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Comparing libev/ev.c (file contents):
Revision 1.392 by root, Thu Aug 4 14:37:49 2011 UTC vs.
Revision 1.449 by root, Sun Sep 23 21:21:58 2012 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	EV_CPP(extern "C" {)	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
189		198
190	#ifndef _WIN32	199	#ifndef _WIN32
191	# include <sys/time.h>	200	# include <sys/time.h>
192	# include <sys/wait.h>	201	# include <sys/wait.h>
193	# include <unistd.h>	202	# include <unistd.h>
194	#else	203	#else
195	# include <io.h>	204	# include <io.h>
196	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
197	# include <windows.h>	207	# include <windows.h>
198	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
199	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
200	# endif	210	# endif
201	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
210	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
211		221
212	/* 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 */
213		223
214	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
215	#if defined (EV_NSIG)	225	#if defined EV_NSIG
216	/* use what's provided */	226	/* use what's provided */
217	#elif defined (NSIG)	227	#elif defined NSIG
218	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
219	#elif defined(_NSIG)	229	#elif defined _NSIG
220	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
221	#elif defined (SIGMAX)	231	#elif defined SIGMAX
222	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
223	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
224	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
225	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
226	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
227	#elif defined (MAXSIG)	237	#elif defined MAXSIG
228	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
229	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
230	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
231	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
232	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
234	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235	#else	245	#else
236	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
237	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	261	# endif
252	#endif	262	#endif
253		263
254	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	267	# else
258	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
259	# endif	269	# endif
260	#endif	270	#endif
…		…
350	#endif	360	#endif
351		361
352	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	362	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
353	/* which makes programs even slower. might work on other unices, too. */	363	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	364	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	365	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	366	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	367	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	368	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	369	# define EV_USE_MONOTONIC 1
360	# else	370	# else
…		…
386	# define EV_USE_INOTIFY 0	396	# define EV_USE_INOTIFY 0
387	#endif	397	#endif
388		398
389	#if !EV_USE_NANOSLEEP	399	#if !EV_USE_NANOSLEEP
390	/* hp-ux has it in sys/time.h, which we unconditionally include above */	400	/* hp-ux has it in sys/time.h, which we unconditionally include above */
391	# if !defined(_WIN32) && !defined(__hpux)	401	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	402	# include <sys/select.h>
393	# endif	403	# endif
394	#endif	404	#endif
395		405
396	#if EV_USE_INOTIFY	406	#if EV_USE_INOTIFY
…		…
399	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	409	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400	# ifndef IN_DONT_FOLLOW	410	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	411	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	412	# define EV_USE_INOTIFY 0
403	# endif	413	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	414	#endif
409		415
410	#if EV_USE_EVENTFD	416	#if EV_USE_EVENTFD
411	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	417	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412	# include <stdint.h>	418	# include <stdint.h>
…		…
469	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	475	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ECB.H BEGIN */	476	/* ECB.H BEGIN */
471	/*	477	/*
472	* libecb - http://software.schmorp.de/pkg/libecb	478	* libecb - http://software.schmorp.de/pkg/libecb
473	*	479	*
474	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>	480	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
475	* Copyright (©) 2011 Emanuele Giaquinta	481	* Copyright (©) 2011 Emanuele Giaquinta
476	* All rights reserved.	482	* All rights reserved.
477	*	483	*
478	* Redistribution and use in source and binary forms, with or without modifica-	484	* Redistribution and use in source and binary forms, with or without modifica-
479	* tion, are permitted provided that the following conditions are met:	485	* tion, are permitted provided that the following conditions are met:
…		…
498	*/	504	*/
499		505
500	#ifndef ECB_H	506	#ifndef ECB_H
501	#define ECB_H	507	#define ECB_H
502		508
		509	/* 16 bits major, 16 bits minor */
		510	#define ECB_VERSION 0x00010001
		511
503	#ifdef _WIN32	512	#ifdef _WIN32
504	typedef signed char int8_t;	513	typedef signed char int8_t;
505	typedef unsigned char uint8_t;	514	typedef unsigned char uint8_t;
506	typedef signed short int16_t;	515	typedef signed short int16_t;
507	typedef unsigned short uint16_t;	516	typedef unsigned short uint16_t;
…		…
512	typedef unsigned long long uint64_t;	521	typedef unsigned long long uint64_t;
513	#else /* _MSC_VER || __BORLANDC__ */	522	#else /* _MSC_VER || __BORLANDC__ */
514	typedef signed __int64 int64_t;	523	typedef signed __int64 int64_t;
515	typedef unsigned __int64 uint64_t;	524	typedef unsigned __int64 uint64_t;
516	#endif	525	#endif
		526	#ifdef _WIN64
		527	#define ECB_PTRSIZE 8
		528	typedef uint64_t uintptr_t;
		529	typedef int64_t intptr_t;
		530	#else
		531	#define ECB_PTRSIZE 4
		532	typedef uint32_t uintptr_t;
		533	typedef int32_t intptr_t;
		534	#endif
		535	typedef intptr_t ptrdiff_t;
517	#else	536	#else
518	#include <inttypes.h>	537	#include <inttypes.h>
		538	#if UINTMAX_MAX > 0xffffffffU
		539	#define ECB_PTRSIZE 8
		540	#else
		541	#define ECB_PTRSIZE 4
		542	#endif
519	#endif	543	#endif
520		544
521	/* many compilers define _GNUC_ to some versions but then only implement	545	/* many compilers define _GNUC_ to some versions but then only implement
522	* what their idiot authors think are the "more important" extensions,	546	* what their idiot authors think are the "more important" extensions,
523	* causing enormous grief in return for some better fake benchmark numbers.	547	* causing enormous grief in return for some better fake benchmark numbers.
524	* or so.	548	* or so.
525	* we try to detect these and simply assume they are not gcc - if they have	549	* we try to detect these and simply assume they are not gcc - if they have
526	* an issue with that they should have done it right in the first place.	550	* an issue with that they should have done it right in the first place.
527	*/	551	*/
528	#ifndef ECB_GCC_VERSION	552	#ifndef ECB_GCC_VERSION
529	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	553	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
530	#define ECB_GCC_VERSION(major,minor) 0	554	#define ECB_GCC_VERSION(major,minor) 0
531	#else	555	#else
532	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	556	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533	#endif	557	#endif
534	#endif	558	#endif
535		559
		560	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		561	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		562	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		563	#define ECB_CPP (__cplusplus+0)
		564	#define ECB_CPP11 (__cplusplus >= 201103L)
		565
536	/*****************************************************************************/	566	/*****************************************************************************/
537		567
538	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	568	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
539	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	569	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540		570
541	#if ECB_NO_THREADS || ECB_NO_SMP	571	#if ECB_NO_THREADS
		572	#define ECB_NO_SMP 1
		573	#endif
		574
		575	#if ECB_NO_SMP
542	#define ECB_MEMORY_FENCE do { } while (0)	576	#define ECB_MEMORY_FENCE do { } while (0)
543	#define ECB_MEMORY_FENCE_ACQUIRE do { } while (0)
544	#define ECB_MEMORY_FENCE_RELEASE do { } while (0)
545	#endif	577	#endif
546		578
547	#ifndef ECB_MEMORY_FENCE	579	#ifndef ECB_MEMORY_FENCE
548	#if ECB_GCC_VERSION(2,5)	580	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
549	#if __x86	581	#if __i386 || __i386__
550	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	582	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
551	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	583	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
552	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	584	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
553	#elif __amd64	585	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
554	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	586	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
555	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	587	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
556	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	588	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
557	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	589	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
558	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	590	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
559	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	591	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
560	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__) \	592	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		593	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
561	|| defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	594	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
562	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	595	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
563	#define ECB_MEMORY_FENCE \	596	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
564	do { \	597	#elif __sparc || __sparc__
565	int null = 0; \	598	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
566	__asm__ __volatile__ ("mcr p15,0,%0,c6,c10,5", : "=&r" (null) : : "memory"); \	599	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
567	while (0)	600	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		601	#elif defined __s390__ || defined __s390x__
		602	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		603	#elif defined __mips__
		604	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		605	#elif defined __alpha__
		606	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		607	#elif defined __hppa__
		608	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		610	#elif defined __ia64__
		611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
568	#endif	612	#endif
569	#endif	613	#endif
570	#endif	614	#endif
571		615
572	#ifndef ECB_MEMORY_FENCE	616	#ifndef ECB_MEMORY_FENCE
		617	#if ECB_GCC_VERSION(4,7)
		618	/* see comment below (stdatomic.h) about the C11 memory model. */
		619	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		620	#elif defined __clang && __has_feature (cxx_atomic)
		621	/* see comment below (stdatomic.h) about the C11 memory model. */
		622	#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
573	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)	623	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
