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Comparing libev/ev.c (file contents):
Revision 1.417 by root, Mon Apr 2 20:22:30 2012 UTC vs.
Revision 1.462 by root, Sun Jan 5 02:59:36 2014 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	*
…		…
201	# include <sys/wait.h>	201	# include <sys/wait.h>
202	# include <unistd.h>	202	# include <unistd.h>
203	#else	203	#else
204	# include <io.h>	204	# include <io.h>
205	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
206	# include <windows.h>	207	# include <windows.h>
207	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
208	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
209	# endif	210	# endif
210	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
240	#elif defined SIGARRAYSIZE	241	#elif defined SIGARRAYSIZE
241	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
242	#elif defined _sys_nsig	243	#elif defined _sys_nsig
243	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
244	#else	245	#else
245	# error "unable to find value for NSIG, please report"	246	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
246	/* to make it compile regardless, just remove the above line, */
247	/* but consider reporting it, too! :) */
248	# define EV_NSIG 65
249	#endif	247	#endif
250		248
251	#ifndef EV_USE_FLOOR	249	#ifndef EV_USE_FLOOR
252	# define EV_USE_FLOOR 0	250	# define EV_USE_FLOOR 0
253	#endif	251	#endif
254		252
255	#ifndef EV_USE_CLOCK_SYSCALL	253	#ifndef EV_USE_CLOCK_SYSCALL
256	# if __linux && __GLIBC__ >= 2	254	# if __linux && __GLIBC__ == 2 && __GLIBC_MINOR__ < 17
257	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	255	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
258	# else	256	# else
259	# define EV_USE_CLOCK_SYSCALL 0	257	# define EV_USE_CLOCK_SYSCALL 0
260	# endif	258	# endif
261	#endif	259	#endif
…		…
356		354
357	#ifndef EV_HEAP_CACHE_AT	355	#ifndef EV_HEAP_CACHE_AT
358	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
359	#endif	357	#endif
360		358
		359	#ifdef ANDROID
		360	/* supposedly, android doesn't typedef fd_mask */
		361	# undef EV_USE_SELECT
		362	# define EV_USE_SELECT 0
		363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		364	# undef EV_USE_CLOCK_SYSCALL
		365	# define EV_USE_CLOCK_SYSCALL 0
		366	#endif
		367
		368	/* aix's poll.h seems to cause lots of trouble */
		369	#ifdef _AIX
		370	/* AIX has a completely broken poll.h header */
		371	# undef EV_USE_POLL
		372	# define EV_USE_POLL 0
		373	#endif
		374
361	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	375	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
362	/* which makes programs even slower. might work on other unices, too. */	376	/* which makes programs even slower. might work on other unices, too. */
363	#if EV_USE_CLOCK_SYSCALL	377	#if EV_USE_CLOCK_SYSCALL
364	# include <syscall.h>	378	# include <sys/syscall.h>
365	# ifdef SYS_clock_gettime	379	# ifdef SYS_clock_gettime
366	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	380	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
367	# undef EV_USE_MONOTONIC	381	# undef EV_USE_MONOTONIC
368	# define EV_USE_MONOTONIC 1	382	# define EV_USE_MONOTONIC 1
369	# else	383	# else
…		…
372	# endif	386	# endif
373	#endif	387	#endif
374		388
375	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	389	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
376		390
377	#ifdef _AIX
378	/* AIX has a completely broken poll.h header */
379	# undef EV_USE_POLL
380	# define EV_USE_POLL 0
381	#endif
382
383	#ifndef CLOCK_MONOTONIC	391	#ifndef CLOCK_MONOTONIC
384	# undef EV_USE_MONOTONIC	392	# undef EV_USE_MONOTONIC
385	# define EV_USE_MONOTONIC 0	393	# define EV_USE_MONOTONIC 0
386	#endif	394	#endif
387		395
…		…
408	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	416	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
409	# ifndef IN_DONT_FOLLOW	417	# ifndef IN_DONT_FOLLOW
410	# undef EV_USE_INOTIFY	418	# undef EV_USE_INOTIFY
411	# define EV_USE_INOTIFY 0	419	# define EV_USE_INOTIFY 0
412	# endif	420	# endif
413	#endif
414
415	#if EV_SELECT_IS_WINSOCKET
416	# include <winsock.h>
417	#endif	421	#endif
418		422
419	#if EV_USE_EVENTFD	423	#if EV_USE_EVENTFD
420	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	424	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
421	# include <stdint.h>	425	# include <stdint.h>
…		…
478	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
479	/* ECB.H BEGIN */	483	/* ECB.H BEGIN */
480	/*	484	/*
481	* libecb - http://software.schmorp.de/pkg/libecb	485	* libecb - http://software.schmorp.de/pkg/libecb
482	*	486	*
483	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>	487	* Copyright (©) 2009-2013 Marc Alexander Lehmann <libecb@schmorp.de>
484	* Copyright (©) 2011 Emanuele Giaquinta	488	* Copyright (©) 2011 Emanuele Giaquinta
485	* All rights reserved.	489	* All rights reserved.
486	*	490	*
487	* Redistribution and use in source and binary forms, with or without modifica-	491	* Redistribution and use in source and binary forms, with or without modifica-
488	* tion, are permitted provided that the following conditions are met:	492	* tion, are permitted provided that the following conditions are met:
…		…
507	*/	511	*/
508		512
509	#ifndef ECB_H	513	#ifndef ECB_H
510	#define ECB_H	514	#define ECB_H
511		515
		516	/* 16 bits major, 16 bits minor */
		517	#define ECB_VERSION 0x00010003
		518
512	#ifdef _WIN32	519	#ifdef _WIN32
513	typedef signed char int8_t;	520	typedef signed char int8_t;
514	typedef unsigned char uint8_t;	521	typedef unsigned char uint8_t;
515	typedef signed short int16_t;	522	typedef signed short int16_t;
516	typedef unsigned short uint16_t;	523	typedef unsigned short uint16_t;
…		…
521	typedef unsigned long long uint64_t;	528	typedef unsigned long long uint64_t;
522	#else /* _MSC_VER || __BORLANDC__ */	529	#else /* _MSC_VER || __BORLANDC__ */
523	typedef signed __int64 int64_t;	530	typedef signed __int64 int64_t;
524	typedef unsigned __int64 uint64_t;	531	typedef unsigned __int64 uint64_t;
525	#endif	532	#endif
		533	#ifdef _WIN64
		534	#define ECB_PTRSIZE 8
		535	typedef uint64_t uintptr_t;
		536	typedef int64_t intptr_t;
		537	#else
		538	#define ECB_PTRSIZE 4
		539	typedef uint32_t uintptr_t;
		540	typedef int32_t intptr_t;
		541	#endif
526	#else	542	#else
527	#include <inttypes.h>	543	#include <inttypes.h>
		544	#if UINTMAX_MAX > 0xffffffffU
		545	#define ECB_PTRSIZE 8
		546	#else
		547	#define ECB_PTRSIZE 4
		548	#endif
		549	#endif
		550
		551	/* work around x32 idiocy by defining proper macros */
		552	#if __amd64 || __x86_64 || _M_AMD64 || _M_X64
		553	#if _ILP32
		554	#define ECB_AMD64_X32 1
		555	#else
		556	#define ECB_AMD64 1
		557	#endif
528	#endif	558	#endif
529		559
530	/* many compilers define _GNUC_ to some versions but then only implement	560	/* many compilers define _GNUC_ to some versions but then only implement
531	* what their idiot authors think are the "more important" extensions,	561	* what their idiot authors think are the "more important" extensions,
532	* causing enormous grief in return for some better fake benchmark numbers.	562	* causing enormous grief in return for some better fake benchmark numbers.
…		…
540	#else	570	#else
541	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	571	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
542	#endif	572	#endif
543	#endif	573	#endif
544		574
		575	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		576	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		577	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		578	#define ECB_CPP (__cplusplus+0)
		579	#define ECB_CPP11 (__cplusplus >= 201103L)
		580
		581	#if ECB_CPP
		582	#define ECB_EXTERN_C extern "C"
		583	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		584	#define ECB_EXTERN_C_END }
		585	#else
		586	#define ECB_EXTERN_C extern
		587	#define ECB_EXTERN_C_BEG
		588	#define ECB_EXTERN_C_END
		589	#endif
		590
545	/*****************************************************************************/	591	/*****************************************************************************/
546		592
547	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	593	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
548	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	594	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
549		595
550	#if ECB_NO_THREADS	596	#if ECB_NO_THREADS
551	# define ECB_NO_SMP 1	597	#define ECB_NO_SMP 1
552	#endif	598	#endif
553		599
554	#if ECB_NO_THREADS || ECB_NO_SMP	600	#if ECB_NO_SMP
555	#define ECB_MEMORY_FENCE do { } while (0)	601	#define ECB_MEMORY_FENCE do { } while (0)
556	#endif	602	#endif
557		603
558	#ifndef ECB_MEMORY_FENCE	604	#ifndef ECB_MEMORY_FENCE
559	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	605	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
560	#if __i386 || __i386__	606	#if __i386 || __i386__
561	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	607	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
562	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
563	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
564	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	610	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
565	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
566	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	612	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
567	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	613	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
568	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	614	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
569	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
570	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \	616	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
571	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__	617	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
572	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
573	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \	619	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
574	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__	620	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
575	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
576	#elif __sparc || __sparc__	622	#elif (__sparc || __sparc__) && !__sparcv8
577	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")	623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
578	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	624	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
579	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	625	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580	#elif defined __s390__ || defined __s390x__	626	#elif defined __s390__ || defined __s390x__
581	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	627	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
582	#elif defined __mips__	628	#elif defined __mips__
		629	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		630	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		631	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		632	#elif defined __alpha__
583	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	633	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		634	#elif defined __hppa__
		635	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		636	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		637	#elif defined __ia64__
		638	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		639	#elif defined __m68k__
		640	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		641	#elif defined __m88k__
		642	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		643	#elif defined __sh__
		644	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
584	#endif	645	#endif
585	#endif	646	#endif
586	#endif	647	#endif
587		648
588	#ifndef ECB_MEMORY_FENCE	649	#ifndef ECB_MEMORY_FENCE
		650	#if ECB_GCC_VERSION(4,7)
		651	/* see comment below (stdatomic.h) about the C11 memory model. */
		652	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		653
		654	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		655	* without risking compile time errors with other compilers. We *could*
		656	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		657	* around this shit time and again.
