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Comparing libev/ev.c (file contents):
Revision 1.376 by root, Sat Jun 4 05:33:29 2011 UTC vs.
Revision 1.450 by root, Mon Oct 8 15:43:35 2012 UTC

1	/*	1	/*
2	* libev event processing core, watcher management	2	* libev event processing core, watcher management
3	*	3	*
4	* Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann <libev@schmorp.de>
5	* All rights reserved.	5	* All rights reserved.
6	*	6	*
7	* Redistribution and use in source and binary forms, with or without modifica-	7	* Redistribution and use in source and binary forms, with or without modifica-
8	* tion, are permitted provided that the following conditions are met:	8	* tion, are permitted provided that the following conditions are met:
9	*	9	*
…		…
59	# endif	59	# endif
60	# ifndef EV_USE_MONOTONIC	60	# ifndef EV_USE_MONOTONIC
61	# define EV_USE_MONOTONIC 1	61	# define EV_USE_MONOTONIC 1
62	# endif	62	# endif
63	# endif	63	# endif
64	# elif !defined(EV_USE_CLOCK_SYSCALL)	64	# elif !defined EV_USE_CLOCK_SYSCALL
65	# define EV_USE_CLOCK_SYSCALL 0	65	# define EV_USE_CLOCK_SYSCALL 0
66	# endif	66	# endif
67		67
68	# if HAVE_CLOCK_GETTIME	68	# if HAVE_CLOCK_GETTIME
69	# ifndef EV_USE_MONOTONIC	69	# ifndef EV_USE_MONOTONIC
…		…
183	# include EV_H	183	# include EV_H
184	#else	184	#else
185	# include "ev.h"	185	# include "ev.h"
186	#endif	186	#endif
187		187
188	EV_CPP(extern "C" {)	188	#if EV_NO_THREADS
		189	# undef EV_NO_SMP
		190	# define EV_NO_SMP 1
		191	# undef ECB_NO_THREADS
		192	# define ECB_NO_THREADS 1
		193	#endif
		194	#if EV_NO_SMP
		195	# undef EV_NO_SMP
		196	# define ECB_NO_SMP 1
		197	#endif
189		198
190	#ifndef _WIN32	199	#ifndef _WIN32
191	# include <sys/time.h>	200	# include <sys/time.h>
192	# include <sys/wait.h>	201	# include <sys/wait.h>
193	# include <unistd.h>	202	# include <unistd.h>
194	#else	203	#else
195	# include <io.h>	204	# include <io.h>
196	# define WIN32_LEAN_AND_MEAN	205	# define WIN32_LEAN_AND_MEAN
		206	# include <winsock2.h>
197	# include <windows.h>	207	# include <windows.h>
198	# ifndef EV_SELECT_IS_WINSOCKET	208	# ifndef EV_SELECT_IS_WINSOCKET
199	# define EV_SELECT_IS_WINSOCKET 1	209	# define EV_SELECT_IS_WINSOCKET 1
200	# endif	210	# endif
201	# undef EV_AVOID_STDIO	211	# undef EV_AVOID_STDIO
…		…
210	#define _DARWIN_UNLIMITED_SELECT 1	220	#define _DARWIN_UNLIMITED_SELECT 1
211		221
212	/* this block tries to deduce configuration from header-defined symbols and defaults */	222	/* this block tries to deduce configuration from header-defined symbols and defaults */
213		223
214	/* try to deduce the maximum number of signals on this platform */	224	/* try to deduce the maximum number of signals on this platform */
215	#if defined (EV_NSIG)	225	#if defined EV_NSIG
216	/* use what's provided */	226	/* use what's provided */
217	#elif defined (NSIG)	227	#elif defined NSIG
218	# define EV_NSIG (NSIG)	228	# define EV_NSIG (NSIG)
219	#elif defined(_NSIG)	229	#elif defined _NSIG
220	# define EV_NSIG (_NSIG)	230	# define EV_NSIG (_NSIG)
221	#elif defined (SIGMAX)	231	#elif defined SIGMAX
222	# define EV_NSIG (SIGMAX+1)	232	# define EV_NSIG (SIGMAX+1)
223	#elif defined (SIG_MAX)	233	#elif defined SIG_MAX
224	# define EV_NSIG (SIG_MAX+1)	234	# define EV_NSIG (SIG_MAX+1)
225	#elif defined (_SIG_MAX)	235	#elif defined _SIG_MAX
226	# define EV_NSIG (_SIG_MAX+1)	236	# define EV_NSIG (_SIG_MAX+1)
227	#elif defined (MAXSIG)	237	#elif defined MAXSIG
228	# define EV_NSIG (MAXSIG+1)	238	# define EV_NSIG (MAXSIG+1)
229	#elif defined (MAX_SIG)	239	#elif defined MAX_SIG
230	# define EV_NSIG (MAX_SIG+1)	240	# define EV_NSIG (MAX_SIG+1)
231	#elif defined (SIGARRAYSIZE)	241	#elif defined SIGARRAYSIZE
232	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	242	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233	#elif defined (_sys_nsig)	243	#elif defined _sys_nsig
234	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	244	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235	#else	245	#else
236	# error "unable to find value for NSIG, please report"	246	# error "unable to find value for NSIG, please report"
237	/* to make it compile regardless, just remove the above line, */	247	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */	248	/* but consider reporting it, too! :) */
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	260	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	261	# endif
252	#endif	262	#endif
253		263
254	#ifndef EV_USE_MONOTONIC	264	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	265	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	266	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	267	# else
258	# define EV_USE_MONOTONIC 0	268	# define EV_USE_MONOTONIC 0
259	# endif	269	# endif
260	#endif	270	#endif
…		…
350	#endif	360	#endif
351		361
352	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	362	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */
353	/* which makes programs even slower. might work on other unices, too. */	363	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	364	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	365	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	366	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	367	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	368	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	369	# define EV_USE_MONOTONIC 1
360	# else	370	# else
…		…
386	# define EV_USE_INOTIFY 0	396	# define EV_USE_INOTIFY 0
387	#endif	397	#endif
388		398
389	#if !EV_USE_NANOSLEEP	399	#if !EV_USE_NANOSLEEP
390	/* hp-ux has it in sys/time.h, which we unconditionally include above */	400	/* hp-ux has it in sys/time.h, which we unconditionally include above */
391	# if !defined(_WIN32) && !defined(__hpux)	401	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	402	# include <sys/select.h>
393	# endif	403	# endif
394	#endif	404	#endif
395		405
396	#if EV_USE_INOTIFY	406	#if EV_USE_INOTIFY
…		…
399	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */	409	/* some very old inotify.h headers don't have IN_DONT_FOLLOW */
400	# ifndef IN_DONT_FOLLOW	410	# ifndef IN_DONT_FOLLOW
401	# undef EV_USE_INOTIFY	411	# undef EV_USE_INOTIFY
402	# define EV_USE_INOTIFY 0	412	# define EV_USE_INOTIFY 0
403	# endif	413	# endif
404	#endif
405
406	#if EV_SELECT_IS_WINSOCKET
407	# include <winsock.h>
408	#endif	414	#endif
409		415
410	#if EV_USE_EVENTFD	416	#if EV_USE_EVENTFD
411	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */	417	/* our minimum requirement is glibc 2.7 which has the stub, but not the header */
412	# include <stdint.h>	418	# include <stdint.h>
…		…
464	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	470	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465		471
466	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	472	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
467	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)	473	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468		474
		475	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
		476	/* ECB.H BEGIN */
		477	/*
		478	* libecb - http://software.schmorp.de/pkg/libecb
		479	*
		480	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
		481	* Copyright (©) 2011 Emanuele Giaquinta
		482	* All rights reserved.
		483	*
		484	* Redistribution and use in source and binary forms, with or without modifica-
		485	* tion, are permitted provided that the following conditions are met:
		486	*
		487	* 1. Redistributions of source code must retain the above copyright notice,
		488	* this list of conditions and the following disclaimer.
		489	*
		490	* 2. Redistributions in binary form must reproduce the above copyright
		491	* notice, this list of conditions and the following disclaimer in the
		492	* documentation and/or other materials provided with the distribution.
		493	*
		494	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
		495	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
		496	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
		497	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
		498	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		499	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		500	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		501	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
		502	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
		503	* OF THE POSSIBILITY OF SUCH DAMAGE.
		504	*/
		505
		506	#ifndef ECB_H
		507	#define ECB_H
		508
		509	/* 16 bits major, 16 bits minor */
		510	#define ECB_VERSION 0x00010002
		511
		512	#ifdef _WIN32
		513	typedef signed char int8_t;
		514	typedef unsigned char uint8_t;
		515	typedef signed short int16_t;
		516	typedef unsigned short uint16_t;
		517	typedef signed int int32_t;
		518	typedef unsigned int uint32_t;
469	#if __GNUC__ >= 4	519	#if __GNUC__
470	# define expect(expr,value) __builtin_expect ((expr),(value))	520	typedef signed long long int64_t;
471	# define noinline __attribute__ ((noinline))	521	typedef unsigned long long uint64_t;
		522	#else /* _MSC_VER || __BORLANDC__ */
		523	typedef signed __int64 int64_t;
		524	typedef unsigned __int64 uint64_t;
		525	#endif
		526	#ifdef _WIN64
		527	#define ECB_PTRSIZE 8
		528	typedef uint64_t uintptr_t;
		529	typedef int64_t intptr_t;
		530	#else
		531	#define ECB_PTRSIZE 4
		532	typedef uint32_t uintptr_t;
		533	typedef int32_t intptr_t;
		534	#endif
472	#else	535	#else
473	# define expect(expr,value) (expr)	536	#include <inttypes.h>
474	# define noinline	537	#if UINTMAX_MAX > 0xffffffffU
475	# if __STDC_VERSION__ < 199901L && __GNUC__ < 2	538	#define ECB_PTRSIZE 8
476	# define inline	539	#else
		540	#define ECB_PTRSIZE 4
		541	#endif
477	# endif	542	#endif
		543
		544	/* many compilers define _GNUC_ to some versions but then only implement
		545	* what their idiot authors think are the "more important" extensions,
		546	* causing enormous grief in return for some better fake benchmark numbers.
		547	* or so.
		548	* we try to detect these and simply assume they are not gcc - if they have
		549	* an issue with that they should have done it right in the first place.
		550	*/
		551	#ifndef ECB_GCC_VERSION
		552	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
		553	#define ECB_GCC_VERSION(major,minor) 0
		554	#else
		555	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
478	#endif	556	#endif
		557	#endif
479		558
		559	#define ECB_C (__STDC__+0) /* this assumes that __STDC__ is either empty or a number */
		560	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		561	#define ECB_C11 (__STDC_VERSION__ >= 201112L)
		562	#define ECB_CPP (__cplusplus+0)
		563	#define ECB_CPP11 (__cplusplus >= 201103L)
		564
		565	#if ECB_CPP
		566	#define ECB_EXTERN_C extern "C"
		567	#define ECB_EXTERN_C_BEG ECB_EXTERN_C {
		568	#define ECB_EXTERN_C_END }
		569	#else
		570	#define ECB_EXTERN_C extern
		571	#define ECB_EXTERN_C_BEG
		572	#define ECB_EXTERN_C_END
		573	#endif
		574
		575	/*****************************************************************************/
		576
		577	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
		578	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
		579
		580	#if ECB_NO_THREADS
		581	#define ECB_NO_SMP 1
		582	#endif
		583
		584	#if ECB_NO_SMP
		585	#define ECB_MEMORY_FENCE do { } while (0)
		586	#endif
		587
		588	#ifndef ECB_MEMORY_FENCE
		589	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		590	#if __i386 || __i386__
		591	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		592	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		593	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		594	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
		595	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		596	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
		597	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		598	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		599	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		600	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		601	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		602	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		603	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		604	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		605	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		606	#elif __sparc || __sparc__
		607	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
		608	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		609	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		610	#elif defined __s390__ || defined __s390x__
		611	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		612	#elif defined __mips__
		613	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		614	#elif defined __alpha__
		615	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		616	#elif defined __hppa__
		617	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("" : : : "memory")
		618	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
		619	#elif defined __ia64__
		620	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mf" : : : "memory")
		621	#endif
		622	#endif
		623	#endif
		624
		625	#ifndef ECB_MEMORY_FENCE
		626	#if ECB_GCC_VERSION(4,7)
		627	/* see comment below (stdatomic.h) about the C11 memory model. */
		628	#define ECB_MEMORY_FENCE __atomic_thread_fence (__ATOMIC_SEQ_CST)
		629
		630	/* The __has_feature syntax from clang is so misdesigned that we cannot use it
		631	* without risking compile time errors with other compilers. We *could*
		632	* define our own ecb_clang_has_feature, but I just can't be bothered to work
		633	* around this shit time and again.
