ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.378 by root, Mon Jun 13 09:52:36 2011 UTC vs.
Revision 1.427 by root, Sun May 6 19:29:59 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
		478	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
		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;
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
472	#else	526	#else
473	# define expect(expr,value) (expr)	527	#include <inttypes.h>
474	# define noinline
475	# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
476	# define inline
477	# endif	528	#endif
		529
		530	/* many compilers define _GNUC_ to some versions but then only implement
		531	* what their idiot authors think are the "more important" extensions,
		532	* causing enormous grief in return for some better fake benchmark numbers.
		533	* or so.
		534	* we try to detect these and simply assume they are not gcc - if they have
		535	* an issue with that they should have done it right in the first place.
		536	*/
		537	#ifndef ECB_GCC_VERSION
		538	#if !defined __GNUC_MINOR__ || defined __INTEL_COMPILER || defined __SUNPRO_C || defined __SUNPRO_CC || defined __llvm__ || defined __clang__
		539	#define ECB_GCC_VERSION(major,minor) 0
		540	#else
		541	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
478	#endif	542	#endif
		543	#endif
479		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)
		642
		643	#if __cplusplus
		644	#define ecb_inline static inline
		645	#elif ECB_GCC_VERSION(2,5)
		646	#define ecb_inline static __inline__
		647	#elif ECB_C99
		648	#define ecb_inline static inline
		649	#else
		650	#define ecb_inline static
		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
		669
		670	#if ECB_GCC_VERSION(3,1)
		671	#define ecb_attribute(attrlist) __attribute__(attrlist)
		672	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		673	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		674	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		675	#else
		676	#define ecb_attribute(attrlist)
		677	#define ecb_is_constant(expr) 0
		678	#define ecb_expect(expr,value) (expr)
		679	#define ecb_prefetch(addr,rw,locality)
		680	#endif
		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
		689	#define ecb_noinline ecb_attribute ((__noinline__))
		690	#define ecb_noreturn ecb_attribute ((__noreturn__))
		691	#define ecb_unused ecb_attribute ((__unused__))
		692	#define ecb_const ecb_attribute ((__const__))
		693	#define ecb_pure ecb_attribute ((__pure__))
		694
		695	#if ECB_GCC_VERSION(4,3)
		696	#define ecb_artificial ecb_attribute ((__artificial__))
		697	#define ecb_hot ecb_attribute ((__hot__))
		698	#define ecb_cold ecb_attribute ((__cold__))
		699	#else
		700	#define ecb_artificial
		701	#define ecb_hot
		702	#define ecb_cold
		703	#endif
		704
		705	/* put around conditional expressions if you are very sure that the */
		706	/* expression is mostly true or mostly false. note that these return */
		707	/* booleans, not the expression. */
480	#define expect_false(expr) expect ((expr) != 0, 0)	708	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
481	#define expect_true(expr) expect ((expr) != 0, 1)	709	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
		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
		955
		956	#define expect_false(cond) ecb_expect_false (cond)
		957	#define expect_true(cond) ecb_expect_true (cond)
		958	#define noinline ecb_noinline
		959
482	#define inline_size static inline	960	#define inline_size ecb_inline
483		961
484	#if EV_FEATURE_CODE	962	#if EV_FEATURE_CODE
485	# define inline_speed static inline	963	# define inline_speed ecb_inline
486	#else	964	#else
487	# define inline_speed static noinline	965	# define inline_speed static noinline
488	#endif	966	#endif
489		967
490	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	968	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
…		…
581		1059
582	#ifdef __linux	1060	#ifdef __linux
583	# include <sys/utsname.h>	1061	# include <sys/utsname.h>
584	#endif	1062	#endif
585		1063
586	static unsigned int noinline	1064	static unsigned int noinline ecb_cold
587	ev_linux_version (void)	1065	ev_linux_version (void)
588	{	1066	{
589	#ifdef __linux	1067	#ifdef __linux
590	unsigned int v = 0;	1068	unsigned int v = 0;
591	struct utsname buf;	1069	struct utsname buf;
…		…
620	}	1098	}
621		1099
622	/*****************************************************************************/	1100	/*****************************************************************************/
623		1101
624	#if EV_AVOID_STDIO	1102	#if EV_AVOID_STDIO
625	static void noinline	1103	static void noinline ecb_cold
626	ev_printerr (const char *msg)	1104	ev_printerr (const char *msg)
627	{	1105	{
628	write (STDERR_FILENO, msg, strlen (msg));	1106	write (STDERR_FILENO, msg, strlen (msg));
629	}	1107	}
630	#endif	1108	#endif
631		1109
632	static void (*syserr_cb)(const char *msg);	1110	static void (*syserr_cb)(const char *msg) EV_THROW;
633		1111
634	void	1112	void ecb_cold
635	ev_set_syserr_cb (void (*cb)(const char *msg))	1113	ev_set_syserr_cb (void (*cb)(const char *msg)) EV_THROW
636	{	1114	{
637	syserr_cb = cb;	1115	syserr_cb = cb;
638	}	1116	}
639		1117
640	static void noinline	1118	static void noinline ecb_cold
641	ev_syserr (const char *msg)	1119	ev_syserr (const char *msg)
642	{	1120	{
643	if (!msg)	1121	if (!msg)
644	msg = "(libev) system error";	1122	msg = "(libev) system error";
645		1123
…		…
676	free (ptr);	1154	free (ptr);
677	return 0;	1155	return 0;
678	#endif	1156	#endif
679	}	1157	}
680		1158
681	static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;	1159	static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul;
682		1160
683	void	1161	void ecb_cold
684	ev_set_allocator (void *(*cb)(void *ptr, long size))	1162	ev_set_allocator (void *(*cb)(void *ptr, long size)) EV_THROW
685	{	1163	{
686	alloc = cb;	1164	alloc = cb;
687	}	1165	}
688		1166
689	inline_speed void *	1167	inline_speed void *
…		…
777	#undef VAR	1255	#undef VAR
778	};	1256	};
779	#include "ev_wrap.h"	1257	#include "ev_wrap.h"
780		1258
781	static struct ev_loop default_loop_struct;	1259	static struct ev_loop default_loop_struct;
782	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 */
783		1261
784	#else	1262	#else
785		1263
786	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 */
787	#define VAR(name,decl) static decl;	1265	#define VAR(name,decl) static decl;
788	#include "ev_vars.h"	1266	#include "ev_vars.h"
789	#undef VAR	1267	#undef VAR
790		1268
791	static int ev_default_loop_ptr;	1269	static int ev_default_loop_ptr;
…		…
806		1284
807	/*****************************************************************************/	1285	/*****************************************************************************/
808		1286
809	#ifndef EV_HAVE_EV_TIME	1287	#ifndef EV_HAVE_EV_TIME
810	ev_tstamp	1288	ev_tstamp
811	ev_time (void)	1289	ev_time (void) EV_THROW
812	{	1290	{
813	#if EV_USE_REALTIME	1291	#if EV_USE_REALTIME
814	if (expect_true (have_realtime))	1292	if (expect_true (have_realtime))
815	{	1293	{
816	struct timespec ts;	1294	struct timespec ts;
…		…
840	return ev_time ();	1318	return ev_time ();
841	}	1319	}
842		1320
843	#if EV_MULTIPLICITY	1321	#if EV_MULTIPLICITY
844	ev_tstamp	1322	ev_tstamp
845	ev_now (EV_P)	1323	ev_now (EV_P) EV_THROW
846	{	1324	{
847	return ev_rt_now;	1325	return ev_rt_now;
848	}	1326	}
849	#endif	1327	#endif
850		1328
851	void	1329	void
852	ev_sleep (ev_tstamp delay)	1330	ev_sleep (ev_tstamp delay) EV_THROW
853	{	1331	{
854	if (delay > 0.)	1332	if (delay > 0.)
