[ViewVC] Diff of: cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.370 by root, Sun Jan 30 19:05:41 2011 UTC vs.
Revision 1.402 by sf-exg, Tue Dec 20 10:34:10 2011 UTC

…		…
4	* Copyright (c) 2007,2008,2009,2010,2011 Marc Alexander Lehmann <libev@schmorp.de>	4	* Copyright (c) 2007,2008,2009,2010,2011 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	*
10	* 1. Redistributions of source code must retain the above copyright notice,	10	* 1. Redistributions of source code must retain the above copyright notice,
11	* this list of conditions and the following disclaimer.	11	* this list of conditions and the following disclaimer.
12	*	12	*
13	* 2. Redistributions in binary form must reproduce the above copyright	13	* 2. Redistributions in binary form must reproduce the above copyright
14	* notice, this list of conditions and the following disclaimer in the	14	* notice, this list of conditions and the following disclaimer in the
15	* documentation and/or other materials provided with the distribution.	15	* documentation and/or other materials provided with the distribution.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-	18	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO	19	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-	20	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,	21	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
…		…
42	# ifdef EV_CONFIG_H	42	# ifdef EV_CONFIG_H
43	# include EV_CONFIG_H	43	# include EV_CONFIG_H
44	# else	44	# else
45	# include "config.h"	45	# include "config.h"
46	# endif	46	# endif
		47
		48	#if HAVE_FLOOR
		49	# ifndef EV_USE_FLOOR
		50	# define EV_USE_FLOOR 1
		51	# endif
		52	#endif
47		53
48	# if HAVE_CLOCK_SYSCALL	54	# if HAVE_CLOCK_SYSCALL
49	# ifndef EV_USE_CLOCK_SYSCALL	55	# ifndef EV_USE_CLOCK_SYSCALL
50	# define EV_USE_CLOCK_SYSCALL 1	56	# define EV_USE_CLOCK_SYSCALL 1
51	# ifndef EV_USE_REALTIME	57	# ifndef EV_USE_REALTIME
…		…
156	# define EV_USE_EVENTFD 0	162	# define EV_USE_EVENTFD 0
157	# endif	163	# endif
158		164
159	#endif	165	#endif
160		166
161	#include <math.h>
162	#include <stdlib.h>	167	#include <stdlib.h>
163	#include <string.h>	168	#include <string.h>
164	#include <fcntl.h>	169	#include <fcntl.h>
165	#include <stddef.h>	170	#include <stddef.h>
166		171
…		…
177	#ifdef EV_H	182	#ifdef EV_H
178	# include EV_H	183	# include EV_H
179	#else	184	#else
180	# include "ev.h"	185	# include "ev.h"
181	#endif	186	#endif
182
183	EV_CPP(extern "C" {)
184		187
185	#ifndef _WIN32	188	#ifndef _WIN32
186	# include <sys/time.h>	189	# include <sys/time.h>
187	# include <sys/wait.h>	190	# include <sys/wait.h>
188	# include <unistd.h>	191	# include <unistd.h>
…		…
232	/* to make it compile regardless, just remove the above line, */	235	/* to make it compile regardless, just remove the above line, */
233	/* but consider reporting it, too! :) */	236	/* but consider reporting it, too! :) */
234	# define EV_NSIG 65	237	# define EV_NSIG 65
235	#endif	238	#endif
236		239
		240	#ifndef EV_USE_FLOOR
		241	# define EV_USE_FLOOR 0
		242	#endif
		243
237	#ifndef EV_USE_CLOCK_SYSCALL	244	#ifndef EV_USE_CLOCK_SYSCALL
238	# if __linux && __GLIBC__ >= 2	245	# if __linux && __GLIBC__ >= 2
239	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS	246	# define EV_USE_CLOCK_SYSCALL EV_FEATURE_OS
240	# else	247	# else
241	# define EV_USE_CLOCK_SYSCALL 0	248	# define EV_USE_CLOCK_SYSCALL 0
…		…
443	#else	450	#else
444	# define EV_FREQUENT_CHECK do { } while (0)	451	# define EV_FREQUENT_CHECK do { } while (0)
445	#endif	452	#endif
446		453
447	/*	454	/*
448	* This is used to avoid floating point rounding problems.	455	* This is used to work around floating point rounding problems.
449	* It is added to ev_rt_now when scheduling periodics
450	* to ensure progress, time-wise, even when rounding
451	* errors are against us.
452	* This value is good at least till the year 4000.	456	* This value is good at least till the year 4000.
453	* Better solutions welcome.
454	*/	457	*/
455	#define TIME_EPSILON 0.0001220703125 /* 1/8192 */	458	#define MIN_INTERVAL 0.0001220703125 /* 1/2*13, good till 4000 /
		459	/#define MIN_INTERVAL 0.00000095367431640625 / 1/2*20, good till 2200 /
456		460
457	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */	461	#define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */
458	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */	462	#define MAX_BLOCKTIME 59.743 /* never wait longer than this time (to detect time jumps) */
459		463
460	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)	464	#define EV_TV_SET(tv,t) do { tv.tv_sec = (long)t; tv.tv_usec = (long)((t - tv.tv_sec) * 1e6); } while (0)
461	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)	465	#define EV_TS_SET(ts,t) do { ts.tv_sec = (long)t; ts.tv_nsec = (long)((t - ts.tv_sec) * 1e9); } while (0)
462		466
		467	/* the following is ecb.h embedded into libev - use update_ev_c to update from an external copy */
		468	/* ECB.H BEGIN */
		469	/*
		470	* libecb - http://software.schmorp.de/pkg/libecb
		471	*
		472	* Copyright (©) 2009-2011 Marc Alexander Lehmann <libecb@schmorp.de>
		473	* Copyright (©) 2011 Emanuele Giaquinta
		474	* All rights reserved.
		475	*
		476	* Redistribution and use in source and binary forms, with or without modifica-
		477	* tion, are permitted provided that the following conditions are met:
		478	*
		479	* 1. Redistributions of source code must retain the above copyright notice,
		480	* this list of conditions and the following disclaimer.
		481	*
		482	* 2. Redistributions in binary form must reproduce the above copyright
		483	* notice, this list of conditions and the following disclaimer in the
		484	* documentation and/or other materials provided with the distribution.
		485	*
		486	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
		487	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
		488	* CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
		489	* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
		490	* CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
		491	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
		492	* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
		493	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
		494	* ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
		495	* OF THE POSSIBILITY OF SUCH DAMAGE.