		634	* #elif defined __clang && __has_feature (cxx_atomic)
		635	* // see comment below (stdatomic.h) about the C11 memory model.
		636	* #define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
		637	*/
		638
		639	#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
		640	#define ECB_MEMORY_FENCE __sync_synchronize ()
		641	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		642	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		643	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		644	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		645	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		646	#elif defined _WIN32
		647	#include <WinNT.h>
		648	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		649	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		650	#include <mbarrier.h>
		651	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		652	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		653	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		654	#elif __xlC__
		655	#define ECB_MEMORY_FENCE __sync ()
		656	#endif
		657	#endif
		658
		659	#ifndef ECB_MEMORY_FENCE
		660	#if ECB_C11 && !defined __STDC_NO_ATOMICS__
		661	/* we assume that these memory fences work on all variables/all memory accesses, */
		662	/* not just C11 atomics and atomic accesses */
		663	#include <stdatomic.h>
		664	/* Unfortunately, neither gcc 4.7 nor clang 3.1 generate any instructions for */
		665	/* any fence other than seq_cst, which isn't very efficient for us. */
		666	/* Why that is, we don't know - either the C11 memory model is quite useless */
		667	/* for most usages, or gcc and clang have a bug */
		668	/* I *currently* lean towards the latter, and inefficiently implement */
		669	/* all three of ecb's fences as a seq_cst fence */
		670	#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
		671	#endif
		672	#endif
		673
		674	#ifndef ECB_MEMORY_FENCE
		675	#if !ECB_AVOID_PTHREADS
		676	/*
		677	* if you get undefined symbol references to pthread_mutex_lock,
		678	* or failure to find pthread.h, then you should implement
		679	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		680	* OR provide pthread.h and link against the posix thread library
		681	* of your system.
		682	*/
		683	#include <pthread.h>
		684	#define ECB_NEEDS_PTHREADS 1
		685	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
		686
		687	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		688	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		689	#endif
		690	#endif
		691
		692	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
		693	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		694	#endif
		695
		696	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
		697	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		698	#endif
		699
		700	/*****************************************************************************/
		701
		702	#if __cplusplus
		703	#define ecb_inline static inline
		704	#elif ECB_GCC_VERSION(2,5)
		705	#define ecb_inline static __inline__
		706	#elif ECB_C99
		707	#define ecb_inline static inline
		708	#else
		709	#define ecb_inline static
		710	#endif
		711
		712	#if ECB_GCC_VERSION(3,3)
		713	#define ecb_restrict __restrict__
		714	#elif ECB_C99
		715	#define ecb_restrict restrict
		716	#else
		717	#define ecb_restrict
		718	#endif
		719
		720	typedef int ecb_bool;
		721
		722	#define ECB_CONCAT_(a, b) a ## b
		723	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
		724	#define ECB_STRINGIFY_(a) # a
		725	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		726
		727	#define ecb_function_ ecb_inline
		728
		729	#if ECB_GCC_VERSION(3,1)
		730	#define ecb_attribute(attrlist) __attribute__(attrlist)
		731	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		732	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		733	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		734	#else
		735	#define ecb_attribute(attrlist)
		736	#define ecb_is_constant(expr) 0
		737	#define ecb_expect(expr,value) (expr)
		738	#define ecb_prefetch(addr,rw,locality)
		739	#endif
		740
		741	/* no emulation for ecb_decltype */
		742	#if ECB_GCC_VERSION(4,5)
		743	#define ecb_decltype(x) __decltype(x)
		744	#elif ECB_GCC_VERSION(3,0)
		745	#define ecb_decltype(x) __typeof(x)
		746	#endif
		747
		748	#define ecb_noinline ecb_attribute ((__noinline__))
		749	#define ecb_unused ecb_attribute ((__unused__))
		750	#define ecb_const ecb_attribute ((__const__))
		751	#define ecb_pure ecb_attribute ((__pure__))
		752
		753	#if ECB_C11
		754	#define ecb_noreturn _Noreturn
		755	#else
		756	#define ecb_noreturn ecb_attribute ((__noreturn__))
		757	#endif
		758
		759	#if ECB_GCC_VERSION(4,3)
		760	#define ecb_artificial ecb_attribute ((__artificial__))
		761	#define ecb_hot ecb_attribute ((__hot__))
		762	#define ecb_cold ecb_attribute ((__cold__))
		763	#else
		764	#define ecb_artificial
		765	#define ecb_hot
		766	#define ecb_cold
		767	#endif
		768
		769	/* put around conditional expressions if you are very sure that the */
		770	/* expression is mostly true or mostly false. note that these return */
		771	/* booleans, not the expression. */
480	#define expect_false(expr) expect ((expr) != 0, 0)	772	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
481	#define expect_true(expr) expect ((expr) != 0, 1)	773	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
		774	/* for compatibility to the rest of the world */
		775	#define ecb_likely(expr) ecb_expect_true (expr)
		776	#define ecb_unlikely(expr) ecb_expect_false (expr)
		777
		778	/* count trailing zero bits and count # of one bits */
		779	#if ECB_GCC_VERSION(3,4)
		780	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
		781	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
		782	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
		783	#define ecb_ctz32(x) __builtin_ctz (x)
		784	#define ecb_ctz64(x) __builtin_ctzll (x)
		785	#define ecb_popcount32(x) __builtin_popcount (x)
		786	/* no popcountll */
		787	#else
		788	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
		789	ecb_function_ int
		790	ecb_ctz32 (uint32_t x)
		791	{
		792	int r = 0;
		793
		794	x &= ~x + 1; /* this isolates the lowest bit */
		795
		796	#if ECB_branchless_on_i386
		797	r += !!(x & 0xaaaaaaaa) << 0;
		798	r += !!(x & 0xcccccccc) << 1;
		799	r += !!(x & 0xf0f0f0f0) << 2;
		800	r += !!(x & 0xff00ff00) << 3;
		801	r += !!(x & 0xffff0000) << 4;
		802	#else
		803	if (x & 0xaaaaaaaa) r += 1;
		804	if (x & 0xcccccccc) r += 2;
		805	if (x & 0xf0f0f0f0) r += 4;
		806	if (x & 0xff00ff00) r += 8;
		807	if (x & 0xffff0000) r += 16;
		808	#endif
		809
		810	return r;
		811	}
		812
		813	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
		814	ecb_function_ int
		815	ecb_ctz64 (uint64_t x)
		816	{
		817	int shift = x & 0xffffffffU ? 0 : 32;
		818	return ecb_ctz32 (x >> shift) + shift;
		819	}
		820
		821	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
		822	ecb_function_ int
		823	ecb_popcount32 (uint32_t x)
		824	{
		825	x -= (x >> 1) & 0x55555555;
		826	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
		827	x = ((x >> 4) + x) & 0x0f0f0f0f;
		828	x *= 0x01010101;
		829
		830	return x >> 24;
		831	}
		832
		833	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
		834	ecb_function_ int ecb_ld32 (uint32_t x)
		835	{
		836	int r = 0;
		837
		838	if (x >> 16) { x >>= 16; r += 16; }
		839	if (x >> 8) { x >>= 8; r += 8; }
		840	if (x >> 4) { x >>= 4; r += 4; }
		841	if (x >> 2) { x >>= 2; r += 2; }
		842	if (x >> 1) { r += 1; }
		843
		844	return r;
		845	}
		846
		847	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
		848	ecb_function_ int ecb_ld64 (uint64_t x)
		849	{
		850	int r = 0;
		851
		852	if (x >> 32) { x >>= 32; r += 32; }
		853
		854	return r + ecb_ld32 (x);
		855	}
		856	#endif
		857
		858	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) ecb_const;
		859	ecb_function_ ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
		860	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) ecb_const;
		861	ecb_function_ ecb_bool ecb_is_pot64 (uint64_t x) { return !(x & (x - 1)); }
		862
		863	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		864	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		865	{
		866	return ( (x * 0x0802U & 0x22110U)
		867	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		868	}
		869
		870	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		871	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		872	{
		873	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		874	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		875	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		876	x = ( x >> 8 ) | ( x << 8);
		877
		878	return x;
		879	}
		880
		881	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		882	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		883	{
		884	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		885	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		886	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		887	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		888	x = ( x >> 16 ) | ( x << 16);
		889
		890	return x;
		891	}
		892
		893	/* popcount64 is only available on 64 bit cpus as gcc builtin */
		894	/* so for this version we are lazy */
		895	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
		896	ecb_function_ int
		897	ecb_popcount64 (uint64_t x)
		898	{
		899	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
		900	}
		901
		902	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
		903	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
		904	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
		905	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
		906	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
		907	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
		908	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
		909	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
		910
		911	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
		912	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
		913	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
		914	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
		915	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
		916	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
		917	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
		918	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
		919
		920	#if ECB_GCC_VERSION(4,3)
		921	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		922	#define ecb_bswap32(x) __builtin_bswap32 (x)
		923	#define ecb_bswap64(x) __builtin_bswap64 (x)
		924	#else
		925	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
		926	ecb_function_ uint16_t
		927	ecb_bswap16 (uint16_t x)
		928	{
		929	return ecb_rotl16 (x, 8);
		930	}
		931
		932	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
		933	ecb_function_ uint32_t
		934	ecb_bswap32 (uint32_t x)
		935	{
		936	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
		937	}
		938
		939	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
		940	ecb_function_ uint64_t
		941	ecb_bswap64 (uint64_t x)
		942	{
		943	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
		944	}
		945	#endif
		946
		947	#if ECB_GCC_VERSION(4,5)
		948	#define ecb_unreachable() __builtin_unreachable ()
		949	#else
		950	/* this seems to work fine, but gcc always emits a warning for it :/ */
		951	ecb_inline void ecb_unreachable (void) ecb_noreturn;
		952	ecb_inline void ecb_unreachable (void) { }
		953	#endif
		954
		955	/* try to tell the compiler that some condition is definitely true */
		956	#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
		957
		958	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
		959	ecb_inline unsigned char
		960	ecb_byteorder_helper (void)
		961	{
		962	/* the union code still generates code under pressure in gcc, */
		963	/* but less than using pointers, and always seems to */
		964	/* successfully return a constant. */
		965	/* the reason why we have this horrible preprocessor mess */
		966	/* is to avoid it in all cases, at least on common architectures */
		967	/* or when using a recent enough gcc version (>= 4.6) */
