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Comparing libev/ev.c (file contents):
Revision 1.393 by root, Thu Aug 4 14:47:48 2011 UTC vs.
Revision 1.454 by root, Fri Mar 1 11:13:22 2013 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
59	# endif	59	# endif
60	# ifndef EV_USE_MONOTONIC	60	# ifndef EV_USE_MONOTONIC
61	# define EV_USE_MONOTONIC 1	61	# define EV_USE_MONOTONIC 1
62	# endif	62	# endif
63	# endif	63	# endif
64	# elif !defined(EV_USE_CLOCK_SYSCALL)	64	# elif !defined EV_USE_CLOCK_SYSCALL
65	# define EV_USE_CLOCK_SYSCALL 0	65	# define EV_USE_CLOCK_SYSCALL 0
66	# endif	66	# endif
67		67
68	# if HAVE_CLOCK_GETTIME	68	# if HAVE_CLOCK_GETTIME
69	# ifndef EV_USE_MONOTONIC	69	# ifndef EV_USE_MONOTONIC
…		…
183	# include EV_H	183	# include EV_H
184	#else	184	#else
185	# include "ev.h"	185	# include "ev.h"
186	#endif	186	#endif
187		187
188	EV_CPP(extern "C" {)	188	#if EV_NO_THREADS
		189	# undef EV_NO_SMP
		190	# define EV_NO_SMP 1
		191	# undef ECB_NO_THREADS
		192	# define ECB_NO_THREADS 1
		193	#endif
		194	#if EV_NO_SMP
		195	# undef EV_NO_SMP
		196	# define ECB_NO_SMP 1
		197	#endif
189		198
190	#ifndef _WIN32	199	#ifndef _WIN32
191	# include <sys/time.h>	200	# include <sys/time.h>
192	# include <sys/wait.h>	201	# include <sys/wait.h>
193	# include <unistd.h>	202	# include <unistd.h>
194	#else	203	#else
195	# include <io.h>	204	# include <io.h>
196	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
197	# include <windows.h>	207	# include <windows.h>
198	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
199	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
200	# endif	210	# endif
201	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
210	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
211		221
212	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
213		223
214	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
215	#if defined (EV_NSIG)	225	#if defined EV_NSIG
216	/* use what's provided */	226	/* use what's provided */
217	#elif defined (NSIG)	227	#elif defined NSIG
218	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
219	#elif defined(_NSIG)	229	#elif defined _NSIG
220	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
221	#elif defined (SIGMAX)	231	#elif defined SIGMAX
222	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
223	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
224	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
225	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
226	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
227	#elif defined (MAXSIG)	237	#elif defined MAXSIG
228	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
229	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
230	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
231	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
232	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
234	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235	#else	245	#else
236	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
237	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	261	# endif
252	#endif	262	#endif
253		263
254	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	267	# else
258	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
259	# endif	269	# endif
260	#endif	270	#endif
…		…
347		357
348	#ifndef EV_HEAP_CACHE_AT	358	#ifndef EV_HEAP_CACHE_AT
349	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	359	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350	#endif	360	#endif
351		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
352	/* 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, */
353	/* which makes programs even slower. might work on other unices, too. */	379	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	380	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	381	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	382	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	383	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	384	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	385	# define EV_USE_MONOTONIC 1
360	# else	386	# else
…		…
363	# endif	389	# endif
364	#endif	390	#endif
365		391
366	/* 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 */
367		393
368	#ifdef _AIX
369	/* AIX has a completely broken poll.h header */
370	# undef EV_USE_POLL
371	# define EV_USE_POLL 0
372	#endif
373
374	#ifndef CLOCK_MONOTONIC	394	#ifndef CLOCK_MONOTONIC
375	# undef EV_USE_MONOTONIC	395	# undef EV_USE_MONOTONIC
376	# define EV_USE_MONOTONIC 0	396	# define EV_USE_MONOTONIC 0
377	#endif	397	#endif
378		398
…		…
386	# define EV_USE_INOTIFY 0	406	# define EV_USE_INOTIFY 0
387	#endif	407	#endif
388		408
389	#if !EV_USE_NANOSLEEP	409	#if !EV_USE_NANOSLEEP
390	/* 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 */
391	# if !defined(_WIN32) && !defined(__hpux)	411	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	412	# include <sys/select.h>
393	# endif	413	# endif
394	#endif	414	#endif
395		415
396	#if EV_USE_INOTIFY	416	#if EV_USE_INOTIFY
…		…
399	/* 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 */
400	# ifndef IN_DONT_FOLLOW	420	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	421	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	422	# define EV_USE_INOTIFY 0
403	# endif	423	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	424	#endif
409		425
410	#if EV_USE_EVENTFD	426	#if EV_USE_EVENTFD
411	/* 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 */
412	# include <stdint.h>	428	# include <stdint.h>
…		…
469	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	485	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ECB.H BEGIN */	486	/* ECB.H BEGIN */
471	/*	487	/*
472	* libecb - http://software.schmorp.de/pkg/libecb	488	* libecb - http://software.schmorp.de/pkg/libecb
473	*	489	*
474	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>	490	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
475	* Copyright (©) 2011 Emanuele Giaquinta	491	* Copyright (©) 2011 Emanuele Giaquinta
476	* All rights reserved.	492	* All rights reserved.
477	*	493	*
478	* Redistribution and use in source and binary forms, with or without modifica-	494	* Redistribution and use in source and binary forms, with or without modifica-
479	* tion, are permitted provided that the following conditions are met:	495	* tion, are permitted provided that the following conditions are met:
…		…
498	*/	514	*/
499		515
500	#ifndef ECB_H	516	#ifndef ECB_H
501	#define ECB_H	517	#define ECB_H
502		518
		519	/* 16 bits major, 16 bits minor */
		520	#define ECB_VERSION 0x00010003
		521
503	#ifdef _WIN32	522	#ifdef _WIN32
504	typedef signed char int8_t;	523	typedef signed char int8_t;
505	typedef unsigned char uint8_t;	524	typedef unsigned char uint8_t;
506	typedef signed short int16_t;	525	typedef signed short int16_t;
507	typedef unsigned short uint16_t;	526	typedef unsigned short uint16_t;
…		…
512	typedef unsigned long long uint64_t;	531	typedef unsigned long long uint64_t;
513	#else /* _MSC_VER || __BORLANDC__ */	532	#else /* _MSC_VER || __BORLANDC__ */
514	typedef signed __int64 int64_t;	533	typedef signed __int64 int64_t;
515	typedef unsigned __int64 uint64_t;	534	typedef unsigned __int64 uint64_t;
516	#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
517	#else	545	#else
518	#include <inttypes.h>	546	#include <inttypes.h>
		547	#if UINTMAX_MAX > 0xffffffffU
		548	#define ECB_PTRSIZE 8
		549	#else
		550	#define ECB_PTRSIZE 4
		551	#endif
		552	#endif
		553
		554	/* work around x32 idiocy by defining proper macros */
		555	#if __x86_64 || _M_AMD64
		556	#if __ILP32
		557	#define ECB_AMD64_X32 1
		558	#else
		559	#define ECB_AMD64 1
		560	#endif
519	#endif	561	#endif
520		562
521	/* many compilers define _GNUC_ to some versions but then only implement	563	/* many compilers define _GNUC_ to some versions but then only implement
522	* what their idiot authors think are the "more important" extensions,	564	* what their idiot authors think are the "more important" extensions,
523	* causing enormous grief in return for some better fake benchmark numbers.	565	* causing enormous grief in return for some better fake benchmark numbers.
524	* or so.	566	* or so.
525	* we try to detect these and simply assume they are not gcc - if they have	567	* we try to detect these and simply assume they are not gcc - if they have
526	* an issue with that they should have done it right in the first place.	568	* an issue with that they should have done it right in the first place.
527	*/	569	*/
528	#ifndef ECB_GCC_VERSION	570	#ifndef ECB_GCC_VERSION
529	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	571	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
530	#define ECB_GCC_VERSION(major,minor) 0	572	#define ECB_GCC_VERSION(major,minor) 0
531	#else	573	#else
532	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	574	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533	#endif	575	#endif
534	#endif	576	#endif
535		577
		578	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		579	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		580	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		581	#define ECB_CPP (__cplusplus+0)
		582	#define ECB_CPP11 (__cplusplus >= 201103L)
		583
		584	#if ECB_CPP
		585	#define ECB_EXTERN_C extern "C"
		586	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		587	#define ECB_EXTERN_C_END }
		588	#else
		589	#define ECB_EXTERN_C extern
		590	#define ECB_EXTERN_C_BEG
		591	#define ECB_EXTERN_C_END
		592	#endif
		593
536	/*****************************************************************************/	594	/*****************************************************************************/
537		595
538	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	596	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
539	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */	597	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540		598
541	#if ECB_NO_THREADS || ECB_NO_SMP	599	#if ECB_NO_THREADS
		600	#define ECB_NO_SMP 1
		601	#endif
		602
		603	#if ECB_NO_SMP
542	#define ECB_MEMORY_FENCE do { } while (0)	604	#define ECB_MEMORY_FENCE do { } while (0)
543	#endif	605	#endif
544		606
545	#ifndef ECB_MEMORY_FENCE	607	#ifndef ECB_MEMORY_FENCE
546	#if ECB_GCC_VERSION(2,5)	608	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
547	#if __x86	609	#if __i386 || __i386__
548	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	610	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
549	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	611	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
550	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	612	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
551	#elif __amd64	613	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
552	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	614	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
553	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	615	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
554	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */	616	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
555	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	617	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
556	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
557	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	619	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
558	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	620	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
559	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,4" : : "r" (0) : "memory")	621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
560	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	622	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
561	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	623	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dsb" : : : "memory")	624	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		625	#elif __sparc || __sparc__
		626	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		627	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		628	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		629	#elif defined __s390__ || defined __s390x__
		630	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		631	#elif defined __mips__
		632	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		633	#elif defined __alpha__
		634	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		635	#elif defined __hppa__
		636	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		637	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		638	#elif defined __ia64__
		639	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
563	#endif	640	#endif
564	#endif	641	#endif
565	#endif	642	#endif
566		643
567	#ifndef ECB_MEMORY_FENCE	644	#ifndef ECB_MEMORY_FENCE
		645	#if ECB_GCC_VERSION(4,7)
		646	/* see comment below (stdatomic.h) about the C11 memory model. */
		647	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		648
		649	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		650	* without risking compile time errors with other compilers. We *could*
		651	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		652	* around this shit time and again.