		496	*/
		497
		498	#ifndef ECB_H
		499	#define ECB_H
		500
		501	#ifdef _WIN32
		502	typedef signed char int8_t;
		503	typedef unsigned char uint8_t;
		504	typedef signed short int16_t;
		505	typedef unsigned short uint16_t;
		506	typedef signed int int32_t;
		507	typedef unsigned int uint32_t;
463	#if __GNUC__ >= 4	508	#if __GNUC__
464	# define expect(expr,value) __builtin_expect ((expr),(value))	509	typedef signed long long int64_t;
465	# define noinline __attribute__ ((noinline))	510	typedef unsigned long long uint64_t;
		511	#else /* _MSC_VER \|\| __BORLANDC__ */
		512	typedef signed __int64 int64_t;
		513	typedef unsigned __int64 uint64_t;
		514	#endif
466	#else	515	#else
467	# define expect(expr,value) (expr)	516	#include <inttypes.h>
468	# define noinline
469	# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
470	# define inline
471	# endif	517	#endif
		518
		519	/* many compilers define _GNUC_ to some versions but then only implement
		520	* what their idiot authors think are the "more important" extensions,
		521	* causing enormous grief in return for some better fake benchmark numbers.
		522	* or so.
		523	* we try to detect these and simply assume they are not gcc - if they have
		524	* an issue with that they should have done it right in the first place.
		525	*/
		526	#ifndef ECB_GCC_VERSION
		527	#if !defined(__GNUC_MINOR__) \|\| defined(__INTEL_COMPILER) \|\| defined(__SUNPRO_C) \|\| defined(__SUNPRO_CC) \|\| defined(__llvm__) \|\| defined(__clang__)
		528	#define ECB_GCC_VERSION(major,minor) 0
		529	#else
		530	#define ECB_GCC_VERSION(major,minor) (__GNUC__ > (major) \|\| (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)))
472	#endif	531	#endif
		532	#endif
473		533
		534	/*****************************************************************************/
		535
		536	/* ECB_NO_THREADS - ecb is not used by multiple threads, ever */
		537	/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
		538
		539	#if ECB_NO_THREADS \|\| ECB_NO_SMP
		540	#define ECB_MEMORY_FENCE do { } while (0)
		541	#endif
		542
		543	#ifndef ECB_MEMORY_FENCE
		544	#if ECB_GCC_VERSION(2,5) \|\| defined(__INTEL_COMPILER) \|\| defined(__clang__)
		545	#if __i386__
		546	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
		547	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE /* non-lock xchg might be enough */
		548	#define ECB_MEMORY_FENCE_RELEASE do { } while (0) /* unlikely to change in future cpus */
		549	#elif __amd64
		550	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
		551	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
		552	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence") /* play safe - not needed in any current cpu */
		553	#elif __powerpc__ \|\| __ppc__ \|\| __powerpc64__ \|\| __ppc64__
		554	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
		555	#elif defined(__ARM_ARCH_6__ ) \|\| defined(__ARM_ARCH_6J__ ) \
		556	\|\| defined(__ARM_ARCH_6K__) \|\| defined(__ARM_ARCH_6ZK__)
		557	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
		558	#elif defined(__ARM_ARCH_7__ ) \|\| defined(__ARM_ARCH_7A__ ) \
		559	\|\| defined(__ARM_ARCH_7M__) \|\| defined(__ARM_ARCH_7R__ )
		560	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
		561	#endif
		562	#endif
		563	#endif
		564
		565	#ifndef ECB_MEMORY_FENCE
		566	#if ECB_GCC_VERSION(4,4) \|\| defined(__INTEL_COMPILER) \|\| defined(__clang__)
		567	#define ECB_MEMORY_FENCE __sync_synchronize ()
		568	/#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) /
		569	/#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) /
		570	#elif _MSC_VER >= 1400 /* VC++ 2005 */
		571	#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
		572	#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
		573	#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier () /* according to msdn, _ReadBarrier is not a load fence */
		574	#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier ()
		575	#elif defined(_WIN32)
		576	#include <WinNT.h>
		577	#define ECB_MEMORY_FENCE MemoryBarrier () /* actually just xchg on x86... scary */
		578	#endif
		579	#endif
		580
		581	#ifndef ECB_MEMORY_FENCE
		582	#if !ECB_AVOID_PTHREADS
		583	/*
		584	* if you get undefined symbol references to pthread_mutex_lock,
		585	* or failure to find pthread.h, then you should implement
		586	* the ECB_MEMORY_FENCE operations for your cpu/compiler
		587	* OR provide pthread.h and link against the posix thread library
		588	* of your system.
		589	*/
		590	#include <pthread.h>
		591	#define ECB_NEEDS_PTHREADS 1
		592	#define ECB_MEMORY_FENCE_NEEDS_PTHREADS 1
		593
		594	static pthread_mutex_t ecb_mf_lock = PTHREAD_MUTEX_INITIALIZER;
		595	#define ECB_MEMORY_FENCE do { pthread_mutex_lock (&ecb_mf_lock); pthread_mutex_unlock (&ecb_mf_lock); } while (0)
		596	#endif
		597	#endif
		598
		599	#if !defined(ECB_MEMORY_FENCE_ACQUIRE) && defined(ECB_MEMORY_FENCE)
		600	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		601	#endif
		602
		603	#if !defined(ECB_MEMORY_FENCE_RELEASE) && defined(ECB_MEMORY_FENCE)
		604	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		605	#endif
		606
		607	/*****************************************************************************/
		608
		609	#define ECB_C99 (__STDC_VERSION__ >= 199901L)
		610
		611	#if __cplusplus
		612	#define ecb_inline static inline
		613	#elif ECB_GCC_VERSION(2,5)
		614	#define ecb_inline static __inline__
		615	#elif ECB_C99
		616	#define ecb_inline static inline
		617	#else
		618	#define ecb_inline static
		619	#endif
		620
		621	#if ECB_GCC_VERSION(3,3)
		622	#define ecb_restrict __restrict__
		623	#elif ECB_C99
		624	#define ecb_restrict restrict
		625	#else
		626	#define ecb_restrict
		627	#endif
		628
		629	typedef int ecb_bool;
		630
		631	#define ECB_CONCAT_(a, b) a ## b
		632	#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
		633	#define ECB_STRINGIFY_(a) # a