		968	#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
		969	return 0x44;
		970	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
		971	return 0x44;
		972	#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
		973	return 0x11;
		974	#else
		975	union
		976	{
		977	uint32_t i;
		978	uint8_t c;
		979	} u = { 0x11223344 };
		980	return u.c;
		981	#endif
		982	}
		983
		984	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
		985	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
		986	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
		987	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
		988
		989	#if ECB_GCC_VERSION(3,0) || ECB_C99
		990	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
		991	#else
		992	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		993	#endif
		994
		995	#if __cplusplus
		996	template<typename T>
		997	static inline T ecb_div_rd (T val, T div)
		998	{
		999	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		1000	}
		1001	template<typename T>
		1002	static inline T ecb_div_ru (T val, T div)
		1003	{
		1004	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		1005	}
		1006	#else
		1007	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		1008	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
		1009	#endif
		1010
		1011	#if ecb_cplusplus_does_not_suck
		1012	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
		1013	template<typename T, int N>
		1014	static inline int ecb_array_length (const T (&arr)[N])
		1015	{
		1016	return N;
		1017	}
		1018	#else
		1019	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
		1020	#endif
		1021
		1022	/*******************************************************************************/
		1023	/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
		1024
		1025	/* basically, everything uses "ieee pure-endian" floating point numbers */
		1026	/* the only noteworthy exception is ancient armle, which uses order 43218765 */
		1027	#if 0 \
		1028	|| __i386 || __i386__ \
		1029	|| __amd64 || __amd64__ || __x86_64 || __x86_64__ \
		1030	|| __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
		1031	|| defined __arm__ && defined __ARM_EABI__ \
		1032	|| defined __s390__ || defined __s390x__ \
		1033	|| defined __mips__ \
		1034	|| defined __alpha__ \
		1035	|| defined __hppa__ \
		1036	|| defined __ia64__ \
		1037	|| defined _M_IX86 || defined _M_AMD64 || defined _M_IA64
		1038	#define ECB_STDFP 1
		1039	#include <string.h> /* for memcpy */
		1040	#else
		1041	#define ECB_STDFP 0
		1042	#include <math.h> /* for frexp*, ldexp* */
		1043	#endif
		1044
		1045	#ifndef ECB_NO_LIBM
		1046
		1047	/* convert a float to ieee single/binary32 */
		1048	ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
		1049	ecb_function_ uint32_t
		1050	ecb_float_to_binary32 (float x)
		1051	{
		1052	uint32_t r;
		1053
		1054	#if ECB_STDFP
		1055	memcpy (&r, &x, 4);
		1056	#else
		1057	/* slow emulation, works for anything but -0 */
		1058	uint32_t m;
		1059	int e;
		1060
		1061	if (x == 0e0f ) return 0x00000000U;
		1062	if (x > +3.40282346638528860e+38f) return 0x7f800000U;
		1063	if (x < -3.40282346638528860e+38f) return 0xff800000U;
		1064	if (x != x ) return 0x7fbfffffU;
		1065
		1066	m = frexpf (x, &e) * 0x1000000U;
		1067
		1068	r = m & 0x80000000U;
		1069
		1070	if (r)
		1071	m = -m;
		1072
		1073	if (e <= -126)
		1074	{
		1075	m &= 0xffffffU;
		1076	m >>= (-125 - e);
		1077	e = -126;
		1078	}
		1079
		1080	r |= (e + 126) << 23;
		1081	r |= m & 0x7fffffU;
		1082	#endif
		1083
		1084	return r;
		1085	}
		1086
		1087	/* converts an ieee single/binary32 to a float */
		1088	ecb_function_ float ecb_binary32_to_float (uint32_t x) ecb_const;
		1089	ecb_function_ float
		1090	ecb_binary32_to_float (uint32_t x)
		1091	{
		1092	float r;
		1093
		1094	#if ECB_STDFP
		1095	memcpy (&r, &x, 4);
		1096	#else
		1097	/* emulation, only works for normals and subnormals and +0 */
		1098	int neg = x >> 31;
		1099	int e = (x >> 23) & 0xffU;
		1100
		1101	x &= 0x7fffffU;
		1102
		1103	if (e)
		1104	x |= 0x800000U;
		1105	else
		1106	e = 1;
		1107
		1108	/* we distrust ldexpf a bit and do the 2**-24 scaling by an extra multiply */
		1109	r = ldexpf (x * (0.5f / 0x800000U), e - 126);
		1110
		1111	r = neg ? -r : r;
		1112	#endif
		1113
		1114	return r;
		1115	}
		1116
		1117	/* convert a double to ieee double/binary64 */
		1118	ecb_function_ uint64_t ecb_double_to_binary64 (double x) ecb_const;
		1119	ecb_function_ uint64_t
		1120	ecb_double_to_binary64 (double x)
		1121	{
		1122	uint64_t r;
		1123
		1124	#if ECB_STDFP
		1125	memcpy (&r, &x, 8);
		1126	#else
		1127	/* slow emulation, works for anything but -0 */
		1128	uint64_t m;
		1129	int e;
		1130
		1131	if (x == 0e0 ) return 0x0000000000000000U;
		1132	if (x > +1.79769313486231470e+308) return 0x7ff0000000000000U;
		1133	if (x < -1.79769313486231470e+308) return 0xfff0000000000000U;
		1134	if (x != x ) return 0X7ff7ffffffffffffU;
		1135
		1136	m = frexp (x, &e) * 0x20000000000000U;
		1137
		1138	r = m & 0x8000000000000000;;
		1139
		1140	if (r)
		1141	m = -m;
		1142
		1143	if (e <= -1022)
		1144	{
		1145	m &= 0x1fffffffffffffU;
		1146	m >>= (-1021 - e);
		1147	e = -1022;
		1148	}
		1149
		1150	r |= ((uint64_t)(e + 1022)) << 52;
		1151	r |= m & 0xfffffffffffffU;
		1152	#endif
		1153
		1154	return r;
		1155	}
		1156
		1157	/* converts an ieee double/binary64 to a double */
		1158	ecb_function_ double ecb_binary64_to_double (uint64_t x) ecb_const;
		1159	ecb_function_ double
		1160	ecb_binary64_to_double (uint64_t x)
		1161	{
		1162	double r;
		1163
		1164	#if ECB_STDFP
		1165	memcpy (&r, &x, 8);
		1166	#else
		1167	/* emulation, only works for normals and subnormals and +0 */
		1168	int neg = x >> 63;
		1169	int e = (x >> 52) & 0x7ffU;
		1170
		1171	x &= 0xfffffffffffffU;
		1172
		1173	if (e)
		1174	x |= 0x10000000000000U;
		1175	else
		1176	e = 1;
		1177
		1178	/* we distrust ldexp a bit and do the 2**-53 scaling by an extra multiply */
		1179	r = ldexp (x * (0.5 / 0x10000000000000U), e - 1022);
		1180
		1181	r = neg ? -r : r;
		1182	#endif
		1183
		1184	return r;
		1185	}
		1186
		1187	#endif
		1188
		1189	#endif
		1190
		1191	/* ECB.H END */
		1192
		1193	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		1194	/* if your architecture doesn't need memory fences, e.g. because it is
		1195	* single-cpu/core, or if you use libev in a project that doesn't use libev
		1196	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		1197	* libev, in which cases the memory fences become nops.
		1198	* alternatively, you can remove this #error and link against libpthread,
		1199	* which will then provide the memory fences.
		1200	*/
		1201	# error "memory fences not defined for your architecture, please report"
		1202	#endif
		1203
		1204	#ifndef ECB_MEMORY_FENCE
		1205	# define ECB_MEMORY_FENCE do { } while (0)
		1206	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		1207	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		1208	#endif
		1209
		1210	#define expect_false(cond) ecb_expect_false (cond)
		1211	#define expect_true(cond) ecb_expect_true (cond)
		1212	#define noinline ecb_noinline
		1213
482	#define inline_size static inline	1214	#define inline_size ecb_inline
483		1215
484	#if EV_FEATURE_CODE	1216	#if EV_FEATURE_CODE
485	# define inline_speed static inline	1217	# define inline_speed ecb_inline
486	#else	1218	#else
487	# define inline_speed static noinline	1219	# define inline_speed static noinline
488	#endif	1220	#endif
489		1221
490	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	1222	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
…		…
581		1313
582	#ifdef __linux	1314	#ifdef __linux
583	# include <sys/utsname.h>	1315	# include <sys/utsname.h>
584	#endif	1316	#endif
585		1317
586	static unsigned int noinline	1318	static unsigned int noinline ecb_cold
587	ev_linux_version (void)	1319	ev_linux_version (void)
588	{	1320	{
589	#ifdef __linux	1321	#ifdef __linux
590	unsigned int v = 0;	1322	unsigned int v = 0;
591	struct utsname buf;	1323	struct utsname buf;
…		…
620	}	1352	}
621		1353
622	/*****************************************************************************/	1354	/*****************************************************************************/
623		1355
624	#if EV_AVOID_STDIO	1356	#if EV_AVOID_STDIO
625	static void noinline	1357	static void noinline ecb_cold
626	ev_printerr (const char *msg)	1358	ev_printerr (const char *msg)
627	{	1359	{
628	write (STDERR_FILENO, msg, strlen (msg));	1360	write (STDERR_FILENO, msg, strlen (msg));
629	}	1361	}
630	#endif	1362	#endif
631		1363
632	static void (*syserr_cb)(const char *msg);	1364	static void (*syserr_cb)(const char *msg) EV_THROW;
633		1365
634	void	1366	void ecb_cold
635	ev_set_syserr_cb (void (*cb)(const char *msg))	1367	ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW
636	{	1368	{
637	syserr_cb = cb;	1369	syserr_cb = cb;
638	}	1370	}
639		1371
640	static void noinline	1372	static void noinline ecb_cold
641	ev_syserr (const char *msg)	1373	ev_syserr (const char *msg)
642	{	1374	{
643	if (!msg)	1375	if (!msg)
644	msg = "(libev) system error";	1376	msg = "(libev) system error";
645		1377
…		…
658	abort ();	1390	abort ();
659	}	1391	}
660	}	1392	}
661		1393
662	static void *	1394	static void *
663	ev_realloc_emul (void *ptr, long size)	1395	ev_realloc_emul (void *ptr, long size) EV_THROW
664	{	1396	{
665	#if __GLIBC__
666	return realloc (ptr, size);
667	#else
668	/* some systems, notably openbsd and darwin, fail to properly	1397	/* some systems, notably openbsd and darwin, fail to properly
669	* implement realloc (x, 0) (as required by both ansi c-89 and	1398	* implement realloc (x, 0) (as required by both ansi c-89 and
670	* the single unix specification, so work around them here.	1399	* the single unix specification, so work around them here.
		1400	* recently, also (at least) fedora and debian started breaking it,
		1401	* despite documenting it otherwise.
671	*/	1402	*/
672		1403
673	if (size)	1404	if (size)
674	return realloc (ptr, size);	1405	return realloc (ptr, size);
675		1406
676	free (ptr);	1407	free (ptr);
677	return 0;	1408	return 0;
678	#endif
679	}	1409	}
680		1410
681	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1411	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
682		1412
683	void	1413	void ecb_cold
684	ev_set_allocator (void *(*cb)(void *ptr, long size))	1414	ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW
685	{	1415	{
686	alloc = cb;	1416	alloc = cb;
687	}	1417	}
688		1418
689	inline_speed void *	1419	inline_speed void *
…		…
777	#undef VAR	1507	#undef VAR
778	};	1508	};
779	#include "ev_wrap.h"	1509	#include "ev_wrap.h"
780		1510
781	static struct ev_loop default_loop_struct;	1511	static struct ev_loop default_loop_struct;
782	struct ev_loop *ev_default_loop_ptr;	1512	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
783		1513
784	#else	1514	#else
785		1515
786	ev_tstamp ev_rt_now;	1516	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
787	#define VAR(name,decl) static decl;	1517	#define VAR(name,decl) static decl;
788	#include "ev_vars.h"	1518	#include "ev_vars.h"
789	#undef VAR	1519	#undef VAR
790		1520
791	static int ev_default_loop_ptr;	1521	static int ev_default_loop_ptr;
…		…
806		1536
807	/*****************************************************************************/	1537	/*****************************************************************************/
808		1538
809	#ifndef EV_HAVE_EV_TIME	1539	#ifndef EV_HAVE_EV_TIME
810	ev_tstamp	1540	ev_tstamp
811	ev_time (void)	1541	ev_time (void) EV_THROW
812	{	1542	{
813	#if EV_USE_REALTIME	1543	#if EV_USE_REALTIME
814	if (expect_true (have_realtime))	1544	if (expect_true (have_realtime))
815	{	1545	{
816	struct timespec ts;	1546	struct timespec ts;
…		…
840	return ev_time ();	1570	return ev_time ();
841	}	1571	}
842		1572
843	#if EV_MULTIPLICITY	1573	#if EV_MULTIPLICITY
844	ev_tstamp	1574	ev_tstamp
845	ev_now (EV_P)	1575	ev_now (EV_P) EV_THROW
846	{	1576	{
847	return ev_rt_now;	1577	return ev_rt_now;
848	}	1578	}
849	#endif	1579	#endif
850		1580
851	void	1581	void
852	ev_sleep (ev_tstamp delay)	1582	ev_sleep (ev_tstamp delay) EV_THROW
853	{	1583	{
854	if (delay > 0.)	1584	if (delay > 0.)