		653	* #elif defined __clang && __has_feature (cxx_atomic)
		654	* // see comment below (stdatomic.h) about the C11 memory model.
		655	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		656	*/
		657
568	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)	658	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
569	#define ECB_MEMORY_FENCE __sync_synchronize ()	659	#define ECB_MEMORY_FENCE __sync_synchronize ()
570	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
571	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
572	#elif _MSC_VER >= 1400 /* VC++ 2005 */	660	#elif _MSC_VER >= 1400 /* VC++ 2005 */
573	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	661	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
574	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	662	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
575	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	663	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
576	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	664	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
577	#elif defined(_WIN32)	665	#elif defined _WIN32
578	#include <WinNT.h>	666	#include <WinNT.h>
579	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	667	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		668	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		669	#include <mbarrier.h>
		670	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		671	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		672	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		673	#elif __xlC__
		674	#define ECB_MEMORY_FENCE __sync ()
		675	#endif
		676	#endif
		677
		678	#ifndef ECB_MEMORY_FENCE
		679	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		680	/* we assume that these memory fences work on all variables/all memory accesses, */
		681	/* not just C11 atomics and atomic accesses */
		682	#include <stdatomic.h>
		683	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		684	/* any fence other than seq_cst, which isn't very efficient for us. */
		685	/* Why that is, we don't know - either the C11 memory model is quite useless */
		686	/* for most usages, or gcc and clang have a bug */
		687	/* I *currently* lean towards the latter, and inefficiently implement */
		688	/* all three of ecb's fences as a seq_cst fence */
		689	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
580	#endif	690	#endif
581	#endif	691	#endif
582		692
583	#ifndef ECB_MEMORY_FENCE	693	#ifndef ECB_MEMORY_FENCE
584	#if !ECB_AVOID_PTHREADS	694	#if !ECB_AVOID_PTHREADS
…		…
596	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	706	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
597	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)	707	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
598	#endif	708	#endif
599	#endif	709	#endif
600		710
601	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	711	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
602	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	712	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
603	#endif	713	#endif
604		714
605	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	715	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
606	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	716	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
607	#endif	717	#endif
608		718
609	/*****************************************************************************/	719	/*****************************************************************************/
610
611	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
612		720
613	#if __cplusplus	721	#if __cplusplus
614	#define ecb_inline static inline	722	#define ecb_inline static inline
615	#elif ECB_GCC_VERSION(2,5)	723	#elif ECB_GCC_VERSION(2,5)
616	#define ecb_inline static __inline__	724	#define ecb_inline static __inline__
…		…
655	#elif ECB_GCC_VERSION(3,0)	763	#elif ECB_GCC_VERSION(3,0)
656	#define ecb_decltype(x) __typeof(x)	764	#define ecb_decltype(x) __typeof(x)
657	#endif	765	#endif
658		766
659	#define ecb_noinline ecb_attribute ((__noinline__))	767	#define ecb_noinline ecb_attribute ((__noinline__))
660	#define ecb_noreturn ecb_attribute ((__noreturn__))
661	#define ecb_unused ecb_attribute ((__unused__))	768	#define ecb_unused ecb_attribute ((__unused__))
662	#define ecb_const ecb_attribute ((__const__))	769	#define ecb_const ecb_attribute ((__const__))
663	#define ecb_pure ecb_attribute ((__pure__))	770	#define ecb_pure ecb_attribute ((__pure__))
		771
		772	#if ECB_C11
		773	#define ecb_noreturn _Noreturn
		774	#else
		775	#define ecb_noreturn ecb_attribute ((__noreturn__))
		776	#endif
664		777
665	#if ECB_GCC_VERSION(4,3)	778	#if ECB_GCC_VERSION(4,3)
666	#define ecb_artificial ecb_attribute ((__artificial__))	779	#define ecb_artificial ecb_attribute ((__artificial__))
667	#define ecb_hot ecb_attribute ((__hot__))	780	#define ecb_hot ecb_attribute ((__hot__))
668	#define ecb_cold ecb_attribute ((__cold__))	781	#define ecb_cold ecb_attribute ((__cold__))
…		…
759		872
760	return r + ecb_ld32 (x);	873	return r + ecb_ld32 (x);
761	}	874	}
762	#endif	875	#endif
763		876
		877	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		878	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		879	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		880	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		881
		882	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		883	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		884	{
		885	return ( (x * 0x0802U & 0x22110U)
		886	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		887	}
		888
		889	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		890	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		891	{
		892	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		893	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		894	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		895	x = ( x >> 8 ) | ( x << 8);
		896
		897	return x;
		898	}
		899
		900	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		901	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		902	{
		903	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		904	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		905	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		906	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		907	x = ( x >> 16 ) | ( x << 16);
		908
		909	return x;
		910	}
		911
764	/* popcount64 is only available on 64 bit cpus as gcc builtin */	912	/* popcount64 is only available on 64 bit cpus as gcc builtin */
765	/* so for this version we are lazy */	913	/* so for this version we are lazy */
766	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	914	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
767	ecb_function_ int	915	ecb_function_ int
768	ecb_popcount64 (uint64_t x)	916	ecb_popcount64 (uint64_t x)
…		…
817		965
818	#if ECB_GCC_VERSION(4,5)	966	#if ECB_GCC_VERSION(4,5)
819	#define ecb_unreachable() __builtin_unreachable ()	967	#define ecb_unreachable() __builtin_unreachable ()
820	#else	968	#else
821	/* this seems to work fine, but gcc always emits a warning for it :/ */	969	/* this seems to work fine, but gcc always emits a warning for it :/ */
822	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	970	ecb_inline void ecb_unreachable (void) ecb_noreturn;
823	ecb_function_ void ecb_unreachable (void) { }	971	ecb_inline void ecb_unreachable (void) { }
824	#endif	972	#endif
825		973
826	/* try to tell the compiler that some condition is definitely true */	974	/* try to tell the compiler that some condition is definitely true */
827	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	975	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
828		976
829	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	977	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
830	ecb_function_ unsigned char	978	ecb_inline unsigned char
831	ecb_byteorder_helper (void)	979	ecb_byteorder_helper (void)
832	{	980	{
833	const uint32_t u = 0x11223344;	981	/* the union code still generates code under pressure in gcc, */
834	return *(unsigned char *)&u;	982	/* but less than using pointers, and always seems to */
		983	/* successfully return a constant. */
		984	/* the reason why we have this horrible preprocessor mess */
		985	/* is to avoid it in all cases, at least on common architectures */
		986	/* or when using a recent enough gcc version (>= 4.6) */
		987	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		988	return 0x44;
		989	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		990	return 0x44;
		991	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		992	return 0x11;
		993	#else
		994	union
		995	{
		996	uint32_t i;
		997	uint8_t c;
		998	} u = { 0x11223344 };
		999	return u.c;
		1000	#endif
835	}	1001	}
836		1002
837	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1003	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
838	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1004	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
839	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1005	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
840	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1006	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
841		1007
842	#if ECB_GCC_VERSION(3,0) || ECB_C99	1008	#if ECB_GCC_VERSION(3,0) || ECB_C99
843	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1009	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
844	#else	1010	#else
845	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1011	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1012	#endif
		1013
		1014	#if __cplusplus
		1015	template<typename T>
		1016	static inline T ecb_div_rd (T val, T div)
		1017	{
		1018	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1019	}
		1020	template<typename T>
		1021	static inline T ecb_div_ru (T val, T div)
		1022	{
		1023	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1024	}
		1025	#else
		1026	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1027	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
846	#endif	1028	#endif
847		1029
848	#if ecb_cplusplus_does_not_suck	1030	#if ecb_cplusplus_does_not_suck
849	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */	1031	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
850	template<typename T, int N>	1032	template<typename T, int N>
…		…
854	}	1036	}
855	#else	1037	#else
856	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1038	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
857	#endif	1039	#endif
858		1040
		1041	/*******************************************************************************/
		1042	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1043
		1044	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1045	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1046	#if 0 \
		1047	|| __i386 || __i386__ \
		1048	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1049	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1050	|| defined __arm__ && defined __ARM_EABI__ \
		1051	|| defined __s390__ || defined __s390x__ \
		1052	|| defined __mips__ \
		1053	|| defined __alpha__ \
		1054	|| defined __hppa__ \
		1055	|| defined __ia64__ \
		1056	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1057	#define ECB_STDFP 1
		1058	#include <string.h> /* for memcpy */
		1059	#else
		1060	#define ECB_STDFP 0
		1061	#include <math.h> /* for frexp*, ldexp* */
		1062	#endif
		1063
		1064	#ifndef ECB_NO_LIBM
		1065
		1066	/* convert a float to ieee single/binary32 */
		1067	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1068	ecb_function_ uint32_t
		1069	ecb_float_to_binary32 (float x)
		1070	{
		1071	uint32_t r;
		1072
		1073	#if ECB_STDFP
		1074	memcpy (&r, &x, 4);
		1075	#else
		1076	/* slow emulation, works for anything but -0 */
		1077	uint32_t m;
		1078	int e;
		1079
		1080	if (x == 0e0f ) return 0x00000000U;
		1081	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1082	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1083	if (x != x ) return 0x7fbfffffU;
		1084
		1085	m = frexpf (x, &e) * 0x1000000U;
		1086
		1087	r = m & 0x80000000U;
		1088
		1089	if (r)
		1090	m = -m;
		1091
		1092	if (e <= -126)
		1093	{
		1094	m &= 0xffffffU;
		1095	m >>= (-125 - e);
		1096	e = -126;
		1097	}
		1098
		1099	r |= (e + 126) << 23;
		1100	r |= m & 0x7fffffU;
		1101	#endif
		1102
		1103	return r;
		1104	}
		1105
		1106	/* converts an ieee single/binary32 to a float */
		1107	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1108	ecb_function_ float
		1109	ecb_binary32_to_float (uint32_t x)
		1110	{
		1111	float r;
		1112
		1113	#if ECB_STDFP
		1114	memcpy (&r, &x, 4);
		1115	#else
		1116	/* emulation, only works for normals and subnormals and +0 */
		1117	int neg = x >> 31;
		1118	int e = (x >> 23) & 0xffU;
		1119
		1120	x &= 0x7fffffU;
		1121
		1122	if (e)
		1123	x |= 0x800000U;
		1124	else
		1125	e = 1;
		1126
		1127	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1128	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1129
		1130	r = neg ? -r : r;
		1131	#endif
		1132
		1133	return r;
		1134	}
		1135
		1136	/* convert a double to ieee double/binary64 */
		1137	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1138	ecb_function_ uint64_t
		1139	ecb_double_to_binary64 (double x)
		1140	{
		1141	uint64_t r;
		1142
		1143	#if ECB_STDFP
		1144	memcpy (&r, &x, 8);
		1145	#else
		1146	/* slow emulation, works for anything but -0 */
		1147	uint64_t m;
		1148	int e;
		1149
		1150	if (x == 0e0 ) return 0x0000000000000000U;
		1151	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1152	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1153	if (x != x ) return 0X7ff7ffffffffffffU;
		1154
		1155	m = frexp (x, &e) * 0x20000000000000U;
		1156
		1157	r = m & 0x8000000000000000;;
		1158
		1159	if (r)
		1160	m = -m;
		1161
		1162	if (e <= -1022)
		1163	{
		1164	m &= 0x1fffffffffffffU;
		1165	m >>= (-1021 - e);
		1166	e = -1022;
		1167	}
		1168
		1169	r |= ((uint64_t)(e + 1022)) << 52;
		1170	r |= m & 0xfffffffffffffU;
		1171	#endif
		1172
		1173	return r;
		1174	}
		1175
		1176	/* converts an ieee double/binary64 to a double */
		1177	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1178	ecb_function_ double
		1179	ecb_binary64_to_double (uint64_t x)
		1180	{
		1181	double r;
		1182
		1183	#if ECB_STDFP
		1184	memcpy (&r, &x, 8);
		1185	#else
		1186	/* emulation, only works for normals and subnormals and +0 */
		1187	int neg = x >> 63;
		1188	int e = (x >> 52) & 0x7ffU;
		1189
		1190	x &= 0xfffffffffffffU;
		1191
		1192	if (e)
		1193	x |= 0x10000000000000U;
		1194	else
		1195	e = 1;
		1196
		1197	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1198	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1199
		1200	r = neg ? -r : r;
		1201	#endif
		1202
		1203	return r;
		1204	}
		1205
		1206	#endif
		1207
859	#endif	1208	#endif
860		1209
861	/* ECB.H END */	1210	/* ECB.H END */
862		1211
863	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1212	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1213	/* if your architecture doesn't need memory fences, e.g. because it is
		1214	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1215	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1216	* libev, in which cases the memory fences become nops.
