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Comparing libev/ev.c (file contents):
Revision 1.380 by root, Mon Jun 27 19:20:01 2011 UTC vs.
Revision 1.426 by root, Sun May 6 13:42:10 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>
…		…
210	#define _DARWIN_UNLIMITED_SELECT 1	219	#define _DARWIN_UNLIMITED_SELECT 1
211		220
212	/* this block tries to deduce configuration from header-defined symbols and defaults */	221	/* this block tries to deduce configuration from header-defined symbols and defaults */
213		222
214	/* try to deduce the maximum number of signals on this platform */	223	/* try to deduce the maximum number of signals on this platform */
215	#if defined (EV_NSIG)	224	#if defined EV_NSIG
216	/* use what's provided */	225	/* use what's provided */
217	#elif defined (NSIG)	226	#elif defined NSIG
218	# define EV_NSIG (NSIG)	227	# define EV_NSIG (NSIG)
219	#elif defined(_NSIG)	228	#elif defined _NSIG
220	# define EV_NSIG (_NSIG)	229	# define EV_NSIG (_NSIG)
221	#elif defined (SIGMAX)	230	#elif defined SIGMAX
222	# define EV_NSIG (SIGMAX+1)	231	# define EV_NSIG (SIGMAX+1)
223	#elif defined (SIG_MAX)	232	#elif defined SIG_MAX
224	# define EV_NSIG (SIG_MAX+1)	233	# define EV_NSIG (SIG_MAX+1)
225	#elif defined (_SIG_MAX)	234	#elif defined _SIG_MAX
226	# define EV_NSIG (_SIG_MAX+1)	235	# define EV_NSIG (_SIG_MAX+1)
227	#elif defined (MAXSIG)	236	#elif defined MAXSIG
228	# define EV_NSIG (MAXSIG+1)	237	# define EV_NSIG (MAXSIG+1)
229	#elif defined (MAX_SIG)	238	#elif defined MAX_SIG
230	# define EV_NSIG (MAX_SIG+1)	239	# define EV_NSIG (MAX_SIG+1)
231	#elif defined (SIGARRAYSIZE)	240	#elif defined SIGARRAYSIZE
232	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */	241	# define EV_NSIG (SIGARRAYSIZE) /* Assume ary[SIGARRAYSIZE] */
233	#elif defined (_sys_nsig)	242	#elif defined _sys_nsig
234	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */	243	# define EV_NSIG (_sys_nsig) /* Solaris 2.5 */
235	#else	244	#else
236	# error "unable to find value for NSIG, please report"	245	# error "unable to find value for NSIG, please report"
237	/* to make it compile regardless, just remove the above line, */	246	/* to make it compile regardless, just remove the above line, */
238	/* but consider reporting it, too! :) */	247	/* but consider reporting it, too! :) */
…		…
250	# define EV_USE_CLOCK_SYSCALL 0	259	# define EV_USE_CLOCK_SYSCALL 0
251	# endif	260	# endif
252	#endif	261	#endif
253		262
254	#ifndef EV_USE_MONOTONIC	263	#ifndef EV_USE_MONOTONIC
255	# if defined (_POSIX_MONOTONIC_CLOCK) && _POSIX_MONOTONIC_CLOCK >= 0	264	# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
256	# define EV_USE_MONOTONIC EV_FEATURE_OS	265	# define EV_USE_MONOTONIC EV_FEATURE_OS
257	# else	266	# else
258	# define EV_USE_MONOTONIC 0	267	# define EV_USE_MONOTONIC 0
259	# endif	268	# endif
260	#endif	269	#endif
…		…
350	#endif	359	#endif
351		360
352	/* on linux, we can use a (slow) syscall to avoid a dependency on pthread, */	361	/* 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. */	362	/* which makes programs even slower. might work on other unices, too. */
354	#if EV_USE_CLOCK_SYSCALL	363	#if EV_USE_CLOCK_SYSCALL
355	# include <syscall.h>	364	# include <sys/syscall.h>
356	# ifdef SYS_clock_gettime	365	# ifdef SYS_clock_gettime
357	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))	366	# define clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
358	# undef EV_USE_MONOTONIC	367	# undef EV_USE_MONOTONIC
359	# define EV_USE_MONOTONIC 1	368	# define EV_USE_MONOTONIC 1
360	# else	369	# else
…		…
386	# define EV_USE_INOTIFY 0	395	# define EV_USE_INOTIFY 0
387	#endif	396	#endif
388		397
389	#if !EV_USE_NANOSLEEP	398	#if !EV_USE_NANOSLEEP
390	/* hp-ux has it in sys/time.h, which we unconditionally include above */	399	/* hp-ux has it in sys/time.h, which we unconditionally include above */
391	# if !defined(_WIN32) && !defined(__hpux)	400	# if !defined _WIN32 && !defined __hpux
392	# include <sys/select.h>	401	# include <sys/select.h>
393	# endif	402	# endif
394	#endif	403	#endif
395		404
396	#if EV_USE_INOTIFY	405	#if EV_USE_INOTIFY
…		…
464	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	473	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
465		474
466	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	475	#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)	476	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
468		477
469	/* the following are taken from libecb */	478	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
470	/* ecb.h start */	479	/* ECB.H BEGIN */
		480	/*
		481	* libecb - http://software.schmorp.de/pkg/libecb
		482	*
		483	* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
		484	* Copyright (©) 2011 Emanuele Giaquinta
		485	* All rights reserved.
		486	*
		487	* Redistribution and use in source and binary forms, with or without modifica-
		488	* tion, are permitted provided that the following conditions are met:
		489	*
		490	* 1. Redistributions of source code must retain the above copyright notice,
		491	* this list of conditions and the following disclaimer.
		492	*
		493	* 2. Redistributions in binary form must reproduce the above copyright
		494	* notice, this list of conditions and the following disclaimer in the
		495	* documentation and/or other materials provided with the distribution.
		496	*
		497	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
		498	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
		499	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
		500	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
		501	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		502	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		503	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		504	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
		505	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
		506	* OF THE POSSIBILITY OF SUCH DAMAGE.
		507	*/
		508
		509	#ifndef ECB_H
		510	#define ECB_H
		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;
		519	#if __GNUC__
		520	typedef signed long long int64_t;
		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	#else
		527	#include <inttypes.h>
		528	#endif
471		529
472	/* many compilers define _GNUC_ to some versions but then only implement	530	/* many compilers define _GNUC_ to some versions but then only implement
473	* what their idiot authors think are the "more important" extensions,	531	* what their idiot authors think are the "more important" extensions,
474	* causing enourmous grief in return for some better fake benchmark numbers.	532	* causing enormous grief in return for some better fake benchmark numbers.
475	* or so.	533	* or so.
476	* we try to detect these and simply assume they are not gcc - if they have	534	* we try to detect these and simply assume they are not gcc - if they have
477	* an issue with that they should have done it right in the first place.	535	* an issue with that they should have done it right in the first place.
478	*/	536	*/
479	#ifndef ECB_GCC_VERSION	537	#ifndef ECB_GCC_VERSION
480	#if !defined(__GNUC_MINOR__) || defined(__INTEL_COMPILER) || defined(__SUNPRO_C) || defined(__SUNPRO_CC) || defined(__llvm__) || defined(__clang__)	538	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
481	#define ECB_GCC_VERSION(major,minor) 0	539	#define ECB_GCC_VERSION(major,minor) 0
482	#else	540	#else
483	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))	541	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
484	#endif	542	#endif
485	#endif	543	#endif
		544
		545	/*****************************************************************************/
		546
		547	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
		548	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
		549
		550	#if ECB_NO_THREADS
		551	# define ECB_NO_SMP 1
		552	#endif
		553
		554	#if ECB_NO_THREADS || ECB_NO_SMP
		555	#define ECB_MEMORY_FENCE do { } while (0)
		556	#endif
		557
		558	#ifndef ECB_MEMORY_FENCE
		559	#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		560	#if __i386 || __i386__
		561	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		562	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
		563	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
		564	#elif __amd64 || __amd64__ || __x86_64 || __x86_64__
		565	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		566	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
		567	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
		568	#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
		569	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		570	#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
		571	|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
		572	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		573	#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
		574	|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
		575	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		576	#elif __sparc || __sparc__
		577	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad | " : : : "memory")
		578	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
		579	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
		580	#elif defined __s390__ || defined __s390x__
		581	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
		582	#elif defined __mips__
		583	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		584	#elif defined __alpha__
		585	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mb" : : : "memory")
		586	#endif
		587	#endif
		588	#endif
		589
		590	#ifndef ECB_MEMORY_FENCE
		591	#if ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
		592	#define ECB_MEMORY_FENCE __sync_synchronize ()
		593	/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
		594	/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
		595	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		596	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		597	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		598	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		599	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		600	#elif defined _WIN32
		601	#include <WinNT.h>
		602	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		603	#elif __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
		604	#include <mbarrier.h>
		605	#define ECB_MEMORY_FENCE __machine_rw_barrier ()
		606	#define ECB_MEMORY_FENCE_ACQUIRE __machine_r_barrier ()
		607	#define ECB_MEMORY_FENCE_RELEASE __machine_w_barrier ()
		608	#elif __xlC__
		609	#define ECB_MEMORY_FENCE __sync ()
		610	#endif
		611	#endif
		612
		613	#ifndef ECB_MEMORY_FENCE
		614	#if !ECB_AVOID_PTHREADS
		615	/*
		616	* if you get undefined symbol references to pthread_mutex_lock,
		617	* or failure to find pthread.h, then you should implement
		618	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		619	* OR provide pthread.h and link against the posix thread library
		620	* of your system.