855	{	1585	{
856	#if EV_USE_NANOSLEEP	1586	#if EV_USE_NANOSLEEP
857	struct timespec ts;	1587	struct timespec ts;
858		1588
859	EV_TS_SET (ts, delay);	1589	EV_TS_SET (ts, delay);
860	nanosleep (&ts, 0);	1590	nanosleep (&ts, 0);
861	#elif defined(_WIN32)	1591	#elif defined _WIN32
862	Sleep ((unsigned long)(delay * 1e3));	1592	Sleep ((unsigned long)(delay * 1e3));
863	#else	1593	#else
864	struct timeval tv;	1594	struct timeval tv;
865		1595
866	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1596	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
885		1615
886	do	1616	do
887	ncur <<= 1;	1617	ncur <<= 1;
888	while (cnt > ncur);	1618	while (cnt > ncur);
889		1619
890	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1620	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
891	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1621	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
892	{	1622	{
893	ncur *= elem;	1623	ncur *= elem;
894	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1624	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
895	ncur = ncur - sizeof (void *) * 4;	1625	ncur = ncur - sizeof (void *) * 4;
…		…
897	}	1627	}
898		1628
899	return ncur;	1629	return ncur;
900	}	1630	}
901		1631
902	static noinline void *	1632	static void * noinline ecb_cold
903	array_realloc (int elem, void *base, int *cur, int cnt)	1633	array_realloc (int elem, void *base, int *cur, int cnt)
904	{	1634	{
905	*cur = array_nextsize (elem, *cur, cnt);	1635	*cur = array_nextsize (elem, *cur, cnt);
906	return ev_realloc (base, elem * *cur);	1636	return ev_realloc (base, elem * *cur);
907	}	1637	}
…		…
910	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1640	memset ((void *)(base), 0, sizeof (*(base)) * (count))
911		1641
912	#define array_needsize(type,base,cur,cnt,init) \	1642	#define array_needsize(type,base,cur,cnt,init) \
913	if (expect_false ((cnt) > (cur))) \	1643	if (expect_false ((cnt) > (cur))) \
914	{ \	1644	{ \
915	int ocur_ = (cur); \	1645	int ecb_unused ocur_ = (cur); \
916	(base) = (type *)array_realloc \	1646	(base) = (type *)array_realloc \
917	(sizeof (type), (base), &(cur), (cnt)); \	1647	(sizeof (type), (base), &(cur), (cnt)); \
918	init ((base) + (ocur_), (cur) - ocur_); \	1648	init ((base) + (ocur_), (cur) - ocur_); \
919	}	1649	}
920		1650
…		…
938	pendingcb (EV_P_ ev_prepare *w, int revents)	1668	pendingcb (EV_P_ ev_prepare *w, int revents)
939	{	1669	{
940	}	1670	}
941		1671
942	void noinline	1672	void noinline
943	ev_feed_event (EV_P_ void *w, int revents)	1673	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
944	{	1674	{
945	W w_ = (W)w;	1675	W w_ = (W)w;
946	int pri = ABSPRI (w_);	1676	int pri = ABSPRI (w_);
947		1677
948	if (expect_false (w_->pending))	1678	if (expect_false (w_->pending))
…		…
952	w_->pending = ++pendingcnt [pri];	1682	w_->pending = ++pendingcnt [pri];
953	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1683	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
954	pendings [pri][w_->pending - 1].w = w_;	1684	pendings [pri][w_->pending - 1].w = w_;
955	pendings [pri][w_->pending - 1].events = revents;	1685	pendings [pri][w_->pending - 1].events = revents;
956	}	1686	}
		1687
		1688	pendingpri = NUMPRI - 1;
957	}	1689	}
958		1690
959	inline_speed void	1691	inline_speed void
960	feed_reverse (EV_P_ W w)	1692	feed_reverse (EV_P_ W w)
961	{	1693	{
…		…
1007	if (expect_true (!anfd->reify))	1739	if (expect_true (!anfd->reify))
1008	fd_event_nocheck (EV_A_ fd, revents);	1740	fd_event_nocheck (EV_A_ fd, revents);
1009	}	1741	}
1010		1742
1011	void	1743	void
1012	ev_feed_fd_event (EV_P_ int fd, int revents)	1744	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1013	{	1745	{
1014	if (fd >= 0 && fd < anfdmax)	1746	if (fd >= 0 && fd < anfdmax)
1015	fd_event_nocheck (EV_A_ fd, revents);	1747	fd_event_nocheck (EV_A_ fd, revents);
1016	}	1748	}
1017		1749
…		…
1090	fdchanges [fdchangecnt - 1] = fd;	1822	fdchanges [fdchangecnt - 1] = fd;
1091	}	1823	}
1092	}	1824	}
1093		1825
1094	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	1826	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1095	inline_speed void	1827	inline_speed void ecb_cold
1096	fd_kill (EV_P_ int fd)	1828	fd_kill (EV_P_ int fd)
1097	{	1829	{
1098	ev_io *w;	1830	ev_io *w;
1099		1831
1100	while ((w = (ev_io *)anfds [fd].head))	1832	while ((w = (ev_io *)anfds [fd].head))
…		…
1103	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	1835	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1104	}	1836	}
1105	}	1837	}
1106		1838
1107	/* check whether the given fd is actually valid, for error recovery */	1839	/* check whether the given fd is actually valid, for error recovery */
1108	inline_size int	1840	inline_size int ecb_cold
1109	fd_valid (int fd)	1841	fd_valid (int fd)
1110	{	1842	{
1111	#ifdef _WIN32	1843	#ifdef _WIN32
1112	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	1844	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1113	#else	1845	#else
1114	return fcntl (fd, F_GETFD) != -1;	1846	return fcntl (fd, F_GETFD) != -1;
1115	#endif	1847	#endif
1116	}	1848	}
1117		1849
1118	/* called on EBADF to verify fds */	1850	/* called on EBADF to verify fds */
1119	static void noinline	1851	static void noinline ecb_cold
1120	fd_ebadf (EV_P)	1852	fd_ebadf (EV_P)
1121	{	1853	{
1122	int fd;	1854	int fd;
1123		1855
1124	for (fd = 0; fd < anfdmax; ++fd)	1856	for (fd = 0; fd < anfdmax; ++fd)
…		…
1126	if (!fd_valid (fd) && errno == EBADF)	1858	if (!fd_valid (fd) && errno == EBADF)
1127	fd_kill (EV_A_ fd);	1859	fd_kill (EV_A_ fd);
1128	}	1860	}
1129		1861
1130	/* called on ENOMEM in select/poll to kill some fds and retry */	1862	/* called on ENOMEM in select/poll to kill some fds and retry */
1131	static void noinline	1863	static void noinline ecb_cold
1132	fd_enomem (EV_P)	1864	fd_enomem (EV_P)
1133	{	1865	{
1134	int fd;	1866	int fd;
1135		1867
1136	for (fd = anfdmax; fd--; )	1868	for (fd = anfdmax; fd--; )
…		…
1331		2063
1332	/*****************************************************************************/	2064	/*****************************************************************************/
1333		2065
1334	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	2066	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1335		2067
1336	static void noinline	2068	static void noinline ecb_cold
1337	evpipe_init (EV_P)	2069	evpipe_init (EV_P)
1338	{	2070	{
1339	if (!ev_is_active (&pipe_w))	2071	if (!ev_is_active (&pipe_w))
1340	{	2072	{
		2073	int fds [2];
		2074
1341	# if EV_USE_EVENTFD	2075	# if EV_USE_EVENTFD
		2076	fds [0] = -1;
1342	evfd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);	2077	fds [1] = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
1343	if (evfd < 0 && errno == EINVAL)	2078	if (fds [1] < 0 && errno == EINVAL)
1344	evfd = eventfd (0, 0);	2079	fds [1] = eventfd (0, 0);
1345		2080
1346	if (evfd >= 0)	2081	if (fds [1] < 0)
		2082	# endif
1347	{	2083	{
		2084	while (pipe (fds))
		2085	ev_syserr ("(libev) error creating signal/async pipe");
		2086
		2087	fd_intern (fds [0]);
		2088	}
		2089
		2090	fd_intern (fds [1]);
		2091
1348	evpipe [0] = -1;	2092	evpipe [0] = fds [0];
1349	fd_intern (evfd); /* doing it twice doesn't hurt */	2093
1350	ev_io_set (&pipe_w, evfd, EV_READ);	2094	if (evpipe [1] < 0)
		2095	evpipe [1] = fds [1]; /* first call, set write fd */
		2096	else
		2097	{
		2098	/* on subsequent calls, do not change evpipe [1] */
		2099	/* so that evpipe_write can always rely on its value. */
		2100	/* this branch does not do anything sensible on windows, */
		2101	/* so must not be executed on windows */
		2102
		2103	dup2 (fds [1], evpipe [1]);
		2104	close (fds [1]);
		2105	}
		2106
		2107	ev_io_set (&pipe_w, evpipe [0] < 0 ? evpipe [1] : evpipe [0], EV_READ);
		2108	ev_io_start (EV_A_ &pipe_w);
		2109	ev_unref (EV_A); /* watcher should not keep loop alive */
		2110	}
		2111	}
		2112
		2113	inline_speed void
		2114	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
		2115	{
		2116	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
		2117
		2118	if (expect_true (*flag))
		2119	return;
		2120
		2121	*flag = 1;
		2122	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		2123
		2124	pipe_write_skipped = 1;
		2125
		2126	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		2127
		2128	if (pipe_write_wanted)
		2129	{
		2130	int old_errno;
		2131
		2132	pipe_write_skipped = 0;
		2133	ECB_MEMORY_FENCE_RELEASE;
		2134
		2135	old_errno = errno; /* save errno because write will clobber it */
		2136
		2137	#if EV_USE_EVENTFD
		2138	if (evpipe [0] < 0)
		2139	{
		2140	uint64_t counter = 1;
		2141	write (evpipe [1], &counter, sizeof (uint64_t));
1351	}	2142	}
1352	else	2143	else
1353	# endif	2144	#endif
1354	{	2145	{
1355	while (pipe (evpipe))	2146	#ifdef _WIN32
1356	ev_syserr ("(libev) error creating signal/async pipe");	2147	WSABUF buf;
1357		2148	DWORD sent;
1358	fd_intern (evpipe [0]);	2149	buf.buf = &buf;
1359	fd_intern (evpipe [1]);	2150	buf.len = 1;
1360	ev_io_set (&pipe_w, evpipe [0], EV_READ);	2151	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
		2152	#else
		2153	write (evpipe [1], &(evpipe [1]), 1);
		2154	#endif
1361	}	2155	}
1362
1363	ev_io_start (EV_A_ &pipe_w);
1364	ev_unref (EV_A); /* watcher should not keep loop alive */
1365	}
1366	}
1367
1368	inline_size void
1369	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1370	{
1371	if (!*flag)
1372	{
1373	int old_errno = errno; /* save errno because write might clobber it */
1374	char dummy;
1375
1376	*flag = 1;
1377
1378	#if EV_USE_EVENTFD
1379	if (evfd >= 0)
1380	{
1381	uint64_t counter = 1;
1382	write (evfd, &counter, sizeof (uint64_t));
1383	}
1384	else
1385	#endif
1386	/* win32 people keep sending patches that change this write() to send() */
1387	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1388	/* so when you think this write should be a send instead, please find out */
1389	/* where your send() is from - it's definitely not the microsoft send, and */
1390	/* tell me. thank you. */
1391	write (evpipe [1], &dummy, 1);
1392		2156
1393	errno = old_errno;	2157	errno = old_errno;
1394	}	2158	}
1395	}	2159	}
1396		2160
…		…
1399	static void	2163	static void
1400	pipecb (EV_P_ ev_io *iow, int revents)	2164	pipecb (EV_P_ ev_io *iow, int revents)
1401	{	2165	{
1402	int i;	2166	int i;
1403		2167
		2168	if (revents & EV_READ)
		2169	{
1404	#if EV_USE_EVENTFD	2170	#if EV_USE_EVENTFD
1405	if (evfd >= 0)	2171	if (evpipe [0] < 0)
1406	{	2172	{
1407	uint64_t counter;	2173	uint64_t counter;
1408	read (evfd, &counter, sizeof (uint64_t));	2174	read (evpipe [1], &counter, sizeof (uint64_t));
1409	}	2175	}
1410	else	2176	else
1411	#endif	2177	#endif
1412	{	2178	{
1413	char dummy;	2179	char dummy[4];
1414	/* see discussion in evpipe_write when you think this read should be recv in win32 */	2180	#ifdef _WIN32
		2181	WSABUF buf;
		2182	DWORD recvd;
		2183	DWORD flags = 0;
