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Comparing libev/ev.c (file contents):
Revision 1.395 by root, Wed Aug 24 16:08:17 2011 UTC vs.
Revision 1.459 by root, Tue Oct 29 12:13:37 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	# define EV_NSIG (8 * sizeof (sigset_t) + 1)
237	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */
239	# define EV_NSIG 65
240	#endif	247	#endif
241		248
242	#ifndef EV_USE_FLOOR	249	#ifndef EV_USE_FLOOR
243	# define EV_USE_FLOOR 0	250	# define EV_USE_FLOOR 0
244	#endif	251	#endif
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	257	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	258	# endif
252	#endif	259	#endif
253		260
254	#ifndef EV_USE_MONOTONIC	261	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	262	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	263	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	264	# else
258	# define EV_USE_MONOTONIC 0	265	# define EV_USE_MONOTONIC 0
259	# endif	266	# endif
260	#endif	267	#endif
…		…
347		354
348	#ifndef EV_HEAP_CACHE_AT	355	#ifndef EV_HEAP_CACHE_AT
349	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA	356	# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
350	#endif	357	#endif
351		358
		359	#ifdef ANDROID
		360	/* supposedly, android doesn't typedef fd_mask */
		361	# undef EV_USE_SELECT
		362	# define EV_USE_SELECT 0
		363	/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
		364	# undef EV_USE_CLOCK_SYSCALL
		365	# define EV_USE_CLOCK_SYSCALL 0
		366	#endif
		367
		368	/* aix's poll.h seems to cause lots of trouble */
		369	#ifdef _AIX
		370	/* AIX has a completely broken poll.h header */
		371	# undef EV_USE_POLL
		372	# define EV_USE_POLL 0
		373	#endif
		374
352	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	375	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
353	/* which makes programs even slower. might work on other unices, too. */	376	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	377	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	378	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	379	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	380	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	381	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	382	# define EV_USE_MONOTONIC 1
360	# else	383	# else
…		…
363	# endif	386	# endif
364	#endif	387	#endif
365		388
366	/* this block fixes any misconfiguration where we know we run into trouble otherwise */	389	/* this block fixes any misconfiguration where we know we run into trouble otherwise */
367		390
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	391	#ifndef CLOCK_MONOTONIC
375	# undef EV_USE_MONOTONIC	392	# undef EV_USE_MONOTONIC
376	# define EV_USE_MONOTONIC 0	393	# define EV_USE_MONOTONIC 0
377	#endif	394	#endif
378		395
…		…
386	# define EV_USE_INOTIFY 0	403	# define EV_USE_INOTIFY 0
387	#endif	404	#endif
388		405
389	#if !EV_USE_NANOSLEEP	406	#if !EV_USE_NANOSLEEP
390	/* hp-ux has it in sys/time.h, which we unconditionally include above */	407	/* hp-ux has it in sys/time.h, which we unconditionally include above */
391	# if !defined(_WIN32) && !defined(__hpux)	408	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	409	# include <sys/select.h>
393	# endif	410	# endif
394	#endif	411	#endif
395		412
396	#if EV_USE_INOTIFY	413	#if EV_USE_INOTIFY
…		…
399	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	416	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400	# ifndef IN_DONT_FOLLOW	417	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	418	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	419	# define EV_USE_INOTIFY 0
403	# endif	420	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	421	#endif
409		422
410	#if EV_USE_EVENTFD	423	#if EV_USE_EVENTFD
411	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	424	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412	# include <stdint.h>	425	# include <stdint.h>
…		…
469	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */	482	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ECB.H BEGIN */	483	/* ECB.H BEGIN */
471	/*	484	/*
472	* libecb - http://software.schmorp.de/pkg/libecb	485	* libecb - http://software.schmorp.de/pkg/libecb
473	*	486	*
474	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>	487	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
475	* Copyright (©) 2011 Emanuele Giaquinta	488	* Copyright (©) 2011 Emanuele Giaquinta
476	* All rights reserved.	489	* All rights reserved.
477	*	490	*
478	* Redistribution and use in source and binary forms, with or without modifica-	491	* Redistribution and use in source and binary forms, with or without modifica-
479	* tion, are permitted provided that the following conditions are met:	492	* tion, are permitted provided that the following conditions are met:
…		…
498	*/	511	*/
499		512
500	#ifndef ECB_H	513	#ifndef ECB_H
501	#define ECB_H	514	#define ECB_H
502		515
		516	/* 16 bits major, 16 bits minor */
		517	#define ECB_VERSION 0x00010003
		518
503	#ifdef _WIN32	519	#ifdef _WIN32
504	typedef signed char int8_t;	520	typedef signed char int8_t;
505	typedef unsigned char uint8_t;	521	typedef unsigned char uint8_t;
506	typedef signed short int16_t;	522	typedef signed short int16_t;
507	typedef unsigned short uint16_t;	523	typedef unsigned short uint16_t;
…		…
512	typedef unsigned long long uint64_t;	528	typedef unsigned long long uint64_t;
513	#else /* _MSC_VER || __BORLANDC__ */	529	#else /* _MSC_VER || __BORLANDC__ */
514	typedef signed __int64 int64_t;	530	typedef signed __int64 int64_t;
515	typedef unsigned __int64 uint64_t;	531	typedef unsigned __int64 uint64_t;
516	#endif	532	#endif
		533	#ifdef _WIN64
		534	#define ECB_PTRSIZE 8
		535	typedef uint64_t uintptr_t;
		536	typedef int64_t intptr_t;
		537	#else
		538	#define ECB_PTRSIZE 4
		539	typedef uint32_t uintptr_t;
		540	typedef int32_t intptr_t;
		541	#endif
517	#else	542	#else
518	#include <inttypes.h>	543	#include <inttypes.h>
		544	#if UINTMAX_MAX > 0xffffffffU
		545	#define ECB_PTRSIZE 8
		546	#else
		547	#define ECB_PTRSIZE 4
		548	#endif
		549	#endif
		550
		551	/* work around x32 idiocy by defining proper macros */
		552	#if __x86_64 || _M_AMD64
		553	#if _ILP32
		554	#define ECB_AMD64_X32 1
		555	#else
		556	#define ECB_AMD64 1
		557	#endif
519	#endif	558	#endif
520		559
521	/* many compilers define _GNUC_ to some versions but then only implement	560	/* many compilers define _GNUC_ to some versions but then only implement
522	* what their idiot authors think are the "more important" extensions,	561	* what their idiot authors think are the "more important" extensions,
523	* causing enormous grief in return for some better fake benchmark numbers.	562	* causing enormous grief in return for some better fake benchmark numbers.
524	* or so.	563	* or so.
525	* we try to detect these and simply assume they are not gcc - if they have	564	* 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.	565	* an issue with that they should have done it right in the first place.
527	*/	566	*/
528	#ifndef ECB_GCC_VERSION	567	#ifndef ECB_GCC_VERSION
529	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	568	#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	569	#define ECB_GCC_VERSION(major,minor) 0
531	#else	570	#else
532	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	571	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
533	#endif	572	#endif
534	#endif	573	#endif
535		574
		575	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		576	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		577	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		578	#define ECB_CPP (__cplusplus+0)
		579	#define ECB_CPP11 (__cplusplus >= 201103L)
		580
		581	#if ECB_CPP
		582	#define ECB_EXTERN_C extern "C"
		583	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		584	#define ECB_EXTERN_C_END }
		585	#else
		586	#define ECB_EXTERN_C extern
		587	#define ECB_EXTERN_C_BEG
		588	#define ECB_EXTERN_C_END
		589	#endif
		590
536	/*****************************************************************************/	591	/*****************************************************************************/
537		592
538	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */	593	/* 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 */	594	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
540		595
541	#if ECB_NO_THREADS || ECB_NO_SMP	596	#if ECB_NO_THREADS
		597	#define ECB_NO_SMP 1
		598	#endif
		599
		600	#if ECB_NO_SMP
542	#define ECB_MEMORY_FENCE do { } while (0)	601	#define ECB_MEMORY_FENCE do { } while (0)
543	#endif	602	#endif
544		603
545	#ifndef ECB_MEMORY_FENCE	604	#ifndef ECB_MEMORY_FENCE
546	#if ECB_GCC_VERSION(2,5)	605	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
547	#if __i386__	606	#if __i386 || __i386__
548	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	607	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
549	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */	608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
550	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */	609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
551	#elif __amd64	610	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
552	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
553	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	612	#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 */	613	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
555	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__	614	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
556	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")	615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
557	#elif defined(__ARM_ARCH_6__ ) || defined(__ARM_ARCH_6J__ ) \	616	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
558	|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6ZK__)	617	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
559	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")	618	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
560	#elif defined(__ARM_ARCH_7__ ) || defined(__ARM_ARCH_7A__ ) \	619	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
561	|| defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7R__ )	620	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
562	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")	621	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		622	#elif __sparc || __sparc__
		623	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		624	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		625	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		626	#elif defined __s390__ || defined __s390x__
		627	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		628	#elif defined __mips__
		629	/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
		630	/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
		631	#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
		632	#elif defined __alpha__
		633	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		634	#elif defined __hppa__
		635	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		636	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		637	#elif defined __ia64__
		638	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		639	#elif defined __m68k__
		640	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		641	#elif defined __m88k__
		642	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("tb1 0,%%r0,128" : : : "memory")
		643	#elif defined __sh__
		644	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
563	#endif	645	#endif
564	#endif	646	#endif
565	#endif	647	#endif
566		648
567	#ifndef ECB_MEMORY_FENCE	649	#ifndef ECB_MEMORY_FENCE
		650	#if ECB_GCC_VERSION(4,7)
		651	/* see comment below (stdatomic.h) about the C11 memory model. */
		652	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		653
		654	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		655	* without risking compile time errors with other compilers. We *could*
		656	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		657	* around this shit time and again.
		658	* #elif defined __clang && __has_feature (cxx_atomic)
		659	* // see comment below (stdatomic.h) about the C11 memory model.