		634	#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
		635
		636	#define ecb_function_ ecb_inline
		637
		638	#if ECB_GCC_VERSION(3,1)
		639	#define ecb_attribute(attrlist) __attribute__(attrlist)
		640	#define ecb_is_constant(expr) __builtin_constant_p (expr)
		641	#define ecb_expect(expr,value) __builtin_expect ((expr),(value))
		642	#define ecb_prefetch(addr,rw,locality) __builtin_prefetch (addr, rw, locality)
		643	#else
		644	#define ecb_attribute(attrlist)
		645	#define ecb_is_constant(expr) 0
		646	#define ecb_expect(expr,value) (expr)
		647	#define ecb_prefetch(addr,rw,locality)
		648	#endif
		649
		650	/* no emulation for ecb_decltype */
		651	#if ECB_GCC_VERSION(4,5)
		652	#define ecb_decltype(x) __decltype(x)
		653	#elif ECB_GCC_VERSION(3,0)
		654	#define ecb_decltype(x) __typeof(x)
		655	#endif
		656
		657	#define ecb_noinline ecb_attribute ((__noinline__))
		658	#define ecb_noreturn ecb_attribute ((__noreturn__))
		659	#define ecb_unused ecb_attribute ((__unused__))
		660	#define ecb_const ecb_attribute ((__const__))
		661	#define ecb_pure ecb_attribute ((__pure__))
		662
		663	#if ECB_GCC_VERSION(4,3)
		664	#define ecb_artificial ecb_attribute ((__artificial__))
		665	#define ecb_hot ecb_attribute ((__hot__))
		666	#define ecb_cold ecb_attribute ((__cold__))
		667	#else
		668	#define ecb_artificial
		669	#define ecb_hot
		670	#define ecb_cold
		671	#endif
		672
		673	/* put around conditional expressions if you are very sure that the */
		674	/* expression is mostly true or mostly false. note that these return */
		675	/* booleans, not the expression. */
474	#define expect_false(expr) expect ((expr) != 0, 0)	676	#define ecb_expect_false(expr) ecb_expect (!!(expr), 0)
475	#define expect_true(expr) expect ((expr) != 0, 1)	677	#define ecb_expect_true(expr) ecb_expect (!!(expr), 1)
		678	/* for compatibility to the rest of the world */
		679	#define ecb_likely(expr) ecb_expect_true (expr)
		680	#define ecb_unlikely(expr) ecb_expect_false (expr)
		681
		682	/* count trailing zero bits and count # of one bits */
		683	#if ECB_GCC_VERSION(3,4)
		684	/* we assume int == 32 bit, long == 32 or 64 bit and long long == 64 bit */
		685	#define ecb_ld32(x) (__builtin_clz (x) ^ 31)
		686	#define ecb_ld64(x) (__builtin_clzll (x) ^ 63)
		687	#define ecb_ctz32(x) __builtin_ctz (x)
		688	#define ecb_ctz64(x) __builtin_ctzll (x)
		689	#define ecb_popcount32(x) __builtin_popcount (x)
		690	/* no popcountll */
		691	#else
		692	ecb_function_ int ecb_ctz32 (uint32_t x) ecb_const;
		693	ecb_function_ int
		694	ecb_ctz32 (uint32_t x)
		695	{
		696	int r = 0;
		697
		698	x &= ~x + 1; /* this isolates the lowest bit */
		699
		700	#if ECB_branchless_on_i386
		701	r += !!(x & 0xaaaaaaaa) << 0;
		702	r += !!(x & 0xcccccccc) << 1;
		703	r += !!(x & 0xf0f0f0f0) << 2;
		704	r += !!(x & 0xff00ff00) << 3;
		705	r += !!(x & 0xffff0000) << 4;
		706	#else
		707	if (x & 0xaaaaaaaa) r += 1;
		708	if (x & 0xcccccccc) r += 2;
		709	if (x & 0xf0f0f0f0) r += 4;
		710	if (x & 0xff00ff00) r += 8;
		711	if (x & 0xffff0000) r += 16;
		712	#endif
		713
		714	return r;
		715	}
		716
		717	ecb_function_ int ecb_ctz64 (uint64_t x) ecb_const;
		718	ecb_function_ int
		719	ecb_ctz64 (uint64_t x)
		720	{
		721	int shift = x & 0xffffffffU ? 0 : 32;
		722	return ecb_ctz32 (x >> shift) + shift;
		723	}
		724
		725	ecb_function_ int ecb_popcount32 (uint32_t x) ecb_const;
		726	ecb_function_ int
		727	ecb_popcount32 (uint32_t x)
		728	{
		729	x -= (x >> 1) & 0x55555555;
		730	x = ((x >> 2) & 0x33333333) + (x & 0x33333333);
		731	x = ((x >> 4) + x) & 0x0f0f0f0f;
		732	x *= 0x01010101;
		733
		734	return x >> 24;
		735	}
		736
		737	ecb_function_ int ecb_ld32 (uint32_t x) ecb_const;
		738	ecb_function_ int ecb_ld32 (uint32_t x)
		739	{
		740	int r = 0;
		741
		742	if (x >> 16) { x >>= 16; r += 16; }
		743	if (x >> 8) { x >>= 8; r += 8; }
		744	if (x >> 4) { x >>= 4; r += 4; }
		745	if (x >> 2) { x >>= 2; r += 2; }
		746	if (x >> 1) { r += 1; }
		747
		748	return r;
		749	}
		750
		751	ecb_function_ int ecb_ld64 (uint64_t x) ecb_const;
		752	ecb_function_ int ecb_ld64 (uint64_t x)
		753	{
		754	int r = 0;
		755
		756	if (x >> 32) { x >>= 32; r += 32; }
		757
		758	return r + ecb_ld32 (x);
		759	}
		760	#endif
		761
		762	/* popcount64 is only available on 64 bit cpus as gcc builtin */
		763	/* so for this version we are lazy */
		764	ecb_function_ int ecb_popcount64 (uint64_t x) ecb_const;
		765	ecb_function_ int
		766	ecb_popcount64 (uint64_t x)
		767	{
		768	return ecb_popcount32 (x) + ecb_popcount32 (x >> 32);
		769	}
		770
		771	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) ecb_const;
		772	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) ecb_const;
		773	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) ecb_const;
		774	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) ecb_const;
		775	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) ecb_const;
		776	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) ecb_const;
		777	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) ecb_const;
		778	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) ecb_const;
		779
		780	ecb_inline uint8_t ecb_rotl8 (uint8_t x, unsigned int count) { return (x >> ( 8 - count)) \| (x << count); }
		781	ecb_inline uint8_t ecb_rotr8 (uint8_t x, unsigned int count) { return (x << ( 8 - count)) \| (x >> count); }
		782	ecb_inline uint16_t ecb_rotl16 (uint16_t x, unsigned int count) { return (x >> (16 - count)) \| (x << count); }
		783	ecb_inline uint16_t ecb_rotr16 (uint16_t x, unsigned int count) { return (x << (16 - count)) \| (x >> count); }
		784	ecb_inline uint32_t ecb_rotl32 (uint32_t x, unsigned int count) { return (x >> (32 - count)) \| (x << count); }
		785	ecb_inline uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) \| (x >> count); }