		2184	buf.buf = dummy;
		2185	buf.len = sizeof (dummy);
		2186	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, &flags, 0, 0);
		2187	#else
1415	read (evpipe [0], &dummy, 1);	2188	read (evpipe [0], &dummy, sizeof (dummy));
		2189	#endif
		2190	}
1416	}	2191	}
		2192
		2193	pipe_write_skipped = 0;
		2194
		2195	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1417		2196
1418	#if EV_SIGNAL_ENABLE	2197	#if EV_SIGNAL_ENABLE
1419	if (sig_pending)	2198	if (sig_pending)
1420	{	2199	{
1421	sig_pending = 0;	2200	sig_pending = 0;
		2201
		2202	ECB_MEMORY_FENCE;
1422		2203
1423	for (i = EV_NSIG - 1; i--; )	2204	for (i = EV_NSIG - 1; i--; )
1424	if (expect_false (signals [i].pending))	2205	if (expect_false (signals [i].pending))
1425	ev_feed_signal_event (EV_A_ i + 1);	2206	ev_feed_signal_event (EV_A_ i + 1);
1426	}	2207	}
…		…
1428		2209
1429	#if EV_ASYNC_ENABLE	2210	#if EV_ASYNC_ENABLE
1430	if (async_pending)	2211	if (async_pending)
1431	{	2212	{
1432	async_pending = 0;	2213	async_pending = 0;
		2214
		2215	ECB_MEMORY_FENCE;
1433		2216
1434	for (i = asynccnt; i--; )	2217	for (i = asynccnt; i--; )
1435	if (asyncs [i]->sent)	2218	if (asyncs [i]->sent)
1436	{	2219	{
1437	asyncs [i]->sent = 0;	2220	asyncs [i]->sent = 0;
		2221	ECB_MEMORY_FENCE_RELEASE;
1438	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);	2222	ev_feed_event (EV_A_ asyncs [i], EV_ASYNC);
1439	}	2223	}
1440	}	2224	}
1441	#endif	2225	#endif
1442	}	2226	}
1443		2227
1444	/*****************************************************************************/	2228	/*****************************************************************************/
1445		2229
1446	void	2230	void
1447	ev_feed_signal (int signum)	2231	ev_feed_signal (int signum) EV_THROW
1448	{	2232	{
1449	#if EV_MULTIPLICITY	2233	#if EV_MULTIPLICITY
		2234	ECB_MEMORY_FENCE_ACQUIRE;
1450	EV_P = signals [signum - 1].loop;	2235	EV_P = signals [signum - 1].loop;
1451		2236
1452	if (!EV_A)	2237	if (!EV_A)
1453	return;	2238	return;
1454	#endif	2239	#endif
…		…
1466		2251
1467	ev_feed_signal (signum);	2252	ev_feed_signal (signum);
1468	}	2253	}
1469		2254
1470	void noinline	2255	void noinline
1471	ev_feed_signal_event (EV_P_ int signum)	2256	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1472	{	2257	{
1473	WL w;	2258	WL w;
1474		2259
1475	if (expect_false (signum <= 0 || signum > EV_NSIG))	2260	if (expect_false (signum <= 0 || signum >= EV_NSIG))
1476	return;	2261	return;
1477		2262
1478	--signum;	2263	--signum;
1479		2264
1480	#if EV_MULTIPLICITY	2265	#if EV_MULTIPLICITY
…		…
1484	if (expect_false (signals [signum].loop != EV_A))	2269	if (expect_false (signals [signum].loop != EV_A))
1485	return;	2270	return;
1486	#endif	2271	#endif
1487		2272
1488	signals [signum].pending = 0;	2273	signals [signum].pending = 0;
		2274	ECB_MEMORY_FENCE_RELEASE;
1489		2275
1490	for (w = signals [signum].head; w; w = w->next)	2276	for (w = signals [signum].head; w; w = w->next)
1491	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);	2277	ev_feed_event (EV_A_ (W)w, EV_SIGNAL);
1492	}	2278	}
1493		2279
…		…
1591	#endif	2377	#endif
1592	#if EV_USE_SELECT	2378	#if EV_USE_SELECT
1593	# include "ev_select.c"	2379	# include "ev_select.c"
1594	#endif	2380	#endif
1595		2381
1596	int	2382	int ecb_cold
1597	ev_version_major (void)	2383	ev_version_major (void) EV_THROW
1598	{	2384	{
1599	return EV_VERSION_MAJOR;	2385	return EV_VERSION_MAJOR;
1600	}	2386	}
1601		2387
1602	int	2388	int ecb_cold
1603	ev_version_minor (void)	2389	ev_version_minor (void) EV_THROW
1604	{	2390	{
1605	return EV_VERSION_MINOR;	2391	return EV_VERSION_MINOR;
1606	}	2392	}
1607		2393
1608	/* return true if we are running with elevated privileges and should ignore env variables */	2394	/* return true if we are running with elevated privileges and should ignore env variables */
1609	int inline_size	2395	int inline_size ecb_cold
1610	enable_secure (void)	2396	enable_secure (void)
1611	{	2397	{
1612	#ifdef _WIN32	2398	#ifdef _WIN32
1613	return 0;	2399	return 0;
1614	#else	2400	#else
1615	return getuid () != geteuid ()	2401	return getuid () != geteuid ()
1616	|| getgid () != getegid ();	2402	|| getgid () != getegid ();
1617	#endif	2403	#endif
1618	}	2404	}
1619		2405
1620	unsigned int	2406	unsigned int ecb_cold
1621	ev_supported_backends (void)	2407	ev_supported_backends (void) EV_THROW
1622	{	2408	{
1623	unsigned int flags = 0;	2409	unsigned int flags = 0;
1624		2410
1625	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2411	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1626	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2412	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
1629	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2415	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
1630		2416
1631	return flags;	2417	return flags;
1632	}	2418	}
1633		2419
1634	unsigned int	2420	unsigned int ecb_cold
1635	ev_recommended_backends (void)	2421	ev_recommended_backends (void) EV_THROW
1636	{	2422	{
1637	unsigned int flags = ev_supported_backends ();	2423	unsigned int flags = ev_supported_backends ();
1638		2424
1639	#ifndef __NetBSD__	2425	#ifndef __NetBSD__
1640	/* kqueue is borked on everything but netbsd apparently */	2426	/* kqueue is borked on everything but netbsd apparently */
…		…
1651	#endif	2437	#endif
1652		2438
1653	return flags;	2439	return flags;
1654	}	2440	}
1655		2441
1656	unsigned int	2442	unsigned int ecb_cold
1657	ev_embeddable_backends (void)	2443	ev_embeddable_backends (void) EV_THROW
1658	{	2444	{
1659	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2445	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1660		2446
1661	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2447	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1662	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2448	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
1664		2450
1665	return flags;	2451	return flags;
1666	}	2452	}
1667		2453
1668	unsigned int	2454	unsigned int
1669	ev_backend (EV_P)	2455	ev_backend (EV_P) EV_THROW
1670	{	2456	{
1671	return backend;	2457	return backend;
1672	}	2458	}
1673		2459
1674	#if EV_FEATURE_API	2460	#if EV_FEATURE_API
1675	unsigned int	2461	unsigned int
1676	ev_iteration (EV_P)	2462	ev_iteration (EV_P) EV_THROW
1677	{	2463	{
1678	return loop_count;	2464	return loop_count;
1679	}	2465	}
1680		2466
1681	unsigned int	2467	unsigned int
1682	ev_depth (EV_P)	2468	ev_depth (EV_P) EV_THROW
1683	{	2469	{
1684	return loop_depth;	2470	return loop_depth;
1685	}	2471	}
1686		2472
1687	void	2473	void
1688	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2474	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1689	{	2475	{
1690	io_blocktime = interval;	2476	io_blocktime = interval;
1691	}	2477	}
1692		2478
1693	void	2479	void
1694	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2480	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1695	{	2481	{
1696	timeout_blocktime = interval;	2482	timeout_blocktime = interval;
1697	}	2483	}
1698		2484
1699	void	2485	void
1700	ev_set_userdata (EV_P_ void *data)	2486	ev_set_userdata (EV_P_ void *data) EV_THROW
1701	{	2487	{
1702	userdata = data;	2488	userdata = data;
1703	}	2489	}
1704		2490
1705	void *	2491	void *
1706	ev_userdata (EV_P)	2492	ev_userdata (EV_P) EV_THROW
1707	{	2493	{
1708	return userdata;	2494	return userdata;
1709	}	2495	}
1710		2496
		2497	void
1711	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2498	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
1712	{	2499	{
1713	invoke_cb = invoke_pending_cb;	2500	invoke_cb = invoke_pending_cb;
1714	}	2501	}
1715		2502
		2503	void
1716	void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2504	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
1717	{	2505	{
1718	release_cb = release;	2506	release_cb = release;
1719	acquire_cb = acquire;	2507	acquire_cb = acquire;
1720	}	2508	}
1721	#endif	2509	#endif
1722		2510
1723	/* initialise a loop structure, must be zero-initialised */	2511	/* initialise a loop structure, must be zero-initialised */
1724	static void noinline	2512	static void noinline ecb_cold
1725	loop_init (EV_P_ unsigned int flags)	2513	loop_init (EV_P_ unsigned int flags) EV_THROW
1726	{	2514	{
1727	if (!backend)	2515	if (!backend)
1728	{	2516	{
1729	origflags = flags;	2517	origflags = flags;
1730		2518
…		…
1757	if (!(flags & EVFLAG_NOENV)	2545	if (!(flags & EVFLAG_NOENV)
1758	&& !enable_secure ()	2546	&& !enable_secure ()
1759	&& getenv ("LIBEV_FLAGS"))	2547	&& getenv ("LIBEV_FLAGS"))
1760	flags = atoi (getenv ("LIBEV_FLAGS"));	2548	flags = atoi (getenv ("LIBEV_FLAGS"));
1761		2549
1762	ev_rt_now = ev_time ();	2550	ev_rt_now = ev_time ();
1763	mn_now = get_clock ();	2551	mn_now = get_clock ();
1764	now_floor = mn_now;	2552	now_floor = mn_now;
1765	rtmn_diff = ev_rt_now - mn_now;	2553	rtmn_diff = ev_rt_now - mn_now;
1766	#if EV_FEATURE_API	2554	#if EV_FEATURE_API
1767	invoke_cb = ev_invoke_pending;	2555	invoke_cb = ev_invoke_pending;
1768	#endif	2556	#endif
1769		2557
1770	io_blocktime = 0.;	2558	io_blocktime = 0.;
1771	timeout_blocktime = 0.;	2559	timeout_blocktime = 0.;
1772	backend = 0;	2560	backend = 0;
1773	backend_fd = -1;	2561	backend_fd = -1;
1774	sig_pending = 0;	2562	sig_pending = 0;
1775	#if EV_ASYNC_ENABLE	2563	#if EV_ASYNC_ENABLE
1776	async_pending = 0;	2564	async_pending = 0;
1777	#endif	2565	#endif
		2566	pipe_write_skipped = 0;
		2567	pipe_write_wanted = 0;
		2568	evpipe [0] = -1;
		2569	evpipe [1] = -1;
1778	#if EV_USE_INOTIFY	2570	#if EV_USE_INOTIFY
1779	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2571	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1780	#endif	2572	#endif
1781	#if EV_USE_SIGNALFD	2573	#if EV_USE_SIGNALFD
1782	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2574	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1783	#endif	2575	#endif
1784		2576
1785	if (!(flags & EVBACKEND_MASK))	2577	if (!(flags & EVBACKEND_MASK))
1786	flags |= ev_recommended_backends ();	2578	flags |= ev_recommended_backends ();
1787		2579
…		…
1812	#endif	2604	#endif
1813	}	2605	}
1814	}	2606	}
1815		2607
1816	/* free up a loop structure */	2608	/* free up a loop structure */
1817	void	2609	void ecb_cold
1818	ev_loop_destroy (EV_P)	2610	ev_loop_destroy (EV_P)
1819	{	2611	{
1820	int i;	2612	int i;
1821		2613
1822	#if EV_MULTIPLICITY	2614	#if EV_MULTIPLICITY
…		…
1833	EV_INVOKE_PENDING;	2625	EV_INVOKE_PENDING;
1834	}	2626	}
1835	#endif	2627	#endif
1836		2628
1837	#if EV_CHILD_ENABLE	2629	#if EV_CHILD_ENABLE
1838	if (ev_is_active (&childev))	2630	if (ev_is_default_loop (EV_A) && ev_is_active (&childev))
1839	{	2631	{
1840	ev_ref (EV_A); /* child watcher */	2632	ev_ref (EV_A); /* child watcher */
1841	ev_signal_stop (EV_A_ &childev);	2633	ev_signal_stop (EV_A_ &childev);
1842	}	2634	}
1843	#endif	2635	#endif
…		…
1845	if (ev_is_active (&pipe_w))	2637	if (ev_is_active (&pipe_w))
1846	{	2638	{
1847	/*ev_ref (EV_A);*/	2639	/*ev_ref (EV_A);*/