		660	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		661	*/
		662
568	#if ECB_GCC_VERSION(4,4) || defined(__INTEL_COMPILER)	663	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
569	#define ECB_MEMORY_FENCE __sync_synchronize ()	664	#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 */	665	#elif _MSC_VER >= 1400 /* VC++ 2005 */
573	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)	666	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
574	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()	667	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
575	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */	668	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
576	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()	669	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
577	#elif defined(_WIN32)	670	#elif defined _WIN32
578	#include <WinNT.h>	671	#include <WinNT.h>
579	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */	672	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		673	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		674	#include <mbarrier.h>
		675	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		676	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		677	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		678	#elif __xlC__
		679	#define ECB_MEMORY_FENCE __sync ()
		680	#endif
		681	#endif
		682
		683	#ifndef ECB_MEMORY_FENCE
		684	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		685	/* we assume that these memory fences work on all variables/all memory accesses, */
		686	/* not just C11 atomics and atomic accesses */
		687	#include <stdatomic.h>
		688	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		689	/* any fence other than seq_cst, which isn't very efficient for us. */
		690	/* Why that is, we don't know - either the C11 memory model is quite useless */
		691	/* for most usages, or gcc and clang have a bug */
		692	/* I *currently* lean towards the latter, and inefficiently implement */
		693	/* all three of ecb's fences as a seq_cst fence */
		694	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
580	#endif	695	#endif
581	#endif	696	#endif
582		697
583	#ifndef ECB_MEMORY_FENCE	698	#ifndef ECB_MEMORY_FENCE
584	#if !ECB_AVOID_PTHREADS	699	#if !ECB_AVOID_PTHREADS
…		…
596	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;	711	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)	712	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
598	#endif	713	#endif
599	#endif	714	#endif
600		715
601	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)	716	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
602	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	717	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
603	#endif	718	#endif
604		719
605	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)	720	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
606	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE	721	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
607	#endif	722	#endif
608		723
609	/*****************************************************************************/	724	/*****************************************************************************/
610
611	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
612		725
613	#if __cplusplus	726	#if __cplusplus
614	#define ecb_inline static inline	727	#define ecb_inline static inline
615	#elif ECB_GCC_VERSION(2,5)	728	#elif ECB_GCC_VERSION(2,5)
616	#define ecb_inline static __inline__	729	#define ecb_inline static __inline__
…		…
655	#elif ECB_GCC_VERSION(3,0)	768	#elif ECB_GCC_VERSION(3,0)
656	#define ecb_decltype(x) __typeof(x)	769	#define ecb_decltype(x) __typeof(x)
657	#endif	770	#endif
658		771
659	#define ecb_noinline ecb_attribute ((__noinline__))	772	#define ecb_noinline ecb_attribute ((__noinline__))
660	#define ecb_noreturn ecb_attribute ((__noreturn__))
661	#define ecb_unused ecb_attribute ((__unused__))	773	#define ecb_unused ecb_attribute ((__unused__))
662	#define ecb_const ecb_attribute ((__const__))	774	#define ecb_const ecb_attribute ((__const__))
663	#define ecb_pure ecb_attribute ((__pure__))	775	#define ecb_pure ecb_attribute ((__pure__))
		776
		777	#if ECB_C11
		778	#define ecb_noreturn _Noreturn
		779	#else
		780	#define ecb_noreturn ecb_attribute ((__noreturn__))
		781	#endif
664		782
665	#if ECB_GCC_VERSION(4,3)	783	#if ECB_GCC_VERSION(4,3)
666	#define ecb_artificial ecb_attribute ((__artificial__))	784	#define ecb_artificial ecb_attribute ((__artificial__))
667	#define ecb_hot ecb_attribute ((__hot__))	785	#define ecb_hot ecb_attribute ((__hot__))
668	#define ecb_cold ecb_attribute ((__cold__))	786	#define ecb_cold ecb_attribute ((__cold__))
…		…
759		877
760	return r + ecb_ld32 (x);	878	return r + ecb_ld32 (x);
761	}	879	}
762	#endif	880	#endif
763		881
		882	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		883	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		884	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		885	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		886
		887	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		888	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		889	{
		890	return ( (x * 0x0802U & 0x22110U)
		891	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		892	}
		893
		894	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		895	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		896	{
		897	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		898	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		899	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		900	x = ( x >> 8 ) | ( x << 8);
		901
		902	return x;
		903	}
		904
		905	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		906	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		907	{
		908	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		909	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		910	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		911	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		912	x = ( x >> 16 ) | ( x << 16);
		913
		914	return x;
		915	}
		916
764	/* popcount64 is only available on 64 bit cpus as gcc builtin */	917	/* popcount64 is only available on 64 bit cpus as gcc builtin */
765	/* so for this version we are lazy */	918	/* so for this version we are lazy */
766	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;	919	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
767	ecb_function_ int	920	ecb_function_ int
768	ecb_popcount64 (uint64_t x)	921	ecb_popcount64 (uint64_t x)
…		…
817		970
818	#if ECB_GCC_VERSION(4,5)	971	#if ECB_GCC_VERSION(4,5)
819	#define ecb_unreachable() __builtin_unreachable ()	972	#define ecb_unreachable() __builtin_unreachable ()
820	#else	973	#else
821	/* this seems to work fine, but gcc always emits a warning for it :/ */	974	/* this seems to work fine, but gcc always emits a warning for it :/ */
822	ecb_function_ void ecb_unreachable (void) ecb_noreturn;	975	ecb_inline void ecb_unreachable (void) ecb_noreturn;
823	ecb_function_ void ecb_unreachable (void) { }	976	ecb_inline void ecb_unreachable (void) { }
824	#endif	977	#endif
825		978
826	/* try to tell the compiler that some condition is definitely true */	979	/* try to tell the compiler that some condition is definitely true */
827	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)	980	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
828		981
829	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;	982	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
830	ecb_function_ unsigned char	983	ecb_inline unsigned char
831	ecb_byteorder_helper (void)	984	ecb_byteorder_helper (void)
832	{	985	{
833	const uint32_t u = 0x11223344;	986	/* the union code still generates code under pressure in gcc, */
834	return *(unsigned char *)&u;	987	/* but less than using pointers, and always seems to */
		988	/* successfully return a constant. */
		989	/* the reason why we have this horrible preprocessor mess */
		990	/* is to avoid it in all cases, at least on common architectures */
		991	/* or when using a recent enough gcc version (>= 4.6) */
		992	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		993	return 0x44;
		994	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		995	return 0x44;
		996	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		997	return 0x11;
		998	#else
		999	union
		1000	{
		1001	uint32_t i;
		1002	uint8_t c;
		1003	} u = { 0x11223344 };
		1004	return u.c;
		1005	#endif
835	}	1006	}
836		1007
837	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;	1008	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
838	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }	1009	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
839	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;	1010	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
840	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }	1011	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
841		1012
842	#if ECB_GCC_VERSION(3,0) || ECB_C99	1013	#if ECB_GCC_VERSION(3,0) || ECB_C99
843	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))	1014	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
844	#else	1015	#else
845	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))	1016	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		1017	#endif
		1018
		1019	#if __cplusplus
		1020	template<typename T>
		1021	static inline T ecb_div_rd (T val, T div)
		1022	{
		1023	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1024	}
		1025	template<typename T>
		1026	static inline T ecb_div_ru (T val, T div)
		1027	{
		1028	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1029	}
		1030	#else
		1031	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1032	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
846	#endif	1033	#endif
847		1034
848	#if ecb_cplusplus_does_not_suck	1035	#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) */	1036	/* 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>	1037	template<typename T, int N>
…		…
854	}	1041	}
855	#else	1042	#else