855	{	1333	{
856	#if EV_USE_NANOSLEEP	1334	#if EV_USE_NANOSLEEP
857	struct timespec ts;	1335	struct timespec ts;
858		1336
859	EV_TS_SET (ts, delay);	1337	EV_TS_SET (ts, delay);
860	nanosleep (&ts, 0);	1338	nanosleep (&ts, 0);
861	#elif defined(_WIN32)	1339	#elif defined _WIN32
862	Sleep ((unsigned long)(delay * 1e3));	1340	Sleep ((unsigned long)(delay * 1e3));
863	#else	1341	#else
864	struct timeval tv;	1342	struct timeval tv;
865		1343
866	/* 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 */
…		…
885		1363
886	do	1364	do
887	ncur <<= 1;	1365	ncur <<= 1;
888	while (cnt > ncur);	1366	while (cnt > ncur);
889		1367
890	/* 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 */
891	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)	1369	if (elem * ncur > MALLOC_ROUND - sizeof (void *) * 4)
892	{	1370	{
893	ncur *= elem;	1371	ncur *= elem;
894	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);
895	ncur = ncur - sizeof (void *) * 4;	1373	ncur = ncur - sizeof (void *) * 4;
…		…
897	}	1375	}
898		1376
899	return ncur;	1377	return ncur;
900	}	1378	}
901		1379
902	static noinline void *	1380	static void * noinline ecb_cold
903	array_realloc (int elem, void *base, int *cur, int cnt)	1381	array_realloc (int elem, void *base, int *cur, int cnt)
904	{	1382	{
905	*cur = array_nextsize (elem, *cur, cnt);	1383	*cur = array_nextsize (elem, *cur, cnt);
906	return ev_realloc (base, elem * *cur);	1384	return ev_realloc (base, elem * *cur);
907	}	1385	}
…		…
910	memset ((void *)(base), 0, sizeof (*(base)) * (count))	1388	memset ((void *)(base), 0, sizeof (*(base)) * (count))
911		1389
912	#define array_needsize(type,base,cur,cnt,init) \	1390	#define array_needsize(type,base,cur,cnt,init) \
913	if (expect_false ((cnt) > (cur))) \	1391	if (expect_false ((cnt) > (cur))) \
914	{ \	1392	{ \
915	int ocur_ = (cur); \	1393	int ecb_unused ocur_ = (cur); \
916	(base) = (type *)array_realloc \	1394	(base) = (type *)array_realloc \
917	(sizeof (type), (base), &(cur), (cnt)); \	1395	(sizeof (type), (base), &(cur), (cnt)); \
918	init ((base) + (ocur_), (cur) - ocur_); \	1396	init ((base) + (ocur_), (cur) - ocur_); \
919	}	1397	}
920		1398
…		…
938	pendingcb (EV_P_ ev_prepare *w, int revents)	1416	pendingcb (EV_P_ ev_prepare *w, int revents)
939	{	1417	{
940	}	1418	}
941		1419
942	void noinline	1420	void noinline
943	ev_feed_event (EV_P_ void *w, int revents)	1421	ev_feed_event (EV_P_ void *w, int revents) EV_THROW
944	{	1422	{
945	W w_ = (W)w;	1423	W w_ = (W)w;
946	int pri = ABSPRI (w_);	1424	int pri = ABSPRI (w_);
947		1425
948	if (expect_false (w_->pending))	1426	if (expect_false (w_->pending))
…		…
952	w_->pending = ++pendingcnt [pri];	1430	w_->pending = ++pendingcnt [pri];
953	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);	1431	array_needsize (ANPENDING, pendings [pri], pendingmax [pri], w_->pending, EMPTY2);
954	pendings [pri][w_->pending - 1].w = w_;	1432	pendings [pri][w_->pending - 1].w = w_;
955	pendings [pri][w_->pending - 1].events = revents;	1433	pendings [pri][w_->pending - 1].events = revents;
956	}	1434	}
		1435
		1436	pendingpri = NUMPRI - 1;
957	}	1437	}
958		1438
959	inline_speed void	1439	inline_speed void
960	feed_reverse (EV_P_ W w)	1440	feed_reverse (EV_P_ W w)
961	{	1441	{
…		…
1007	if (expect_true (!anfd->reify))	1487	if (expect_true (!anfd->reify))
1008	fd_event_nocheck (EV_A_ fd, revents);	1488	fd_event_nocheck (EV_A_ fd, revents);
1009	}	1489	}
1010		1490
1011	void	1491	void
1012	ev_feed_fd_event (EV_P_ int fd, int revents)	1492	ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW
1013	{	1493	{
1014	if (fd >= 0 && fd < anfdmax)	1494	if (fd >= 0 && fd < anfdmax)
1015	fd_event_nocheck (EV_A_ fd, revents);	1495	fd_event_nocheck (EV_A_ fd, revents);
1016	}	1496	}
1017		1497
…		…
1090	fdchanges [fdchangecnt - 1] = fd;	1570	fdchanges [fdchangecnt - 1] = fd;
1091	}	1571	}
1092	}	1572	}
1093		1573
1094	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	1574	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1095	inline_speed void	1575	inline_speed void ecb_cold
1096	fd_kill (EV_P_ int fd)	1576	fd_kill (EV_P_ int fd)
1097	{	1577	{
1098	ev_io *w;	1578	ev_io *w;
1099		1579
1100	while ((w = (ev_io *)anfds [fd].head))	1580	while ((w = (ev_io *)anfds [fd].head))
…		…
1103	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);	1583	ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1104	}	1584	}
1105	}	1585	}
1106		1586
1107	/* check whether the given fd is actually valid, for error recovery */	1587	/* check whether the given fd is actually valid, for error recovery */
1108	inline_size int	1588	inline_size int ecb_cold
1109	fd_valid (int fd)	1589	fd_valid (int fd)
1110	{	1590	{
1111	#ifdef _WIN32	1591	#ifdef _WIN32
1112	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	1592	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1113	#else	1593	#else
1114	return fcntl (fd, F_GETFD) != -1;	1594	return fcntl (fd, F_GETFD) != -1;
1115	#endif	1595	#endif
1116	}	1596	}
1117		1597
1118	/* called on EBADF to verify fds */	1598	/* called on EBADF to verify fds */
1119	static void noinline	1599	static void noinline ecb_cold
1120	fd_ebadf (EV_P)	1600	fd_ebadf (EV_P)
1121	{	1601	{
1122	int fd;	1602	int fd;
1123		1603
1124	for (fd = 0; fd < anfdmax; ++fd)	1604	for (fd = 0; fd < anfdmax; ++fd)
…		…
1126	if (!fd_valid (fd) && errno == EBADF)	1606	if (!fd_valid (fd) && errno == EBADF)
1127	fd_kill (EV_A_ fd);	1607	fd_kill (EV_A_ fd);
1128	}	1608	}
1129		1609
1130	/* called on ENOMEM in select/poll to kill some fds and retry */	1610	/* called on ENOMEM in select/poll to kill some fds and retry */
1131	static void noinline	1611	static void noinline ecb_cold
1132	fd_enomem (EV_P)	1612	fd_enomem (EV_P)
1133	{	1613	{
1134	int fd;	1614	int fd;
1135		1615
1136	for (fd = anfdmax; fd--; )	1616	for (fd = anfdmax; fd--; )
…		…
1331		1811
1332	/*****************************************************************************/	1812	/*****************************************************************************/
1333		1813
1334	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE	1814	#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
1335		1815
1336	static void noinline	1816	static void noinline ecb_cold
1337	evpipe_init (EV_P)	1817	evpipe_init (EV_P)
1338	{	1818	{
1339	if (!ev_is_active (&pipe_w))	1819	if (!ev_is_active (&pipe_w))
1340	{	1820	{