574	#define ECB_MEMORY_FENCE __sync_synchronize ()	624	#define ECB_MEMORY_FENCE __sync_synchronize ()
575	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
576	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
577	#elif _MSC_VER >= 1400 /* VC++ 2005 */	625	#elif _MSC_VER >= 1400 /* VC++ 2005 */
578	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	626	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
579	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	627	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
580	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	628	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
581	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	629	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
582	#elif defined(_WIN32)	630	#elif defined _WIN32
583	#include <WinNT.h>	631	#include <WinNT.h>
584	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	632	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		633	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		634	#include <mbarrier.h>
		635	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		636	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		637	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		638	#elif __xlC__
		639	#define ECB_MEMORY_FENCE __sync ()
		640	#endif
		641	#endif
		642
		643	#ifndef ECB_MEMORY_FENCE
		644	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		645	/* we assume that these memory fences work on all variables/all memory accesses, */
		646	/* not just C11 atomics and atomic accesses */
		647	#include <stdatomic.h>
		648	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		649	/* any fence other than seq_cst, which isn't very efficient for us. */
		650	/* Why that is, we don't know - either the C11 memory model is quite useless */
		651	/* for most usages, or gcc and clang have a bug */
		652	/* I *currently* lean towards the latter, and inefficiently implement */
		653	/* all three of ecb's fences as a seq_cst fence */
		654	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
585	#endif	655	#endif
586	#endif	656	#endif
587		657
588	#ifndef ECB_MEMORY_FENCE	658	#ifndef ECB_MEMORY_FENCE
589	#if !ECB_AVOID_PTHREADS	659	#if !ECB_AVOID_PTHREADS
…		…
601	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	671	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
602	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	672	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
603	#endif	673	#endif
604	#endif	674	#endif
605		675
606	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	676	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
607	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	677	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
608	#endif	678	#endif
609		679
610	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	680	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
611	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	681	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
612	#endif	682	#endif
613		683
614	/*****************************************************************************/	684	/*****************************************************************************/
615
616	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
617		685
618	#if __cplusplus	686	#if __cplusplus
619	#define ecb_inline static inline	687	#define ecb_inline static inline
620	#elif ECB_GCC_VERSION(2,5)	688	#elif ECB_GCC_VERSION(2,5)
621	#define ecb_inline static __inline__	689	#define ecb_inline static __inline__
…		…
660	#elif ECB_GCC_VERSION(3,0)	728	#elif ECB_GCC_VERSION(3,0)
661	#define ecb_decltype(x) __typeof(x)	729	#define ecb_decltype(x) __typeof(x)
662	#endif	730	#endif
663		731
664	#define ecb_noinline ecb_attribute ((__noinline__))	732	#define ecb_noinline ecb_attribute ((__noinline__))
665	#define ecb_noreturn ecb_attribute ((__noreturn__))
666	#define ecb_unused ecb_attribute ((__unused__))	733	#define ecb_unused ecb_attribute ((__unused__))
667	#define ecb_const ecb_attribute ((__const__))	734	#define ecb_const ecb_attribute ((__const__))
668	#define ecb_pure ecb_attribute ((__pure__))	735	#define ecb_pure ecb_attribute ((__pure__))
		736
		737	#if ECB_C11
		738	#define ecb_noreturn _Noreturn
		739	#else
		740	#define ecb_noreturn ecb_attribute ((__noreturn__))
		741	#endif
669		742
670	#if ECB_GCC_VERSION(4,3)	743	#if ECB_GCC_VERSION(4,3)
671	#define ecb_artificial ecb_attribute ((__artificial__))	744	#define ecb_artificial ecb_attribute ((__artificial__))
672	#define ecb_hot ecb_attribute ((__hot__))	745	#define ecb_hot ecb_attribute ((__hot__))
673	#define ecb_cold ecb_attribute ((__cold__))	746	#define ecb_cold ecb_attribute ((__cold__))
…		…
764		837
765	return r + ecb_ld32 (x);	838	return r + ecb_ld32 (x);
766	}	839	}
767	#endif	840	#endif
768		841
		842	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		843	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		844	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		845	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		846
		847	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		848	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		849	{
		850	return ( (x * 0x0802U & 0x22110U)
		851	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		852	}
		853
		854	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		855	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		856	{
		857	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		858	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		859	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		860	x = ( x >> 8 ) | ( x << 8);
		861
		862	return x;
		863	}
		864
		865	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		866	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		867	{
		868	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		869	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		870	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		871	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		872	x = ( x >> 16 ) | ( x << 16);
		873
		874	return x;
		875	}
		876
769	/* popcount64 is only available on 64 bit cpus as gcc builtin */	877	/* popcount64 is only available on 64 bit cpus as gcc builtin */
770	/* so for this version we are lazy */	878	/* so for this version we are lazy */
771	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	879	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
772	ecb_function_ int	880	ecb_function_ int
773	ecb_popcount64 (uint64_t x)	881	ecb_popcount64 (uint64_t x)
…		…
822		930
823	#if ECB_GCC_VERSION(4,5)	931	#if ECB_GCC_VERSION(4,5)
824	#define ecb_unreachable() __builtin_unreachable ()	932	#define ecb_unreachable() __builtin_unreachable ()
825	#else	933	#else
826	/* this seems to work fine, but gcc always emits a warning for it :/ */	934	/* this seems to work fine, but gcc always emits a warning for it :/ */
827	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	935	ecb_inline void ecb_unreachable (void) ecb_noreturn;
828	ecb_function_ void ecb_unreachable (void) { }	936	ecb_inline void ecb_unreachable (void) { }
829	#endif	937	#endif
830		938
831	/* try to tell the compiler that some condition is definitely true */	939	/* try to tell the compiler that some condition is definitely true */
832	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	940	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
833		941
834	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	942	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
835	ecb_function_ unsigned char	943	ecb_inline unsigned char
836	ecb_byteorder_helper (void)	944	ecb_byteorder_helper (void)
837	{	945	{
838	const uint32_t u = 0x11223344;	946	const uint32_t u = 0x11223344;
839	return *(unsigned char *)&u;	947	return *(unsigned char *)&u;
840	}	948	}
841		949
842	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	950	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
843	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	951	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
844	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	952	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
845	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	953	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
846		954
847	#if ECB_GCC_VERSION(3,0) || ECB_C99	955	#if ECB_GCC_VERSION(3,0) || ECB_C99
848	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	956	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
849	#else	957	#else
850	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	958	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		959	#endif
		960
		961	#if __cplusplus
		962	template<typename T>
		963	static inline T ecb_div_rd (T val, T div)
		964	{
		965	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		966	}
		967	template<typename T>
		968	static inline T ecb_div_ru (T val, T div)
		969	{
		970	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		971	}
		972	#else
		973	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		974	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
851	#endif	975	#endif
852		976
853	#if ecb_cplusplus_does_not_suck	977	#if ecb_cplusplus_does_not_suck
854	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */	978	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
855	template<typename T, int N>	979	template<typename T, int N>
…		…
864	#endif	988	#endif
865		989
866	/* ECB.H END */	990	/* ECB.H END */
867		991
868	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	992	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		993	/* if your architecture doesn't need memory fences, e.g. because it is
		994	* single-cpu/core, or if you use libev in a project that doesn't use libev
		995	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		996	* libev, in which cases the memory fences become nops.
		997	* alternatively, you can remove this #error and link against libpthread,
		998	* which will then provide the memory fences.
		999	*/
		1000	# error "memory fences not defined for your architecture, please report"
		1001	#endif
		1002
869	# undef ECB_MEMORY_FENCE	1003	#ifndef ECB_MEMORY_FENCE
870	# undef ECB_MEMORY_FENCE_ACQUIRE	1004	# define ECB_MEMORY_FENCE do { } while (0)
871	# undef ECB_MEMORY_FENCE_RELEASE	1005	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1006	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
872	#endif	1007	#endif
873		1008
874	#define expect_false(cond) ecb_expect_false (cond)	1009	#define expect_false(cond) ecb_expect_false (cond)
875	#define expect_true(cond) ecb_expect_true (cond)	1010	#define expect_true(cond) ecb_expect_true (cond)
876	#define noinline ecb_noinline	1011	#define noinline ecb_noinline
…		…
1023	{	1158	{
1024	write (STDERR_FILENO, msg, strlen (msg));	1159	write (STDERR_FILENO, msg, strlen (msg));
1025	}	1160	}
1026	#endif	1161	#endif
1027		1162
1028	static void (*syserr_cb)(const char *msg);	1163	static void (*syserr_cb)(const char *msg) EV_THROW;
1029		1164
1030	void ecb_cold	1165	void ecb_cold
1031	ev_set_syserr_cb (void (*cb)(const char *msg))	1166	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1032	{	1167	{
1033	syserr_cb = cb;	1168	syserr_cb = cb;
1034	}	1169	}
1035		1170
1036	static void noinline ecb_cold	1171	static void noinline ecb_cold
…		…
1054	abort ();	1189	abort ();
1055	}	1190	}
1056	}	1191	}
1057		1192
1058	static void *	1193	static void *
1059	ev_realloc_emul (void *ptr, long size)	1194	ev_realloc_emul (void *ptr, long size) EV_THROW
1060	{	1195	{
1061	#if __GLIBC__
1062	return realloc (ptr, size);
1063	#else
1064	/* some systems, notably openbsd and darwin, fail to properly	1196	/* some systems, notably openbsd and darwin, fail to properly
1065	* implement realloc (x, 0) (as required by both ansi c-89 and	1197	* implement realloc (x, 0) (as required by both ansi c-89 and
1066	* the single unix specification, so work around them here.	1198	* the single unix specification, so work around them here.
		1199	* recently, also (at least) fedora and debian started breaking it,
		1200	* despite documenting it otherwise.
1067	*/	1201	*/
1068		1202
1069	if (size)	1203	if (size)
1070	return realloc (ptr, size);	1204	return realloc (ptr, size);
1071		1205
1072	free (ptr);	1206	free (ptr);
1073	return 0;	1207	return 0;
1074	#endif
1075	}	1208	}
1076		1209
1077	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1210	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1078		1211
1079	void ecb_cold	1212	void ecb_cold
1080	ev_set_allocator (void *(*cb)(void *ptr, long size))	1213	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1081	{	1214	{
1082	alloc = cb;	1215	alloc = cb;
1083	}	1216	}
1084		1217
1085	inline_speed void *	1218	inline_speed void *
…		…
1173	#undef VAR	1306	#undef VAR
1174	};	1307	};
1175	#include "ev_wrap.h"	1308	#include "ev_wrap.h"
1176		1309
1177	static struct ev_loop default_loop_struct;	1310	static struct ev_loop default_loop_struct;
1178	struct ev_loop *ev_default_loop_ptr;	1311	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1179		1312
1180	#else	1313	#else
1181		1314
1182	ev_tstamp ev_rt_now;	1315	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1183	#define VAR(name,decl) static decl;	1316	#define VAR(name,decl) static decl;
1184	#include "ev_vars.h"	1317	#include "ev_vars.h"
1185	#undef VAR	1318	#undef VAR
1186		1319
1187	static int ev_default_loop_ptr;	1320	static int ev_default_loop_ptr;
…		…
1202		1335
1203	/*****************************************************************************/	1336	/*****************************************************************************/
1204		1337
1205	#ifndef EV_HAVE_EV_TIME	1338	#ifndef EV_HAVE_EV_TIME
1206	ev_tstamp	1339	ev_tstamp
1207	ev_time (void)	1340	ev_time (void) EV_THROW
1208	{	1341	{
1209	#if EV_USE_REALTIME	1342	#if EV_USE_REALTIME
1210	if (expect_true (have_realtime))	1343	if (expect_true (have_realtime))
1211	{	1344	{
1212	struct timespec ts;	1345	struct timespec ts;
…		…
1236	return ev_time ();	1369	return ev_time ();
1237	}	1370	}
1238		1371
1239	#if EV_MULTIPLICITY	1372	#if EV_MULTIPLICITY
1240	ev_tstamp	1373	ev_tstamp
1241	ev_now (EV_P)	1374	ev_now (EV_P) EV_THROW
1242	{	1375	{
1243	return ev_rt_now;	1376	return ev_rt_now;
1244	}	1377	}
1245	#endif	1378	#endif
1246		1379
1247	void	1380	void
1248	ev_sleep (ev_tstamp delay)	1381	ev_sleep (ev_tstamp delay) EV_THROW
1249	{	1382	{
1250	if (delay > 0.)	1383	if (delay > 0.)
1251	{	1384	{
1252	#if EV_USE_NANOSLEEP	1385	#if EV_USE_NANOSLEEP
1253	struct timespec ts;	1386	struct timespec ts;
1254		1387
1255	EV_TS_SET (ts, delay);	1388	EV_TS_SET (ts, delay);
1256	nanosleep (&ts, 0);	1389	nanosleep (&ts, 0);
1257	#elif defined(_WIN32)	1390	#elif defined _WIN32
1258	Sleep ((unsigned long)(delay * 1e3));	1391	Sleep ((unsigned long)(delay * 1e3));
1259	#else	1392	#else
1260	struct timeval tv;	1393	struct timeval tv;
1261		1394
1262	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1395	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1281		1414
1282	do	1415	do
1283	ncur <<= 1;	1416	ncur <<= 1;
1284	while (cnt > ncur);	1417	while (cnt > ncur);
1285		1418
1286	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1419	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1287	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1420	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1288	{	1421	{
1289	ncur *= elem;	1422	ncur *= elem;
1290	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1423	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1291	ncur = ncur - sizeof (void *) * 4;	1424	ncur = ncur - sizeof (void *) * 4;
…		…
1334	pendingcb (EV_P_ ev_prepare *w, int revents)	1467	pendingcb (EV_P_ ev_prepare *w, int revents)
1335	{	1468	{
1336	}	1469	}
1337		1470
1338	void noinline	1471	void noinline
1339	ev_feed_event (EV_P_ void *w, int revents)	1472	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1340	{	1473	{
1341	W w_ = (W)w;	1474	W w_ = (W)w;
1342	int pri = ABSPRI (w_);	1475	int pri = ABSPRI (w_);
1343		1476
1344	if (expect_false (w_->pending))	1477	if (expect_false (w_->pending))
…		…
1348	w_->pending = ++pendingcnt [pri];	1481	w_->pending = ++pendingcnt [pri];
1349	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1482	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1350	pendings [pri][w_->pending - 1].w = w_;	1483	pendings [pri][w_->pending - 1].w = w_;
1351	pendings [pri][w_->pending - 1].events = revents;	1484	pendings [pri][w_->pending - 1].events = revents;
1352	}	1485	}
		1486
		1487	pendingpri = NUMPRI - 1;
1353	}	1488	}
1354		1489
1355	inline_speed void	1490	inline_speed void
1356	feed_reverse (EV_P_ W w)	1491	feed_reverse (EV_P_ W w)
1357	{	1492	{
…		…
1403	if (expect_true (!anfd->reify))	1538	if (expect_true (!anfd->reify))
1404	fd_event_nocheck (EV_A_ fd, revents);	1539	fd_event_nocheck (EV_A_ fd, revents);
1405	}	1540	}
1406		1541
1407	void	1542	void
1408	ev_feed_fd_event (EV_P_ int fd, int revents)	1543	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1409	{	1544	{
1410	if (fd >= 0 && fd < anfdmax)	1545	if (fd >= 0 && fd < anfdmax)
1411	fd_event_nocheck (EV_A_ fd, revents);	1546	fd_event_nocheck (EV_A_ fd, revents);
1412	}	1547	}
1413		1548
…		…
1732	static void noinline ecb_cold	1867	static void noinline ecb_cold
1733	evpipe_init (EV_P)	1868	evpipe_init (EV_P)
1734	{	1869	{
1735	if (!ev_is_active (&pipe_w))	1870	if (!ev_is_active (&pipe_w))
1736	{	1871	{
		1872	int fds [2];
		1873
1737	# if EV_USE_EVENTFD	1874	# if EV_USE_EVENTFD
		1875	fds [0] = -1;
1738	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	1876	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1739	if (evfd < 0 && errno == EINVAL)	1877	if (fds [1] < 0 && errno == EINVAL)
1740	evfd = eventfd (0, 0);	1878	fds [1] = eventfd (0, 0);
1741		1879
1742	if (evfd >= 0)	1880	if (fds [1] < 0)
		1881	# endif
1743	{	1882	{
		1883	while (pipe (fds))
		1884	ev_syserr ("(libev) error creating signal/async pipe");
		1885
		1886	fd_intern (fds [0]);
		1887	}
		1888
		1889	fd_intern (fds [1]);
		1890
1744	evpipe [0] = -1;	1891	evpipe [0] = fds [0];
1745	fd_intern (evfd); /* doing it twice doesn't hurt */	1892
1746	ev_io_set (&pipe_w, evfd, EV_READ);	1893	if (evpipe [1] < 0)
		1894	evpipe [1] = fds [1]; /* first call, set write fd */
		1895	else
		1896	{
		1897	/* on subsequent calls, do not change evpipe [1] */
		1898	/* so that evpipe_write can always rely on its value. */
		1899	/* this branch does not do anything sensible on windows, */
		1900	/* so must not be executed on windows */
		1901
		1902	dup2 (fds [1], evpipe [1]);
		1903	close (fds [1]);
		1904	}
		1905
		1906	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		1907	ev_io_start (EV_A_ &pipe_w);
		1908	ev_unref (EV_A); /* watcher should not keep loop alive */
		1909	}
		1910	}
		1911
		1912	inline_speed void
		1913	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		1914	{
		1915	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		1916
		1917	if (expect_true (*flag))
		1918	return;
		1919
		1920	*flag = 1;
		1921	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		1922
		1923	pipe_write_skipped = 1;
		1924
		1925	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		1926
		1927	if (pipe_write_wanted)
		1928	{
		1929	int old_errno;
		1930
		1931	pipe_write_skipped = 0;
		1932	ECB_MEMORY_FENCE_RELEASE;
		1933
		1934	old_errno = errno; /* save errno because write will clobber it */
		1935
		1936	#if EV_USE_EVENTFD
		1937	if (evpipe [0] < 0)
		1938	{
		1939	uint64_t counter = 1;
		1940	write (evpipe [1], &counter, sizeof (uint64_t));
1747	}	1941	}
1748	else	1942	else
1749	# endif	1943	#endif
1750	{	1944	{