856	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))	1043	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
857	#endif	1044	#endif
858		1045
		1046	/*******************************************************************************/
		1047	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1048
		1049	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1050	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1051	#if 0 \
		1052	|| __i386 || __i386__ \
		1053	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1054	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1055	|| defined __arm__ && defined __ARM_EABI__ \
		1056	|| defined __s390__ || defined __s390x__ \
		1057	|| defined __mips__ \
		1058	|| defined __alpha__ \
		1059	|| defined __hppa__ \
		1060	|| defined __ia64__ \
		1061	|| defined __m68k__ \
		1062	|| defined __m88k__ \
		1063	|| defined __sh__ \
		1064	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1065	#define ECB_STDFP 1
		1066	#include <string.h> /* for memcpy */
		1067	#else
		1068	#define ECB_STDFP 0
		1069	#endif
		1070
		1071	#ifndef ECB_NO_LIBM
		1072
		1073	#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
		1074
		1075	#ifdef NEN
		1076	#define ECB_NAN NAN
		1077	#else
		1078	#define ECB_NAN INFINITY
		1079	#endif
		1080
		1081	/* converts an ieee half/binary16 to a float */
		1082	ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
		1083	ecb_function_ float
		1084	ecb_binary16_to_float (uint16_t x)
		1085	{
		1086	int e = (x >> 10) & 0x1f;
		1087	int m = x & 0x3ff;
		1088	float r;
		1089
		1090	if (!e ) r = ldexpf (m , -24);
		1091	else if (e != 31) r = ldexpf (m + 0x400, e - 25);
		1092	else if (m ) r = ECB_NAN;
		1093	else r = INFINITY;
		1094
		1095	return x & 0x8000 ? -r : r;
		1096	}
		1097
		1098	/* convert a float to ieee single/binary32 */
		1099	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1100	ecb_function_ uint32_t
		1101	ecb_float_to_binary32 (float x)
		1102	{
		1103	uint32_t r;
		1104
		1105	#if ECB_STDFP
		1106	memcpy (&r, &x, 4);
		1107	#else
		1108	/* slow emulation, works for anything but -0 */
		1109	uint32_t m;
		1110	int e;
		1111
		1112	if (x == 0e0f ) return 0x00000000U;
		1113	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1114	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1115	if (x != x ) return 0x7fbfffffU;
		1116
		1117	m = frexpf (x, &e) * 0x1000000U;
		1118
		1119	r = m & 0x80000000U;
		1120
		1121	if (r)
		1122	m = -m;
		1123
		1124	if (e <= -126)
		1125	{
		1126	m &= 0xffffffU;
		1127	m >>= (-125 - e);
		1128	e = -126;
		1129	}
		1130
		1131	r |= (e + 126) << 23;
		1132	r |= m & 0x7fffffU;
		1133	#endif
		1134
		1135	return r;
		1136	}
		1137
		1138	/* converts an ieee single/binary32 to a float */
		1139	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1140	ecb_function_ float
		1141	ecb_binary32_to_float (uint32_t x)
		1142	{
		1143	float r;
		1144
		1145	#if ECB_STDFP
		1146	memcpy (&r, &x, 4);
		1147	#else
		1148	/* emulation, only works for normals and subnormals and +0 */
		1149	int neg = x >> 31;
		1150	int e = (x >> 23) & 0xffU;
		1151
		1152	x &= 0x7fffffU;
		1153
		1154	if (e)
		1155	x |= 0x800000U;
		1156	else
		1157	e = 1;
		1158
		1159	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1160	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1161
		1162	r = neg ? -r : r;
		1163	#endif
		1164
		1165	return r;
		1166	}
		1167
		1168	/* convert a double to ieee double/binary64 */
		1169	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1170	ecb_function_ uint64_t
		1171	ecb_double_to_binary64 (double x)
		1172	{
		1173	uint64_t r;
		1174
		1175	#if ECB_STDFP
		1176	memcpy (&r, &x, 8);
		1177	#else
		1178	/* slow emulation, works for anything but -0 */
		1179	uint64_t m;
		1180	int e;
		1181
		1182	if (x == 0e0 ) return 0x0000000000000000U;
		1183	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1184	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1185	if (x != x ) return 0X7ff7ffffffffffffU;
		1186
		1187	m = frexp (x, &e) * 0x20000000000000U;
		1188
		1189	r = m & 0x8000000000000000;;
		1190
		1191	if (r)
		1192	m = -m;
		1193
		1194	if (e <= -1022)
		1195	{
		1196	m &= 0x1fffffffffffffU;
		1197	m >>= (-1021 - e);
		1198	e = -1022;
		1199	}
		1200
		1201	r |= ((uint64_t)(e + 1022)) << 52;
		1202	r |= m & 0xfffffffffffffU;
		1203	#endif
		1204
		1205	return r;
		1206	}
		1207
		1208	/* converts an ieee double/binary64 to a double */
		1209	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1210	ecb_function_ double
		1211	ecb_binary64_to_double (uint64_t x)
		1212	{
		1213	double r;
		1214
		1215	#if ECB_STDFP
		1216	memcpy (&r, &x, 8);
		1217	#else
		1218	/* emulation, only works for normals and subnormals and +0 */
		1219	int neg = x >> 63;
		1220	int e = (x >> 52) & 0x7ffU;
		1221
		1222	x &= 0xfffffffffffffU;
		1223
		1224	if (e)
		1225	x |= 0x10000000000000U;
		1226	else
		1227	e = 1;
		1228
		1229	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1230	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1231
		1232	r = neg ? -r : r;
		1233	#endif
		1234
		1235	return r;
		1236	}
		1237
		1238	#endif
		1239
859	#endif	1240	#endif
860		1241
861	/* ECB.H END */	1242	/* ECB.H END */
862		1243
863	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS	1244	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1245	/* if your architecture doesn't need memory fences, e.g. because it is
		1246	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1247	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1248	* libev, in which cases the memory fences become nops.
		1249	* alternatively, you can remove this #error and link against libpthread,
		1250	* which will then provide the memory fences.
		1251	*/
		1252	# error "memory fences not defined for your architecture, please report"
		1253	#endif
		1254
864	# undef ECB_MEMORY_FENCE	1255	#ifndef ECB_MEMORY_FENCE
865	# undef ECB_MEMORY_FENCE_ACQUIRE	1256	# define ECB_MEMORY_FENCE do { } while (0)
866	# undef ECB_MEMORY_FENCE_RELEASE	1257	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1258	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
867	#endif	1259	#endif
868		1260
869	#define expect_false(cond) ecb_expect_false (cond)	1261	#define expect_false(cond) ecb_expect_false (cond)
870	#define expect_true(cond) ecb_expect_true (cond)	1262	#define expect_true(cond) ecb_expect_true (cond)
871	#define noinline ecb_noinline	1263	#define noinline ecb_noinline
…		…
1018	{	1410	{
1019	write (STDERR_FILENO, msg, strlen (msg));	1411	write (STDERR_FILENO, msg, strlen (msg));
1020	}	1412	}
1021	#endif	1413	#endif
1022		1414
1023	static void (*syserr_cb)(const char *msg);	1415	static void (*syserr_cb)(const char *msg) EV_THROW;
1024		1416
1025	void ecb_cold	1417	void ecb_cold
1026	ev_set_syserr_cb (void (*cb)(const char *msg))	1418	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
1027	{	1419	{
1028	syserr_cb = cb;	1420	syserr_cb = cb;
1029	}	1421	}
1030		1422
1031	static void noinline ecb_cold	1423	static void noinline ecb_cold
…		…
1049	abort ();	1441	abort ();
1050	}	1442	}
1051	}	1443	}
1052		1444
1053	static void *	1445	static void *
1054	ev_realloc_emul (void *ptr, long size)	1446	ev_realloc_emul (void *ptr, long size) EV_THROW
1055	{	1447	{
1056	#if __GLIBC__
1057	return realloc (ptr, size);
1058	#else
1059	/* some systems, notably openbsd and darwin, fail to properly	1448	/* some systems, notably openbsd and darwin, fail to properly
1060	* implement realloc (x, 0) (as required by both ansi c-89 and	1449	* implement realloc (x, 0) (as required by both ansi c-89 and
1061	* the single unix specification, so work around them here.	1450	* the single unix specification, so work around them here.
		1451	* recently, also (at least) fedora and debian started breaking it,
		1452	* despite documenting it otherwise.
1062	*/	1453	*/
1063		1454
1064	if (size)	1455	if (size)
1065	return realloc (ptr, size);	1456	return realloc (ptr, size);
1066		1457
1067	free (ptr);	1458	free (ptr);
1068	return 0;	1459	return 0;
1069	#endif
1070	}	1460	}
1071		1461
1072	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1462	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
1073		1463
1074	void ecb_cold	1464	void ecb_cold
1075	ev_set_allocator (void *(*cb)(void *ptr, long size))	1465	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
1076	{	1466	{
1077	alloc = cb;	1467	alloc = cb;
1078	}	1468	}
1079		1469
1080	inline_speed void *	1470	inline_speed void *
…		…
1168	#undef VAR	1558	#undef VAR
1169	};	1559	};
1170	#include "ev_wrap.h"	1560	#include "ev_wrap.h"
1171		1561
1172	static struct ev_loop default_loop_struct;	1562	static struct ev_loop default_loop_struct;
1173	struct ev_loop *ev_default_loop_ptr;	1563	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
1174		1564
1175	#else	1565	#else
1176		1566
1177	ev_tstamp ev_rt_now;	1567	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;	1568	#define VAR(name,decl) static decl;
1179	#include "ev_vars.h"	1569	#include "ev_vars.h"
1180	#undef VAR	1570	#undef VAR
1181		1571
1182	static int ev_default_loop_ptr;	1572	static int ev_default_loop_ptr;
…		…
1197		1587
1198	/*****************************************************************************/	1588	/*****************************************************************************/
1199		1589
1200	#ifndef EV_HAVE_EV_TIME	1590	#ifndef EV_HAVE_EV_TIME
1201	ev_tstamp	1591	ev_tstamp
1202	ev_time (void)	1592	ev_time (void) EV_THROW
1203	{	1593	{
1204	#if EV_USE_REALTIME	1594	#if EV_USE_REALTIME
1205	if (expect_true (have_realtime))	1595	if (expect_true (have_realtime))
1206	{	1596	{
1207	struct timespec ts;	1597	struct timespec ts;
…		…
1231	return ev_time ();	1621	return ev_time ();
1232	}	1622	}
1233		1623
1234	#if EV_MULTIPLICITY	1624	#if EV_MULTIPLICITY
1235	ev_tstamp	1625	ev_tstamp
1236	ev_now (EV_P)	1626	ev_now (EV_P) EV_THROW
1237	{	1627	{
1238	return ev_rt_now;	1628	return ev_rt_now;
1239	}	1629	}
1240	#endif	1630	#endif
1241		1631
1242	void	1632	void
1243	ev_sleep (ev_tstamp delay)	1633	ev_sleep (ev_tstamp delay) EV_THROW
1244	{	1634	{
1245	if (delay > 0.)	1635	if (delay > 0.)