1848	/*ev_io_stop (EV_A_ &pipe_w);*/	2640	/*ev_io_stop (EV_A_ &pipe_w);*/
1849		2641
1850	#if EV_USE_EVENTFD
1851	if (evfd >= 0)
1852	close (evfd);
1853	#endif
1854
1855	if (evpipe [0] >= 0)
1856	{
1857	EV_WIN32_CLOSE_FD (evpipe [0]);	2642	if (evpipe [0] >= 0) EV_WIN32_CLOSE_FD (evpipe [0]);
1858	EV_WIN32_CLOSE_FD (evpipe [1]);	2643	if (evpipe [1] >= 0) EV_WIN32_CLOSE_FD (evpipe [1]);
1859	}
1860	}	2644	}
1861		2645
1862	#if EV_USE_SIGNALFD	2646	#if EV_USE_SIGNALFD
1863	if (ev_is_active (&sigfd_w))	2647	if (ev_is_active (&sigfd_w))
1864	close (sigfd);	2648	close (sigfd);
…		…
1950	#endif	2734	#endif
1951	#if EV_USE_INOTIFY	2735	#if EV_USE_INOTIFY
1952	infy_fork (EV_A);	2736	infy_fork (EV_A);
1953	#endif	2737	#endif
1954		2738
		2739	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1955	if (ev_is_active (&pipe_w))	2740	if (ev_is_active (&pipe_w))
1956	{	2741	{
1957	/* this "locks" the handlers against writing to the pipe */	2742	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
1958	/* while we modify the fd vars */
1959	sig_pending = 1;
1960	#if EV_ASYNC_ENABLE
1961	async_pending = 1;
1962	#endif
1963		2743
1964	ev_ref (EV_A);	2744	ev_ref (EV_A);
1965	ev_io_stop (EV_A_ &pipe_w);	2745	ev_io_stop (EV_A_ &pipe_w);
1966		2746
1967	#if EV_USE_EVENTFD
1968	if (evfd >= 0)
1969	close (evfd);
1970	#endif
1971
1972	if (evpipe [0] >= 0)	2747	if (evpipe [0] >= 0)
1973	{
1974	EV_WIN32_CLOSE_FD (evpipe [0]);	2748	EV_WIN32_CLOSE_FD (evpipe [0]);
1975	EV_WIN32_CLOSE_FD (evpipe [1]);
1976	}
1977		2749
1978	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1979	evpipe_init (EV_A);	2750	evpipe_init (EV_A);
1980	/* now iterate over everything, in case we missed something */	2751	/* iterate over everything, in case we missed something before */
1981	pipecb (EV_A_ &pipe_w, EV_READ);	2752	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
1982	#endif
1983	}	2753	}
		2754	#endif
1984		2755
1985	postfork = 0;	2756	postfork = 0;
1986	}	2757	}
1987		2758
1988	#if EV_MULTIPLICITY	2759	#if EV_MULTIPLICITY
1989		2760
1990	struct ev_loop *	2761	struct ev_loop * ecb_cold
1991	ev_loop_new (unsigned int flags)	2762	ev_loop_new (unsigned int flags) EV_THROW
1992	{	2763	{
1993	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2764	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1994		2765
1995	memset (EV_A, 0, sizeof (struct ev_loop));	2766	memset (EV_A, 0, sizeof (struct ev_loop));
1996	loop_init (EV_A_ flags);	2767	loop_init (EV_A_ flags);
…		…
2003	}	2774	}
2004		2775
2005	#endif /* multiplicity */	2776	#endif /* multiplicity */
2006		2777
2007	#if EV_VERIFY	2778	#if EV_VERIFY
2008	static void noinline	2779	static void noinline ecb_cold
2009	verify_watcher (EV_P_ W w)	2780	verify_watcher (EV_P_ W w)
2010	{	2781	{
2011	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	2782	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2012		2783
2013	if (w->pending)	2784	if (w->pending)
2014	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	2785	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2015	}	2786	}
2016		2787
2017	static void noinline	2788	static void noinline ecb_cold
2018	verify_heap (EV_P_ ANHE *heap, int N)	2789	verify_heap (EV_P_ ANHE *heap, int N)
2019	{	2790	{
2020	int i;	2791	int i;
2021		2792
2022	for (i = HEAP0; i < N + HEAP0; ++i)	2793	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2027		2798
2028	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	2799	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2029	}	2800	}
2030	}	2801	}
2031		2802
2032	static void noinline	2803	static void noinline ecb_cold
2033	array_verify (EV_P_ W *ws, int cnt)	2804	array_verify (EV_P_ W *ws, int cnt)
2034	{	2805	{
2035	while (cnt--)	2806	while (cnt--)
2036	{	2807	{
2037	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	2808	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2039	}	2810	}
2040	}	2811	}
2041	#endif	2812	#endif
2042		2813
2043	#if EV_FEATURE_API	2814	#if EV_FEATURE_API
2044	void	2815	void ecb_cold
2045	ev_verify (EV_P)	2816	ev_verify (EV_P) EV_THROW
2046	{	2817	{
2047	#if EV_VERIFY	2818	#if EV_VERIFY
2048	int i;	2819	int i;
2049	WL w;	2820	WL w, w2;
2050		2821
2051	assert (activecnt >= -1);	2822	assert (activecnt >= -1);
2052		2823
2053	assert (fdchangemax >= fdchangecnt);	2824	assert (fdchangemax >= fdchangecnt);
2054	for (i = 0; i < fdchangecnt; ++i)	2825	for (i = 0; i < fdchangecnt; ++i)
2055	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2826	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2056		2827
2057	assert (anfdmax >= 0);	2828	assert (anfdmax >= 0);
2058	for (i = 0; i < anfdmax; ++i)	2829	for (i = 0; i < anfdmax; ++i)
		2830	{
		2831	int j = 0;
		2832
2059	for (w = anfds [i].head; w; w = w->next)	2833	for (w = w2 = anfds [i].head; w; w = w->next)
2060	{	2834	{
2061	verify_watcher (EV_A_ (W)w);	2835	verify_watcher (EV_A_ (W)w);
		2836
		2837	if (j++ & 1)
		2838	{
		2839	assert (("libev: io watcher list contains a loop", w != w2));
		2840	w2 = w2->next;
		2841	}
		2842
2062	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2843	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2063	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2844	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2064	}	2845	}
		2846	}
2065		2847
2066	assert (timermax >= timercnt);	2848	assert (timermax >= timercnt);
2067	verify_heap (EV_A_ timers, timercnt);	2849	verify_heap (EV_A_ timers, timercnt);
2068		2850
2069	#if EV_PERIODIC_ENABLE	2851	#if EV_PERIODIC_ENABLE
…		…
2115	#endif	2897	#endif
2116	}	2898	}
2117	#endif	2899	#endif
2118		2900
2119	#if EV_MULTIPLICITY	2901	#if EV_MULTIPLICITY
2120	struct ev_loop *	2902	struct ev_loop * ecb_cold
2121	#else	2903	#else
2122	int	2904	int
2123	#endif	2905	#endif
2124	ev_default_loop (unsigned int flags)	2906	ev_default_loop (unsigned int flags) EV_THROW
2125	{	2907	{
2126	if (!ev_default_loop_ptr)	2908	if (!ev_default_loop_ptr)
2127	{	2909	{
2128	#if EV_MULTIPLICITY	2910	#if EV_MULTIPLICITY
2129	EV_P = ev_default_loop_ptr = &default_loop_struct;	2911	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2148		2930
2149	return ev_default_loop_ptr;	2931	return ev_default_loop_ptr;
2150	}	2932	}
2151		2933
2152	void	2934	void
2153	ev_loop_fork (EV_P)	2935	ev_loop_fork (EV_P) EV_THROW
2154	{	2936	{
2155	postfork = 1; /* must be in line with ev_default_fork */	2937	postfork = 1;
2156	}	2938	}
2157		2939
2158	/*****************************************************************************/	2940	/*****************************************************************************/
2159		2941
2160	void	2942	void
…		…
2162	{	2944	{
2163	EV_CB_INVOKE ((W)w, revents);	2945	EV_CB_INVOKE ((W)w, revents);
2164	}	2946	}
2165		2947
2166	unsigned int	2948	unsigned int
2167	ev_pending_count (EV_P)	2949	ev_pending_count (EV_P) EV_THROW
2168	{	2950	{
2169	int pri;	2951	int pri;
2170	unsigned int count = 0;	2952	unsigned int count = 0;
2171		2953
2172	for (pri = NUMPRI; pri--; )	2954	for (pri = NUMPRI; pri--; )
…		…
2176	}	2958	}
2177		2959
2178	void noinline	2960	void noinline
2179	ev_invoke_pending (EV_P)	2961	ev_invoke_pending (EV_P)
2180	{	2962	{
2181	int pri;	2963	pendingpri = NUMPRI;
2182		2964
2183	for (pri = NUMPRI; pri--; )	2965	while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
		2966	{
		2967	--pendingpri;
		2968
2184	while (pendingcnt [pri])	2969	while (pendingcnt [pendingpri])
2185	{	2970	{
2186	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2971	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2187		2972
2188	p->w->pending = 0;	2973	p->w->pending = 0;
2189	EV_CB_INVOKE (p->w, p->events);	2974	EV_CB_INVOKE (p->w, p->events);
2190	EV_FREQUENT_CHECK;	2975	EV_FREQUENT_CHECK;
2191	}	2976	}
		2977	}
2192	}	2978	}
2193		2979
2194	#if EV_IDLE_ENABLE	2980	#if EV_IDLE_ENABLE
2195	/* make idle watchers pending. this handles the "call-idle */	2981	/* make idle watchers pending. this handles the "call-idle */
2196	/* only when higher priorities are idle" logic */	2982	/* only when higher priorities are idle" logic */
…		…
2286	{	3072	{
2287	EV_FREQUENT_CHECK;	3073	EV_FREQUENT_CHECK;
2288		3074
2289	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)	3075	while (periodiccnt && ANHE_at (periodics [HEAP0]) < ev_rt_now)
2290	{	3076	{
2291	int feed_count = 0;
2292
2293	do	3077	do
2294	{	3078	{
2295	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);	3079	ev_periodic *w = (ev_periodic *)ANHE_w (periodics [HEAP0]);
2296		3080
2297	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/	3081	/*assert (("libev: inactive timer on periodic heap detected", ev_is_active (w)));*/
…		…
2324	}	3108	}
2325	}	3109	}
2326		3110
2327	/* simply recalculate all periodics */	3111	/* simply recalculate all periodics */
2328	/* TODO: maybe ensure that at least one event happens when jumping forward? */	3112	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2329	static void noinline	3113	static void noinline ecb_cold
2330	periodics_reschedule (EV_P)	3114	periodics_reschedule (EV_P)
2331	{	3115	{
2332	int i;	3116	int i;
2333		3117
2334	/* adjust periodics after time jump */	3118	/* adjust periodics after time jump */
…		…
2347	reheap (periodics, periodiccnt);	3131	reheap (periodics, periodiccnt);
2348	}	3132	}
2349	#endif	3133	#endif
2350		3134
2351	/* adjust all timers by a given offset */	3135	/* adjust all timers by a given offset */
2352	static void noinline	3136	static void noinline ecb_cold
2353	timers_reschedule (EV_P_ ev_tstamp adjust)	3137	timers_reschedule (EV_P_ ev_tstamp adjust)
2354	{	3138	{
2355	int i;	3139	int i;
2356		3140
2357	for (i = 0; i < timercnt; ++i)	3141	for (i = 0; i < timercnt; ++i)
…		…
2431		3215
2432	mn_now = ev_rt_now;	3216	mn_now = ev_rt_now;
2433	}	3217	}
2434	}	3218	}
2435		3219
2436	void	3220	int
2437	ev_run (EV_P_ int flags)	3221	ev_run (EV_P_ int flags)
2438	{	3222	{
2439	#if EV_FEATURE_API	3223	#if EV_FEATURE_API
2440	++loop_depth;	3224	++loop_depth;
2441	#endif	3225	#endif
…		…
2499	ev_tstamp prev_mn_now = mn_now;	3283	ev_tstamp prev_mn_now = mn_now;
2500		3284
2501	/* update time to cancel out callback processing overhead */	3285	/* update time to cancel out callback processing overhead */
2502	time_update (EV_A_ 1e100);	3286	time_update (EV_A_ 1e100);
2503		3287
		3288	/* from now on, we want a pipe-wake-up */
		3289	pipe_write_wanted = 1;
		3290
		3291	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
		3292
2504	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt)))	3293	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2505	{	3294	{
2506	waittime = MAX_BLOCKTIME;	3295	waittime = MAX_BLOCKTIME;
2507		3296
2508	if (timercnt)	3297	if (timercnt)
2509	{	3298	{
2510	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_mintime;	3299	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
2511	if (waittime > to) waittime = to;	3300	if (waittime > to) waittime = to;
2512	}	3301	}
2513		3302