		621	*/
		622	#include <pthread.h>
		623	#define ECB_NEEDS_PTHREADS 1
		624	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
		625
		626	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		627	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		628	#endif
		629	#endif
		630
		631	#if !defined ECB_MEMORY_FENCE_ACQUIRE && defined ECB_MEMORY_FENCE
		632	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		633	#endif
		634
		635	#if !defined ECB_MEMORY_FENCE_RELEASE && defined ECB_MEMORY_FENCE
		636	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		637	#endif
		638
		639	/*****************************************************************************/
		640
		641	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
486		642
487	#if __cplusplus	643	#if __cplusplus
488	#define ecb_inline static inline	644	#define ecb_inline static inline
489	#elif ECB_GCC_VERSION(2,5)	645	#elif ECB_GCC_VERSION(2,5)
490	#define ecb_inline static __inline__	646	#define ecb_inline static __inline__
491	#elif ECB_C99	647	#elif ECB_C99
492	#define ecb_inline static inline	648	#define ecb_inline static inline
493	#else	649	#else
494	#define ecb_inline static	650	#define ecb_inline static
495	#endif	651	#endif
		652
		653	#if ECB_GCC_VERSION(3,3)
		654	#define ecb_restrict __restrict__
		655	#elif ECB_C99
		656	#define ecb_restrict restrict
		657	#else
		658	#define ecb_restrict
		659	#endif
		660
		661	typedef int ecb_bool;
		662
		663	#define ECB_CONCAT_(a, b) a ## b
		664	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
		665	#define ECB_STRINGIFY_(a) # a
		666	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		667
		668	#define ecb_function_ ecb_inline
496		669
497	#if ECB_GCC_VERSION(3,1)	670	#if ECB_GCC_VERSION(3,1)
498	#define ecb_attribute(attrlist) __attribute__(attrlist)	671	#define ecb_attribute(attrlist) __attribute__(attrlist)
499	#define ecb_is_constant(expr) __builtin_constant_p (expr)	672	#define ecb_is_constant(expr) __builtin_constant_p (expr)
500	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))	673	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
…		…
504	#define ecb_is_constant(expr) 0	677	#define ecb_is_constant(expr) 0
505	#define ecb_expect(expr,value) (expr)	678	#define ecb_expect(expr,value) (expr)
506	#define ecb_prefetch(addr,rw,locality)	679	#define ecb_prefetch(addr,rw,locality)
507	#endif	680	#endif
508		681
		682	/* no emulation for ecb_decltype */
		683	#if ECB_GCC_VERSION(4,5)
		684	#define ecb_decltype(x) __decltype(x)
		685	#elif ECB_GCC_VERSION(3,0)
		686	#define ecb_decltype(x) __typeof(x)
		687	#endif
		688
509	#define ecb_noinline ecb_attribute ((__noinline__))	689	#define ecb_noinline ecb_attribute ((__noinline__))
510	#define ecb_noreturn ecb_attribute ((__noreturn__))	690	#define ecb_noreturn ecb_attribute ((__noreturn__))
511	#define ecb_unused ecb_attribute ((__unused__))	691	#define ecb_unused ecb_attribute ((__unused__))
512	#define ecb_const ecb_attribute ((__const__))	692	#define ecb_const ecb_attribute ((__const__))
513	#define ecb_pure ecb_attribute ((__pure__))	693	#define ecb_pure ecb_attribute ((__pure__))
…		…
525	/* put around conditional expressions if you are very sure that the */	705	/* put around conditional expressions if you are very sure that the */
526	/* expression is mostly true or mostly false. note that these return */	706	/* expression is mostly true or mostly false. note that these return */
527	/* booleans, not the expression. */	707	/* booleans, not the expression. */
528	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)	708	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
529	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)	709	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
530	/* ecb.h end */	710	/* for compatibility to the rest of the world */
		711	#define ecb_likely(expr) ecb_expect_true (expr)
		712	#define ecb_unlikely(expr) ecb_expect_false (expr)
		713
		714	/* count trailing zero bits and count # of one bits */
		715	#if ECB_GCC_VERSION(3,4)
		716	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
		717	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
		718	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
		719	#define ecb_ctz32(x) __builtin_ctz (x)
		720	#define ecb_ctz64(x) __builtin_ctzll (x)
		721	#define ecb_popcount32(x) __builtin_popcount (x)
		722	/* no popcountll */
		723	#else
		724	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
		725	ecb_function_ int
		726	ecb_ctz32 (uint32_t x)
		727	{
		728	int r = 0;
		729
		730	x &= ~x + 1; /* this isolates the lowest bit */
		731
		732	#if ECB_branchless_on_i386
		733	r += !!(x & 0xaaaaaaaa) << 0;
		734	r += !!(x & 0xcccccccc) << 1;
		735	r += !!(x & 0xf0f0f0f0) << 2;
		736	r += !!(x & 0xff00ff00) << 3;
		737	r += !!(x & 0xffff0000) << 4;
		738	#else
		739	if (x & 0xaaaaaaaa) r += 1;
		740	if (x & 0xcccccccc) r += 2;
		741	if (x & 0xf0f0f0f0) r += 4;
		742	if (x & 0xff00ff00) r += 8;
		743	if (x & 0xffff0000) r += 16;
		744	#endif
		745
		746	return r;
		747	}
		748
		749	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
		750	ecb_function_ int
		751	ecb_ctz64 (uint64_t x)
		752	{
		753	int shift = x & 0xffffffffU ? 0 : 32;
		754	return ecb_ctz32 (x >> shift) + shift;
		755	}
		756
		757	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
		758	ecb_function_ int
		759	ecb_popcount32 (uint32_t x)
		760	{
		761	x -= (x >> 1) & 0x55555555;
		762	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
		763	x = ((x >> 4) + x) & 0x0f0f0f0f;
		764	x *= 0x01010101;
		765
		766	return x >> 24;
		767	}
		768
		769	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
		770	ecb_function_ int ecb_ld32 (uint32_t x)
		771	{
		772	int r = 0;
		773
		774	if (x >> 16) { x >>= 16; r += 16; }
		775	if (x >> 8) { x >>= 8; r += 8; }
		776	if (x >> 4) { x >>= 4; r += 4; }
		777	if (x >> 2) { x >>= 2; r += 2; }
		778	if (x >> 1) { r += 1; }
		779
		780	return r;
		781	}
		782
		783	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
		784	ecb_function_ int ecb_ld64 (uint64_t x)
		785	{
		786	int r = 0;
		787
		788	if (x >> 32) { x >>= 32; r += 32; }
		789
		790	return r + ecb_ld32 (x);
		791	}
		792	#endif
		793
		794	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x) ecb_const;
		795	ecb_function_ uint8_t ecb_bitrev8 (uint8_t x)
		796	{
		797	return ( (x * 0x0802U & 0x22110U)
		798	| (x * 0x8020U & 0x88440U)) * 0x10101U >> 16;
		799	}
		800
		801	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x) ecb_const;
		802	ecb_function_ uint16_t ecb_bitrev16 (uint16_t x)
		803	{
		804	x = ((x >> 1) & 0x5555) | ((x & 0x5555) << 1);
		805	x = ((x >> 2) & 0x3333) | ((x & 0x3333) << 2);
		806	x = ((x >> 4) & 0x0f0f) | ((x & 0x0f0f) << 4);
		807	x = ( x >> 8 ) | ( x << 8);
		808
		809	return x;
		810	}
		811
		812	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x) ecb_const;
		813	ecb_function_ uint32_t ecb_bitrev32 (uint32_t x)
		814	{
		815	x = ((x >> 1) & 0x55555555) | ((x & 0x55555555) << 1);
		816	x = ((x >> 2) & 0x33333333) | ((x & 0x33333333) << 2);
		817	x = ((x >> 4) & 0x0f0f0f0f) | ((x & 0x0f0f0f0f) << 4);
		818	x = ((x >> 8) & 0x00ff00ff) | ((x & 0x00ff00ff) << 8);
		819	x = ( x >> 16 ) | ( x << 16);
		820
		821	return x;
		822	}
		823
		824	/* popcount64 is only available on 64 bit cpus as gcc builtin */
		825	/* so for this version we are lazy */
		826	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
		827	ecb_function_ int
		828	ecb_popcount64 (uint64_t x)
		829	{
		830	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
		831	}
		832
		833	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
		834	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
		835	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
		836	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
		837	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
		838	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
		839	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
		840	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
		841
		842	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) | (x << count); }
		843	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) | (x >> count); }
		844	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) | (x << count); }
		845	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) | (x >> count); }
		846	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) | (x << count); }
		847	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
		848	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
		849	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
		850
		851	#if ECB_GCC_VERSION(4,3)
		852	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		853	#define ecb_bswap32(x) __builtin_bswap32 (x)
		854	#define ecb_bswap64(x) __builtin_bswap64 (x)
		855	#else
		856	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
		857	ecb_function_ uint16_t
		858	ecb_bswap16 (uint16_t x)
		859	{
		860	return ecb_rotl16 (x, 8);
		861	}
		862
		863	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
		864	ecb_function_ uint32_t
		865	ecb_bswap32 (uint32_t x)
		866	{
		867	return (((uint32_t)ecb_bswap16 (x)) << 16) | ecb_bswap16 (x >> 16);
		868	}
		869
		870	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
		871	ecb_function_ uint64_t
		872	ecb_bswap64 (uint64_t x)
		873	{
		874	return (((uint64_t)ecb_bswap32 (x)) << 32) | ecb_bswap32 (x >> 32);
		875	}
		876	#endif
		877
		878	#if ECB_GCC_VERSION(4,5)
		879	#define ecb_unreachable() __builtin_unreachable ()
		880	#else
		881	/* this seems to work fine, but gcc always emits a warning for it :/ */
		882	ecb_inline void ecb_unreachable (void) ecb_noreturn;
		883	ecb_inline void ecb_unreachable (void) { }
		884	#endif
		885
		886	/* try to tell the compiler that some condition is definitely true */
		887	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
		888
		889	ecb_inline unsigned char ecb_byteorder_helper (void) ecb_const;
		890	ecb_inline unsigned char
		891	ecb_byteorder_helper (void)
		892	{
		893	const uint32_t u = 0x11223344;
		894	return *(unsigned char *)&u;
		895	}
		896
		897	ecb_inline ecb_bool ecb_big_endian (void) ecb_const;
		898	ecb_inline ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
		899	ecb_inline ecb_bool ecb_little_endian (void) ecb_const;
		900	ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
		901
		902	#if ECB_GCC_VERSION(3,0) || ECB_C99
		903	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
		904	#else
		905	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		906	#endif
		907
		908	#if __cplusplus
		909	template<typename T>
		910	static inline T ecb_div_rd (T val, T div)
		911	{
		912	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		913	}
		914	template<typename T>
		915	static inline T ecb_div_ru (T val, T div)
		916	{
		917	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		918	}
		919	#else
		920	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		921	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
		922	#endif
		923
		924	#if ecb_cplusplus_does_not_suck
		925	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
		926	template<typename T, int N>
		927	static inline int ecb_array_length (const T (&arr)[N])
		928	{
		929	return N;
		930	}
		931	#else
		932	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
		933	#endif
		934
		935	#endif
		936
		937	/* ECB.H END */
		938
		939	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		940	/* if your architecture doesn't need memory fences, e.g. because it is
		941	* single-cpu/core, or if you use libev in a project that doesn't use libev
		942	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		943	* libev, in which cases the memory fences become nops.
		944	* alternatively, you can remove this #error and link against libpthread,
		945	* which will then provide the memory fences.
		946	*/
		947	# error "memory fences not defined for your architecture, please report"
		948	#endif
		949
		950	#ifndef ECB_MEMORY_FENCE
		951	# define ECB_MEMORY_FENCE do { } while (0)
		952	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		953	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		954	#endif
531		955
532	#define expect_false(cond) ecb_expect_false (cond)	956	#define expect_false(cond) ecb_expect_false (cond)
533	#define expect_true(cond) ecb_expect_true (cond)	957	#define expect_true(cond) ecb_expect_true (cond)
534	#define noinline ecb_noinline	958	#define noinline ecb_noinline
535		959
…		…
681	{	1105	{
682	write (STDERR_FILENO, msg, strlen (msg));	1106	write (STDERR_FILENO, msg, strlen (msg));
683	}	1107	}
684	#endif	1108	#endif
685		1109
686	static void (*syserr_cb)(const char *msg);	1110	static void (*syserr_cb)(const char *msg) EV_THROW;
687		1111
688	void ecb_cold	1112	void ecb_cold
689	ev_set_syserr_cb (void (*cb)(const char *msg))	1113	ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
690	{	1114	{
691	syserr_cb = cb;	1115	syserr_cb = cb;
692	}	1116	}
693		1117
694	static void noinline ecb_cold	1118	static void noinline ecb_cold
…		…
730	free (ptr);	1154	free (ptr);
731	return 0;	1155	return 0;
732	#endif	1156	#endif
733	}	1157	}
734		1158
735	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1159	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
736		1160
737	void ecb_cold	1161	void ecb_cold
738	ev_set_allocator (void *(*cb)(void *ptr, long size))	1162	ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
739	{	1163	{
740	alloc = cb;	1164	alloc = cb;
741	}	1165	}
742		1166
743	inline_speed void *	1167	inline_speed void *
…		…
831	#undef VAR	1255	#undef VAR
832	};	1256	};
833	#include "ev_wrap.h"	1257	#include "ev_wrap.h"
834		1258
835	static struct ev_loop default_loop_struct;	1259	static struct ev_loop default_loop_struct;
836	struct ev_loop *ev_default_loop_ptr;	1260	EV_API_DECL struct ev_loop *ev_default_loop_ptr = 0; /* needs to be initialised to make it a definition despite extern */
837		1261
838	#else	1262	#else
839		1263
840	ev_tstamp ev_rt_now;	1264	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
841	#define VAR(name,decl) static decl;	1265	#define VAR(name,decl) static decl;
842	#include "ev_vars.h"	1266	#include "ev_vars.h"
843	#undef VAR	1267	#undef VAR
844		1268
845	static int ev_default_loop_ptr;	1269	static int ev_default_loop_ptr;
…		…
860		1284
861	/*****************************************************************************/	1285	/*****************************************************************************/
862		1286
863	#ifndef EV_HAVE_EV_TIME	1287	#ifndef EV_HAVE_EV_TIME
864	ev_tstamp	1288	ev_tstamp
865	ev_time (void)	1289	ev_time (void) EV_THROW
866	{	1290	{
867	#if EV_USE_REALTIME	1291	#if EV_USE_REALTIME
868	if (expect_true (have_realtime))	1292	if (expect_true (have_realtime))
869	{	1293	{
870	struct timespec ts;	1294	struct timespec ts;
…		…
894	return ev_time ();	1318	return ev_time ();
895	}	1319	}
896		1320
897	#if EV_MULTIPLICITY	1321	#if EV_MULTIPLICITY
898	ev_tstamp	1322	ev_tstamp
899	ev_now (EV_P)	1323	ev_now (EV_P) EV_THROW
900	{	1324	{
901	return ev_rt_now;	1325	return ev_rt_now;
902	}	1326	}
903	#endif	1327	#endif
904		1328
905	void	1329	void
906	ev_sleep (ev_tstamp delay)	1330	ev_sleep (ev_tstamp delay) EV_THROW
907	{	1331	{
908	if (delay > 0.)	1332	if (delay > 0.)