1341	# if EV_USE_EVENTFD	1821	# if EV_USE_EVENTFD
…		…
1363	ev_io_start (EV_A_ &pipe_w);	1843	ev_io_start (EV_A_ &pipe_w);
1364	ev_unref (EV_A); /* watcher should not keep loop alive */	1844	ev_unref (EV_A); /* watcher should not keep loop alive */
1365	}	1845	}
1366	}	1846	}
1367		1847
1368	inline_size void	1848	inline_speed void
1369	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1849	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1370	{	1850	{
1371	if (!*flag)	1851	ECB_MEMORY_FENCE; /* push out the write before this function was called, acquire flag */
1372	{	1852
		1853	if (expect_true (*flag))
		1854	return;
		1855
1373	*flag = 1;	1856	*flag = 1;
1374		1857
		1858	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		1859
1375	pipe_write_skipped = 1;	1860	pipe_write_skipped = 1;
1376		1861
		1862	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		1863
1377	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)
1378	{	1874	{
1379	int old_errno = errno; /* save errno because write will clobber it */
1380	char dummy;
1381
1382	pipe_write_skipped = 0;
1383
1384	#if EV_USE_EVENTFD
1385	if (evfd >= 0)
1386	{
1387	uint64_t counter = 1;	1875	uint64_t counter = 1;
1388	write (evfd, &counter, sizeof (uint64_t));	1876	write (evfd, &counter, sizeof (uint64_t));
1389	}
1390	else
1391	#endif
1392	{
1393	/* win32 people keep sending patches that change this write() to send() */
1394	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1395	/* so when you think this write should be a send instead, please find out */
1396	/* where your send() is from - it's definitely not the microsoft send, and */
1397	/* tell me. thank you. */
1398	write (evpipe [1], &dummy, 1);
1399	}
1400
1401	errno = old_errno;
1402	}	1877	}
		1878	else
		1879	#endif
		1880	{
		1881	#ifdef _WIN32
		1882	WSABUF buf;
		1883	DWORD sent;
		1884	buf.buf = &buf;
		1885	buf.len = 1;
		1886	WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
		1887	#else
		1888	write (evpipe [1], &(evpipe [1]), 1);
		1889	#endif
		1890	}
		1891
		1892	errno = old_errno;
1403	}	1893	}
1404	}	1894	}
1405		1895
1406	/* called whenever the libev signal pipe */	1896	/* called whenever the libev signal pipe */
1407	/* got some events (signal, async) */	1897	/* got some events (signal, async) */
…		…
1419	read (evfd, &counter, sizeof (uint64_t));	1909	read (evfd, &counter, sizeof (uint64_t));
1420	}	1910	}
1421	else	1911	else
1422	#endif	1912	#endif
1423	{	1913	{
1424	char dummy;	1914	char dummy[4];
1425	/* see discussion in evpipe_write when you think this read should be recv in win32 */	1915	#ifdef _WIN32
		1916	WSABUF buf;
		1917	DWORD recvd;
		1918	buf.buf = dummy;
		1919	buf.len = sizeof (dummy);
		1920	WSARecv (EV_FD_TO_WIN32_HANDLE (evpipe [0]), &buf, 1, &recvd, 0, 0, 0);
		1921	#else
1426	read (evpipe [0], &dummy, 1);	1922	read (evpipe [0], &dummy, sizeof (dummy));
		1923	#endif
1427	}	1924	}
1428	}	1925	}
1429		1926
1430	pipe_write_skipped = 0;	1927	pipe_write_skipped = 0;
		1928
		1929	ECB_MEMORY_FENCE; /* push out skipped, acquire flags */
1431		1930
1432	#if EV_SIGNAL_ENABLE	1931	#if EV_SIGNAL_ENABLE
1433	if (sig_pending)	1932	if (sig_pending)
1434	{	1933	{
1435	sig_pending = 0;	1934	sig_pending = 0;
		1935
		1936	ECB_MEMORY_FENCE_RELEASE;
1436		1937
1437	for (i = EV_NSIG - 1; i--; )	1938	for (i = EV_NSIG - 1; i--; )
1438	if (expect_false (signals [i].pending))	1939	if (expect_false (signals [i].pending))
1439	ev_feed_signal_event (EV_A_ i + 1);	1940	ev_feed_signal_event (EV_A_ i + 1);
1440	}	1941	}
…		…
1442		1943
1443	#if EV_ASYNC_ENABLE	1944	#if EV_ASYNC_ENABLE
1444	if (async_pending)	1945	if (async_pending)
1445	{	1946	{
1446	async_pending = 0;	1947	async_pending = 0;
		1948
		1949	ECB_MEMORY_FENCE_RELEASE;
1447		1950
1448	for (i = asynccnt; i--; )	1951	for (i = asynccnt; i--; )
1449	if (asyncs [i]->sent)	1952	if (asyncs [i]->sent)
1450	{	1953	{
1451	asyncs [i]->sent = 0;	1954	asyncs [i]->sent = 0;
…		…
1456	}	1959	}
1457		1960
1458	/*****************************************************************************/	1961	/*****************************************************************************/
1459		1962
1460	void	1963	void
1461	ev_feed_signal (int signum)	1964	ev_feed_signal (int signum) EV_THROW
1462	{	1965	{
1463	#if EV_MULTIPLICITY	1966	#if EV_MULTIPLICITY
1464	EV_P = signals [signum - 1].loop;	1967	EV_P = signals [signum - 1].loop;
1465		1968
1466	if (!EV_A)	1969	if (!EV_A)
1467	return;	1970	return;
1468	#endif	1971	#endif
1469		1972
1470	evpipe_init (EV_A);	1973	if (!ev_active (&pipe_w))
		1974	return;
1471		1975
1472	signals [signum - 1].pending = 1;	1976	signals [signum - 1].pending = 1;
1473	evpipe_write (EV_A_ &sig_pending);	1977	evpipe_write (EV_A_ &sig_pending);
1474	}	1978	}
1475		1979
…		…
1482		1986
1483	ev_feed_signal (signum);	1987	ev_feed_signal (signum);
1484	}	1988	}
1485		1989
1486	void noinline	1990	void noinline
1487	ev_feed_signal_event (EV_P_ int signum)	1991	ev_feed_signal_event (EV_P_ int signum) EV_THROW
1488	{	1992	{
1489	WL w;	1993	WL w;
1490		1994
1491	if (expect_false (signum <= 0 || signum > EV_NSIG))	1995	if (expect_false (signum <= 0 || signum > EV_NSIG))
1492	return;	1996	return;
…		…
1607	#endif	2111	#endif
1608	#if EV_USE_SELECT	2112	#if EV_USE_SELECT
1609	# include "ev_select.c"	2113	# include "ev_select.c"
1610	#endif	2114	#endif
1611		2115
1612	int	2116	int ecb_cold
1613	ev_version_major (void)	2117	ev_version_major (void) EV_THROW
1614	{	2118	{
1615	return EV_VERSION_MAJOR;	2119	return EV_VERSION_MAJOR;
1616	}	2120	}
1617		2121
1618	int	2122	int ecb_cold
1619	ev_version_minor (void)	2123	ev_version_minor (void) EV_THROW
1620	{	2124	{
1621	return EV_VERSION_MINOR;	2125	return EV_VERSION_MINOR;
1622	}	2126	}
1623		2127
1624	/* return true if we are running with elevated privileges and should ignore env variables */	2128	/* return true if we are running with elevated privileges and should ignore env variables */
1625	int inline_size	2129	int inline_size ecb_cold
1626	enable_secure (void)	2130	enable_secure (void)
1627	{	2131	{
1628	#ifdef _WIN32	2132	#ifdef _WIN32
1629	return 0;	2133	return 0;
1630	#else	2134	#else
1631	return getuid () != geteuid ()	2135	return getuid () != geteuid ()
1632	|| getgid () != getegid ();	2136	|| getgid () != getegid ();
1633	#endif	2137	#endif
1634	}	2138	}
1635		2139
1636	unsigned int	2140	unsigned int ecb_cold
