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Comparing libev/ev.c (file contents):
Revision 1.411 by root, Tue Feb 21 04:34:02 2012 UTC vs.
Revision 1.448 by root, Tue Jul 24 16:28:08 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
…		…
201	# include <sys/wait.h>	201	# include <sys/wait.h>
202	# include <unistd.h>	202	# include <unistd.h>
203	#else	203	#else
204	# include <io.h>	204	# include <io.h>
205	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
206	# include <windows.h>	207	# include <windows.h>
207	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
208	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
209	# endif	210	# endif
210	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
219	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
220		221
221	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
222		223
223	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
224	#if defined (EV_NSIG)	225	#if defined EV_NSIG
225	/* use what's provided */	226	/* use what's provided */
226	#elif defined (NSIG)	227	#elif defined NSIG
227	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
228	#elif defined(_NSIG)	229	#elif defined _NSIG
229	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
230	#elif defined (SIGMAX)	231	#elif defined SIGMAX
231	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
232	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
233	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
234	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
235	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
236	#elif defined (MAXSIG)	237	#elif defined MAXSIG
237	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
238	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
239	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
240	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
241	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
242	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
243	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
244	#else	245	#else
245	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
246	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
247	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
259	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
260	# endif	261	# endif
261	#endif	262	#endif
262		263
263	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
264	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
265	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
266	# else	267	# else
267	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
268	# endif	269	# endif
269	#endif	270	#endif
…		…
359	#endif	360	#endif
360		361
361	/* 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, */
362	/* which makes programs even slower. might work on other unices, too. */	363	/* which makes programs even slower. might work on other unices, too. */
363	#if EV_USE_CLOCK_SYSCALL	364	#if EV_USE_CLOCK_SYSCALL
364	# include <syscall.h>	365	# include <sys/syscall.h>
365	# ifdef SYS_clock_gettime	366	# ifdef SYS_clock_gettime
366	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	367	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
367	# undef EV_USE_MONOTONIC	368	# undef EV_USE_MONOTONIC
368	# define EV_USE_MONOTONIC 1	369	# define EV_USE_MONOTONIC 1
369	# else	370	# else
…		…
395	# define EV_USE_INOTIFY 0	396	# define EV_USE_INOTIFY 0
396	#endif	397	#endif
397		398
398	#if !EV_USE_NANOSLEEP	399	#if !EV_USE_NANOSLEEP
399	/* 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 */
400	# if !defined(_WIN32) && !defined(__hpux)	401	# if !defined _WIN32 && !defined __hpux
401	# include <sys/select.h>	402	# include <sys/select.h>
402	# endif	403	# endif
403	#endif	404	#endif
404		405
405	#if EV_USE_INOTIFY	406	#if EV_USE_INOTIFY
…		…
408	/* 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 */
409	# ifndef IN_DONT_FOLLOW	410	# ifndef IN_DONT_FOLLOW
410	# undef EV_USE_INOTIFY	411	# undef EV_USE_INOTIFY
411	# define EV_USE_INOTIFY 0	412	# define EV_USE_INOTIFY 0
412	# endif	413	# endif
413	#endif
414
415	#if EV_SELECT_IS_WINSOCKET
416	# include <winsock.h>
417	#endif	414	#endif
418		415
419	#if EV_USE_EVENTFD	416	#if EV_USE_EVENTFD
420	/* 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 */
421	# include <stdint.h>	418	# include <stdint.h>
…		…
507	*/	504	*/
508		505
509	#ifndef ECB_H	506	#ifndef ECB_H
510	#define ECB_H	507	#define ECB_H
511		508
		509	/* 16 bits major, 16 bits minor */
		510	#define ECB_VERSION 0x00010001
		511
512	#ifdef _WIN32	512	#ifdef _WIN32
513	typedef signed char int8_t;	513	typedef signed char int8_t;
514	typedef unsigned char uint8_t;	514	typedef unsigned char uint8_t;
515	typedef signed short int16_t;	515	typedef signed short int16_t;
516	typedef unsigned short uint16_t;	516	typedef unsigned short uint16_t;
…		…
521	typedef unsigned long long uint64_t;	521	typedef unsigned long long uint64_t;
522	#else /* _MSC_VER || __BORLANDC__ */	522	#else /* _MSC_VER || __BORLANDC__ */
523	typedef signed __int64 int64_t;	523	typedef signed __int64 int64_t;
524	typedef unsigned __int64 uint64_t;	524	typedef unsigned __int64 uint64_t;
525	#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;
526	#else	536	#else
527	#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
528	#endif	543	#endif
529		544
530	/* many compilers define _GNUC_ to some versions but then only implement	545	/* many compilers define _GNUC_ to some versions but then only implement
531	* what their idiot authors think are the "more important" extensions,	546	* what their idiot authors think are the "more important" extensions,
532	* causing enormous grief in return for some better fake benchmark numbers.	547	* causing enormous grief in return for some better fake benchmark numbers.
533	* or so.	548	* or so.
534	* 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
535	* 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.
536	*/	551	*/
537	#ifndef ECB_GCC_VERSION	552	#ifndef ECB_GCC_VERSION
538	#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__
539	#define ECB_GCC_VERSION(major,minor) 0	554	#define ECB_GCC_VERSION(major,minor) 0
540	#else	555	#else
541	#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)))
542	#endif	557	#endif
543	#endif	558	#endif
544		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
545	/*****************************************************************************/	566	/*****************************************************************************/
546		567
547	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	568	/* 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 */	569	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
549		570
550	#if ECB_NO_THREADS	571	#if ECB_NO_THREADS
551	# define ECB_NO_SMP 1	572	#define ECB_NO_SMP 1
552	#endif	573	#endif
553		574
554	#if ECB_NO_THREADS || ECB_NO_SMP	575	#if ECB_NO_SMP
555	#define ECB_MEMORY_FENCE do { } while (0)	576	#define ECB_MEMORY_FENCE do { } while (0)
556	#endif	577	#endif
557		578
558	#ifndef ECB_MEMORY_FENCE	579	#ifndef ECB_MEMORY_FENCE
559	#if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	580	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
560	#if __i386 || __i386__	581	#if __i386 || __i386__
561	#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")
562	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	583	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
563	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	584	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
564	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	585	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
565	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	586	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
566	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	587	#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 */	588	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
568	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	589	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
569	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	590	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
570	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	591	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
571	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	592	|| 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")	593	#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__ ) \	594	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
