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Comparing libev/ev.c (file contents):
Revision 1.406 by root, Tue Jan 24 16:37:12 2012 UTC vs.
Revision 1.452 by root, Mon Feb 18 03:20:29 2013 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
59	# endif	59	# endif
60	# ifndef EV_USE_MONOTONIC	60	# ifndef EV_USE_MONOTONIC
61	# define EV_USE_MONOTONIC 1	61	# define EV_USE_MONOTONIC 1
62	# endif	62	# endif
63	# endif	63	# endif
64	# elif !defined(EV_USE_CLOCK_SYSCALL)	64	# elif !defined EV_USE_CLOCK_SYSCALL
65	# define EV_USE_CLOCK_SYSCALL 0	65	# define EV_USE_CLOCK_SYSCALL 0
66	# endif	66	# endif
67		67
68	# if HAVE_CLOCK_GETTIME	68	# if HAVE_CLOCK_GETTIME
69	# ifndef EV_USE_MONOTONIC	69	# ifndef EV_USE_MONOTONIC
…		…
183	# include EV_H	183	# include EV_H
184	#else	184	#else
185	# include "ev.h"	185	# include "ev.h"
186	#endif	186	#endif
187		187
		188	#if EV_NO_THREADS
		189	# undef EV_NO_SMP
		190	# define EV_NO_SMP 1
		191	# undef ECB_NO_THREADS
		192	# define ECB_NO_THREADS 1
		193	#endif
		194	#if EV_NO_SMP
		195	# undef EV_NO_SMP
		196	# define ECB_NO_SMP 1
		197	#endif
		198
188	#ifndef _WIN32	199	#ifndef _WIN32
189	# include <sys/time.h>	200	# include <sys/time.h>
190	# include <sys/wait.h>	201	# include <sys/wait.h>
191	# include <unistd.h>	202	# include <unistd.h>
192	#else	203	#else
193	# include <io.h>	204	# include <io.h>
194	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
195	# include <windows.h>	207	# include <windows.h>
196	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
197	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
198	# endif	210	# endif
199	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
208	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
209		221
210	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
211		223
212	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
213	#if defined (EV_NSIG)	225	#if defined EV_NSIG
214	/* use what's provided */	226	/* use what's provided */
215	#elif defined (NSIG)	227	#elif defined NSIG
216	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
217	#elif defined(_NSIG)	229	#elif defined _NSIG
218	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
219	#elif defined (SIGMAX)	231	#elif defined SIGMAX
220	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
221	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
222	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
223	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
224	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
225	#elif defined (MAXSIG)	237	#elif defined MAXSIG
226	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
227	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
228	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
229	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
230	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
231	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
232	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
233	#else	245	#else
234	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
235	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
236	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
248	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
249	# endif	261	# endif
250	#endif	262	#endif
251		263
252	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
253	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
254	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
255	# else	267	# else
256	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
257	# endif	269	# endif
258	#endif	270	#endif
…		…
345		357
346	#ifndef EV_HEAP_CACHE_AT	358	#ifndef EV_HEAP_CACHE_AT
347	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
348	#endif	360	#endif
349		361
		362	#ifdef ANDROID
		363	/* supposedly, android doesn't typedef fd_mask */
		364	# undef EV_USE_SELECT
		365	# define EV_USE_SELECT 0
		366	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		367	# undef EV_USE_CLOCK_SYSCALL
		368	# define EV_USE_CLOCK_SYSCALL 0
		369	#endif
		370
		371	/* aix's poll.h seems to cause lots of trouble */
		372	#ifdef _AIX
		373	/* AIX has a completely broken poll.h header */
		374	# undef EV_USE_POLL
		375	# define EV_USE_POLL 0
		376	#endif
		377
350	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	378	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
351	/* which makes programs even slower. might work on other unices, too. */	379	/* which makes programs even slower. might work on other unices, too. */
352	#if EV_USE_CLOCK_SYSCALL	380	#if EV_USE_CLOCK_SYSCALL
353	# include <syscall.h>	381	# include <sys/syscall.h>
354	# ifdef SYS_clock_gettime	382	# ifdef SYS_clock_gettime
355	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	383	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
356	# undef EV_USE_MONOTONIC	384	# undef EV_USE_MONOTONIC
357	# define EV_USE_MONOTONIC 1	385	# define EV_USE_MONOTONIC 1
358	# else	386	# else
…		…
361	# endif	389	# endif
362	#endif	390	#endif
363		391
364	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	392	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
365		393
366	#ifdef _AIX
367	/* AIX has a completely broken poll.h header */
368	# undef EV_USE_POLL
369	# define EV_USE_POLL 0
370	#endif
371
372	#ifndef CLOCK_MONOTONIC	394	#ifndef CLOCK_MONOTONIC
373	# undef EV_USE_MONOTONIC	395	# undef EV_USE_MONOTONIC
374	# define EV_USE_MONOTONIC 0	396	# define EV_USE_MONOTONIC 0
375	#endif	397	#endif
376		398
…		…
384	# define EV_USE_INOTIFY 0	406	# define EV_USE_INOTIFY 0
385	#endif	407	#endif
386		408
387	#if !EV_USE_NANOSLEEP	409	#if !EV_USE_NANOSLEEP
388	/* hp-ux has it in sys/time.h, which we unconditionally include above */	410	/* hp-ux has it in sys/time.h, which we unconditionally include above */
389	# if !defined(_WIN32) && !defined(__hpux)	411	# if !defined _WIN32 && !defined __hpux
390	# include <sys/select.h>	412	# include <sys/select.h>
391	# endif	413	# endif
392	#endif	414	#endif
393		415
394	#if EV_USE_INOTIFY	416	#if EV_USE_INOTIFY
…		…
397	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	419	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
398	# ifndef IN_DONT_FOLLOW	420	# ifndef IN_DONT_FOLLOW
399	# undef EV_USE_INOTIFY	421	# undef EV_USE_INOTIFY
400	# define EV_USE_INOTIFY 0	422	# define EV_USE_INOTIFY 0
401	# endif	423	# endif
402	#endif
403
404	#if EV_SELECT_IS_WINSOCKET
405	# include <winsock.h>
406	#endif	424	#endif
407		425
408	#if EV_USE_EVENTFD	426	#if EV_USE_EVENTFD
409	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	427	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
410	# include <stdint.h>	428	# include <stdint.h>
…		…
496	*/	514	*/
497		515
498	#ifndef ECB_H	516	#ifndef ECB_H
499	#define ECB_H	517	#define ECB_H
500		518
		519	/* 16 bits major, 16 bits minor */
		520	#define ECB_VERSION 0x00010002
		521
501	#ifdef _WIN32	522	#ifdef _WIN32
502	typedef signed char int8_t;	523	typedef signed char int8_t;
503	typedef unsigned char uint8_t;	524	typedef unsigned char uint8_t;
504	typedef signed short int16_t;	525	typedef signed short int16_t;
505	typedef unsigned short uint16_t;	526	typedef unsigned short uint16_t;
…		…
510	typedef unsigned long long uint64_t;	531	typedef unsigned long long uint64_t;
511	#else /* _MSC_VER || __BORLANDC__ */	532	#else /* _MSC_VER || __BORLANDC__ */
512	typedef signed __int64 int64_t;	533	typedef signed __int64 int64_t;
513	typedef unsigned __int64 uint64_t;	534	typedef unsigned __int64 uint64_t;
514	#endif	535	#endif
		536	#ifdef _WIN64
		537	#define ECB_PTRSIZE 8
		538	typedef uint64_t uintptr_t;
		539	typedef int64_t intptr_t;
		540	#else
		541	#define ECB_PTRSIZE 4
		542	typedef uint32_t uintptr_t;
		543	typedef int32_t intptr_t;
		544	#endif
515	#else	545	#else
516	#include <inttypes.h>	546	#include <inttypes.h>
		547	#if UINTMAX_MAX > 0xffffffffU
		548	#define ECB_PTRSIZE 8
		549	#else
		550	#define ECB_PTRSIZE 4
		551	#endif
517	#endif	552	#endif
518		553
519	/* many compilers define _GNUC_ to some versions but then only implement	554	/* many compilers define _GNUC_ to some versions but then only implement
520	* what their idiot authors think are the "more important" extensions,	555	* what their idiot authors think are the "more important" extensions,
521	* causing enormous grief in return for some better fake benchmark numbers.	556	* causing enormous grief in return for some better fake benchmark numbers.
522	* or so.	557	* or so.
523	* we try to detect these and simply assume they are not gcc - if they have	558	* we try to detect these and simply assume they are not gcc - if they have
524	* an issue with that they should have done it right in the first place.	559	* an issue with that they should have done it right in the first place.