		786	ecb_inline uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) \| (x << count); }
		787	ecb_inline uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) \| (x >> count); }
		788
		789	#if ECB_GCC_VERSION(4,3)
		790	#define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
		791	#define ecb_bswap32(x) __builtin_bswap32 (x)
		792	#define ecb_bswap64(x) __builtin_bswap64 (x)
		793	#else
		794	ecb_function_ uint16_t ecb_bswap16 (uint16_t x) ecb_const;
		795	ecb_function_ uint16_t
		796	ecb_bswap16 (uint16_t x)
		797	{
		798	return ecb_rotl16 (x, 8);
		799	}
		800
		801	ecb_function_ uint32_t ecb_bswap32 (uint32_t x) ecb_const;
		802	ecb_function_ uint32_t
		803	ecb_bswap32 (uint32_t x)
		804	{
		805	return (((uint32_t)ecb_bswap16 (x)) << 16) \| ecb_bswap16 (x >> 16);
		806	}
		807
		808	ecb_function_ uint64_t ecb_bswap64 (uint64_t x) ecb_const;
		809	ecb_function_ uint64_t
		810	ecb_bswap64 (uint64_t x)
		811	{
		812	return (((uint64_t)ecb_bswap32 (x)) << 32) \| ecb_bswap32 (x >> 32);
		813	}
		814	#endif
		815
		816	#if ECB_GCC_VERSION(4,5)
		817	#define ecb_unreachable() __builtin_unreachable ()
		818	#else
		819	/* this seems to work fine, but gcc always emits a warning for it :/ */
		820	ecb_function_ void ecb_unreachable (void) ecb_noreturn;
		821	ecb_function_ void ecb_unreachable (void) { }
		822	#endif
		823
		824	/* try to tell the compiler that some condition is definitely true */
		825	#define ecb_assume(cond) do { if (!(cond)) ecb_unreachable (); } while (0)
		826
		827	ecb_function_ unsigned char ecb_byteorder_helper (void) ecb_const;
		828	ecb_function_ unsigned char
		829	ecb_byteorder_helper (void)
		830	{
		831	const uint32_t u = 0x11223344;
		832	return (unsigned char )&u;
		833	}
		834
		835	ecb_function_ ecb_bool ecb_big_endian (void) ecb_const;
		836	ecb_function_ ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
		837	ecb_function_ ecb_bool ecb_little_endian (void) ecb_const;
		838	ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
		839
		840	#if ECB_GCC_VERSION(3,0) \|\| ECB_C99
		841	#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
		842	#else
		843	#define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
		844	#endif
		845
		846	#if __cplusplus
		847	template<typename T>
		848	static inline T ecb_div_rd (T val, T div)
		849	{
		850	return val < 0 ? - ((-val + div - 1) / div) : (val ) / div;
		851	}
		852	template<typename T>
		853	static inline T ecb_div_ru (T val, T div)
		854	{
		855	return val < 0 ? - ((-val ) / div) : (val + div - 1) / div;
		856	}
		857	#else
		858	#define ecb_div_rd(val,div) ((val) < 0 ? - ((-(val) + (div) - 1) / (div)) : ((val) ) / (div))
		859	#define ecb_div_ru(val,div) ((val) < 0 ? - ((-(val) ) / (div)) : ((val) + (div) - 1) / (div))
		860	#endif
		861
		862	#if ecb_cplusplus_does_not_suck
		863	/* does not work for local types (http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2657.htm) */
		864	template<typename T, int N>
		865	static inline int ecb_array_length (const T (&arr)[N])
		866	{
		867	return N;
		868	}
		869	#else
		870	#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
		871	#endif
		872
		873	#endif
		874
		875	/* ECB.H END */
		876
		877	#if ECB_MEMORY_FENCE_NEEDS_PTHREADS
		878	/* if your architecture doesn't need memory fences, e.g. because it is
		879	* single-cpu/core, or if you use libev in a project that doesn't use libev
		880	* from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling
		881	* libev, in which cases the memory fences become nops.
		882	* alternatively, you can remove this #error and link against libpthread,
		883	* which will then provide the memory fences.
		884	*/
		885	# error "memory fences not defined for your architecture, please report"
		886	#endif
		887
		888	#ifndef ECB_MEMORY_FENCE
		889	# define ECB_MEMORY_FENCE do { } while (0)
		890	# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
		891	# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
		892	#endif
		893
		894	#define expect_false(cond) ecb_expect_false (cond)
		895	#define expect_true(cond) ecb_expect_true (cond)
		896	#define noinline ecb_noinline
		897
476	#define inline_size static inline	898	#define inline_size ecb_inline
477		899
478	#if EV_FEATURE_CODE	900	#if EV_FEATURE_CODE
479	# define inline_speed static inline	901	# define inline_speed ecb_inline
480	#else	902	#else
481	# define inline_speed static noinline	903	# define inline_speed static noinline
482	#endif	904	#endif
483		905
484	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)	906	#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
…		…
523	# include "ev_win32.c"	945	# include "ev_win32.c"
524	#endif	946	#endif
525		947
526	/*****************************************************************************/	948	/*****************************************************************************/
527		949
		950	/* define a suitable floor function (only used by periodics atm) */
		951
		952	#if EV_USE_FLOOR
		953	# include <math.h>
		954	# define ev_floor(v) floor (v)
		955	#else
		956
		957	#include <float.h>
		958
		959	/* a floor() replacement function, should be independent of ev_tstamp type */
		960	static ev_tstamp noinline
		961	ev_floor (ev_tstamp v)
		962	{
		963	/* the choice of shift factor is not terribly important */
		964	#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
		965	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
		966	#else
		967	const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 18446744073709551616. : 4294967296.;
		968	#endif
		969
		970	/* argument too large for an unsigned long? */
		971	if (expect_false (v >= shift))
		972	{
		973	ev_tstamp f;
		974
		975	if (v == v - 1.)
		976	return v; /* very large number */
		977
		978	f = shift * ev_floor (v * (1. / shift));
		979	return f + ev_floor (v - f);
		980	}
		981
		982	/* special treatment for negative args? */
		983	if (expect_false (v < 0.))