		658	* #elif defined __clang && __has_feature (cxx_atomic)
		659	* // see comment below (stdatomic.h) about the C11 memory model.
		660	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		661	*/
		662
589	#if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__	663	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
590	#define ECB_MEMORY_FENCE __sync_synchronize ()	664	#define ECB_MEMORY_FENCE __sync_synchronize ()
591	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */	665	#elif _MSC_VER >= 1500 /* VC++ 2008 */
592	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */	666	/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
		667	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		668	#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
		669	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
		670	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
593	#elif _MSC_VER >= 1400 /* VC++ 2005 */	671	#elif _MSC_VER >= 1400 /* VC++ 2005 */
594	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	672	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
595	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	673	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
596	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	674	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
597	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	675	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
…		…
607	#define ECB_MEMORY_FENCE __sync ()	685	#define ECB_MEMORY_FENCE __sync ()
608	#endif	686	#endif
609	#endif	687	#endif
610		688
611	#ifndef ECB_MEMORY_FENCE	689	#ifndef ECB_MEMORY_FENCE
		690	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		691	/* we assume that these memory fences work on all variables/all memory accesses, */
		692	/* not just C11 atomics and atomic accesses */
		693	#include <stdatomic.h>
		694	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		695	/* any fence other than seq_cst, which isn't very efficient for us. */
		696	/* Why that is, we don't know - either the C11 memory model is quite useless */
		697	/* for most usages, or gcc and clang have a bug */
		698	/* I *currently* lean towards the latter, and inefficiently implement */
		699	/* all three of ecb's fences as a seq_cst fence */
		700	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		701	#endif
		702	#endif
		703
		704	#ifndef ECB_MEMORY_FENCE
612	#if !ECB_AVOID_PTHREADS	705	#if !ECB_AVOID_PTHREADS
613	/*	706	/*
614	* if you get undefined symbol references to pthread_mutex_lock,	707	* if you get undefined symbol references to pthread_mutex_lock,
615	* or failure to find pthread.h, then you should implement	708	* or failure to find pthread.h, then you should implement
616	* the ECB_MEMORY_FENCE operations for your cpu/compiler	709	* the ECB_MEMORY_FENCE operations for your cpu/compiler
…		…
634	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	727	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
635	#endif	728	#endif
636		729
637	/*****************************************************************************/	730	/*****************************************************************************/
638		731
639	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
640
641	#if __cplusplus	732	#if __cplusplus
642	#define ecb_inline static inline	733	#define ecb_inline static inline
643	#elif ECB_GCC_VERSION(2,5)	734	#elif ECB_GCC_VERSION(2,5)
644	#define ecb_inline static __inline__	735	#define ecb_inline static __inline__
645	#elif ECB_C99	736	#elif ECB_C99
…		…
683	#elif ECB_GCC_VERSION(3,0)	774	#elif ECB_GCC_VERSION(3,0)
684	#define ecb_decltype(x) __typeof(x)	775	#define ecb_decltype(x) __typeof(x)
685	#endif	776	#endif
686		777
687	#define ecb_noinline ecb_attribute ((__noinline__))	778	#define ecb_noinline ecb_attribute ((__noinline__))
688	#define ecb_noreturn ecb_attribute ((__noreturn__))
689	#define ecb_unused ecb_attribute ((__unused__))	779	#define ecb_unused ecb_attribute ((__unused__))
690	#define ecb_const ecb_attribute ((__const__))	780	#define ecb_const ecb_attribute ((__const__))
691	#define ecb_pure ecb_attribute ((__pure__))	781	#define ecb_pure ecb_attribute ((__pure__))
		782
		783	#if ECB_C11
		784	#define ecb_noreturn _Noreturn
		785	#else
		786	#define ecb_noreturn ecb_attribute ((__noreturn__))
		787	#endif
692		788
693	#if ECB_GCC_VERSION(4,3)	789	#if ECB_GCC_VERSION(4,3)
694	#define ecb_artificial ecb_attribute ((__artificial__))	790	#define ecb_artificial ecb_attribute ((__artificial__))
695	#define ecb_hot ecb_attribute ((__hot__))	791	#define ecb_hot ecb_attribute ((__hot__))
696	#define ecb_cold ecb_attribute ((__cold__))	792	#define ecb_cold ecb_attribute ((__cold__))
…		…
787		883
788	return r + ecb_ld32 (x);	884	return r + ecb_ld32 (x);
789	}	885	}
790	#endif	886	#endif
791		887
		888	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		889	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		890	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		891	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		892
792	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	893	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
793	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	894	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
794	{	895	{
795	return ( (x * 0x0802U & 0x22110U)	896	return ( (x * 0x0802U & 0x22110U)
796	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	897	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
…		…
880	ecb_inline void ecb_unreachable (void) ecb_noreturn;	981	ecb_inline void ecb_unreachable (void) ecb_noreturn;
881	ecb_inline void ecb_unreachable (void) { }	982	ecb_inline void ecb_unreachable (void) { }
882	#endif	983	#endif
883		984
884	/* try to tell the compiler that some condition is definitely true */	985	/* try to tell the compiler that some condition is definitely true */
885	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	986	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
886		987
887	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;	988	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
888	ecb_inline unsigned char	989	ecb_inline unsigned char
889	ecb_byteorder_helper (void)	990	ecb_byteorder_helper (void)
890	{	991	{
891	const uint32_t u = 0x11223344;	992	/* the union code still generates code under pressure in gcc, */
892	return *(unsigned char *)&u;	993	/* but less than using pointers, and always seems to */
		994	/* successfully return a constant. */
		995	/* the reason why we have this horrible preprocessor mess */
		996	/* is to avoid it in all cases, at least on common architectures */
		997	/* or when using a recent enough gcc version (>= 4.6) */
		998	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		999	return 0x44;
		1000	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		1001	return 0x44;
		1002	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		1003	return 0x11;
		1004	#else
		1005	union
		1006	{
		1007	uint32_t i;
		1008	uint8_t c;
		1009	} u = { 0x11223344 };
		1010	return u.c;
		1011	#endif
893	}	1012	}
894		1013
895	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;	1014	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
896	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1015	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
897	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;	1016	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
…		…
928	}	1047	}
929	#else	1048	#else
930	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1049	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
931	#endif	1050	#endif
932		1051
		1052	/*******************************************************************************/
		1053	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1054
		1055	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1056	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1057	#if 0 \
		1058	|| __i386 || __i386__ \
		1059	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1060	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1061	|| defined __arm__ && defined __ARM_EABI__ \
		1062	|| defined __s390__ || defined __s390x__ \
		1063	|| defined __mips__ \
		1064	|| defined __alpha__ \
		1065	|| defined __hppa__ \
		1066	|| defined __ia64__ \
		1067	|| defined __m68k__ \
		1068	|| defined __m88k__ \
		1069	|| defined __sh__ \
		1070	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1071	#define ECB_STDFP 1
		1072	#include <string.h> /* for memcpy */
		1073	#else
		1074	#define ECB_STDFP 0