574	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	595	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
575	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	596	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
576	#elif __sparc || __sparc__	597	#elif __sparc || __sparc__
577	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")	598	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
578	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	599	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
579	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	600	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
580	#elif defined(__s390__) || defined(__s390x__)	601	#elif defined __s390__ || defined __s390x__
581	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")	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")
582	#endif	612	#endif
583	#endif	613	#endif
584	#endif	614	#endif
585		615
586	#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)
587	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)	623	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
588	#define ECB_MEMORY_FENCE __sync_synchronize ()	624	#define ECB_MEMORY_FENCE __sync_synchronize ()
589	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
590	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
591	#elif _MSC_VER >= 1400 /* VC++ 2005 */	625	#elif _MSC_VER >= 1400 /* VC++ 2005 */
592	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	626	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
593	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	627	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
594	#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 */
595	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	629	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
596	#elif defined(_WIN32)	630	#elif defined _WIN32
597	#include <WinNT.h>	631	#include <WinNT.h>
598	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	632	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
599	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	633	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
600	#include <mbarrier.h>	634	#include <mbarrier.h>
601	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	635	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
602	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	636	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
603	#define ECB_MEMORY_FENCE_RELEASE __machine_w_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)
604	#endif	655	#endif
605	#endif	656	#endif
606		657
607	#ifndef ECB_MEMORY_FENCE	658	#ifndef ECB_MEMORY_FENCE
608	#if !ECB_AVOID_PTHREADS	659	#if !ECB_AVOID_PTHREADS
…		…
620	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	671	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
621	#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)
622	#endif	673	#endif
623	#endif	674	#endif
624		675
625	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	676	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
626	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	677	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
627	#endif	678	#endif
628		679
629	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	680	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
630	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	681	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
631	#endif	682	#endif
632		683
633	/*****************************************************************************/	684	/*****************************************************************************/
634
635	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
636		685
637	#if __cplusplus	686	#if __cplusplus
638	#define ecb_inline static inline	687	#define ecb_inline static inline
639	#elif ECB_GCC_VERSION(2,5)	688	#elif ECB_GCC_VERSION(2,5)
640	#define ecb_inline static __inline__	689	#define ecb_inline static __inline__
…		…
679	#elif ECB_GCC_VERSION(3,0)	728	#elif ECB_GCC_VERSION(3,0)
680	#define ecb_decltype(x) __typeof(x)	729	#define ecb_decltype(x) __typeof(x)
681	#endif	730	#endif
682		731
683	#define ecb_noinline ecb_attribute ((__noinline__))	732	#define ecb_noinline ecb_attribute ((__noinline__))
684	#define ecb_noreturn ecb_attribute ((__noreturn__))
685	#define ecb_unused ecb_attribute ((__unused__))	733	#define ecb_unused ecb_attribute ((__unused__))
686	#define ecb_const ecb_attribute ((__const__))	734	#define ecb_const ecb_attribute ((__const__))
687	#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
688		742
689	#if ECB_GCC_VERSION(4,3)	743	#if ECB_GCC_VERSION(4,3)
690	#define ecb_artificial ecb_attribute ((__artificial__))	744	#define ecb_artificial ecb_attribute ((__artificial__))
691	#define ecb_hot ecb_attribute ((__hot__))	745	#define ecb_hot ecb_attribute ((__hot__))
692	#define ecb_cold ecb_attribute ((__cold__))	746	#define ecb_cold ecb_attribute ((__cold__))
…		…
783		837
784	return r + ecb_ld32 (x);	838	return r + ecb_ld32 (x);
785	}	839	}
786	#endif	840	#endif
787		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
788	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	847	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
789	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	848	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
790	{	849	{
791	return ( (x * 0x0802U & 0x22110U)	850	return ( (x * 0x0802U & 0x22110U)
792	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	851	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
…		…
1099	{	1158	{
1100	write (STDERR_FILENO, msg, strlen (msg));	1159	write (STDERR_FILENO, msg, strlen (msg));
1101	}	1160	}
1102	#endif	1161	#endif
1103		1162
1104	static void (*syserr_cb)(const char *msg);	1163	static void (*syserr_cb)(const char *msg) EV_THROW;
1105		1164
1106	void ecb_cold	1165	void ecb_cold
1107	ev_set_syserr_cb (void (*cb)(const char *msg))	1166	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1108	{	1167	{
1109	syserr_cb = cb;	1168	syserr_cb = cb;
1110	}	1169	}
1111		1170
1112	static void noinline ecb_cold	1171	static void noinline ecb_cold
…		…
1130	abort ();	1189	abort ();
1131	}	1190	}
1132	}	1191	}
1133		1192
1134	static void *	1193	static void *
1135	ev_realloc_emul (void *ptr, long size)	1194	ev_realloc_emul (void *ptr, long size) EV_THROW
1136	{	1195	{
1137	#if __GLIBC__
1138	return realloc (ptr, size);
1139	#else
1140	/* some systems, notably openbsd and darwin, fail to properly	1196	/* some systems, notably openbsd and darwin, fail to properly
1141	* 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
1142	* 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.
1143	*/	1201	*/
1144		1202
1145	if (size)	1203	if (size)
1146	return realloc (ptr, size);	1204	return realloc (ptr, size);
1147		1205
1148	free (ptr);	1206	free (ptr);
1149	return 0;	1207	return 0;
1150	#endif
1151	}	1208	}
1152		1209
1153	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1210	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1154		1211
1155	void ecb_cold	1212	void ecb_cold
1156	ev_set_allocator (void *(*cb)(void *ptr, long size))	1213	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1157	{	1214	{
1158	alloc = cb;	1215	alloc = cb;
1159	}	1216	}
1160		1217
1161	inline_speed void *	1218	inline_speed void *
…		…
1278		1335
1279	/*****************************************************************************/	1336	/*****************************************************************************/
1280		1337
1281	#ifndef EV_HAVE_EV_TIME	1338	#ifndef EV_HAVE_EV_TIME
1282	ev_tstamp	1339	ev_tstamp
1283	ev_time (void)	1340	ev_time (void) EV_THROW
1284	{	1341	{
1285	#if EV_USE_REALTIME	1342	#if EV_USE_REALTIME
1286	if (expect_true (have_realtime))	1343	if (expect_true (have_realtime))
1287	{	1344	{
1288	struct timespec ts;	1345	struct timespec ts;
…		…
1312	return ev_time ();	1369	return ev_time ();
1313	}	1370	}
1314		1371
1315	#if EV_MULTIPLICITY	1372	#if EV_MULTIPLICITY
1316	ev_tstamp	1373	ev_tstamp
1317	ev_now (EV_P)	1374	ev_now (EV_P) EV_THROW
1318	{	1375	{
1319	return ev_rt_now;	1376	return ev_rt_now;
1320	}	1377	}
1321	#endif	1378	#endif
1322		1379
1323	void	1380	void
1324	ev_sleep (ev_tstamp delay)	1381	ev_sleep (ev_tstamp delay) EV_THROW
1325	{	1382	{
1326	if (delay > 0.)	1383	if (delay > 0.)