		984	{
		985	ev_tstamp f = -ev_floor (-v);
		986
		987	return f - (f == v ? 0 : 1);
		988	}
		989
		990	/* fits into an unsigned long */
		991	return (unsigned long)v;
		992	}
		993
		994	#endif
		995
		996	/*****************************************************************************/
		997
528	#ifdef __linux	998	#ifdef __linux
529	# include <sys/utsname.h>	999	# include <sys/utsname.h>
530	#endif	1000	#endif
531		1001
532	static unsigned int noinline	1002	static unsigned int noinline ecb_cold
533	ev_linux_version (void)	1003	ev_linux_version (void)
534	{	1004	{
535	#ifdef __linux	1005	#ifdef __linux
536	unsigned int v = 0;	1006	unsigned int v = 0;
537	struct utsname buf;	1007	struct utsname buf;
…		…
566	}	1036	}
567		1037
568	/*****************************************************************************/	1038	/*****************************************************************************/
569		1039
570	#if EV_AVOID_STDIO	1040	#if EV_AVOID_STDIO
571	static void noinline	1041	static void noinline ecb_cold
572	ev_printerr (const char *msg)	1042	ev_printerr (const char *msg)
573	{	1043	{
574	write (STDERR_FILENO, msg, strlen (msg));	1044	write (STDERR_FILENO, msg, strlen (msg));
575	}	1045	}
576	#endif	1046	#endif
577		1047
578	static void (syserr_cb)(const char msg);	1048	static void (syserr_cb)(const char msg);
579		1049
580	void	1050	void ecb_cold
581	ev_set_syserr_cb (void (cb)(const char msg))	1051	ev_set_syserr_cb (void (cb)(const char msg))
582	{	1052	{
583	syserr_cb = cb;	1053	syserr_cb = cb;
584	}	1054	}
585		1055
586	static void noinline	1056	static void noinline ecb_cold
587	ev_syserr (const char *msg)	1057	ev_syserr (const char *msg)
588	{	1058	{
589	if (!msg)	1059	if (!msg)
590	msg = "(libev) system error";	1060	msg = "(libev) system error";
591		1061
…		…
624	#endif	1094	#endif
625	}	1095	}
626		1096
627	static void (alloc)(void *ptr, long size) = ev_realloc_emul;	1097	static void (alloc)(void *ptr, long size) = ev_realloc_emul;
628		1098
629	void	1099	void ecb_cold
630	ev_set_allocator (void (cb)(void *ptr, long size))	1100	ev_set_allocator (void (cb)(void *ptr, long size))
631	{	1101	{
632	alloc = cb;	1102	alloc = cb;
633	}	1103	}
634		1104
…		…
723	#undef VAR	1193	#undef VAR
724	};	1194	};
725	#include "ev_wrap.h"	1195	#include "ev_wrap.h"
726		1196
727	static struct ev_loop default_loop_struct;	1197	static struct ev_loop default_loop_struct;
728	struct ev_loop *ev_default_loop_ptr;	1198	EV_API_DECL struct ev_loop ev_default_loop_ptr = 0; / needs to be initialised to make it a definition despite extern */
729		1199
730	#else	1200	#else
731		1201
732	ev_tstamp ev_rt_now;	1202	EV_API_DECL ev_tstamp ev_rt_now = 0; /* needs to be initialised to make it a definition despite extern */
733	#define VAR(name,decl) static decl;	1203	#define VAR(name,decl) static decl;
734	#include "ev_vars.h"	1204	#include "ev_vars.h"
735	#undef VAR	1205	#undef VAR
736		1206
737	static int ev_default_loop_ptr;	1207	static int ev_default_loop_ptr;
…		…
816	select (0, 0, 0, 0, &tv);	1286	select (0, 0, 0, 0, &tv);
817	#endif	1287	#endif
818	}	1288	}
819	}	1289	}
820		1290
821	inline_speed int
822	ev_timeout_to_ms (ev_tstamp timeout)
823	{
824	int ms = timeout * 1000. + .999999;
825
826	return expect_true (ms) ? ms : timeout < 1e-6 ? 0 : 1;
827	}
828
829	/*****************************************************************************/	1291	/*****************************************************************************/
830		1292
831	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /	1293	#define MALLOC_ROUND 4096 /* prefer to allocate in chunks of this size, must be 2*n and >> 4 longs /
832		1294
833	/* find a suitable new size for the given array, */	1295	/* find a suitable new size for the given array, */
…		…
839		1301
840	do	1302	do
841	ncur <<= 1;	1303	ncur <<= 1;
842	while (cnt > ncur);	1304	while (cnt > ncur);
843		1305
844	/* if size is large, round to MALLOC_ROUND - 4 * longs to accomodate malloc overhead */	1306	/* if size is large, round to MALLOC_ROUND - 4 * longs to accommodate malloc overhead */
845	if (elem * ncur > MALLOC_ROUND - sizeof (void ) 4)	1307	if (elem * ncur > MALLOC_ROUND - sizeof (void ) 4)
846	{	1308	{
847	ncur *= elem;	1309	ncur *= elem;
848	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void ) 4) & ~(MALLOC_ROUND - 1);	1310	ncur = (ncur + elem + (MALLOC_ROUND - 1) + sizeof (void ) 4) & ~(MALLOC_ROUND - 1);
849	ncur = ncur - sizeof (void ) 4;	1311	ncur = ncur - sizeof (void ) 4;
…		…
851	}	1313	}
852		1314
853	return ncur;	1315	return ncur;
854	}	1316	}
855		1317
856	static noinline void *	1318	static void * noinline ecb_cold
857	array_realloc (int elem, void base, int cur, int cnt)	1319	array_realloc (int elem, void base, int cur, int cnt)
858	{	1320	{
859	cur = array_nextsize (elem, cur, cnt);	1321	cur = array_nextsize (elem, cur, cnt);
860	return ev_realloc (base, elem * *cur);	1322	return ev_realloc (base, elem * *cur);
861	}	1323	}
…		…
864	memset ((void )(base), 0, sizeof ((base)) * (count))	1326	memset ((void )(base), 0, sizeof ((base)) * (count))
865		1327
866	#define array_needsize(type,base,cur,cnt,init) \	1328	#define array_needsize(type,base,cur,cnt,init) \
867	if (expect_false ((cnt) > (cur))) \	1329	if (expect_false ((cnt) > (cur))) \
868	{ \	1330	{ \
869	int ocur_ = (cur); \	1331	int ecb_unused ocur_ = (cur); \
870	(base) = (type *)array_realloc \	1332	(base) = (type *)array_realloc \
871	(sizeof (type), (base), &(cur), (cnt)); \	1333	(sizeof (type), (base), &(cur), (cnt)); \