1246	{	1636	{
1247	#if EV_USE_NANOSLEEP	1637	#if EV_USE_NANOSLEEP
1248	struct timespec ts;	1638	struct timespec ts;
1249		1639
1250	EV_TS_SET (ts, delay);	1640	EV_TS_SET (ts, delay);
1251	nanosleep (&ts, 0);	1641	nanosleep (&ts, 0);
1252	#elif defined(_WIN32)	1642	#elif defined _WIN32
1253	Sleep ((unsigned long)(delay * 1e3));	1643	Sleep ((unsigned long)(delay * 1e3));
1254	#else	1644	#else
1255	struct timeval tv;	1645	struct timeval tv;
1256		1646
1257	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1647	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
1276		1666
1277	do	1667	do
1278	ncur <<= 1;	1668	ncur <<= 1;
1279	while (cnt > ncur);	1669	while (cnt > ncur);
1280		1670
1281	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1671	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
1282	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1672	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
1283	{	1673	{
1284	ncur *= elem;	1674	ncur *= elem;
1285	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1675	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
1286	ncur = ncur - sizeof (void *) * 4;	1676	ncur = ncur - sizeof (void *) * 4;
…		…
1329	pendingcb (EV_P_ ev_prepare *w, int revents)	1719	pendingcb (EV_P_ ev_prepare *w, int revents)
1330	{	1720	{
1331	}	1721	}
1332		1722
1333	void noinline	1723	void noinline
1334	ev_feed_event (EV_P_ void *w, int revents)	1724	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
1335	{	1725	{
1336	W w_ = (W)w;	1726	W w_ = (W)w;
1337	int pri = ABSPRI (w_);	1727	int pri = ABSPRI (w_);
1338		1728
1339	if (expect_false (w_->pending))	1729	if (expect_false (w_->pending))
…		…
1343	w_->pending = ++pendingcnt [pri];	1733	w_->pending = ++pendingcnt [pri];
1344	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1734	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1345	pendings [pri][w_->pending - 1].w = w_;	1735	pendings [pri][w_->pending - 1].w = w_;
1346	pendings [pri][w_->pending - 1].events = revents;	1736	pendings [pri][w_->pending - 1].events = revents;
1347	}	1737	}
		1738
		1739	pendingpri = NUMPRI - 1;
1348	}	1740	}
1349		1741
1350	inline_speed void	1742	inline_speed void
1351	feed_reverse (EV_P_ W w)	1743	feed_reverse (EV_P_ W w)
1352	{	1744	{
…		…
1398	if (expect_true (!anfd->reify))	1790	if (expect_true (!anfd->reify))
1399	fd_event_nocheck (EV_A_ fd, revents);	1791	fd_event_nocheck (EV_A_ fd, revents);
1400	}	1792	}
1401		1793
1402	void	1794	void
1403	ev_feed_fd_event (EV_P_ int fd, int revents)	1795	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1404	{	1796	{
1405	if (fd >= 0 && fd < anfdmax)	1797	if (fd >= 0 && fd < anfdmax)
1406	fd_event_nocheck (EV_A_ fd, revents);	1798	fd_event_nocheck (EV_A_ fd, revents);
1407	}	1799	}
1408		1800
…		…
1727	static void noinline ecb_cold	2119	static void noinline ecb_cold
1728	evpipe_init (EV_P)	2120	evpipe_init (EV_P)
1729	{	2121	{
1730	if (!ev_is_active (&pipe_w))	2122	if (!ev_is_active (&pipe_w))
1731	{	2123	{
		2124	int fds [2];
		2125
1732	# if EV_USE_EVENTFD	2126	# if EV_USE_EVENTFD
		2127	fds [0] = -1;
1733	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2128	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1734	if (evfd < 0 && errno == EINVAL)	2129	if (fds [1] < 0 && errno == EINVAL)
1735	evfd = eventfd (0, 0);	2130	fds [1] = eventfd (0, 0);
1736		2131
1737	if (evfd >= 0)	2132	if (fds [1] < 0)
		2133	# endif
1738	{	2134	{
		2135	while (pipe (fds))
		2136	ev_syserr ("(libev) error creating signal/async pipe");
		2137
		2138	fd_intern (fds [0]);
		2139	}
		2140
1739	evpipe [0] = -1;	2141	evpipe [0] = fds [0];
1740	fd_intern (evfd); /* doing it twice doesn't hurt */	2142
1741	ev_io_set (&pipe_w, evfd, EV_READ);	2143	if (evpipe [1] < 0)
		2144	evpipe [1] = fds [1]; /* first call, set write fd */
		2145	else
		2146	{
		2147	/* on subsequent calls, do not change evpipe [1] */
		2148	/* so that evpipe_write can always rely on its value. */
		2149	/* this branch does not do anything sensible on windows, */
		2150	/* so must not be executed on windows */
		2151
		2152	dup2 (fds [1], evpipe [1]);
		2153	close (fds [1]);
		2154	}
		2155
		2156	fd_intern (evpipe [1]);
		2157
		2158	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2159	ev_io_start (EV_A_ &pipe_w);
		2160	ev_unref (EV_A); /* watcher should not keep loop alive */
		2161	}
		2162	}
		2163
		2164	inline_speed void
		2165	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2166	{
		2167	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2168
		2169	if (expect_true (*flag))
		2170	return;
		2171
		2172	*flag = 1;
		2173	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2174
		2175	pipe_write_skipped = 1;
		2176
		2177	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2178
		2179	if (pipe_write_wanted)
		2180	{
		2181	int old_errno;
		2182
		2183	pipe_write_skipped = 0;
		2184	ECB_MEMORY_FENCE_RELEASE;
		2185
		2186	old_errno = errno; /* save errno because write will clobber it */
		2187
		2188	#if EV_USE_EVENTFD
		2189	if (evpipe [0] < 0)
		2190	{
		2191	uint64_t counter = 1;
		2192	write (evpipe [1], &counter, sizeof (uint64_t));
1742	}	2193	}
1743	else	2194	else
1744	# endif	2195	#endif
1745	{	2196	{
1746	while (pipe (evpipe))	2197	#ifdef _WIN32
1747	ev_syserr ("(libev) error creating signal/async pipe");	2198	WSABUF buf;
1748		2199	DWORD sent;
1749	fd_intern (evpipe [0]);	2200	buf.buf = &buf;
1750	fd_intern (evpipe [1]);	2201	buf.len = 1;
1751	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2202	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
1752	}	2203	#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);	2204	write (evpipe [1], &(evpipe [1]), 1);
		2205	#endif
1796	}	2206	}
1797		2207
1798	errno = old_errno;	2208	errno = old_errno;
1799	}	2209	}
1800	}	2210	}
…		…
1807	int i;	2217	int i;
1808		2218
1809	if (revents & EV_READ)	2219	if (revents & EV_READ)
1810	{	2220	{
1811	#if EV_USE_EVENTFD	2221	#if EV_USE_EVENTFD
1812	if (evfd >= 0)	2222	if (evpipe [0] < 0)
1813	{	2223	{
1814	uint64_t counter;	2224	uint64_t counter;
1815	read (evfd, &counter, sizeof (uint64_t));	2225	read (evpipe [1], &counter, sizeof (uint64_t));
1816	}	2226	}
1817	else	2227	else
1818	#endif	2228	#endif
1819	{	2229	{
1820	char dummy;	2230	char dummy[4];
1821	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2231	#ifdef _WIN32
		2232	WSABUF buf;
		2233	DWORD recvd;
		2234	DWORD flags = 0;
		2235	buf.buf = dummy;
		2236	buf.len = sizeof (dummy);
		2237	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2238	#else
1822	read (evpipe [0], &dummy, 1);	2239	read (evpipe [0], &dummy, sizeof (dummy));
		2240	#endif
1823	}	2241	}
1824	}	2242	}
1825		2243
1826	pipe_write_skipped = 0;	2244	pipe_write_skipped = 0;
		2245
		2246	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1827		2247
1828	#if EV_SIGNAL_ENABLE	2248	#if EV_SIGNAL_ENABLE
1829	if (sig_pending)	2249	if (sig_pending)
1830	{	2250	{
1831	sig_pending = 0;	2251	sig_pending = 0;
		2252
		2253	ECB_MEMORY_FENCE;
1832		2254
1833	for (i = EV_NSIG - 1; i--; )	2255	for (i = EV_NSIG - 1; i--; )
1834	if (expect_false (signals [i].pending))	2256	if (expect_false (signals [i].pending))
1835	ev_feed_signal_event (EV_A_ i + 1);	2257	ev_feed_signal_event (EV_A_ i + 1);
1836	}	2258	}
…		…
1838		2260
1839	#if EV_ASYNC_ENABLE	2261	#if EV_ASYNC_ENABLE
1840	if (async_pending)	2262	if (async_pending)
1841	{	2263	{
1842	async_pending = 0;	2264	async_pending = 0;
		2265
		2266	ECB_MEMORY_FENCE;
1843		2267
1844	for (i = asynccnt; i--; )	2268	for (i = asynccnt; i--; )
1845	if (asyncs [i]->sent)	2269	if (asyncs [i]->sent)
1846	{	2270	{
1847	asyncs [i]->sent = 0;	2271	asyncs [i]->sent = 0;
		2272	ECB_MEMORY_FENCE_RELEASE;
1848	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2273	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1849	}	2274	}
1850	}	2275	}
1851	#endif	2276	#endif
1852	}	2277	}
1853		2278
1854	/*****************************************************************************/	2279	/*****************************************************************************/
1855		2280
1856	void	2281	void
1857	ev_feed_signal (int signum)	2282	ev_feed_signal (int signum) EV_THROW
1858	{	2283	{
1859	#if EV_MULTIPLICITY	2284	#if EV_MULTIPLICITY
		2285	EV_P;
		2286	ECB_MEMORY_FENCE_ACQUIRE;
1860	EV_P = signals [signum - 1].loop;	2287	EV_A = signals [signum - 1].loop;
1861		2288
1862	if (!EV_A)	2289	if (!EV_A)
1863	return;	2290	return;
1864	#endif	2291	#endif
1865		2292
1866	if (!ev_active (&pipe_w))
1867	return;
1868
1869	signals [signum - 1].pending = 1;	2293	signals [signum - 1].pending = 1;
1870	evpipe_write (EV_A_ &sig_pending);	2294	evpipe_write (EV_A_ &sig_pending);
1871	}	2295	}
1872		2296
1873	static void	2297	static void
…		…
1879		2303
1880	ev_feed_signal (signum);	2304	ev_feed_signal (signum);
1881	}	2305	}
1882		2306
1883	void noinline	2307	void noinline