1327	{	1384	{
1328	#if EV_USE_NANOSLEEP	1385	#if EV_USE_NANOSLEEP
1329	struct timespec ts;	1386	struct timespec ts;
1330		1387
1331	EV_TS_SET (ts, delay);	1388	EV_TS_SET (ts, delay);
1332	nanosleep (&ts, 0);	1389	nanosleep (&ts, 0);
1333	#elif defined(_WIN32)	1390	#elif defined _WIN32
1334	Sleep ((unsigned long)(delay * 1e3));	1391	Sleep ((unsigned long)(delay * 1e3));
1335	#else	1392	#else
1336	struct timeval tv;	1393	struct timeval tv;
1337		1394
1338	/* 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 */
…		…
1410	pendingcb (EV_P_ ev_prepare *w, int revents)	1467	pendingcb (EV_P_ ev_prepare *w, int revents)
1411	{	1468	{
1412	}	1469	}
1413		1470
1414	void noinline	1471	void noinline
1415	ev_feed_event (EV_P_ void *w, int revents)	1472	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1416	{	1473	{
1417	W w_ = (W)w;	1474	W w_ = (W)w;
1418	int pri = ABSPRI (w_);	1475	int pri = ABSPRI (w_);
1419		1476
1420	if (expect_false (w_->pending))	1477	if (expect_false (w_->pending))
…		…
1424	w_->pending = ++pendingcnt [pri];	1481	w_->pending = ++pendingcnt [pri];
1425	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1482	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1426	pendings [pri][w_->pending - 1].w = w_;	1483	pendings [pri][w_->pending - 1].w = w_;
1427	pendings [pri][w_->pending - 1].events = revents;	1484	pendings [pri][w_->pending - 1].events = revents;
1428	}	1485	}
		1486
		1487	pendingpri = NUMPRI - 1;
1429	}	1488	}
1430		1489
1431	inline_speed void	1490	inline_speed void
1432	feed_reverse (EV_P_ W w)	1491	feed_reverse (EV_P_ W w)
1433	{	1492	{
…		…
1479	if (expect_true (!anfd->reify))	1538	if (expect_true (!anfd->reify))
1480	fd_event_nocheck (EV_A_ fd, revents);	1539	fd_event_nocheck (EV_A_ fd, revents);
1481	}	1540	}
1482		1541
1483	void	1542	void
1484	ev_feed_fd_event (EV_P_ int fd, int revents)	1543	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1485	{	1544	{
1486	if (fd >= 0 && fd < anfdmax)	1545	if (fd >= 0 && fd < anfdmax)
1487	fd_event_nocheck (EV_A_ fd, revents);	1546	fd_event_nocheck (EV_A_ fd, revents);
1488	}	1547	}
1489		1548
…		…
1808	static void noinline ecb_cold	1867	static void noinline ecb_cold
1809	evpipe_init (EV_P)	1868	evpipe_init (EV_P)
1810	{	1869	{
1811	if (!ev_is_active (&pipe_w))	1870	if (!ev_is_active (&pipe_w))
1812	{	1871	{
		1872	int fds [2];
		1873
1813	# if EV_USE_EVENTFD	1874	# if EV_USE_EVENTFD
		1875	fds [0] = -1;
1814	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	1876	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1815	if (evfd < 0 && errno == EINVAL)	1877	if (fds [1] < 0 && errno == EINVAL)
1816	evfd = eventfd (0, 0);	1878	fds [1] = eventfd (0, 0);
1817		1879
1818	if (evfd >= 0)	1880	if (fds [1] < 0)
		1881	# endif
1819	{	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
1820	evpipe [0] = -1;	1891	evpipe [0] = fds [0];
1821	fd_intern (evfd); /* doing it twice doesn't hurt */	1892
1822	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));
1823	}	1941	}
1824	else	1942	else
1825	# endif	1943	#endif
1826	{	1944	{
1827	while (pipe (evpipe))	1945	#ifdef _WIN32
1828	ev_syserr ("(libev) error creating signal/async pipe");	1946	WSABUF buf;
1829		1947	DWORD sent;
1830	fd_intern (evpipe [0]);	1948	buf.buf = &buf;
1831	fd_intern (evpipe [1]);	1949	buf.len = 1;
1832	ev_io_set (&pipe_w, evpipe [0], EV_READ);	1950	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1833	}	1951	#else
1834
1835	ev_io_start (EV_A_ &pipe_w);
1836	ev_unref (EV_A); /* watcher should not keep loop alive */
1837	}
1838	}
1839
1840	inline_speed void
1841	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1842	{
1843	if (expect_true (*flag))
1844	return;
1845
1846	*flag = 1;
1847
1848	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1849
1850	pipe_write_skipped = 1;
1851
1852	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1853
1854	if (pipe_write_wanted)
1855	{
1856	int old_errno;
1857
1858	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1859
1860	old_errno = errno; /* save errno because write will clobber it */
1861
1862	#if EV_USE_EVENTFD
1863	if (evfd >= 0)
1864	{
1865	uint64_t counter = 1;
1866	write (evfd, &counter, sizeof (uint64_t));
1867	}
1868	else
1869	#endif
1870	{
1871	/* win32 people keep sending patches that change this write() to send() */
1872	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1873	/* so when you think this write should be a send instead, please find out */
1874	/* where your send() is from - it's definitely not the microsoft send, and */
1875	/* tell me. thank you. */
1876	/* it might be that your problem is that your environment needs EV_USE_WSASOCKET */
1877	/* check the ev documentation on how to use this flag */
1878	write (evpipe [1], &(evpipe [1]), 1);	1952	write (evpipe [1], &(evpipe [1]), 1);
		1953	#endif
1879	}	1954	}
1880		1955
1881	errno = old_errno;	1956	errno = old_errno;
1882	}	1957	}
1883	}	1958	}
…		…
1890	int i;	1965	int i;
1891		1966
1892	if (revents & EV_READ)	1967	if (revents & EV_READ)
1893	{	1968	{
1894	#if EV_USE_EVENTFD	1969	#if EV_USE_EVENTFD
1895	if (evfd >= 0)	1970	if (evpipe [0] < 0)
1896	{	1971	{
1897	uint64_t counter;	1972	uint64_t counter;
1898	read (evfd, &counter, sizeof (uint64_t));	1973	read (evpipe [1], &counter, sizeof (uint64_t));
1899	}	1974	}
1900	else	1975	else
1901	#endif	1976	#endif
1902	{	1977	{
1903	char dummy;	1978	char dummy[4];
1904	/* 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
1905	read (evpipe [0], &dummy, 1);	1987	read (evpipe [0], &dummy, sizeof (dummy));
		1988	#endif
1906	}	1989	}
1907	}	1990	}
1908		1991
1909	pipe_write_skipped = 0;	1992	pipe_write_skipped = 0;
		1993
		1994	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1910		1995
1911	#if EV_SIGNAL_ENABLE	1996	#if EV_SIGNAL_ENABLE
1912	if (sig_pending)	1997	if (sig_pending)
1913	{	1998	{
1914	sig_pending = 0;	1999	sig_pending = 0;
		2000
		2001	ECB_MEMORY_FENCE;
1915		2002
1916	for (i = EV_NSIG - 1; i--; )	2003	for (i = EV_NSIG - 1; i--; )
1917	if (expect_false (signals [i].pending))	2004	if (expect_false (signals [i].pending))
1918	ev_feed_signal_event (EV_A_ i + 1);	2005	ev_feed_signal_event (EV_A_ i + 1);
1919	}	2006	}
…		…
1921		2008
1922	#if EV_ASYNC_ENABLE	2009	#if EV_ASYNC_ENABLE
1923	if (async_pending)	2010	if (async_pending)
1924	{	2011	{
1925	async_pending = 0;	2012	async_pending = 0;
		2013
		2014	ECB_MEMORY_FENCE;
1926		2015
1927	for (i = asynccnt; i--; )	2016	for (i = asynccnt; i--; )
1928	if (asyncs [i]->sent)	2017	if (asyncs [i]->sent)
1929	{	2018	{
1930	asyncs [i]->sent = 0;	2019	asyncs [i]->sent = 0;
		2020	ECB_MEMORY_FENCE_RELEASE;
1931	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2021	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1932	}	2022	}