872	init ((base) + (ocur_), (cur) - ocur_); \	1334	init ((base) + (ocur_), (cur) - ocur_); \
873	}	1335	}
874		1336
…		…
974	inline_size void	1436	inline_size void
975	fd_reify (EV_P)	1437	fd_reify (EV_P)
976	{	1438	{
977	int i;	1439	int i;
978		1440
		1441	#if EV_SELECT_IS_WINSOCKET \|\| EV_USE_IOCP
		1442	for (i = 0; i < fdchangecnt; ++i)
		1443	{
		1444	int fd = fdchanges [i];
		1445	ANFD *anfd = anfds + fd;
		1446
		1447	if (anfd->reify & EV__IOFDSET && anfd->head)
		1448	{
		1449	SOCKET handle = EV_FD_TO_WIN32_HANDLE (fd);
		1450
		1451	if (handle != anfd->handle)
		1452	{
		1453	unsigned long arg;
		1454
		1455	assert (("libev: only socket fds supported in this configuration", ioctlsocket (handle, FIONREAD, &arg) == 0));
		1456
		1457	/* handle changed, but fd didn't - we need to do it in two steps */
		1458	backend_modify (EV_A_ fd, anfd->events, 0);
		1459	anfd->events = 0;
		1460	anfd->handle = handle;
		1461	}
		1462	}
		1463	}
		1464	#endif
		1465
979	for (i = 0; i < fdchangecnt; ++i)	1466	for (i = 0; i < fdchangecnt; ++i)
980	{	1467	{
981	int fd = fdchanges [i];	1468	int fd = fdchanges [i];
982	ANFD *anfd = anfds + fd;	1469	ANFD *anfd = anfds + fd;
983	ev_io *w;	1470	ev_io *w;
…		…
985	unsigned char o_events = anfd->events;	1472	unsigned char o_events = anfd->events;
986	unsigned char o_reify = anfd->reify;	1473	unsigned char o_reify = anfd->reify;
987		1474
988	anfd->reify = 0;	1475	anfd->reify = 0;
989		1476
990	#if EV_SELECT_IS_WINSOCKET \|\| EV_USE_IOCP
991	if (o_reify & EV__IOFDSET)
992	{
993	unsigned long arg;
994	anfd->handle = EV_FD_TO_WIN32_HANDLE (fd);
995	assert (("libev: only socket fds supported in this configuration", ioctlsocket (anfd->handle, FIONREAD, &arg) == 0));
996	printf ("oi %d %x\n", fd, anfd->handle);//D
997	}
998	#endif
999
1000	/if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation /	1477	/if (expect_true (o_reify & EV_ANFD_REIFY)) probably a deoptimisation /
1001	{	1478	{
1002	anfd->events = 0;	1479	anfd->events = 0;
1003		1480
1004	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)	1481	for (w = (ev_io )anfd->head; w; w = (ev_io )((WL)w)->next)
…		…
1029	fdchanges [fdchangecnt - 1] = fd;	1506	fdchanges [fdchangecnt - 1] = fd;
1030	}	1507	}
1031	}	1508	}
1032		1509
1033	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */	1510	/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1034	inline_speed void	1511	inline_speed void ecb_cold
1035	fd_kill (EV_P_ int fd)	1512	fd_kill (EV_P_ int fd)
1036	{	1513	{
1037	ev_io *w;	1514	ev_io *w;
1038		1515
1039	while ((w = (ev_io *)anfds [fd].head))	1516	while ((w = (ev_io *)anfds [fd].head))
…		…
1042	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);	1519	ev_feed_event (EV_A_ (W)w, EV_ERROR \| EV_READ \| EV_WRITE);
1043	}	1520	}
1044	}	1521	}
1045		1522
1046	/* check whether the given fd is actually valid, for error recovery */	1523	/* check whether the given fd is actually valid, for error recovery */
1047	inline_size int	1524	inline_size int ecb_cold
1048	fd_valid (int fd)	1525	fd_valid (int fd)
1049	{	1526	{
1050	#ifdef _WIN32	1527	#ifdef _WIN32
1051	return EV_FD_TO_WIN32_HANDLE (fd) != -1;	1528	return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1052	#else	1529	#else
1053	return fcntl (fd, F_GETFD) != -1;	1530	return fcntl (fd, F_GETFD) != -1;
1054	#endif	1531	#endif
1055	}	1532	}
1056		1533
1057	/* called on EBADF to verify fds */	1534	/* called on EBADF to verify fds */
1058	static void noinline	1535	static void noinline ecb_cold
1059	fd_ebadf (EV_P)	1536	fd_ebadf (EV_P)
1060	{	1537	{
1061	int fd;	1538	int fd;
1062		1539
1063	for (fd = 0; fd < anfdmax; ++fd)	1540	for (fd = 0; fd < anfdmax; ++fd)
…		…
1065	if (!fd_valid (fd) && errno == EBADF)	1542	if (!fd_valid (fd) && errno == EBADF)
1066	fd_kill (EV_A_ fd);	1543	fd_kill (EV_A_ fd);
1067	}	1544	}
1068		1545
1069	/* called on ENOMEM in select/poll to kill some fds and retry */	1546	/* called on ENOMEM in select/poll to kill some fds and retry */
1070	static void noinline	1547	static void noinline ecb_cold
1071	fd_enomem (EV_P)	1548	fd_enomem (EV_P)
1072	{	1549	{
1073	int fd;	1550	int fd;
1074		1551
1075	for (fd = anfdmax; fd--; )	1552	for (fd = anfdmax; fd--; )
…		…
1270		1747
1271	/*****************************************************************************/	1748	/*****************************************************************************/
1272		1749
1273	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE	1750	#if EV_SIGNAL_ENABLE \|\| EV_ASYNC_ENABLE
1274		1751
1275	static void noinline	1752	static void noinline ecb_cold
1276	evpipe_init (EV_P)	1753	evpipe_init (EV_P)
1277	{	1754	{
1278	if (!ev_is_active (&pipe_w))	1755	if (!ev_is_active (&pipe_w))
1279	{	1756	{
1280	# if EV_USE_EVENTFD	1757	# if EV_USE_EVENTFD
…		…
1302	ev_io_start (EV_A_ &pipe_w);	1779	ev_io_start (EV_A_ &pipe_w);
1303	ev_unref (EV_A); /* watcher should not keep loop alive */	1780	ev_unref (EV_A); /* watcher should not keep loop alive */
1304	}	1781	}
1305	}	1782	}
1306		1783
1307	inline_size void	1784	inline_speed void
1308	evpipe_write (EV_P_ EV_ATOMIC_T *flag)	1785	evpipe_write (EV_P_ EV_ATOMIC_T *flag)
1309	{	1786	{
1310	if (!*flag)	1787	if (expect_true (*flag))
		1788	return;
		1789
		1790	*flag = 1;
		1791
		1792	ECB_MEMORY_FENCE_RELEASE; /* make sure flag is visible before the wakeup */
		1793
		1794	pipe_write_skipped = 1;
		1795
		1796	ECB_MEMORY_FENCE; /* make sure pipe_write_skipped is visible before we check pipe_write_wanted */
		1797
		1798	if (pipe_write_wanted)
1311	{	1799	{