1637	ev_supported_backends (void)	2141	ev_supported_backends (void) EV_THROW
1638	{	2142	{
1639	unsigned int flags = 0;	2143	unsigned int flags = 0;
1640		2144
1641	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;	2145	if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
1642	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;	2146	if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
…		…
1645	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;	2149	if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
1646		2150
1647	return flags;	2151	return flags;
1648	}	2152	}
1649		2153
1650	unsigned int	2154	unsigned int ecb_cold
1651	ev_recommended_backends (void)	2155	ev_recommended_backends (void) EV_THROW
1652	{	2156	{
1653	unsigned int flags = ev_supported_backends ();	2157	unsigned int flags = ev_supported_backends ();
1654		2158
1655	#ifndef __NetBSD__	2159	#ifndef __NetBSD__
1656	/* kqueue is borked on everything but netbsd apparently */	2160	/* kqueue is borked on everything but netbsd apparently */
…		…
1667	#endif	2171	#endif
1668		2172
1669	return flags;	2173	return flags;
1670	}	2174	}
1671		2175
1672	unsigned int	2176	unsigned int ecb_cold
1673	ev_embeddable_backends (void)	2177	ev_embeddable_backends (void) EV_THROW
1674	{	2178	{
1675	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;	2179	int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
1676		2180
1677	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2181	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
1678	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */	2182	if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
…		…
1680		2184
1681	return flags;	2185	return flags;
1682	}	2186	}
1683		2187
1684	unsigned int	2188	unsigned int
1685	ev_backend (EV_P)	2189	ev_backend (EV_P) EV_THROW
1686	{	2190	{
1687	return backend;	2191	return backend;
1688	}	2192	}
1689		2193
1690	#if EV_FEATURE_API	2194	#if EV_FEATURE_API
1691	unsigned int	2195	unsigned int
1692	ev_iteration (EV_P)	2196	ev_iteration (EV_P) EV_THROW
1693	{	2197	{
1694	return loop_count;	2198	return loop_count;
1695	}	2199	}
1696		2200
1697	unsigned int	2201	unsigned int
1698	ev_depth (EV_P)	2202	ev_depth (EV_P) EV_THROW
1699	{	2203	{
1700	return loop_depth;	2204	return loop_depth;
1701	}	2205	}
1702		2206
1703	void	2207	void
1704	ev_set_io_collect_interval (EV_P_ ev_tstamp interval)	2208	ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1705	{	2209	{
1706	io_blocktime = interval;	2210	io_blocktime = interval;
1707	}	2211	}
1708		2212
1709	void	2213	void
1710	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval)	2214	ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW
1711	{	2215	{
1712	timeout_blocktime = interval;	2216	timeout_blocktime = interval;
1713	}	2217	}
1714		2218
1715	void	2219	void
1716	ev_set_userdata (EV_P_ void *data)	2220	ev_set_userdata (EV_P_ void *data) EV_THROW
1717	{	2221	{
1718	userdata = data;	2222	userdata = data;
1719	}	2223	}
1720		2224
1721	void *	2225	void *
1722	ev_userdata (EV_P)	2226	ev_userdata (EV_P) EV_THROW
1723	{	2227	{
1724	return userdata;	2228	return userdata;
1725	}	2229	}
1726		2230
		2231	void
1727	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2232	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P)) EV_THROW
1728	{	2233	{
1729	invoke_cb = invoke_pending_cb;	2234	invoke_cb = invoke_pending_cb;
1730	}	2235	}
1731		2236
		2237	void
1732	void ev_set_loop_release_cb (EV_P_ void (*release)(EV_P), void (*acquire)(EV_P))	2238	ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW
1733	{	2239	{
1734	release_cb = release;	2240	release_cb = release;
1735	acquire_cb = acquire;	2241	acquire_cb = acquire;
1736	}	2242	}
1737	#endif	2243	#endif
1738		2244
1739	/* initialise a loop structure, must be zero-initialised */	2245	/* initialise a loop structure, must be zero-initialised */
1740	static void noinline	2246	static void noinline ecb_cold
1741	loop_init (EV_P_ unsigned int flags)	2247	loop_init (EV_P_ unsigned int flags) EV_THROW
1742	{	2248	{
1743	if (!backend)	2249	if (!backend)
1744	{	2250	{
1745	origflags = flags;	2251	origflags = flags;
1746		2252
…		…
1830	#endif	2336	#endif
1831	}	2337	}
1832	}	2338	}
1833		2339
1834	/* free up a loop structure */	2340	/* free up a loop structure */
1835	void	2341	void ecb_cold
1836	ev_loop_destroy (EV_P)	2342	ev_loop_destroy (EV_P)
1837	{	2343	{
1838	int i;	2344	int i;
1839		2345
1840	#if EV_MULTIPLICITY	2346	#if EV_MULTIPLICITY
…		…
1998	postfork = 0;	2504	postfork = 0;
1999	}	2505	}
2000		2506
2001	#if EV_MULTIPLICITY	2507	#if EV_MULTIPLICITY
2002		2508
2003	struct ev_loop *	2509	struct ev_loop * ecb_cold
2004	ev_loop_new (unsigned int flags)	2510	ev_loop_new (unsigned int flags) EV_THROW
2005	{	2511	{
2006	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2512	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2007		2513
2008	memset (EV_A, 0, sizeof (struct ev_loop));	2514	memset (EV_A, 0, sizeof (struct ev_loop));
2009	loop_init (EV_A_ flags);	2515	loop_init (EV_A_ flags);
…		…
2016	}	2522	}
2017		2523
2018	#endif /* multiplicity */	2524	#endif /* multiplicity */
2019		2525
2020	#if EV_VERIFY	2526	#if EV_VERIFY
2021	static void noinline	2527	static void noinline ecb_cold
2022	verify_watcher (EV_P_ W w)	2528	verify_watcher (EV_P_ W w)
2023	{	2529	{
2024	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	2530	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2025		2531
2026	if (w->pending)	2532	if (w->pending)
2027	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	2533	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2028	}	2534	}
2029		2535
2030	static void noinline	2536	static void noinline ecb_cold
2031	verify_heap (EV_P_ ANHE *heap, int N)	2537	verify_heap (EV_P_ ANHE *heap, int N)
2032	{	2538	{
2033	int i;	2539	int i;
2034		2540
2035	for (i = HEAP0; i < N + HEAP0; ++i)	2541	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
2040		2546
2041	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	2547	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2042	}	2548	}
2043	}	2549	}
2044		2550
2045	static void noinline	2551	static void noinline ecb_cold
2046	array_verify (EV_P_ W *ws, int cnt)	2552	array_verify (EV_P_ W *ws, int cnt)
2047	{	2553	{
2048	while (cnt--)	2554	while (cnt--)
2049	{	2555	{