525	*/	560	*/
526	#ifndef ECB_GCC_VERSION	561	#ifndef ECB_GCC_VERSION
527	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	562	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
528	#define ECB_GCC_VERSION(major,minor) 0	563	#define ECB_GCC_VERSION(major,minor) 0
529	#else	564	#else
530	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	565	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
531	#endif	566	#endif
532	#endif	567	#endif
533		568
		569	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		570	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		571	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		572	#define ECB_CPP (__cplusplus+0)
		573	#define ECB_CPP11 (__cplusplus >= 201103L)
		574
		575	#if ECB_CPP
		576	#define ECB_EXTERN_C extern "C"
		577	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		578	#define ECB_EXTERN_C_END }
		579	#else
		580	#define ECB_EXTERN_C extern
		581	#define ECB_EXTERN_C_BEG
		582	#define ECB_EXTERN_C_END
		583	#endif
		584
534	/*****************************************************************************/	585	/*****************************************************************************/
535		586
536	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	587	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
537	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	588	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
538		589
539	#if ECB_NO_THREADS || ECB_NO_SMP	590	#if ECB_NO_THREADS
		591	#define ECB_NO_SMP 1
		592	#endif
		593
		594	#if ECB_NO_SMP
540	#define ECB_MEMORY_FENCE do { } while (0)	595	#define ECB_MEMORY_FENCE do { } while (0)
541	#endif	596	#endif
542		597
543	#ifndef ECB_MEMORY_FENCE	598	#ifndef ECB_MEMORY_FENCE
544	#if ECB_GCC_VERSION(2,5) || defined(__INTEL_COMPILER) || defined(__clang__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	599	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
545	#if __i386 || __i386__	600	#if __i386 || __i386__
546	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	601	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
547	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	602	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
548	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	603	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
549	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__	604	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
550	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	605	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
551	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	606	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
552	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	607	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
553	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	608	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
554	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	609	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
555	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	610	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
556	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	611	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
557	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	612	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
558	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	613	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
559	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	614	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
560	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
561	#elif __sparc || __sparc__	616	#elif __sparc || __sparc__
562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")	617	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
563	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")	618	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
564	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")	619	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		620	#elif defined __s390__ || defined __s390x__
		621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		622	#elif defined __mips__
		623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		624	#elif defined __alpha__
		625	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		626	#elif defined __hppa__
		627	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		629	#elif defined __ia64__
		630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
565	#endif	631	#endif
566	#endif	632	#endif
567	#endif	633	#endif
568		634
569	#ifndef ECB_MEMORY_FENCE	635	#ifndef ECB_MEMORY_FENCE
		636	#if ECB_GCC_VERSION(4,7)
		637	/* see comment below (stdatomic.h) about the C11 memory model. */
		638	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		639
		640	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		641	* without risking compile time errors with other compilers. We *could*
		642	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		643	* around this shit time and again.
		644	* #elif defined __clang && __has_feature (cxx_atomic)
		645	* // see comment below (stdatomic.h) about the C11 memory model.
		646	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		647	*/
		648
570	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER) || defined(__clang__)	649	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
571	#define ECB_MEMORY_FENCE __sync_synchronize ()	650	#define ECB_MEMORY_FENCE __sync_synchronize ()
572	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
573	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
574	#elif _MSC_VER >= 1400 /* VC++ 2005 */	651	#elif _MSC_VER >= 1400 /* VC++ 2005 */
575	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	652	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
576	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	653	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
577	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	654	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
578	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	655	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
579	#elif defined(_WIN32)	656	#elif defined _WIN32
580	#include <WinNT.h>	657	#include <WinNT.h>
581	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	658	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
582	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110	659	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
583	#include <mbarrier.h>	660	#include <mbarrier.h>
584	#define ECB_MEMORY_FENCE __machine_rw_barrier ()	661	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
585	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()	662	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
586	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()	663	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		664	#elif __xlC__
		665	#define ECB_MEMORY_FENCE __sync ()
		666	#endif
		667	#endif
		668
		669	#ifndef ECB_MEMORY_FENCE
		670	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		671	/* we assume that these memory fences work on all variables/all memory accesses, */
		672	/* not just C11 atomics and atomic accesses */
		673	#include <stdatomic.h>
		674	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		675	/* any fence other than seq_cst, which isn't very efficient for us. */
		676	/* Why that is, we don't know - either the C11 memory model is quite useless */
		677	/* for most usages, or gcc and clang have a bug */
		678	/* I *currently* lean towards the latter, and inefficiently implement */
		679	/* all three of ecb's fences as a seq_cst fence */
		680	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
587	#endif	681	#endif
588	#endif	682	#endif
589		683
590	#ifndef ECB_MEMORY_FENCE	684	#ifndef ECB_MEMORY_FENCE
591	#if !ECB_AVOID_PTHREADS	685	#if !ECB_AVOID_PTHREADS
…		…
603	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	697	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
604	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	698	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
605	#endif	699	#endif
606	#endif	700	#endif
607		701
608	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	702	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
609	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	703	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
610	#endif	704	#endif
611		705
612	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	706	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
613	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	707	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
614	#endif	708	#endif
615		709
616	/*****************************************************************************/	710	/*****************************************************************************/
617
618	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
619		711
620	#if __cplusplus	712	#if __cplusplus
621	#define ecb_inline static inline	713	#define ecb_inline static inline
622	#elif ECB_GCC_VERSION(2,5)	714	#elif ECB_GCC_VERSION(2,5)
623	#define ecb_inline static __inline__	715	#define ecb_inline static __inline__
…		…
662	#elif ECB_GCC_VERSION(3,0)	754	#elif ECB_GCC_VERSION(3,0)
663	#define ecb_decltype(x) __typeof(x)	755	#define ecb_decltype(x) __typeof(x)
664	#endif	756	#endif
665		757