		1800	int old_errno;
		1801
		1802	pipe_write_skipped = 0; /* just an optimisation, no fence needed */
		1803
1312	int old_errno = errno; /* save errno because write might clobber it */	1804	old_errno = errno; /* save errno because write will clobber it */
1313	char dummy;
1314
1315	*flag = 1;
1316		1805
1317	#if EV_USE_EVENTFD	1806	#if EV_USE_EVENTFD
1318	if (evfd >= 0)	1807	if (evfd >= 0)
1319	{	1808	{
1320	uint64_t counter = 1;	1809	uint64_t counter = 1;
1321	write (evfd, &counter, sizeof (uint64_t));	1810	write (evfd, &counter, sizeof (uint64_t));
1322	}	1811	}
1323	else	1812	else
1324	#endif	1813	#endif
		1814	{
1325	/* win32 people keep sending patches that change this write() to send() */	1815	/* win32 people keep sending patches that change this write() to send() */
1326	/* and then run away. but send() is wrong, it wants a socket handle on win32 */	1816	/* and then run away. but send() is wrong, it wants a socket handle on win32 */
1327	/* so when you think this write should be a send instead, please find out */	1817	/* so when you think this write should be a send instead, please find out */
1328	/* where your send() is from - it's definitely not the microsoft send, and */	1818	/* where your send() is from - it's definitely not the microsoft send, and */
1329	/* tell me. thank you. */	1819	/* tell me. thank you. */
1330	write (evpipe [1], &dummy, 1);	1820	write (evpipe [1], &(evpipe [1]), 1);
		1821	}
1331		1822
1332	errno = old_errno;	1823	errno = old_errno;
1333	}	1824	}
1334	}	1825	}
1335		1826
…		…
1338	static void	1829	static void
1339	pipecb (EV_P_ ev_io *iow, int revents)	1830	pipecb (EV_P_ ev_io *iow, int revents)
1340	{	1831	{
1341	int i;	1832	int i;
1342		1833
		1834	if (revents & EV_READ)
		1835	{
1343	#if EV_USE_EVENTFD	1836	#if EV_USE_EVENTFD
1344	if (evfd >= 0)	1837	if (evfd >= 0)
1345	{	1838	{
1346	uint64_t counter;	1839	uint64_t counter;
1347	read (evfd, &counter, sizeof (uint64_t));	1840	read (evfd, &counter, sizeof (uint64_t));
1348	}	1841	}
1349	else	1842	else
1350	#endif	1843	#endif
1351	{	1844	{
1352	char dummy;	1845	char dummy;
1353	/* see discussion in evpipe_write when you think this read should be recv in win32 */	1846	/* see discussion in evpipe_write when you think this read should be recv in win32 */
1354	read (evpipe [0], &dummy, 1);	1847	read (evpipe [0], &dummy, 1);
		1848	}
1355	}	1849	}
		1850
		1851	pipe_write_skipped = 0;
1356		1852
1357	#if EV_SIGNAL_ENABLE	1853	#if EV_SIGNAL_ENABLE
1358	if (sig_pending)	1854	if (sig_pending)
1359	{	1855	{
1360	sig_pending = 0;	1856	sig_pending = 0;
1361		1857
1362	for (i = EV_NSIG - 1; i--; )	1858	for (i = EV_NSIG - 1; i--; )
1363	if (expect_false (signals [i].pending))	1859	if (expect_false (signals [i].pending))
1364	ev_feed_signal_event (EV_A_ i + 1);	1860	ev_feed_signal_event (EV_A_ i + 1);
…		…
1389	EV_P = signals [signum - 1].loop;	1885	EV_P = signals [signum - 1].loop;
1390		1886
1391	if (!EV_A)	1887	if (!EV_A)
1392	return;	1888	return;
1393	#endif	1889	#endif
		1890
		1891	if (!ev_active (&pipe_w))
		1892	return;
1394		1893
1395	signals [signum - 1].pending = 1;	1894	signals [signum - 1].pending = 1;
1396	evpipe_write (EV_A_ &sig_pending);	1895	evpipe_write (EV_A_ &sig_pending);
1397	}	1896	}
1398		1897
…		…
1530	#endif	2029	#endif
1531	#if EV_USE_SELECT	2030	#if EV_USE_SELECT
1532	# include "ev_select.c"	2031	# include "ev_select.c"
1533	#endif	2032	#endif
1534		2033
1535	int	2034	int ecb_cold
1536	ev_version_major (void)	2035	ev_version_major (void)
1537	{	2036	{
1538	return EV_VERSION_MAJOR;	2037	return EV_VERSION_MAJOR;
1539	}	2038	}
1540		2039
1541	int	2040	int ecb_cold
1542	ev_version_minor (void)	2041	ev_version_minor (void)
1543	{	2042	{
1544	return EV_VERSION_MINOR;	2043	return EV_VERSION_MINOR;
1545	}	2044	}
1546		2045
1547	/* return true if we are running with elevated privileges and should ignore env variables */	2046	/* return true if we are running with elevated privileges and should ignore env variables */
1548	int inline_size	2047	int inline_size ecb_cold
1549	enable_secure (void)	2048	enable_secure (void)
1550	{	2049	{
1551	#ifdef _WIN32	2050	#ifdef _WIN32
1552	return 0;	2051	return 0;
1553	#else	2052	#else
1554	return getuid () != geteuid ()	2053	return getuid () != geteuid ()
1555	\|\| getgid () != getegid ();	2054	\|\| getgid () != getegid ();
1556	#endif	2055	#endif
1557	}	2056	}
1558		2057
1559	unsigned int	2058	unsigned int ecb_cold
1560	ev_supported_backends (void)	2059	ev_supported_backends (void)
1561	{	2060	{
1562	unsigned int flags = 0;	2061	unsigned int flags = 0;
1563		2062
1564	if (EV_USE_PORT ) flags \|= EVBACKEND_PORT;	2063	if (EV_USE_PORT ) flags \|= EVBACKEND_PORT;
…		…
1568	if (EV_USE_SELECT) flags \|= EVBACKEND_SELECT;	2067	if (EV_USE_SELECT) flags \|= EVBACKEND_SELECT;
1569		2068
1570	return flags;	2069	return flags;
1571	}	2070	}
1572		2071
1573	unsigned int	2072	unsigned int ecb_cold
1574	ev_recommended_backends (void)	2073	ev_recommended_backends (void)
1575	{	2074	{
1576	unsigned int flags = ev_supported_backends ();	2075	unsigned int flags = ev_supported_backends ();
1577		2076
1578	#ifndef __NetBSD__	2077	#ifndef __NetBSD__
…		…
1590	#endif	2089	#endif
1591		2090
1592	return flags;	2091	return flags;
1593	}	2092	}
1594		2093
1595	unsigned int	2094	unsigned int ecb_cold
1596	ev_embeddable_backends (void)	2095	ev_embeddable_backends (void)
1597	{	2096	{
1598	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;	2097	int flags = EVBACKEND_EPOLL \| EVBACKEND_KQUEUE \| EVBACKEND_PORT;
1599		2098