2050	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	2556	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
2052	}	2558	}
2053	}	2559	}
2054	#endif	2560	#endif
2055		2561
2056	#if EV_FEATURE_API	2562	#if EV_FEATURE_API
2057	void	2563	void ecb_cold
2058	ev_verify (EV_P)	2564	ev_verify (EV_P) EV_THROW
2059	{	2565	{
2060	#if EV_VERIFY	2566	#if EV_VERIFY
2061	int i;	2567	int i, j;
2062	WL w;	2568	WL w, w2;
2063		2569
2064	assert (activecnt >= -1);	2570	assert (activecnt >= -1);
2065		2571
2066	assert (fdchangemax >= fdchangecnt);	2572	assert (fdchangemax >= fdchangecnt);
2067	for (i = 0; i < fdchangecnt; ++i)	2573	for (i = 0; i < fdchangecnt; ++i)
2068	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));	2574	assert (("libev: negative fd in fdchanges", fdchanges [i] >= 0));
2069		2575
2070	assert (anfdmax >= 0);	2576	assert (anfdmax >= 0);
2071	for (i = 0; i < anfdmax; ++i)	2577	for (i = j = 0; i < anfdmax; ++i)
2072	for (w = anfds [i].head; w; w = w->next)	2578	for (w = w2 = anfds [i].head; w; w = w->next)
2073	{	2579	{
2074	verify_watcher (EV_A_ (W)w);	2580	verify_watcher (EV_A_ (W)w);
		2581
		2582	if (++j & 1)
		2583	w2 = w2->next;
		2584
		2585	assert (("libev: io watcher list contains a loop", w != w2));
2075	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));	2586	assert (("libev: inactive fd watcher on anfd list", ev_active (w) == 1));
2076	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));	2587	assert (("libev: fd mismatch between watcher and anfd", ((ev_io *)w)->fd == i));
2077	}	2588	}
2078		2589
2079	assert (timermax >= timercnt);	2590	assert (timermax >= timercnt);
…		…
2128	#endif	2639	#endif
2129	}	2640	}
2130	#endif	2641	#endif
2131		2642
2132	#if EV_MULTIPLICITY	2643	#if EV_MULTIPLICITY
2133	struct ev_loop *	2644	struct ev_loop * ecb_cold
2134	#else	2645	#else
2135	int	2646	int
2136	#endif	2647	#endif
2137	ev_default_loop (unsigned int flags)	2648	ev_default_loop (unsigned int flags) EV_THROW
2138	{	2649	{
2139	if (!ev_default_loop_ptr)	2650	if (!ev_default_loop_ptr)
2140	{	2651	{
2141	#if EV_MULTIPLICITY	2652	#if EV_MULTIPLICITY
2142	EV_P = ev_default_loop_ptr = &default_loop_struct;	2653	EV_P = ev_default_loop_ptr = &default_loop_struct;
…		…
2161		2672
2162	return ev_default_loop_ptr;	2673	return ev_default_loop_ptr;
2163	}	2674	}
2164		2675
2165	void	2676	void
2166	ev_loop_fork (EV_P)	2677	ev_loop_fork (EV_P) EV_THROW
2167	{	2678	{
2168	postfork = 1; /* must be in line with ev_default_fork */	2679	postfork = 1; /* must be in line with ev_default_fork */
2169	}	2680	}
2170		2681
2171	/*****************************************************************************/	2682	/*****************************************************************************/
…		…
2175	{	2686	{
2176	EV_CB_INVOKE ((W)w, revents);	2687	EV_CB_INVOKE ((W)w, revents);
2177	}	2688	}
2178		2689
2179	unsigned int	2690	unsigned int
2180	ev_pending_count (EV_P)	2691	ev_pending_count (EV_P) EV_THROW
2181	{	2692	{
2182	int pri;	2693	int pri;
2183	unsigned int count = 0;	2694	unsigned int count = 0;
2184		2695
2185	for (pri = NUMPRI; pri--; )	2696	for (pri = NUMPRI; pri--; )
…		…
2189	}	2700	}
2190		2701
2191	void noinline	2702	void noinline
2192	ev_invoke_pending (EV_P)	2703	ev_invoke_pending (EV_P)
2193	{	2704	{
2194	int pri;	2705	for (pendingpri = NUMPRI; pendingpri--; ) /* pendingpri is modified during the loop */
2195
2196	for (pri = NUMPRI; pri--; )
2197	while (pendingcnt [pri])	2706	while (pendingcnt [pendingpri])
2198	{	2707	{
2199	ANPENDING *p = pendings [pri] + --pendingcnt [pri];	2708	ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
2200		2709
2201	p->w->pending = 0;	2710	p->w->pending = 0;
2202	EV_CB_INVOKE (p->w, p->events);	2711	EV_CB_INVOKE (p->w, p->events);
2203	EV_FREQUENT_CHECK;	2712	EV_FREQUENT_CHECK;
2204	}	2713	}
…		…
2337	}	2846	}
2338	}	2847	}
2339		2848
2340	/* simply recalculate all periodics */	2849	/* simply recalculate all periodics */
2341	/* TODO: maybe ensure that at least one event happens when jumping forward? */	2850	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2342	static void noinline	2851	static void noinline ecb_cold
2343	periodics_reschedule (EV_P)	2852	periodics_reschedule (EV_P)
2344	{	2853	{
2345	int i;	2854	int i;
2346		2855
2347	/* adjust periodics after time jump */	2856	/* adjust periodics after time jump */
…		…
2360	reheap (periodics, periodiccnt);	2869	reheap (periodics, periodiccnt);
2361	}	2870	}
2362	#endif	2871	#endif
2363		2872
2364	/* adjust all timers by a given offset */	2873	/* adjust all timers by a given offset */
2365	static void noinline	2874	static void noinline ecb_cold
2366	timers_reschedule (EV_P_ ev_tstamp adjust)	2875	timers_reschedule (EV_P_ ev_tstamp adjust)
2367	{	2876	{
2368	int i;	2877	int i;
2369		2878
2370	for (i = 0; i < timercnt; ++i)	2879	for (i = 0; i < timercnt; ++i)
…		…
2444		2953
2445	mn_now = ev_rt_now;	2954	mn_now = ev_rt_now;
2446	}	2955	}
2447	}	2956	}
2448		2957
2449	void	2958	int
2450	ev_run (EV_P_ int flags)	2959	ev_run (EV_P_ int flags)
2451	{	2960	{
2452	#if EV_FEATURE_API	2961	#if EV_FEATURE_API
2453	++loop_depth;	2962	++loop_depth;
2454	#endif	2963	#endif
…		…
2515	time_update (EV_A_ 1e100);	3024	time_update (EV_A_ 1e100);
2516		3025
2517	/* from now on, we want a pipe-wake-up */	3026	/* from now on, we want a pipe-wake-up */
2518	pipe_write_wanted = 1;	3027	pipe_write_wanted = 1;
2519		3028
		3029	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
		3030
2520	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))	3031	if (expect_true (!(flags & EVRUN_NOWAIT || idleall || !activecnt || pipe_write_skipped)))
2521	{	3032	{
2522	waittime = MAX_BLOCKTIME;	3033	waittime = MAX_BLOCKTIME;
2523		3034
2524	if (timercnt)	3035	if (timercnt)
…		…
2565	#endif	3076	#endif
2566	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	3077	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2567	backend_poll (EV_A_ waittime);	3078	backend_poll (EV_A_ waittime);
2568	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	3079	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
2569		3080
2570	pipe_write_wanted = 0;	3081	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
2571		3082
2572	if (pipe_write_skipped)	3083	if (pipe_write_skipped)
2573	{	3084	{
2574	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));	3085	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