666	#define ecb_noinline ecb_attribute ((__noinline__))	758	#define ecb_noinline ecb_attribute ((__noinline__))
667	#define ecb_noreturn ecb_attribute ((__noreturn__))
668	#define ecb_unused ecb_attribute ((__unused__))	759	#define ecb_unused ecb_attribute ((__unused__))
669	#define ecb_const ecb_attribute ((__const__))	760	#define ecb_const ecb_attribute ((__const__))
670	#define ecb_pure ecb_attribute ((__pure__))	761	#define ecb_pure ecb_attribute ((__pure__))
		762
		763	#if ECB_C11
		764	#define ecb_noreturn _Noreturn
		765	#else
		766	#define ecb_noreturn ecb_attribute ((__noreturn__))
		767	#endif
671		768
672	#if ECB_GCC_VERSION(4,3)	769	#if ECB_GCC_VERSION(4,3)
673	#define ecb_artificial ecb_attribute ((__artificial__))	770	#define ecb_artificial ecb_attribute ((__artificial__))
674	#define ecb_hot ecb_attribute ((__hot__))	771	#define ecb_hot ecb_attribute ((__hot__))
675	#define ecb_cold ecb_attribute ((__cold__))	772	#define ecb_cold ecb_attribute ((__cold__))
…		…
766		863
767	return r + ecb_ld32 (x);	864	return r + ecb_ld32 (x);
768	}	865	}
769	#endif	866	#endif
770		867
		868	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		869	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		870	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		871	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		872
771	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;	873	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
772	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)	874	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
773	{	875	{
774	return ( (x * 0x0802U & 0x22110U)	876	return ( (x * 0x0802U & 0x22110U)
775	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;	877	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
…		…
854		956
855	#if ECB_GCC_VERSION(4,5)	957	#if ECB_GCC_VERSION(4,5)
856	#define ecb_unreachable() __builtin_unreachable ()	958	#define ecb_unreachable() __builtin_unreachable ()
857	#else	959	#else
858	/* this seems to work fine, but gcc always emits a warning for it :/ */	960	/* this seems to work fine, but gcc always emits a warning for it :/ */
859	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	961	ecb_inline void ecb_unreachable (void) ecb_noreturn;
860	ecb_function_ void ecb_unreachable (void) { }	962	ecb_inline void ecb_unreachable (void) { }
861	#endif	963	#endif
862		964
863	/* try to tell the compiler that some condition is definitely true */	965	/* try to tell the compiler that some condition is definitely true */
864	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	966	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
865		967
866	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	968	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
867	ecb_function_ unsigned char	969	ecb_inline unsigned char
868	ecb_byteorder_helper (void)	970	ecb_byteorder_helper (void)
869	{	971	{
870	const uint32_t u = 0x11223344;	972	/* the union code still generates code under pressure in gcc, */
871	return *(unsigned char *)&u;	973	/* but less than using pointers, and always seems to */
		974	/* successfully return a constant. */
		975	/* the reason why we have this horrible preprocessor mess */
		976	/* is to avoid it in all cases, at least on common architectures */
		977	/* or when using a recent enough gcc version (>= 4.6) */
		978	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		979	return 0x44;
		980	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		981	return 0x44;
		982	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		983	return 0x11;
		984	#else
		985	union
		986	{
		987	uint32_t i;
		988	uint8_t c;
		989	} u = { 0x11223344 };
		990	return u.c;
		991	#endif
872	}	992	}
873		993
874	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	994	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
875	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	995	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
876	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	996	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
877	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	997	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
878		998
879	#if ECB_GCC_VERSION(3,0) || ECB_C99	999	#if ECB_GCC_VERSION(3,0) || ECB_C99
880	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1000	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
881	#else	1001	#else
882	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1002	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
…		…
907	}	1027	}
908	#else	1028	#else
909	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1029	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
910	#endif	1030	#endif
911		1031
		1032	/*******************************************************************************/
		1033	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1034
		1035	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1036	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1037	#if 0 \
		1038	|| __i386 || __i386__ \
		1039	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1040	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1041	|| defined __arm__ && defined __ARM_EABI__ \
		1042	|| defined __s390__ || defined __s390x__ \
		1043	|| defined __mips__ \
		1044	|| defined __alpha__ \
		1045	|| defined __hppa__ \
		1046	|| defined __ia64__ \
		1047	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1048	#define ECB_STDFP 1
		1049	#include <string.h> /* for memcpy */
		1050	#else
		1051	#define ECB_STDFP 0
		1052	#include <math.h> /* for frexp*, ldexp* */
		1053	#endif
		1054
		1055	#ifndef ECB_NO_LIBM
		1056
		1057	/* convert a float to ieee single/binary32 */
		1058	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1059	ecb_function_ uint32_t
		1060	ecb_float_to_binary32 (float x)
		1061	{
		1062	uint32_t r;
		1063
		1064	#if ECB_STDFP
		1065	memcpy (&r, &x, 4);
		1066	#else
		1067	/* slow emulation, works for anything but -0 */
		1068	uint32_t m;
		1069	int e;
		1070
		1071	if (x == 0e0f ) return 0x00000000U;
		1072	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1073	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1074	if (x != x ) return 0x7fbfffffU;
		1075
		1076	m = frexpf (x, &e) * 0x1000000U;
		1077
		1078	r = m & 0x80000000U;
		1079
		1080	if (r)
		1081	m = -m;
		1082
		1083	if (e <= -126)
		1084	{
		1085	m &= 0xffffffU;
		1086	m >>= (-125 - e);
		1087	e = -126;
		1088	}
		1089
		1090	r |= (e + 126) << 23;
		1091	r |= m & 0x7fffffU;
		1092	#endif
		1093
		1094	return r;
		1095	}
		1096
		1097	/* converts an ieee single/binary32 to a float */
		1098	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1099	ecb_function_ float
		1100	ecb_binary32_to_float (uint32_t x)
		1101	{
		1102	float r;
		1103
		1104	#if ECB_STDFP
		1105	memcpy (&r, &x, 4);
		1106	#else
		1107	/* emulation, only works for normals and subnormals and +0 */
		1108	int neg = x >> 31;
		1109	int e = (x >> 23) & 0xffU;
		1110
		1111	x &= 0x7fffffU;
		1112
		1113	if (e)
		1114	x |= 0x800000U;
		1115	else
		1116	e = 1;
		1117
		1118	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1119	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1120
		1121	r = neg ? -r : r;
		1122	#endif
		1123
		1124	return r;
		1125	}
		1126
		1127	/* convert a double to ieee double/binary64 */
		1128	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1129	ecb_function_ uint64_t
		1130	ecb_double_to_binary64 (double x)
		1131	{
		1132	uint64_t r;
		1133
		1134	#if ECB_STDFP
		1135	memcpy (&r, &x, 8);
		1136	#else
		1137	/* slow emulation, works for anything but -0 */
		1138	uint64_t m;
		1139	int e;
		1140
		1141	if (x == 0e0 ) return 0x0000000000000000U;
		1142	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1143	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1144	if (x != x ) return 0X7ff7ffffffffffffU;
		1145
		1146	m = frexp (x, &e) * 0x20000000000000U;
		1147
		1148	r = m & 0x8000000000000000;;
		1149
		1150	if (r)
		1151	m = -m;
		1152
		1153	if (e <= -1022)
		1154	{
		1155	m &= 0x1fffffffffffffU;
		1156	m >>= (-1021 - e);
		1157	e = -1022;
		1158	}
		1159
		1160	r |= ((uint64_t)(e + 1022)) << 52;
		1161	r |= m & 0xfffffffffffffU;
		1162	#endif
		1163
		1164	return r;
		1165	}
		1166
		1167	/* converts an ieee double/binary64 to a double */
		1168	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1169	ecb_function_ double
		1170	ecb_binary64_to_double (uint64_t x)
		1171	{
		1172	double r;
		1173
		1174	#if ECB_STDFP
		1175	memcpy (&r, &x, 8);
		1176	#else
		1177	/* emulation, only works for normals and subnormals and +0 */
		1178	int neg = x >> 63;
		1179	int e = (x >> 52) & 0x7ffU;
		1180
		1181	x &= 0xfffffffffffffU;
		1182
		1183	if (e)
		1184	x |= 0x10000000000000U;
		1185	else
		1186	e = 1;
		1187
		1188	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1189	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1190
		1191	r = neg ? -r : r;
		1192	#endif
		1193
		1194	return r;
		1195	}
		1196
		1197	#endif
		1198
912	#endif	1199	#endif
913		1200
914	/* ECB.H END */	1201	/* ECB.H END */
915		1202
916	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1203	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
…		…
1082	{	1369	{
1083	write (STDERR_FILENO, msg, strlen (msg));	1370	write (STDERR_FILENO, msg, strlen (msg));
1084	}	1371	}
1085	#endif	1372	#endif
1086		1373
1087	static void (*syserr_cb)(const char *msg);	1374	static void (*syserr_cb)(const char *msg) EV_THROW;
1088		1375