1751	while (pipe (evpipe))	1945	#ifdef _WIN32
1752	ev_syserr ("(libev) error creating signal/async pipe");	1946	WSABUF buf;
1753		1947	DWORD sent;
1754	fd_intern (evpipe [0]);	1948	buf.buf = &buf;
1755	fd_intern (evpipe [1]);	1949	buf.len = 1;
1756	ev_io_set (&pipe_w, evpipe [0], EV_READ);	1950	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1757	}	1951	#else
1758
1759	ev_io_start (EV_A_ &pipe_w);
1760	ev_unref (EV_A); /* watcher should not keep loop alive */
1761	}
1762	}
1763
1764	inline_speed void
1765	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1766	{
1767	if (expect_true (*flag))
1768	return;
1769
1770	*flag = 1;
1771
1772	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1773
1774	pipe_write_skipped = 1;
1775
1776	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1777
1778	if (pipe_write_wanted)
1779	{
1780	int old_errno;
1781
1782	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1783
1784	old_errno = errno; /* save errno because write will clobber it */
1785
1786	#if EV_USE_EVENTFD
1787	if (evfd >= 0)
1788	{
1789	uint64_t counter = 1;
1790	write (evfd, &counter, sizeof (uint64_t));
1791	}
1792	else
1793	#endif
1794	{
1795	/* win32 people keep sending patches that change this write() to send() */
1796	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1797	/* so when you think this write should be a send instead, please find out */
1798	/* where your send() is from - it's definitely not the microsoft send, and */
1799	/* tell me. thank you. */
1800	write (evpipe [1], &(evpipe [1]), 1);	1952	write (evpipe [1], &(evpipe [1]), 1);
		1953	#endif
1801	}	1954	}
1802		1955
1803	errno = old_errno;	1956	errno = old_errno;
1804	}	1957	}
1805	}	1958	}
…		…
1812	int i;	1965	int i;
1813		1966
1814	if (revents & EV_READ)	1967	if (revents & EV_READ)
1815	{	1968	{
1816	#if EV_USE_EVENTFD	1969	#if EV_USE_EVENTFD
1817	if (evfd >= 0)	1970	if (evpipe [0] < 0)
1818	{	1971	{
1819	uint64_t counter;	1972	uint64_t counter;
1820	read (evfd, &counter, sizeof (uint64_t));	1973	read (evpipe [1], &counter, sizeof (uint64_t));
1821	}	1974	}
1822	else	1975	else
1823	#endif	1976	#endif
1824	{	1977	{
1825	char dummy;	1978	char dummy[4];
1826	/* see discussion in evpipe_write when you think this read should be recv in win32 */	1979	#ifdef _WIN32
		1980	WSABUF buf;
		1981	DWORD recvd;
		1982	DWORD flags = 0;
		1983	buf.buf = dummy;
		1984	buf.len = sizeof (dummy);
		1985	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		1986	#else
1827	read (evpipe [0], &dummy, 1);	1987	read (evpipe [0], &dummy, sizeof (dummy));
		1988	#endif
1828	}	1989	}
1829	}	1990	}
1830		1991
1831	pipe_write_skipped = 0;	1992	pipe_write_skipped = 0;
		1993
		1994	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1832		1995
1833	#if EV_SIGNAL_ENABLE	1996	#if EV_SIGNAL_ENABLE
1834	if (sig_pending)	1997	if (sig_pending)
1835	{	1998	{
1836	sig_pending = 0;	1999	sig_pending = 0;
		2000
		2001	ECB_MEMORY_FENCE;
1837		2002
1838	for (i = EV_NSIG - 1; i--; )	2003	for (i = EV_NSIG - 1; i--; )
1839	if (expect_false (signals [i].pending))	2004	if (expect_false (signals [i].pending))
1840	ev_feed_signal_event (EV_A_ i + 1);	2005	ev_feed_signal_event (EV_A_ i + 1);
1841	}	2006	}
…		…
1843		2008
1844	#if EV_ASYNC_ENABLE	2009	#if EV_ASYNC_ENABLE
1845	if (async_pending)	2010	if (async_pending)
1846	{	2011	{
1847	async_pending = 0;	2012	async_pending = 0;
		2013
		2014	ECB_MEMORY_FENCE;
1848		2015
1849	for (i = asynccnt; i--; )	2016	for (i = asynccnt; i--; )
1850	if (asyncs [i]->sent)	2017	if (asyncs [i]->sent)
1851	{	2018	{
1852	asyncs [i]->sent = 0;	2019	asyncs [i]->sent = 0;
		2020	ECB_MEMORY_FENCE_RELEASE;
1853	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2021	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1854	}	2022	}
1855	}	2023	}
1856	#endif	2024	#endif
1857	}	2025	}
1858		2026
1859	/*****************************************************************************/	2027	/*****************************************************************************/
1860		2028
1861	void	2029	void
1862	ev_feed_signal (int signum)	2030	ev_feed_signal (int signum) EV_THROW
1863	{	2031	{
1864	#if EV_MULTIPLICITY	2032	#if EV_MULTIPLICITY
		2033	ECB_MEMORY_FENCE_ACQUIRE;
1865	EV_P = signals [signum - 1].loop;	2034	EV_P = signals [signum - 1].loop;
1866		2035
1867	if (!EV_A)	2036	if (!EV_A)
1868	return;	2037	return;
1869	#endif	2038	#endif
1870		2039
1871	if (!ev_active (&pipe_w))
1872	return;
1873
1874	signals [signum - 1].pending = 1;	2040	signals [signum - 1].pending = 1;
1875	evpipe_write (EV_A_ &sig_pending);	2041	evpipe_write (EV_A_ &sig_pending);
1876	}	2042	}
1877		2043
1878	static void	2044	static void
…		…
1884		2050
1885	ev_feed_signal (signum);	2051	ev_feed_signal (signum);
1886	}	2052	}
1887		2053
1888	void noinline	2054	void noinline
1889	ev_feed_signal_event (EV_P_ int signum)	2055	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1890	{	2056	{
1891	WL w;	2057	WL w;
1892		2058
1893	if (expect_false (signum <= 0 || signum > EV_NSIG))	2059	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1894	return;	2060	return;
1895		2061
1896	--signum;	2062	--signum;
1897		2063
1898	#if EV_MULTIPLICITY	2064	#if EV_MULTIPLICITY
…		…
1902	if (expect_false (signals [signum].loop != EV_A))	2068	if (expect_false (signals [signum].loop != EV_A))
1903	return;	2069	return;
1904	#endif	2070	#endif
1905		2071
1906	signals [signum].pending = 0;	2072	signals [signum].pending = 0;
		2073	ECB_MEMORY_FENCE_RELEASE;
1907		2074
1908	for (w = signals [signum].head; w; w = w->next)	2075	for (w = signals [signum].head; w; w = w->next)
1909	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2076	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1910	}	2077	}
1911		2078
…		…
2010	#if EV_USE_SELECT	2177	#if EV_USE_SELECT
2011	# include "ev_select.c"	2178	# include "ev_select.c"
2012	#endif	2179	#endif
2013		2180
2014	int ecb_cold	2181	int ecb_cold
2015	ev_version_major (void)	2182	ev_version_major (void) EV_THROW
2016	{	2183	{
2017	return EV_VERSION_MAJOR;	2184	return EV_VERSION_MAJOR;
2018	}	2185	}
2019		2186
2020	int ecb_cold	2187	int ecb_cold
2021	ev_version_minor (void)	2188	ev_version_minor (void) EV_THROW
2022	{	2189	{
2023	return EV_VERSION_MINOR;	2190	return EV_VERSION_MINOR;
2024	}	2191	}
2025		2192
2026	/* return true if we are running with elevated privileges and should ignore env variables */	2193	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2034	|| getgid () != getegid ();	2201	|| getgid () != getegid ();
2035	#endif	2202	#endif
2036	}	2203	}
2037		2204
2038	unsigned int ecb_cold	2205	unsigned int ecb_cold
2039	ev_supported_backends (void)	2206	ev_supported_backends (void) EV_THROW
2040	{	2207	{
2041	unsigned int flags = 0;	2208	unsigned int flags = 0;
2042		2209
2043	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2210	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2044	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2211	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2048		2215
2049	return flags;	2216	return flags;
2050	}	2217	}
2051		2218
2052	unsigned int ecb_cold	2219	unsigned int ecb_cold
2053	ev_recommended_backends (void)	2220	ev_recommended_backends (void) EV_THROW
2054	{	2221	{
2055	unsigned int flags = ev_supported_backends ();	2222	unsigned int flags = ev_supported_backends ();
2056		2223
2057	#ifndef __NetBSD__	2224	#ifndef __NetBSD__
2058	/* kqueue is borked on everything but netbsd apparently */	2225	/* kqueue is borked on everything but netbsd apparently */
…		…
2070		2237
2071	return flags;	2238	return flags;
2072	}	2239	}
2073		2240
2074	unsigned int ecb_cold	2241	unsigned int ecb_cold
2075	ev_embeddable_backends (void)	2242	ev_embeddable_backends (void) EV_THROW
2076	{	2243	{
2077	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2244	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2078		2245
2079	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2246	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2080	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2247	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2082		2249
2083	return flags;	2250	return flags;
2084	}	2251	}
2085		2252
2086	unsigned int	2253	unsigned int
2087	ev_backend (EV_P)	2254	ev_backend (EV_P) EV_THROW
2088	{	2255	{
2089	return backend;	2256	return backend;
2090	}	2257	}
2091		2258
2092	#if EV_FEATURE_API	2259	#if EV_FEATURE_API
2093	unsigned int	2260	unsigned int
2094	ev_iteration (EV_P)	2261	ev_iteration (EV_P) EV_THROW
2095	{	2262	{
2096	return loop_count;	2263	return loop_count;
2097	}	2264	}
2098		2265
2099	unsigned int	2266	unsigned int
2100	ev_depth (EV_P)	2267	ev_depth (EV_P) EV_THROW
2101	{	2268	{
2102	return loop_depth;	2269	return loop_depth;
2103	}	2270	}
2104		2271
2105	void	2272	void
2106	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2273	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2107	{	2274	{
2108	io_blocktime = interval;	2275	io_blocktime = interval;
2109	}	2276	}
2110		2277
2111	void	2278	void
2112	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2279	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2113	{	2280	{
2114	timeout_blocktime = interval;	2281	timeout_blocktime = interval;
2115	}	2282	}
2116		2283
2117	void	2284	void
2118	ev_set_userdata (EV_P_ void *data)	2285	ev_set_userdata (EV_P_ void *data) EV_THROW
2119	{	2286	{
2120	userdata = data;	2287	userdata = data;
2121	}	2288	}
2122		2289
2123	void *	2290	void *
2124	ev_userdata (EV_P)	2291	ev_userdata (EV_P) EV_THROW
2125	{	2292	{
2126	return userdata;	2293	return userdata;
2127	}	2294	}
2128		2295
2129	void	2296	void
2130	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2297	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2131	{	2298	{
2132	invoke_cb = invoke_pending_cb;	2299	invoke_cb = invoke_pending_cb;
2133	}	2300	}
2134		2301
2135	void	2302	void
2136	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2303	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2137	{	2304	{
2138	release_cb = release;	2305	release_cb = release;
2139	acquire_cb = acquire;	2306	acquire_cb = acquire;
2140	}	2307	}
2141	#endif	2308	#endif
2142		2309
2143	/* initialise a loop structure, must be zero-initialised */	2310	/* initialise a loop structure, must be zero-initialised */
2144	static void noinline ecb_cold	2311	static void noinline ecb_cold
2145	loop_init (EV_P_ unsigned int flags)	2312	loop_init (EV_P_ unsigned int flags) EV_THROW
2146	{	2313	{
2147	if (!backend)	2314	if (!backend)
2148	{	2315	{
2149	origflags = flags;	2316	origflags = flags;
2150		2317
…		…
2195	#if EV_ASYNC_ENABLE	2362	#if EV_ASYNC_ENABLE
2196	async_pending = 0;	2363	async_pending = 0;
2197	#endif	2364	#endif
2198	pipe_write_skipped = 0;	2365	pipe_write_skipped = 0;
2199	pipe_write_wanted = 0;	2366	pipe_write_wanted = 0;
		2367	evpipe [0] = -1;
		2368	evpipe [1] = -1;
2200	#if EV_USE_INOTIFY	2369	#if EV_USE_INOTIFY
2201	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2370	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2202	#endif	2371	#endif
2203	#if EV_USE_SIGNALFD	2372	#if EV_USE_SIGNALFD
2204	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2373	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2255	EV_INVOKE_PENDING;	2424	EV_INVOKE_PENDING;
2256	}	2425	}
2257	#endif	2426	#endif
2258		2427
2259	#if EV_CHILD_ENABLE	2428	#if EV_CHILD_ENABLE
2260	if (ev_is_active (&childev))	2429	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2261	{	2430	{
2262	ev_ref (EV_A); /* child watcher */	2431	ev_ref (EV_A); /* child watcher */
2263	ev_signal_stop (EV_A_ &childev);	2432	ev_signal_stop (EV_A_ &childev);
2264	}	2433	}
2265	#endif	2434	#endif
…		…
2267	if (ev_is_active (&pipe_w))	2436	if (ev_is_active (&pipe_w))
2268	{	2437	{
2269	/*ev_ref (EV_A);*/	2438	/*ev_ref (EV_A);*/
2270	/*ev_io_stop (EV_A_ &pipe_w);*/	2439	/*ev_io_stop (EV_A_ &pipe_w);*/
2271		2440
2272	#if EV_USE_EVENTFD
2273	if (evfd >= 0)
2274	close (evfd);
2275	#endif
2276
2277	if (evpipe [0] >= 0)
2278	{
2279	EV_WIN32_CLOSE_FD (evpipe [0]);	2441	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2280	EV_WIN32_CLOSE_FD (evpipe [1]);	2442	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2281	}
2282	}	2443	}
2283		2444
2284	#if EV_USE_SIGNALFD	2445	#if EV_USE_SIGNALFD
2285	if (ev_is_active (&sigfd_w))	2446	if (ev_is_active (&sigfd_w))
2286	close (sigfd);	2447	close (sigfd);
…		…
2372	#endif	2533	#endif
2373	#if EV_USE_INOTIFY	2534	#if EV_USE_INOTIFY
2374	infy_fork (EV_A);	2535	infy_fork (EV_A);
2375	#endif	2536	#endif
2376		2537
		2538	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2377	if (ev_is_active (&pipe_w))	2539	if (ev_is_active (&pipe_w))
2378	{	2540	{
2379	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2541	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2380		2542
2381	ev_ref (EV_A);	2543	ev_ref (EV_A);
2382	ev_io_stop (EV_A_ &pipe_w);	2544	ev_io_stop (EV_A_ &pipe_w);
2383		2545
2384	#if EV_USE_EVENTFD
2385	if (evfd >= 0)
2386	close (evfd);
2387	#endif
2388
2389	if (evpipe [0] >= 0)	2546	if (evpipe [0] >= 0)
2390	{
2391	EV_WIN32_CLOSE_FD (evpipe [0]);	2547	EV_WIN32_CLOSE_FD (evpipe [0]);
2392	EV_WIN32_CLOSE_FD (evpipe [1]);
2393	}
2394		2548
2395	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2396	evpipe_init (EV_A);	2549	evpipe_init (EV_A);
2397	/* now iterate over everything, in case we missed something */	2550	/* iterate over everything, in case we missed something before */
2398	pipecb (EV_A_ &pipe_w, EV_READ);	2551	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2399	#endif
2400	}	2552	}
		2553	#endif
2401		2554
2402	postfork = 0;	2555	postfork = 0;
2403	}	2556	}
2404		2557
2405	#if EV_MULTIPLICITY	2558	#if EV_MULTIPLICITY
2406		2559
2407	struct ev_loop * ecb_cold	2560	struct ev_loop * ecb_cold
2408	ev_loop_new (unsigned int flags)	2561	ev_loop_new (unsigned int flags) EV_THROW
2409	{	2562	{
2410	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2563	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2411		2564
2412	memset (EV_A, 0, sizeof (struct ev_loop));	2565	memset (EV_A, 0, sizeof (struct ev_loop));
2413	loop_init (EV_A_ flags);	2566	loop_init (EV_A_ flags);
…		…
2457	}	2610	}
2458	#endif	2611	#endif
2459		2612
2460	#if EV_FEATURE_API	2613	#if EV_FEATURE_API
2461	void ecb_cold	2614	void ecb_cold
2462	ev_verify (EV_P)	2615	ev_verify (EV_P) EV_THROW
2463	{	2616	{
2464	#if EV_VERIFY	2617	#if EV_VERIFY
2465	int i;	2618	int i;
2466	WL w;	2619	WL w, w2;
2467		2620
2468	assert (activecnt >= -1);	2621	assert (activecnt >= -1);
2469		2622
2470	assert (fdchangemax >= fdchangecnt);	2623	assert (fdchangemax >= fdchangecnt);
2471	for (i = 0; i < fdchangecnt; ++i)	2624	for (i = 0; i < fdchangecnt; ++i)
2472	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2625	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2473		2626
2474	assert (anfdmax >= 0);	2627	assert (anfdmax >= 0);
2475	for (i = 0; i < anfdmax; ++i)	2628	for (i = 0; i < anfdmax; ++i)
		2629	{
		2630	int j = 0;
		2631
2476	for (w = anfds [i].head; w; w = w->next)	2632	for (w = w2 = anfds [i].head; w; w = w->next)
2477	{	2633	{
2478	verify_watcher (EV_A_ (W)w);	2634	verify_watcher (EV_A_ (W)w);
		2635
		2636	if (j++ & 1)
		2637	{
		2638	assert (("libev: io watcher list contains a loop", w != w2));
		2639	w2 = w2->next;
		2640	}
		2641
2479	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2642	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2480	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2643	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2481	}	2644	}
		2645	}
2482		2646
2483	assert (timermax >= timercnt);	2647	assert (timermax >= timercnt);
2484	verify_heap (EV_A_ timers, timercnt);	2648	verify_heap (EV_A_ timers, timercnt);
2485		2649
2486	#if EV_PERIODIC_ENABLE	2650	#if EV_PERIODIC_ENABLE
…		…
2536	#if EV_MULTIPLICITY	2700	#if EV_MULTIPLICITY
2537	struct ev_loop * ecb_cold	2701	struct ev_loop * ecb_cold
2538	#else	2702	#else
2539	int	2703	int
2540	#endif	2704	#endif
2541	ev_default_loop (unsigned int flags)	2705	ev_default_loop (unsigned int flags) EV_THROW
2542	{	2706	{
2543	if (!ev_default_loop_ptr)	2707	if (!ev_default_loop_ptr)
2544	{	2708	{
2545	#if EV_MULTIPLICITY	2709	#if EV_MULTIPLICITY
2546	EV_P = ev_default_loop_ptr = &default_loop_struct;	2710	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2565		2729
2566	return ev_default_loop_ptr;	2730	return ev_default_loop_ptr;
2567	}	2731	}
2568		2732
2569	void	2733	void
2570	ev_loop_fork (EV_P)	2734	ev_loop_fork (EV_P) EV_THROW
2571	{	2735	{
2572	postfork = 1; /* must be in line with ev_default_fork */	2736	postfork = 1;
2573	}	2737	}
2574		2738
2575	/*****************************************************************************/	2739	/*****************************************************************************/
2576		2740
2577	void	2741	void
…		…
2579	{	2743	{
2580	EV_CB_INVOKE ((W)w, revents);	2744	EV_CB_INVOKE ((W)w, revents);
2581	}	2745	}
2582		2746
2583	unsigned int	2747	unsigned int
2584	ev_pending_count (EV_P)	2748	ev_pending_count (EV_P) EV_THROW
2585	{	2749	{
2586	int pri;	2750	int pri;
2587	unsigned int count = 0;	2751	unsigned int count = 0;
2588		2752
2589	for (pri = NUMPRI; pri--; )	2753	for (pri = NUMPRI; pri--; )
…		…
2593	}	2757	}
2594		2758
2595	void noinline	2759	void noinline
2596	ev_invoke_pending (EV_P)	2760	ev_invoke_pending (EV_P)
2597	{	2761	{
2598	int pri;	2762	pendingpri = NUMPRI;
2599		2763
2600	for (pri = NUMPRI; pri--; )	2764	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2765	{
		2766	--pendingpri;
		2767
2601	while (pendingcnt [pri])	2768	while (pendingcnt [pendingpri])
2602	{	2769	{
2603	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2770	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2604		2771
2605	p->w->pending = 0;	2772	p->w->pending = 0;
2606	EV_CB_INVOKE (p->w, p->events);	2773	EV_CB_INVOKE (p->w, p->events);
2607	EV_FREQUENT_CHECK;	2774	EV_FREQUENT_CHECK;
2608	}	2775	}
		2776	}
2609	}	2777	}
2610		2778
2611	#if EV_IDLE_ENABLE	2779	#if EV_IDLE_ENABLE
2612	/* make idle watchers pending. this handles the "call-idle */	2780	/* make idle watchers pending. this handles the "call-idle */
2613	/* only when higher priorities are idle" logic */	2781	/* only when higher priorities are idle" logic */
…		…
2703	{	2871	{
2704	EV_FREQUENT_CHECK;	2872	EV_FREQUENT_CHECK;
2705		2873
2706	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	2874	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2707	{	2875	{
2708	int feed_count = 0;
2709
2710	do	2876	do
2711	{	2877	{
2712	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	2878	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2713		2879
2714	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	2880	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2848		3014
2849	mn_now = ev_rt_now;	3015	mn_now = ev_rt_now;
2850	}	3016	}
2851	}	3017	}
2852		3018
2853	void	3019	int
2854	ev_run (EV_P_ int flags)	3020	ev_run (EV_P_ int flags)
2855	{	3021	{
2856	#if EV_FEATURE_API	3022	#if EV_FEATURE_API
2857	++loop_depth;	3023	++loop_depth;
2858	#endif	3024	#endif
…		…
2971	#endif	3137	#endif
2972	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3138	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2973	backend_poll (EV_A_ waittime);	3139	backend_poll (EV_A_ waittime);
2974	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3140	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2975		3141
2976	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3142	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2977		3143
		3144	ECB_MEMORY_FENCE_ACQUIRE;
2978	if (pipe_write_skipped)	3145	if (pipe_write_skipped)
2979	{	3146	{
2980	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3147	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2981	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3148	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2982	}	3149	}
…		…
3015	loop_done = EVBREAK_CANCEL;	3182	loop_done = EVBREAK_CANCEL;
3016		3183
3017	#if EV_FEATURE_API	3184	#if EV_FEATURE_API
3018	--loop_depth;	3185	--loop_depth;
3019	#endif	3186	#endif
		3187
		3188	return activecnt;
3020	}	3189	}
3021		3190
3022	void	3191	void
3023	ev_break (EV_P_ int how)	3192	ev_break (EV_P_ int how) EV_THROW
3024	{	3193	{
3025	loop_done = how;	3194	loop_done = how;
3026	}	3195	}
3027		3196
3028	void	3197	void
3029	ev_ref (EV_P)	3198	ev_ref (EV_P) EV_THROW
3030	{	3199	{
3031	++activecnt;	3200	++activecnt;
3032	}	3201	}
3033		3202
3034	void	3203	void
3035	ev_unref (EV_P)	3204	ev_unref (EV_P) EV_THROW
3036	{	3205	{
3037	--activecnt;	3206	--activecnt;
3038	}	3207	}
3039		3208
3040	void	3209	void
3041	ev_now_update (EV_P)	3210	ev_now_update (EV_P) EV_THROW
3042	{	3211	{
3043	time_update (EV_A_ 1e100);	3212	time_update (EV_A_ 1e100);
3044	}	3213	}
3045		3214
3046	void	3215	void
3047	ev_suspend (EV_P)	3216	ev_suspend (EV_P) EV_THROW
3048	{	3217	{
3049	ev_now_update (EV_A);	3218	ev_now_update (EV_A);
3050	}	3219	}
3051		3220
3052	void	3221	void
3053	ev_resume (EV_P)	3222	ev_resume (EV_P) EV_THROW
3054	{	3223	{
3055	ev_tstamp mn_prev = mn_now;	3224	ev_tstamp mn_prev = mn_now;
3056		3225
3057	ev_now_update (EV_A);	3226	ev_now_update (EV_A);
3058	timers_reschedule (EV_A_ mn_now - mn_prev);	3227	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3097	w->pending = 0;	3266	w->pending = 0;
3098	}	3267	}
3099	}	3268	}
3100		3269
3101	int	3270	int
3102	ev_clear_pending (EV_P_ void *w)	3271	ev_clear_pending (EV_P_ void *w) EV_THROW
3103	{	3272	{
3104	W w_ = (W)w;	3273	W w_ = (W)w;
3105	int pending = w_->pending;	3274	int pending = w_->pending;
3106		3275
3107	if (expect_true (pending))	3276	if (expect_true (pending))
…		…
3140	}	3309	}
3141		3310
3142	/*****************************************************************************/	3311	/*****************************************************************************/
3143		3312
3144	void noinline	3313	void noinline
3145	ev_io_start (EV_P_ ev_io *w)	3314	ev_io_start (EV_P_ ev_io *w) EV_THROW
3146	{	3315	{
3147	int fd = w->fd;	3316	int fd = w->fd;
3148		3317
3149	if (expect_false (ev_is_active (w)))	3318	if (expect_false (ev_is_active (w)))
3150	return;	3319	return;
…		…
3156		3325
3157	ev_start (EV_A_ (W)w, 1);	3326	ev_start (EV_A_ (W)w, 1);
3158	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3327	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3159	wlist_add (&anfds[fd].head, (WL)w);	3328	wlist_add (&anfds[fd].head, (WL)w);
3160		3329
		3330	/* common bug, apparently */
		3331	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3332
3161	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3333	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3162	w->events &= ~EV__IOFDSET;	3334	w->events &= ~EV__IOFDSET;
3163		3335
3164	EV_FREQUENT_CHECK;	3336	EV_FREQUENT_CHECK;
3165	}	3337	}
3166		3338
3167	void noinline	3339	void noinline
3168	ev_io_stop (EV_P_ ev_io *w)	3340	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3169	{	3341	{
3170	clear_pending (EV_A_ (W)w);	3342	clear_pending (EV_A_ (W)w);
3171	if (expect_false (!ev_is_active (w)))	3343	if (expect_false (!ev_is_active (w)))
3172	return;	3344	return;
3173		3345
…		…
3182		3354
3183	EV_FREQUENT_CHECK;	3355	EV_FREQUENT_CHECK;
3184	}	3356	}
3185		3357
3186	void noinline	3358	void noinline
3187	ev_timer_start (EV_P_ ev_timer *w)	3359	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3188	{	3360	{
3189	if (expect_false (ev_is_active (w)))	3361	if (expect_false (ev_is_active (w)))
3190	return;	3362	return;
3191		3363
3192	ev_at (w) += mn_now;	3364	ev_at (w) += mn_now;
…		…
3206		3378
3207	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3379	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3208	}	3380	}
3209		3381
3210	void noinline	3382	void noinline
3211	ev_timer_stop (EV_P_ ev_timer *w)	3383	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3212	{	3384	{
3213	clear_pending (EV_A_ (W)w);	3385	clear_pending (EV_A_ (W)w);
3214	if (expect_false (!ev_is_active (w)))	3386	if (expect_false (!ev_is_active (w)))
3215	return;	3387	return;
3216		3388
…		…
3236		3408
3237	EV_FREQUENT_CHECK;	3409	EV_FREQUENT_CHECK;
3238	}	3410	}
3239		3411
3240	void noinline	3412	void noinline
3241	ev_timer_again (EV_P_ ev_timer *w)	3413	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3242	{	3414	{
3243	EV_FREQUENT_CHECK;	3415	EV_FREQUENT_CHECK;
		3416
		3417	clear_pending (EV_A_ (W)w);
3244		3418
3245	if (ev_is_active (w))	3419	if (ev_is_active (w))
3246	{	3420	{
3247	if (w->repeat)	3421	if (w->repeat)
3248	{	3422	{
…		…
3261		3435
3262	EV_FREQUENT_CHECK;	3436	EV_FREQUENT_CHECK;
3263	}	3437	}
3264		3438
3265	ev_tstamp	3439	ev_tstamp
3266	ev_timer_remaining (EV_P_ ev_timer *w)	3440	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3267	{	3441	{
3268	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3442	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3269	}	3443	}
3270		3444
3271	#if EV_PERIODIC_ENABLE	3445	#if EV_PERIODIC_ENABLE
3272	void noinline	3446	void noinline
3273	ev_periodic_start (EV_P_ ev_periodic *w)	3447	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3274	{	3448	{
3275	if (expect_false (ev_is_active (w)))	3449	if (expect_false (ev_is_active (w)))
3276	return;	3450	return;
3277		3451
3278	if (w->reschedule_cb)	3452	if (w->reschedule_cb)
…		…
3298		3472
3299	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3473	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3300	}	3474	}
3301		3475
3302	void noinline	3476	void noinline
3303	ev_periodic_stop (EV_P_ ev_periodic *w)	3477	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3304	{	3478	{
3305	clear_pending (EV_A_ (W)w);	3479	clear_pending (EV_A_ (W)w);
3306	if (expect_false (!ev_is_active (w)))	3480	if (expect_false (!ev_is_active (w)))
3307	return;	3481	return;
3308		3482
…		…
3326		3500
3327	EV_FREQUENT_CHECK;	3501	EV_FREQUENT_CHECK;
3328	}	3502	}
3329		3503
3330	void noinline	3504	void noinline
3331	ev_periodic_again (EV_P_ ev_periodic *w)	3505	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3332	{	3506	{
3333	/* TODO: use adjustheap and recalculation */	3507	/* TODO: use adjustheap and recalculation */
3334	ev_periodic_stop (EV_A_ w);	3508	ev_periodic_stop (EV_A_ w);
3335	ev_periodic_start (EV_A_ w);	3509	ev_periodic_start (EV_A_ w);
3336	}	3510	}
…		…
3341	#endif	3515	#endif
3342		3516
3343	#if EV_SIGNAL_ENABLE	3517	#if EV_SIGNAL_ENABLE
3344		3518
3345	void noinline	3519	void noinline
3346	ev_signal_start (EV_P_ ev_signal *w)	3520	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3347	{	3521	{
3348	if (expect_false (ev_is_active (w)))	3522	if (expect_false (ev_is_active (w)))
3349	return;	3523	return;
3350		3524
3351	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3525	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3353	#if EV_MULTIPLICITY	3527	#if EV_MULTIPLICITY
3354	assert (("libev: a signal must not be attached to two different loops",	3528	assert (("libev: a signal must not be attached to two different loops",
3355	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3529	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3356		3530
3357	signals [w->signum - 1].loop = EV_A;	3531	signals [w->signum - 1].loop = EV_A;
		3532	ECB_MEMORY_FENCE_RELEASE;
3358	#endif	3533	#endif
3359		3534
3360	EV_FREQUENT_CHECK;	3535	EV_FREQUENT_CHECK;
3361		3536
3362	#if EV_USE_SIGNALFD	3537	#if EV_USE_SIGNALFD
…		…
3422		3597
3423	EV_FREQUENT_CHECK;	3598	EV_FREQUENT_CHECK;
3424	}	3599	}
3425		3600
3426	void noinline	3601	void noinline
3427	ev_signal_stop (EV_P_ ev_signal *w)	3602	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3428	{	3603	{
3429	clear_pending (EV_A_ (W)w);	3604	clear_pending (EV_A_ (W)w);
3430	if (expect_false (!ev_is_active (w)))	3605	if (expect_false (!ev_is_active (w)))
3431	return;	3606	return;
3432		3607
…		…
3463	#endif	3638	#endif
3464		3639
3465	#if EV_CHILD_ENABLE	3640	#if EV_CHILD_ENABLE
3466		3641
3467	void	3642	void
3468	ev_child_start (EV_P_ ev_child *w)	3643	ev_child_start (EV_P_ ev_child *w) EV_THROW
3469	{	3644	{
3470	#if EV_MULTIPLICITY	3645	#if EV_MULTIPLICITY
3471	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3646	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3472	#endif	3647	#endif
3473	if (expect_false (ev_is_active (w)))	3648	if (expect_false (ev_is_active (w)))
…		…
3480		3655
3481	EV_FREQUENT_CHECK;	3656	EV_FREQUENT_CHECK;
3482	}	3657	}
3483		3658
3484	void	3659	void
3485	ev_child_stop (EV_P_ ev_child *w)	3660	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3486	{	3661	{
3487	clear_pending (EV_A_ (W)w);	3662	clear_pending (EV_A_ (W)w);
3488	if (expect_false (!ev_is_active (w)))	3663	if (expect_false (!ev_is_active (w)))
3489	return;	3664	return;
3490		3665
…		…
3657	}	3832	}
3658		3833
3659	inline_size int	3834	inline_size int
3660	infy_newfd (void)	3835	infy_newfd (void)
3661	{	3836	{
3662	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	3837	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3663	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	3838	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3664	if (fd >= 0)	3839	if (fd >= 0)
3665	return fd;	3840	return fd;
3666	#endif	3841	#endif
3667	return inotify_init ();	3842	return inotify_init ();
…		…
3742	#else	3917	#else
3743	# define EV_LSTAT(p,b) lstat (p, b)	3918	# define EV_LSTAT(p,b) lstat (p, b)
3744	#endif	3919	#endif
3745		3920
3746	void	3921	void
3747	ev_stat_stat (EV_P_ ev_stat *w)	3922	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3748	{	3923	{
3749	if (lstat (w->path, &w->attr) < 0)	3924	if (lstat (w->path, &w->attr) < 0)
3750	w->attr.st_nlink = 0;	3925	w->attr.st_nlink = 0;
3751	else if (!w->attr.st_nlink)	3926	else if (!w->attr.st_nlink)
3752	w->attr.st_nlink = 1;	3927	w->attr.st_nlink = 1;
…		…
3791	ev_feed_event (EV_A_ w, EV_STAT);	3966	ev_feed_event (EV_A_ w, EV_STAT);
3792	}	3967	}
3793	}	3968	}
3794		3969
3795	void	3970	void
3796	ev_stat_start (EV_P_ ev_stat *w)	3971	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3797	{	3972	{
3798	if (expect_false (ev_is_active (w)))	3973	if (expect_false (ev_is_active (w)))
3799	return;	3974	return;
3800		3975
3801	ev_stat_stat (EV_A_ w);	3976	ev_stat_stat (EV_A_ w);
…		…
3822		3997
3823	EV_FREQUENT_CHECK;	3998	EV_FREQUENT_CHECK;
3824	}	3999	}
3825		4000
3826	void	4001	void
3827	ev_stat_stop (EV_P_ ev_stat *w)	4002	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3828	{	4003	{
3829	clear_pending (EV_A_ (W)w);	4004	clear_pending (EV_A_ (W)w);
3830	if (expect_false (!ev_is_active (w)))	4005	if (expect_false (!ev_is_active (w)))
3831	return;	4006	return;
3832		4007
…		…
3848	}	4023	}
3849	#endif	4024	#endif
3850		4025
3851	#if EV_IDLE_ENABLE	4026	#if EV_IDLE_ENABLE
3852	void	4027	void
3853	ev_idle_start (EV_P_ ev_idle *w)	4028	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3854	{	4029	{
3855	if (expect_false (ev_is_active (w)))	4030	if (expect_false (ev_is_active (w)))
3856	return;	4031	return;
3857		4032
3858	pri_adjust (EV_A_ (W)w);	4033	pri_adjust (EV_A_ (W)w);
…		…
3871		4046
3872	EV_FREQUENT_CHECK;	4047	EV_FREQUENT_CHECK;
3873	}	4048	}
3874		4049
3875	void	4050	void
3876	ev_idle_stop (EV_P_ ev_idle *w)	4051	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3877	{	4052	{
3878	clear_pending (EV_A_ (W)w);	4053	clear_pending (EV_A_ (W)w);
3879	if (expect_false (!ev_is_active (w)))	4054	if (expect_false (!ev_is_active (w)))
3880	return;	4055	return;
3881		4056
…		…
3895	}	4070	}
3896	#endif	4071	#endif
3897		4072
3898	#if EV_PREPARE_ENABLE	4073	#if EV_PREPARE_ENABLE
3899	void	4074	void
3900	ev_prepare_start (EV_P_ ev_prepare *w)	4075	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3901	{	4076	{
3902	if (expect_false (ev_is_active (w)))	4077	if (expect_false (ev_is_active (w)))
3903	return;	4078	return;
3904		4079
3905	EV_FREQUENT_CHECK;	4080	EV_FREQUENT_CHECK;
…		…
3910		4085
3911	EV_FREQUENT_CHECK;	4086	EV_FREQUENT_CHECK;
3912	}	4087	}
3913		4088
3914	void	4089	void
3915	ev_prepare_stop (EV_P_ ev_prepare *w)	4090	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3916	{	4091	{
3917	clear_pending (EV_A_ (W)w);	4092	clear_pending (EV_A_ (W)w);
3918	if (expect_false (!ev_is_active (w)))	4093	if (expect_false (!ev_is_active (w)))
3919	return;	4094	return;
3920		4095
…		…
3933	}	4108	}
3934	#endif	4109	#endif
3935		4110
3936	#if EV_CHECK_ENABLE	4111	#if EV_CHECK_ENABLE
3937	void	4112	void
3938	ev_check_start (EV_P_ ev_check *w)	4113	ev_check_start (EV_P_ ev_check *w) EV_THROW
3939	{	4114	{
3940	if (expect_false (ev_is_active (w)))	4115	if (expect_false (ev_is_active (w)))
3941	return;	4116	return;
3942		4117
3943	EV_FREQUENT_CHECK;	4118	EV_FREQUENT_CHECK;
…		…
3948		4123
3949	EV_FREQUENT_CHECK;	4124	EV_FREQUENT_CHECK;
3950	}	4125	}
3951		4126
3952	void	4127	void
3953	ev_check_stop (EV_P_ ev_check *w)	4128	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3954	{	4129	{
3955	clear_pending (EV_A_ (W)w);	4130	clear_pending (EV_A_ (W)w);
3956	if (expect_false (!ev_is_active (w)))	4131	if (expect_false (!ev_is_active (w)))
3957	return;	4132	return;
3958		4133
…		…
3971	}	4146	}
3972	#endif	4147	#endif
3973		4148
3974	#if EV_EMBED_ENABLE	4149	#if EV_EMBED_ENABLE
3975	void noinline	4150	void noinline
3976	ev_embed_sweep (EV_P_ ev_embed *w)	4151	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3977	{	4152	{
3978	ev_run (w->other, EVRUN_NOWAIT);	4153	ev_run (w->other, EVRUN_NOWAIT);
3979	}	4154	}
3980		4155
3981	static void	4156	static void
…		…
4029	ev_idle_stop (EV_A_ idle);	4204	ev_idle_stop (EV_A_ idle);
4030	}	4205	}
4031	#endif	4206	#endif
4032		4207
4033	void	4208	void
4034	ev_embed_start (EV_P_ ev_embed *w)	4209	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4035	{	4210	{
4036	if (expect_false (ev_is_active (w)))	4211	if (expect_false (ev_is_active (w)))
4037	return;	4212	return;
4038		4213
4039	{	4214	{
…		…
4060		4235
4061	EV_FREQUENT_CHECK;	4236	EV_FREQUENT_CHECK;
4062	}	4237	}
4063		4238
4064	void	4239	void
4065	ev_embed_stop (EV_P_ ev_embed *w)	4240	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4066	{	4241	{
4067	clear_pending (EV_A_ (W)w);	4242	clear_pending (EV_A_ (W)w);
4068	if (expect_false (!ev_is_active (w)))	4243	if (expect_false (!ev_is_active (w)))
4069	return;	4244	return;
4070		4245
…		…
4080	}	4255	}
4081	#endif	4256	#endif
4082		4257
4083	#if EV_FORK_ENABLE	4258	#if EV_FORK_ENABLE
4084	void	4259	void
4085	ev_fork_start (EV_P_ ev_fork *w)	4260	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4086	{	4261	{
4087	if (expect_false (ev_is_active (w)))	4262	if (expect_false (ev_is_active (w)))
4088	return;	4263	return;
4089		4264
4090	EV_FREQUENT_CHECK;	4265	EV_FREQUENT_CHECK;
…		…
4095		4270
4096	EV_FREQUENT_CHECK;	4271	EV_FREQUENT_CHECK;
4097	}	4272	}
4098		4273
4099	void	4274	void
4100	ev_fork_stop (EV_P_ ev_fork *w)	4275	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4101	{	4276	{
4102	clear_pending (EV_A_ (W)w);	4277	clear_pending (EV_A_ (W)w);
4103	if (expect_false (!ev_is_active (w)))	4278	if (expect_false (!ev_is_active (w)))
4104	return;	4279	return;
4105		4280
…		…
4118	}	4293	}
4119	#endif	4294	#endif
4120		4295
4121	#if EV_CLEANUP_ENABLE	4296	#if EV_CLEANUP_ENABLE
4122	void	4297	void
4123	ev_cleanup_start (EV_P_ ev_cleanup *w)	4298	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4124	{	4299	{
4125	if (expect_false (ev_is_active (w)))	4300	if (expect_false (ev_is_active (w)))
4126	return;	4301	return;
4127		4302
4128	EV_FREQUENT_CHECK;	4303	EV_FREQUENT_CHECK;
…		…
4135	ev_unref (EV_A);	4310	ev_unref (EV_A);
4136	EV_FREQUENT_CHECK;	4311	EV_FREQUENT_CHECK;
4137	}	4312	}
4138		4313
4139	void	4314	void
4140	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4315	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4141	{	4316	{
4142	clear_pending (EV_A_ (W)w);	4317	clear_pending (EV_A_ (W)w);
4143	if (expect_false (!ev_is_active (w)))	4318	if (expect_false (!ev_is_active (w)))
4144	return;	4319	return;
4145		4320
…		…
4159	}	4334	}
4160	#endif	4335	#endif
4161		4336
4162	#if EV_ASYNC_ENABLE	4337	#if EV_ASYNC_ENABLE
4163	void	4338	void
4164	ev_async_start (EV_P_ ev_async *w)	4339	ev_async_start (EV_P_ ev_async *w) EV_THROW
4165	{	4340	{
4166	if (expect_false (ev_is_active (w)))	4341	if (expect_false (ev_is_active (w)))
4167	return;	4342	return;
4168		4343
4169	w->sent = 0;	4344	w->sent = 0;
…		…
4178		4353
4179	EV_FREQUENT_CHECK;	4354	EV_FREQUENT_CHECK;
4180	}	4355	}
4181		4356
4182	void	4357	void
4183	ev_async_stop (EV_P_ ev_async *w)	4358	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4184	{	4359	{
4185	clear_pending (EV_A_ (W)w);	4360	clear_pending (EV_A_ (W)w);
4186	if (expect_false (!ev_is_active (w)))	4361	if (expect_false (!ev_is_active (w)))
4187	return;	4362	return;
4188		4363
…		…
4199		4374
4200	EV_FREQUENT_CHECK;	4375	EV_FREQUENT_CHECK;
4201	}	4376	}
4202		4377
4203	void	4378	void
4204	ev_async_send (EV_P_ ev_async *w)	4379	ev_async_send (EV_P_ ev_async *w) EV_THROW
4205	{	4380	{
4206	w->sent = 1;	4381	w->sent = 1;
4207	evpipe_write (EV_A_ &async_pending);	4382	evpipe_write (EV_A_ &async_pending);
4208	}	4383	}
4209	#endif	4384	#endif
…		…
4246		4421
4247	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4422	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4248	}	4423	}
4249		4424
4250	void	4425	void
4251	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4426	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4252	{	4427	{
4253	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4428	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4254		4429
4255	if (expect_false (!once))	4430	if (expect_false (!once))
4256	{	4431	{
…		…
4278		4453
4279	/*****************************************************************************/	4454	/*****************************************************************************/
4280		4455
4281	#if EV_WALK_ENABLE	4456	#if EV_WALK_ENABLE
4282	void ecb_cold	4457	void ecb_cold
4283	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4458	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4284	{	4459	{
4285	int i, j;	4460	int i, j;
4286	ev_watcher_list *wl, *wn;	4461	ev_watcher_list *wl, *wn;
4287		4462
4288	if (types & (EV_IO | EV_EMBED))	4463	if (types & (EV_IO | EV_EMBED))
…		…
4394		4569
4395	#if EV_MULTIPLICITY	4570	#if EV_MULTIPLICITY
4396	#include "ev_wrap.h"	4571	#include "ev_wrap.h"
4397	#endif	4572	#endif
4398		4573
4399	EV_CPP(})
4400

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