2575	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);	3086	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
…		…
2609	loop_done = EVBREAK_CANCEL;	3120	loop_done = EVBREAK_CANCEL;
2610		3121
2611	#if EV_FEATURE_API	3122	#if EV_FEATURE_API
2612	--loop_depth;	3123	--loop_depth;
2613	#endif	3124	#endif
		3125
		3126	return activecnt;
2614	}	3127	}
2615		3128
2616	void	3129	void
2617	ev_break (EV_P_ int how)	3130	ev_break (EV_P_ int how) EV_THROW
2618	{	3131	{
2619	loop_done = how;	3132	loop_done = how;
2620	}	3133	}
2621		3134
2622	void	3135	void
2623	ev_ref (EV_P)	3136	ev_ref (EV_P) EV_THROW
2624	{	3137	{
2625	++activecnt;	3138	++activecnt;
2626	}	3139	}
2627		3140
2628	void	3141	void
2629	ev_unref (EV_P)	3142	ev_unref (EV_P) EV_THROW
2630	{	3143	{
2631	--activecnt;	3144	--activecnt;
2632	}	3145	}
2633		3146
2634	void	3147	void
2635	ev_now_update (EV_P)	3148	ev_now_update (EV_P) EV_THROW
2636	{	3149	{
2637	time_update (EV_A_ 1e100);	3150	time_update (EV_A_ 1e100);
2638	}	3151	}
2639		3152
2640	void	3153	void
2641	ev_suspend (EV_P)	3154	ev_suspend (EV_P) EV_THROW
2642	{	3155	{
2643	ev_now_update (EV_A);	3156	ev_now_update (EV_A);
2644	}	3157	}
2645		3158
2646	void	3159	void
2647	ev_resume (EV_P)	3160	ev_resume (EV_P) EV_THROW
2648	{	3161	{
2649	ev_tstamp mn_prev = mn_now;	3162	ev_tstamp mn_prev = mn_now;
2650		3163
2651	ev_now_update (EV_A);	3164	ev_now_update (EV_A);
2652	timers_reschedule (EV_A_ mn_now - mn_prev);	3165	timers_reschedule (EV_A_ mn_now - mn_prev);
…		…
2691	w->pending = 0;	3204	w->pending = 0;
2692	}	3205	}
2693	}	3206	}
2694		3207
2695	int	3208	int
2696	ev_clear_pending (EV_P_ void *w)	3209	ev_clear_pending (EV_P_ void *w) EV_THROW
2697	{	3210	{
2698	W w_ = (W)w;	3211	W w_ = (W)w;
2699	int pending = w_->pending;	3212	int pending = w_->pending;
2700		3213
2701	if (expect_true (pending))	3214	if (expect_true (pending))
…		…
2734	}	3247	}
2735		3248
2736	/*****************************************************************************/	3249	/*****************************************************************************/
2737		3250
2738	void noinline	3251	void noinline
2739	ev_io_start (EV_P_ ev_io *w)	3252	ev_io_start (EV_P_ ev_io *w) EV_THROW
2740	{	3253	{
2741	int fd = w->fd;	3254	int fd = w->fd;
2742		3255
2743	if (expect_false (ev_is_active (w)))	3256	if (expect_false (ev_is_active (w)))
2744	return;	3257	return;
…		…
2750		3263
2751	ev_start (EV_A_ (W)w, 1);	3264	ev_start (EV_A_ (W)w, 1);
2752	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);	3265	array_needsize (ANFD, anfds, anfdmax, fd + 1, array_init_zero);
2753	wlist_add (&anfds[fd].head, (WL)w);	3266	wlist_add (&anfds[fd].head, (WL)w);
2754		3267
		3268	/* common bug, apparently */
		3269	assert (("libev: ev_io_start called with corrupted watcher", ((WL)w)->next != (WL)w));
		3270
2755	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);	3271	fd_change (EV_A_ fd, w->events & EV__IOFDSET | EV_ANFD_REIFY);
2756	w->events &= ~EV__IOFDSET;	3272	w->events &= ~EV__IOFDSET;
2757		3273
2758	EV_FREQUENT_CHECK;	3274	EV_FREQUENT_CHECK;
2759	}	3275	}
2760		3276
2761	void noinline	3277	void noinline
2762	ev_io_stop (EV_P_ ev_io *w)	3278	ev_io_stop (EV_P_ ev_io *w) EV_THROW
2763	{	3279	{
2764	clear_pending (EV_A_ (W)w);	3280	clear_pending (EV_A_ (W)w);
2765	if (expect_false (!ev_is_active (w)))	3281	if (expect_false (!ev_is_active (w)))
2766	return;	3282	return;
2767		3283
…		…
2776		3292
2777	EV_FREQUENT_CHECK;	3293	EV_FREQUENT_CHECK;
2778	}	3294	}
2779		3295
2780	void noinline	3296	void noinline
2781	ev_timer_start (EV_P_ ev_timer *w)	3297	ev_timer_start (EV_P_ ev_timer *w) EV_THROW
2782	{	3298	{
2783	if (expect_false (ev_is_active (w)))	3299	if (expect_false (ev_is_active (w)))
2784	return;	3300	return;
2785		3301
2786	ev_at (w) += mn_now;	3302	ev_at (w) += mn_now;
…		…
2800		3316
2801	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/	3317	/*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
2802	}	3318	}
2803		3319
2804	void noinline	3320	void noinline
2805	ev_timer_stop (EV_P_ ev_timer *w)	3321	ev_timer_stop (EV_P_ ev_timer *w) EV_THROW
2806	{	3322	{
2807	clear_pending (EV_A_ (W)w);	3323	clear_pending (EV_A_ (W)w);
2808	if (expect_false (!ev_is_active (w)))	3324	if (expect_false (!ev_is_active (w)))
2809	return;	3325	return;
2810		3326
…		…
2830		3346
2831	EV_FREQUENT_CHECK;	3347	EV_FREQUENT_CHECK;
2832	}	3348	}
2833		3349
2834	void noinline	3350	void noinline
2835	ev_timer_again (EV_P_ ev_timer *w)	3351	ev_timer_again (EV_P_ ev_timer *w) EV_THROW
2836	{	3352	{
2837	EV_FREQUENT_CHECK;	3353	EV_FREQUENT_CHECK;
		3354
		3355	clear_pending (EV_A_ (W)w);
2838		3356
2839	if (ev_is_active (w))	3357	if (ev_is_active (w))
2840	{	3358	{
2841	if (w->repeat)	3359	if (w->repeat)
2842	{	3360	{
…		…
2855		3373
2856	EV_FREQUENT_CHECK;	3374	EV_FREQUENT_CHECK;
2857	}	3375	}
2858		3376
2859	ev_tstamp	3377	ev_tstamp
2860	ev_timer_remaining (EV_P_ ev_timer *w)	3378	ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW
2861	{	3379	{
2862	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);	3380	return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
2863	}	3381	}
2864		3382
2865	#if EV_PERIODIC_ENABLE	3383	#if EV_PERIODIC_ENABLE
2866	void noinline	3384	void noinline
2867	ev_periodic_start (EV_P_ ev_periodic *w)	3385	ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW
2868	{	3386	{
2869	if (expect_false (ev_is_active (w)))	3387	if (expect_false (ev_is_active (w)))
2870	return;	3388	return;
2871		3389
2872	if (w->reschedule_cb)	3390	if (w->reschedule_cb)
…		…
2892		3410
2893	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/	3411	/*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
2894	}	3412	}
2895		3413
2896	void noinline	3414	void noinline
2897	ev_periodic_stop (EV_P_ ev_periodic *w)	3415	ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW
2898	{	3416	{
2899	clear_pending (EV_A_ (W)w);	3417	clear_pending (EV_A_ (W)w);
2900	if (expect_false (!ev_is_active (w)))	3418	if (expect_false (!ev_is_active (w)))
2901	return;	3419	return;
2902		3420
…		…
2920		3438
2921	EV_FREQUENT_CHECK;	3439	EV_FREQUENT_CHECK;
2922	}	3440	}
2923		3441
2924	void noinline	3442	void noinline
2925	ev_periodic_again (EV_P_ ev_periodic *w)	3443	ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW
2926	{	3444	{
2927	/* TODO: use adjustheap and recalculation */	3445	/* TODO: use adjustheap and recalculation */