1089	void ecb_cold	1376	void ecb_cold
1090	ev_set_syserr_cb (void (*cb)(const char *msg))	1377	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1091	{	1378	{
1092	syserr_cb = cb;	1379	syserr_cb = cb;
1093	}	1380	}
1094		1381
1095	static void noinline ecb_cold	1382	static void noinline ecb_cold
…		…
1113	abort ();	1400	abort ();
1114	}	1401	}
1115	}	1402	}
1116		1403
1117	static void *	1404	static void *
1118	ev_realloc_emul (void *ptr, long size)	1405	ev_realloc_emul (void *ptr, long size) EV_THROW
1119	{	1406	{
1120	#if __GLIBC__
1121	return realloc (ptr, size);
1122	#else
1123	/* some systems, notably openbsd and darwin, fail to properly	1407	/* some systems, notably openbsd and darwin, fail to properly
1124	* implement realloc (x, 0) (as required by both ansi c-89 and	1408	* implement realloc (x, 0) (as required by both ansi c-89 and
1125	* the single unix specification, so work around them here.	1409	* the single unix specification, so work around them here.
		1410	* recently, also (at least) fedora and debian started breaking it,
		1411	* despite documenting it otherwise.
1126	*/	1412	*/
1127		1413
1128	if (size)	1414	if (size)
1129	return realloc (ptr, size);	1415	return realloc (ptr, size);
1130		1416
1131	free (ptr);	1417	free (ptr);
1132	return 0;	1418	return 0;
1133	#endif
1134	}	1419	}
1135		1420
1136	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1421	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1137		1422
1138	void ecb_cold	1423	void ecb_cold
1139	ev_set_allocator (void *(*cb)(void *ptr, long size))	1424	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1140	{	1425	{
1141	alloc = cb;	1426	alloc = cb;
1142	}	1427	}
1143		1428
1144	inline_speed void *	1429	inline_speed void *
…		…
1261		1546
1262	/*****************************************************************************/	1547	/*****************************************************************************/
1263		1548
1264	#ifndef EV_HAVE_EV_TIME	1549	#ifndef EV_HAVE_EV_TIME
1265	ev_tstamp	1550	ev_tstamp
1266	ev_time (void)	1551	ev_time (void) EV_THROW
1267	{	1552	{
1268	#if EV_USE_REALTIME	1553	#if EV_USE_REALTIME
1269	if (expect_true (have_realtime))	1554	if (expect_true (have_realtime))
1270	{	1555	{
1271	struct timespec ts;	1556	struct timespec ts;
…		…
1295	return ev_time ();	1580	return ev_time ();
1296	}	1581	}
1297		1582
1298	#if EV_MULTIPLICITY	1583	#if EV_MULTIPLICITY
1299	ev_tstamp	1584	ev_tstamp
1300	ev_now (EV_P)	1585	ev_now (EV_P) EV_THROW
1301	{	1586	{
1302	return ev_rt_now;	1587	return ev_rt_now;
1303	}	1588	}
1304	#endif	1589	#endif
1305		1590
1306	void	1591	void
1307	ev_sleep (ev_tstamp delay)	1592	ev_sleep (ev_tstamp delay) EV_THROW
1308	{	1593	{
1309	if (delay > 0.)	1594	if (delay > 0.)
1310	{	1595	{
1311	#if EV_USE_NANOSLEEP	1596	#if EV_USE_NANOSLEEP
1312	struct timespec ts;	1597	struct timespec ts;
1313		1598
1314	EV_TS_SET (ts, delay);	1599	EV_TS_SET (ts, delay);
1315	nanosleep (&ts, 0);	1600	nanosleep (&ts, 0);
1316	#elif defined(_WIN32)	1601	#elif defined _WIN32
1317	Sleep ((unsigned long)(delay * 1e3));	1602	Sleep ((unsigned long)(delay * 1e3));
1318	#else	1603	#else
1319	struct timeval tv;	1604	struct timeval tv;
1320		1605
1321	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1606	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1393	pendingcb (EV_P_ ev_prepare *w, int revents)	1678	pendingcb (EV_P_ ev_prepare *w, int revents)
1394	{	1679	{
1395	}	1680	}
1396		1681
1397	void noinline	1682	void noinline
1398	ev_feed_event (EV_P_ void *w, int revents)	1683	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1399	{	1684	{
1400	W w_ = (W)w;	1685	W w_ = (W)w;
1401	int pri = ABSPRI (w_);	1686	int pri = ABSPRI (w_);
1402		1687
1403	if (expect_false (w_->pending))	1688	if (expect_false (w_->pending))
…		…
1407	w_->pending = ++pendingcnt [pri];	1692	w_->pending = ++pendingcnt [pri];
1408	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1693	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1409	pendings [pri][w_->pending - 1].w = w_;	1694	pendings [pri][w_->pending - 1].w = w_;
1410	pendings [pri][w_->pending - 1].events = revents;	1695	pendings [pri][w_->pending - 1].events = revents;
1411	}	1696	}
		1697
		1698	pendingpri = NUMPRI - 1;
1412	}	1699	}
1413		1700
1414	inline_speed void	1701	inline_speed void
1415	feed_reverse (EV_P_ W w)	1702	feed_reverse (EV_P_ W w)
1416	{	1703	{
…		…
1462	if (expect_true (!anfd->reify))	1749	if (expect_true (!anfd->reify))
1463	fd_event_nocheck (EV_A_ fd, revents);	1750	fd_event_nocheck (EV_A_ fd, revents);
1464	}	1751	}
1465		1752
1466	void	1753	void
1467	ev_feed_fd_event (EV_P_ int fd, int revents)	1754	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1468	{	1755	{
1469	if (fd >= 0 && fd < anfdmax)	1756	if (fd >= 0 && fd < anfdmax)
1470	fd_event_nocheck (EV_A_ fd, revents);	1757	fd_event_nocheck (EV_A_ fd, revents);
1471	}	1758	}
1472		1759
…		…
1791	static void noinline ecb_cold	2078	static void noinline ecb_cold
1792	evpipe_init (EV_P)	2079	evpipe_init (EV_P)
1793	{	2080	{
1794	if (!ev_is_active (&pipe_w))	2081	if (!ev_is_active (&pipe_w))
1795	{	2082	{
		2083	int fds [2];
		2084
1796	# if EV_USE_EVENTFD	2085	# if EV_USE_EVENTFD
		2086	fds [0] = -1;
1797	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2087	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1798	if (evfd < 0 && errno == EINVAL)	2088	if (fds [1] < 0 && errno == EINVAL)
1799	evfd = eventfd (0, 0);	2089	fds [1] = eventfd (0, 0);
1800		2090
1801	if (evfd >= 0)	2091	if (fds [1] < 0)
		2092	# endif
1802	{	2093	{
		2094	while (pipe (fds))
		2095	ev_syserr ("(libev) error creating signal/async pipe");
		2096
		2097	fd_intern (fds [0]);
		2098	}
		2099
		2100	fd_intern (fds [1]);
		2101
1803	evpipe [0] = -1;	2102	evpipe [0] = fds [0];
1804	fd_intern (evfd); /* doing it twice doesn't hurt */	2103
1805	ev_io_set (&pipe_w, evfd, EV_READ);	2104	if (evpipe [1] < 0)
		2105	evpipe [1] = fds [1]; /* first call, set write fd */
		2106	else
		2107	{
		2108	/* on subsequent calls, do not change evpipe [1] */
		2109	/* so that evpipe_write can always rely on its value. */
		2110	/* this branch does not do anything sensible on windows, */
		2111	/* so must not be executed on windows */
		2112
		2113	dup2 (fds [1], evpipe [1]);
		2114	close (fds [1]);
		2115	}
		2116
		2117	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2118	ev_io_start (EV_A_ &pipe_w);
		2119	ev_unref (EV_A); /* watcher should not keep loop alive */
		2120	}
		2121	}
		2122
		2123	inline_speed void
		2124	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2125	{
		2126	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2127
		2128	if (expect_true (*flag))
		2129	return;
		2130
		2131	*flag = 1;
		2132	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2133
		2134	pipe_write_skipped = 1;
		2135
		2136	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2137
		2138	if (pipe_write_wanted)
		2139	{
		2140	int old_errno;
		2141
		2142	pipe_write_skipped = 0;
		2143	ECB_MEMORY_FENCE_RELEASE;
		2144
		2145	old_errno = errno; /* save errno because write will clobber it */
		2146
		2147	#if EV_USE_EVENTFD
		2148	if (evpipe [0] < 0)
		2149	{
		2150	uint64_t counter = 1;
		2151	write (evpipe [1], &counter, sizeof (uint64_t));
1806	}	2152	}
1807	else	2153	else
1808	# endif	2154	#endif
1809	{	2155	{
1810	while (pipe (evpipe))	2156	#ifdef _WIN32
1811	ev_syserr ("(libev) error creating signal/async pipe");	2157	WSABUF buf;
1812		2158	DWORD sent;
1813	fd_intern (evpipe [0]);	2159	buf.buf = &buf;
1814	fd_intern (evpipe [1]);	2160	buf.len = 1;
1815	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2161	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1816	}	2162	#else
1817
1818	ev_io_start (EV_A_ &pipe_w);
1819	ev_unref (EV_A); /* watcher should not keep loop alive */
1820	}
1821	}
1822
1823	inline_speed void
1824	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1825	{
1826	if (expect_true (*flag))
1827	return;
1828
1829	*flag = 1;
1830
1831	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1832
1833	pipe_write_skipped = 1;
1834
1835	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1836
1837	if (pipe_write_wanted)
1838	{
1839	int old_errno;
1840
1841	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1842
1843	old_errno = errno; /* save errno because write will clobber it */
1844
1845	#if EV_USE_EVENTFD
1846	if (evfd >= 0)
1847	{
1848	uint64_t counter = 1;
1849	write (evfd, &counter, sizeof (uint64_t));
1850	}
1851	else
1852	#endif
1853	{
1854	/* win32 people keep sending patches that change this write() to send() */
1855	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1856	/* so when you think this write should be a send instead, please find out */
1857	/* where your send() is from - it's definitely not the microsoft send, and */
1858	/* tell me. thank you. */
1859	write (evpipe [1], &(evpipe [1]), 1);	2163	write (evpipe [1], &(evpipe [1]), 1);
		2164	#endif
1860	}	2165	}
1861		2166
1862	errno = old_errno;	2167	errno = old_errno;
1863	}	2168	}
1864	}	2169	}
…		…
1871	int i;	2176	int i;
1872		2177
1873	if (revents & EV_READ)	2178	if (revents & EV_READ)
1874	{	2179	{
1875	#if EV_USE_EVENTFD	2180	#if EV_USE_EVENTFD
1876	if (evfd >= 0)	2181	if (evpipe [0] < 0)
1877	{	2182	{
1878	uint64_t counter;	2183	uint64_t counter;
1879	read (evfd, &counter, sizeof (uint64_t));	2184	read (evpipe [1], &counter, sizeof (uint64_t));
1880	}	2185	}
1881	else	2186	else
1882	#endif	2187	#endif
1883	{	2188	{