		1217	* alternatively, you can remove this #error and link against libpthread,
		1218	* which will then provide the memory fences.
		1219	*/
		1220	# error "memory fences not defined for your architecture, please report"
		1221	#endif
		1222
864	# undef ECB_MEMORY_FENCE	1223	#ifndef ECB_MEMORY_FENCE
865	# undef ECB_MEMORY_FENCE_ACQUIRE	1224	# define ECB_MEMORY_FENCE do { } while (0)
866	# undef ECB_MEMORY_FENCE_RELEASE	1225	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1226	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
867	#endif	1227	#endif
868		1228
869	#define expect_false(cond) ecb_expect_false (cond)	1229	#define expect_false(cond) ecb_expect_false (cond)
870	#define expect_true(cond) ecb_expect_true (cond)	1230	#define expect_true(cond) ecb_expect_true (cond)
871	#define noinline ecb_noinline	1231	#define noinline ecb_noinline
…		…
1018	{	1378	{
1019	write (STDERR_FILENO, msg, strlen (msg));	1379	write (STDERR_FILENO, msg, strlen (msg));
1020	}	1380	}
1021	#endif	1381	#endif
1022		1382
1023	static void (*syserr_cb)(const char *msg);	1383	static void (*syserr_cb)(const char *msg) EV_THROW;
1024		1384
1025	void ecb_cold	1385	void ecb_cold
1026	ev_set_syserr_cb (void (*cb)(const char *msg))	1386	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1027	{	1387	{
1028	syserr_cb = cb;	1388	syserr_cb = cb;
1029	}	1389	}
1030		1390
1031	static void noinline ecb_cold	1391	static void noinline ecb_cold
…		…
1049	abort ();	1409	abort ();
1050	}	1410	}
1051	}	1411	}
1052		1412
1053	static void *	1413	static void *
1054	ev_realloc_emul (void *ptr, long size)	1414	ev_realloc_emul (void *ptr, long size) EV_THROW
1055	{	1415	{
1056	#if __GLIBC__
1057	return realloc (ptr, size);
1058	#else
1059	/* some systems, notably openbsd and darwin, fail to properly	1416	/* some systems, notably openbsd and darwin, fail to properly
1060	* implement realloc (x, 0) (as required by both ansi c-89 and	1417	* implement realloc (x, 0) (as required by both ansi c-89 and
1061	* the single unix specification, so work around them here.	1418	* the single unix specification, so work around them here.
		1419	* recently, also (at least) fedora and debian started breaking it,
		1420	* despite documenting it otherwise.
1062	*/	1421	*/
1063		1422
1064	if (size)	1423	if (size)
1065	return realloc (ptr, size);	1424	return realloc (ptr, size);
1066		1425
1067	free (ptr);	1426	free (ptr);
1068	return 0;	1427	return 0;
1069	#endif
1070	}	1428	}
1071		1429
1072	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1430	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1073		1431
1074	void ecb_cold	1432	void ecb_cold
1075	ev_set_allocator (void *(*cb)(void *ptr, long size))	1433	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1076	{	1434	{
1077	alloc = cb;	1435	alloc = cb;
1078	}	1436	}
1079		1437
1080	inline_speed void *	1438	inline_speed void *
…		…
1168	#undef VAR	1526	#undef VAR
1169	};	1527	};
1170	#include "ev_wrap.h"	1528	#include "ev_wrap.h"
1171		1529
1172	static struct ev_loop default_loop_struct;	1530	static struct ev_loop default_loop_struct;
1173	struct ev_loop *ev_default_loop_ptr;	1531	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1174		1532
1175	#else	1533	#else
1176		1534
1177	ev_tstamp ev_rt_now;	1535	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
1178	#define VAR(name,decl) static decl;	1536	#define VAR(name,decl) static decl;
1179	#include "ev_vars.h"	1537	#include "ev_vars.h"
1180	#undef VAR	1538	#undef VAR
1181		1539
1182	static int ev_default_loop_ptr;	1540	static int ev_default_loop_ptr;
…		…
1197		1555
1198	/*****************************************************************************/	1556	/*****************************************************************************/
1199		1557
1200	#ifndef EV_HAVE_EV_TIME	1558	#ifndef EV_HAVE_EV_TIME
1201	ev_tstamp	1559	ev_tstamp
1202	ev_time (void)	1560	ev_time (void) EV_THROW
1203	{	1561	{
1204	#if EV_USE_REALTIME	1562	#if EV_USE_REALTIME
1205	if (expect_true (have_realtime))	1563	if (expect_true (have_realtime))
1206	{	1564	{
1207	struct timespec ts;	1565	struct timespec ts;
…		…
1231	return ev_time ();	1589	return ev_time ();
1232	}	1590	}
1233		1591
1234	#if EV_MULTIPLICITY	1592	#if EV_MULTIPLICITY
1235	ev_tstamp	1593	ev_tstamp
1236	ev_now (EV_P)	1594	ev_now (EV_P) EV_THROW
1237	{	1595	{
1238	return ev_rt_now;	1596	return ev_rt_now;
1239	}	1597	}
1240	#endif	1598	#endif
1241		1599
1242	void	1600	void
1243	ev_sleep (ev_tstamp delay)	1601	ev_sleep (ev_tstamp delay) EV_THROW
1244	{	1602	{
1245	if (delay > 0.)	1603	if (delay > 0.)