1933	}	2023	}
1934	#endif	2024	#endif
1935	}	2025	}
1936		2026
1937	/*****************************************************************************/	2027	/*****************************************************************************/
1938		2028
1939	void	2029	void
1940	ev_feed_signal (int signum)	2030	ev_feed_signal (int signum) EV_THROW
1941	{	2031	{
1942	#if EV_MULTIPLICITY	2032	#if EV_MULTIPLICITY
1943	EV_P = signals [signum - 1].loop;	2033	EV_P = signals [signum - 1].loop;
1944		2034
1945	if (!EV_A)	2035	if (!EV_A)
1946	return;	2036	return;
1947	#endif	2037	#endif
1948		2038
1949	if (!ev_active (&pipe_w))
1950	return;
1951
1952	signals [signum - 1].pending = 1;	2039	signals [signum - 1].pending = 1;
1953	evpipe_write (EV_A_ &sig_pending);	2040	evpipe_write (EV_A_ &sig_pending);
1954	}	2041	}
1955		2042
1956	static void	2043	static void
…		…
1962		2049
1963	ev_feed_signal (signum);	2050	ev_feed_signal (signum);
1964	}	2051	}
1965		2052
1966	void noinline	2053	void noinline
1967	ev_feed_signal_event (EV_P_ int signum)	2054	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1968	{	2055	{
1969	WL w;	2056	WL w;
1970		2057
1971	if (expect_false (signum <= 0 || signum > EV_NSIG))	2058	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1972	return;	2059	return;
1973		2060
1974	--signum;	2061	--signum;
1975		2062
1976	#if EV_MULTIPLICITY	2063	#if EV_MULTIPLICITY
…		…
1980	if (expect_false (signals [signum].loop != EV_A))	2067	if (expect_false (signals [signum].loop != EV_A))
1981	return;	2068	return;
1982	#endif	2069	#endif
1983		2070
1984	signals [signum].pending = 0;	2071	signals [signum].pending = 0;
		2072	ECB_MEMORY_FENCE_RELEASE;
1985		2073
1986	for (w = signals [signum].head; w; w = w->next)	2074	for (w = signals [signum].head; w; w = w->next)
1987	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2075	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1988	}	2076	}
1989		2077
…		…
2088	#if EV_USE_SELECT	2176	#if EV_USE_SELECT
2089	# include "ev_select.c"	2177	# include "ev_select.c"
2090	#endif	2178	#endif
2091		2179
2092	int ecb_cold	2180	int ecb_cold
2093	ev_version_major (void)	2181	ev_version_major (void) EV_THROW
2094	{	2182	{
2095	return EV_VERSION_MAJOR;	2183	return EV_VERSION_MAJOR;
2096	}	2184	}
2097		2185
2098	int ecb_cold	2186	int ecb_cold
2099	ev_version_minor (void)	2187	ev_version_minor (void) EV_THROW
2100	{	2188	{
2101	return EV_VERSION_MINOR;	2189	return EV_VERSION_MINOR;
2102	}	2190	}
2103		2191
2104	/* return true if we are running with elevated privileges and should ignore env variables */	2192	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2112	|| getgid () != getegid ();	2200	|| getgid () != getegid ();
2113	#endif	2201	#endif
2114	}	2202	}
2115		2203
2116	unsigned int ecb_cold	2204	unsigned int ecb_cold
2117	ev_supported_backends (void)	2205	ev_supported_backends (void) EV_THROW
2118	{	2206	{
2119	unsigned int flags = 0;	2207	unsigned int flags = 0;
2120		2208
2121	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2209	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2122	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2210	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2126		2214
2127	return flags;	2215	return flags;
2128	}	2216	}
2129		2217
2130	unsigned int ecb_cold	2218	unsigned int ecb_cold
2131	ev_recommended_backends (void)	2219	ev_recommended_backends (void) EV_THROW
2132	{	2220	{
2133	unsigned int flags = ev_supported_backends ();	2221	unsigned int flags = ev_supported_backends ();
2134		2222
2135	#ifndef __NetBSD__	2223	#ifndef __NetBSD__
2136	/* kqueue is borked on everything but netbsd apparently */	2224	/* kqueue is borked on everything but netbsd apparently */
…		…
2148		2236
2149	return flags;	2237	return flags;
2150	}	2238	}
2151		2239
2152	unsigned int ecb_cold	2240	unsigned int ecb_cold
2153	ev_embeddable_backends (void)	2241	ev_embeddable_backends (void) EV_THROW
2154	{	2242	{
2155	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2243	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2156		2244
2157	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2245	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2158	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2246	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2160		2248
2161	return flags;	2249	return flags;
2162	}	2250	}
2163		2251
2164	unsigned int	2252	unsigned int
2165	ev_backend (EV_P)	2253	ev_backend (EV_P) EV_THROW
2166	{	2254	{
2167	return backend;	2255	return backend;
2168	}	2256	}
2169		2257
2170	#if EV_FEATURE_API	2258	#if EV_FEATURE_API
2171	unsigned int	2259	unsigned int
2172	ev_iteration (EV_P)	2260	ev_iteration (EV_P) EV_THROW
2173	{	2261	{
2174	return loop_count;	2262	return loop_count;
2175	}	2263	}
2176		2264
2177	unsigned int	2265	unsigned int
2178	ev_depth (EV_P)	2266	ev_depth (EV_P) EV_THROW
2179	{	2267	{
2180	return loop_depth;	2268	return loop_depth;
2181	}	2269	}
2182		2270
2183	void	2271	void
2184	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2272	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2185	{	2273	{
2186	io_blocktime = interval;	2274	io_blocktime = interval;
2187	}	2275	}
2188		2276
2189	void	2277	void
2190	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2278	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2191	{	2279	{
2192	timeout_blocktime = interval;	2280	timeout_blocktime = interval;
2193	}	2281	}
2194		2282
2195	void	2283	void
2196	ev_set_userdata (EV_P_ void *data)	2284	ev_set_userdata (EV_P_ void *data) EV_THROW
2197	{	2285	{
2198	userdata = data;	2286	userdata = data;
2199	}	2287	}
2200		2288
2201	void *	2289	void *
2202	ev_userdata (EV_P)	2290	ev_userdata (EV_P) EV_THROW
2203	{	2291	{
2204	return userdata;	2292	return userdata;
2205	}	2293	}
2206		2294
2207	void	2295	void
2208	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2296	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2209	{	2297	{
2210	invoke_cb = invoke_pending_cb;	2298	invoke_cb = invoke_pending_cb;
2211	}	2299	}
2212		2300
2213	void	2301	void
2214	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2302	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2215	{	2303	{
2216	release_cb = release;	2304	release_cb = release;
2217	acquire_cb = acquire;	2305	acquire_cb = acquire;
2218	}	2306	}
2219	#endif	2307	#endif
2220		2308
2221	/* initialise a loop structure, must be zero-initialised */	2309	/* initialise a loop structure, must be zero-initialised */
2222	static void noinline ecb_cold	2310	static void noinline ecb_cold
2223	loop_init (EV_P_ unsigned int flags)	2311	loop_init (EV_P_ unsigned int flags) EV_THROW
2224	{	2312	{
2225	if (!backend)	2313	if (!backend)
2226	{	2314	{