2928	ev_periodic_stop (EV_A_ w);	3446	ev_periodic_stop (EV_A_ w);
2929	ev_periodic_start (EV_A_ w);	3447	ev_periodic_start (EV_A_ w);
2930	}	3448	}
…		…
2935	#endif	3453	#endif
2936		3454
2937	#if EV_SIGNAL_ENABLE	3455	#if EV_SIGNAL_ENABLE
2938		3456
2939	void noinline	3457	void noinline
2940	ev_signal_start (EV_P_ ev_signal *w)	3458	ev_signal_start (EV_P_ ev_signal *w) EV_THROW
2941	{	3459	{
2942	if (expect_false (ev_is_active (w)))	3460	if (expect_false (ev_is_active (w)))
2943	return;	3461	return;
2944		3462
2945	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));	3463	assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
…		…
3016		3534
3017	EV_FREQUENT_CHECK;	3535	EV_FREQUENT_CHECK;
3018	}	3536	}
3019		3537
3020	void noinline	3538	void noinline
3021	ev_signal_stop (EV_P_ ev_signal *w)	3539	ev_signal_stop (EV_P_ ev_signal *w) EV_THROW
3022	{	3540	{
3023	clear_pending (EV_A_ (W)w);	3541	clear_pending (EV_A_ (W)w);
3024	if (expect_false (!ev_is_active (w)))	3542	if (expect_false (!ev_is_active (w)))
3025	return;	3543	return;
3026		3544
…		…
3057	#endif	3575	#endif
3058		3576
3059	#if EV_CHILD_ENABLE	3577	#if EV_CHILD_ENABLE
3060		3578
3061	void	3579	void
3062	ev_child_start (EV_P_ ev_child *w)	3580	ev_child_start (EV_P_ ev_child *w) EV_THROW
3063	{	3581	{
3064	#if EV_MULTIPLICITY	3582	#if EV_MULTIPLICITY
3065	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));	3583	assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3066	#endif	3584	#endif
3067	if (expect_false (ev_is_active (w)))	3585	if (expect_false (ev_is_active (w)))
…		…
3074		3592
3075	EV_FREQUENT_CHECK;	3593	EV_FREQUENT_CHECK;
3076	}	3594	}
3077		3595
3078	void	3596	void
3079	ev_child_stop (EV_P_ ev_child *w)	3597	ev_child_stop (EV_P_ ev_child *w) EV_THROW
3080	{	3598	{
3081	clear_pending (EV_A_ (W)w);	3599	clear_pending (EV_A_ (W)w);
3082	if (expect_false (!ev_is_active (w)))	3600	if (expect_false (!ev_is_active (w)))
3083	return;	3601	return;
3084		3602
…		…
3236	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3754	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3237	ofs += sizeof (struct inotify_event) + ev->len;	3755	ofs += sizeof (struct inotify_event) + ev->len;
3238	}	3756	}
3239	}	3757	}
3240		3758
3241	inline_size void	3759	inline_size void ecb_cold
3242	ev_check_2625 (EV_P)	3760	ev_check_2625 (EV_P)
3243	{	3761	{
3244	/* kernels < 2.6.25 are borked	3762	/* kernels < 2.6.25 are borked
3245	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3763	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3246	*/	3764	*/
…		…
3251	}	3769	}
3252		3770
3253	inline_size int	3771	inline_size int
3254	infy_newfd (void)	3772	infy_newfd (void)
3255	{	3773	{
3256	#if defined (IN_CLOEXEC) && defined (IN_NONBLOCK)	3774	#if defined IN_CLOEXEC && defined IN_NONBLOCK
3257	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);	3775	int fd = inotify_init1 (IN_CLOEXEC | IN_NONBLOCK);
3258	if (fd >= 0)	3776	if (fd >= 0)
3259	return fd;	3777	return fd;
3260	#endif	3778	#endif
3261	return inotify_init ();	3779	return inotify_init ();
…		…
3336	#else	3854	#else
3337	# define EV_LSTAT(p,b) lstat (p, b)	3855	# define EV_LSTAT(p,b) lstat (p, b)
3338	#endif	3856	#endif
3339		3857
3340	void	3858	void
3341	ev_stat_stat (EV_P_ ev_stat *w)	3859	ev_stat_stat (EV_P_ ev_stat *w) EV_THROW
3342	{	3860	{
3343	if (lstat (w->path, &w->attr) < 0)	3861	if (lstat (w->path, &w->attr) < 0)
3344	w->attr.st_nlink = 0;	3862	w->attr.st_nlink = 0;
3345	else if (!w->attr.st_nlink)	3863	else if (!w->attr.st_nlink)
3346	w->attr.st_nlink = 1;	3864	w->attr.st_nlink = 1;
…		…
3385	ev_feed_event (EV_A_ w, EV_STAT);	3903	ev_feed_event (EV_A_ w, EV_STAT);
3386	}	3904	}
3387	}	3905	}
3388		3906
3389	void	3907	void
3390	ev_stat_start (EV_P_ ev_stat *w)	3908	ev_stat_start (EV_P_ ev_stat *w) EV_THROW
3391	{	3909	{
3392	if (expect_false (ev_is_active (w)))	3910	if (expect_false (ev_is_active (w)))
3393	return;	3911	return;
3394		3912
3395	ev_stat_stat (EV_A_ w);	3913	ev_stat_stat (EV_A_ w);
…		…
3416		3934
3417	EV_FREQUENT_CHECK;	3935	EV_FREQUENT_CHECK;
3418	}	3936	}
3419		3937
3420	void	3938	void
3421	ev_stat_stop (EV_P_ ev_stat *w)	3939	ev_stat_stop (EV_P_ ev_stat *w) EV_THROW
3422	{	3940	{
3423	clear_pending (EV_A_ (W)w);	3941	clear_pending (EV_A_ (W)w);
3424	if (expect_false (!ev_is_active (w)))	3942	if (expect_false (!ev_is_active (w)))
3425	return;	3943	return;
3426		3944
…		…
3442	}	3960	}
3443	#endif	3961	#endif
3444		3962
3445	#if EV_IDLE_ENABLE	3963	#if EV_IDLE_ENABLE
3446	void	3964	void
3447	ev_idle_start (EV_P_ ev_idle *w)	3965	ev_idle_start (EV_P_ ev_idle *w) EV_THROW
3448	{	3966	{
3449	if (expect_false (ev_is_active (w)))	3967	if (expect_false (ev_is_active (w)))
3450	return;	3968	return;
3451		3969
3452	pri_adjust (EV_A_ (W)w);	3970	pri_adjust (EV_A_ (W)w);
…		…
3465		3983
3466	EV_FREQUENT_CHECK;	3984	EV_FREQUENT_CHECK;
3467	}	3985	}
3468		3986
3469	void	3987	void
3470	ev_idle_stop (EV_P_ ev_idle *w)	3988	ev_idle_stop (EV_P_ ev_idle *w) EV_THROW
3471	{	3989	{
3472	clear_pending (EV_A_ (W)w);	3990	clear_pending (EV_A_ (W)w);
3473	if (expect_false (!ev_is_active (w)))	3991	if (expect_false (!ev_is_active (w)))
3474	return;	3992	return;
3475		3993
…		…
3489	}	4007	}
3490	#endif	4008	#endif
3491		4009
3492	#if EV_PREPARE_ENABLE	4010	#if EV_PREPARE_ENABLE
3493	void	4011	void
3494	ev_prepare_start (EV_P_ ev_prepare *w)	4012	ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW
3495	{	4013	{
3496	if (expect_false (ev_is_active (w)))	4014	if (expect_false (ev_is_active (w)))
3497	return;	4015	return;
3498		4016
3499	EV_FREQUENT_CHECK;	4017	EV_FREQUENT_CHECK;
…		…
3504		4022
3505	EV_FREQUENT_CHECK;	4023	EV_FREQUENT_CHECK;
3506	}	4024	}
3507		4025
3508	void	4026	void
3509	ev_prepare_stop (EV_P_ ev_prepare *w)	4027	ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW
3510	{	4028	{
3511	clear_pending (EV_A_ (W)w);	4029	clear_pending (EV_A_ (W)w);
3512	if (expect_false (!ev_is_active (w)))	4030	if (expect_false (!ev_is_active (w)))
3513	return;	4031	return;
3514		4032
…		…
3527	}	4045	}
3528	#endif	4046	#endif
3529		4047
3530	#if EV_CHECK_ENABLE	4048	#if EV_CHECK_ENABLE
3531	void	4049	void
3532	ev_check_start (EV_P_ ev_check *w)	4050	ev_check_start (EV_P_ ev_check *w) EV_THROW
3533	{	4051	{
3534	if (expect_false (ev_is_active (w)))	4052	if (expect_false (ev_is_active (w)))