1884	char dummy;	2189	char dummy[4];
1885	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2190	#ifdef _WIN32
		2191	WSABUF buf;
		2192	DWORD recvd;
		2193	DWORD flags = 0;
		2194	buf.buf = dummy;
		2195	buf.len = sizeof (dummy);
		2196	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2197	#else
1886	read (evpipe [0], &dummy, 1);	2198	read (evpipe [0], &dummy, sizeof (dummy));
		2199	#endif
1887	}	2200	}
1888	}	2201	}
1889		2202
1890	pipe_write_skipped = 0;	2203	pipe_write_skipped = 0;
		2204
		2205	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1891		2206
1892	#if EV_SIGNAL_ENABLE	2207	#if EV_SIGNAL_ENABLE
1893	if (sig_pending)	2208	if (sig_pending)
1894	{	2209	{
1895	sig_pending = 0;	2210	sig_pending = 0;
		2211
		2212	ECB_MEMORY_FENCE;
1896		2213
1897	for (i = EV_NSIG - 1; i--; )	2214	for (i = EV_NSIG - 1; i--; )
1898	if (expect_false (signals [i].pending))	2215	if (expect_false (signals [i].pending))
1899	ev_feed_signal_event (EV_A_ i + 1);	2216	ev_feed_signal_event (EV_A_ i + 1);
1900	}	2217	}
…		…
1902		2219
1903	#if EV_ASYNC_ENABLE	2220	#if EV_ASYNC_ENABLE
1904	if (async_pending)	2221	if (async_pending)
1905	{	2222	{
1906	async_pending = 0;	2223	async_pending = 0;
		2224
		2225	ECB_MEMORY_FENCE;
1907		2226
1908	for (i = asynccnt; i--; )	2227	for (i = asynccnt; i--; )
1909	if (asyncs [i]->sent)	2228	if (asyncs [i]->sent)
1910	{	2229	{
1911	asyncs [i]->sent = 0;	2230	asyncs [i]->sent = 0;
		2231	ECB_MEMORY_FENCE_RELEASE;
1912	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2232	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1913	}	2233	}
1914	}	2234	}
1915	#endif	2235	#endif
1916	}	2236	}
1917		2237
1918	/*****************************************************************************/	2238	/*****************************************************************************/
1919		2239
1920	void	2240	void
1921	ev_feed_signal (int signum)	2241	ev_feed_signal (int signum) EV_THROW
1922	{	2242	{
1923	#if EV_MULTIPLICITY	2243	#if EV_MULTIPLICITY
		2244	ECB_MEMORY_FENCE_ACQUIRE;
1924	EV_P = signals [signum - 1].loop;	2245	EV_P = signals [signum - 1].loop;
1925		2246
1926	if (!EV_A)	2247	if (!EV_A)
1927	return;	2248	return;
1928	#endif	2249	#endif
1929		2250
1930	if (!ev_active (&pipe_w))
1931	return;
1932
1933	signals [signum - 1].pending = 1;	2251	signals [signum - 1].pending = 1;
1934	evpipe_write (EV_A_ &sig_pending);	2252	evpipe_write (EV_A_ &sig_pending);
1935	}	2253	}
1936		2254
1937	static void	2255	static void
…		…
1943		2261
1944	ev_feed_signal (signum);	2262	ev_feed_signal (signum);
1945	}	2263	}
1946		2264
1947	void noinline	2265	void noinline
1948	ev_feed_signal_event (EV_P_ int signum)	2266	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1949	{	2267	{
1950	WL w;	2268	WL w;
1951		2269
1952	if (expect_false (signum <= 0 || signum > EV_NSIG))	2270	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1953	return;	2271	return;
1954		2272
1955	--signum;	2273	--signum;
1956		2274
1957	#if EV_MULTIPLICITY	2275	#if EV_MULTIPLICITY
…		…
1961	if (expect_false (signals [signum].loop != EV_A))	2279	if (expect_false (signals [signum].loop != EV_A))
1962	return;	2280	return;
1963	#endif	2281	#endif
1964		2282
1965	signals [signum].pending = 0;	2283	signals [signum].pending = 0;
		2284	ECB_MEMORY_FENCE_RELEASE;
1966		2285
1967	for (w = signals [signum].head; w; w = w->next)	2286	for (w = signals [signum].head; w; w = w->next)
1968	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2287	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1969	}	2288	}
1970		2289
…		…
2069	#if EV_USE_SELECT	2388	#if EV_USE_SELECT
2070	# include "ev_select.c"	2389	# include "ev_select.c"
2071	#endif	2390	#endif
2072		2391
2073	int ecb_cold	2392	int ecb_cold
2074	ev_version_major (void)	2393	ev_version_major (void) EV_THROW
2075	{	2394	{
2076	return EV_VERSION_MAJOR;	2395	return EV_VERSION_MAJOR;
2077	}	2396	}
2078		2397
2079	int ecb_cold	2398	int ecb_cold
2080	ev_version_minor (void)	2399	ev_version_minor (void) EV_THROW
2081	{	2400	{
2082	return EV_VERSION_MINOR;	2401	return EV_VERSION_MINOR;
2083	}	2402	}
2084		2403
2085	/* return true if we are running with elevated privileges and should ignore env variables */	2404	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2093	|| getgid () != getegid ();	2412	|| getgid () != getegid ();
2094	#endif	2413	#endif
2095	}	2414	}
2096		2415
2097	unsigned int ecb_cold	2416	unsigned int ecb_cold
2098	ev_supported_backends (void)	2417	ev_supported_backends (void) EV_THROW
2099	{	2418	{
2100	unsigned int flags = 0;	2419	unsigned int flags = 0;
2101		2420
2102	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2421	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2103	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2422	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2107		2426
2108	return flags;	2427	return flags;
2109	}	2428	}
2110		2429
2111	unsigned int ecb_cold	2430	unsigned int ecb_cold
2112	ev_recommended_backends (void)	2431	ev_recommended_backends (void) EV_THROW
2113	{	2432	{
2114	unsigned int flags = ev_supported_backends ();	2433	unsigned int flags = ev_supported_backends ();
2115		2434
2116	#ifndef __NetBSD__	2435	#ifndef __NetBSD__
2117	/* kqueue is borked on everything but netbsd apparently */	2436	/* kqueue is borked on everything but netbsd apparently */
…		…
2129		2448
2130	return flags;	2449	return flags;
2131	}	2450	}
2132		2451
2133	unsigned int ecb_cold	2452	unsigned int ecb_cold
2134	ev_embeddable_backends (void)	2453	ev_embeddable_backends (void) EV_THROW
2135	{	2454	{
2136	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2455	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2137		2456
2138	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2457	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2139	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2458	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2141		2460
2142	return flags;	2461	return flags;
2143	}	2462	}
2144		2463
2145	unsigned int	2464	unsigned int
2146	ev_backend (EV_P)	2465	ev_backend (EV_P) EV_THROW
2147	{	2466	{
2148	return backend;	2467	return backend;
2149	}	2468	}
2150		2469
2151	#if EV_FEATURE_API	2470	#if EV_FEATURE_API
2152	unsigned int	2471	unsigned int
2153	ev_iteration (EV_P)	2472	ev_iteration (EV_P) EV_THROW
2154	{	2473	{
2155	return loop_count;	2474	return loop_count;
2156	}	2475	}
2157		2476
2158	unsigned int	2477	unsigned int
2159	ev_depth (EV_P)	2478	ev_depth (EV_P) EV_THROW
2160	{	2479	{
2161	return loop_depth;	2480	return loop_depth;
2162	}	2481	}
2163		2482
2164	void	2483	void
2165	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2484	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2166	{	2485	{
2167	io_blocktime = interval;	2486	io_blocktime = interval;
2168	}	2487	}
2169		2488
2170	void	2489	void
2171	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2490	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2172	{	2491	{
2173	timeout_blocktime = interval;	2492	timeout_blocktime = interval;
2174	}	2493	}
2175		2494
2176	void	2495	void
2177	ev_set_userdata (EV_P_ void *data)	2496	ev_set_userdata (EV_P_ void *data) EV_THROW
2178	{	2497	{
2179	userdata = data;	2498	userdata = data;
2180	}	2499	}
2181		2500
2182	void *	2501	void *
2183	ev_userdata (EV_P)	2502	ev_userdata (EV_P) EV_THROW
2184	{	2503	{
2185	return userdata;	2504	return userdata;
2186	}	2505	}
2187		2506
2188	void	2507	void
2189	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2508	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2190	{	2509	{
2191	invoke_cb = invoke_pending_cb;	2510	invoke_cb = invoke_pending_cb;
2192	}	2511	}
2193		2512
2194	void	2513	void
2195	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2514	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2196	{	2515	{
2197	release_cb = release;	2516	release_cb = release;
2198	acquire_cb = acquire;	2517	acquire_cb = acquire;
2199	}	2518	}
2200	#endif	2519	#endif
2201		2520
2202	/* initialise a loop structure, must be zero-initialised */	2521	/* initialise a loop structure, must be zero-initialised */
2203	static void noinline ecb_cold	2522	static void noinline ecb_cold
2204	loop_init (EV_P_ unsigned int flags)	2523	loop_init (EV_P_ unsigned int flags) EV_THROW
2205	{	2524	{
2206	if (!backend)	2525	if (!backend)
2207	{	2526	{
2208	origflags = flags;	2527	origflags = flags;
2209		2528
…		…
2254	#if EV_ASYNC_ENABLE	2573	#if EV_ASYNC_ENABLE
2255	async_pending = 0;	2574	async_pending = 0;
2256	#endif	2575	#endif
2257	pipe_write_skipped = 0;	2576	pipe_write_skipped = 0;
2258	pipe_write_wanted = 0;	2577	pipe_write_wanted = 0;
		2578	evpipe [0] = -1;
		2579	evpipe [1] = -1;
2259	#if EV_USE_INOTIFY	2580	#if EV_USE_INOTIFY
2260	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2581	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2261	#endif	2582	#endif
2262	#if EV_USE_SIGNALFD	2583	#if EV_USE_SIGNALFD
2263	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2584	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2314	EV_INVOKE_PENDING;	2635	EV_INVOKE_PENDING;
2315	}	2636	}
2316	#endif	2637	#endif
2317		2638
2318	#if EV_CHILD_ENABLE	2639	#if EV_CHILD_ENABLE
2319	if (ev_is_active (&childev))	2640	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2320	{	2641	{
2321	ev_ref (EV_A); /* child watcher */	2642	ev_ref (EV_A); /* child watcher */
2322	ev_signal_stop (EV_A_ &childev);	2643	ev_signal_stop (EV_A_ &childev);
2323	}	2644	}
2324	#endif	2645	#endif
…		…
2326	if (ev_is_active (&pipe_w))	2647	if (ev_is_active (&pipe_w))
2327	{	2648	{
2328	/*ev_ref (EV_A);*/	2649	/*ev_ref (EV_A);*/
2329	/*ev_io_stop (EV_A_ &pipe_w);*/	2650	/*ev_io_stop (EV_A_ &pipe_w);*/
2330		2651
2331	#if EV_USE_EVENTFD
2332	if (evfd >= 0)
2333	close (evfd);
2334	#endif
2335
2336	if (evpipe [0] >= 0)
2337	{
2338	EV_WIN32_CLOSE_FD (evpipe [0]);	2652	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2339	EV_WIN32_CLOSE_FD (evpipe [1]);	2653	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2340	}
2341	}	2654	}
2342		2655
2343	#if EV_USE_SIGNALFD	2656	#if EV_USE_SIGNALFD
2344	if (ev_is_active (&sigfd_w))	2657	if (ev_is_active (&sigfd_w))
2345	close (sigfd);	2658	close (sigfd);
…		…
2431	#endif	2744	#endif
2432	#if EV_USE_INOTIFY	2745	#if EV_USE_INOTIFY
2433	infy_fork (EV_A);	2746	infy_fork (EV_A);
2434	#endif	2747	#endif
2435		2748
		2749	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2436	if (ev_is_active (&pipe_w))	2750	if (ev_is_active (&pipe_w))
2437	{	2751	{
2438	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2752	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2439		2753
2440	ev_ref (EV_A);	2754	ev_ref (EV_A);
2441	ev_io_stop (EV_A_ &pipe_w);	2755	ev_io_stop (EV_A_ &pipe_w);
2442		2756
2443	#if EV_USE_EVENTFD
2444	if (evfd >= 0)
2445	close (evfd);
2446	#endif
2447
2448	if (evpipe [0] >= 0)	2757	if (evpipe [0] >= 0)
2449	{
2450	EV_WIN32_CLOSE_FD (evpipe [0]);	2758	EV_WIN32_CLOSE_FD (evpipe [0]);
2451	EV_WIN32_CLOSE_FD (evpipe [1]);
2452	}
2453		2759
2454	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2455	evpipe_init (EV_A);	2760	evpipe_init (EV_A);
2456	/* now iterate over everything, in case we missed something */	2761	/* iterate over everything, in case we missed something before */
2457	pipecb (EV_A_ &pipe_w, EV_READ);	2762	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2458	#endif
2459	}	2763	}
		2764	#endif
2460		2765
2461	postfork = 0;	2766	postfork = 0;
2462	}	2767	}
2463		2768
2464	#if EV_MULTIPLICITY	2769	#if EV_MULTIPLICITY
2465		2770
2466	struct ev_loop * ecb_cold	2771	struct ev_loop * ecb_cold
2467	ev_loop_new (unsigned int flags)	2772	ev_loop_new (unsigned int flags) EV_THROW
2468	{	2773	{
2469	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2774	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2470		2775
2471	memset (EV_A, 0, sizeof (struct ev_loop));	2776	memset (EV_A, 0, sizeof (struct ev_loop));
2472	loop_init (EV_A_ flags);	2777	loop_init (EV_A_ flags);
…		…
2516	}	2821	}
2517	#endif	2822	#endif
2518		2823
2519	#if EV_FEATURE_API	2824	#if EV_FEATURE_API
2520	void ecb_cold	2825	void ecb_cold
2521	ev_verify (EV_P)	2826	ev_verify (EV_P) EV_THROW
2522	{	2827	{
2523	#if EV_VERIFY	2828	#if EV_VERIFY
2524	int i;	2829	int i;
2525	WL w;	2830	WL w, w2;
2526		2831
2527	assert (activecnt >= -1);	2832	assert (activecnt >= -1);
2528		2833
2529	assert (fdchangemax >= fdchangecnt);	2834	assert (fdchangemax >= fdchangecnt);
2530	for (i = 0; i < fdchangecnt; ++i)	2835	for (i = 0; i < fdchangecnt; ++i)
2531	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2836	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2532		2837
2533	assert (anfdmax >= 0);	2838	assert (anfdmax >= 0);
2534	for (i = 0; i < anfdmax; ++i)	2839	for (i = 0; i < anfdmax; ++i)
		2840	{
		2841	int j = 0;
		2842
2535	for (w = anfds [i].head; w; w = w->next)	2843	for (w = w2 = anfds [i].head; w; w = w->next)
2536	{	2844	{
2537	verify_watcher (EV_A_ (W)w);	2845	verify_watcher (EV_A_ (W)w);
		2846
		2847	if (j++ & 1)
		2848	{
		2849	assert (("libev: io watcher list contains a loop", w != w2));
		2850	w2 = w2->next;
		2851	}
		2852
2538	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2853	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2539	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2854	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2540	}	2855	}
		2856	}
2541		2857
2542	assert (timermax >= timercnt);	2858	assert (timermax >= timercnt);
2543	verify_heap (EV_A_ timers, timercnt);	2859	verify_heap (EV_A_ timers, timercnt);
2544		2860
2545	#if EV_PERIODIC_ENABLE	2861	#if EV_PERIODIC_ENABLE
…		…
2595	#if EV_MULTIPLICITY	2911	#if EV_MULTIPLICITY
2596	struct ev_loop * ecb_cold	2912	struct ev_loop * ecb_cold
2597	#else	2913	#else
2598	int	2914	int
2599	#endif	2915	#endif
2600	ev_default_loop (unsigned int flags)	2916	ev_default_loop (unsigned int flags) EV_THROW
2601	{	2917	{
2602	if (!ev_default_loop_ptr)	2918	if (!ev_default_loop_ptr)
2603	{	2919	{
2604	#if EV_MULTIPLICITY	2920	#if EV_MULTIPLICITY
2605	EV_P = ev_default_loop_ptr = &default_loop_struct;	2921	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2624		2940
2625	return ev_default_loop_ptr;	2941	return ev_default_loop_ptr;
2626	}	2942	}
2627		2943
2628	void	2944	void
2629	ev_loop_fork (EV_P)	2945	ev_loop_fork (EV_P) EV_THROW
2630	{	2946	{
2631	postfork = 1; /* must be in line with ev_default_fork */	2947	postfork = 1;
2632	}	2948	}
2633		2949
2634	/*****************************************************************************/	2950	/*****************************************************************************/
2635		2951
2636	void	2952	void
…		…
2638	{	2954	{
2639	EV_CB_INVOKE ((W)w, revents);	2955	EV_CB_INVOKE ((W)w, revents);
2640	}	2956	}
2641		2957
2642	unsigned int	2958	unsigned int
2643	ev_pending_count (EV_P)	2959	ev_pending_count (EV_P) EV_THROW
2644	{	2960	{
2645	int pri;	2961	int pri;
2646	unsigned int count = 0;	2962	unsigned int count = 0;
2647		2963
2648	for (pri = NUMPRI; pri--; )	2964	for (pri = NUMPRI; pri--; )
…		…
2652	}	2968	}
2653		2969
2654	void noinline	2970	void noinline
2655	ev_invoke_pending (EV_P)	2971	ev_invoke_pending (EV_P)
2656	{	2972	{
2657	int pri;	2973	pendingpri = NUMPRI;
2658		2974
2659	for (pri = NUMPRI; pri--; )	2975	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2976	{
		2977	--pendingpri;
		2978
2660	while (pendingcnt [pri])	2979	while (pendingcnt [pendingpri])
2661	{	2980	{
2662	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2981	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2663		2982
2664	p->w->pending = 0;	2983	p->w->pending = 0;
2665	EV_CB_INVOKE (p->w, p->events);	2984	EV_CB_INVOKE (p->w, p->events);
2666	EV_FREQUENT_CHECK;	2985	EV_FREQUENT_CHECK;
2667	}	2986	}
		2987	}
2668	}	2988	}
2669		2989
2670	#if EV_IDLE_ENABLE	2990	#if EV_IDLE_ENABLE
2671	/* make idle watchers pending. this handles the "call-idle */	2991	/* make idle watchers pending. this handles the "call-idle */
2672	/* only when higher priorities are idle" logic */	2992	/* only when higher priorities are idle" logic */
…		…
2762	{	3082	{
2763	EV_FREQUENT_CHECK;	3083	EV_FREQUENT_CHECK;
2764		3084
2765	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3085	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2766	{	3086	{
2767	int feed_count = 0;
2768
2769	do	3087	do
2770	{	3088	{
2771	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3089	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2772		3090
2773	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3091	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2907		3225
2908	mn_now = ev_rt_now;	3226	mn_now = ev_rt_now;
2909	}	3227	}
2910	}	3228	}
2911		3229
2912	void	3230	int
2913	ev_run (EV_P_ int flags)	3231	ev_run (EV_P_ int flags)
2914	{	3232	{
2915	#if EV_FEATURE_API	3233	#if EV_FEATURE_API
2916	++loop_depth;	3234	++loop_depth;
2917	#endif	3235	#endif
…		…
3032	backend_poll (EV_A_ waittime);	3350	backend_poll (EV_A_ waittime);
3033	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3351	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
3034		3352
3035	pipe_write_wanted = 0; /* just an optimisation, no fence needed */	3353	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
3036		3354
		3355	ECB_MEMORY_FENCE_ACQUIRE;
3037	if (pipe_write_skipped)	3356	if (pipe_write_skipped)
3038	{	3357	{
3039	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3358	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
3040	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3359	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
3041	}	3360	}
…		…
3074	loop_done = EVBREAK_CANCEL;	3393	loop_done = EVBREAK_CANCEL;
3075		3394
3076	#if EV_FEATURE_API	3395	#if EV_FEATURE_API
3077	--loop_depth;	3396	--loop_depth;
3078	#endif	3397	#endif
		3398
		3399	return activecnt;
3079	}	3400	}
3080		3401
3081	void	3402	void
3082	ev_break (EV_P_ int how)	3403	ev_break (EV_P_ int how) EV_THROW
3083	{	3404	{
3084	loop_done = how;	3405	loop_done = how;
3085	}	3406	}
3086		3407
3087	void	3408	void
3088	ev_ref (EV_P)	3409	ev_ref (EV_P) EV_THROW
3089	{	3410	{
3090	++activecnt;	3411	++activecnt;
3091	}	3412	}
3092		3413
3093	void	3414	void
3094	ev_unref (EV_P)	3415	ev_unref (EV_P) EV_THROW
3095	{	3416	{
3096	--activecnt;	3417	--activecnt;
3097	}	3418	}
3098		3419
3099	void	3420	void
3100	ev_now_update (EV_P)	3421	ev_now_update (EV_P) EV_THROW
3101	{	3422	{
3102	time_update (EV_A_ 1e100);	3423	time_update (EV_A_ 1e100);
3103	}	3424	}
3104		3425
3105	void	3426	void
3106	ev_suspend (EV_P)	3427	ev_suspend (EV_P) EV_THROW
3107	{	3428	{
3108	ev_now_update (EV_A);	3429	ev_now_update (EV_A);
3109	}	3430	}
3110		3431
3111	void	3432	void
3112	ev_resume (EV_P)	3433	ev_resume (EV_P) EV_THROW
3113	{	3434	{
3114	ev_tstamp mn_prev = mn_now;	3435	ev_tstamp mn_prev = mn_now;
3115		3436
3116	ev_now_update (EV_A);	3437	ev_now_update (EV_A);
3117	timers_reschedule (EV_A_ mn_now - mn_prev);	3438	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3156	w->pending = 0;	3477	w->pending = 0;
3157	}	3478	}
3158	}	3479	}
3159		3480
3160	int	3481	int
3161	ev_clear_pending (EV_P_ void *w)	3482	ev_clear_pending (EV_P_ void *w) EV_THROW
3162	{	3483	{
3163	W w_ = (W)w;	3484	W w_ = (W)w;
3164	int pending = w_->pending;	3485	int pending = w_->pending;
3165		3486
3166	if (expect_true (pending))	3487	if (expect_true (pending))
…		…
3199	}	3520	}
3200		3521
3201	/*****************************************************************************/	3522	/*****************************************************************************/
3202		3523
3203	void noinline	3524	void noinline
3204	ev_io_start (EV_P_ ev_io *w)	3525	ev_io_start (EV_P_ ev_io *w) EV_THROW
3205	{	3526	{
3206	int fd = w->fd;	3527	int fd = w->fd;
3207		3528
3208	if (expect_false (ev_is_active (w)))	3529	if (expect_false (ev_is_active (w)))
3209	return;	3530	return;
…		…
3215		3536
3216	ev_start (EV_A_ (W)w, 1);	3537	ev_start (EV_A_ (W)w, 1);
3217	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3538	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3218	wlist_add (&anfds[fd].head, (WL)w);	3539	wlist_add (&anfds[fd].head, (WL)w);
3219		3540
		3541	/* common bug, apparently */
		3542	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3543
3220	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3544	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3221	w->events &= ~EV__IOFDSET;	3545	w->events &= ~EV__IOFDSET;
3222		3546
3223	EV_FREQUENT_CHECK;	3547	EV_FREQUENT_CHECK;
3224	}	3548	}
3225		3549
3226	void noinline	3550	void noinline
3227	ev_io_stop (EV_P_ ev_io *w)	3551	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3228	{	3552	{
3229	clear_pending (EV_A_ (W)w);	3553	clear_pending (EV_A_ (W)w);
3230	if (expect_false (!ev_is_active (w)))	3554	if (expect_false (!ev_is_active (w)))
3231	return;	3555	return;
3232		3556
…		…
3241		3565
3242	EV_FREQUENT_CHECK;	3566	EV_FREQUENT_CHECK;
3243	}	3567	}
3244		3568
3245	void noinline	3569	void noinline
3246	ev_timer_start (EV_P_ ev_timer *w)	3570	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3247	{	3571	{
3248	if (expect_false (ev_is_active (w)))	3572	if (expect_false (ev_is_active (w)))
3249	return;	3573	return;
3250		3574
3251	ev_at (w) += mn_now;	3575	ev_at (w) += mn_now;
…		…
3265		3589
3266	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3590	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3267	}	3591	}
3268		3592
3269	void noinline	3593	void noinline
3270	ev_timer_stop (EV_P_ ev_timer *w)	3594	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3271	{	3595	{
3272	clear_pending (EV_A_ (W)w);	3596	clear_pending (EV_A_ (W)w);
3273	if (expect_false (!ev_is_active (w)))	3597	if (expect_false (!ev_is_active (w)))
3274	return;	3598	return;
3275		3599
…		…
3295		3619
3296	EV_FREQUENT_CHECK;	3620	EV_FREQUENT_CHECK;
3297	}	3621	}
3298		3622
3299	void noinline	3623	void noinline
3300	ev_timer_again (EV_P_ ev_timer *w)	3624	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3301	{	3625	{
3302	EV_FREQUENT_CHECK;	3626	EV_FREQUENT_CHECK;
3303		3627
3304	clear_pending (EV_A_ w);	3628	clear_pending (EV_A_ (W)w);
3305		3629
3306	if (ev_is_active (w))	3630	if (ev_is_active (w))
3307	{	3631	{
3308	if (w->repeat)	3632	if (w->repeat)
3309	{	3633	{
…		…
3322		3646
3323	EV_FREQUENT_CHECK;	3647	EV_FREQUENT_CHECK;
3324	}	3648	}
3325		3649
3326	ev_tstamp	3650	ev_tstamp
3327	ev_timer_remaining (EV_P_ ev_timer *w)	3651	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3328	{	3652	{
3329	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3653	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3330	}	3654	}
3331		3655
3332	#if EV_PERIODIC_ENABLE	3656	#if EV_PERIODIC_ENABLE
3333	void noinline	3657	void noinline
3334	ev_periodic_start (EV_P_ ev_periodic *w)	3658	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3335	{	3659	{
3336	if (expect_false (ev_is_active (w)))	3660	if (expect_false (ev_is_active (w)))
3337	return;	3661	return;
3338		3662
3339	if (w->reschedule_cb)	3663	if (w->reschedule_cb)
…		…
3359		3683
3360	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3684	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3361	}	3685	}
3362		3686
3363	void noinline	3687	void noinline
3364	ev_periodic_stop (EV_P_ ev_periodic *w)	3688	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3365	{	3689	{
3366	clear_pending (EV_A_ (W)w);	3690	clear_pending (EV_A_ (W)w);
3367	if (expect_false (!ev_is_active (w)))	3691	if (expect_false (!ev_is_active (w)))
3368	return;	3692	return;
3369		3693
…		…
3387		3711
3388	EV_FREQUENT_CHECK;	3712	EV_FREQUENT_CHECK;
3389	}	3713	}
3390		3714
3391	void noinline	3715	void noinline
3392	ev_periodic_again (EV_P_ ev_periodic *w)	3716	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3393	{	3717	{
3394	/* TODO: use adjustheap and recalculation */	3718	/* TODO: use adjustheap and recalculation */
3395	ev_periodic_stop (EV_A_ w);	3719	ev_periodic_stop (EV_A_ w);
3396	ev_periodic_start (EV_A_ w);	3720	ev_periodic_start (EV_A_ w);
3397	}	3721	}
…		…
3402	#endif	3726	#endif
3403		3727
3404	#if EV_SIGNAL_ENABLE	3728	#if EV_SIGNAL_ENABLE
3405		3729
3406	void noinline	3730	void noinline
3407	ev_signal_start (EV_P_ ev_signal *w)	3731	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3408	{	3732	{
3409	if (expect_false (ev_is_active (w)))	3733	if (expect_false (ev_is_active (w)))
3410	return;	3734	return;
3411		3735
3412	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3736	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3414	#if EV_MULTIPLICITY	3738	#if EV_MULTIPLICITY
3415	assert (("libev: a signal must not be attached to two different loops",	3739	assert (("libev: a signal must not be attached to two different loops",
3416	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3740	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3417		3741
3418	signals [w->signum - 1].loop = EV_A;	3742	signals [w->signum - 1].loop = EV_A;
		3743	ECB_MEMORY_FENCE_RELEASE;
3419	#endif	3744	#endif
3420		3745
3421	EV_FREQUENT_CHECK;	3746	EV_FREQUENT_CHECK;
3422		3747
3423	#if EV_USE_SIGNALFD	3748	#if EV_USE_SIGNALFD
…		…
3483		3808
3484	EV_FREQUENT_CHECK;	3809	EV_FREQUENT_CHECK;
3485	}	3810	}
3486		3811
3487	void noinline	3812	void noinline
3488	ev_signal_stop (EV_P_ ev_signal *w)	3813	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3489	{	3814	{
3490	clear_pending (EV_A_ (W)w);	3815	clear_pending (EV_A_ (W)w);
3491	if (expect_false (!ev_is_active (w)))	3816	if (expect_false (!ev_is_active (w)))
3492	return;	3817	return;
3493		3818
…		…
3524	#endif	3849	#endif
3525		3850
3526	#if EV_CHILD_ENABLE	3851	#if EV_CHILD_ENABLE
3527		3852
3528	void	3853	void
3529	ev_child_start (EV_P_ ev_child *w)	3854	ev_child_start (EV_P_ ev_child *w) EV_THROW
3530	{	3855	{
3531	#if EV_MULTIPLICITY	3856	#if EV_MULTIPLICITY
3532	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3857	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3533	#endif	3858	#endif
3534	if (expect_false (ev_is_active (w)))	3859	if (expect_false (ev_is_active (w)))
…		…
3541		3866
3542	EV_FREQUENT_CHECK;	3867	EV_FREQUENT_CHECK;
3543	}	3868	}
3544		3869
3545	void	3870	void
3546	ev_child_stop (EV_P_ ev_child *w)	3871	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3547	{	3872	{
3548	clear_pending (EV_A_ (W)w);	3873	clear_pending (EV_A_ (W)w);
3549	if (expect_false (!ev_is_active (w)))	3874	if (expect_false (!ev_is_active (w)))
3550	return;	3875	return;
3551		3876
…		…
3578	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3903	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3579		3904
3580	static void noinline	3905	static void noinline
3581	infy_add (EV_P_ ev_stat *w)	3906	infy_add (EV_P_ ev_stat *w)
3582	{	3907	{
3583	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);	3908	w->wd = inotify_add_watch (fs_fd, w->path,
		3909	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3910	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3911	| IN_DONT_FOLLOW | IN_MASK_ADD);
3584		3912
3585	if (w->wd >= 0)	3913	if (w->wd >= 0)
3586	{	3914	{
3587	struct statfs sfs;	3915	struct statfs sfs;
3588		3916
…		…
3592		3920
3593	if (!fs_2625)	3921	if (!fs_2625)
3594	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3922	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3595	else if (!statfs (w->path, &sfs)	3923	else if (!statfs (w->path, &sfs)
3596	&& (sfs.f_type == 0x1373 /* devfs */	3924	&& (sfs.f_type == 0x1373 /* devfs */
		3925	|| sfs.f_type == 0x4006 /* fat */
		3926	|| sfs.f_type == 0x4d44 /* msdos */
3597	|| sfs.f_type == 0xEF53 /* ext2/3 */	3927	|| sfs.f_type == 0xEF53 /* ext2/3 */
		3928	|| sfs.f_type == 0x72b6 /* jffs2 */
		3929	|| sfs.f_type == 0x858458f6 /* ramfs */
		3930	|| sfs.f_type == 0x5346544e /* ntfs */
3598	|| sfs.f_type == 0x3153464a /* jfs */	3931	|| sfs.f_type == 0x3153464a /* jfs */
		3932	|| sfs.f_type == 0x9123683e /* btrfs */
3599	|| sfs.f_type == 0x52654973 /* reiser3 */	3933	|| sfs.f_type == 0x52654973 /* reiser3 */
3600	|| sfs.f_type == 0x01021994 /* tempfs */	3934	|| sfs.f_type == 0x01021994 /* tmpfs */
3601	|| sfs.f_type == 0x58465342 /* xfs */))	3935	|| sfs.f_type == 0x58465342 /* xfs */))
3602	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3936	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3603	else	3937	else
3604	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	3938	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3605	}	3939	}
…		…
3718	}	4052	}
3719		4053
3720	inline_size int	4054	inline_size int
3721	infy_newfd (void)	4055	infy_newfd (void)
3722	{	4056	{
3723	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4057	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3724	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4058	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3725	if (fd >= 0)	4059	if (fd >= 0)
3726	return fd;	4060	return fd;
3727	#endif	4061	#endif
3728	return inotify_init ();	4062	return inotify_init ();
…		…
3803	#else	4137	#else
3804	# define EV_LSTAT(p,b) lstat (p, b)	4138	# define EV_LSTAT(p,b) lstat (p, b)
3805	#endif	4139	#endif
3806		4140
3807	void	4141	void
3808	ev_stat_stat (EV_P_ ev_stat *w)	4142	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3809	{	4143	{
3810	if (lstat (w->path, &w->attr) < 0)	4144	if (lstat (w->path, &w->attr) < 0)
3811	w->attr.st_nlink = 0;	4145	w->attr.st_nlink = 0;
3812	else if (!w->attr.st_nlink)	4146	else if (!w->attr.st_nlink)
3813	w->attr.st_nlink = 1;	4147	w->attr.st_nlink = 1;
…		…
3852	ev_feed_event (EV_A_ w, EV_STAT);	4186	ev_feed_event (EV_A_ w, EV_STAT);
3853	}	4187	}
3854	}	4188	}
3855		4189
3856	void	4190	void
3857	ev_stat_start (EV_P_ ev_stat *w)	4191	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3858	{	4192	{
3859	if (expect_false (ev_is_active (w)))	4193	if (expect_false (ev_is_active (w)))
3860	return;	4194	return;
3861		4195
3862	ev_stat_stat (EV_A_ w);	4196	ev_stat_stat (EV_A_ w);
…		…
3883		4217
3884	EV_FREQUENT_CHECK;	4218	EV_FREQUENT_CHECK;
3885	}	4219	}
3886		4220
3887	void	4221	void
3888	ev_stat_stop (EV_P_ ev_stat *w)	4222	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3889	{	4223	{
3890	clear_pending (EV_A_ (W)w);	4224	clear_pending (EV_A_ (W)w);
3891	if (expect_false (!ev_is_active (w)))	4225	if (expect_false (!ev_is_active (w)))
3892	return;	4226	return;
3893		4227
…		…
3909	}	4243	}
3910	#endif	4244	#endif
3911		4245
3912	#if EV_IDLE_ENABLE	4246	#if EV_IDLE_ENABLE
3913	void	4247	void
3914	ev_idle_start (EV_P_ ev_idle *w)	4248	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3915	{	4249	{
3916	if (expect_false (ev_is_active (w)))	4250	if (expect_false (ev_is_active (w)))
3917	return;	4251	return;
3918		4252
3919	pri_adjust (EV_A_ (W)w);	4253	pri_adjust (EV_A_ (W)w);
…		…
3932		4266
3933	EV_FREQUENT_CHECK;	4267	EV_FREQUENT_CHECK;
3934	}	4268	}
3935		4269
3936	void	4270	void
3937	ev_idle_stop (EV_P_ ev_idle *w)	4271	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3938	{	4272	{
3939	clear_pending (EV_A_ (W)w);	4273	clear_pending (EV_A_ (W)w);
3940	if (expect_false (!ev_is_active (w)))	4274	if (expect_false (!ev_is_active (w)))
3941	return;	4275	return;
3942		4276
…		…
3956	}	4290	}
3957	#endif	4291	#endif
3958		4292
3959	#if EV_PREPARE_ENABLE	4293	#if EV_PREPARE_ENABLE
3960	void	4294	void
3961	ev_prepare_start (EV_P_ ev_prepare *w)	4295	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3962	{	4296	{
3963	if (expect_false (ev_is_active (w)))	4297	if (expect_false (ev_is_active (w)))
3964	return;	4298	return;
3965		4299
3966	EV_FREQUENT_CHECK;	4300	EV_FREQUENT_CHECK;
…		…
3971		4305
3972	EV_FREQUENT_CHECK;	4306	EV_FREQUENT_CHECK;
3973	}	4307	}
3974		4308
3975	void	4309	void
3976	ev_prepare_stop (EV_P_ ev_prepare *w)	4310	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3977	{	4311	{
3978	clear_pending (EV_A_ (W)w);	4312	clear_pending (EV_A_ (W)w);
3979	if (expect_false (!ev_is_active (w)))	4313	if (expect_false (!ev_is_active (w)))
3980	return;	4314	return;
3981		4315
…		…
3994	}	4328	}
3995	#endif	4329	#endif
3996		4330
3997	#if EV_CHECK_ENABLE	4331	#if EV_CHECK_ENABLE
3998	void	4332	void
3999	ev_check_start (EV_P_ ev_check *w)	4333	ev_check_start (EV_P_ ev_check *w) EV_THROW
4000	{	4334	{
4001	if (expect_false (ev_is_active (w)))	4335	if (expect_false (ev_is_active (w)))
4002	return;	4336	return;
4003		4337
4004	EV_FREQUENT_CHECK;	4338	EV_FREQUENT_CHECK;
…		…
4009		4343
4010	EV_FREQUENT_CHECK;	4344	EV_FREQUENT_CHECK;
4011	}	4345	}
4012		4346
4013	void	4347	void
4014	ev_check_stop (EV_P_ ev_check *w)	4348	ev_check_stop (EV_P_ ev_check *w) EV_THROW
4015	{	4349	{
4016	clear_pending (EV_A_ (W)w);	4350	clear_pending (EV_A_ (W)w);
4017	if (expect_false (!ev_is_active (w)))	4351	if (expect_false (!ev_is_active (w)))
4018	return;	4352	return;
4019		4353
…		…
4032	}	4366	}
4033	#endif	4367	#endif
4034		4368
4035	#if EV_EMBED_ENABLE	4369	#if EV_EMBED_ENABLE
4036	void noinline	4370	void noinline
4037	ev_embed_sweep (EV_P_ ev_embed *w)	4371	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
4038	{	4372	{
4039	ev_run (w->other, EVRUN_NOWAIT);	4373	ev_run (w->other, EVRUN_NOWAIT);
4040	}	4374	}
4041		4375
4042	static void	4376	static void
…		…
4090	ev_idle_stop (EV_A_ idle);	4424	ev_idle_stop (EV_A_ idle);
4091	}	4425	}
4092	#endif	4426	#endif
4093		4427
4094	void	4428	void
4095	ev_embed_start (EV_P_ ev_embed *w)	4429	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4096	{	4430	{
4097	if (expect_false (ev_is_active (w)))	4431	if (expect_false (ev_is_active (w)))
4098	return;	4432	return;
4099		4433
4100	{	4434	{
…		…
4121		4455
4122	EV_FREQUENT_CHECK;	4456	EV_FREQUENT_CHECK;
4123	}	4457	}
4124		4458
4125	void	4459	void
4126	ev_embed_stop (EV_P_ ev_embed *w)	4460	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4127	{	4461	{
4128	clear_pending (EV_A_ (W)w);	4462	clear_pending (EV_A_ (W)w);
4129	if (expect_false (!ev_is_active (w)))	4463	if (expect_false (!ev_is_active (w)))
4130	return;	4464	return;
4131		4465
…		…
4141	}	4475	}
4142	#endif	4476	#endif
4143		4477
4144	#if EV_FORK_ENABLE	4478	#if EV_FORK_ENABLE
4145	void	4479	void
4146	ev_fork_start (EV_P_ ev_fork *w)	4480	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4147	{	4481	{
4148	if (expect_false (ev_is_active (w)))	4482	if (expect_false (ev_is_active (w)))
4149	return;	4483	return;
4150		4484
4151	EV_FREQUENT_CHECK;	4485	EV_FREQUENT_CHECK;
…		…
4156		4490
4157	EV_FREQUENT_CHECK;	4491	EV_FREQUENT_CHECK;
4158	}	4492	}
4159		4493
4160	void	4494	void
4161	ev_fork_stop (EV_P_ ev_fork *w)	4495	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4162	{	4496	{
4163	clear_pending (EV_A_ (W)w);	4497	clear_pending (EV_A_ (W)w);
4164	if (expect_false (!ev_is_active (w)))	4498	if (expect_false (!ev_is_active (w)))
4165	return;	4499	return;
4166		4500
…		…
4179	}	4513	}
4180	#endif	4514	#endif
4181		4515
4182	#if EV_CLEANUP_ENABLE	4516	#if EV_CLEANUP_ENABLE
4183	void	4517	void
4184	ev_cleanup_start (EV_P_ ev_cleanup *w)	4518	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4185	{	4519	{
4186	if (expect_false (ev_is_active (w)))	4520	if (expect_false (ev_is_active (w)))
4187	return;	4521	return;
4188		4522
4189	EV_FREQUENT_CHECK;	4523	EV_FREQUENT_CHECK;
…		…
4196	ev_unref (EV_A);	4530	ev_unref (EV_A);
4197	EV_FREQUENT_CHECK;	4531	EV_FREQUENT_CHECK;
4198	}	4532	}
4199		4533
4200	void	4534	void
4201	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4535	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4202	{	4536	{
4203	clear_pending (EV_A_ (W)w);	4537	clear_pending (EV_A_ (W)w);
4204	if (expect_false (!ev_is_active (w)))	4538	if (expect_false (!ev_is_active (w)))
4205	return;	4539	return;
4206		4540
…		…
4220	}	4554	}
4221	#endif	4555	#endif
4222		4556
4223	#if EV_ASYNC_ENABLE	4557	#if EV_ASYNC_ENABLE
4224	void	4558	void
4225	ev_async_start (EV_P_ ev_async *w)	4559	ev_async_start (EV_P_ ev_async *w) EV_THROW
4226	{	4560	{
4227	if (expect_false (ev_is_active (w)))	4561	if (expect_false (ev_is_active (w)))
4228	return;	4562	return;
4229		4563
4230	w->sent = 0;	4564	w->sent = 0;
…		…
4239		4573
4240	EV_FREQUENT_CHECK;	4574	EV_FREQUENT_CHECK;
4241	}	4575	}
4242		4576
4243	void	4577	void
4244	ev_async_stop (EV_P_ ev_async *w)	4578	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4245	{	4579	{
4246	clear_pending (EV_A_ (W)w);	4580	clear_pending (EV_A_ (W)w);
4247	if (expect_false (!ev_is_active (w)))	4581	if (expect_false (!ev_is_active (w)))
4248	return;	4582	return;
4249		4583
…		…
4260		4594
4261	EV_FREQUENT_CHECK;	4595	EV_FREQUENT_CHECK;
4262	}	4596	}
4263		4597
4264	void	4598	void
4265	ev_async_send (EV_P_ ev_async *w)	4599	ev_async_send (EV_P_ ev_async *w) EV_THROW
4266	{	4600	{
4267	w->sent = 1;	4601	w->sent = 1;
4268	evpipe_write (EV_A_ &async_pending);	4602	evpipe_write (EV_A_ &async_pending);
4269	}	4603	}
4270	#endif	4604	#endif
…		…
4307		4641
4308	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4642	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4309	}	4643	}
4310		4644
4311	void	4645	void
4312	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4646	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4313	{	4647	{
4314	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4648	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4315		4649
4316	if (expect_false (!once))	4650	if (expect_false (!once))
4317	{	4651	{
…		…
4339		4673
4340	/*****************************************************************************/	4674	/*****************************************************************************/
4341		4675
4342	#if EV_WALK_ENABLE	4676	#if EV_WALK_ENABLE
4343	void ecb_cold	4677	void ecb_cold
4344	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4678	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4345	{	4679	{
4346	int i, j;	4680	int i, j;
4347	ev_watcher_list *wl, *wn;	4681	ev_watcher_list *wl, *wn;
4348		4682
4349	if (types & (EV_IO | EV_EMBED))	4683	if (types & (EV_IO | EV_EMBED))

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