1246	{	1604	{
1247	#if EV_USE_NANOSLEEP	1605	#if EV_USE_NANOSLEEP
1248	struct timespec ts;	1606	struct timespec ts;
1249		1607
1250	EV_TS_SET (ts, delay);	1608	EV_TS_SET (ts, delay);
1251	nanosleep (&ts, 0);	1609	nanosleep (&ts, 0);
1252	#elif defined(_WIN32)	1610	#elif defined _WIN32
1253	Sleep ((unsigned long)(delay * 1e3));	1611	Sleep ((unsigned long)(delay * 1e3));
1254	#else	1612	#else
1255	struct timeval tv;	1613	struct timeval tv;
1256		1614
1257	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1615	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1276		1634
1277	do	1635	do
1278	ncur <<= 1;	1636	ncur <<= 1;
1279	while (cnt > ncur);	1637	while (cnt > ncur);
1280		1638
1281	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1639	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1282	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1640	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1283	{	1641	{
1284	ncur *= elem;	1642	ncur *= elem;
1285	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1643	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1286	ncur = ncur - sizeof (void *) * 4;	1644	ncur = ncur - sizeof (void *) * 4;
…		…
1329	pendingcb (EV_P_ ev_prepare *w, int revents)	1687	pendingcb (EV_P_ ev_prepare *w, int revents)
1330	{	1688	{
1331	}	1689	}
1332		1690
1333	void noinline	1691	void noinline
1334	ev_feed_event (EV_P_ void *w, int revents)	1692	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1335	{	1693	{
1336	W w_ = (W)w;	1694	W w_ = (W)w;
1337	int pri = ABSPRI (w_);	1695	int pri = ABSPRI (w_);
1338		1696
1339	if (expect_false (w_->pending))	1697	if (expect_false (w_->pending))
…		…
1343	w_->pending = ++pendingcnt [pri];	1701	w_->pending = ++pendingcnt [pri];
1344	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1702	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1345	pendings [pri][w_->pending - 1].w = w_;	1703	pendings [pri][w_->pending - 1].w = w_;
1346	pendings [pri][w_->pending - 1].events = revents;	1704	pendings [pri][w_->pending - 1].events = revents;
1347	}	1705	}
		1706
		1707	pendingpri = NUMPRI - 1;
1348	}	1708	}
1349		1709
1350	inline_speed void	1710	inline_speed void
1351	feed_reverse (EV_P_ W w)	1711	feed_reverse (EV_P_ W w)
1352	{	1712	{
…		…
1398	if (expect_true (!anfd->reify))	1758	if (expect_true (!anfd->reify))
1399	fd_event_nocheck (EV_A_ fd, revents);	1759	fd_event_nocheck (EV_A_ fd, revents);
1400	}	1760	}
1401		1761
1402	void	1762	void
1403	ev_feed_fd_event (EV_P_ int fd, int revents)	1763	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1404	{	1764	{
1405	if (fd >= 0 && fd < anfdmax)	1765	if (fd >= 0 && fd < anfdmax)
1406	fd_event_nocheck (EV_A_ fd, revents);	1766	fd_event_nocheck (EV_A_ fd, revents);
1407	}	1767	}
1408		1768
…		…
1727	static void noinline ecb_cold	2087	static void noinline ecb_cold
1728	evpipe_init (EV_P)	2088	evpipe_init (EV_P)
1729	{	2089	{
1730	if (!ev_is_active (&pipe_w))	2090	if (!ev_is_active (&pipe_w))
1731	{	2091	{
		2092	int fds [2];
		2093
1732	# if EV_USE_EVENTFD	2094	# if EV_USE_EVENTFD
		2095	fds [0] = -1;
1733	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2096	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1734	if (evfd < 0 && errno == EINVAL)	2097	if (fds [1] < 0 && errno == EINVAL)
1735	evfd = eventfd (0, 0);	2098	fds [1] = eventfd (0, 0);
1736		2099
1737	if (evfd >= 0)	2100	if (fds [1] < 0)
		2101	# endif
1738	{	2102	{
		2103	while (pipe (fds))
		2104	ev_syserr ("(libev) error creating signal/async pipe");
		2105
		2106	fd_intern (fds [0]);
		2107	}
		2108
		2109	fd_intern (fds [1]);
		2110
1739	evpipe [0] = -1;	2111	evpipe [0] = fds [0];
1740	fd_intern (evfd); /* doing it twice doesn't hurt */	2112
1741	ev_io_set (&pipe_w, evfd, EV_READ);	2113	if (evpipe [1] < 0)
		2114	evpipe [1] = fds [1]; /* first call, set write fd */
		2115	else
		2116	{
		2117	/* on subsequent calls, do not change evpipe [1] */
		2118	/* so that evpipe_write can always rely on its value. */
		2119	/* this branch does not do anything sensible on windows, */
		2120	/* so must not be executed on windows */
		2121
		2122	dup2 (fds [1], evpipe [1]);
		2123	close (fds [1]);
		2124	}
		2125
		2126	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2127	ev_io_start (EV_A_ &pipe_w);
		2128	ev_unref (EV_A); /* watcher should not keep loop alive */
		2129	}
		2130	}
		2131
		2132	inline_speed void
		2133	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2134	{
		2135	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2136
		2137	if (expect_true (*flag))
		2138	return;
		2139
		2140	*flag = 1;
		2141	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2142
		2143	pipe_write_skipped = 1;
		2144
		2145	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2146
		2147	if (pipe_write_wanted)
		2148	{
		2149	int old_errno;
		2150
		2151	pipe_write_skipped = 0;
		2152	ECB_MEMORY_FENCE_RELEASE;
		2153
		2154	old_errno = errno; /* save errno because write will clobber it */
		2155
		2156	#if EV_USE_EVENTFD
		2157	if (evpipe [0] < 0)
		2158	{
		2159	uint64_t counter = 1;
		2160	write (evpipe [1], &counter, sizeof (uint64_t));
1742	}	2161	}
1743	else	2162	else
1744	# endif	2163	#endif
1745	{	2164	{
1746	while (pipe (evpipe))	2165	#ifdef _WIN32
1747	ev_syserr ("(libev) error creating signal/async pipe");	2166	WSABUF buf;
1748		2167	DWORD sent;
1749	fd_intern (evpipe [0]);	2168	buf.buf = &buf;
1750	fd_intern (evpipe [1]);	2169	buf.len = 1;
1751	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2170	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1752	}	2171	#else
1753
1754	ev_io_start (EV_A_ &pipe_w);
1755	ev_unref (EV_A); /* watcher should not keep loop alive */
1756	}
1757	}
1758
1759	inline_speed void
1760	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1761	{
1762	if (expect_true (*flag))
1763	return;
1764
1765	*flag = 1;
1766
1767	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
1768
1769	pipe_write_skipped = 1;
1770
1771	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
1772
1773	if (pipe_write_wanted)
1774	{
1775	int old_errno;
1776
1777	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
1778
1779	old_errno = errno; /* save errno because write will clobber it */
1780
1781	#if EV_USE_EVENTFD
1782	if (evfd >= 0)
1783	{
1784	uint64_t counter = 1;
1785	write (evfd, &counter, sizeof (uint64_t));
1786	}
1787	else
1788	#endif
1789	{
1790	/* win32 people keep sending patches that change this write() to send() */
1791	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1792	/* so when you think this write should be a send instead, please find out */
1793	/* where your send() is from - it's definitely not the microsoft send, and */
1794	/* tell me. thank you. */
1795	write (evpipe [1], &(evpipe [1]), 1);	2172	write (evpipe [1], &(evpipe [1]), 1);
		2173	#endif
1796	}	2174	}
1797		2175
1798	errno = old_errno;	2176	errno = old_errno;
1799	}	2177	}
1800	}	2178	}
…		…
1807	int i;	2185	int i;
1808		2186
1809	if (revents & EV_READ)	2187	if (revents & EV_READ)
1810	{	2188	{
1811	#if EV_USE_EVENTFD	2189	#if EV_USE_EVENTFD
1812	if (evfd >= 0)	2190	if (evpipe [0] < 0)
1813	{	2191	{
1814	uint64_t counter;	2192	uint64_t counter;
1815	read (evfd, &counter, sizeof (uint64_t));	2193	read (evpipe [1], &counter, sizeof (uint64_t));
1816	}	2194	}
1817	else	2195	else
1818	#endif	2196	#endif
1819	{	2197	{
1820	char dummy;	2198	char dummy[4];
1821	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2199	#ifdef _WIN32
		2200	WSABUF buf;
		2201	DWORD recvd;
		2202	DWORD flags = 0;
		2203	buf.buf = dummy;
		2204	buf.len = sizeof (dummy);
		2205	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2206	#else
1822	read (evpipe [0], &dummy, 1);	2207	read (evpipe [0], &dummy, sizeof (dummy));
		2208	#endif
1823	}	2209	}
1824	}	2210	}
1825		2211
1826	pipe_write_skipped = 0;	2212	pipe_write_skipped = 0;
		2213
		2214	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1827		2215
1828	#if EV_SIGNAL_ENABLE	2216	#if EV_SIGNAL_ENABLE
1829	if (sig_pending)	2217	if (sig_pending)
1830	{	2218	{
1831	sig_pending = 0;	2219	sig_pending = 0;
		2220
		2221	ECB_MEMORY_FENCE;
1832		2222
1833	for (i = EV_NSIG - 1; i--; )	2223	for (i = EV_NSIG - 1; i--; )
1834	if (expect_false (signals [i].pending))	2224	if (expect_false (signals [i].pending))
1835	ev_feed_signal_event (EV_A_ i + 1);	2225	ev_feed_signal_event (EV_A_ i + 1);
1836	}	2226	}
…		…
1838		2228
1839	#if EV_ASYNC_ENABLE	2229	#if EV_ASYNC_ENABLE
1840	if (async_pending)	2230	if (async_pending)
1841	{	2231	{
1842	async_pending = 0;	2232	async_pending = 0;
		2233
		2234	ECB_MEMORY_FENCE;
1843		2235
1844	for (i = asynccnt; i--; )	2236	for (i = asynccnt; i--; )
1845	if (asyncs [i]->sent)	2237	if (asyncs [i]->sent)
1846	{	2238	{
1847	asyncs [i]->sent = 0;	2239	asyncs [i]->sent = 0;
		2240	ECB_MEMORY_FENCE_RELEASE;
1848	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2241	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1849	}	2242	}
1850	}	2243	}
1851	#endif	2244	#endif
1852	}	2245	}
1853		2246
1854	/*****************************************************************************/	2247	/*****************************************************************************/