3535	return;	4053	return;
3536		4054
3537	EV_FREQUENT_CHECK;	4055	EV_FREQUENT_CHECK;
…		…
3542		4060
3543	EV_FREQUENT_CHECK;	4061	EV_FREQUENT_CHECK;
3544	}	4062	}
3545		4063
3546	void	4064	void
3547	ev_check_stop (EV_P_ ev_check *w)	4065	ev_check_stop (EV_P_ ev_check *w) EV_THROW
3548	{	4066	{
3549	clear_pending (EV_A_ (W)w);	4067	clear_pending (EV_A_ (W)w);
3550	if (expect_false (!ev_is_active (w)))	4068	if (expect_false (!ev_is_active (w)))
3551	return;	4069	return;
3552		4070
…		…
3565	}	4083	}
3566	#endif	4084	#endif
3567		4085
3568	#if EV_EMBED_ENABLE	4086	#if EV_EMBED_ENABLE
3569	void noinline	4087	void noinline
3570	ev_embed_sweep (EV_P_ ev_embed *w)	4088	ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW
3571	{	4089	{
3572	ev_run (w->other, EVRUN_NOWAIT);	4090	ev_run (w->other, EVRUN_NOWAIT);
3573	}	4091	}
3574		4092
3575	static void	4093	static void
…		…
3623	ev_idle_stop (EV_A_ idle);	4141	ev_idle_stop (EV_A_ idle);
3624	}	4142	}
3625	#endif	4143	#endif
3626		4144
3627	void	4145	void
3628	ev_embed_start (EV_P_ ev_embed *w)	4146	ev_embed_start (EV_P_ ev_embed *w) EV_THROW
3629	{	4147	{
3630	if (expect_false (ev_is_active (w)))	4148	if (expect_false (ev_is_active (w)))
3631	return;	4149	return;
3632		4150
3633	{	4151	{
…		…
3654		4172
3655	EV_FREQUENT_CHECK;	4173	EV_FREQUENT_CHECK;
3656	}	4174	}
3657		4175
3658	void	4176	void
3659	ev_embed_stop (EV_P_ ev_embed *w)	4177	ev_embed_stop (EV_P_ ev_embed *w) EV_THROW
3660	{	4178	{
3661	clear_pending (EV_A_ (W)w);	4179	clear_pending (EV_A_ (W)w);
3662	if (expect_false (!ev_is_active (w)))	4180	if (expect_false (!ev_is_active (w)))
3663	return;	4181	return;
3664		4182
…		…
3674	}	4192	}
3675	#endif	4193	#endif
3676		4194
3677	#if EV_FORK_ENABLE	4195	#if EV_FORK_ENABLE
3678	void	4196	void
3679	ev_fork_start (EV_P_ ev_fork *w)	4197	ev_fork_start (EV_P_ ev_fork *w) EV_THROW
3680	{	4198	{
3681	if (expect_false (ev_is_active (w)))	4199	if (expect_false (ev_is_active (w)))
3682	return;	4200	return;
3683		4201
3684	EV_FREQUENT_CHECK;	4202	EV_FREQUENT_CHECK;
…		…
3689		4207
3690	EV_FREQUENT_CHECK;	4208	EV_FREQUENT_CHECK;
3691	}	4209	}
3692		4210
3693	void	4211	void
3694	ev_fork_stop (EV_P_ ev_fork *w)	4212	ev_fork_stop (EV_P_ ev_fork *w) EV_THROW
3695	{	4213	{
3696	clear_pending (EV_A_ (W)w);	4214	clear_pending (EV_A_ (W)w);
3697	if (expect_false (!ev_is_active (w)))	4215	if (expect_false (!ev_is_active (w)))
3698	return;	4216	return;
3699		4217
…		…
3712	}	4230	}
3713	#endif	4231	#endif
3714		4232
3715	#if EV_CLEANUP_ENABLE	4233	#if EV_CLEANUP_ENABLE
3716	void	4234	void
3717	ev_cleanup_start (EV_P_ ev_cleanup *w)	4235	ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW
3718	{	4236	{
3719	if (expect_false (ev_is_active (w)))	4237	if (expect_false (ev_is_active (w)))
3720	return;	4238	return;
3721		4239
3722	EV_FREQUENT_CHECK;	4240	EV_FREQUENT_CHECK;
…		…
3729	ev_unref (EV_A);	4247	ev_unref (EV_A);
3730	EV_FREQUENT_CHECK;	4248	EV_FREQUENT_CHECK;
3731	}	4249	}
3732		4250
3733	void	4251	void
3734	ev_cleanup_stop (EV_P_ ev_cleanup *w)	4252	ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW
3735	{	4253	{
3736	clear_pending (EV_A_ (W)w);	4254	clear_pending (EV_A_ (W)w);
3737	if (expect_false (!ev_is_active (w)))	4255	if (expect_false (!ev_is_active (w)))
3738	return;	4256	return;
3739		4257
…		…
3753	}	4271	}
3754	#endif	4272	#endif
3755		4273
3756	#if EV_ASYNC_ENABLE	4274	#if EV_ASYNC_ENABLE
3757	void	4275	void
3758	ev_async_start (EV_P_ ev_async *w)	4276	ev_async_start (EV_P_ ev_async *w) EV_THROW
3759	{	4277	{
3760	if (expect_false (ev_is_active (w)))	4278	if (expect_false (ev_is_active (w)))
3761	return;	4279	return;
3762		4280
3763	w->sent = 0;	4281	w->sent = 0;
…		…
3772		4290
3773	EV_FREQUENT_CHECK;	4291	EV_FREQUENT_CHECK;
3774	}	4292	}
3775		4293
3776	void	4294	void
3777	ev_async_stop (EV_P_ ev_async *w)	4295	ev_async_stop (EV_P_ ev_async *w) EV_THROW
3778	{	4296	{
3779	clear_pending (EV_A_ (W)w);	4297	clear_pending (EV_A_ (W)w);
3780	if (expect_false (!ev_is_active (w)))	4298	if (expect_false (!ev_is_active (w)))
3781	return;	4299	return;
3782		4300
…		…
3793		4311
3794	EV_FREQUENT_CHECK;	4312	EV_FREQUENT_CHECK;
3795	}	4313	}
3796		4314
3797	void	4315	void
3798	ev_async_send (EV_P_ ev_async *w)	4316	ev_async_send (EV_P_ ev_async *w) EV_THROW
3799	{	4317	{
3800	w->sent = 1;	4318	w->sent = 1;
3801	evpipe_write (EV_A_ &async_pending);	4319	evpipe_write (EV_A_ &async_pending);
3802	}	4320	}
3803	#endif	4321	#endif
…		…
3840		4358
3841	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));	4359	once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
3842	}	4360	}
3843		4361
3844	void	4362	void
3845	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg)	4363	ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW
3846	{	4364	{
3847	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));	4365	struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
3848		4366
3849	if (expect_false (!once))	4367	if (expect_false (!once))
3850	{	4368	{
…		…
3871	}	4389	}
3872		4390
3873	/*****************************************************************************/	4391	/*****************************************************************************/
3874		4392
3875	#if EV_WALK_ENABLE	4393	#if EV_WALK_ENABLE
3876	void	4394	void ecb_cold
3877	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w))	4395	ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW
3878	{	4396	{
3879	int i, j;	4397	int i, j;
3880	ev_watcher_list *wl, *wn;	4398	ev_watcher_list *wl, *wn;
3881		4399
3882	if (types & (EV_IO | EV_EMBED))	4400	if (types & (EV_IO | EV_EMBED))
…		…
3925	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));	4443	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3926	#endif	4444	#endif
3927		4445
3928	#if EV_IDLE_ENABLE	4446	#if EV_IDLE_ENABLE
3929	if (types & EV_IDLE)	4447	if (types & EV_IDLE)
3930	for (j = NUMPRI; i--; )	4448	for (j = NUMPRI; j--; )
3931	for (i = idlecnt [j]; i--; )	4449	for (i = idlecnt [j]; i--; )
3932	cb (EV_A_ EV_IDLE, idles [j][i]);	4450	cb (EV_A_ EV_IDLE, idles [j][i]);
3933	#endif	4451	#endif
3934		4452
3935	#if EV_FORK_ENABLE	4453	#if EV_FORK_ENABLE
…		…
3988		4506
3989	#if EV_MULTIPLICITY	4507	#if EV_MULTIPLICITY
3990	#include "ev_wrap.h"	4508	#include "ev_wrap.h"
3991	#endif	4509	#endif
3992		4510
3993	EV_CPP(})
3994

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines