (sfs.f_type == 0x1373 /* devfs */
		3935	|| sfs.f_type == 0x4006 /* fat */
		3936	|| sfs.f_type == 0x4d44 /* msdos */
3595	|| 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 */
3596	|| sfs.f_type == 0x3153464a /* jfs */	3941	|| sfs.f_type == 0x3153464a /* jfs */
		3942	|| sfs.f_type == 0x9123683e /* btrfs */
3597	|| sfs.f_type == 0x52654973 /* reiser3 */	3943	|| sfs.f_type == 0x52654973 /* reiser3 */
3598	|| sfs.f_type == 0x01021994 /* tempfs */	3944	|| sfs.f_type == 0x01021994 /* tmpfs */
3599	|| sfs.f_type == 0x58465342 /* xfs */))	3945	|| sfs.f_type == 0x58465342 /* xfs */))
3600	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3946	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3601	else	3947	else
3602	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 */
3603	}	3949	}
…		…
3716	}	4062	}
3717		4063
3718	inline_size int	4064	inline_size int
3719	infy_newfd (void)	4065	infy_newfd (void)
3720	{	4066	{
3721	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4067	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3722	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4068	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3723	if (fd >= 0)	4069	if (fd >= 0)
3724	return fd;	4070	return fd;
3725	#endif	4071	#endif
3726	return inotify_init ();	4072	return inotify_init ();
…		…
3801	#else	4147	#else
3802	# define EV_LSTAT(p,b) lstat (p, b)	4148	# define EV_LSTAT(p,b) lstat (p, b)
3803	#endif	4149	#endif
3804		4150
3805	void	4151	void
3806	ev_stat_stat (EV_P_ ev_stat *w)	4152	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3807	{	4153	{
3808	if (lstat (w->path, &w->attr) < 0)	4154	if (lstat (w->path, &w->attr) < 0)
3809	w->attr.st_nlink = 0;	4155	w->attr.st_nlink = 0;
3810	else if (!w->attr.st_nlink)	4156	else if (!w->attr.st_nlink)
3811	w->attr.st_nlink = 1;	4157	w->attr.st_nlink = 1;
…		…
3850	ev_feed_event (EV_A_ w, EV_STAT);	4196	ev_feed_event (EV_A_ w, EV_STAT);
3851	}	4197	}
3852	}	4198	}
3853		4199
3854	void	4200	void
3855	ev_stat_start (EV_P_ ev_stat *w)	4201	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3856	{	4202	{
3857	if (expect_false (ev_is_active (w)))	4203	if (expect_false (ev_is_active (w)))
3858	return;	4204	return;
3859		4205
3860	ev_stat_stat (EV_A_ w);	4206	ev_stat_stat (EV_A_ w);
…		…
3881		4227
3882	EV_FREQUENT_CHECK;	4228	EV_FREQUENT_CHECK;
3883	}	4229	}
3884		4230
3885	void	4231	void
3886	ev_stat_stop (EV_P_ ev_stat *w)	4232	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3887	{	4233	{
3888	clear_pending (EV_A_ (W)w);	4234	clear_pending (EV_A_ (W)w);
3889	if (expect_false (!ev_is_active (w)))	4235	if (expect_false (!ev_is_active (w)))
3890	return;	4236	return;
3891		4237
…		…
3907	}	4253	}
3908	#endif	4254	#endif
3909		4255
3910	#if EV_IDLE_ENABLE	4256	#if EV_IDLE_ENABLE
3911	void	4257	void
3912	ev_idle_start (EV_P_ ev_idle *w)	4258	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3913	{	4259	{
3914	if (expect_false (ev_is_active (w)))	4260	if (expect_false (ev_is_active (w)))
3915	return;	4261	return;
3916		4262
3917	pri_adjust (EV_A_ (W)w);	4263	pri_adjust (EV_A_ (W)w);
…		…
3930		4276
3931	EV_FREQUENT_CHECK;	4277	EV_FREQUENT_CHECK;
3932	}	4278	}
3933		4279
3934	void	4280	void
3935	ev_idle_stop (EV_P_ ev_idle *w)	4281	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3936	{	4282	{
3937	clear_pending (EV_A_ (W)w);	4283	clear_pending (EV_A_ (W)w);
3938	if (expect_false (!ev_is_active (w)))	4284	if (expect_false (!ev_is_active (w)))
3939	return;	4285	return;
3940		4286
…		…
3954	}	4300	}
3955	#endif	4301	#endif
3956		4302
3957	#if EV_PREPARE_ENABLE	4303	#if EV_PREPARE_ENABLE
3958	void	4304	void
3959	ev_prepare_start (EV_P_ ev_prepare *w)	4305	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3960	{	4306	{
3961	if (expect_false (ev_is_active (w)))	4307	if (expect_false (ev_is_active (w)))
3962	return;	4308	return;
3963		4309
3964	EV_FREQUENT_CHECK;	4310	EV_FREQUENT_CHECK;
…		…
3969		4315
3970	EV_FREQUENT_CHECK;	4316	EV_FREQUENT_CHECK;
3971	}	4317	}
3972		4318
3973	void	4319	void
3974	ev_prepare_stop (EV_P_ ev_prepare *w)	4320	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3975	{	4321	{
3976	clear_pending (EV_A_ (W)w);	4322	clear_pending (EV_A_ (W)w);
3977	if (expect_false (!ev_is_active (w)))	4323	if (expect_false (!ev_is_active (w)))
3978	return;	4324	return;
3979		4325
…		…
3992	}	4338	}
3993	#endif	4339	#endif
3994		4340
3995	#if EV_CHECK_ENABLE	4341	#if EV_CHECK_ENABLE
3996	void	4342	void
3997	ev_check_start (EV_P_ ev_check *w)	4343	ev_check_start (EV_P_ ev_check *w) EV_THROW
3998	{	4344	{
3999	if (expect_false (ev_is_active (w)))	4345	if (expect_false (ev_is_active (w)))
4000	return;	4346	return;
4001		4347
4002	EV_FREQUENT_CHECK;	4348	EV_FREQUENT_CHECK;
…		…
4007		4353
4008	EV_FREQUENT_CHECK;	4354	EV_FREQUENT_CHECK;
4009	}	4355	}
4010		4356
4011	void	4357	void
4012	ev_check_stop (EV_P_ ev_check *w)	4358	ev_check_stop (EV_P_ ev_check *w) EV_THROW
4013	{	4359	{
4014	clear_pending (EV_A_ (W)w);	4360	clear_pending (EV_A_ (W)w);
4015	if (expect_false (!ev_is_active (w)))	4361	if (expect_false (!ev_is_active (w)))
4016	return;	4362	return;
4017		4363
…		…
4030	}	4376	}
4031	#endif	4377	#endif
4032		4378
4033	#if EV_EMBED_ENABLE	4379	#if EV_EMBED_ENABLE
4034	void noinline	4380	void noinline
4035	ev_embed_sweep (EV_P_ ev_embed *w)	4381	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4036	{	4382	{
4037	ev_run (w->other, EVRUN_NOWAIT);	4383	ev_run (w->other, EVRUN_NOWAIT);
4038	}	4384	}
4039		4385
4040	static void	4386	static void
…		…
4088	ev_idle_stop (EV_A_ idle);	4434	ev_idle_stop (EV_A_ idle);
4089	}	4435	}
4090	#endif	4436	#endif
4091		4437
4092	void	4438	void
4093	ev_embed_start (EV_P_ ev_embed *w)	4439	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4094	{	4440	{
4095	if (expect_false (ev_is_active (w)))	4441	if (expect_false (ev_is_active (w)))
4096	return;	4442	return;
4097		4443
4098	{	4444	{
…		…
4119		4465
4120	EV_FREQUENT_CHECK;	4466	EV_FREQUENT_CHECK;
4121	}	4467	}
4122		4468
4123	void	4469	void
4124	ev_embed_stop (EV_P_ ev_embed *w)	4470	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4125	{	4471	{
4126	clear_pending (EV_A_ (W)w);	4472	clear_pending (EV_A_ (W)w);
4127	if (expect_false (!ev_is_active (w)))	4473	if (expect_false (!ev_is_active (w)))
4128	return;	4474	return;
4129		4475
…		…
4139	}	4485	}
4140	#endif	4486	#endif
4141		4487
4142	#if EV_FORK_ENABLE	4488	#if EV_FORK_ENABLE
4143	void	4489	void
4144	ev_fork_start (EV_P_ ev_fork *w)	4490	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4145	{	4491	{
4146	if (expect_false (ev_is_active (w)))	4492	if (expect_false (ev_is_active (w)))
4147	return;	4493	return;
4148		4494
4149	EV_FREQUENT_CHECK;	4495	EV_FREQUENT_CHECK;
…		…
4154		4500