1855		2248
1856	void	2249	void
1857	ev_feed_signal (int signum)	2250	ev_feed_signal (int signum) EV_THROW
1858	{	2251	{
1859	#if EV_MULTIPLICITY	2252	#if EV_MULTIPLICITY
		2253	EV_P;
		2254	ECB_MEMORY_FENCE_ACQUIRE;
1860	EV_P = signals [signum - 1].loop;	2255	EV_A = signals [signum - 1].loop;
1861		2256
1862	if (!EV_A)	2257	if (!EV_A)
1863	return;	2258	return;
1864	#endif	2259	#endif
1865		2260
1866	if (!ev_active (&pipe_w))
1867	return;
1868
1869	signals [signum - 1].pending = 1;	2261	signals [signum - 1].pending = 1;
1870	evpipe_write (EV_A_ &sig_pending);	2262	evpipe_write (EV_A_ &sig_pending);
1871	}	2263	}
1872		2264
1873	static void	2265	static void
…		…
1879		2271
1880	ev_feed_signal (signum);	2272	ev_feed_signal (signum);
1881	}	2273	}
1882		2274
1883	void noinline	2275	void noinline
1884	ev_feed_signal_event (EV_P_ int signum)	2276	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1885	{	2277	{
1886	WL w;	2278	WL w;
1887		2279
1888	if (expect_false (signum <= 0 || signum > EV_NSIG))	2280	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1889	return;	2281	return;
1890		2282
1891	--signum;	2283	--signum;
1892		2284
1893	#if EV_MULTIPLICITY	2285	#if EV_MULTIPLICITY
…		…
1897	if (expect_false (signals [signum].loop != EV_A))	2289	if (expect_false (signals [signum].loop != EV_A))
1898	return;	2290	return;
1899	#endif	2291	#endif
1900		2292
1901	signals [signum].pending = 0;	2293	signals [signum].pending = 0;
		2294	ECB_MEMORY_FENCE_RELEASE;
1902		2295
1903	for (w = signals [signum].head; w; w = w->next)	2296	for (w = signals [signum].head; w; w = w->next)
1904	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2297	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1905	}	2298	}
1906		2299
…		…
2005	#if EV_USE_SELECT	2398	#if EV_USE_SELECT
2006	# include "ev_select.c"	2399	# include "ev_select.c"
2007	#endif	2400	#endif
2008		2401
2009	int ecb_cold	2402	int ecb_cold
2010	ev_version_major (void)	2403	ev_version_major (void) EV_THROW
2011	{	2404	{
2012	return EV_VERSION_MAJOR;	2405	return EV_VERSION_MAJOR;
2013	}	2406	}
2014		2407
2015	int ecb_cold	2408	int ecb_cold
2016	ev_version_minor (void)	2409	ev_version_minor (void) EV_THROW
2017	{	2410	{
2018	return EV_VERSION_MINOR;	2411	return EV_VERSION_MINOR;
2019	}	2412	}
2020		2413
2021	/* return true if we are running with elevated privileges and should ignore env variables */	2414	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2029	|| getgid () != getegid ();	2422	|| getgid () != getegid ();
2030	#endif	2423	#endif
2031	}	2424	}
2032		2425
2033	unsigned int ecb_cold	2426	unsigned int ecb_cold
2034	ev_supported_backends (void)	2427	ev_supported_backends (void) EV_THROW
2035	{	2428	{
2036	unsigned int flags = 0;	2429	unsigned int flags = 0;
2037		2430
2038	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2431	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2039	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2432	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2043		2436
2044	return flags;	2437	return flags;
2045	}	2438	}
2046		2439
2047	unsigned int ecb_cold	2440	unsigned int ecb_cold
2048	ev_recommended_backends (void)	2441	ev_recommended_backends (void) EV_THROW
2049	{	2442	{
2050	unsigned int flags = ev_supported_backends ();	2443	unsigned int flags = ev_supported_backends ();
2051		2444
2052	#ifndef __NetBSD__	2445	#ifndef __NetBSD__
2053	/* kqueue is borked on everything but netbsd apparently */	2446	/* kqueue is borked on everything but netbsd apparently */
…		…
2065		2458
2066	return flags;	2459	return flags;
2067	}	2460	}
2068		2461
2069	unsigned int ecb_cold	2462	unsigned int ecb_cold
2070	ev_embeddable_backends (void)	2463	ev_embeddable_backends (void) EV_THROW
2071	{	2464	{
2072	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2465	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2073		2466
2074	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2467	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2075	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2468	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2077		2470
2078	return flags;	2471	return flags;
2079	}	2472	}
2080		2473
2081	unsigned int	2474	unsigned int
2082	ev_backend (EV_P)	2475	ev_backend (EV_P) EV_THROW
2083	{	2476	{
2084	return backend;	2477	return backend;
2085	}	2478	}
2086		2479
2087	#if EV_FEATURE_API	2480	#if EV_FEATURE_API
2088	unsigned int	2481	unsigned int
2089	ev_iteration (EV_P)	2482	ev_iteration (EV_P) EV_THROW
2090	{	2483	{
2091	return loop_count;	2484	return loop_count;
2092	}	2485	}
2093		2486
2094	unsigned int	2487	unsigned int
2095	ev_depth (EV_P)	2488	ev_depth (EV_P) EV_THROW
2096	{	2489	{
2097	return loop_depth;	2490	return loop_depth;
2098	}	2491	}
2099		2492
2100	void	2493	void
2101	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2494	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2102	{	2495	{
2103	io_blocktime = interval;	2496	io_blocktime = interval;
2104	}	2497	}
2105		2498
2106	void	2499	void
2107	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2500	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2108	{	2501	{
2109	timeout_blocktime = interval;	2502	timeout_blocktime = interval;
2110	}	2503	}
2111		2504
2112	void	2505	void
2113	ev_set_userdata (EV_P_ void *data)	2506	ev_set_userdata (EV_P_ void *data) EV_THROW
2114	{	2507	{
2115	userdata = data;	2508	userdata = data;
2116	}	2509	}
2117		2510
2118	void *	2511	void *
2119	ev_userdata (EV_P)	2512	ev_userdata (EV_P) EV_THROW
2120	{	2513	{
2121	return userdata;	2514	return userdata;
2122	}	2515	}
2123		2516
2124	void	2517	void
2125	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2518	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2126	{	2519	{
2127	invoke_cb = invoke_pending_cb;	2520	invoke_cb = invoke_pending_cb;
2128	}	2521	}
2129		2522
2130	void	2523	void
2131	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2524	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2132	{	2525	{
2133	release_cb = release;	2526	release_cb = release;
2134	acquire_cb = acquire;	2527	acquire_cb = acquire;
2135	}	2528	}
2136	#endif	2529	#endif
2137		2530
2138	/* initialise a loop structure, must be zero-initialised */	2531	/* initialise a loop structure, must be zero-initialised */
2139	static void noinline ecb_cold	2532	static void noinline ecb_cold
2140	loop_init (EV_P_ unsigned int flags)	2533	loop_init (EV_P_ unsigned int flags) EV_THROW
2141	{	2534	{
2142	if (!backend)	2535	if (!backend)
2143	{	2536	{
2144	origflags = flags;	2537	origflags = flags;
2145		2538
…		…
2190	#if EV_ASYNC_ENABLE	2583	#if EV_ASYNC_ENABLE
2191	async_pending = 0;	2584	async_pending = 0;
2192	#endif	2585	#endif
2193	pipe_write_skipped = 0;	2586	pipe_write_skipped = 0;
2194	pipe_write_wanted = 0;	2587	pipe_write_wanted = 0;
		2588	evpipe [0] = -1;
		2589	evpipe [1] = -1;
2195	#if EV_USE_INOTIFY	2590	#if EV_USE_INOTIFY
2196	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2591	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2197	#endif	2592	#endif
2198	#if EV_USE_SIGNALFD	2593	#if EV_USE_SIGNALFD
2199	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2594	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2250	EV_INVOKE_PENDING;	2645	EV_INVOKE_PENDING;
2251	}	2646	}
2252	#endif	2647	#endif
2253		2648
2254	#if EV_CHILD_ENABLE	2649	#if EV_CHILD_ENABLE
2255	if (ev_is_active (&childev))	2650	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2256	{	2651	{
2257	ev_ref (EV_A); /* child watcher */	2652	ev_ref (EV_A); /* child watcher */
2258	ev_signal_stop (EV_A_ &childev);	2653	ev_signal_stop (EV_A_ &childev);
2259	}	2654	}
2260	#endif	2655	#endif
…		…
2262	if (ev_is_active (&pipe_w))	2657	if (ev_is_active (&pipe_w))
2263	{	2658	{
2264	/*ev_ref (EV_A);*/	2659	/*ev_ref (EV_A);*/
2265	/*ev_io_stop (EV_A_ &pipe_w);*/	2660	/*ev_io_stop (EV_A_ &pipe_w);*/
2266		2661
2267	#if EV_USE_EVENTFD
2268	if (evfd >= 0)
2269	close (evfd);
2270	#endif
2271
2272	if (evpipe [0] >= 0)
2273	{
2274	EV_WIN32_CLOSE_FD (evpipe [0]);	2662	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2275	EV_WIN32_CLOSE_FD (evpipe [1]);	2663	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2276	}
2277	}	2664	}
2278		2665
2279	#if EV_USE_SIGNALFD	2666	#if EV_USE_SIGNALFD
2280	if (ev_is_active (&sigfd_w))	2667	if (ev_is_active (&sigfd_w))
2281	close (sigfd);	2668	close (sigfd);
…		…
2367	#endif	2754	#endif
2368	#if EV_USE_INOTIFY	2755	#if EV_USE_INOTIFY
2369	infy_fork (EV_A);	2756	infy_fork (EV_A);
2370	#endif	2757	#endif
2371		2758
		2759	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2372	if (ev_is_active (&pipe_w))	2760	if (ev_is_active (&pipe_w))
2373	{	2761	{
2374	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2762	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2375		2763
2376	ev_ref (EV_A);	2764	ev_ref (EV_A);
2377	ev_io_stop (EV_A_ &pipe_w);	2765	ev_io_stop (EV_A_ &pipe_w);
2378		2766
2379	#if EV_USE_EVENTFD
2380	if (evfd >= 0)
2381	close (evfd);
2382	#endif
2383
2384	if (evpipe [0] >= 0)	2767	if (evpipe [0] >= 0)
2385	{