909	{	1333	{
910	#if EV_USE_NANOSLEEP	1334	#if EV_USE_NANOSLEEP
911	struct timespec ts;	1335	struct timespec ts;
912		1336
913	EV_TS_SET (ts, delay);	1337	EV_TS_SET (ts, delay);
914	nanosleep (&ts, 0);	1338	nanosleep (&ts, 0);
915	#elif defined(_WIN32)	1339	#elif defined _WIN32
916	Sleep ((unsigned long)(delay * 1e3));	1340	Sleep ((unsigned long)(delay * 1e3));
917	#else	1341	#else
918	struct timeval tv;	1342	struct timeval tv;
919		1343
920	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */	1344	/* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
…		…
939		1363
940	do	1364	do
941	ncur <<= 1;	1365	ncur <<= 1;
942	while (cnt > ncur);	1366	while (cnt > ncur);
943		1367
944	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1368	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
945	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1369	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
946	{	1370	{
947	ncur *= elem;	1371	ncur *= elem;
948	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);	1372	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void *) * 4) & ~(MALLOC_ROUND - 1);
949	ncur = ncur - sizeof (void *) * 4;	1373	ncur = ncur - sizeof (void *) * 4;
…		…
964	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1388	memset ((void *)(base), 0, sizeof (*(base)) * (count))
965		1389
966	#define array_needsize(type,base,cur,cnt,init) \	1390	#define array_needsize(type,base,cur,cnt,init) \
967	if (expect_false ((cnt) > (cur))) \	1391	if (expect_false ((cnt) > (cur))) \
968	{ \	1392	{ \
969	int ocur_ = (cur); \	1393	int ecb_unused ocur_ = (cur); \
970	(base) = (type *)array_realloc \	1394	(base) = (type *)array_realloc \
971	(sizeof (type), (base), &(cur), (cnt)); \	1395	(sizeof (type), (base), &(cur), (cnt)); \
972	init ((base) + (ocur_), (cur) - ocur_); \	1396	init ((base) + (ocur_), (cur) - ocur_); \
973	}	1397	}
974		1398
…		…
992	pendingcb (EV_P_ ev_prepare *w, int revents)	1416	pendingcb (EV_P_ ev_prepare *w, int revents)
993	{	1417	{
994	}	1418	}
995		1419
996	void noinline	1420	void noinline
997	ev_feed_event (EV_P_ void *w, int revents)	1421	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
998	{	1422	{
999	W w_ = (W)w;	1423	W w_ = (W)w;
1000	int pri = ABSPRI (w_);	1424	int pri = ABSPRI (w_);
1001		1425
1002	if (expect_false (w_->pending))	1426	if (expect_false (w_->pending))
…		…
1006	w_->pending = ++pendingcnt [pri];	1430	w_->pending = ++pendingcnt [pri];
1007	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1431	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
1008	pendings [pri][w_->pending - 1].w = w_;	1432	pendings [pri][w_->pending - 1].w = w_;
1009	pendings [pri][w_->pending - 1].events = revents;	1433	pendings [pri][w_->pending - 1].events = revents;
1010	}	1434	}
		1435
		1436	pendingpri = NUMPRI - 1;
1011	}	1437	}
1012		1438
1013	inline_speed void	1439	inline_speed void
1014	feed_reverse (EV_P_ W w)	1440	feed_reverse (EV_P_ W w)
1015	{	1441	{
…		…
1061	if (expect_true (!anfd->reify))	1487	if (expect_true (!anfd->reify))
1062	fd_event_nocheck (EV_A_ fd, revents);	1488	fd_event_nocheck (EV_A_ fd, revents);
1063	}	1489	}
1064		1490
1065	void	1491	void
1066	ev_feed_fd_event (EV_P_ int fd, int revents)	1492	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1067	{	1493	{
1068	if (fd >= 0 && fd < anfdmax)	1494	if (fd >= 0 && fd < anfdmax)
1069	fd_event_nocheck (EV_A_ fd, revents);	1495	fd_event_nocheck (EV_A_ fd, revents);
1070	}	1496	}
1071		1497
…		…
1420	}	1846	}
1421		1847
1422	inline_speed void	1848	inline_speed void
1423	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1849	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1424	{	1850	{
1425	if (!*flag)	1851	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1426	{	1852
		1853	if (expect_true (*flag))
		1854	return;
		1855
1427	*flag = 1;	1856	*flag = 1;
1428		1857
		1858	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		1859
1429	pipe_write_skipped = 1;	1860	pipe_write_skipped = 1;
1430		1861
		1862	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		1863
1431	if (pipe_write_wanted)	1864	if (pipe_write_wanted)
		1865	{
		1866	int old_errno;
		1867
		1868	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
		1869
		1870	old_errno = errno; /* save errno because write will clobber it */
		1871
		1872	#if EV_USE_EVENTFD
		1873	if (evfd >= 0)
1432	{	1874	{
1433	int old_errno;
1434
1435	pipe_write_skipped = 0;
1436
1437	old_errno = errno; /* save errno because write will clobber it */
1438
1439	#if EV_USE_EVENTFD
1440	if (evfd >= 0)
1441	{
1442	uint64_t counter = 1;	1875	uint64_t counter = 1;
1443	write (evfd, &counter, sizeof (uint64_t));	1876	write (evfd, &counter, sizeof (uint64_t));
1444	}
1445	else
1446	#endif
1447	{
1448	/* win32 people keep sending patches that change this write() to send() */
1449	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1450	/* so when you think this write should be a send instead, please find out */
1451	/* where your send() is from - it's definitely not the microsoft send, and */
1452	/* tell me. thank you. */
1453	write (evpipe [1], &(evpipe [1]), 1);
1454	}
1455
1456	errno = old_errno;
1457	}	1877	}
		1878	else
		1879	#endif
		1880	{
		1881	/* win32 people keep sending patches that change this write() to send() */
		1882	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
		1883	/* so when you think this write should be a send instead, please find out */
		1884	/* where your send() is from - it's definitely not the microsoft send, and */
		1885	/* tell me. thank you. */
		1886	/* it might be that your problem is that your environment needs EV_USE_WSASOCKET */
		1887	/* check the ev documentation on how to use this flag */
		1888	write (evpipe [1], &(evpipe [1]), 1);
		1889	}
		1890
		1891	errno = old_errno;
1458	}	1892	}
1459	}	1893	}
1460		1894
1461	/* called whenever the libev signal pipe */	1895	/* called whenever the libev signal pipe */
1462	/* got some events (signal, async) */	1896	/* got some events (signal, async) */
…		…
1482	}	1916	}
1483	}	1917	}
1484		1918
1485	pipe_write_skipped = 0;	1919	pipe_write_skipped = 0;
1486		1920
		1921	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
		1922
1487	#if EV_SIGNAL_ENABLE	1923	#if EV_SIGNAL_ENABLE
1488	if (sig_pending)	1924	if (sig_pending)
1489	{	1925	{
1490	sig_pending = 0;	1926	sig_pending = 0;
		1927
		1928	ECB_MEMORY_FENCE_RELEASE;
1491		1929
1492	for (i = EV_NSIG - 1; i--; )	1930	for (i = EV_NSIG - 1; i--; )
1493	if (expect_false (signals [i].pending))	1931	if (expect_false (signals [i].pending))
1494	ev_feed_signal_event (EV_A_ i + 1);	1932	ev_feed_signal_event (EV_A_ i + 1);
1495	}	1933	}
…		…
1497		1935
1498	#if EV_ASYNC_ENABLE	1936	#if EV_ASYNC_ENABLE
1499	if (async_pending)	1937	if (async_pending)
1500	{	1938	{
1501	async_pending = 0;	1939	async_pending = 0;
		1940
		1941	ECB_MEMORY_FENCE_RELEASE;
1502		1942
1503	for (i = asynccnt; i--; )	1943	for (i = asynccnt; i--; )
1504	if (asyncs [i]->sent)	1944	if (asyncs [i]->sent)
1505	{	1945	{
1506	asyncs [i]->sent = 0;	1946	asyncs [i]->sent = 0;
…		…
1511	}	1951	}
1512		1952
1513	/*****************************************************************************/	1953	/*****************************************************************************/
1514		1954
1515	void	1955	void
1516	ev_feed_signal (int signum)	1956	ev_feed_signal (int signum) EV_THROW
1517	{	1957	{
1518	#if EV_MULTIPLICITY	1958	#if EV_MULTIPLICITY