		1075	#endif
		1076
		1077	#ifndef ECB_NO_LIBM
		1078
		1079	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1080
		1081	/* only the oldest of old doesn't have this one. solaris. */
		1082	#ifdef INFINITY
		1083	#define ECB_INFINITY INFINITY
		1084	#else
		1085	#define ECB_INFINITY HUGE_VAL
		1086	#endif
		1087
		1088	#ifdef NAN
		1089	#define ECB_NAN NAN
		1090	#else
		1091	#define ECB_NAN ECB_INFINITY
		1092	#endif
		1093
		1094	/* converts an ieee half/binary16 to a float */
		1095	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
		1096	ecb_function_ float
		1097	ecb_binary16_to_float (uint16_t x)
		1098	{
		1099	int e = (x >> 10) & 0x1f;
		1100	int m = x & 0x3ff;
		1101	float r;
		1102
		1103	if (!e ) r = ldexpf (m , -24);
		1104	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
		1105	else if (m ) r = ECB_NAN;
		1106	else r = ECB_INFINITY;
		1107
		1108	return x & 0x8000 ? -r : r;
		1109	}
		1110
		1111	/* convert a float to ieee single/binary32 */
		1112	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1113	ecb_function_ uint32_t
		1114	ecb_float_to_binary32 (float x)
		1115	{
		1116	uint32_t r;
		1117
		1118	#if ECB_STDFP
		1119	memcpy (&r, &x, 4);
		1120	#else
		1121	/* slow emulation, works for anything but -0 */
		1122	uint32_t m;
		1123	int e;
		1124
		1125	if (x == 0e0f ) return 0x00000000U;
		1126	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1127	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1128	if (x != x ) return 0x7fbfffffU;
		1129
		1130	m = frexpf (x, &e) * 0x1000000U;
		1131
		1132	r = m & 0x80000000U;
		1133
		1134	if (r)
		1135	m = -m;
		1136
		1137	if (e <= -126)
		1138	{
		1139	m &= 0xffffffU;
		1140	m >>= (-125 - e);
		1141	e = -126;
		1142	}
		1143
		1144	r |= (e + 126) << 23;
		1145	r |= m & 0x7fffffU;
		1146	#endif
		1147
		1148	return r;
		1149	}
		1150
		1151	/* converts an ieee single/binary32 to a float */
		1152	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1153	ecb_function_ float
		1154	ecb_binary32_to_float (uint32_t x)
		1155	{
		1156	float r;
		1157
		1158	#if ECB_STDFP
		1159	memcpy (&r, &x, 4);
		1160	#else
		1161	/* emulation, only works for normals and subnormals and +0 */
		1162	int neg = x >> 31;
		1163	int e = (x >> 23) & 0xffU;
		1164
		1165	x &= 0x7fffffU;
		1166
		1167	if (e)
		1168	x |= 0x800000U;
		1169	else
		1170	e = 1;
		1171
		1172	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1173	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1174
		1175	r = neg ? -r : r;
		1176	#endif
		1177
		1178	return r;
		1179	}
		1180
		1181	/* convert a double to ieee double/binary64 */
		1182	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1183	ecb_function_ uint64_t
		1184	ecb_double_to_binary64 (double x)
		1185	{
		1186	uint64_t r;
		1187
		1188	#if ECB_STDFP
		1189	memcpy (&r, &x, 8);
		1190	#else
		1191	/* slow emulation, works for anything but -0 */
		1192	uint64_t m;
		1193	int e;
		1194
		1195	if (x == 0e0 ) return 0x0000000000000000U;
		1196	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1197	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1198	if (x != x ) return 0X7ff7ffffffffffffU;
		1199
		1200	m = frexp (x, &e) * 0x20000000000000U;
		1201
		1202	r = m & 0x8000000000000000;;
		1203
		1204	if (r)
		1205	m = -m;
		1206
		1207	if (e <= -1022)
		1208	{
		1209	m &= 0x1fffffffffffffU;
		1210	m >>= (-1021 - e);
		1211	e = -1022;
		1212	}
		1213
		1214	r |= ((uint64_t)(e + 1022)) << 52;
		1215	r |= m & 0xfffffffffffffU;
		1216	#endif
		1217
		1218	return r;
		1219	}
		1220
		1221	/* converts an ieee double/binary64 to a double */
		1222	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1223	ecb_function_ double
		1224	ecb_binary64_to_double (uint64_t x)
		1225	{
		1226	double r;
		1227
		1228	#if ECB_STDFP
		1229	memcpy (&r, &x, 8);
		1230	#else
		1231	/* emulation, only works for normals and subnormals and +0 */
		1232	int neg = x >> 63;
		1233	int e = (x >> 52) & 0x7ffU;
		1234
		1235	x &= 0xfffffffffffffU;
		1236
		1237	if (e)
		1238	x |= 0x10000000000000U;
		1239	else
		1240	e = 1;
		1241
		1242	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1243	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1244
		1245	r = neg ? -r : r;
		1246	#endif
		1247
		1248	return r;
		1249	}
		1250
		1251	#endif
		1252
933	#endif	1253	#endif
934		1254
935	/* ECB.H END */	1255	/* ECB.H END */
936		1256
937	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1257	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
…		…
1103	{	1423	{
1104	write (STDERR_FILENO, msg, strlen (msg));	1424	write (STDERR_FILENO, msg, strlen (msg));
1105	}	1425	}
1106	#endif	1426	#endif
1107		1427
1108	static void (*syserr_cb)(const char *msg);	1428	static void (*syserr_cb)(const char *msg) EV_THROW;
1109		1429
1110	void ecb_cold	1430	void ecb_cold
1111	ev_set_syserr_cb (void (*cb)(const char *msg))	1431	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1112	{	1432	{
1113	syserr_cb = cb;	1433	syserr_cb = cb;
1114	}	1434	}
1115		1435
1116	static void noinline ecb_cold	1436	static void noinline ecb_cold
…		…
1134	abort ();	1454	abort ();
1135	}	1455	}
1136	}	1456	}
1137		1457
1138	static void *	1458	static void *
1139	ev_realloc_emul (void *ptr, long size)	1459	ev_realloc_emul (void *ptr, long size) EV_THROW
1140	{	1460	{
1141	#if __GLIBC__
1142	return realloc (ptr, size);
1143	#else
1144	/* some systems, notably openbsd and darwin, fail to properly	1461	/* some systems, notably openbsd and darwin, fail to properly
1145	* implement realloc (x, 0) (as required by both ansi c-89 and	1462	* implement realloc (x, 0) (as required by both ansi c-89 and
1146	* the single unix specification, so work around them here.	1463	* the single unix specification, so work around them here.
		1464	* recently, also (at least) fedora and debian started breaking it,
		1465	* despite documenting it otherwise.
1147	*/	1466	*/
1148		1467
1149	if (size)	1468	if (size)
1150	return realloc (ptr, size);	1469	return realloc (ptr, size);
1151		1470
1152	free (ptr);	1471	free (ptr);
1153	return 0;	1472	return 0;
1154	#endif
1155	}	1473	}
1156		1474
1157	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1475	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1158		1476
1159	void ecb_cold	1477	void ecb_cold
1160	ev_set_allocator (void *(*cb)(void *ptr, long size))	1478	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1161	{	1479	{
1162	alloc = cb;	1480	alloc = cb;
1163	}	1481	}
1164		1482
1165	inline_speed void *	1483	inline_speed void *
…		…
1282		1600
1283	/*****************************************************************************/	1601	/*****************************************************************************/
1284		1602
1285	#ifndef EV_HAVE_EV_TIME	1603	#ifndef EV_HAVE_EV_TIME
1286	ev_tstamp	1604	ev_tstamp
1287	ev_time (void)	1605	ev_time (void) EV_THROW
1288	{	1606	{
1289	#if EV_USE_REALTIME	1607	#if EV_USE_REALTIME
1290	if (expect_true (have_realtime))	1608	if (expect_true (have_realtime))
1291	{	1609	{
1292	struct timespec ts;	1610	struct timespec ts;
…		…
1316	return ev_time ();	1634	return ev_time ();
1317	}	1635	}
1318		1636
1319	#if EV_MULTIPLICITY	1637	#if EV_MULTIPLICITY
1320	ev_tstamp	1638	ev_tstamp
1321	ev_now (EV_P)	1639	ev_now (EV_P) EV_THROW
1322	{	1640	{
1323	return ev_rt_now;	1641	return ev_rt_now;
1324	}	1642	}
1325	#endif	1643	#endif
1326		1644
1327	void	1645	void
1328	ev_sleep (ev_tstamp delay)	1646	ev_sleep (ev_tstamp delay) EV_THROW
1329	{	1647	{
1330	if (delay > 0.)	1648	if (delay > 0.)
1331	{	1649	{
1332	#if EV_USE_NANOSLEEP	1650	#if EV_USE_NANOSLEEP
1333	struct timespec ts;	1651	struct timespec ts;
…		…
1414	pendingcb (EV_P_ ev_prepare *w, int revents)	1732	pendingcb (EV_P_ ev_prepare *w, int revents)
1415	{	1733	{
1416	}	1734	}
1417		1735
1418	void noinline	1736	void noinline
1419	ev_feed_event (EV_P_ void *w, int revents)	1737	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1420	{	1738	{
1421	W w_ = (W)w;	1739	W w_ = (W)w;
1422	int pri = ABSPRI (w_);	1740	int pri = ABSPRI (w_);
1423		1741
1424	if (expect_false (w_->pending))	1742	if (expect_false (w_->pending))
…		…
1428	w_->pending = ++pendingcnt [pri];	1746	w_->pending = ++pendingcnt [pri];
1429	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1747	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1430	pendings [pri][w_->pending - 1].w = w_;	1748	pendings [pri][w_->pending - 1].w = w_;
1431	pendings [pri][w_->pending - 1].events = revents;	1749	pendings [pri][w_->pending - 1].events = revents;
1432	}	1750	}
		1751