2386	EV_WIN32_CLOSE_FD (evpipe [0]);	2768	EV_WIN32_CLOSE_FD (evpipe [0]);
2387	EV_WIN32_CLOSE_FD (evpipe [1]);
2388	}
2389		2769
2390	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2391	evpipe_init (EV_A);	2770	evpipe_init (EV_A);
2392	/* now iterate over everything, in case we missed something */	2771	/* iterate over everything, in case we missed something before */
2393	pipecb (EV_A_ &pipe_w, EV_READ);	2772	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2394	#endif
2395	}	2773	}
		2774	#endif
2396		2775
2397	postfork = 0;	2776	postfork = 0;
2398	}	2777	}
2399		2778
2400	#if EV_MULTIPLICITY	2779	#if EV_MULTIPLICITY
2401		2780
2402	struct ev_loop * ecb_cold	2781	struct ev_loop * ecb_cold
2403	ev_loop_new (unsigned int flags)	2782	ev_loop_new (unsigned int flags) EV_THROW
2404	{	2783	{
2405	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2784	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2406		2785
2407	memset (EV_A, 0, sizeof (struct ev_loop));	2786	memset (EV_A, 0, sizeof (struct ev_loop));
2408	loop_init (EV_A_ flags);	2787	loop_init (EV_A_ flags);
…		…
2452	}	2831	}
2453	#endif	2832	#endif
2454		2833
2455	#if EV_FEATURE_API	2834	#if EV_FEATURE_API
2456	void ecb_cold	2835	void ecb_cold
2457	ev_verify (EV_P)	2836	ev_verify (EV_P) EV_THROW
2458	{	2837	{
2459	#if EV_VERIFY	2838	#if EV_VERIFY
2460	int i;	2839	int i;
2461	WL w;	2840	WL w, w2;
2462		2841
2463	assert (activecnt >= -1);	2842	assert (activecnt >= -1);
2464		2843
2465	assert (fdchangemax >= fdchangecnt);	2844	assert (fdchangemax >= fdchangecnt);
2466	for (i = 0; i < fdchangecnt; ++i)	2845	for (i = 0; i < fdchangecnt; ++i)
2467	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2846	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2468		2847
2469	assert (anfdmax >= 0);	2848	assert (anfdmax >= 0);
2470	for (i = 0; i < anfdmax; ++i)	2849	for (i = 0; i < anfdmax; ++i)
		2850	{
		2851	int j = 0;
		2852
2471	for (w = anfds [i].head; w; w = w->next)	2853	for (w = w2 = anfds [i].head; w; w = w->next)
2472	{	2854	{
2473	verify_watcher (EV_A_ (W)w);	2855	verify_watcher (EV_A_ (W)w);
		2856
		2857	if (j++ & 1)
		2858	{
		2859	assert (("libev: io watcher list contains a loop", w != w2));
		2860	w2 = w2->next;
		2861	}
		2862
2474	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2863	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2475	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2864	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2476	}	2865	}
		2866	}
2477		2867
2478	assert (timermax >= timercnt);	2868	assert (timermax >= timercnt);
2479	verify_heap (EV_A_ timers, timercnt);	2869	verify_heap (EV_A_ timers, timercnt);
2480		2870
2481	#if EV_PERIODIC_ENABLE	2871	#if EV_PERIODIC_ENABLE
…		…
2531	#if EV_MULTIPLICITY	2921	#if EV_MULTIPLICITY
2532	struct ev_loop * ecb_cold	2922	struct ev_loop * ecb_cold
2533	#else	2923	#else
2534	int	2924	int
2535	#endif	2925	#endif
2536	ev_default_loop (unsigned int flags)	2926	ev_default_loop (unsigned int flags) EV_THROW
2537	{	2927	{
2538	if (!ev_default_loop_ptr)	2928	if (!ev_default_loop_ptr)
2539	{	2929	{
2540	#if EV_MULTIPLICITY	2930	#if EV_MULTIPLICITY
2541	EV_P = ev_default_loop_ptr = &default_loop_struct;	2931	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2560		2950
2561	return ev_default_loop_ptr;	2951	return ev_default_loop_ptr;
2562	}	2952	}
2563		2953
2564	void	2954	void
2565	ev_loop_fork (EV_P)	2955	ev_loop_fork (EV_P) EV_THROW
2566	{	2956	{
2567	postfork = 1; /* must be in line with ev_default_fork */	2957	postfork = 1;
2568	}	2958	}
2569		2959
2570	/*****************************************************************************/	2960	/*****************************************************************************/
2571		2961
2572	void	2962	void
…		…
2574	{	2964	{
2575	EV_CB_INVOKE ((W)w, revents);	2965	EV_CB_INVOKE ((W)w, revents);
2576	}	2966	}
2577		2967
2578	unsigned int	2968	unsigned int
2579	ev_pending_count (EV_P)	2969	ev_pending_count (EV_P) EV_THROW
2580	{	2970	{
2581	int pri;	2971	int pri;
2582	unsigned int count = 0;	2972	unsigned int count = 0;
2583		2973
2584	for (pri = NUMPRI; pri--; )	2974	for (pri = NUMPRI; pri--; )
…		…
2588	}	2978	}
2589		2979
2590	void noinline	2980	void noinline
2591	ev_invoke_pending (EV_P)	2981	ev_invoke_pending (EV_P)
2592	{	2982	{
2593	int pri;	2983	pendingpri = NUMPRI;
2594		2984
2595	for (pri = NUMPRI; pri--; )	2985	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2986	{
		2987	--pendingpri;
		2988
2596	while (pendingcnt [pri])	2989	while (pendingcnt [pendingpri])
2597	{	2990	{
2598	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2991	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2599		2992
2600	p->w->pending = 0;	2993	p->w->pending = 0;
2601	EV_CB_INVOKE (p->w, p->events);	2994	EV_CB_INVOKE (p->w, p->events);
2602	EV_FREQUENT_CHECK;	2995	EV_FREQUENT_CHECK;
2603	}	2996	}
		2997	}
2604	}	2998	}
2605		2999
2606	#if EV_IDLE_ENABLE	3000	#if EV_IDLE_ENABLE
2607	/* make idle watchers pending. this handles the "call-idle */	3001	/* make idle watchers pending. this handles the "call-idle */
2608	/* only when higher priorities are idle" logic */	3002	/* only when higher priorities are idle" logic */
…		…
2698	{	3092	{
2699	EV_FREQUENT_CHECK;	3093	EV_FREQUENT_CHECK;
2700		3094
2701	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3095	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2702	{	3096	{
2703	int feed_count = 0;
2704
2705	do	3097	do
2706	{	3098	{
2707	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3099	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2708		3100
2709	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3101	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2843		3235
2844	mn_now = ev_rt_now;	3236	mn_now = ev_rt_now;
2845	}	3237	}
2846	}	3238	}
2847		3239
2848	void	3240	int
2849	ev_run (EV_P_ int flags)	3241	ev_run (EV_P_ int flags)
2850	{	3242	{
2851	#if EV_FEATURE_API	3243	#if EV_FEATURE_API
2852	++loop_depth;	3244	++loop_depth;
2853	#endif	3245	#endif
…		…
2966	#endif	3358	#endif
2967	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3359	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2968	backend_poll (EV_A_ waittime);	3360	backend_poll (EV_A_ waittime);
2969	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3361	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2970		3362
2971	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3363	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2972		3364
		3365	ECB_MEMORY_FENCE_ACQUIRE;
2973	if (pipe_write_skipped)	3366	if (pipe_write_skipped)
2974	{	3367	{
2975	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3368	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2976	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3369	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2977	}	3370	}
…		…
3010	loop_done = EVBREAK_CANCEL;	3403	loop_done = EVBREAK_CANCEL;
3011		3404
3012	#if EV_FEATURE_API	3405	#if EV_FEATURE_API
3013	--loop_depth;	3406	--loop_depth;
3014	#endif	3407	#endif
		3408
		3409	return activecnt;
3015	}	3410	}
3016		3411
3017	void	3412	void
3018	ev_break (EV_P_ int how)	3413	ev_break (EV_P_ int how) EV_THROW
3019	{	3414	{
3020	loop_done = how;	3415	loop_done = how;
3021	}	3416	}
3022		3417
3023	void	3418	void
3024	ev_ref (EV_P)	3419	ev_ref (EV_P) EV_THROW
3025	{	3420	{
3026	++activecnt;	3421	++activecnt;
3027	}	3422	}
3028		3423
3029	void	3424	void
3030	ev_unref (EV_P)	3425	ev_unref (EV_P) EV_THROW
3031	{	3426	{
3032	--activecnt;	3427	--activecnt;
3033	}	3428	}
3034		3429
3035	void	3430	void
3036	ev_now_update (EV_P)	3431	ev_now_update (EV_P) EV_THROW
3037	{	3432	{
3038	time_update (EV_A_ 1e100);	3433	time_update (EV_A_ 1e100);
3039	}	3434	}
3040		3435
3041	void	3436	void
3042	ev_suspend (EV_P)	3437	ev_suspend (EV_P) EV_THROW
3043	{	3438	{
3044	ev_now_update (EV_A);	3439	ev_now_update (EV_A);
3045	}	3440	}
3046		3441
3047	void	3442	void
3048	ev_resume (EV_P)	3443	ev_resume (EV_P) EV_THROW
3049	{	3444	{
3050	ev_tstamp mn_prev = mn_now;	3445	ev_tstamp mn_prev = mn_now;
3051		3446
3052	ev_now_update (EV_A);	3447	ev_now_update (EV_A);
3053	timers_reschedule (EV_A_ mn_now - mn_prev);	3448	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3092	w->pending = 0;	3487	w->pending = 0;
3093	}	3488	}
3094	}	3489	}
3095		3490
3096	int	3491	int
3097	ev_clear_pending (EV_P_ void *w)	3492	ev_clear_pending (EV_P_ void *w) EV_THROW
3098	{	3493	{
3099	W w_ = (W)w;	3494	W w_ = (W)w;
3100	int pending = w_->pending;	3495	int pending = w_->pending;
3101		3496
3102	if (expect_true (pending))	3497	if (expect_true (pending))
…		…
3135	}	3530	}
3136		3531
3137	/*****************************************************************************/	3532	/*****************************************************************************/
3138		3533
3139	void noinline	3534	void noinline
3140	ev_io_start (EV_P_ ev_io *w)	3535	ev_io_start (EV_P_ ev_io *w) EV_THROW
3141	{	3536	{
3142	int fd = w->fd;	3537	int fd = w->fd;
3143		3538
3144	if (expect_false (ev_is_active (w)))	3539	if (expect_false (ev_is_active (w)))
3145	return;	3540	return;
…		…
3151		3546