4155	EV_FREQUENT_CHECK;	4501	EV_FREQUENT_CHECK;
4156	}	4502	}
4157		4503
4158	void	4504	void
4159	ev_fork_stop (EV_P_ ev_fork *w)	4505	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4160	{	4506	{
4161	clear_pending (EV_A_ (W)w);	4507	clear_pending (EV_A_ (W)w);
4162	if (expect_false (!ev_is_active (w)))	4508	if (expect_false (!ev_is_active (w)))
4163	return;	4509	return;
4164		4510
…		…
4177	}	4523	}
4178	#endif	4524	#endif
4179		4525
4180	#if EV_CLEANUP_ENABLE	4526	#if EV_CLEANUP_ENABLE
4181	void	4527	void
4182	ev_cleanup_start (EV_P_ ev_cleanup *w)	4528	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4183	{	4529	{
4184	if (expect_false (ev_is_active (w)))	4530	if (expect_false (ev_is_active (w)))
4185	return;	4531	return;
4186		4532
4187	EV_FREQUENT_CHECK;	4533	EV_FREQUENT_CHECK;
…		…
4194	ev_unref (EV_A);	4540	ev_unref (EV_A);
4195	EV_FREQUENT_CHECK;	4541	EV_FREQUENT_CHECK;
4196	}	4542	}
4197		4543
4198	void	4544	void
4199	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4545	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4200	{	4546	{
4201	clear_pending (EV_A_ (W)w);	4547	clear_pending (EV_A_ (W)w);
4202	if (expect_false (!ev_is_active (w)))	4548	if (expect_false (!ev_is_active (w)))
4203	return;	4549	return;
4204		4550
…		…
4218	}	4564	}
4219	#endif	4565	#endif
4220		4566
4221	#if EV_ASYNC_ENABLE	4567	#if EV_ASYNC_ENABLE
4222	void	4568	void
4223	ev_async_start (EV_P_ ev_async *w)	4569	ev_async_start (EV_P_ ev_async *w) EV_THROW
4224	{	4570	{
4225	if (expect_false (ev_is_active (w)))	4571	if (expect_false (ev_is_active (w)))
4226	return;	4572	return;
4227		4573
4228	w->sent = 0;	4574	w->sent = 0;
…		…
4237		4583
4238	EV_FREQUENT_CHECK;	4584	EV_FREQUENT_CHECK;
4239	}	4585	}
4240		4586
4241	void	4587	void
4242	ev_async_stop (EV_P_ ev_async *w)	4588	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4243	{	4589	{
4244	clear_pending (EV_A_ (W)w);	4590	clear_pending (EV_A_ (W)w);
4245	if (expect_false (!ev_is_active (w)))	4591	if (expect_false (!ev_is_active (w)))
4246	return;	4592	return;
4247		4593
…		…
4258		4604
4259	EV_FREQUENT_CHECK;	4605	EV_FREQUENT_CHECK;
4260	}	4606	}
4261		4607
4262	void	4608	void
4263	ev_async_send (EV_P_ ev_async *w)	4609	ev_async_send (EV_P_ ev_async *w) EV_THROW
4264	{	4610	{
4265	w->sent = 1;	4611	w->sent = 1;
4266	evpipe_write (EV_A_ &async_pending);	4612	evpipe_write (EV_A_ &async_pending);
4267	}	4613	}
4268	#endif	4614	#endif
…		…
4305		4651
4306	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));
4307	}	4653	}
4308		4654
4309	void	4655	void
4310	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
4311	{	4657	{
4312	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));
4313		4659
4314	if (expect_false (!once))	4660	if (expect_false (!once))
4315	{	4661	{
…		…
4337		4683
4338	/*****************************************************************************/	4684	/*****************************************************************************/
4339		4685
4340	#if EV_WALK_ENABLE	4686	#if EV_WALK_ENABLE
4341	void ecb_cold	4687	void ecb_cold
4342	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
4343	{	4689	{
4344	int i, j;	4690	int i, j;
4345	ev_watcher_list *wl, *wn;	4691	ev_watcher_list *wl, *wn;
4346		4692
4347	if (types & (EV_IO | EV_EMBED))	4693	if (types & (EV_IO | EV_EMBED))

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