2514	#if EV_PERIODIC_ENABLE	3303	#if EV_PERIODIC_ENABLE
2515	if (periodiccnt)	3304	if (periodiccnt)
2516	{	3305	{
2517	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_mintime;	3306	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now;
2518	if (waittime > to) waittime = to;	3307	if (waittime > to) waittime = to;
2519	}	3308	}
2520	#endif	3309	#endif
2521		3310
2522	/* don't let timeouts decrease the waittime below timeout_blocktime */	3311	/* don't let timeouts decrease the waittime below timeout_blocktime */
2523	if (expect_false (waittime < timeout_blocktime))	3312	if (expect_false (waittime < timeout_blocktime))
2524	waittime = timeout_blocktime;	3313	waittime = timeout_blocktime;
		3314
		3315	/* at this point, we NEED to wait, so we have to ensure */
		3316	/* to pass a minimum nonzero value to the backend */
		3317	if (expect_false (waittime < backend_mintime))
		3318	waittime = backend_mintime;
2525		3319
2526	/* extra check because io_blocktime is commonly 0 */	3320	/* extra check because io_blocktime is commonly 0 */
2527	if (expect_false (io_blocktime))	3321	if (expect_false (io_blocktime))
2528	{	3322	{
2529	sleeptime = io_blocktime - (mn_now - prev_mn_now);	3323	sleeptime = io_blocktime - (mn_now - prev_mn_now);
…		…
2544	#endif	3338	#endif
2545	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3339	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2546	backend_poll (EV_A_ waittime);	3340	backend_poll (EV_A_ waittime);
2547	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3341	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2548		3342
		3343	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
		3344
		3345	ECB_MEMORY_FENCE_ACQUIRE;
		3346	if (pipe_write_skipped)
		3347	{
		3348	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
		3349	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
		3350	}
		3351
		3352
2549	/* update ev_rt_now, do magic */	3353	/* update ev_rt_now, do magic */
2550	time_update (EV_A_ waittime + sleeptime);	3354	time_update (EV_A_ waittime + sleeptime);
2551	}	3355	}
2552		3356
2553	/* queue pending timers and reschedule them */	3357	/* queue pending timers and reschedule them */
…		…
2579	loop_done = EVBREAK_CANCEL;	3383	loop_done = EVBREAK_CANCEL;
2580		3384
2581	#if EV_FEATURE_API	3385	#if EV_FEATURE_API
2582	--loop_depth;	3386	--loop_depth;
2583	#endif	3387	#endif
		3388
		3389	return activecnt;
2584	}	3390	}
2585		3391
2586	void	3392	void
2587	ev_break (EV_P_ int how)	3393	ev_break (EV_P_ int how) EV_THROW
2588	{	3394	{
2589	loop_done = how;	3395	loop_done = how;
2590	}	3396	}
2591		3397
2592	void	3398	void
2593	ev_ref (EV_P)	3399	ev_ref (EV_P) EV_THROW
2594	{	3400	{
2595	++activecnt;	3401	++activecnt;
2596	}	3402	}
2597		3403
2598	void	3404	void
2599	ev_unref (EV_P)	3405	ev_unref (EV_P) EV_THROW
2600	{	3406	{
2601	--activecnt;	3407	--activecnt;
2602	}	3408	}
2603		3409
2604	void	3410	void
2605	ev_now_update (EV_P)	3411	ev_now_update (EV_P) EV_THROW
2606	{	3412	{
2607	time_update (EV_A_ 1e100);	3413	time_update (EV_A_ 1e100);
2608	}	3414	}
2609		3415
2610	void	3416	void
2611	ev_suspend (EV_P)	3417	ev_suspend (EV_P) EV_THROW
2612	{	3418	{
2613	ev_now_update (EV_A);	3419	ev_now_update (EV_A);
2614	}	3420	}
2615		3421
2616	void	3422	void
2617	ev_resume (EV_P)	3423	ev_resume (EV_P) EV_THROW
2618	{	3424	{
2619	ev_tstamp mn_prev = mn_now;	3425	ev_tstamp mn_prev = mn_now;
2620		3426
2621	ev_now_update (EV_A);	3427	ev_now_update (EV_A);
2622	timers_reschedule (EV_A_ mn_now - mn_prev);	3428	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
2661	w->pending = 0;	3467	w->pending = 0;
2662	}	3468	}
2663	}	3469	}
2664		3470
2665	int	3471	int
2666	ev_clear_pending (EV_P_ void *w)	3472	ev_clear_pending (EV_P_ void *w) EV_THROW
2667	{	3473	{
2668	W w_ = (W)w;	3474	W w_ = (W)w;
2669	int pending = w_->pending;	3475	int pending = w_->pending;
2670		3476
2671	if (expect_true (pending))	3477	if (expect_true (pending))
…		…
2704	}	3510	}
2705		3511
2706	/*****************************************************************************/	3512	/*****************************************************************************/
2707		3513
2708	void noinline	3514	void noinline
2709	ev_io_start (EV_P_ ev_io *w)	3515	ev_io_start (EV_P_ ev_io *w) EV_THROW
2710	{	3516	{
2711	int fd = w->fd;	3517	int fd = w->fd;
2712		3518
2713	if (expect_false (ev_is_active (w)))	3519	if (expect_false (ev_is_active (w)))
2714	return;	3520	return;
…		…
2720		3526
2721	ev_start (EV_A_ (W)w, 1);	3527	ev_start (EV_A_ (W)w, 1);
2722	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3528	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2723	wlist_add (&anfds[fd].head, (WL)w);	3529	wlist_add (&anfds[fd].head, (WL)w);
2724		3530
		3531	/* common bug, apparently */
		3532	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3533
2725	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3534	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2726	w->events &= ~EV__IOFDSET;	3535	w->events &= ~EV__IOFDSET;
2727		3536
2728	EV_FREQUENT_CHECK;	3537	EV_FREQUENT_CHECK;
2729	}	3538	}
2730		3539
2731	void noinline	3540	void noinline
2732	ev_io_stop (EV_P_ ev_io *w)	3541	ev_io_stop (EV_P_ ev_io *w) EV_THROW
2733	{	3542	{
2734	clear_pending (EV_A_ (W)w);	3543	clear_pending (EV_A_ (W)w);
2735	if (expect_false (!ev_is_active (w)))	3544	if (expect_false (!ev_is_active (w)))
2736	return;	3545	return;
2737		3546
…		…
2746		3555
2747	EV_FREQUENT_CHECK;	3556	EV_FREQUENT_CHECK;
2748	}	3557	}
2749		3558
2750	void noinline	3559	void noinline
2751	ev_timer_start (EV_P_ ev_timer *w)	3560	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2752	{	3561	{
2753	if (expect_false (ev_is_active (w)))	3562	if (expect_false (ev_is_active (w)))
2754	return;	3563	return;
2755		3564
2756	ev_at (w) += mn_now;	3565	ev_at (w) += mn_now;
…		…
2770		3579
2771	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3580	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2772	}	3581	}
2773		3582
2774	void noinline	3583	void noinline
2775	ev_timer_stop (EV_P_ ev_timer *w)	3584	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2776	{	3585	{
2777	clear_pending (EV_A_ (W)w);	3586	clear_pending (EV_A_ (W)w);
2778	if (expect_false (!ev_is_active (w)))	3587	if (expect_false (!ev_is_active (w)))
2779	return;	3588	return;
2780		3589
…		…
2800		3609
2801	EV_FREQUENT_CHECK;	3610	EV_FREQUENT_CHECK;
2802	}	3611	}
2803		3612
2804	void noinline	3613	void noinline
2805	ev_timer_again (EV_P_ ev_timer *w)	3614	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2806	{	3615	{
2807	EV_FREQUENT_CHECK;	3616	EV_FREQUENT_CHECK;
		3617
		3618	clear_pending (EV_A_ (W)w);
2808		3619
2809	if (ev_is_active (w))	3620	if (ev_is_active (w))
2810	{	3621	{
2811	if (w->repeat)	3622	if (w->repeat)
2812	{	3623	{
…		…
2825		3636
2826	EV_FREQUENT_CHECK;	3637	EV_FREQUENT_CHECK;
2827	}	3638	}
2828		3639
2829	ev_tstamp	3640	ev_tstamp
2830	ev_timer_remaining (EV_P_ ev_timer *w)	3641	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2831	{	3642	{
2832	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3643	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2833	}	3644	}
2834		3645
2835	#if EV_PERIODIC_ENABLE	3646	#if EV_PERIODIC_ENABLE
2836	void noinline	3647	void noinline
2837	ev_periodic_start (EV_P_ ev_periodic *w)	3648	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2838	{	3649	{
2839	if (expect_false (ev_is_active (w)))	3650	if (expect_false (ev_is_active (w)))
2840	return;	3651	return;
2841		3652
2842	if (w->reschedule_cb)	3653	if (w->reschedule_cb)
…		…
2862		3673
2863	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3674	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2864	}	3675	}
2865		3676
2866	void noinline	3677	void noinline
2867	ev_periodic_stop (EV_P_ ev_periodic *w)	3678	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
2868	{	3679	{
2869	clear_pending (EV_A_ (W)w);	3680	clear_pending (EV_A_ (W)w);
2870	if (expect_false (!ev_is_active (w)))	3681	if (expect_false (!ev_is_active (w)))
2871	return;	3682	return;
2872		3683
…		…
2890		3701
2891	EV_FREQUENT_CHECK;	3702	EV_FREQUENT_CHECK;
2892	}	3703	}
2893		3704
2894	void noinline	3705	void noinline
2895	ev_periodic_again (EV_P_ ev_periodic *w)	3706	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
2896	{	3707	{
2897	/* TODO: use adjustheap and recalculation */	3708	/* TODO: use adjustheap and recalculation */
2898	ev_periodic_stop (EV_A_ w);	3709	ev_periodic_stop (EV_A_ w);
2899	ev_periodic_start (EV_A_ w);	3710	ev_periodic_start (EV_A_ w);
2900	}	3711	}
…		…
2905	#endif	3716	#endif
2906		3717
2907	#if EV_SIGNAL_ENABLE	3718	#if EV_SIGNAL_ENABLE
2908		3719
2909	void noinline	3720	void noinline
2910	ev_signal_start (EV_P_ ev_signal *w)	3721	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
2911	{	3722	{
2912	if (expect_false (ev_is_active (w)))	3723	if (expect_false (ev_is_active (w)))
2913	return;	3724	return;
2914		3725
2915	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3726	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
2917	#if EV_MULTIPLICITY	3728	#if EV_MULTIPLICITY
2918	assert (("libev: a signal must not be attached to two different loops",	3729	assert (("libev: a signal must not be attached to two different loops",
2919	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));	3730	!signals [w->signum - 1].loop || signals [w->signum - 1].loop == loop));
2920		3731
2921	signals [w->signum - 1].loop = EV_A;	3732	signals [w->signum - 1].loop = EV_A;
		3733	ECB_MEMORY_FENCE_RELEASE;
2922	#endif	3734	#endif
2923		3735
2924	EV_FREQUENT_CHECK;	3736	EV_FREQUENT_CHECK;
2925		3737
2926	#if EV_USE_SIGNALFD	3738	#if EV_USE_SIGNALFD
…		…
2986		3798
2987	EV_FREQUENT_CHECK;	3799	EV_FREQUENT_CHECK;
2988	}	3800	}
2989		3801
2990	void noinline	3802	void noinline
2991	ev_signal_stop (EV_P_ ev_signal *w)	3803	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
2992	{	3804	{
2993	clear_pending (EV_A_ (W)w);	3805	clear_pending (EV_A_ (W)w);
2994	if (expect_false (!ev_is_active (w)))	3806	if (expect_false (!ev_is_active (w)))
2995	return;	3807	return;
2996		3808
…		…
3027	#endif	3839	#endif
3028		3840
3029	#if EV_CHILD_ENABLE	3841	#if EV_CHILD_ENABLE
3030		3842
3031	void	3843	void
3032	ev_child_start (EV_P_ ev_child *w)	3844	ev_child_start (EV_P_ ev_child *w) EV_THROW
3033	{	3845	{
3034	#if EV_MULTIPLICITY	3846	#if EV_MULTIPLICITY
3035	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3847	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3036	#endif	3848	#endif
3037	if (expect_false (ev_is_active (w)))	3849	if (expect_false (ev_is_active (w)))
…		…
3044		3856
3045	EV_FREQUENT_CHECK;	3857	EV_FREQUENT_CHECK;
3046	}	3858	}
3047		3859
3048	void	3860	void
3049	ev_child_stop (EV_P_ ev_child *w)	3861	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3050	{	3862	{
3051	clear_pending (EV_A_ (W)w);	3863	clear_pending (EV_A_ (W)w);
3052	if (expect_false (!ev_is_active (w)))	3864	if (expect_false (!ev_is_active (w)))
3053	return;	3865	return;
3054		3866
…		…
3206	infy_wd (EV_A_ ev->wd, ev->wd, ev);	4018	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3207	ofs += sizeof (struct inotify_event) + ev->len;	4019	ofs += sizeof (struct inotify_event) + ev->len;
3208	}	4020	}
3209	}	4021	}
3210		4022
3211	inline_size void	4023	inline_size void ecb_cold
3212	ev_check_2625 (EV_P)	4024	ev_check_2625 (EV_P)
3213	{	4025	{
3214	/* kernels < 2.6.25 are borked	4026	/* kernels < 2.6.25 are borked
3215	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	4027	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3216	*/	4028	*/
…		…
3221	}	4033	}
3222		4034
3223	inline_size int	4035	inline_size int
3224	infy_newfd (void)	4036	infy_newfd (void)
3225	{	4037	{
3226	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	4038	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3227	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	4039	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3228	if (fd >= 0)	4040	if (fd >= 0)
3229	return fd;	4041	return fd;
3230	#endif	4042	#endif
3231	return inotify_init ();	4043	return inotify_init ();
…		…
3306	#else	4118	#else
3307	# define EV_LSTAT(p,b) lstat (p, b)	4119	# define EV_LSTAT(p,b) lstat (p, b)
3308	#endif	4120	#endif
3309		4121
3310	void	4122	void
3311	ev_stat_stat (EV_P_ ev_stat *w)	4123	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3312	{	4124	{
3313	if (lstat (w->path, &w->attr) < 0)	4125	if (lstat (w->path, &w->attr) < 0)
3314	w->attr.st_nlink = 0;	4126	w->attr.st_nlink = 0;
3315	else if (!w->attr.st_nlink)	4127	else if (!w->attr.st_nlink)
3316	w->attr.st_nlink = 1;	4128	w->attr.st_nlink = 1;
…		…
3355	ev_feed_event (EV_A_ w, EV_STAT);	4167	ev_feed_event (EV_A_ w, EV_STAT);
3356	}	4168	}
3357	}	4169	}
3358		4170
3359	void	4171	void
3360	ev_stat_start (EV_P_ ev_stat *w)	4172	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3361	{	4173	{
3362	if (expect_false (ev_is_active (w)))	4174	if (expect_false (ev_is_active (w)))
3363	return;	4175	return;
3364		4176
3365	ev_stat_stat (EV_A_ w);	4177	ev_stat_stat (EV_A_ w);
…		…
3386		4198
3387	EV_FREQUENT_CHECK;	4199	EV_FREQUENT_CHECK;
3388	}	4200	}
3389		4201
3390	void	4202	void
3391	ev_stat_stop (EV_P_ ev_stat *w)	4203	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3392	{	4204	{
3393	clear_pending (EV_A_ (W)w);	4205	clear_pending (EV_A_ (W)w);
3394	if (expect_false (!ev_is_active (w)))	4206	if (expect_false (!ev_is_active (w)))
3395	return;	4207	return;
3396		4208
…		…
3412	}	4224	}
3413	#endif	4225	#endif
3414		4226
3415	#if EV_IDLE_ENABLE	4227	#if EV_IDLE_ENABLE
3416	void	4228	void
3417	ev_idle_start (EV_P_ ev_idle *w)	4229	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3418	{	4230	{
3419	if (expect_false (ev_is_active (w)))	4231	if (expect_false (ev_is_active (w)))
3420	return;	4232	return;
3421		4233
3422	pri_adjust (EV_A_ (W)w);	4234	pri_adjust (EV_A_ (W)w);
…		…
3435		4247
3436	EV_FREQUENT_CHECK;	4248	EV_FREQUENT_CHECK;
3437	}	4249	}
3438		4250
3439	void	4251	void
3440	ev_idle_stop (EV_P_ ev_idle *w)	4252	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3441	{	4253	{
3442	clear_pending (EV_A_ (W)w);	4254	clear_pending (EV_A_ (W)w);
3443	if (expect_false (!ev_is_active (w)))	4255	if (expect_false (!ev_is_active (w)))
3444	return;	4256	return;
3445		4257
…		…
3459	}	4271	}
3460	#endif	4272	#endif
3461		4273
3462	#if EV_PREPARE_ENABLE	4274	#if EV_PREPARE_ENABLE
3463	void	4275	void
3464	ev_prepare_start (EV_P_ ev_prepare *w)	4276	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3465	{	4277	{
3466	if (expect_false (ev_is_active (w)))	4278	if (expect_false (ev_is_active (w)))
3467	return;	4279	return;
3468		4280
3469	EV_FREQUENT_CHECK;	4281	EV_FREQUENT_CHECK;
…		…
3474		4286
3475	EV_FREQUENT_CHECK;	4287	EV_FREQUENT_CHECK;
3476	}	4288	}
3477		4289
3478	void	4290	void
3479	ev_prepare_stop (EV_P_ ev_prepare *w)	4291	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3480	{	4292	{
3481	clear_pending (EV_A_ (W)w);	4293	clear_pending (EV_A_ (W)w);
3482	if (expect_false (!ev_is_active (w)))	4294	if (expect_false (!ev_is_active (w)))
3483	return;	4295	return;
3484		4296
…		…
3497	}	4309	}
3498	#endif	4310	#endif
3499		4311
3500	#if EV_CHECK_ENABLE	4312	#if EV_CHECK_ENABLE
3501	void	4313	void
3502	ev_check_start (EV_P_ ev_check *w)	4314	ev_check_start (EV_P_ ev_check *w) EV_THROW
3503	{	4315	{
3504	if (expect_false (ev_is_active (w)))	4316	if (expect_false (ev_is_active (w)))
3505	return;	4317	return;
3506		4318
3507	EV_FREQUENT_CHECK;	4319	EV_FREQUENT_CHECK;
…		…
3512		4324
3513	EV_FREQUENT_CHECK;	4325	EV_FREQUENT_CHECK;
3514	}	4326	}
3515		4327
3516	void	4328	void
3517	ev_check_stop (EV_P_ ev_check *w)	4329	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3518	{	4330	{
3519	clear_pending (EV_A_ (W)w);	4331	clear_pending (EV_A_ (W)w);
3520	if (expect_false (!ev_is_active (w)))	4332	if (expect_false (!ev_is_active (w)))
3521	return;	4333	return;
3522		4334
…		…
3535	}	4347	}
3536	#endif	4348	#endif
3537		4349
3538	#if EV_EMBED_ENABLE	4350	#if EV_EMBED_ENABLE
3539	void noinline	4351	void noinline
3540	ev_embed_sweep (EV_P_ ev_embed *w)	4352	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3541	{	4353	{
3542	ev_run (w->other, EVRUN_NOWAIT);	4354	ev_run (w->other, EVRUN_NOWAIT);
3543	}	4355	}
3544		4356
3545	static void	4357	static void
…		…
3593	ev_idle_stop (EV_A_ idle);	4405	ev_idle_stop (EV_A_ idle);
3594	}	4406	}
3595	#endif	4407	#endif
3596		4408
3597	void	4409	void
3598	ev_embed_start (EV_P_ ev_embed *w)	4410	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3599	{	4411	{
3600	if (expect_false (ev_is_active (w)))	4412	if (expect_false (ev_is_active (w)))
3601	return;	4413	return;
3602		4414
3603	{	4415	{
…		…
3624		4436
3625	EV_FREQUENT_CHECK;	4437	EV_FREQUENT_CHECK;
3626	}	4438	}
3627		4439
3628	void	4440	void
3629	ev_embed_stop (EV_P_ ev_embed *w)	4441	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3630	{	4442	{
3631	clear_pending (EV_A_ (W)w);	4443	clear_pending (EV_A_ (W)w);
3632	if (expect_false (!ev_is_active (w)))	4444	if (expect_false (!ev_is_active (w)))
3633	return;	4445	return;
3634		4446
…		…
3644	}	4456	}
3645	#endif	4457	#endif
3646		4458
3647	#if EV_FORK_ENABLE	4459	#if EV_FORK_ENABLE
3648	void	4460	void
3649	ev_fork_start (EV_P_ ev_fork *w)	4461	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3650	{	4462	{
3651	if (expect_false (ev_is_active (w)))	4463	if (expect_false (ev_is_active (w)))
3652	return;	4464	return;
3653		4465
3654	EV_FREQUENT_CHECK;	4466	EV_FREQUENT_CHECK;
…		…
3659		4471
3660	EV_FREQUENT_CHECK;	4472	EV_FREQUENT_CHECK;
3661	}	4473	}
3662		4474
3663	void	4475	void
3664	ev_fork_stop (EV_P_ ev_fork *w)	4476	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3665	{	4477	{
3666	clear_pending (EV_A_ (W)w);	4478	clear_pending (EV_A_ (W)w);
3667	if (expect_false (!ev_is_active (w)))	4479	if (expect_false (!ev_is_active (w)))
3668	return;	4480	return;
3669		4481
…		…
3682	}	4494	}
3683	#endif	4495	#endif
3684		4496
3685	#if EV_CLEANUP_ENABLE	4497	#if EV_CLEANUP_ENABLE
3686	void	4498	void
3687	ev_cleanup_start (EV_P_ ev_cleanup *w)	4499	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3688	{	4500	{
3689	if (expect_false (ev_is_active (w)))	4501	if (expect_false (ev_is_active (w)))
3690	return;	4502	return;
3691		4503
3692	EV_FREQUENT_CHECK;	4504	EV_FREQUENT_CHECK;
…		…
3699	ev_unref (EV_A);	4511	ev_unref (EV_A);
3700	EV_FREQUENT_CHECK;	4512	EV_FREQUENT_CHECK;
3701	}	4513	}
3702		4514
3703	void	4515	void
3704	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4516	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3705	{	4517	{
3706	clear_pending (EV_A_ (W)w);	4518	clear_pending (EV_A_ (W)w);
3707	if (expect_false (!ev_is_active (w)))	4519	if (expect_false (!ev_is_active (w)))
3708	return;	4520	return;
3709		4521
…		…
3723	}	4535	}
3724	#endif	4536	#endif
3725		4537
3726	#if EV_ASYNC_ENABLE	4538	#if EV_ASYNC_ENABLE
3727	void	4539	void
3728	ev_async_start (EV_P_ ev_async *w)	4540	ev_async_start (EV_P_ ev_async *w) EV_THROW
3729	{	4541	{
3730	if (expect_false (ev_is_active (w)))	4542	if (expect_false (ev_is_active (w)))
3731	return;	4543	return;
3732		4544
3733	w->sent = 0;	4545	w->sent = 0;
…		…
3742		4554
3743	EV_FREQUENT_CHECK;	4555	EV_FREQUENT_CHECK;
3744	}	4556	}
3745		4557
3746	void	4558	void
3747	ev_async_stop (EV_P_ ev_async *w)	4559	ev_async_stop (EV_P_ ev_async *w) EV_THROW
3748	{	4560	{
3749	clear_pending (EV_A_ (W)w);	4561	clear_pending (EV_A_ (W)w);
3750	if (expect_false (!ev_is_active (w)))	4562	if (expect_false (!ev_is_active (w)))
3751	return;	4563	return;
3752		4564
…		…
3763		4575
3764	EV_FREQUENT_CHECK;	4576	EV_FREQUENT_CHECK;
3765	}	4577	}
3766		4578
3767	void	4579	void
3768	ev_async_send (EV_P_ ev_async *w)	4580	ev_async_send (EV_P_ ev_async *w) EV_THROW
3769	{	4581	{
3770	w->sent = 1;	4582	w->sent = 1;
3771	evpipe_write (EV_A_ &async_pending);	4583	evpipe_write (EV_A_ &async_pending);
3772	}	4584	}
3773	#endif	4585	#endif
…		…
3810		4622
3811	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4623	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3812	}	4624	}
3813		4625
3814	void	4626	void
3815	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4627	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3816	{	4628	{
3817	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4629	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3818		4630
3819	if (expect_false (!once))	4631	if (expect_false (!once))
3820	{	4632	{
…		…
3841	}	4653	}
3842		4654
3843	/*****************************************************************************/	4655	/*****************************************************************************/
3844		4656
3845	#if EV_WALK_ENABLE	4657	#if EV_WALK_ENABLE
3846	void	4658	void ecb_cold
3847	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4659	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3848	{	4660	{
3849	int i, j;	4661	int i, j;
3850	ev_watcher_list *wl, *wn;	4662	ev_watcher_list *wl, *wn;
3851		4663
3852	if (types & (EV_IO | EV_EMBED))	4664	if (types & (EV_IO | EV_EMBED))
…		…
3895	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));	4707	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3896	#endif	4708	#endif
3897		4709
3898	#if EV_IDLE_ENABLE	4710	#if EV_IDLE_ENABLE
3899	if (types & EV_IDLE)	4711	if (types & EV_IDLE)
3900	for (j = NUMPRI; i--; )	4712	for (j = NUMPRI; j--; )
3901	for (i = idlecnt [j]; i--; )	4713	for (i = idlecnt [j]; i--; )
3902	cb (EV_A_ EV_IDLE, idles [j][i]);	4714	cb (EV_A_ EV_IDLE, idles [j][i]);
3903	#endif	4715	#endif
3904		4716
3905	#if EV_FORK_ENABLE	4717	#if EV_FORK_ENABLE
…		…
3958		4770
3959	#if EV_MULTIPLICITY	4771	#if EV_MULTIPLICITY
3960	#include "ev_wrap.h"	4772	#include "ev_wrap.h"
3961	#endif	4773	#endif
3962		4774
3963	EV_CPP(})
3964

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