3152	ev_start (EV_A_ (W)w, 1);	3547	ev_start (EV_A_ (W)w, 1);
3153	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3548	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3154	wlist_add (&anfds[fd].head, (WL)w);	3549	wlist_add (&anfds[fd].head, (WL)w);
3155		3550
		3551	/* common bug, apparently */
		3552	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3553
3156	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3554	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3157	w->events &= ~EV__IOFDSET;	3555	w->events &= ~EV__IOFDSET;
3158		3556
3159	EV_FREQUENT_CHECK;	3557	EV_FREQUENT_CHECK;
3160	}	3558	}
3161		3559
3162	void noinline	3560	void noinline
3163	ev_io_stop (EV_P_ ev_io *w)	3561	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3164	{	3562	{
3165	clear_pending (EV_A_ (W)w);	3563	clear_pending (EV_A_ (W)w);
3166	if (expect_false (!ev_is_active (w)))	3564	if (expect_false (!ev_is_active (w)))
3167	return;	3565	return;
3168		3566
…		…
3177		3575
3178	EV_FREQUENT_CHECK;	3576	EV_FREQUENT_CHECK;
3179	}	3577	}
3180		3578
3181	void noinline	3579	void noinline
3182	ev_timer_start (EV_P_ ev_timer *w)	3580	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3183	{	3581	{
3184	if (expect_false (ev_is_active (w)))	3582	if (expect_false (ev_is_active (w)))
3185	return;	3583	return;
3186		3584
3187	ev_at (w) += mn_now;	3585	ev_at (w) += mn_now;
…		…
3201		3599
3202	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3600	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3203	}	3601	}
3204		3602
3205	void noinline	3603	void noinline
3206	ev_timer_stop (EV_P_ ev_timer *w)	3604	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3207	{	3605	{
3208	clear_pending (EV_A_ (W)w);	3606	clear_pending (EV_A_ (W)w);
3209	if (expect_false (!ev_is_active (w)))	3607	if (expect_false (!ev_is_active (w)))
3210	return;	3608	return;
3211		3609
…		…
3231		3629
3232	EV_FREQUENT_CHECK;	3630	EV_FREQUENT_CHECK;
3233	}	3631	}
3234		3632
3235	void noinline	3633	void noinline
3236	ev_timer_again (EV_P_ ev_timer *w)	3634	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3237	{	3635	{
3238	EV_FREQUENT_CHECK;	3636	EV_FREQUENT_CHECK;
		3637
		3638	clear_pending (EV_A_ (W)w);
3239		3639
3240	if (ev_is_active (w))	3640	if (ev_is_active (w))
3241	{	3641	{
3242	if (w->repeat)	3642	if (w->repeat)
3243	{	3643	{
…		…
3256		3656
3257	EV_FREQUENT_CHECK;	3657	EV_FREQUENT_CHECK;
3258	}	3658	}
3259		3659
3260	ev_tstamp	3660	ev_tstamp
3261	ev_timer_remaining (EV_P_ ev_timer *w)	3661	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3262	{	3662	{
3263	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3663	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3264	}	3664	}
3265		3665
3266	#if EV_PERIODIC_ENABLE	3666	#if EV_PERIODIC_ENABLE
3267	void noinline	3667	void noinline
3268	ev_periodic_start (EV_P_ ev_periodic *w)	3668	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3269	{	3669	{
3270	if (expect_false (ev_is_active (w)))	3670	if (expect_false (ev_is_active (w)))
3271	return;	3671	return;
3272		3672
3273	if (w->reschedule_cb)	3673	if (w->reschedule_cb)
…		…
3293		3693
3294	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3694	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3295	}	3695	}
3296		3696
3297	void noinline	3697	void noinline
3298	ev_periodic_stop (EV_P_ ev_periodic *w)	3698	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3299	{	3699	{
3300	clear_pending (EV_A_ (W)w);	3700	clear_pending (EV_A_ (W)w);
3301	if (expect_false (!ev_is_active (w)))	3701	if (expect_false (!ev_is_active (w)))
3302	return;	3702	return;
3303		3703
…		…
3321		3721
3322	EV_FREQUENT_CHECK;	3722	EV_FREQUENT_CHECK;
3323	}	3723	}
3324		3724
3325	void noinline	3725	void noinline
3326	ev_periodic_again (EV_P_ ev_periodic *w)	3726	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3327	{	3727	{
3328	/* TODO: use adjustheap and recalculation */	3728	/* TODO: use adjustheap and recalculation */
3329	ev_periodic_stop (EV_A_ w);	3729	ev_periodic_stop (EV_A_ w);
3330	ev_periodic_start (EV_A_ w);	3730	ev_periodic_start (EV_A_ w);
3331	}	3731	}
…		…
3336	#endif	3736	#endif
3337		3737
3338	#if EV_SIGNAL_ENABLE	3738	#if EV_SIGNAL_ENABLE
3339		3739
3340	void noinline	3740	void noinline
3341	ev_signal_start (EV_P_ ev_signal *w)	3741	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3342	{	3742	{
3343	if (expect_false (ev_is_active (w)))	3743	if (expect_false (ev_is_active (w)))
3344	return;	3744	return;
3345		3745
3346	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3746	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3348	#if EV_MULTIPLICITY	3748	#if EV_MULTIPLICITY
3349	assert (("libev: a signal must not be attached to two different loops",	3749	assert (("libev: a signal must not be attached to two different loops",
3350	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3750	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3351		3751
3352	signals [w->signum - 1].loop = EV_A;	3752	signals [w->signum - 1].loop = EV_A;
		3753	ECB_MEMORY_FENCE_RELEASE;
3353	#endif	3754	#endif
3354		3755
3355	EV_FREQUENT_CHECK;	3756	EV_FREQUENT_CHECK;
3356		3757
3357	#if EV_USE_SIGNALFD	3758	#if EV_USE_SIGNALFD
…		…
3417		3818
3418	EV_FREQUENT_CHECK;	3819	EV_FREQUENT_CHECK;
3419	}	3820	}
3420		3821
3421	void noinline	3822	void noinline
3422	ev_signal_stop (EV_P_ ev_signal *w)	3823	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3423	{	3824	{
3424	clear_pending (EV_A_ (W)w);	3825	clear_pending (EV_A_ (W)w);
3425	if (expect_false (!ev_is_active (w)))	3826	if (expect_false (!ev_is_active (w)))
3426	return;	3827	return;
3427		3828
…		…
3458	#endif	3859	#endif
3459		3860
3460	#if EV_CHILD_ENABLE	3861	#if EV_CHILD_ENABLE
3461		3862
3462	void	3863	void
3463	ev_child_start (EV_P_ ev_child *w)	3864	ev_child_start (EV_P_ ev_child *w) EV_THROW
3464	{	3865	{
3465	#if EV_MULTIPLICITY	3866	#if EV_MULTIPLICITY
3466	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3867	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3467	#endif	3868	#endif
3468	if (expect_false (ev_is_active (w)))	3869	if (expect_false (ev_is_active (w)))
…		…
3475		3876
3476	EV_FREQUENT_CHECK;	3877	EV_FREQUENT_CHECK;
3477	}	3878	}
3478		3879
3479	void	3880	void
3480	ev_child_stop (EV_P_ ev_child *w)	3881	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3481	{	3882	{
3482	clear_pending (EV_A_ (W)w);	3883	clear_pending (EV_A_ (W)w);
3483	if (expect_false (!ev_is_active (w)))	3884	if (expect_false (!ev_is_active (w)))
3484	return;	3885	return;
3485		3886
…		…
3512	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3913	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3513		3914
3514	static void noinline	3915	static void noinline
3515	infy_add (EV_P_ ev_stat *w)	3916	infy_add (EV_P_ ev_stat *w)
3516	{	3917	{
3517	w->wd = inotify_add_watch (fs_fd, w->path, IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY | IN_DONT_FOLLOW | IN_MASK_ADD);	3918	w->wd = inotify_add_watch (fs_fd, w->path,
		3919	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3920	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3921	| IN_DONT_FOLLOW | IN_MASK_ADD);
3518		3922
3519	if (w->wd >= 0)	3923	if (w->wd >= 0)
3520	{	3924	{
3521	struct statfs sfs;	3925	struct statfs sfs;
3522		3926
…		…
3526		3930
3527	if (!fs_2625)	3931	if (!fs_2625)
3528	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3932	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3529	else if (!statfs (w->path, &sfs)	3933	else if (!statfs (w->path, &sfs)
3530	&& (sfs.f_type == 0x1373 /* devfs */	3934	&& (sfs.f_type == 0x1373 /* devfs */
		3935	|| sfs.f_type == 0x4006 /* fat */
		3936	|| sfs.f_type == 0x4d44 /* msdos */
3531	|| sfs.f_type == 0xEF53 /* ext2/3 */	3937	|| sfs.f_type == 0xEF53 /* ext2/3 */
		3938	|| sfs.f_type == 0x72b6 /* jffs2 */
		3939	|| sfs.f_type == 0x858458f6 /* ramfs */
		3940	|| sfs.f_type == 0x5346544e /* ntfs */
3532	|| sfs.f_type == 0x3153464a /* jfs */	3941	|| sfs.f_type == 0x3153464a /* jfs */
		3942	|| sfs.f_type == 0x9123683e /* btrfs */
3533	|| sfs.f_type == 0x52654973 /* reiser3 */	3943	|| sfs.f_type == 0x52654973 /* reiser3 */
3534	|| sfs.f_type == 0x01021994 /* tempfs */	3944	|| sfs.f_type == 0x01021994 /* tmpfs */
3535	|| sfs.f_type == 0x58465342 /* xfs */))	3945	|| sfs.f_type == 0x58465342 /* xfs */))
3536	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3946	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3537	else	3947	else
3538	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	3948	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3539	}	3949	}
…		…
3652	}	4062	}
3653		4063
3654	inline_size int	4064	inline_size int
3655	infy_newfd (void)	4065	infy_newfd (void)
3656	{	4066	{
3657	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4067	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3658	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4068	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3659	if (fd >= 0)	4069	if (fd >= 0)
3660	return fd;	4070	return fd;
3661	#endif	4071	#endif
3662	return inotify_init ();	4072	return inotify_init ();
…		…
3737	#else	4147	#else