1884	ev_feed_signal_event (EV_P_ int signum)	2308	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1885	{	2309	{
1886	WL w;	2310	WL w;
1887		2311
1888	if (expect_false (signum <= 0 || signum > EV_NSIG))	2312	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1889	return;	2313	return;
1890		2314
1891	--signum;	2315	--signum;
1892		2316
1893	#if EV_MULTIPLICITY	2317	#if EV_MULTIPLICITY
…		…
1897	if (expect_false (signals [signum].loop != EV_A))	2321	if (expect_false (signals [signum].loop != EV_A))
1898	return;	2322	return;
1899	#endif	2323	#endif
1900		2324
1901	signals [signum].pending = 0;	2325	signals [signum].pending = 0;
		2326	ECB_MEMORY_FENCE_RELEASE;
1902		2327
1903	for (w = signals [signum].head; w; w = w->next)	2328	for (w = signals [signum].head; w; w = w->next)
1904	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2329	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1905	}	2330	}
1906		2331
…		…
2005	#if EV_USE_SELECT	2430	#if EV_USE_SELECT
2006	# include "ev_select.c"	2431	# include "ev_select.c"
2007	#endif	2432	#endif
2008		2433
2009	int ecb_cold	2434	int ecb_cold
2010	ev_version_major (void)	2435	ev_version_major (void) EV_THROW
2011	{	2436	{
2012	return EV_VERSION_MAJOR;	2437	return EV_VERSION_MAJOR;
2013	}	2438	}
2014		2439
2015	int ecb_cold	2440	int ecb_cold
2016	ev_version_minor (void)	2441	ev_version_minor (void) EV_THROW
2017	{	2442	{
2018	return EV_VERSION_MINOR;	2443	return EV_VERSION_MINOR;
2019	}	2444	}
2020		2445
2021	/* return true if we are running with elevated privileges and should ignore env variables */	2446	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
2029	|| getgid () != getegid ();	2454	|| getgid () != getegid ();
2030	#endif	2455	#endif
2031	}	2456	}
2032		2457
2033	unsigned int ecb_cold	2458	unsigned int ecb_cold
2034	ev_supported_backends (void)	2459	ev_supported_backends (void) EV_THROW
2035	{	2460	{
2036	unsigned int flags = 0;	2461	unsigned int flags = 0;
2037		2462
2038	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2463	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2039	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2464	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
2043		2468
2044	return flags;	2469	return flags;
2045	}	2470	}
2046		2471
2047	unsigned int ecb_cold	2472	unsigned int ecb_cold
2048	ev_recommended_backends (void)	2473	ev_recommended_backends (void) EV_THROW
2049	{	2474	{
2050	unsigned int flags = ev_supported_backends ();	2475	unsigned int flags = ev_supported_backends ();
2051		2476
2052	#ifndef __NetBSD__	2477	#ifndef __NetBSD__
2053	/* kqueue is borked on everything but netbsd apparently */	2478	/* kqueue is borked on everything but netbsd apparently */
…		…
2065		2490
2066	return flags;	2491	return flags;
2067	}	2492	}
2068		2493
2069	unsigned int ecb_cold	2494	unsigned int ecb_cold
2070	ev_embeddable_backends (void)	2495	ev_embeddable_backends (void) EV_THROW
2071	{	2496	{
2072	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2497	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2073		2498
2074	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2499	/* 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 */	2500	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
2077		2502
2078	return flags;	2503	return flags;
2079	}	2504	}
2080		2505
2081	unsigned int	2506	unsigned int
2082	ev_backend (EV_P)	2507	ev_backend (EV_P) EV_THROW
2083	{	2508	{
2084	return backend;	2509	return backend;
2085	}	2510	}
2086		2511
2087	#if EV_FEATURE_API	2512	#if EV_FEATURE_API
2088	unsigned int	2513	unsigned int
2089	ev_iteration (EV_P)	2514	ev_iteration (EV_P) EV_THROW
2090	{	2515	{
2091	return loop_count;	2516	return loop_count;
2092	}	2517	}
2093		2518
2094	unsigned int	2519	unsigned int
2095	ev_depth (EV_P)	2520	ev_depth (EV_P) EV_THROW
2096	{	2521	{
2097	return loop_depth;	2522	return loop_depth;
2098	}	2523	}
2099		2524
2100	void	2525	void
2101	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2526	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2102	{	2527	{
2103	io_blocktime = interval;	2528	io_blocktime = interval;
2104	}	2529	}
2105		2530
2106	void	2531	void
2107	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2532	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
2108	{	2533	{
2109	timeout_blocktime = interval;	2534	timeout_blocktime = interval;
2110	}	2535	}
2111		2536
2112	void	2537	void
2113	ev_set_userdata (EV_P_ void *data)	2538	ev_set_userdata (EV_P_ void *data) EV_THROW
2114	{	2539	{
2115	userdata = data;	2540	userdata = data;
2116	}	2541	}
2117		2542
2118	void *	2543	void *
2119	ev_userdata (EV_P)	2544	ev_userdata (EV_P) EV_THROW
2120	{	2545	{
2121	return userdata;	2546	return userdata;
2122	}	2547	}
2123		2548
2124	void	2549	void
2125	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2550	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
2126	{	2551	{
2127	invoke_cb = invoke_pending_cb;	2552	invoke_cb = invoke_pending_cb;
2128	}	2553	}
2129		2554
2130	void	2555	void
2131	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2556	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
2132	{	2557	{
2133	release_cb = release;	2558	release_cb = release;
2134	acquire_cb = acquire;	2559	acquire_cb = acquire;
2135	}	2560	}
2136	#endif	2561	#endif
2137		2562
2138	/* initialise a loop structure, must be zero-initialised */	2563	/* initialise a loop structure, must be zero-initialised */
2139	static void noinline ecb_cold	2564	static void noinline ecb_cold
2140	loop_init (EV_P_ unsigned int flags)	2565	loop_init (EV_P_ unsigned int flags) EV_THROW
2141	{	2566	{
2142	if (!backend)	2567	if (!backend)
2143	{	2568	{
2144	origflags = flags;	2569	origflags = flags;
2145		2570
…		…
2190	#if EV_ASYNC_ENABLE	2615	#if EV_ASYNC_ENABLE
2191	async_pending = 0;	2616	async_pending = 0;
2192	#endif	2617	#endif
2193	pipe_write_skipped = 0;	2618	pipe_write_skipped = 0;
2194	pipe_write_wanted = 0;	2619	pipe_write_wanted = 0;
		2620	evpipe [0] = -1;
		2621	evpipe [1] = -1;
2195	#if EV_USE_INOTIFY	2622	#if EV_USE_INOTIFY
2196	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2623	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
2197	#endif	2624	#endif
2198	#if EV_USE_SIGNALFD	2625	#if EV_USE_SIGNALFD
2199	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2626	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
…		…
2250	EV_INVOKE_PENDING;	2677	EV_INVOKE_PENDING;
2251	}	2678	}
2252	#endif	2679	#endif
2253		2680
2254	#if EV_CHILD_ENABLE	2681	#if EV_CHILD_ENABLE
2255	if (ev_is_active (&childev))	2682	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
2256	{	2683	{
2257	ev_ref (EV_A); /* child watcher */	2684	ev_ref (EV_A); /* child watcher */
2258	ev_signal_stop (EV_A_ &childev);	2685	ev_signal_stop (EV_A_ &childev);
2259	}	2686	}
2260	#endif	2687	#endif
…		…
2262	if (ev_is_active (&pipe_w))	2689	if (ev_is_active (&pipe_w))
2263	{	2690	{
2264	/*ev_ref (EV_A);*/	2691	/*ev_ref (EV_A);*/
2265	/*ev_io_stop (EV_A_ &pipe_w);*/	2692	/*ev_io_stop (EV_A_ &pipe_w);*/
2266		2693
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]);	2694	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
2275	EV_WIN32_CLOSE_FD (evpipe [1]);	2695	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
2276	}
2277	}	2696	}
2278		2697
2279	#if EV_USE_SIGNALFD	2698	#if EV_USE_SIGNALFD
2280	if (ev_is_active (&sigfd_w))	2699	if (ev_is_active (&sigfd_w))
2281	close (sigfd);	2700	close (sigfd);
…		…
2367	#endif	2786	#endif
2368	#if EV_USE_INOTIFY	2787	#if EV_USE_INOTIFY
2369	infy_fork (EV_A);	2788	infy_fork (EV_A);
2370	#endif	2789	#endif
2371		2790
		2791	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2372	if (ev_is_active (&pipe_w))	2792	if (ev_is_active (&pipe_w))
2373	{	2793	{
2374	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */	2794	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2375		2795
2376	ev_ref (EV_A);	2796	ev_ref (EV_A);
2377	ev_io_stop (EV_A_ &pipe_w);	2797	ev_io_stop (EV_A_ &pipe_w);
2378		2798
2379	#if EV_USE_EVENTFD
2380	if (evfd >= 0)
2381	close (evfd);
2382	#endif
2383
2384	if (evpipe [0] >= 0)	2799	if (evpipe [0] >= 0)
2385	{
2386	EV_WIN32_CLOSE_FD (evpipe [0]);	2800	EV_WIN32_CLOSE_FD (evpipe [0]);
2387	EV_WIN32_CLOSE_FD (evpipe [1]);
2388	}
2389		2801
2390	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2391	evpipe_init (EV_A);	2802	evpipe_init (EV_A);
2392	/* now iterate over everything, in case we missed something */	2803	/* iterate over everything, in case we missed something before */
2393	pipecb (EV_A_ &pipe_w, EV_READ);	2804	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2394	#endif
2395	}	2805	}
		2806	#endif
2396		2807
2397	postfork = 0;	2808	postfork = 0;
2398	}	2809	}
2399		2810
2400	#if EV_MULTIPLICITY	2811	#if EV_MULTIPLICITY
2401		2812
2402	struct ev_loop * ecb_cold	2813	struct ev_loop * ecb_cold
2403	ev_loop_new (unsigned int flags)	2814	ev_loop_new (unsigned int flags) EV_THROW
2404	{	2815	{
2405	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2816	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2406		2817
2407	memset (EV_A, 0, sizeof (struct ev_loop));	2818	memset (EV_A, 0, sizeof (struct ev_loop));
2408	loop_init (EV_A_ flags);	2819	loop_init (EV_A_ flags);
…		…
2452	}	2863	}
2453	#endif	2864	#endif
2454		2865
2455	#if EV_FEATURE_API	2866	#if EV_FEATURE_API
2456	void ecb_cold	2867	void ecb_cold
2457	ev_verify (EV_P)	2868	ev_verify (EV_P) EV_THROW
2458	{	2869	{
2459	#if EV_VERIFY	2870	#if EV_VERIFY
2460	int i;	2871	int i;
2461	WL w;	2872	WL w, w2;
2462		2873
2463	assert (activecnt >= -1);	2874	assert (activecnt >= -1);
2464		2875
2465	assert (fdchangemax >= fdchangecnt);	2876	assert (fdchangemax >= fdchangecnt);
2466	for (i = 0; i < fdchangecnt; ++i)	2877	for (i = 0; i < fdchangecnt; ++i)
2467	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2878	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2468		2879
2469	assert (anfdmax >= 0);	2880	assert (anfdmax >= 0);
2470	for (i = 0; i < anfdmax; ++i)	2881	for (i = 0; i < anfdmax; ++i)
		2882	{
		2883	int j = 0;
		2884
2471	for (w = anfds [i].head; w; w = w->next)	2885	for (w = w2 = anfds [i].head; w; w = w->next)
2472	{	2886	{
2473	verify_watcher (EV_A_ (W)w);	2887	verify_watcher (EV_A_ (W)w);
		2888
		2889	if (j++ & 1)
		2890	{
		2891	assert (("libev: io watcher list contains a loop", w != w2));
		2892	w2 = w2->next;
		2893	}
		2894
2474	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2895	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));	2896	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2476	}	2897	}
		2898	}
2477		2899
2478	assert (timermax >= timercnt);	2900	assert (timermax >= timercnt);
2479	verify_heap (EV_A_ timers, timercnt);	2901	verify_heap (EV_A_ timers, timercnt);
2480		2902
2481	#if EV_PERIODIC_ENABLE	2903	#if EV_PERIODIC_ENABLE
…		…
2531	#if EV_MULTIPLICITY	2953	#if EV_MULTIPLICITY
2532	struct ev_loop * ecb_cold	2954	struct ev_loop * ecb_cold
2533	#else	2955	#else
2534	int	2956	int
2535	#endif	2957	#endif
2536	ev_default_loop (unsigned int flags)	2958	ev_default_loop (unsigned int flags) EV_THROW
2537	{	2959	{
2538	if (!ev_default_loop_ptr)	2960	if (!ev_default_loop_ptr)
2539	{	2961	{
2540	#if EV_MULTIPLICITY	2962	#if EV_MULTIPLICITY
2541	EV_P = ev_default_loop_ptr = &default_loop_struct;	2963	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2560		2982
2561	return ev_default_loop_ptr;	2983	return ev_default_loop_ptr;
2562	}	2984	}
2563		2985
2564	void	2986	void
2565	ev_loop_fork (EV_P)	2987	ev_loop_fork (EV_P) EV_THROW
2566	{	2988	{
2567	postfork = 1; /* must be in line with ev_default_fork */	2989	postfork = 1;
2568	}	2990	}
2569		2991
2570	/*****************************************************************************/	2992	/*****************************************************************************/
2571		2993
2572	void	2994	void
…		…
2574	{	2996	{
2575	EV_CB_INVOKE ((W)w, revents);	2997	EV_CB_INVOKE ((W)w, revents);
2576	}	2998	}
2577		2999
2578	unsigned int	3000	unsigned int
2579	ev_pending_count (EV_P)	3001	ev_pending_count (EV_P) EV_THROW
2580	{	3002	{
2581	int pri;	3003	int pri;
2582	unsigned int count = 0;	3004	unsigned int count = 0;
2583		3005
2584	for (pri = NUMPRI; pri--; )	3006	for (pri = NUMPRI; pri--; )
…		…
2588	}	3010	}
2589		3011
2590	void noinline	3012	void noinline
2591	ev_invoke_pending (EV_P)	3013	ev_invoke_pending (EV_P)
2592	{	3014	{
2593	int pri;	3015	pendingpri = NUMPRI;
2594		3016
2595	for (pri = NUMPRI; pri--; )	3017	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		3018	{
		3019	--pendingpri;
		3020
2596	while (pendingcnt [pri])	3021	while (pendingcnt [pendingpri])
2597	{	3022	{
2598	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	3023	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2599		3024
2600	p->w->pending = 0;	3025	p->w->pending = 0;
2601	EV_CB_INVOKE (p->w, p->events);	3026	EV_CB_INVOKE (p->w, p->events);
2602	EV_FREQUENT_CHECK;	3027	EV_FREQUENT_CHECK;
2603	}	3028	}
		3029	}
2604	}	3030	}
2605		3031
2606	#if EV_IDLE_ENABLE	3032	#if EV_IDLE_ENABLE
2607	/* make idle watchers pending. this handles the "call-idle */	3033	/* make idle watchers pending. this handles the "call-idle */
2608	/* only when higher priorities are idle" logic */	3034	/* only when higher priorities are idle" logic */
…		…
2698	{	3124	{
2699	EV_FREQUENT_CHECK;	3125	EV_FREQUENT_CHECK;
2700		3126
2701	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3127	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2702	{	3128	{
2703	int feed_count = 0;
2704
2705	do	3129	do
2706	{	3130	{
2707	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3131	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2708		3132
2709	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3133	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2843		3267
2844	mn_now = ev_rt_now;	3268	mn_now = ev_rt_now;
2845	}	3269	}
2846	}	3270	}
2847		3271
2848	void	3272	int
2849	ev_run (EV_P_ int flags)	3273	ev_run (EV_P_ int flags)
2850	{	3274	{
2851	#if EV_FEATURE_API	3275	#if EV_FEATURE_API
2852	++loop_depth;	3276	++loop_depth;
2853	#endif	3277	#endif
…		…
2966	#endif	3390	#endif
2967	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3391	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2968	backend_poll (EV_A_ waittime);	3392	backend_poll (EV_A_ waittime);
2969	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3393	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2970		3394
2971	pipe_write_wanted = 0; /* just an optimsiation, no fence needed */	3395	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2972		3396
		3397	ECB_MEMORY_FENCE_ACQUIRE;
2973	if (pipe_write_skipped)	3398	if (pipe_write_skipped)
2974	{	3399	{
2975	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3400	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);	3401	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
2977	}	3402	}
…		…
3010	loop_done = EVBREAK_CANCEL;	3435	loop_done = EVBREAK_CANCEL;
3011		3436
3012	#if EV_FEATURE_API	3437	#if EV_FEATURE_API
3013	--loop_depth;	3438	--loop_depth;
3014	#endif	3439	#endif
		3440
		3441	return activecnt;
3015	}	3442	}
3016		3443
3017	void	3444	void
3018	ev_break (EV_P_ int how)	3445	ev_break (EV_P_ int how) EV_THROW
3019	{	3446	{
3020	loop_done = how;	3447	loop_done = how;
3021	}	3448	}
3022		3449
3023	void	3450	void
3024	ev_ref (EV_P)	3451	ev_ref (EV_P) EV_THROW
3025	{	3452	{
3026	++activecnt;	3453	++activecnt;
3027	}	3454	}
3028		3455
3029	void	3456	void
3030	ev_unref (EV_P)	3457	ev_unref (EV_P) EV_THROW
3031	{	3458	{
3032	--activecnt;	3459	--activecnt;
3033	}	3460	}
3034		3461
3035	void	3462	void
3036	ev_now_update (EV_P)	3463	ev_now_update (EV_P) EV_THROW
3037	{	3464	{
3038	time_update (EV_A_ 1e100);	3465	time_update (EV_A_ 1e100);
3039	}	3466	}
3040		3467
3041	void	3468	void
3042	ev_suspend (EV_P)	3469	ev_suspend (EV_P) EV_THROW
3043	{	3470	{
3044	ev_now_update (EV_A);	3471	ev_now_update (EV_A);
3045	}	3472	}
3046		3473
3047	void	3474	void
3048	ev_resume (EV_P)	3475	ev_resume (EV_P) EV_THROW
3049	{	3476	{
3050	ev_tstamp mn_prev = mn_now;	3477	ev_tstamp mn_prev = mn_now;
3051		3478
3052	ev_now_update (EV_A);	3479	ev_now_update (EV_A);
3053	timers_reschedule (EV_A_ mn_now - mn_prev);	3480	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
3092	w->pending = 0;	3519	w->pending = 0;
3093	}	3520	}
3094	}	3521	}
3095		3522
3096	int	3523	int
3097	ev_clear_pending (EV_P_ void *w)	3524	ev_clear_pending (EV_P_ void *w) EV_THROW
3098	{	3525	{
3099	W w_ = (W)w;	3526	W w_ = (W)w;
3100	int pending = w_->pending;	3527	int pending = w_->pending;
3101		3528
3102	if (expect_true (pending))	3529	if (expect_true (pending))
…		…
3135	}	3562	}
3136		3563
3137	/*****************************************************************************/	3564	/*****************************************************************************/
3138		3565
3139	void noinline	3566	void noinline
3140	ev_io_start (EV_P_ ev_io *w)	3567	ev_io_start (EV_P_ ev_io *w) EV_THROW
3141	{	3568	{
3142	int fd = w->fd;	3569	int fd = w->fd;
3143		3570
3144	if (expect_false (ev_is_active (w)))	3571	if (expect_false (ev_is_active (w)))
3145	return;	3572	return;
…		…
3151		3578
3152	ev_start (EV_A_ (W)w, 1);	3579	ev_start (EV_A_ (W)w, 1);
3153	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3580	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
3154	wlist_add (&anfds[fd].head, (WL)w);	3581	wlist_add (&anfds[fd].head, (WL)w);
3155		3582
		3583	/* common bug, apparently */
		3584	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3585
3156	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3586	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
3157	w->events &= ~EV__IOFDSET;	3587	w->events &= ~EV__IOFDSET;
3158		3588
3159	EV_FREQUENT_CHECK;	3589	EV_FREQUENT_CHECK;
3160	}	3590	}
3161		3591
3162	void noinline	3592	void noinline
3163	ev_io_stop (EV_P_ ev_io *w)	3593	ev_io_stop (EV_P_ ev_io *w) EV_THROW
3164	{	3594	{
3165	clear_pending (EV_A_ (W)w);	3595	clear_pending (EV_A_ (W)w);
3166	if (expect_false (!ev_is_active (w)))	3596	if (expect_false (!ev_is_active (w)))
3167	return;	3597	return;
3168		3598
…		…
3177		3607
3178	EV_FREQUENT_CHECK;	3608	EV_FREQUENT_CHECK;
3179	}	3609	}
3180		3610
3181	void noinline	3611	void noinline
3182	ev_timer_start (EV_P_ ev_timer *w)	3612	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
3183	{	3613	{
3184	if (expect_false (ev_is_active (w)))	3614	if (expect_false (ev_is_active (w)))
3185	return;	3615	return;
3186		3616
3187	ev_at (w) += mn_now;	3617	ev_at (w) += mn_now;
…		…
3201		3631
3202	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3632	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3203	}	3633	}
3204		3634
3205	void noinline	3635	void noinline
3206	ev_timer_stop (EV_P_ ev_timer *w)	3636	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
3207	{	3637	{
3208	clear_pending (EV_A_ (W)w);	3638	clear_pending (EV_A_ (W)w);
3209	if (expect_false (!ev_is_active (w)))	3639	if (expect_false (!ev_is_active (w)))
3210	return;	3640	return;
3211		3641
…		…
3231		3661
3232	EV_FREQUENT_CHECK;	3662	EV_FREQUENT_CHECK;
3233	}	3663	}
3234		3664
3235	void noinline	3665	void noinline
3236	ev_timer_again (EV_P_ ev_timer *w)	3666	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
3237	{	3667	{
3238	EV_FREQUENT_CHECK;	3668	EV_FREQUENT_CHECK;
		3669
		3670	clear_pending (EV_A_ (W)w);
3239		3671
3240	if (ev_is_active (w))	3672	if (ev_is_active (w))
3241	{	3673	{
3242	if (w->repeat)	3674	if (w->repeat)
3243	{	3675	{
…		…
3256		3688
3257	EV_FREQUENT_CHECK;	3689	EV_FREQUENT_CHECK;
3258	}	3690	}
3259		3691
3260	ev_tstamp	3692	ev_tstamp
3261	ev_timer_remaining (EV_P_ ev_timer *w)	3693	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
3262	{	3694	{
3263	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3695	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3264	}	3696	}
3265		3697
3266	#if EV_PERIODIC_ENABLE	3698	#if EV_PERIODIC_ENABLE
3267	void noinline	3699	void noinline
3268	ev_periodic_start (EV_P_ ev_periodic *w)	3700	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
3269	{	3701	{
3270	if (expect_false (ev_is_active (w)))	3702	if (expect_false (ev_is_active (w)))
3271	return;	3703	return;
3272		3704
3273	if (w->reschedule_cb)	3705	if (w->reschedule_cb)
…		…
3293		3725
3294	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3726	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3295	}	3727	}
3296		3728
3297	void noinline	3729	void noinline
3298	ev_periodic_stop (EV_P_ ev_periodic *w)	3730	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
3299	{	3731	{
3300	clear_pending (EV_A_ (W)w);	3732	clear_pending (EV_A_ (W)w);
3301	if (expect_false (!ev_is_active (w)))	3733	if (expect_false (!ev_is_active (w)))
3302	return;	3734	return;
3303		3735
…		…
3321		3753
3322	EV_FREQUENT_CHECK;	3754	EV_FREQUENT_CHECK;
3323	}	3755	}
3324		3756
3325	void noinline	3757	void noinline
3326	ev_periodic_again (EV_P_ ev_periodic *w)	3758	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
3327	{	3759	{
3328	/* TODO: use adjustheap and recalculation */	3760	/* TODO: use adjustheap and recalculation */
3329	ev_periodic_stop (EV_A_ w);	3761	ev_periodic_stop (EV_A_ w);
3330	ev_periodic_start (EV_A_ w);	3762	ev_periodic_start (EV_A_ w);
3331	}	3763	}
…		…
3336	#endif	3768	#endif
3337		3769
3338	#if EV_SIGNAL_ENABLE	3770	#if EV_SIGNAL_ENABLE
3339		3771
3340	void noinline	3772	void noinline
3341	ev_signal_start (EV_P_ ev_signal *w)	3773	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
3342	{	3774	{
3343	if (expect_false (ev_is_active (w)))	3775	if (expect_false (ev_is_active (w)))
3344	return;	3776	return;
3345		3777
3346	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3778	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3348	#if EV_MULTIPLICITY	3780	#if EV_MULTIPLICITY
3349	assert (("libev: a signal must not be attached to two different loops",	3781	assert (("libev: a signal must not be attached to two different loops",
3350	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3782	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
3351		3783
3352	signals [w->signum - 1].loop = EV_A;	3784	signals [w->signum - 1].loop = EV_A;
		3785	ECB_MEMORY_FENCE_RELEASE;
3353	#endif	3786	#endif
3354		3787
3355	EV_FREQUENT_CHECK;	3788	EV_FREQUENT_CHECK;
3356		3789
3357	#if EV_USE_SIGNALFD	3790	#if EV_USE_SIGNALFD
…		…
3417		3850
3418	EV_FREQUENT_CHECK;	3851	EV_FREQUENT_CHECK;
3419	}	3852	}
3420		3853
3421	void noinline	3854	void noinline
3422	ev_signal_stop (EV_P_ ev_signal *w)	3855	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3423	{	3856	{
3424	clear_pending (EV_A_ (W)w);	3857	clear_pending (EV_A_ (W)w);
3425	if (expect_false (!ev_is_active (w)))	3858	if (expect_false (!ev_is_active (w)))
3426	return;	3859	return;
3427		3860
…		…
3458	#endif	3891	#endif
3459		3892
3460	#if EV_CHILD_ENABLE	3893	#if EV_CHILD_ENABLE
3461		3894
3462	void	3895	void
3463	ev_child_start (EV_P_ ev_child *w)	3896	ev_child_start (EV_P_ ev_child *w) EV_THROW
3464	{	3897	{
3465	#if EV_MULTIPLICITY	3898	#if EV_MULTIPLICITY
3466	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3899	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3467	#endif	3900	#endif
3468	if (expect_false (ev_is_active (w)))	3901	if (expect_false (ev_is_active (w)))
…		…
3475		3908
3476	EV_FREQUENT_CHECK;	3909	EV_FREQUENT_CHECK;
3477	}	3910	}
3478		3911
3479	void	3912	void
3480	ev_child_stop (EV_P_ ev_child *w)	3913	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3481	{	3914	{
3482	clear_pending (EV_A_ (W)w);	3915	clear_pending (EV_A_ (W)w);
3483	if (expect_false (!ev_is_active (w)))	3916	if (expect_false (!ev_is_active (w)))
3484	return;	3917	return;
3485		3918
…		…
3512	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)	3945	# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
3513		3946
3514	static void noinline	3947	static void noinline
3515	infy_add (EV_P_ ev_stat *w)	3948	infy_add (EV_P_ ev_stat *w)
3516	{	3949	{
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);	3950	w->wd = inotify_add_watch (fs_fd, w->path,
		3951	IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
		3952	| IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
		3953	| IN_DONT_FOLLOW | IN_MASK_ADD);
3518		3954
3519	if (w->wd >= 0)	3955	if (w->wd >= 0)
3520	{	3956	{
3521	struct statfs sfs;	3957	struct statfs sfs;
3522		3958
…		…
3526		3962
3527	if (!fs_2625)	3963	if (!fs_2625)
3528	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;	3964	w->timer.repeat = w->interval ? w->interval : DEF_STAT_INTERVAL;
3529	else if (!statfs (w->path, &sfs)	3965	else if (!statfs (w->path, &sfs)
3530	&& (sfs.f_type == 0x1373 /* devfs */	3966	&& (sfs.f_type == 0x1373 /* devfs */
		3967	|| sfs.f_type == 0x4006 /* fat */
		3968	|| sfs.f_type == 0x4d44 /* msdos */
3531	|| sfs.f_type == 0xEF53 /* ext2/3 */	3969	|| sfs.f_type == 0xEF53 /* ext2/3 */
		3970	|| sfs.f_type == 0x72b6 /* jffs2 */
		3971	|| sfs.f_type == 0x858458f6 /* ramfs */
		3972	|| sfs.f_type == 0x5346544e /* ntfs */
3532	|| sfs.f_type == 0x3153464a /* jfs */	3973	|| sfs.f_type == 0x3153464a /* jfs */
		3974	|| sfs.f_type == 0x9123683e /* btrfs */
3533	|| sfs.f_type == 0x52654973 /* reiser3 */	3975	|| sfs.f_type == 0x52654973 /* reiser3 */
3534	|| sfs.f_type == 0x01021994 /* tempfs */	3976	|| sfs.f_type == 0x01021994 /* tmpfs */
3535	|| sfs.f_type == 0x58465342 /* xfs */))	3977	|| sfs.f_type == 0x58465342 /* xfs */))
3536	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */	3978	w->timer.repeat = 0.; /* filesystem is local, kernel new enough */
3537	else	3979	else
3538	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */	3980	w->timer.repeat = w->interval ? w->interval : NFS_STAT_INTERVAL; /* remote, use reduced frequency */
3539	}	3981	}
…		…
3652	}	4094	}
3653		4095
3654	inline_size int	4096	inline_size int
3655	infy_newfd (void)	4097	infy_newfd (void)
3656	{	4098	{
3657	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4099	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3658	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4100	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3659	if (fd >= 0)	4101	if (fd >= 0)
3660	return fd;	4102	return fd;
3661	#endif	4103	#endif
3662	return inotify_init ();	4104	return inotify_init ();
…		…
3737	#else	4179	#else
3738	# define EV_LSTAT(p,b) lstat (p, b)	4180	# define EV_LSTAT(p,b) lstat (p, b)
3739	#endif	4181	#endif
3740		4182
3741	void	4183	void
3742	ev_stat_stat (EV_P_ ev_stat *w)	4184	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3743	{	4185	{
3744	if (lstat (w->path, &w->attr) < 0)	4186	if (lstat (w->path, &w->attr) < 0)
3745	w->attr.st_nlink = 0;	4187	w->attr.st_nlink = 0;
3746	else if (!w->attr.st_nlink)	4188	else if (!w->attr.st_nlink)
3747	w->attr.st_nlink = 1;	4189	w->attr.st_nlink = 1;
…		…
3786	ev_feed_event (EV_A_ w, EV_STAT);	4228	ev_feed_event (EV_A_ w, EV_STAT);
3787	}	4229	}
3788	}	4230	}
3789		4231
3790	void	4232	void
3791	ev_stat_start (EV_P_ ev_stat *w)	4233	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3792	{	4234	{
3793	if (expect_false (ev_is_active (w)))	4235	if (expect_false (ev_is_active (w)))
3794	return;	4236	return;
3795		4237
3796	ev_stat_stat (EV_A_ w);	4238	ev_stat_stat (EV_A_ w);
…		…
3817		4259
3818	EV_FREQUENT_CHECK;	4260	EV_FREQUENT_CHECK;
3819	}	4261	}
3820		4262
3821	void	4263	void
3822	ev_stat_stop (EV_P_ ev_stat *w)	4264	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3823	{	4265	{
3824	clear_pending (EV_A_ (W)w);	4266	clear_pending (EV_A_ (W)w);
3825	if (expect_false (!ev_is_active (w)))	4267	if (expect_false (!ev_is_active (w)))
3826	return;	4268	return;
3827		4269
…		…
3843	}	4285	}
3844	#endif	4286	#endif
3845		4287
3846	#if EV_IDLE_ENABLE	4288	#if EV_IDLE_ENABLE
3847	void	4289	void
3848	ev_idle_start (EV_P_ ev_idle *w)	4290	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3849	{	4291	{
3850	if (expect_false (ev_is_active (w)))	4292	if (expect_false (ev_is_active (w)))
3851	return;	4293	return;
3852		4294
3853	pri_adjust (EV_A_ (W)w);	4295	pri_adjust (EV_A_ (W)w);
…		…
3866		4308
3867	EV_FREQUENT_CHECK;	4309	EV_FREQUENT_CHECK;
3868	}	4310	}
3869		4311
3870	void	4312	void
3871	ev_idle_stop (EV_P_ ev_idle *w)	4313	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3872	{	4314	{
3873	clear_pending (EV_A_ (W)w);	4315	clear_pending (EV_A_ (W)w);
3874	if (expect_false (!ev_is_active (w)))	4316	if (expect_false (!ev_is_active (w)))
3875	return;	4317	return;
3876		4318
…		…
3890	}	4332	}
3891	#endif	4333	#endif
3892		4334
3893	#if EV_PREPARE_ENABLE	4335	#if EV_PREPARE_ENABLE
3894	void	4336	void
3895	ev_prepare_start (EV_P_ ev_prepare *w)	4337	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3896	{	4338	{
3897	if (expect_false (ev_is_active (w)))	4339	if (expect_false (ev_is_active (w)))
3898	return;	4340	return;
3899		4341
3900	EV_FREQUENT_CHECK;	4342	EV_FREQUENT_CHECK;
…		…
3905		4347
3906	EV_FREQUENT_CHECK;	4348	EV_FREQUENT_CHECK;
3907	}	4349	}
3908		4350
3909	void	4351	void
3910	ev_prepare_stop (EV_P_ ev_prepare *w)	4352	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3911	{	4353	{
3912	clear_pending (EV_A_ (W)w);	4354	clear_pending (EV_A_ (W)w);
3913	if (expect_false (!ev_is_active (w)))	4355	if (expect_false (!ev_is_active (w)))
3914	return;	4356	return;
3915		4357
…		…
3928	}	4370	}
3929	#endif	4371	#endif
3930		4372
3931	#if EV_CHECK_ENABLE	4373	#if EV_CHECK_ENABLE
3932	void	4374	void
3933	ev_check_start (EV_P_ ev_check *w)	4375	ev_check_start (EV_P_ ev_check *w) EV_THROW
3934	{	4376	{
3935	if (expect_false (ev_is_active (w)))	4377	if (expect_false (ev_is_active (w)))
3936	return;	4378	return;
3937		4379
3938	EV_FREQUENT_CHECK;	4380	EV_FREQUENT_CHECK;
…		…
3943		4385
3944	EV_FREQUENT_CHECK;	4386	EV_FREQUENT_CHECK;
3945	}	4387	}
3946		4388
3947	void	4389	void
3948	ev_check_stop (EV_P_ ev_check *w)	4390	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3949	{	4391	{
3950	clear_pending (EV_A_ (W)w);	4392	clear_pending (EV_A_ (W)w);
3951	if (expect_false (!ev_is_active (w)))	4393	if (expect_false (!ev_is_active (w)))
3952	return;	4394	return;
3953		4395
…		…
3966	}	4408	}
3967	#endif	4409	#endif
3968		4410
3969	#if EV_EMBED_ENABLE	4411	#if EV_EMBED_ENABLE
3970	void noinline	4412	void noinline
3971	ev_embed_sweep (EV_P_ ev_embed *w)	4413	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3972	{	4414	{
3973	ev_run (w->other, EVRUN_NOWAIT);	4415	ev_run (w->other, EVRUN_NOWAIT);
3974	}	4416	}
3975		4417
3976	static void	4418	static void
…		…
4024	ev_idle_stop (EV_A_ idle);	4466	ev_idle_stop (EV_A_ idle);
4025	}	4467	}
4026	#endif	4468	#endif
4027		4469
4028	void	4470	void
4029	ev_embed_start (EV_P_ ev_embed *w)	4471	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
4030	{	4472	{
4031	if (expect_false (ev_is_active (w)))	4473	if (expect_false (ev_is_active (w)))
4032	return;	4474	return;
4033		4475
4034	{	4476	{
…		…
4055		4497
4056	EV_FREQUENT_CHECK;	4498	EV_FREQUENT_CHECK;
4057	}	4499	}
4058		4500
4059	void	4501	void
4060	ev_embed_stop (EV_P_ ev_embed *w)	4502	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
4061	{	4503	{
4062	clear_pending (EV_A_ (W)w);	4504	clear_pending (EV_A_ (W)w);
4063	if (expect_false (!ev_is_active (w)))	4505	if (expect_false (!ev_is_active (w)))
4064	return;	4506	return;
4065		4507
…		…
4075	}	4517	}
4076	#endif	4518	#endif
4077		4519
4078	#if EV_FORK_ENABLE	4520	#if EV_FORK_ENABLE
4079	void	4521	void
4080	ev_fork_start (EV_P_ ev_fork *w)	4522	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
4081	{	4523	{
4082	if (expect_false (ev_is_active (w)))	4524	if (expect_false (ev_is_active (w)))
4083	return;	4525	return;
4084		4526
4085	EV_FREQUENT_CHECK;	4527	EV_FREQUENT_CHECK;
…		…
4090		4532
4091	EV_FREQUENT_CHECK;	4533	EV_FREQUENT_CHECK;
4092	}	4534	}
4093		4535
4094	void	4536	void
4095	ev_fork_stop (EV_P_ ev_fork *w)	4537	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
4096	{	4538	{
4097	clear_pending (EV_A_ (W)w);	4539	clear_pending (EV_A_ (W)w);
4098	if (expect_false (!ev_is_active (w)))	4540	if (expect_false (!ev_is_active (w)))
4099	return;	4541	return;
4100		4542
…		…
4113	}	4555	}
4114	#endif	4556	#endif
4115		4557
4116	#if EV_CLEANUP_ENABLE	4558	#if EV_CLEANUP_ENABLE
4117	void	4559	void
4118	ev_cleanup_start (EV_P_ ev_cleanup *w)	4560	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
4119	{	4561	{
4120	if (expect_false (ev_is_active (w)))	4562	if (expect_false (ev_is_active (w)))
4121	return;	4563	return;
4122		4564
4123	EV_FREQUENT_CHECK;	4565	EV_FREQUENT_CHECK;
…		…
4130	ev_unref (EV_A);	4572	ev_unref (EV_A);
4131	EV_FREQUENT_CHECK;	4573	EV_FREQUENT_CHECK;
4132	}	4574	}
4133		4575
4134	void	4576	void
4135	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4577	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
4136	{	4578	{
4137	clear_pending (EV_A_ (W)w);	4579	clear_pending (EV_A_ (W)w);
4138	if (expect_false (!ev_is_active (w)))	4580	if (expect_false (!ev_is_active (w)))
4139	return;	4581	return;
4140		4582
…		…
4154	}	4596	}
4155	#endif	4597	#endif
4156		4598
4157	#if EV_ASYNC_ENABLE	4599	#if EV_ASYNC_ENABLE
4158	void	4600	void
4159	ev_async_start (EV_P_ ev_async *w)	4601	ev_async_start (EV_P_ ev_async *w) EV_THROW
4160	{	4602	{
4161	if (expect_false (ev_is_active (w)))	4603	if (expect_false (ev_is_active (w)))
4162	return;	4604	return;
4163		4605
4164	w->sent = 0;	4606	w->sent = 0;
…		…
4173		4615
4174	EV_FREQUENT_CHECK;	4616	EV_FREQUENT_CHECK;
4175	}	4617	}
4176		4618
4177	void	4619	void
4178	ev_async_stop (EV_P_ ev_async *w)	4620	ev_async_stop (EV_P_ ev_async *w) EV_THROW
4179	{	4621	{
4180	clear_pending (EV_A_ (W)w);	4622	clear_pending (EV_A_ (W)w);
4181	if (expect_false (!ev_is_active (w)))	4623	if (expect_false (!ev_is_active (w)))
4182	return;	4624	return;
4183		4625
…		…
4194		4636
4195	EV_FREQUENT_CHECK;	4637	EV_FREQUENT_CHECK;
4196	}	4638	}
4197		4639
4198	void	4640	void
4199	ev_async_send (EV_P_ ev_async *w)	4641	ev_async_send (EV_P_ ev_async *w) EV_THROW
4200	{	4642	{
4201	w->sent = 1;	4643	w->sent = 1;
4202	evpipe_write (EV_A_ &async_pending);	4644	evpipe_write (EV_A_ &async_pending);
4203	}	4645	}
4204	#endif	4646	#endif
…		…
4241		4683
4242	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4684	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4243	}	4685	}
4244		4686
4245	void	4687	void
4246	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4688	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
4247	{	4689	{
4248	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4690	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4249		4691
4250	if (expect_false (!once))	4692	if (expect_false (!once))
4251	{	4693	{
…		…
4273		4715
4274	/*****************************************************************************/	4716	/*****************************************************************************/
4275		4717
4276	#if EV_WALK_ENABLE	4718	#if EV_WALK_ENABLE
4277	void ecb_cold	4719	void ecb_cold
4278	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4720	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
4279	{	4721	{
4280	int i, j;	4722	int i, j;
4281	ev_watcher_list *wl, *wn;	4723	ev_watcher_list *wl, *wn;
4282		4724
4283	if (types & (EV_IO | EV_EMBED))	4725	if (types & (EV_IO | EV_EMBED))
…		…
4389		4831
4390	#if EV_MULTIPLICITY	4832	#if EV_MULTIPLICITY
4391	#include "ev_wrap.h"	4833	#include "ev_wrap.h"
4392	#endif	4834	#endif
4393		4835
4394	EV_CPP(})
4395

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