		1752	pendingpri = NUMPRI - 1;
1433	}	1753	}
1434		1754
1435	inline_speed void	1755	inline_speed void
1436	feed_reverse (EV_P_ W w)	1756	feed_reverse (EV_P_ W w)
1437	{	1757	{
…		…
1483	if (expect_true (!anfd->reify))	1803	if (expect_true (!anfd->reify))
1484	fd_event_nocheck (EV_A_ fd, revents);	1804	fd_event_nocheck (EV_A_ fd, revents);
1485	}	1805	}
1486		1806
1487	void	1807	void
1488	ev_feed_fd_event (EV_P_ int fd, int revents)	1808	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1489	{	1809	{
1490	if (fd >= 0 && fd < anfdmax)	1810	if (fd >= 0 && fd < anfdmax)
1491	fd_event_nocheck (EV_A_ fd, revents);	1811	fd_event_nocheck (EV_A_ fd, revents);
1492	}	1812	}
1493		1813
…		…
1812	static void noinline ecb_cold	2132	static void noinline ecb_cold
1813	evpipe_init (EV_P)	2133	evpipe_init (EV_P)
1814	{	2134	{
1815	if (!ev_is_active (&pipe_w))	2135	if (!ev_is_active (&pipe_w))
1816	{	2136	{
		2137	int fds [2];
		2138
1817	# if EV_USE_EVENTFD	2139	# if EV_USE_EVENTFD
		2140	fds [0] = -1;
1818	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2141	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1819	if (evfd < 0 && errno == EINVAL)	2142	if (fds [1] < 0 && errno == EINVAL)
1820	evfd = eventfd (0, 0);	2143	fds [1] = eventfd (0, 0);
1821		2144
1822	if (evfd >= 0)	2145	if (fds [1] < 0)
		2146	# endif
1823	{	2147	{
		2148	while (pipe (fds))
		2149	ev_syserr ("(libev) error creating signal/async pipe");
		2150
		2151	fd_intern (fds [0]);
		2152	}
		2153
1824	evpipe [0] = -1;	2154	evpipe [0] = fds [0];
1825	fd_intern (evfd); /* doing it twice doesn't hurt */	2155
1826	ev_io_set (&pipe_w, evfd, EV_READ);	2156	if (evpipe [1] < 0)
		2157	evpipe [1] = fds [1]; /* first call, set write fd */
		2158	else
		2159	{
		2160	/* on subsequent calls, do not change evpipe [1] */
		2161	/* so that evpipe_write can always rely on its value. */
		2162	/* this branch does not do anything sensible on windows, */
		2163	/* so must not be executed on windows */
		2164
		2165	dup2 (fds [1], evpipe [1]);
		2166	close (fds [1]);
		2167	}
		2168
		2169	fd_intern (evpipe [1]);
		2170
		2171	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2172	ev_io_start (EV_A_ &pipe_w);
		2173	ev_unref (EV_A); /* watcher should not keep loop alive */
		2174	}
		2175	}
		2176
		2177	inline_speed void
		2178	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2179	{
		2180	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2181
		2182	if (expect_true (*flag))
		2183	return;
		2184
		2185	*flag = 1;
		2186	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2187
		2188	pipe_write_skipped = 1;
		2189
		2190	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2191
		2192	if (pipe_write_wanted)
		2193	{
		2194	int old_errno;
		2195
		2196	pipe_write_skipped = 0;
		2197	ECB_MEMORY_FENCE_RELEASE;
		2198
		2199	old_errno = errno; /* save errno because write will clobber it */
		2200
		2201	#if EV_USE_EVENTFD
		2202	if (evpipe [0] < 0)
		2203	{
		2204	uint64_t counter = 1;
		2205	write (evpipe [1], &counter, sizeof (uint64_t));
1827	}	2206	}
1828	else	2207	else
1829	# endif	2208	#endif
1830	{	2209	{
1831	while (pipe (evpipe))	2210	#ifdef _WIN32
1832	ev_syserr ("(libev) error creating signal/async pipe");	2211	WSABUF buf;
1833		2212	DWORD sent;
1834	fd_intern (evpipe [0]);	2213	buf.buf = &buf;
1835	fd_intern (evpipe [1]);	2214	buf.len = 1;
1836	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2215	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1837	}	2216	#else
1838
1839	ev_io_start (EV_A_ &pipe_w);
1840	ev_unref (EV_A); /* watcher should not keep loop alive */
1841	}
1842	}
1843
1844	inline_speed void
1845	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1846	{
1847	if (expect_true (*flag))
1848	return;
1849
1850	*flag = 1;
1851
1852	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1853
1854	pipe_write_skipped = 1;
1855
1856	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1857
1858	if (pipe_write_wanted)
1859	{
1860	int old_errno;
1861
1862	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1863
1864	old_errno = errno; /* save errno because write will clobber it */
1865
1866	#if EV_USE_EVENTFD
1867	if (evfd >= 0)
1868	{
1869	uint64_t counter = 1;
1870	write (evfd, &counter, sizeof (uint64_t));
1871	}
1872	else
1873	#endif
1874	{
1875	/* win32 people keep sending patches that change this write() to send() */
1876	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1877	/* so when you think this write should be a send instead, please find out */
1878	/* where your send() is from - it's definitely not the microsoft send, and */
1879	/* tell me. thank you. */
1880	/* it might be that your problem is that your environment needs EV_USE_WSASOCKET */
1881	/* check the ev documentation on how to use this flag */
1882	write (evpipe [1], &(evpipe [1]), 1);	2217	write (evpipe [1], &(evpipe [1]), 1);
		2218	#endif
1883	}	2219	}
1884		2220
1885	errno = old_errno;	2221	errno = old_errno;
1886	}	2222	}
1887	}	2223	}
…		…
1894	int i;	2230	int i;
1895		2231
1896	if (revents & EV_READ)	2232	if (revents & EV_READ)
1897	{	2233	{
1898	#if EV_USE_EVENTFD	2234	#if EV_USE_EVENTFD
1899	if (evfd >= 0)	2235	if (evpipe [0] < 0)
1900	{	2236	{
1901	uint64_t counter;	2237	uint64_t counter;
1902	read (evfd, &counter, sizeof (uint64_t));	2238	read (evpipe [1], &counter, sizeof (uint64_t));
1903	}	2239	}
1904	else	2240	else
1905	#endif	2241	#endif
1906	{	2242	{
1907	char dummy;	2243	char dummy[4];
1908	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2244	#ifdef _WIN32
		2245	WSABUF buf;
		2246	DWORD recvd;
		2247	DWORD flags = 0;
		2248	buf.buf = dummy;
		2249	buf.len = sizeof (dummy);
		2250	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2251	#else
1909	read (evpipe [0], &dummy, 1);	2252	read (evpipe [0], &dummy, sizeof (dummy));
		2253	#endif
1910	}	2254	}
1911	}	2255	}
1912		2256
1913	pipe_write_skipped = 0;	2257	pipe_write_skipped = 0;
		2258
		2259	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1914		2260
1915	#if EV_SIGNAL_ENABLE	2261	#if EV_SIGNAL_ENABLE
1916	if (sig_pending)	2262	if (sig_pending)
1917	{	2263	{
1918	sig_pending = 0;	2264	sig_pending = 0;
		2265
		2266	ECB_MEMORY_FENCE;
1919		2267
1920	for (i = EV_NSIG - 1; i--; )	2268	for (i = EV_NSIG - 1; i--; )
1921	if (expect_false (signals [i].pending))	2269	if (expect_false (signals [i].pending))
1922	ev_feed_signal_event (EV_A_ i + 1);	2270	ev_feed_signal_event (EV_A_ i + 1);
1923	}	2271	}
…		…
1925		2273
1926	#if EV_ASYNC_ENABLE	2274	#if EV_ASYNC_ENABLE
1927	if (async_pending)	2275	if (async_pending)
1928	{	2276	{
1929	async_pending = 0;	2277	async_pending = 0;
		2278
		2279	ECB_MEMORY_FENCE;
1930		2280
1931	for (i = asynccnt; i--; )	2281	for (i = asynccnt; i--; )
1932	if (asyncs [i]->sent)	2282	if (asyncs [i]->sent)
1933	{	2283	{
1934	asyncs [i]->sent = 0;	2284	asyncs [i]->sent = 0;
		2285	ECB_MEMORY_FENCE_RELEASE;
1935	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2286	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1936	}	2287	}
1937	}	2288	}
1938	#endif	2289	#endif
1939	}	2290	}
1940		2291
1941	/*****************************************************************************/	2292	/*****************************************************************************/
1942		2293
1943	void	2294	void
1944	ev_feed_signal (int signum)	2295	ev_feed_signal (int signum) EV_THROW
1945	{	2296	{
1946	#if EV_MULTIPLICITY	2297	#if EV_MULTIPLICITY
		2298	EV_P;
		2299	ECB_MEMORY_FENCE_ACQUIRE;
1947	EV_P = signals [signum - 1].loop;	2300	EV_A = signals [signum - 1].loop;
1948		2301
1949	if (!EV_A)	2302	if (!EV_A)
1950	return;	2303	return;
1951	#endif	2304	#endif
1952		2305
1953	if (!ev_active (&pipe_w))
1954	return;
1955
1956	signals [signum - 1].pending = 1;	2306	signals [signum - 1].pending = 1;
1957	evpipe_write (EV_A_ &sig_pending);	2307	evpipe_write (EV_A_ &sig_pending);
1958	}	2308	}
1959		2309
1960	static void	2310	static void
…		…
1966		2316
1967	ev_feed_signal (signum);	2317	ev_feed_signal (signum);
1968	}	2318	}
1969		2319
1970	void noinline	2320	void noinline
1971	ev_feed_signal_event (EV_P_ int signum)	2321	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1972	{	2322	{
1973	WL w;	2323	WL w;
1974		2324
1975	if (expect_false (signum <= 0 || signum > EV_NSIG))	2325	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1976	return;	2326	return;
1977		2327
1978	--signum;	2328	--signum;
1979		2329
1980	#if EV_MULTIPLICITY	2330	#if EV_MULTIPLICITY
…		…
1984	if (expect_false (signals [signum].loop != EV_A))	2334	if (expect_false (signals [signum].loop != EV_A))
1985	return;	2335	return;
1986	#endif	2336	#endif
1987		2337
1988	signals [signum].pending = 0;	2338	signals [signum].pending = 0;
		2339	ECB_MEMORY_FENCE_RELEASE;
1989		2340
1990	for (w = signals [signum].head; w; w = w->next)	2341	for (w = signals [signum].head; w; w = w->next)
1991	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2342	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1992	}	2343	}
1993		2344
…		…
2092	#if EV_USE_SELECT	2443	#if EV_USE_SELECT
2093	# include "ev_select.c"	2444	# include "ev_select.c"
2094	#endif	2445	#endif
2095		2446
2096	int ecb_cold	2447	int ecb_cold
2097	ev_version_major (void)	2448	ev_version_major (void) EV_THROW
2098	{	2449	{
2099	return EV_VERSION_MAJOR;	2450	return EV_VERSION_MAJOR;
2100	}	2451	}
2101		2452
2102	int ecb_cold	2453	int ecb_cold
2103	ev_version_minor (void)	2454	ev_version_minor (void) EV_THROW
2104	{	2455	{
2105	return EV_VERSION_MINOR;	2456	return EV_VERSION_MINOR;
2106	}	2457	}
2107		2458
2108	/* return true if we are running with elevated privileges and should ignore env variables */	2459	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2116	|| getgid () != getegid ();	2467	|| getgid () != getegid ();
2117	#endif	2468	#endif
2118	}	2469	}
2119		2470
2120	unsigned int ecb_cold	2471	unsigned int ecb_cold
2121	ev_supported_backends (void)	2472	ev_supported_backends (void) EV_THROW
2122	{	2473	{
2123	unsigned int flags = 0;	2474	unsigned int flags = 0;
2124		2475
2125	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2476	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2126	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2477	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2130		2481
2131	return flags;	2482	return flags;
2132	}	2483	}
2133		2484
2134	unsigned int ecb_cold	2485	unsigned int ecb_cold
2135	ev_recommended_backends (void)	2486	ev_recommended_backends (void) EV_THROW
2136	{	2487	{
2137	unsigned int flags = ev_supported_backends ();	2488	unsigned int flags = ev_supported_backends ();
2138		2489
2139	#ifndef __NetBSD__	2490	#ifndef __NetBSD__
2140	/* kqueue is borked on everything but netbsd apparently */	2491	/* kqueue is borked on everything but netbsd apparently */
…		…
2152		2503
2153	return flags;	2504	return flags;
2154	}	2505	}
2155		2506
2156	unsigned int ecb_cold	2507	unsigned int ecb_cold
2157	ev_embeddable_backends (void)	2508	ev_embeddable_backends (void) EV_THROW
2158	{	2509	{
2159	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2510	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2160		2511
2161	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2512	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2162	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2513	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2164		2515
2165	return flags;	2516	return flags;
2166	}	2517	}
2167		2518
2168	unsigned int	2519	unsigned int
2169	ev_backend (EV_P)	2520	ev_backend (EV_P) EV_THROW
2170	{	2521	{
2171	return backend;	2522	return backend;
2172	}	2523	}
2173		2524
2174	#if EV_FEATURE_API	2525	#if EV_FEATURE_API
2175	unsigned int	2526	unsigned int
2176	ev_iteration (EV_P)	2527	ev_iteration (EV_P) EV_THROW
2177	{	2528	{
2178	return loop_count;	2529	return loop_count;
2179	}	2530	}
2180		2531
2181	unsigned int	2532	unsigned int
2182	ev_depth (EV_P)	2533	ev_depth (EV_P) EV_THROW
2183	{	2534	{
2184	return loop_depth;	2535	return loop_depth;
2185	}	2536	}
2186		2537
2187	void	2538	void
2188	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2539	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2189	{	2540	{
2190	io_blocktime = interval;	2541	io_blocktime = interval;
2191	}	2542	}
2192		2543
2193	void	2544	void
2194	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2545	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2195	{	2546	{
2196	timeout_blocktime = interval;	2547	timeout_blocktime = interval;
2197	}	2548	}
2198		2549
2199	void	2550	void
2200	ev_set_userdata (EV_P_ void *data)	2551	ev_set_userdata (EV_P_ void *data) EV_THROW
2201	{	2552	{
2202	userdata = data;	2553	userdata = data;
2203	}	2554	}
2204		2555
2205	void *	2556	void *
2206	ev_userdata (EV_P)	2557	ev_userdata (EV_P) EV_THROW
2207	{	2558	{
2208	return userdata;	2559	return userdata;
2209	}	2560	}
2210		2561
2211	void	2562	void
2212	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2563	ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW
2213	{	2564	{
2214	invoke_cb = invoke_pending_cb;	2565	invoke_cb = invoke_pending_cb;
2215	}	2566	}
2216		2567
2217	void	2568	void
2218	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2569	ev_set_loop_release_cb (EV_P_ ev_loop_callback_nothrow release, ev_loop_callback_nothrow acquire) EV_THROW
2219	{	2570	{
2220	release_cb = release;	2571	release_cb = release;
2221	acquire_cb = acquire;	2572	acquire_cb = acquire;
2222	}	2573	}
2223	#endif	2574	#endif
2224		2575
2225	/* initialise a loop structure, must be zero-initialised */	2576	/* initialise a loop structure, must be zero-initialised */
2226	static void noinline ecb_cold	2577	static void noinline ecb_cold
2227	loop_init (EV_P_ unsigned int flags)	2578	loop_init (EV_P_ unsigned int flags) EV_THROW
2228	{	2579	{
2229	if (!backend)	2580	if (!backend)
2230	{	2581	{
2231	origflags = flags;	2582	origflags = flags;
2232		2583
…		…
2277	#if EV_ASYNC_ENABLE	2628	#if EV_ASYNC_ENABLE
2278	async_pending = 0;	2629	async_pending = 0;
2279	#endif	2630	#endif
2280	pipe_write_skipped = 0;	2631	pipe_write_skipped = 0;
2281	pipe_write_wanted = 0;	2632	pipe_write_wanted = 0;
		2633	evpipe [0] = -1;
		2634	evpipe [1] = -1;
2282	#if EV_USE_INOTIFY	2635	#if EV_USE_INOTIFY
2283	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2636	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2284	#endif	2637	#endif
2285	#if EV_USE_SIGNALFD	2638	#if EV_USE_SIGNALFD
2286	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2639	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2337	EV_INVOKE_PENDING;	2690	EV_INVOKE_PENDING;
2338	}	2691	}
2339	#endif	2692	#endif
2340		2693
2341	#if EV_CHILD_ENABLE	2694	#if EV_CHILD_ENABLE
2342	if (ev_is_active (&childev))	2695	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2343	{	2696	{
2344	ev_ref (EV_A); /* child watcher */	2697	ev_ref (EV_A); /* child watcher */
2345	ev_signal_stop (EV_A_ &childev);	2698	ev_signal_stop (EV_A_ &childev);
2346	}	2699	}
2347	#endif	2700	#endif
…		…
2349	if (ev_is_active (&pipe_w))	2702	if (ev_is_active (&pipe_w))
2350	{	2703	{
2351	/*ev_ref (EV_A);*/	2704	/*ev_ref (EV_A);*/
2352	/*ev_io_stop (EV_A_ &pipe_w);*/	2705	/*ev_io_stop (EV_A_ &pipe_w);*/
2353		2706
2354	#if EV_USE_EVENTFD
2355	if (evfd >= 0)
2356	close (evfd);
2357	#endif
2358
2359	if (evpipe [0] >= 0)
2360	{
2361	EV_WIN32_CLOSE_FD (evpipe [0]);	2707	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2362	EV_WIN32_CLOSE_FD (evpipe [1]);	2708	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2363	}
2364	}	2709	}
2365		2710
2366	#if EV_USE_SIGNALFD	2711	#if EV_USE_SIGNALFD
2367	if (ev_is_active (&sigfd_w))	2712	if (ev_is_active (&sigfd_w))
2368	close (sigfd);	2713	close (sigfd);
…		…
2454	#endif	2799	#endif
2455	#if EV_USE_INOTIFY	2800	#if EV_USE_INOTIFY
2456	infy_fork (EV_A);	2801	infy_fork (EV_A);
2457	#endif	2802	#endif
2458		2803
		2804	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2459	if (ev_is_active (&pipe_w))	2805	if (ev_is_active (&pipe_w))
2460	{	2806	{
2461	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2807	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2462		2808
2463	ev_ref (EV_A);	2809	ev_ref (EV_A);
2464	ev_io_stop (EV_A_ &pipe_w);	2810	ev_io_stop (EV_A_ &pipe_w);
2465		2811
2466	#if EV_USE_EVENTFD
2467	if (evfd >= 0)
2468	close (evfd);
2469	#endif
2470
2471	if (evpipe [0] >= 0)	2812	if (evpipe [0] >= 0)
2472	{
2473	EV_WIN32_CLOSE_FD (evpipe [0]);	2813	EV_WIN32_CLOSE_FD (evpipe [0]);
2474	EV_WIN32_CLOSE_FD (evpipe [1]);
2475	}
2476		2814
2477	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2478	evpipe_init (EV_A);	2815	evpipe_init (EV_A);
2479	/* now iterate over everything, in case we missed something */	2816	/* iterate over everything, in case we missed something before */
2480	pipecb (EV_A_ &pipe_w, EV_READ);	2817	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2481	#endif
2482	}	2818	}
		2819	#endif
2483		2820
2484	postfork = 0;	2821	postfork = 0;
2485	}	2822	}
2486		2823
2487	#if EV_MULTIPLICITY	2824	#if EV_MULTIPLICITY
2488		2825
2489	struct ev_loop * ecb_cold	2826	struct ev_loop * ecb_cold
2490	ev_loop_new (unsigned int flags)	2827	ev_loop_new (unsigned int flags) EV_THROW
2491	{	2828	{
2492	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2829	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2493		2830
2494	memset (EV_A, 0, sizeof (struct ev_loop));	2831	memset (EV_A, 0, sizeof (struct ev_loop));
2495	loop_init (EV_A_ flags);	2832	loop_init (EV_A_ flags);
…		…
2539	}	2876	}
2540	#endif	2877	#endif
2541		2878
2542	#if EV_FEATURE_API	2879	#if EV_FEATURE_API
2543	void ecb_cold	2880	void ecb_cold
2544	ev_verify (EV_P)	2881	ev_verify (EV_P) EV_THROW
2545	{	2882	{
2546	#if EV_VERIFY	2883	#if EV_VERIFY
2547	int i;	2884	int i;
2548	WL w;	2885	WL w, w2;
2549		2886
2550	assert (activecnt >= -1);	2887	assert (activecnt >= -1);
2551		2888
2552	assert (fdchangemax >= fdchangecnt);	2889	assert (fdchangemax >= fdchangecnt);
2553	for (i = 0; i < fdchangecnt; ++i)	2890	for (i = 0; i < fdchangecnt; ++i)
2554	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2891	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2555		2892
2556	assert (anfdmax >= 0);	2893	assert (anfdmax >= 0);
2557	for (i = 0; i < anfdmax; ++i)	2894	for (i = 0; i < anfdmax; ++i)
		2895	{
		2896	int j = 0;
		2897
2558	for (w = anfds [i].head; w; w = w->next)	2898	for (w = w2 = anfds [i].head; w; w = w->next)
2559	{	2899	{
2560	verify_watcher (EV_A_ (W)w);	2900	verify_watcher (EV_A_ (W)w);
		2901
		2902	if (j++ & 1)
		2903	{
		2904	assert (("libev: io watcher list contains a loop", w != w2));
		2905	w2 = w2->next;
		2906	}
		2907
2561	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2908	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2562	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2909	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2563	}	2910	}
		2911	}
2564		2912
2565	assert (timermax >= timercnt);	2913	assert (timermax >= timercnt);
2566	verify_heap (EV_A_ timers, timercnt);	2914	verify_heap (EV_A_ timers, timercnt);
2567		2915
2568	#if EV_PERIODIC_ENABLE	2916	#if EV_PERIODIC_ENABLE
…		…
2618	#if EV_MULTIPLICITY	2966	#if EV_MULTIPLICITY
2619	struct ev_loop * ecb_cold	2967	struct ev_loop * ecb_cold
2620	#else	2968	#else
2621	int	2969	int
2622	#endif	2970	#endif
2623	ev_default_loop (unsigned int flags)	2971	ev_default_loop (unsigned int flags) EV_THROW
2624	{	2972	{
2625	if (!ev_default_loop_ptr)	2973	if (!ev_default_loop_ptr)
2626	{	2974	{
2627	#if EV_MULTIPLICITY	2975	#if EV_MULTIPLICITY
2628	EV_P = ev_default_loop_ptr = &default_loop_struct;	2976	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2647		2995
2648	return ev_default_loop_ptr;	2996	return ev_default_loop_ptr;
2649	}	2997	}
2650		2998
2651	void	2999	void
2652	ev_loop_fork (EV_P)	3000	ev_loop_fork (EV_P) EV_THROW
2653	{	3001	{
2654	postfork = 1; /* must be in line with ev_default_fork */	3002	postfork = 1;
2655	}	3003	}
2656		3004
2657	/*****************************************************************************/	3005	/*****************************************************************************/
2658		3006
2659	void	3007	void
…		…
2661	{	3009	{
2662	EV_CB_INVOKE ((W)w, revents);	3010	EV_CB_INVOKE ((W)w, revents);
2663	}	3011	}
2664		3012
2665	unsigned int	3013	unsigned int
2666	ev_pending_count (EV_P)	3014	ev_pending_count (EV_P) EV_THROW
2667	{	3015	{
2668	int pri;	3016	int pri;
2669	unsigned int count = 0;	3017	unsigned int count = 0;
2670		3018
2671	for (pri = NUMPRI; pri--; )	3019	for (pri = NUMPRI; pri--; )
…		…
2675	}	3023	}
2676		3024
2677	void noinline	3025	void noinline
2678	ev_invoke_pending (EV_P)	3026	ev_invoke_pending (EV_P)
2679	{	3027	{
2680	int pri;	3028	pendingpri = NUMPRI;
2681		3029
2682	for (pri = NUMPRI; pri--; )	3030	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3031	{
		3032	--pendingpri;
		3033
2683	while (pendingcnt [pri])	3034	while (pendingcnt [pendingpri])
2684	{	3035	{
2685	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3036	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2686		3037
2687	p->w->pending = 0;	3038	p->w->pending = 0;
2688	EV_CB_INVOKE (p->w, p->events);	3039	EV_CB_INVOKE (p->w, p->events);
2689	EV_FREQUENT_CHECK;	3040	EV_FREQUENT_CHECK;
2690	}	3041	}
		3042	}
2691	}	3043	}
2692		3044
2693	#if EV_IDLE_ENABLE	3045	#if EV_IDLE_ENABLE
2694	/* make idle watchers pending. this handles the "call-idle */	3046	/* make idle watchers pending. this handles the "call-idle */
2695	/* only when higher priorities are idle" logic */	3047	/* only when higher priorities are idle" logic */
…		…
2785	{	3137	{
2786	EV_FREQUENT_CHECK;	3138	EV_FREQUENT_CHECK;
2787		3139
2788	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3140	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2789	{	3141	{
2790	int feed_count = 0;
2791
2792	do	3142	do
2793	{	3143	{
2794	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3144	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2795		3145
2796	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3146	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2930		3280
2931	mn_now = ev_rt_now;	3281	mn_now = ev_rt_now;
2932	}	3282	}
2933	}	3283	}
2934		3284
2935	void	3285	int
2936	ev_run (EV_P_ int flags)	3286	ev_run (EV_P_ int flags)
2937	{	3287	{
2938	#if EV_FEATURE_API	3288	#if EV_FEATURE_API
2939	++loop_depth;	3289	++loop_depth;
2940	#endif	3290	#endif
…		…
3055	backend_poll (EV_A_ waittime);	3405	backend_poll (EV_A_ waittime);
3056	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3406	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3057		3407
3058	pipe_write_wanted = 0; /* just an optimisation, no fence needed */	3408	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3059		3409
		3410	ECB_MEMORY_FENCE_ACQUIRE;
3060	if (pipe_write_skipped)	3411	if (pipe_write_skipped)
3061	{	3412	{
3062	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3413	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3063	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3414	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3064	}	3415	}
…		…
3097	loop_done = EVBREAK_CANCEL;	3448	loop_done = EVBREAK_CANCEL;
3098		3449
3099	#if EV_FEATURE_API	3450	#if EV_FEATURE_API
3100	--loop_depth;	3451	--loop_depth;
3101	#endif	3452	#endif
		3453
		3454	return activecnt;
3102	}	3455	}
3103		3456
3104	void	3457	void
3105	ev_break (EV_P_ int how)	3458	ev_break (EV_P_ int how) EV_THROW
3106	{	3459	{
3107	loop_done = how;	3460	loop_done = how;
3108	}	3461	}
3109		3462
3110	void	3463	void
3111	ev_ref (EV_P)	3464	ev_ref (EV_P) EV_THROW
3112	{	3465	{
3113	++activecnt;	3466	++activecnt;
3114	}	3467	}
3115		3468
3116	void	3469	void
3117	ev_unref (EV_P)	3470	ev_unref (EV_P) EV_THROW
3118	{	3471	{
3119	--activecnt;	3472	--activecnt;
3120	}	3473	}
3121		3474
3122	void	3475	void
3123	ev_now_update (EV_P)	3476	ev_now_update (EV_P) EV_THROW
3124	{	3477	{
3125	time_update (EV_A_ 1e100);	3478	time_update (EV_A_ 1e100);
3126	}	3479	}
3127		3480
3128	void	3481	void
3129	ev_suspend (EV_P)	3482	ev_suspend (EV_P) EV_THROW
3130	{	3483	{
3131	ev_now_update (EV_A);	3484	ev_now_update (EV_A);
3132	}	3485	}
3133		3486
3134	void	3487	void
3135	ev_resume (EV_P)	3488	ev_resume (EV_P) EV_THROW
3136	{	3489	{
3137	ev_tstamp mn_prev = mn_now;	3490	ev_tstamp mn_prev = mn_now;
3138		3491
3139	ev_now_update (EV_A);	3492	ev_now_update (EV_A);
3140	timers_reschedule (EV_A_ mn_now - mn_prev);	3493	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3179	w->pending = 0;	3532	w->pending = 0;
3180	}	3533	}
3181	}	3534	}
3182		3535
3183	int	3536	int
3184	ev_clear_pending (EV_P_ void *w)	3537	ev_clear_pending (EV_P_ void *w) EV_THROW
3185	{	3538	{
3186	W w_ = (W)w;	3539	W w_ = (W)w;
3187	int pending = w_->pending;	3540	int pending = w_->pending;
3188		3541
3189	if (expect_true (pending))	3542	if (expect_true (pending))
…		…
3222	}	3575	}
3223		3576
3224	/*****************************************************************************/	3577	/*****************************************************************************/
3225		3578
3226	void noinline	3579	void noinline
3227	ev_io_start (EV_P_ ev_io *w)	3580	ev_io_start (EV_P_ ev_io *w) EV_THROW
3228	{	3581	{
3229	int fd = w->fd;	3582	int fd = w->fd;
3230		3583
3231	if (expect_false (ev_is_active (w)))	3584	if (expect_false (ev_is_active (w)))
3232	return;	3585	return;
…		…
3238		3591
3239	ev_start (EV_A_ (W)w, 1);	3592	ev_start (EV_A_ (W)w, 1);
3240	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3593	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3241	wlist_add (&anfds[fd].head, (WL)w);	3594	wlist_add (&anfds[fd].head, (WL)w);
3242		3595
		3596	/* common bug, apparently */
		3597	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3598
3243	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3599	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3244	w->events &= ~EV__IOFDSET;	3600	w->events &= ~EV__IOFDSET;
3245		3601
3246	EV_FREQUENT_CHECK;	3602	EV_FREQUENT_CHECK;
3247	}	3603	}
3248		3604
3249	void noinline	3605	void noinline
3250	ev_io_stop (EV_P_ ev_io *w)	3606	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3251	{	3607	{
3252	clear_pending (EV_A_ (W)w);	3608	clear_pending (EV_A_ (W)w);
3253	if (expect_false (!ev_is_active (w)))	3609	if (expect_false (!ev_is_active (w)))
3254	return;	3610	return;
3255		3611
…		…
3264		3620
3265	EV_FREQUENT_CHECK;	3621	EV_FREQUENT_CHECK;
3266	}	3622	}
3267		3623
3268	void noinline	3624	void noinline
3269	ev_timer_start (EV_P_ ev_timer *w)	3625	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3270	{	3626	{
3271	if (expect_false (ev_is_active (w)))	3627	if (expect_false (ev_is_active (w)))
3272	return;	3628	return;
3273		3629
3274	ev_at (w) += mn_now;	3630	ev_at (w) += mn_now;
…		…
3288		3644
3289	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3645	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3290	}	3646	}
3291		3647
3292	void noinline	3648	void noinline
3293	ev_timer_stop (EV_P_ ev_timer *w)	3649	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3294	{	3650	{
3295	clear_pending (EV_A_ (W)w);	3651	clear_pending (EV_A_ (W)w);
3296	if (expect_false (!ev_is_active (w)))	3652	if (expect_false (!ev_is_active (w)))
3297	return;	3653	return;
3298		3654
…		…
3318		3674
3319	EV_FREQUENT_CHECK;	3675	EV_FREQUENT_CHECK;
3320	}	3676	}
3321		3677
3322	void noinline	3678	void noinline
3323	ev_timer_again (EV_P_ ev_timer *w)	3679	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3324	{	3680	{
3325	EV_FREQUENT_CHECK;	3681	EV_FREQUENT_CHECK;
3326		3682
3327	clear_pending (EV_A_ (W)w);	3683	clear_pending (EV_A_ (W)w);
3328		3684
…		…
3345		3701
3346	EV_FREQUENT_CHECK;	3702	EV_FREQUENT_CHECK;
3347	}	3703	}
3348		3704
3349	ev_tstamp	3705	ev_tstamp
3350	ev_timer_remaining (EV_P_ ev_timer *w)	3706	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3351	{	3707	{
3352	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3708	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3353	}	3709	}
3354		3710
3355	#if EV_PERIODIC_ENABLE	3711	#if EV_PERIODIC_ENABLE
3356	void noinline	3712	void noinline
3357	ev_periodic_start (EV_P_ ev_periodic *w)	3713	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3358	{	3714	{
3359	if (expect_false (ev_is_active (w)))	3715	if (expect_false (ev_is_active (w)))
3360	return;	3716	return;
3361		3717
3362	if (w->reschedule_cb)	3718	if (w->reschedule_cb)
…		…
3382		3738
3383	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3739	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3384	}	3740	}
3385		3741
3386	void noinline	3742	void noinline
3387	ev_periodic_stop (EV_P_ ev_periodic *w)	3743	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3388	{	3744	{
3389	clear_pending (EV_A_ (W)w);	3745	clear_pending (EV_A_ (W)w);
3390	if (expect_false (!ev_is_active (w)))	3746	if (expect_false (!ev_is_active (w)))
3391	return;	3747	return;
3392		3748
…		…
3410		3766
3411	EV_FREQUENT_CHECK;	3767	EV_FREQUENT_CHECK;
3412	}	3768	}
3413		3769
3414	void noinline	3770	void noinline
3415	ev_periodic_again (EV_P_ ev_periodic *w)	3771	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3416	{	3772	{
3417	/* TODO: use adjustheap and recalculation */	3773	/* TODO: use adjustheap and recalculation */
3418	ev_periodic_stop (EV_A_ w);	3774	ev_periodic_stop (EV_A_ w);
3419	ev_periodic_start (EV_A_ w);	3775	ev_periodic_start (EV_A_ w);
3420	}	3776	}
…		…
3425	#endif	3781	#endif
3426		3782
3427	#if EV_SIGNAL_ENABLE	3783	#if EV_SIGNAL_ENABLE
3428		3784
3429	void noinline	3785	void noinline
3430	ev_signal_start (EV_P_ ev_signal *w)	3786	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3431	{	3787	{
3432	if (expect_false (ev_is_active (w)))	3788	if (expect_false (ev_is_active (w)))
3433	return;	3789	return;
3434		3790
3435	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3791	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3437	#if EV_MULTIPLICITY	3793	#if EV_MULTIPLICITY
3438	assert (("libev: a signal must not be attached to two different loops",	3794	assert (("libev: a signal must not be attached to two different loops",
3439	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3795	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3440		3796
3441	signals [w->signum - 1].loop = EV_A;	3797	signals [w->signum - 1].loop = EV_A;
		3798	ECB_MEMORY_FENCE_RELEASE;
3442	#endif	3799	#endif
3443		3800
3444	EV_FREQUENT_CHECK;	3801	EV_FREQUENT_CHECK;
3445		3802
3446	#if EV_USE_SIGNALFD	3803	#if EV_USE_SIGNALFD
…		…
3506		3863
3507	EV_FREQUENT_CHECK;	3864	EV_FREQUENT_CHECK;
3508	}	3865	}
3509		3866
3510	void noinline	3867	void noinline
3511	ev_signal_stop (EV_P_ ev_signal *w)	3868	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3512	{	3869	{
3513	clear_pending (EV_A_ (W)w);	3870	clear_pending (EV_A_ (W)w);
3514	if (expect_false (!ev_is_active (w)))	3871	if (expect_false (!ev_is_active (w)))
3515	return;	3872	return;
3516		3873
…		…
3547	#endif	3904	#endif
3548		3905
3549	#if EV_CHILD_ENABLE	3906	#if EV_CHILD_ENABLE
3550		3907
3551	void	3908	void
3552	ev_child_start (EV_P_ ev_child *w)	3909	ev_child_start (EV_P_ ev_child *w) EV_THROW
3553	{	3910	{
3554	#if EV_MULTIPLICITY	3911	#if EV_MULTIPLICITY
3555	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3912	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3556	#endif	3913	#endif
3557	if (expect_false (ev_is_active (w)))	3914	if (expect_false (ev_is_active (w)))
…		…
3564		3921
3565	EV_FREQUENT_CHECK;	3922	EV_FREQUENT_CHECK;
3566	}	3923	}
3567		3924
3568	void	3925	void
3569	ev_child_stop (EV_P_ ev_child *w)	3926	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3570	{	3927	{
3571	clear_pending (EV_A_ (W)w);	3928	clear_pending (EV_A_ (W)w);
3572	if (expect_false (!ev_is_active (w)))	3929	if (expect_false (!ev_is_active (w)))
3573	return;	3930	return;
3574		3931
…		…
3601	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3958	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3602		3959
3603	static void noinline	3960	static void noinline
3604	infy_add (EV_P_ ev_stat *w)	3961	infy_add (EV_P_ ev_stat *w)
3605	{	3962	{
3606	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);	3963	w->wd = inotify_add_watch (fs_fd, w->path,
		3964	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3965	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3966	| IN_DONT_FOLLOW | IN_MASK_ADD);
3607		3967
3608	if (w->wd >= 0)	3968	if (w->wd >= 0)
3609	{	3969	{
3610	struct statfs sfs;	3970	struct statfs sfs;
3611		3971
…		…
3615		3975
3616	if (!fs_2625)	3976	if (!fs_2625)
3617	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3977	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3618	else if (!statfs (w->path, &sfs)	3978	else if (!statfs (w->path, &sfs)
3619	&& (sfs.f_type == 0x1373 /* devfs */	3979	&& (sfs.f_type == 0x1373 /* devfs */
		3980	|| sfs.f_type == 0x4006 /* fat */
		3981	|| sfs.f_type == 0x4d44 /* msdos */
3620	|| sfs.f_type == 0xEF53 /* ext2/3 */	3982	|| sfs.f_type == 0xEF53 /* ext2/3 */
		3983	|| sfs.f_type == 0x72b6 /* jffs2 */
		3984	|| sfs.f_type == 0x858458f6 /* ramfs */
		3985	|| sfs.f_type == 0x5346544e /* ntfs */
3621	|| sfs.f_type == 0x3153464a /* jfs */	3986	|| sfs.f_type == 0x3153464a /* jfs */
		3987	|| sfs.f_type == 0x9123683e /* btrfs */
3622	|| sfs.f_type == 0x52654973 /* reiser3 */	3988	|| sfs.f_type == 0x52654973 /* reiser3 */
3623	|| sfs.f_type == 0x01021994 /* tempfs */	3989	|| sfs.f_type == 0x01021994 /* tmpfs */
3624	|| sfs.f_type == 0x58465342 /* xfs */))	3990	|| sfs.f_type == 0x58465342 /* xfs */))
3625	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3991	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3626	else	3992	else
3627	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	3993	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3628	}	3994	}
…		…
3826	#else	4192	#else
3827	# define EV_LSTAT(p,b) lstat (p, b)	4193	# define EV_LSTAT(p,b) lstat (p, b)
3828	#endif	4194	#endif
3829		4195
3830	void	4196	void
3831	ev_stat_stat (EV_P_ ev_stat *w)	4197	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3832	{	4198	{
3833	if (lstat (w->path, &w->attr) < 0)	4199	if (lstat (w->path, &w->attr) < 0)
3834	w->attr.st_nlink = 0;	4200	w->attr.st_nlink = 0;
3835	else if (!w->attr.st_nlink)	4201	else if (!w->attr.st_nlink)