1519	EV_P = signals [signum - 1].loop;	1959	EV_P = signals [signum - 1].loop;
1520		1960
1521	if (!EV_A)	1961	if (!EV_A)
1522	return;	1962	return;
1523	#endif	1963	#endif
1524		1964
1525	evpipe_init (EV_A);	1965	if (!ev_active (&pipe_w))
		1966	return;
1526		1967
1527	signals [signum - 1].pending = 1;	1968	signals [signum - 1].pending = 1;
1528	evpipe_write (EV_A_ &sig_pending);	1969	evpipe_write (EV_A_ &sig_pending);
1529	}	1970	}
1530		1971
…		…
1537		1978
1538	ev_feed_signal (signum);	1979	ev_feed_signal (signum);
1539	}	1980	}
1540		1981
1541	void noinline	1982	void noinline
1542	ev_feed_signal_event (EV_P_ int signum)	1983	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1543	{	1984	{
1544	WL w;	1985	WL w;
1545		1986
1546	if (expect_false (signum <= 0 || signum > EV_NSIG))	1987	if (expect_false (signum <= 0 || signum > EV_NSIG))
1547	return;	1988	return;
…		…
1663	#if EV_USE_SELECT	2104	#if EV_USE_SELECT
1664	# include "ev_select.c"	2105	# include "ev_select.c"
1665	#endif	2106	#endif
1666		2107
1667	int ecb_cold	2108	int ecb_cold
1668	ev_version_major (void)	2109	ev_version_major (void) EV_THROW
1669	{	2110	{
1670	return EV_VERSION_MAJOR;	2111	return EV_VERSION_MAJOR;
1671	}	2112	}
1672		2113
1673	int ecb_cold	2114	int ecb_cold
1674	ev_version_minor (void)	2115	ev_version_minor (void) EV_THROW
1675	{	2116	{
1676	return EV_VERSION_MINOR;	2117	return EV_VERSION_MINOR;
1677	}	2118	}
1678		2119
1679	/* return true if we are running with elevated privileges and should ignore env variables */	2120	/* return true if we are running with elevated privileges and should ignore env variables */
…		…
1687	|| getgid () != getegid ();	2128	|| getgid () != getegid ();
1688	#endif	2129	#endif
1689	}	2130	}
1690		2131
1691	unsigned int ecb_cold	2132	unsigned int ecb_cold
1692	ev_supported_backends (void)	2133	ev_supported_backends (void) EV_THROW
1693	{	2134	{
1694	unsigned int flags = 0;	2135	unsigned int flags = 0;
1695		2136
1696	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2137	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1697	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2138	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
1701		2142
1702	return flags;	2143	return flags;
1703	}	2144	}
1704		2145
1705	unsigned int ecb_cold	2146	unsigned int ecb_cold
1706	ev_recommended_backends (void)	2147	ev_recommended_backends (void) EV_THROW
1707	{	2148	{
1708	unsigned int flags = ev_supported_backends ();	2149	unsigned int flags = ev_supported_backends ();
1709		2150
1710	#ifndef __NetBSD__	2151	#ifndef __NetBSD__
1711	/* kqueue is borked on everything but netbsd apparently */	2152	/* kqueue is borked on everything but netbsd apparently */
…		…
1723		2164
1724	return flags;	2165	return flags;
1725	}	2166	}
1726		2167
1727	unsigned int ecb_cold	2168	unsigned int ecb_cold
1728	ev_embeddable_backends (void)	2169	ev_embeddable_backends (void) EV_THROW
1729	{	2170	{
1730	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2171	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1731		2172
1732	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2173	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1733	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2174	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
1735		2176
1736	return flags;	2177	return flags;
1737	}	2178	}
1738		2179
1739	unsigned int	2180	unsigned int
1740	ev_backend (EV_P)	2181	ev_backend (EV_P) EV_THROW
1741	{	2182	{
1742	return backend;	2183	return backend;
1743	}	2184	}
1744		2185
1745	#if EV_FEATURE_API	2186	#if EV_FEATURE_API
1746	unsigned int	2187	unsigned int
1747	ev_iteration (EV_P)	2188	ev_iteration (EV_P) EV_THROW
1748	{	2189	{
1749	return loop_count;	2190	return loop_count;
1750	}	2191	}
1751		2192
1752	unsigned int	2193	unsigned int
1753	ev_depth (EV_P)	2194	ev_depth (EV_P) EV_THROW
1754	{	2195	{
1755	return loop_depth;	2196	return loop_depth;
1756	}	2197	}
1757		2198
1758	void	2199	void
1759	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2200	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1760	{	2201	{
1761	io_blocktime = interval;	2202	io_blocktime = interval;
1762	}	2203	}
1763		2204
1764	void	2205	void
1765	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2206	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1766	{	2207	{
1767	timeout_blocktime = interval;	2208	timeout_blocktime = interval;
1768	}	2209	}
1769		2210
1770	void	2211	void
1771	ev_set_userdata (EV_P_ void *data)	2212	ev_set_userdata (EV_P_ void *data) EV_THROW
1772	{	2213	{
1773	userdata = data;	2214	userdata = data;
1774	}	2215	}
1775		2216
1776	void *	2217	void *
1777	ev_userdata (EV_P)	2218	ev_userdata (EV_P) EV_THROW
1778	{	2219	{
1779	return userdata;	2220	return userdata;
1780	}	2221	}
1781		2222
1782	void	2223	void
1783	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2224	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
1784	{	2225	{
1785	invoke_cb = invoke_pending_cb;	2226	invoke_cb = invoke_pending_cb;
1786	}	2227	}
1787		2228
1788	void	2229	void
1789	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2230	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
1790	{	2231	{
1791	release_cb = release;	2232	release_cb = release;
1792	acquire_cb = acquire;	2233	acquire_cb = acquire;
1793	}	2234	}
1794	#endif	2235	#endif
1795		2236
1796	/* initialise a loop structure, must be zero-initialised */	2237	/* initialise a loop structure, must be zero-initialised */
1797	static void noinline ecb_cold	2238	static void noinline ecb_cold
1798	loop_init (EV_P_ unsigned int flags)	2239	loop_init (EV_P_ unsigned int flags) EV_THROW
1799	{	2240	{
1800	if (!backend)	2241	if (!backend)
1801	{	2242	{
1802	origflags = flags;	2243	origflags = flags;
1803		2244
…		…
2056	}	2497	}
2057		2498
2058	#if EV_MULTIPLICITY	2499	#if EV_MULTIPLICITY
2059		2500
2060	struct ev_loop * ecb_cold	2501	struct ev_loop * ecb_cold
2061	ev_loop_new (unsigned int flags)	2502	ev_loop_new (unsigned int flags) EV_THROW
2062	{	2503	{
2063	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2504	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2064		2505
2065	memset (EV_A, 0, sizeof (struct ev_loop));	2506	memset (EV_A, 0, sizeof (struct ev_loop));
2066	loop_init (EV_A_ flags);	2507	loop_init (EV_A_ flags);
…		…
2110	}	2551	}
2111	#endif	2552	#endif
2112		2553
2113	#if EV_FEATURE_API	2554	#if EV_FEATURE_API
2114	void ecb_cold	2555	void ecb_cold
2115	ev_verify (EV_P)	2556	ev_verify (EV_P) EV_THROW
2116	{	2557	{
2117	#if EV_VERIFY	2558	#if EV_VERIFY
2118	int i;	2559	int i, j;
2119	WL w;	2560	WL w, w2;
2120		2561
2121	assert (activecnt >= -1);	2562	assert (activecnt >= -1);
2122		2563
2123	assert (fdchangemax >= fdchangecnt);	2564	assert (fdchangemax >= fdchangecnt);
2124	for (i = 0; i < fdchangecnt; ++i)	2565	for (i = 0; i < fdchangecnt; ++i)
2125	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2566	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2126		2567
2127	assert (anfdmax >= 0);	2568	assert (anfdmax >= 0);
2128	for (i = 0; i < anfdmax; ++i)	2569	for (i = j = 0; i < anfdmax; ++i)
2129	for (w = anfds [i].head; w; w = w->next)	2570	for (w = w2 = anfds [i].head; w; w = w->next)
2130	{	2571	{
2131	verify_watcher (EV_A_ (W)w);	2572	verify_watcher (EV_A_ (W)w);
		2573
		2574	if (++j & 1)
		2575	w2 = w2->next;
		2576
		2577	assert (("libev: io watcher list contains a loop", w != w2));
2132	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2578	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2133	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2579	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2134	}	2580	}
2135		2581
2136	assert (timermax >= timercnt);	2582	assert (timermax >= timercnt);
…		…
2189	#if EV_MULTIPLICITY	2635	#if EV_MULTIPLICITY
2190	struct ev_loop * ecb_cold	2636	struct ev_loop * ecb_cold
2191	#else	2637	#else
2192	int	2638	int
2193	#endif	2639	#endif
2194	ev_default_loop (unsigned int flags)	2640	ev_default_loop (unsigned int flags) EV_THROW
2195	{	2641	{
2196	if (!ev_default_loop_ptr)	2642	if (!ev_default_loop_ptr)
2197	{	2643	{
2198	#if EV_MULTIPLICITY	2644	#if EV_MULTIPLICITY
2199	EV_P = ev_default_loop_ptr = &default_loop_struct;	2645	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2218		2664
2219	return ev_default_loop_ptr;	2665	return ev_default_loop_ptr;
2220	}	2666	}
2221		2667
2222	void	2668	void
2223	ev_loop_fork (EV_P)	2669	ev_loop_fork (EV_P) EV_THROW
2224	{	2670	{
2225	postfork = 1; /* must be in line with ev_default_fork */	2671	postfork = 1; /* must be in line with ev_default_fork */
2226	}	2672	}
2227		2673
2228	/*****************************************************************************/	2674	/*****************************************************************************/
…		…
2232	{	2678	{
2233	EV_CB_INVOKE ((W)w, revents);	2679	EV_CB_INVOKE ((W)w, revents);
2234	}	2680	}
2235		2681
2236	unsigned int	2682	unsigned int
2237	ev_pending_count (EV_P)	2683	ev_pending_count (EV_P) EV_THROW
2238	{	2684	{
2239	int pri;	2685	int pri;
2240	unsigned int count = 0;	2686	unsigned int count = 0;
2241		2687
2242	for (pri = NUMPRI; pri--; )	2688	for (pri = NUMPRI; pri--; )
…		…
2246	}	2692	}
2247		2693
2248	void noinline	2694	void noinline
2249	ev_invoke_pending (EV_P)	2695	ev_invoke_pending (EV_P)
2250	{	2696	{
2251	int pri;	2697	for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2252
2253	for (pri = NUMPRI; pri--; )
2254	while (pendingcnt [pri])	2698	while (pendingcnt [pendingpri])
2255	{	2699	{
2256	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2700	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2257		2701
2258	p->w->pending = 0;	2702	p->w->pending = 0;
2259	EV_CB_INVOKE (p->w, p->events);	2703	EV_CB_INVOKE (p->w, p->events);
2260	EV_FREQUENT_CHECK;	2704	EV_FREQUENT_CHECK;
2261	}	2705	}
…		…
2501		2945
2502	mn_now = ev_rt_now;	2946	mn_now = ev_rt_now;
2503	}	2947	}
2504	}	2948	}
2505		2949
2506	void	2950	int
2507	ev_run (EV_P_ int flags)	2951	ev_run (EV_P_ int flags)
2508	{	2952	{
2509	#if EV_FEATURE_API	2953	#if EV_FEATURE_API
2510	++loop_depth;	2954	++loop_depth;
2511	#endif	2955	#endif
…		…
2572	time_update (EV_A_ 1e100);	3016	time_update (EV_A_ 1e100);
2573		3017
2574	/* from now on, we want a pipe-wake-up */	3018	/* from now on, we want a pipe-wake-up */
2575	pipe_write_wanted = 1;	3019	pipe_write_wanted = 1;
2576		3020
		3021	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
		3022
2577	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3023	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2578	{	3024	{
2579	waittime = MAX_BLOCKTIME;	3025	waittime = MAX_BLOCKTIME;
2580		3026
2581	if (timercnt)	3027	if (timercnt)
…		…
2622	#endif	3068	#endif
2623	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3069	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2624	backend_poll (EV_A_ waittime);	3070	backend_poll (EV_A_ waittime);
2625	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3071	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2626		3072
2627	pipe_write_wanted = 0;	3073	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2628		3074
2629	if (pipe_write_skipped)	3075	if (pipe_write_skipped)
2630	{	3076	{
2631	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3077	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2632	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3078	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
…		…
2666	loop_done = EVBREAK_CANCEL;	3112	loop_done = EVBREAK_CANCEL;
2667		3113
2668	#if EV_FEATURE_API	3114	#if EV_FEATURE_API
2669	--loop_depth;	3115	--loop_depth;
2670	#endif	3116	#endif
		3117
		3118	return activecnt;
2671	}	3119	}
2672		3120
2673	void	3121	void
2674	ev_break (EV_P_ int how)	3122	ev_break (EV_P_ int how) EV_THROW
2675	{	3123	{
2676	loop_done = how;	3124	loop_done = how;
2677	}	3125	}
2678		3126
2679	void	3127	void
2680	ev_ref (EV_P)	3128	ev_ref (EV_P) EV_THROW
2681	{	3129	{
2682	++activecnt;	3130	++activecnt;
2683	}	3131	}
2684		3132
2685	void	3133	void
2686	ev_unref (EV_P)	3134	ev_unref (EV_P) EV_THROW
2687	{	3135	{
2688	--activecnt;	3136	--activecnt;
2689	}	3137	}
2690		3138
2691	void	3139	void
2692	ev_now_update (EV_P)	3140	ev_now_update (EV_P) EV_THROW
2693	{	3141	{
2694	time_update (EV_A_ 1e100);	3142	time_update (EV_A_ 1e100);
2695	}	3143	}
2696		3144
2697	void	3145	void
2698	ev_suspend (EV_P)	3146	ev_suspend (EV_P) EV_THROW
2699	{	3147	{
2700	ev_now_update (EV_A);	3148	ev_now_update (EV_A);
2701	}	3149	}
2702		3150
2703	void	3151	void
2704	ev_resume (EV_P)	3152	ev_resume (EV_P) EV_THROW
2705	{	3153	{
2706	ev_tstamp mn_prev = mn_now;	3154	ev_tstamp mn_prev = mn_now;
2707		3155
2708	ev_now_update (EV_A);	3156	ev_now_update (EV_A);
2709	timers_reschedule (EV_A_ mn_now - mn_prev);	3157	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
2748	w->pending = 0;	3196	w->pending = 0;
2749	}	3197	}
2750	}	3198	}
2751		3199
2752	int	3200	int
2753	ev_clear_pending (EV_P_ void *w)	3201	ev_clear_pending (EV_P_ void *w) EV_THROW
2754	{	3202	{
2755	W w_ = (W)w;	3203	W w_ = (W)w;
2756	int pending = w_->pending;	3204	int pending = w_->pending;
2757		3205
2758	if (expect_true (pending))	3206	if (expect_true (pending))
…		…
2791	}	3239	}
2792		3240
2793	/*****************************************************************************/	3241	/*****************************************************************************/
2794		3242
2795	void noinline	3243	void noinline
2796	ev_io_start (EV_P_ ev_io *w)	3244	ev_io_start (EV_P_ ev_io *w) EV_THROW
2797	{	3245	{
2798	int fd = w->fd;	3246	int fd = w->fd;
2799		3247
2800	if (expect_false (ev_is_active (w)))	3248	if (expect_false (ev_is_active (w)))
2801	return;	3249	return;
…		…
2807		3255
2808	ev_start (EV_A_ (W)w, 1);	3256	ev_start (EV_A_ (W)w, 1);
2809	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3257	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2810	wlist_add (&anfds[fd].head, (WL)w);	3258	wlist_add (&anfds[fd].head, (WL)w);
2811		3259
		3260	/* common bug, apparently */
		3261	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3262
2812	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3263	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2813	w->events &= ~EV__IOFDSET;	3264	w->events &= ~EV__IOFDSET;
2814		3265
2815	EV_FREQUENT_CHECK;	3266	EV_FREQUENT_CHECK;
2816	}	3267	}
2817		3268
2818	void noinline	3269	void noinline
2819	ev_io_stop (EV_P_ ev_io *w)	3270	ev_io_stop (EV_P_ ev_io *w) EV_THROW
2820	{	3271	{
2821	clear_pending (EV_A_ (W)w);	3272	clear_pending (EV_A_ (W)w);
2822	if (expect_false (!ev_is_active (w)))	3273	if (expect_false (!ev_is_active (w)))
2823	return;	3274	return;
2824		3275
…		…
2833		3284
2834	EV_FREQUENT_CHECK;	3285	EV_FREQUENT_CHECK;
2835	}	3286	}
2836		3287
2837	void noinline	3288	void noinline
2838	ev_timer_start (EV_P_ ev_timer *w)	3289	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2839	{	3290	{
2840	if (expect_false (ev_is_active (w)))	3291	if (expect_false (ev_is_active (w)))
2841	return;	3292	return;
2842		3293
2843	ev_at (w) += mn_now;	3294	ev_at (w) += mn_now;
…		…
2857		3308
2858	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3309	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2859	}	3310	}
2860		3311
2861	void noinline	3312	void noinline
2862	ev_timer_stop (EV_P_ ev_timer *w)	3313	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2863	{	3314	{
2864	clear_pending (EV_A_ (W)w);	3315	clear_pending (EV_A_ (W)w);
2865	if (expect_false (!ev_is_active (w)))	3316	if (expect_false (!ev_is_active (w)))
2866	return;	3317	return;
2867		3318
…		…
2887		3338
2888	EV_FREQUENT_CHECK;	3339	EV_FREQUENT_CHECK;
2889	}	3340	}
2890		3341
2891	void noinline	3342	void noinline
2892	ev_timer_again (EV_P_ ev_timer *w)	3343	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2893	{	3344	{
2894	EV_FREQUENT_CHECK;	3345	EV_FREQUENT_CHECK;
		3346
		3347	clear_pending (EV_A_ (W)w);
2895		3348
2896	if (ev_is_active (w))	3349	if (ev_is_active (w))
2897	{	3350	{
2898	if (w->repeat)	3351	if (w->repeat)
2899	{	3352	{
…		…
2912		3365
2913	EV_FREQUENT_CHECK;	3366	EV_FREQUENT_CHECK;
2914	}	3367	}
2915		3368
2916	ev_tstamp	3369	ev_tstamp
2917	ev_timer_remaining (EV_P_ ev_timer *w)	3370	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2918	{	3371	{
2919	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3372	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2920	}	3373	}
2921		3374
2922	#if EV_PERIODIC_ENABLE	3375	#if EV_PERIODIC_ENABLE
2923	void noinline	3376	void noinline
2924	ev_periodic_start (EV_P_ ev_periodic *w)	3377	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2925	{	3378	{
2926	if (expect_false (ev_is_active (w)))	3379	if (expect_false (ev_is_active (w)))
2927	return;	3380	return;
2928		3381
2929	if (w->reschedule_cb)	3382	if (w->reschedule_cb)
…		…
2949		3402
2950	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3403	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2951	}	3404	}
2952		3405
2953	void noinline	3406	void noinline
2954	ev_periodic_stop (EV_P_ ev_periodic *w)	3407	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
2955	{	3408	{
2956	clear_pending (EV_A_ (W)w);	3409	clear_pending (EV_A_ (W)w);
2957	if (expect_false (!ev_is_active (w)))	3410	if (expect_false (!ev_is_active (w)))
2958	return;	3411	return;
2959		3412
…		…
2977		3430
2978	EV_FREQUENT_CHECK;	3431	EV_FREQUENT_CHECK;
2979	}	3432	}
2980		3433
2981	void noinline	3434	void noinline
2982	ev_periodic_again (EV_P_ ev_periodic *w)	3435	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
2983	{	3436	{
2984	/* TODO: use adjustheap and recalculation */	3437	/* TODO: use adjustheap and recalculation */
2985	ev_periodic_stop (EV_A_ w);	3438	ev_periodic_stop (EV_A_ w);
2986	ev_periodic_start (EV_A_ w);	3439	ev_periodic_start (EV_A_ w);
2987	}	3440	}
…		…
2992	#endif	3445	#endif
2993		3446
2994	#if EV_SIGNAL_ENABLE	3447	#if EV_SIGNAL_ENABLE
2995		3448
2996	void noinline	3449	void noinline
2997	ev_signal_start (EV_P_ ev_signal *w)	3450	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
2998	{	3451	{
2999	if (expect_false (ev_is_active (w)))	3452	if (expect_false (ev_is_active (w)))
3000	return;	3453	return;
3001		3454
3002	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3455	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3073		3526
3074	EV_FREQUENT_CHECK;	3527	EV_FREQUENT_CHECK;
3075	}	3528	}
3076		3529
3077	void noinline	3530	void noinline
3078	ev_signal_stop (EV_P_ ev_signal *w)	3531	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3079	{	3532	{
3080	clear_pending (EV_A_ (W)w);	3533	clear_pending (EV_A_ (W)w);
3081	if (expect_false (!ev_is_active (w)))	3534	if (expect_false (!ev_is_active (w)))
3082	return;	3535	return;
3083		3536
…		…
3114	#endif	3567	#endif
3115		3568
3116	#if EV_CHILD_ENABLE	3569	#if EV_CHILD_ENABLE
3117		3570
3118	void	3571	void
3119	ev_child_start (EV_P_ ev_child *w)	3572	ev_child_start (EV_P_ ev_child *w) EV_THROW
3120	{	3573	{
3121	#if EV_MULTIPLICITY	3574	#if EV_MULTIPLICITY
3122	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3575	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3123	#endif	3576	#endif
3124	if (expect_false (ev_is_active (w)))	3577	if (expect_false (ev_is_active (w)))
…		…
3131		3584
3132	EV_FREQUENT_CHECK;	3585	EV_FREQUENT_CHECK;
3133	}	3586	}
3134		3587
3135	void	3588	void
3136	ev_child_stop (EV_P_ ev_child *w)	3589	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3137	{	3590	{
3138	clear_pending (EV_A_ (W)w);	3591	clear_pending (EV_A_ (W)w);
3139	if (expect_false (!ev_is_active (w)))	3592	if (expect_false (!ev_is_active (w)))
3140	return;	3593	return;
3141		3594
…		…
3308	}	3761	}
3309		3762
3310	inline_size int	3763	inline_size int
3311	infy_newfd (void)	3764	infy_newfd (void)
3312	{	3765	{
3313	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	3766	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3314	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	3767	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3315	if (fd >= 0)	3768	if (fd >= 0)
3316	return fd;	3769	return fd;
3317	#endif	3770	#endif
3318	return inotify_init ();	3771	return inotify_init ();
…		…
3393	#else	3846	#else
3394	# define EV_LSTAT(p,b) lstat (p, b)	3847	# define EV_LSTAT(p,b) lstat (p, b)
3395	#endif	3848	#endif
3396		3849
3397	void	3850	void
3398	ev_stat_stat (EV_P_ ev_stat *w)	3851	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3399	{	3852	{
3400	if (lstat (w->path, &w->attr) < 0)	3853	if (lstat (w->path, &w->attr) < 0)
3401	w->attr.st_nlink = 0;	3854	w->attr.st_nlink = 0;
3402	else if (!w->attr.st_nlink)	3855	else if (!w->attr.st_nlink)
3403	w->attr.st_nlink = 1;	3856	w->attr.st_nlink = 1;
…		…
3442	ev_feed_event (EV_A_ w, EV_STAT);	3895	ev_feed_event (EV_A_ w, EV_STAT);
3443	}	3896	}
3444	}	3897	}
3445		3898
3446	void	3899	void
3447	ev_stat_start (EV_P_ ev_stat *w)	3900	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3448	{	3901	{
3449	if (expect_false (ev_is_active (w)))	3902	if (expect_false (ev_is_active (w)))
3450	return;	3903	return;
3451		3904
3452	ev_stat_stat (EV_A_ w);	3905	ev_stat_stat (EV_A_ w);
…		…
3473		3926
3474	EV_FREQUENT_CHECK;	3927	EV_FREQUENT_CHECK;
3475	}	3928	}
3476		3929
3477	void	3930	void
3478	ev_stat_stop (EV_P_ ev_stat *w)	3931	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3479	{	3932	{
3480	clear_pending (EV_A_ (W)w);	3933	clear_pending (EV_A_ (W)w);
3481	if (expect_false (!ev_is_active (w)))	3934	if (expect_false (!ev_is_active (w)))
3482	return;	3935	return;
3483		3936
…		…
3499	}	3952	}
3500	#endif	3953	#endif
3501		3954
3502	#if EV_IDLE_ENABLE	3955	#if EV_IDLE_ENABLE
3503	void	3956	void
3504	ev_idle_start (EV_P_ ev_idle *w)	3957	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3505	{	3958	{
3506	if (expect_false (ev_is_active (w)))	3959	if (expect_false (ev_is_active (w)))
3507	return;	3960	return;
3508		3961
3509	pri_adjust (EV_A_ (W)w);	3962	pri_adjust (EV_A_ (W)w);
…		…
3522		3975
3523	EV_FREQUENT_CHECK;	3976	EV_FREQUENT_CHECK;
3524	}	3977	}
3525		3978
3526	void	3979	void
3527	ev_idle_stop (EV_P_ ev_idle *w)	3980	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3528	{	3981	{
3529	clear_pending (EV_A_ (W)w);	3982	clear_pending (EV_A_ (W)w);
3530	if (expect_false (!ev_is_active (w)))	3983	if (expect_false (!ev_is_active (w)))
3531	return;	3984	return;
3532		3985
…		…
3546	}	3999	}
3547	#endif	4000	#endif
3548		4001
3549	#if EV_PREPARE_ENABLE	4002	#if EV_PREPARE_ENABLE
3550	void	4003	void
3551	ev_prepare_start (EV_P_ ev_prepare *w)	4004	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3552	{	4005	{
3553	if (expect_false (ev_is_active (w)))	4006	if (expect_false (ev_is_active (w)))
3554	return;	4007	return;
3555		4008
3556	EV_FREQUENT_CHECK;	4009	EV_FREQUENT_CHECK;
…		…
3561		4014
3562	EV_FREQUENT_CHECK;	4015	EV_FREQUENT_CHECK;
3563	}	4016	}
3564		4017
3565	void	4018	void
3566	ev_prepare_stop (EV_P_ ev_prepare *w)	4019	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3567	{	4020	{
3568	clear_pending (EV_A_ (W)w);	4021	clear_pending (EV_A_ (W)w);
3569	if (expect_false (!ev_is_active (w)))	4022	if (expect_false (!ev_is_active (w)))
3570	return;	4023	return;
3571		4024
…		…
3584	}	4037	}
3585	#endif	4038	#endif
3586		4039
3587	#if EV_CHECK_ENABLE	4040	#if EV_CHECK_ENABLE
3588	void	4041	void
3589	ev_check_start (EV_P_ ev_check *w)	4042	ev_check_start (EV_P_ ev_check *w) EV_THROW
3590	{	4043	{
3591	if (expect_false (ev_is_active (w)))	4044	if (expect_false (ev_is_active (w)))
3592	return;	4045	return;
3593		4046
3594	EV_FREQUENT_CHECK;	4047	EV_FREQUENT_CHECK;
…		…
3599		4052
3600	EV_FREQUENT_CHECK;	4053	EV_FREQUENT_CHECK;
3601	}	4054	}
3602		4055
3603	void	4056	void
3604	ev_check_stop (EV_P_ ev_check *w)	4057	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3605	{	4058	{
3606	clear_pending (EV_A_ (W)w);	4059	clear_pending (EV_A_ (W)w);
3607	if (expect_false (!ev_is_active (w)))	4060	if (expect_false (!ev_is_active (w)))
3608	return;	4061	return;
3609		4062
…		…
3622	}	4075	}
3623	#endif	4076	#endif
3624		4077
3625	#if EV_EMBED_ENABLE	4078	#if EV_EMBED_ENABLE
3626	void noinline	4079	void noinline
3627	ev_embed_sweep (EV_P_ ev_embed *w)	4080	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3628	{	4081	{
3629	ev_run (w->other, EVRUN_NOWAIT);	4082	ev_run (w->other, EVRUN_NOWAIT);
3630	}	4083	}
3631		4084
3632	static void	4085	static void
…		…
3680	ev_idle_stop (EV_A_ idle);	4133	ev_idle_stop (EV_A_ idle);
3681	}	4134	}
3682	#endif	4135	#endif
3683		4136
3684	void	4137	void
3685	ev_embed_start (EV_P_ ev_embed *w)	4138	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3686	{	4139	{
3687	if (expect_false (ev_is_active (w)))	4140	if (expect_false (ev_is_active (w)))
3688	return;	4141	return;
3689		4142
3690	{	4143	{
…		…
3711		4164
3712	EV_FREQUENT_CHECK;	4165	EV_FREQUENT_CHECK;
3713	}	4166	}
3714		4167
3715	void	4168	void
3716	ev_embed_stop (EV_P_ ev_embed *w)	4169	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3717	{	4170	{
3718	clear_pending (EV_A_ (W)w);	4171	clear_pending (EV_A_ (W)w);
3719	if (expect_false (!ev_is_active (w)))	4172	if (expect_false (!ev_is_active (w)))
3720	return;	4173	return;
3721		4174
…		…
3731	}	4184	}
3732	#endif	4185	#endif
3733		4186
3734	#if EV_FORK_ENABLE	4187	#if EV_FORK_ENABLE
3735	void	4188	void
3736	ev_fork_start (EV_P_ ev_fork *w)	4189	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3737	{	4190	{
3738	if (expect_false (ev_is_active (w)))	4191	if (expect_false (ev_is_active (w)))
3739	return;	4192	return;
3740		4193
3741	EV_FREQUENT_CHECK;	4194	EV_FREQUENT_CHECK;
…		…
3746		4199
3747	EV_FREQUENT_CHECK;	4200	EV_FREQUENT_CHECK;
3748	}	4201	}
3749		4202
3750	void	4203	void
3751	ev_fork_stop (EV_P_ ev_fork *w)	4204	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3752	{	4205	{
3753	clear_pending (EV_A_ (W)w);	4206	clear_pending (EV_A_ (W)w);
3754	if (expect_false (!ev_is_active (w)))	4207	if (expect_false (!ev_is_active (w)))
3755	return;	4208	return;
3756		4209
…		…
3769	}	4222	}
3770	#endif	4223	#endif
3771		4224
3772	#if EV_CLEANUP_ENABLE	4225	#if EV_CLEANUP_ENABLE
3773	void	4226	void
3774	ev_cleanup_start (EV_P_ ev_cleanup *w)	4227	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3775	{	4228	{
3776	if (expect_false (ev_is_active (w)))	4229	if (expect_false (ev_is_active (w)))
3777	return;	4230	return;
3778		4231
3779	EV_FREQUENT_CHECK;	4232	EV_FREQUENT_CHECK;
…		…
3786	ev_unref (EV_A);	4239	ev_unref (EV_A);
3787	EV_FREQUENT_CHECK;	4240	EV_FREQUENT_CHECK;
3788	}	4241	}
3789		4242
3790	void	4243	void
3791	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4244	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3792	{	4245	{
3793	clear_pending (EV_A_ (W)w);	4246	clear_pending (EV_A_ (W)w);
3794	if (expect_false (!ev_is_active (w)))	4247	if (expect_false (!ev_is_active (w)))
3795	return;	4248	return;
3796		4249
…		…
3810	}	4263	}
3811	#endif	4264	#endif
3812		4265
3813	#if EV_ASYNC_ENABLE	4266	#if EV_ASYNC_ENABLE
3814	void	4267	void
3815	ev_async_start (EV_P_ ev_async *w)	4268	ev_async_start (EV_P_ ev_async *w) EV_THROW
3816	{	4269	{
3817	if (expect_false (ev_is_active (w)))	4270	if (expect_false (ev_is_active (w)))
3818	return;	4271	return;
3819		4272
3820	w->sent = 0;	4273	w->sent = 0;
…		…
3829		4282
3830	EV_FREQUENT_CHECK;	4283	EV_FREQUENT_CHECK;
3831	}	4284	}
3832		4285
3833	void	4286	void
3834	ev_async_stop (EV_P_ ev_async *w)	4287	ev_async_stop (EV_P_ ev_async *w) EV_THROW
3835	{	4288	{
3836	clear_pending (EV_A_ (W)w);	4289	clear_pending (EV_A_ (W)w);
3837	if (expect_false (!ev_is_active (w)))	4290	if (expect_false (!ev_is_active (w)))
3838	return;	4291	return;
3839		4292
…		…
3850		4303
3851	EV_FREQUENT_CHECK;	4304	EV_FREQUENT_CHECK;
3852	}	4305	}
3853		4306
3854	void	4307	void
3855	ev_async_send (EV_P_ ev_async *w)	4308	ev_async_send (EV_P_ ev_async *w) EV_THROW
3856	{	4309	{
3857	w->sent = 1;	4310	w->sent = 1;
3858	evpipe_write (EV_A_ &async_pending);	4311	evpipe_write (EV_A_ &async_pending);
3859	}	4312	}
3860	#endif	4313	#endif
…		…
3897		4350
3898	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4351	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3899	}	4352	}
3900		4353
3901	void	4354	void
3902	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4355	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3903	{	4356	{
3904	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4357	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3905		4358
3906	if (expect_false (!once))	4359	if (expect_false (!once))
3907	{	4360	{
…		…
3929		4382
3930	/*****************************************************************************/	4383	/*****************************************************************************/
3931		4384
3932	#if EV_WALK_ENABLE	4385	#if EV_WALK_ENABLE
3933	void ecb_cold	4386	void ecb_cold
3934	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4387	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3935	{	4388	{
3936	int i, j;	4389	int i, j;
3937	ev_watcher_list *wl, *wn;	4390	ev_watcher_list *wl, *wn;
3938		4391
3939	if (types & (EV_IO | EV_EMBED))	4392	if (types & (EV_IO | EV_EMBED))
…		…
3982	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));	4435	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3983	#endif	4436	#endif
3984		4437
3985	#if EV_IDLE_ENABLE	4438	#if EV_IDLE_ENABLE
3986	if (types & EV_IDLE)	4439	if (types & EV_IDLE)
3987	for (j = NUMPRI; i--; )	4440	for (j = NUMPRI; j--; )
3988	for (i = idlecnt [j]; i--; )	4441	for (i = idlecnt [j]; i--; )
3989	cb (EV_A_ EV_IDLE, idles [j][i]);	4442	cb (EV_A_ EV_IDLE, idles [j][i]);
3990	#endif	4443	#endif
3991		4444
3992	#if EV_FORK_ENABLE	4445	#if EV_FORK_ENABLE
…		…
4045		4498
4046	#if EV_MULTIPLICITY	4499	#if EV_MULTIPLICITY
4047	#include "ev_wrap.h"	4500	#include "ev_wrap.h"
4048	#endif	4501	#endif
4049		4502
4050	EV_CPP(})
4051

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