3738	# define EV_LSTAT(p,b) lstat (p, b)	4148	# define EV_LSTAT(p,b) lstat (p, b)
3739	#endif	4149	#endif
3740		4150
3741	void	4151	void
3742	ev_stat_stat (EV_P_ ev_stat *w)	4152	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3743	{	4153	{
3744	if (lstat (w->path, &w->attr) < 0)	4154	if (lstat (w->path, &w->attr) < 0)
3745	w->attr.st_nlink = 0;	4155	w->attr.st_nlink = 0;
3746	else if (!w->attr.st_nlink)	4156	else if (!w->attr.st_nlink)
3747	w->attr.st_nlink = 1;	4157	w->attr.st_nlink = 1;
…		…
3786	ev_feed_event (EV_A_ w, EV_STAT);	4196	ev_feed_event (EV_A_ w, EV_STAT);
3787	}	4197	}
3788	}	4198	}
3789		4199
3790	void	4200	void
3791	ev_stat_start (EV_P_ ev_stat *w)	4201	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3792	{	4202	{
3793	if (expect_false (ev_is_active (w)))	4203	if (expect_false (ev_is_active (w)))
3794	return;	4204	return;
3795		4205
3796	ev_stat_stat (EV_A_ w);	4206	ev_stat_stat (EV_A_ w);
…		…
3817		4227
3818	EV_FREQUENT_CHECK;	4228	EV_FREQUENT_CHECK;
3819	}	4229	}
3820		4230
3821	void	4231	void
3822	ev_stat_stop (EV_P_ ev_stat *w)	4232	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3823	{	4233	{
3824	clear_pending (EV_A_ (W)w);	4234	clear_pending (EV_A_ (W)w);
3825	if (expect_false (!ev_is_active (w)))	4235	if (expect_false (!ev_is_active (w)))
3826	return;	4236	return;
3827		4237
…		…
3843	}	4253	}
3844	#endif	4254	#endif
3845		4255
3846	#if EV_IDLE_ENABLE	4256	#if EV_IDLE_ENABLE
3847	void	4257	void
3848	ev_idle_start (EV_P_ ev_idle *w)	4258	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3849	{	4259	{
3850	if (expect_false (ev_is_active (w)))	4260	if (expect_false (ev_is_active (w)))
3851	return;	4261	return;
3852		4262
3853	pri_adjust (EV_A_ (W)w);	4263	pri_adjust (EV_A_ (W)w);
…		…
3866		4276
3867	EV_FREQUENT_CHECK;	4277	EV_FREQUENT_CHECK;
3868	}	4278	}
3869		4279
3870	void	4280	void
3871	ev_idle_stop (EV_P_ ev_idle *w)	4281	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3872	{	4282	{
3873	clear_pending (EV_A_ (W)w);	4283	clear_pending (EV_A_ (W)w);
3874	if (expect_false (!ev_is_active (w)))	4284	if (expect_false (!ev_is_active (w)))
3875	return;	4285	return;
3876		4286
…		…
3890	}	4300	}
3891	#endif	4301	#endif
3892		4302
3893	#if EV_PREPARE_ENABLE	4303	#if EV_PREPARE_ENABLE
3894	void	4304	void
3895	ev_prepare_start (EV_P_ ev_prepare *w)	4305	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3896	{	4306	{
3897	if (expect_false (ev_is_active (w)))	4307	if (expect_false (ev_is_active (w)))
3898	return;	4308	return;
3899		4309
3900	EV_FREQUENT_CHECK;	4310	EV_FREQUENT_CHECK;
…		…
3905		4315
3906	EV_FREQUENT_CHECK;	4316	EV_FREQUENT_CHECK;
3907	}	4317	}
3908		4318
3909	void	4319	void
3910	ev_prepare_stop (EV_P_ ev_prepare *w)	4320	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3911	{	4321	{
3912	clear_pending (EV_A_ (W)w);	4322	clear_pending (EV_A_ (W)w);
3913	if (expect_false (!ev_is_active (w)))	4323	if (expect_false (!ev_is_active (w)))
3914	return;	4324	return;
3915		4325
…		…
3928	}	4338	}
3929	#endif	4339	#endif
3930		4340
3931	#if EV_CHECK_ENABLE	4341	#if EV_CHECK_ENABLE
3932	void	4342	void
3933	ev_check_start (EV_P_ ev_check *w)	4343	ev_check_start (EV_P_ ev_check *w) EV_THROW
3934	{	4344	{
3935	if (expect_false (ev_is_active (w)))	4345	if (expect_false (ev_is_active (w)))
3936	return;	4346	return;
3937		4347
3938	EV_FREQUENT_CHECK;	4348	EV_FREQUENT_CHECK;
…		…
3943		4353
3944	EV_FREQUENT_CHECK;	4354	EV_FREQUENT_CHECK;
3945	}	4355	}
3946		4356
3947	void	4357	void
3948	ev_check_stop (EV_P_ ev_check *w)	4358	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3949	{	4359	{
3950	clear_pending (EV_A_ (W)w);	4360	clear_pending (EV_A_ (W)w);
3951	if (expect_false (!ev_is_active (w)))	4361	if (expect_false (!ev_is_active (w)))
3952	return;	4362	return;
3953		4363
…		…
3966	}	4376	}
3967	#endif	4377	#endif
3968		4378
3969	#if EV_EMBED_ENABLE	4379	#if EV_EMBED_ENABLE
3970	void noinline	4380	void noinline
3971	ev_embed_sweep (EV_P_ ev_embed *w)	4381	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3972	{	4382	{
3973	ev_run (w->other, EVRUN_NOWAIT);	4383	ev_run (w->other, EVRUN_NOWAIT);
3974	}	4384	}
3975		4385
3976	static void	4386	static void
…		…
4024	ev_idle_stop (EV_A_ idle);	4434	ev_idle_stop (EV_A_ idle);
4025	}	4435	}
4026	#endif	4436	#endif
4027		4437
4028	void	4438	void
4029	ev_embed_start (EV_P_ ev_embed *w)	4439	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4030	{	4440	{
4031	if (expect_false (ev_is_active (w)))	4441	if (expect_false (ev_is_active (w)))
4032	return;	4442	return;
4033		4443
4034	{	4444	{
…		…
4055		4465
4056	EV_FREQUENT_CHECK;	4466	EV_FREQUENT_CHECK;
4057	}	4467	}
4058		4468
4059	void	4469	void
4060	ev_embed_stop (EV_P_ ev_embed *w)	4470	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4061	{	4471	{
4062	clear_pending (EV_A_ (W)w);	4472	clear_pending (EV_A_ (W)w);
4063	if (expect_false (!ev_is_active (w)))	4473	if (expect_false (!ev_is_active (w)))
4064	return;	4474	return;
4065		4475
…		…
4075	}	4485	}
4076	#endif	4486	#endif
4077		4487
4078	#if EV_FORK_ENABLE	4488	#if EV_FORK_ENABLE
4079	void	4489	void
4080	ev_fork_start (EV_P_ ev_fork *w)	4490	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4081	{	4491	{
4082	if (expect_false (ev_is_active (w)))	4492	if (expect_false (ev_is_active (w)))
4083	return;	4493	return;
4084		4494
4085	EV_FREQUENT_CHECK;	4495	EV_FREQUENT_CHECK;
…		…
4090		4500
4091	EV_FREQUENT_CHECK;	4501	EV_FREQUENT_CHECK;
4092	}	4502	}
4093		4503
4094	void	4504	void
4095	ev_fork_stop (EV_P_ ev_fork *w)	4505	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4096	{	4506	{
4097	clear_pending (EV_A_ (W)w);	4507	clear_pending (EV_A_ (W)w);
4098	if (expect_false (!ev_is_active (w)))	4508	if (expect_false (!ev_is_active (w)))
4099	return;	4509	return;
4100		4510
…		…
4113	}	4523	}
4114	#endif	4524	#endif
4115		4525
4116	#if EV_CLEANUP_ENABLE	4526	#if EV_CLEANUP_ENABLE
4117	void	4527	void
4118	ev_cleanup_start (EV_P_ ev_cleanup *w)	4528	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4119	{	4529	{
4120	if (expect_false (ev_is_active (w)))	4530	if (expect_false (ev_is_active (w)))
4121	return;	4531	return;
4122		4532
4123	EV_FREQUENT_CHECK;	4533	EV_FREQUENT_CHECK;
…		…
4130	ev_unref (EV_A);	4540	ev_unref (EV_A);
4131	EV_FREQUENT_CHECK;	4541	EV_FREQUENT_CHECK;
4132	}	4542	}
4133		4543
4134	void	4544	void
4135	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4545	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4136	{	4546	{
4137	clear_pending (EV_A_ (W)w);	4547	clear_pending (EV_A_ (W)w);
4138	if (expect_false (!ev_is_active (w)))	4548	if (expect_false (!ev_is_active (w)))
4139	return;	4549	return;
4140		4550
…		…
4154	}	4564	}
4155	#endif	4565	#endif
4156		4566
4157	#if EV_ASYNC_ENABLE	4567	#if EV_ASYNC_ENABLE
4158	void	4568	void
4159	ev_async_start (EV_P_ ev_async *w)	4569	ev_async_start (EV_P_ ev_async *w) EV_THROW
4160	{	4570	{
4161	if (expect_false (ev_is_active (w)))	4571	if (expect_false (ev_is_active (w)))
4162	return;	4572	return;
4163		4573
4164	w->sent = 0;	4574	w->sent = 0;
…		…
4173		4583
4174	EV_FREQUENT_CHECK;	4584	EV_FREQUENT_CHECK;
4175	}	4585	}
4176		4586
4177	void	4587	void
4178	ev_async_stop (EV_P_ ev_async *w)	4588	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4179	{	4589	{
4180	clear_pending (EV_A_ (W)w);	4590	clear_pending (EV_A_ (W)w);
4181	if (expect_false (!ev_is_active (w)))	4591	if (expect_false (!ev_is_active (w)))
4182	return;	4592	return;
4183		4593
…		…
4194		4604
4195	EV_FREQUENT_CHECK;	4605	EV_FREQUENT_CHECK;
4196	}	4606	}
4197		4607
4198	void	4608	void
4199	ev_async_send (EV_P_ ev_async *w)	4609	ev_async_send (EV_P_ ev_async *w) EV_THROW
4200	{	4610	{
4201	w->sent = 1;	4611	w->sent = 1;
4202	evpipe_write (EV_A_ &async_pending);	4612	evpipe_write (EV_A_ &async_pending);
4203	}	4613	}
4204	#endif	4614	#endif
…		…
4241		4651
4242	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4652	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4243	}	4653	}
4244		4654
4245	void	4655	void
4246	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4656	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4247	{	4657	{
4248	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4658	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4249		4659
4250	if (expect_false (!once))	4660	if (expect_false (!once))
4251	{	4661	{
…		…
4273		4683
4274	/*****************************************************************************/	4684	/*****************************************************************************/
4275		4685
4276	#if EV_WALK_ENABLE	4686	#if EV_WALK_ENABLE
4277	void ecb_cold	4687	void ecb_cold
4278	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4688	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4279	{	4689	{
4280	int i, j;	4690	int i, j;
4281	ev_watcher_list *wl, *wn;	4691	ev_watcher_list *wl, *wn;
4282		4692
4283	if (types & (EV_IO | EV_EMBED))	4693	if (types & (EV_IO | EV_EMBED))
…		…
4389		4799
4390	#if EV_MULTIPLICITY	4800	#if EV_MULTIPLICITY
4391	#include "ev_wrap.h"	4801	#include "ev_wrap.h"
4392	#endif	4802	#endif
4393		4803
4394	EV_CPP(})
4395

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