3836	w->attr.st_nlink = 1;	4202	w->attr.st_nlink = 1;
…		…
3875	ev_feed_event (EV_A_ w, EV_STAT);	4241	ev_feed_event (EV_A_ w, EV_STAT);
3876	}	4242	}
3877	}	4243	}
3878		4244
3879	void	4245	void
3880	ev_stat_start (EV_P_ ev_stat *w)	4246	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3881	{	4247	{
3882	if (expect_false (ev_is_active (w)))	4248	if (expect_false (ev_is_active (w)))
3883	return;	4249	return;
3884		4250
3885	ev_stat_stat (EV_A_ w);	4251	ev_stat_stat (EV_A_ w);
…		…
3906		4272
3907	EV_FREQUENT_CHECK;	4273	EV_FREQUENT_CHECK;
3908	}	4274	}
3909		4275
3910	void	4276	void
3911	ev_stat_stop (EV_P_ ev_stat *w)	4277	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3912	{	4278	{
3913	clear_pending (EV_A_ (W)w);	4279	clear_pending (EV_A_ (W)w);
3914	if (expect_false (!ev_is_active (w)))	4280	if (expect_false (!ev_is_active (w)))
3915	return;	4281	return;
3916		4282
…		…
3932	}	4298	}
3933	#endif	4299	#endif
3934		4300
3935	#if EV_IDLE_ENABLE	4301	#if EV_IDLE_ENABLE
3936	void	4302	void
3937	ev_idle_start (EV_P_ ev_idle *w)	4303	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3938	{	4304	{
3939	if (expect_false (ev_is_active (w)))	4305	if (expect_false (ev_is_active (w)))
3940	return;	4306	return;
3941		4307
3942	pri_adjust (EV_A_ (W)w);	4308	pri_adjust (EV_A_ (W)w);
…		…
3955		4321
3956	EV_FREQUENT_CHECK;	4322	EV_FREQUENT_CHECK;
3957	}	4323	}
3958		4324
3959	void	4325	void
3960	ev_idle_stop (EV_P_ ev_idle *w)	4326	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3961	{	4327	{
3962	clear_pending (EV_A_ (W)w);	4328	clear_pending (EV_A_ (W)w);
3963	if (expect_false (!ev_is_active (w)))	4329	if (expect_false (!ev_is_active (w)))
3964	return;	4330	return;
3965		4331
…		…
3979	}	4345	}
3980	#endif	4346	#endif
3981		4347
3982	#if EV_PREPARE_ENABLE	4348	#if EV_PREPARE_ENABLE
3983	void	4349	void
3984	ev_prepare_start (EV_P_ ev_prepare *w)	4350	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3985	{	4351	{
3986	if (expect_false (ev_is_active (w)))	4352	if (expect_false (ev_is_active (w)))
3987	return;	4353	return;
3988		4354
3989	EV_FREQUENT_CHECK;	4355	EV_FREQUENT_CHECK;
…		…
3994		4360
3995	EV_FREQUENT_CHECK;	4361	EV_FREQUENT_CHECK;
3996	}	4362	}
3997		4363
3998	void	4364	void
3999	ev_prepare_stop (EV_P_ ev_prepare *w)	4365	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
4000	{	4366	{
4001	clear_pending (EV_A_ (W)w);	4367	clear_pending (EV_A_ (W)w);
4002	if (expect_false (!ev_is_active (w)))	4368	if (expect_false (!ev_is_active (w)))
4003	return;	4369	return;
4004		4370
…		…
4017	}	4383	}
4018	#endif	4384	#endif
4019		4385
4020	#if EV_CHECK_ENABLE	4386	#if EV_CHECK_ENABLE
4021	void	4387	void
4022	ev_check_start (EV_P_ ev_check *w)	4388	ev_check_start (EV_P_ ev_check *w) EV_THROW
4023	{	4389	{
4024	if (expect_false (ev_is_active (w)))	4390	if (expect_false (ev_is_active (w)))
4025	return;	4391	return;
4026		4392
4027	EV_FREQUENT_CHECK;	4393	EV_FREQUENT_CHECK;
…		…
4032		4398
4033	EV_FREQUENT_CHECK;	4399	EV_FREQUENT_CHECK;
4034	}	4400	}
4035		4401
4036	void	4402	void
4037	ev_check_stop (EV_P_ ev_check *w)	4403	ev_check_stop (EV_P_ ev_check *w) EV_THROW
4038	{	4404	{
4039	clear_pending (EV_A_ (W)w);	4405	clear_pending (EV_A_ (W)w);
4040	if (expect_false (!ev_is_active (w)))	4406	if (expect_false (!ev_is_active (w)))
4041	return;	4407	return;
4042		4408
…		…
4055	}	4421	}
4056	#endif	4422	#endif
4057		4423
4058	#if EV_EMBED_ENABLE	4424	#if EV_EMBED_ENABLE
4059	void noinline	4425	void noinline
4060	ev_embed_sweep (EV_P_ ev_embed *w)	4426	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4061	{	4427	{
4062	ev_run (w->other, EVRUN_NOWAIT);	4428	ev_run (w->other, EVRUN_NOWAIT);
4063	}	4429	}
4064		4430
4065	static void	4431	static void
…		…
4113	ev_idle_stop (EV_A_ idle);	4479	ev_idle_stop (EV_A_ idle);
4114	}	4480	}
4115	#endif	4481	#endif
4116		4482
4117	void	4483	void
4118	ev_embed_start (EV_P_ ev_embed *w)	4484	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4119	{	4485	{
4120	if (expect_false (ev_is_active (w)))	4486	if (expect_false (ev_is_active (w)))
4121	return;	4487	return;
4122		4488
4123	{	4489	{
…		…
4144		4510
4145	EV_FREQUENT_CHECK;	4511	EV_FREQUENT_CHECK;
4146	}	4512	}
4147		4513
4148	void	4514	void
4149	ev_embed_stop (EV_P_ ev_embed *w)	4515	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4150	{	4516	{
4151	clear_pending (EV_A_ (W)w);	4517	clear_pending (EV_A_ (W)w);
4152	if (expect_false (!ev_is_active (w)))	4518	if (expect_false (!ev_is_active (w)))
4153	return;	4519	return;
4154		4520
…		…
4164	}	4530	}
4165	#endif	4531	#endif
4166		4532
4167	#if EV_FORK_ENABLE	4533	#if EV_FORK_ENABLE
4168	void	4534	void
4169	ev_fork_start (EV_P_ ev_fork *w)	4535	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4170	{	4536	{
4171	if (expect_false (ev_is_active (w)))	4537	if (expect_false (ev_is_active (w)))
4172	return;	4538	return;
4173		4539
4174	EV_FREQUENT_CHECK;	4540	EV_FREQUENT_CHECK;
…		…
4179		4545
4180	EV_FREQUENT_CHECK;	4546	EV_FREQUENT_CHECK;
4181	}	4547	}
4182		4548
4183	void	4549	void
4184	ev_fork_stop (EV_P_ ev_fork *w)	4550	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4185	{	4551	{
4186	clear_pending (EV_A_ (W)w);	4552	clear_pending (EV_A_ (W)w);
4187	if (expect_false (!ev_is_active (w)))	4553	if (expect_false (!ev_is_active (w)))
4188	return;	4554	return;
4189		4555
…		…
4202	}	4568	}
4203	#endif	4569	#endif
4204		4570
4205	#if EV_CLEANUP_ENABLE	4571	#if EV_CLEANUP_ENABLE
4206	void	4572	void
4207	ev_cleanup_start (EV_P_ ev_cleanup *w)	4573	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4208	{	4574	{
4209	if (expect_false (ev_is_active (w)))	4575	if (expect_false (ev_is_active (w)))
4210	return;	4576	return;
4211		4577
4212	EV_FREQUENT_CHECK;	4578	EV_FREQUENT_CHECK;
…		…
4219	ev_unref (EV_A);	4585	ev_unref (EV_A);
4220	EV_FREQUENT_CHECK;	4586	EV_FREQUENT_CHECK;
4221	}	4587	}
4222		4588
4223	void	4589	void
4224	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4590	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4225	{	4591	{
4226	clear_pending (EV_A_ (W)w);	4592	clear_pending (EV_A_ (W)w);
4227	if (expect_false (!ev_is_active (w)))	4593	if (expect_false (!ev_is_active (w)))
4228	return;	4594	return;
4229		4595
…		…
4243	}	4609	}
4244	#endif	4610	#endif
4245		4611
4246	#if EV_ASYNC_ENABLE	4612	#if EV_ASYNC_ENABLE
4247	void	4613	void
4248	ev_async_start (EV_P_ ev_async *w)	4614	ev_async_start (EV_P_ ev_async *w) EV_THROW
4249	{	4615	{
4250	if (expect_false (ev_is_active (w)))	4616	if (expect_false (ev_is_active (w)))
4251	return;	4617	return;
4252		4618
4253	w->sent = 0;	4619	w->sent = 0;
…		…
4262		4628
4263	EV_FREQUENT_CHECK;	4629	EV_FREQUENT_CHECK;
4264	}	4630	}
4265		4631
4266	void	4632	void
4267	ev_async_stop (EV_P_ ev_async *w)	4633	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4268	{	4634	{
4269	clear_pending (EV_A_ (W)w);	4635	clear_pending (EV_A_ (W)w);
4270	if (expect_false (!ev_is_active (w)))	4636	if (expect_false (!ev_is_active (w)))
4271	return;	4637	return;
4272		4638
…		…
4283		4649
4284	EV_FREQUENT_CHECK;	4650	EV_FREQUENT_CHECK;
4285	}	4651	}
4286		4652
4287	void	4653	void
4288	ev_async_send (EV_P_ ev_async *w)	4654	ev_async_send (EV_P_ ev_async *w) EV_THROW
4289	{	4655	{
4290	w->sent = 1;	4656	w->sent = 1;
4291	evpipe_write (EV_A_ &async_pending);	4657	evpipe_write (EV_A_ &async_pending);
4292	}	4658	}
4293	#endif	4659	#endif
…		…
4330		4696
4331	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4697	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4332	}	4698	}
4333		4699
4334	void	4700	void
4335	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4701	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4336	{	4702	{
4337	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4703	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4338		4704
4339	if (expect_false (!once))	4705	if (expect_false (!once))
4340	{	4706	{
…		…
4362		4728
4363	/*****************************************************************************/	4729	/*****************************************************************************/
4364		4730
4365	#if EV_WALK_ENABLE	4731	#if EV_WALK_ENABLE
4366	void ecb_cold	4732	void ecb_cold
4367	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4733	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4368	{	4734	{
4369	int i, j;	4735	int i, j;
4370	ev_watcher_list *wl, *wn;	4736	ev_watcher_list *wl, *wn;
4371		4737
4372	if (types & (EV_IO | EV_EMBED))	4738	if (types & (EV_IO | EV_EMBED))

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