2227	origflags = flags;	2315	origflags = flags;
2228		2316
…		…
2273	#if EV_ASYNC_ENABLE	2361	#if EV_ASYNC_ENABLE
2274	async_pending = 0;	2362	async_pending = 0;
2275	#endif	2363	#endif
2276	pipe_write_skipped = 0;	2364	pipe_write_skipped = 0;
2277	pipe_write_wanted = 0;	2365	pipe_write_wanted = 0;
		2366	evpipe [0] = -1;
		2367	evpipe [1] = -1;
2278	#if EV_USE_INOTIFY	2368	#if EV_USE_INOTIFY
2279	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2369	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2280	#endif	2370	#endif
2281	#if EV_USE_SIGNALFD	2371	#if EV_USE_SIGNALFD
2282	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2372	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2333	EV_INVOKE_PENDING;	2423	EV_INVOKE_PENDING;
2334	}	2424	}
2335	#endif	2425	#endif
2336		2426
2337	#if EV_CHILD_ENABLE	2427	#if EV_CHILD_ENABLE
2338	if (ev_is_active (&childev))	2428	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2339	{	2429	{
2340	ev_ref (EV_A); /* child watcher */	2430	ev_ref (EV_A); /* child watcher */
2341	ev_signal_stop (EV_A_ &childev);	2431	ev_signal_stop (EV_A_ &childev);
2342	}	2432	}
2343	#endif	2433	#endif
…		…
2345	if (ev_is_active (&pipe_w))	2435	if (ev_is_active (&pipe_w))
2346	{	2436	{
2347	/*ev_ref (EV_A);*/	2437	/*ev_ref (EV_A);*/
2348	/*ev_io_stop (EV_A_ &pipe_w);*/	2438	/*ev_io_stop (EV_A_ &pipe_w);*/
2349		2439
2350	#if EV_USE_EVENTFD
2351	if (evfd >= 0)
2352	close (evfd);
2353	#endif
2354
2355	if (evpipe [0] >= 0)
2356	{
2357	EV_WIN32_CLOSE_FD (evpipe [0]);	2440	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2358	EV_WIN32_CLOSE_FD (evpipe [1]);	2441	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2359	}
2360	}	2442	}
2361		2443
2362	#if EV_USE_SIGNALFD	2444	#if EV_USE_SIGNALFD
2363	if (ev_is_active (&sigfd_w))	2445	if (ev_is_active (&sigfd_w))
2364	close (sigfd);	2446	close (sigfd);
…		…
2450	#endif	2532	#endif
2451	#if EV_USE_INOTIFY	2533	#if EV_USE_INOTIFY
2452	infy_fork (EV_A);	2534	infy_fork (EV_A);
2453	#endif	2535	#endif
2454		2536
		2537	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2455	if (ev_is_active (&pipe_w))	2538	if (ev_is_active (&pipe_w))
2456	{	2539	{
2457	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2540	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2458		2541
2459	ev_ref (EV_A);	2542	ev_ref (EV_A);
2460	ev_io_stop (EV_A_ &pipe_w);	2543	ev_io_stop (EV_A_ &pipe_w);
2461		2544
2462	#if EV_USE_EVENTFD
2463	if (evfd >= 0)
2464	close (evfd);
2465	#endif
2466
2467	if (evpipe [0] >= 0)	2545	if (evpipe [0] >= 0)
2468	{
2469	EV_WIN32_CLOSE_FD (evpipe [0]);	2546	EV_WIN32_CLOSE_FD (evpipe [0]);
2470	EV_WIN32_CLOSE_FD (evpipe [1]);
2471	}
2472		2547
2473	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2474	evpipe_init (EV_A);	2548	evpipe_init (EV_A);
2475	/* now iterate over everything, in case we missed something */	2549	/* iterate over everything, in case we missed something before */
2476	pipecb (EV_A_ &pipe_w, EV_READ);	2550	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2477	#endif
2478	}	2551	}
		2552	#endif
2479		2553
2480	postfork = 0;	2554	postfork = 0;
2481	}	2555	}
2482		2556
2483	#if EV_MULTIPLICITY	2557	#if EV_MULTIPLICITY
2484		2558
2485	struct ev_loop * ecb_cold	2559	struct ev_loop * ecb_cold
2486	ev_loop_new (unsigned int flags)	2560	ev_loop_new (unsigned int flags) EV_THROW
2487	{	2561	{
2488	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2562	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2489		2563
2490	memset (EV_A, 0, sizeof (struct ev_loop));	2564	memset (EV_A, 0, sizeof (struct ev_loop));
2491	loop_init (EV_A_ flags);	2565	loop_init (EV_A_ flags);
…		…
2535	}	2609	}
2536	#endif	2610	#endif
2537		2611
2538	#if EV_FEATURE_API	2612	#if EV_FEATURE_API
2539	void ecb_cold	2613	void ecb_cold
2540	ev_verify (EV_P)	2614	ev_verify (EV_P) EV_THROW
2541	{	2615	{
2542	#if EV_VERIFY	2616	#if EV_VERIFY
2543	int i;	2617	int i;
2544	WL w;	2618	WL w, w2;
2545		2619
2546	assert (activecnt >= -1);	2620	assert (activecnt >= -1);
2547		2621
2548	assert (fdchangemax >= fdchangecnt);	2622	assert (fdchangemax >= fdchangecnt);
2549	for (i = 0; i < fdchangecnt; ++i)	2623	for (i = 0; i < fdchangecnt; ++i)
2550	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2624	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2551		2625
2552	assert (anfdmax >= 0);	2626	assert (anfdmax >= 0);
2553	for (i = 0; i < anfdmax; ++i)	2627	for (i = 0; i < anfdmax; ++i)
		2628	{
		2629	int j = 0;
		2630
2554	for (w = anfds [i].head; w; w = w->next)	2631	for (w = w2 = anfds [i].head; w; w = w->next)
2555	{	2632	{
2556	verify_watcher (EV_A_ (W)w);	2633	verify_watcher (EV_A_ (W)w);
		2634
		2635	if (j++ & 1)
		2636	{
		2637	assert (("libev: io watcher list contains a loop", w != w2));
		2638	w2 = w2->next;
		2639	}
		2640
2557	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2641	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2558	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2642	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2559	}	2643	}
		2644	}
2560		2645
2561	assert (timermax >= timercnt);	2646	assert (timermax >= timercnt);
2562	verify_heap (EV_A_ timers, timercnt);	2647	verify_heap (EV_A_ timers, timercnt);
2563		2648
2564	#if EV_PERIODIC_ENABLE	2649	#if EV_PERIODIC_ENABLE
…		…
2614	#if EV_MULTIPLICITY	2699	#if EV_MULTIPLICITY
2615	struct ev_loop * ecb_cold	2700	struct ev_loop * ecb_cold
2616	#else	2701	#else
2617	int	2702	int
2618	#endif	2703	#endif
2619	ev_default_loop (unsigned int flags)	2704	ev_default_loop (unsigned int flags) EV_THROW
2620	{	2705	{
2621	if (!ev_default_loop_ptr)	2706	if (!ev_default_loop_ptr)
2622	{	2707	{
2623	#if EV_MULTIPLICITY	2708	#if EV_MULTIPLICITY
2624	EV_P = ev_default_loop_ptr = &default_loop_struct;	2709	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2643		2728
2644	return ev_default_loop_ptr;	2729	return ev_default_loop_ptr;
2645	}	2730	}
2646		2731
2647	void	2732	void
2648	ev_loop_fork (EV_P)	2733	ev_loop_fork (EV_P) EV_THROW
2649	{	2734	{
2650	postfork = 1; /* must be in line with ev_default_fork */	2735	postfork = 1;
2651	}	2736	}
2652		2737
2653	/*****************************************************************************/	2738	/*****************************************************************************/
2654		2739
2655	void	2740	void
…		…
2657	{	2742	{
2658	EV_CB_INVOKE ((W)w, revents);	2743	EV_CB_INVOKE ((W)w, revents);
2659	}	2744	}
2660		2745
2661	unsigned int	2746	unsigned int
2662	ev_pending_count (EV_P)	2747	ev_pending_count (EV_P) EV_THROW
2663	{	2748	{
2664	int pri;	2749	int pri;
2665	unsigned int count = 0;	2750	unsigned int count = 0;
2666		2751
2667	for (pri = NUMPRI; pri--; )	2752	for (pri = NUMPRI; pri--; )
…		…
2671	}	2756	}
2672		2757
2673	void noinline	2758	void noinline
2674	ev_invoke_pending (EV_P)	2759	ev_invoke_pending (EV_P)
2675	{	2760	{
2676	int pri;	2761	pendingpri = NUMPRI;
2677		2762
2678	for (pri = NUMPRI; pri--; )	2763	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2764	{
		2765	--pendingpri;
		2766
2679	while (pendingcnt [pri])	2767	while (pendingcnt [pendingpri])
2680	{	2768	{
2681	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2769	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2682		2770
2683	p->w->pending = 0;	2771	p->w->pending = 0;
2684	EV_CB_INVOKE (p->w, p->events);	2772	EV_CB_INVOKE (p->w, p->events);
2685	EV_FREQUENT_CHECK;	2773	EV_FREQUENT_CHECK;
2686	}	2774	}
		2775	}
2687	}	2776	}
2688		2777
2689	#if EV_IDLE_ENABLE	2778	#if EV_IDLE_ENABLE
2690	/* make idle watchers pending. this handles the "call-idle */	2779	/* make idle watchers pending. this handles the "call-idle */
2691	/* only when higher priorities are idle" logic */	2780	/* only when higher priorities are idle" logic */
…		…
2781	{	2870	{
2782	EV_FREQUENT_CHECK;	2871	EV_FREQUENT_CHECK;
2783		2872
2784	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	2873	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2785	{	2874	{
2786	int feed_count = 0;
2787
2788	do	2875	do
2789	{	2876	{
2790	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	2877	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2791		2878
2792	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	2879	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2926		3013
2927	mn_now = ev_rt_now;	3014	mn_now = ev_rt_now;
2928	}	3015	}
2929	}	3016	}
2930		3017
2931	void	3018	int
2932	ev_run (EV_P_ int flags)	3019	ev_run (EV_P_ int flags)
2933	{	3020	{
2934	#if EV_FEATURE_API	3021	#if EV_FEATURE_API
2935	++loop_depth;	3022	++loop_depth;
2936	#endif	3023	#endif
…		…
3051	backend_poll (EV_A_ waittime);	3138	backend_poll (EV_A_ waittime);
3052	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3139	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3053		3140
3054	pipe_write_wanted = 0; /* just an optimisation, no fence needed */	3141	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3055		3142
		3143	ECB_MEMORY_FENCE_ACQUIRE;
3056	if (pipe_write_skipped)	3144	if (pipe_write_skipped)
3057	{	3145	{
3058	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3146	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3059	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3147	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3060	}	3148	}
…		…
3093	loop_done = EVBREAK_CANCEL;	3181	loop_done = EVBREAK_CANCEL;
3094		3182
3095	#if EV_FEATURE_API	3183	#if EV_FEATURE_API
3096	--loop_depth;	3184	--loop_depth;
3097	#endif	3185	#endif
		3186
		3187	return activecnt;
3098	}	3188	}
3099		3189
3100	void	3190	void
3101	ev_break (EV_P_ int how)	3191	ev_break (EV_P_ int how) EV_THROW
3102	{	3192	{
3103	loop_done = how;	3193	loop_done = how;
3104	}	3194	}
3105		3195
3106	void	3196	void
3107	ev_ref (EV_P)	3197	ev_ref (EV_P) EV_THROW
3108	{	3198	{
3109	++activecnt;	3199	++activecnt;
3110	}	3200	}
3111		3201
3112	void	3202	void
3113	ev_unref (EV_P)	3203	ev_unref (EV_P) EV_THROW
3114	{	3204	{
3115	--activecnt;	3205	--activecnt;
3116	}	3206	}
3117		3207
3118	void	3208	void
3119	ev_now_update (EV_P)	3209	ev_now_update (EV_P) EV_THROW
3120	{	3210	{
3121	time_update (EV_A_ 1e100);	3211	time_update (EV_A_ 1e100);
3122	}	3212	}
3123		3213
3124	void	3214	void
3125	ev_suspend (EV_P)	3215	ev_suspend (EV_P) EV_THROW
3126	{	3216	{
3127	ev_now_update (EV_A);	3217	ev_now_update (EV_A);
3128	}	3218	}
3129		3219
3130	void	3220	void
3131	ev_resume (EV_P)	3221	ev_resume (EV_P) EV_THROW
3132	{	3222	{
3133	ev_tstamp mn_prev = mn_now;	3223	ev_tstamp mn_prev = mn_now;
3134		3224
3135	ev_now_update (EV_A);	3225	ev_now_update (EV_A);
3136	timers_reschedule (EV_A_ mn_now - mn_prev);	3226	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3175	w->pending = 0;	3265	w->pending = 0;
3176	}	3266	}
3177	}	3267	}
3178		3268
3179	int	3269	int
3180	ev_clear_pending (EV_P_ void *w)	3270	ev_clear_pending (EV_P_ void *w) EV_THROW
3181	{	3271	{
3182	W w_ = (W)w;	3272	W w_ = (W)w;
3183	int pending = w_->pending;	3273	int pending = w_->pending;
3184		3274
3185	if (expect_true (pending))	3275	if (expect_true (pending))
…		…
3218	}	3308	}
3219		3309
3220	/*****************************************************************************/	3310	/*****************************************************************************/
3221		3311
3222	void noinline	3312	void noinline
3223	ev_io_start (EV_P_ ev_io *w)	3313	ev_io_start (EV_P_ ev_io *w) EV_THROW
3224	{	3314	{
3225	int fd = w->fd;	3315	int fd = w->fd;
3226		3316
3227	if (expect_false (ev_is_active (w)))	3317	if (expect_false (ev_is_active (w)))
3228	return;	3318	return;
…		…
3234		3324
3235	ev_start (EV_A_ (W)w, 1);	3325	ev_start (EV_A_ (W)w, 1);
3236	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3326	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3237	wlist_add (&anfds[fd].head, (WL)w);	3327	wlist_add (&anfds[fd].head, (WL)w);
3238		3328
		3329	/* common bug, apparently */
		3330	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3331
3239	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3332	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3240	w->events &= ~EV__IOFDSET;	3333	w->events &= ~EV__IOFDSET;
3241		3334
3242	EV_FREQUENT_CHECK;	3335	EV_FREQUENT_CHECK;
3243	}	3336	}
3244		3337
3245	void noinline	3338	void noinline
3246	ev_io_stop (EV_P_ ev_io *w)	3339	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3247	{	3340	{
3248	clear_pending (EV_A_ (W)w);	3341	clear_pending (EV_A_ (W)w);
3249	if (expect_false (!ev_is_active (w)))	3342	if (expect_false (!ev_is_active (w)))
3250	return;	3343	return;
3251		3344
…		…
3260		3353
3261	EV_FREQUENT_CHECK;	3354	EV_FREQUENT_CHECK;
3262	}	3355	}
3263		3356
3264	void noinline	3357	void noinline
3265	ev_timer_start (EV_P_ ev_timer *w)	3358	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3266	{	3359	{
3267	if (expect_false (ev_is_active (w)))	3360	if (expect_false (ev_is_active (w)))
3268	return;	3361	return;
3269		3362
3270	ev_at (w) += mn_now;	3363	ev_at (w) += mn_now;
…		…
3284		3377
3285	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3378	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3286	}	3379	}
3287		3380
3288	void noinline	3381	void noinline
3289	ev_timer_stop (EV_P_ ev_timer *w)	3382	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3290	{	3383	{
3291	clear_pending (EV_A_ (W)w);	3384	clear_pending (EV_A_ (W)w);
3292	if (expect_false (!ev_is_active (w)))	3385	if (expect_false (!ev_is_active (w)))
3293	return;	3386	return;
3294		3387
…		…
3314		3407
3315	EV_FREQUENT_CHECK;	3408	EV_FREQUENT_CHECK;
3316	}	3409	}
3317		3410
3318	void noinline	3411	void noinline
3319	ev_timer_again (EV_P_ ev_timer *w)	3412	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3320	{	3413	{
3321	EV_FREQUENT_CHECK;	3414	EV_FREQUENT_CHECK;
3322		3415
3323	clear_pending (EV_A_ (W)w);	3416	clear_pending (EV_A_ (W)w);
3324		3417
…		…
3341		3434
3342	EV_FREQUENT_CHECK;	3435	EV_FREQUENT_CHECK;
3343	}	3436	}
3344		3437
3345	ev_tstamp	3438	ev_tstamp
3346	ev_timer_remaining (EV_P_ ev_timer *w)	3439	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3347	{	3440	{
3348	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3441	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3349	}	3442	}
3350		3443
3351	#if EV_PERIODIC_ENABLE	3444	#if EV_PERIODIC_ENABLE
3352	void noinline	3445	void noinline
3353	ev_periodic_start (EV_P_ ev_periodic *w)	3446	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3354	{	3447	{
3355	if (expect_false (ev_is_active (w)))	3448	if (expect_false (ev_is_active (w)))
3356	return;	3449	return;
3357		3450
3358	if (w->reschedule_cb)	3451	if (w->reschedule_cb)
…		…
3378		3471
3379	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3472	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3380	}	3473	}
3381		3474
3382	void noinline	3475	void noinline
3383	ev_periodic_stop (EV_P_ ev_periodic *w)	3476	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3384	{	3477	{
3385	clear_pending (EV_A_ (W)w);	3478	clear_pending (EV_A_ (W)w);
3386	if (expect_false (!ev_is_active (w)))	3479	if (expect_false (!ev_is_active (w)))
3387	return;	3480	return;
3388		3481
…		…
3406		3499
3407	EV_FREQUENT_CHECK;	3500	EV_FREQUENT_CHECK;
3408	}	3501	}
3409		3502
3410	void noinline	3503	void noinline
3411	ev_periodic_again (EV_P_ ev_periodic *w)	3504	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3412	{	3505	{
3413	/* TODO: use adjustheap and recalculation */	3506	/* TODO: use adjustheap and recalculation */
3414	ev_periodic_stop (EV_A_ w);	3507	ev_periodic_stop (EV_A_ w);
3415	ev_periodic_start (EV_A_ w);	3508	ev_periodic_start (EV_A_ w);
3416	}	3509	}
…		…
3421	#endif	3514	#endif
3422		3515
3423	#if EV_SIGNAL_ENABLE	3516	#if EV_SIGNAL_ENABLE
3424		3517
3425	void noinline	3518	void noinline
3426	ev_signal_start (EV_P_ ev_signal *w)	3519	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3427	{	3520	{
3428	if (expect_false (ev_is_active (w)))	3521	if (expect_false (ev_is_active (w)))
3429	return;	3522	return;
3430		3523
3431	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3524	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3502		3595
3503	EV_FREQUENT_CHECK;	3596	EV_FREQUENT_CHECK;
3504	}	3597	}
3505		3598
3506	void noinline	3599	void noinline
3507	ev_signal_stop (EV_P_ ev_signal *w)	3600	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3508	{	3601	{
3509	clear_pending (EV_A_ (W)w);	3602	clear_pending (EV_A_ (W)w);
3510	if (expect_false (!ev_is_active (w)))	3603	if (expect_false (!ev_is_active (w)))
3511	return;	3604	return;
3512		3605
…		…
3543	#endif	3636	#endif
3544		3637
3545	#if EV_CHILD_ENABLE	3638	#if EV_CHILD_ENABLE
3546		3639
3547	void	3640	void
3548	ev_child_start (EV_P_ ev_child *w)	3641	ev_child_start (EV_P_ ev_child *w) EV_THROW
3549	{	3642	{
3550	#if EV_MULTIPLICITY	3643	#if EV_MULTIPLICITY
3551	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3644	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3552	#endif	3645	#endif
3553	if (expect_false (ev_is_active (w)))	3646	if (expect_false (ev_is_active (w)))
…		…
3560		3653
3561	EV_FREQUENT_CHECK;	3654	EV_FREQUENT_CHECK;
3562	}	3655	}
3563		3656
3564	void	3657	void
3565	ev_child_stop (EV_P_ ev_child *w)	3658	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3566	{	3659	{
3567	clear_pending (EV_A_ (W)w);	3660	clear_pending (EV_A_ (W)w);
3568	if (expect_false (!ev_is_active (w)))	3661	if (expect_false (!ev_is_active (w)))
3569	return;	3662	return;
3570		3663
…		…
3737	}	3830	}
3738		3831
3739	inline_size int	3832	inline_size int
3740	infy_newfd (void)	3833	infy_newfd (void)
3741	{	3834	{
3742	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	3835	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3743	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	3836	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3744	if (fd >= 0)	3837	if (fd >= 0)
3745	return fd;	3838	return fd;
3746	#endif	3839	#endif
3747	return inotify_init ();	3840	return inotify_init ();
…		…
3822	#else	3915	#else
3823	# define EV_LSTAT(p,b) lstat (p, b)	3916	# define EV_LSTAT(p,b) lstat (p, b)
3824	#endif	3917	#endif
3825		3918
3826	void	3919	void
3827	ev_stat_stat (EV_P_ ev_stat *w)	3920	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3828	{	3921	{
3829	if (lstat (w->path, &w->attr) < 0)	3922	if (lstat (w->path, &w->attr) < 0)
3830	w->attr.st_nlink = 0;	3923	w->attr.st_nlink = 0;
3831	else if (!w->attr.st_nlink)	3924	else if (!w->attr.st_nlink)
3832	w->attr.st_nlink = 1;	3925	w->attr.st_nlink = 1;
…		…
3871	ev_feed_event (EV_A_ w, EV_STAT);	3964	ev_feed_event (EV_A_ w, EV_STAT);
3872	}	3965	}
3873	}	3966	}
3874		3967
3875	void	3968	void
3876	ev_stat_start (EV_P_ ev_stat *w)	3969	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3877	{	3970	{
3878	if (expect_false (ev_is_active (w)))	3971	if (expect_false (ev_is_active (w)))
3879	return;	3972	return;
3880		3973
3881	ev_stat_stat (EV_A_ w);	3974	ev_stat_stat (EV_A_ w);
…		…
3902		3995
3903	EV_FREQUENT_CHECK;	3996	EV_FREQUENT_CHECK;
3904	}	3997	}
3905		3998
3906	void	3999	void
3907	ev_stat_stop (EV_P_ ev_stat *w)	4000	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3908	{	4001	{
3909	clear_pending (EV_A_ (W)w);	4002	clear_pending (EV_A_ (W)w);
3910	if (expect_false (!ev_is_active (w)))	4003	if (expect_false (!ev_is_active (w)))
3911	return;	4004	return;
3912		4005
…		…
3928	}	4021	}
3929	#endif	4022	#endif
3930		4023
3931	#if EV_IDLE_ENABLE	4024	#if EV_IDLE_ENABLE
3932	void	4025	void
3933	ev_idle_start (EV_P_ ev_idle *w)	4026	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3934	{	4027	{
3935	if (expect_false (ev_is_active (w)))	4028	if (expect_false (ev_is_active (w)))
3936	return;	4029	return;
3937		4030
3938	pri_adjust (EV_A_ (W)w);	4031	pri_adjust (EV_A_ (W)w);
…		…
3951		4044
3952	EV_FREQUENT_CHECK;	4045	EV_FREQUENT_CHECK;
3953	}	4046	}
3954		4047
3955	void	4048	void
3956	ev_idle_stop (EV_P_ ev_idle *w)	4049	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3957	{	4050	{
3958	clear_pending (EV_A_ (W)w);	4051	clear_pending (EV_A_ (W)w);
3959	if (expect_false (!ev_is_active (w)))	4052	if (expect_false (!ev_is_active (w)))
3960	return;	4053	return;
3961		4054
…		…
3975	}	4068	}
3976	#endif	4069	#endif
3977		4070
3978	#if EV_PREPARE_ENABLE	4071	#if EV_PREPARE_ENABLE
3979	void	4072	void
3980	ev_prepare_start (EV_P_ ev_prepare *w)	4073	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3981	{	4074	{
3982	if (expect_false (ev_is_active (w)))	4075	if (expect_false (ev_is_active (w)))
3983	return;	4076	return;
3984		4077
3985	EV_FREQUENT_CHECK;	4078	EV_FREQUENT_CHECK;
…		…
3990		4083
3991	EV_FREQUENT_CHECK;	4084	EV_FREQUENT_CHECK;
3992	}	4085	}
3993		4086
3994	void	4087	void
3995	ev_prepare_stop (EV_P_ ev_prepare *w)	4088	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3996	{	4089	{
3997	clear_pending (EV_A_ (W)w);	4090	clear_pending (EV_A_ (W)w);
3998	if (expect_false (!ev_is_active (w)))	4091	if (expect_false (!ev_is_active (w)))
3999	return;	4092	return;
4000		4093
…		…
4013	}	4106	}
4014	#endif	4107	#endif
4015		4108
4016	#if EV_CHECK_ENABLE	4109	#if EV_CHECK_ENABLE
4017	void	4110	void
4018	ev_check_start (EV_P_ ev_check *w)	4111	ev_check_start (EV_P_ ev_check *w) EV_THROW
4019	{	4112	{
4020	if (expect_false (ev_is_active (w)))	4113	if (expect_false (ev_is_active (w)))
4021	return;	4114	return;
4022		4115
4023	EV_FREQUENT_CHECK;	4116	EV_FREQUENT_CHECK;
…		…
4028		4121
4029	EV_FREQUENT_CHECK;	4122	EV_FREQUENT_CHECK;
4030	}	4123	}
4031		4124
4032	void	4125	void
4033	ev_check_stop (EV_P_ ev_check *w)	4126	ev_check_stop (EV_P_ ev_check *w) EV_THROW
4034	{	4127	{
4035	clear_pending (EV_A_ (W)w);	4128	clear_pending (EV_A_ (W)w);
4036	if (expect_false (!ev_is_active (w)))	4129	if (expect_false (!ev_is_active (w)))
4037	return;	4130	return;
4038		4131
…		…
4051	}	4144	}
4052	#endif	4145	#endif
4053		4146
4054	#if EV_EMBED_ENABLE	4147	#if EV_EMBED_ENABLE
4055	void noinline	4148	void noinline
4056	ev_embed_sweep (EV_P_ ev_embed *w)	4149	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4057	{	4150	{
4058	ev_run (w->other, EVRUN_NOWAIT);	4151	ev_run (w->other, EVRUN_NOWAIT);
4059	}	4152	}
4060		4153
4061	static void	4154	static void
…		…
4109	ev_idle_stop (EV_A_ idle);	4202	ev_idle_stop (EV_A_ idle);
4110	}	4203	}
4111	#endif	4204	#endif
4112		4205
4113	void	4206	void
4114	ev_embed_start (EV_P_ ev_embed *w)	4207	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4115	{	4208	{
4116	if (expect_false (ev_is_active (w)))	4209	if (expect_false (ev_is_active (w)))
4117	return;	4210	return;
4118		4211
4119	{	4212	{
…		…
4140		4233
4141	EV_FREQUENT_CHECK;	4234	EV_FREQUENT_CHECK;
4142	}	4235	}
4143		4236
4144	void	4237	void
4145	ev_embed_stop (EV_P_ ev_embed *w)	4238	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4146	{	4239	{
4147	clear_pending (EV_A_ (W)w);	4240	clear_pending (EV_A_ (W)w);
4148	if (expect_false (!ev_is_active (w)))	4241	if (expect_false (!ev_is_active (w)))
4149	return;	4242	return;
4150		4243
…		…
4160	}	4253	}
4161	#endif	4254	#endif
4162		4255
4163	#if EV_FORK_ENABLE	4256	#if EV_FORK_ENABLE
4164	void	4257	void
4165	ev_fork_start (EV_P_ ev_fork *w)	4258	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4166	{	4259	{
4167	if (expect_false (ev_is_active (w)))	4260	if (expect_false (ev_is_active (w)))
4168	return;	4261	return;
4169		4262
4170	EV_FREQUENT_CHECK;	4263	EV_FREQUENT_CHECK;
…		…
4175		4268
4176	EV_FREQUENT_CHECK;	4269	EV_FREQUENT_CHECK;
4177	}	4270	}
4178		4271
4179	void	4272	void
4180	ev_fork_stop (EV_P_ ev_fork *w)	4273	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4181	{	4274	{
4182	clear_pending (EV_A_ (W)w);	4275	clear_pending (EV_A_ (W)w);
4183	if (expect_false (!ev_is_active (w)))	4276	if (expect_false (!ev_is_active (w)))
4184	return;	4277	return;
4185		4278
…		…
4198	}	4291	}
4199	#endif	4292	#endif
4200		4293
4201	#if EV_CLEANUP_ENABLE	4294	#if EV_CLEANUP_ENABLE
4202	void	4295	void
4203	ev_cleanup_start (EV_P_ ev_cleanup *w)	4296	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4204	{	4297	{
4205	if (expect_false (ev_is_active (w)))	4298	if (expect_false (ev_is_active (w)))
4206	return;	4299	return;
4207		4300
4208	EV_FREQUENT_CHECK;	4301	EV_FREQUENT_CHECK;
…		…
4215	ev_unref (EV_A);	4308	ev_unref (EV_A);
4216	EV_FREQUENT_CHECK;	4309	EV_FREQUENT_CHECK;
4217	}	4310	}
4218		4311
4219	void	4312	void
4220	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4313	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4221	{	4314	{
4222	clear_pending (EV_A_ (W)w);	4315	clear_pending (EV_A_ (W)w);
4223	if (expect_false (!ev_is_active (w)))	4316	if (expect_false (!ev_is_active (w)))
4224	return;	4317	return;
4225		4318
…		…
4239	}	4332	}
4240	#endif	4333	#endif
4241		4334
4242	#if EV_ASYNC_ENABLE	4335	#if EV_ASYNC_ENABLE
4243	void	4336	void
4244	ev_async_start (EV_P_ ev_async *w)	4337	ev_async_start (EV_P_ ev_async *w) EV_THROW
4245	{	4338	{
4246	if (expect_false (ev_is_active (w)))	4339	if (expect_false (ev_is_active (w)))
4247	return;	4340	return;
4248		4341
4249	w->sent = 0;	4342	w->sent = 0;
…		…
4258		4351
4259	EV_FREQUENT_CHECK;	4352	EV_FREQUENT_CHECK;
4260	}	4353	}
4261		4354
4262	void	4355	void
4263	ev_async_stop (EV_P_ ev_async *w)	4356	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4264	{	4357	{
4265	clear_pending (EV_A_ (W)w);	4358	clear_pending (EV_A_ (W)w);
4266	if (expect_false (!ev_is_active (w)))	4359	if (expect_false (!ev_is_active (w)))
4267	return;	4360	return;
4268		4361
…		…
4279		4372
4280	EV_FREQUENT_CHECK;	4373	EV_FREQUENT_CHECK;
4281	}	4374	}
4282		4375
4283	void	4376	void
4284	ev_async_send (EV_P_ ev_async *w)	4377	ev_async_send (EV_P_ ev_async *w) EV_THROW
4285	{	4378	{
4286	w->sent = 1;	4379	w->sent = 1;
4287	evpipe_write (EV_A_ &async_pending);	4380	evpipe_write (EV_A_ &async_pending);
4288	}	4381	}
4289	#endif	4382	#endif
…		…
4326		4419
4327	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4420	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4328	}	4421	}
4329		4422
4330	void	4423	void
4331	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4424	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4332	{	4425	{
4333	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4426	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4334		4427
4335	if (expect_false (!once))	4428	if (expect_false (!once))
4336	{	4429	{
…		…
4358		4451
4359	/*****************************************************************************/	4452	/*****************************************************************************/
4360		4453
4361	#if EV_WALK_ENABLE	4454	#if EV_WALK_ENABLE
4362	void ecb_cold	4455	void ecb_cold
4363	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4456	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4364	{	4457	{
4365	int i, j;	4458	int i, j;
4366	ev_watcher_list *wl, *wn;	4459	ev_watcher_list *wl, *wn;
4367		4460
4368	if (types & (EV_IO | EV_EMBED))	4461	if (types & (EV_IO | EV_EMBED))

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