1600	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */	2099	/* epoll embeddability broken on all linux versions up to at least 2.6.23 */
…		…
1645	ev_userdata (EV_P)	2144	ev_userdata (EV_P)
1646	{	2145	{
1647	return userdata;	2146	return userdata;
1648	}	2147	}
1649		2148
		2149	void
1650	void ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))	2150	ev_set_invoke_pending_cb (EV_P_ void (*invoke_pending_cb)(EV_P))
1651	{	2151	{
1652	invoke_cb = invoke_pending_cb;	2152	invoke_cb = invoke_pending_cb;
1653	}	2153	}
1654		2154
		2155	void
1655	void ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P))	2156	ev_set_loop_release_cb (EV_P_ void (release)(EV_P), void (acquire)(EV_P))
1656	{	2157	{
1657	release_cb = release;	2158	release_cb = release;
1658	acquire_cb = acquire;	2159	acquire_cb = acquire;
1659	}	2160	}
1660	#endif	2161	#endif
1661		2162
1662	/* initialise a loop structure, must be zero-initialised */	2163	/* initialise a loop structure, must be zero-initialised */
1663	static void noinline	2164	static void noinline ecb_cold
1664	loop_init (EV_P_ unsigned int flags)	2165	loop_init (EV_P_ unsigned int flags)
1665	{	2166	{
1666	if (!backend)	2167	if (!backend)
1667	{	2168	{
1668	origflags = flags;	2169	origflags = flags;
…		…
1696	if (!(flags & EVFLAG_NOENV)	2197	if (!(flags & EVFLAG_NOENV)
1697	&& !enable_secure ()	2198	&& !enable_secure ()
1698	&& getenv ("LIBEV_FLAGS"))	2199	&& getenv ("LIBEV_FLAGS"))
1699	flags = atoi (getenv ("LIBEV_FLAGS"));	2200	flags = atoi (getenv ("LIBEV_FLAGS"));
1700		2201
1701	ev_rt_now = ev_time ();	2202	ev_rt_now = ev_time ();
1702	mn_now = get_clock ();	2203	mn_now = get_clock ();
1703	now_floor = mn_now;	2204	now_floor = mn_now;
1704	rtmn_diff = ev_rt_now - mn_now;	2205	rtmn_diff = ev_rt_now - mn_now;
1705	#if EV_FEATURE_API	2206	#if EV_FEATURE_API
1706	invoke_cb = ev_invoke_pending;	2207	invoke_cb = ev_invoke_pending;
1707	#endif	2208	#endif
1708		2209
1709	io_blocktime = 0.;	2210	io_blocktime = 0.;
1710	timeout_blocktime = 0.;	2211	timeout_blocktime = 0.;
1711	backend = 0;	2212	backend = 0;
1712	backend_fd = -1;	2213	backend_fd = -1;
1713	sig_pending = 0;	2214	sig_pending = 0;
1714	#if EV_ASYNC_ENABLE	2215	#if EV_ASYNC_ENABLE
1715	async_pending = 0;	2216	async_pending = 0;
1716	#endif	2217	#endif
		2218	pipe_write_skipped = 0;
		2219	pipe_write_wanted = 0;
1717	#if EV_USE_INOTIFY	2220	#if EV_USE_INOTIFY
1718	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;	2221	fs_fd = flags & EVFLAG_NOINOTIFY ? -1 : -2;
1719	#endif	2222	#endif
1720	#if EV_USE_SIGNALFD	2223	#if EV_USE_SIGNALFD
1721	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;	2224	sigfd = flags & EVFLAG_SIGNALFD ? -2 : -1;
1722	#endif	2225	#endif
1723		2226
1724	if (!(flags & EVBACKEND_MASK))	2227	if (!(flags & EVBACKEND_MASK))
1725	flags \|= ev_recommended_backends ();	2228	flags \|= ev_recommended_backends ();
1726		2229
…		…
1751	#endif	2254	#endif
1752	}	2255	}
1753	}	2256	}
1754		2257
1755	/* free up a loop structure */	2258	/* free up a loop structure */
1756	void	2259	void ecb_cold
1757	ev_loop_destroy (EV_P)	2260	ev_loop_destroy (EV_P)
1758	{	2261	{
1759	int i;	2262	int i;
1760		2263
1761	#if EV_MULTIPLICITY	2264	#if EV_MULTIPLICITY
…		…
1891	infy_fork (EV_A);	2394	infy_fork (EV_A);
1892	#endif	2395	#endif
1893		2396
1894	if (ev_is_active (&pipe_w))	2397	if (ev_is_active (&pipe_w))
1895	{	2398	{
1896	/* this "locks" the handlers against writing to the pipe */	2399	/* pipe_write_wanted must be false now, so modifying fd vars should be safe */
1897	/* while we modify the fd vars */
1898	sig_pending = 1;
1899	#if EV_ASYNC_ENABLE
1900	async_pending = 1;
1901	#endif
1902		2400
1903	ev_ref (EV_A);	2401	ev_ref (EV_A);
1904	ev_io_stop (EV_A_ &pipe_w);	2402	ev_io_stop (EV_A_ &pipe_w);
1905		2403
1906	#if EV_USE_EVENTFD	2404	#if EV_USE_EVENTFD
…		…
1924	postfork = 0;	2422	postfork = 0;
1925	}	2423	}
1926		2424
1927	#if EV_MULTIPLICITY	2425	#if EV_MULTIPLICITY
1928		2426
1929	struct ev_loop *	2427	struct ev_loop * ecb_cold
1930	ev_loop_new (unsigned int flags)	2428	ev_loop_new (unsigned int flags)
1931	{	2429	{
1932	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));	2430	EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
1933		2431
1934	memset (EV_A, 0, sizeof (struct ev_loop));	2432	memset (EV_A, 0, sizeof (struct ev_loop));
…		…
1942	}	2440	}
1943		2441
1944	#endif /* multiplicity */	2442	#endif /* multiplicity */
1945		2443
1946	#if EV_VERIFY	2444	#if EV_VERIFY
1947	static void noinline	2445	static void noinline ecb_cold
1948	verify_watcher (EV_P_ W w)	2446	verify_watcher (EV_P_ W w)
1949	{	2447	{
1950	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));	2448	assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
1951		2449
1952	if (w->pending)	2450	if (w->pending)
1953	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));	2451	assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
1954	}	2452	}
1955		2453
1956	static void noinline	2454	static void noinline ecb_cold
1957	verify_heap (EV_P_ ANHE *heap, int N)	2455	verify_heap (EV_P_ ANHE *heap, int N)
1958	{	2456	{
1959	int i;	2457	int i;
1960		2458
1961	for (i = HEAP0; i < N + HEAP0; ++i)	2459	for (i = HEAP0; i < N + HEAP0; ++i)
…		…
1966		2464
1967	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));	2465	verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
1968	}	2466	}
1969	}	2467	}
1970		2468
1971	static void noinline	2469	static void noinline ecb_cold
1972	array_verify (EV_P_ W *ws, int cnt)	2470	array_verify (EV_P_ W *ws, int cnt)
1973	{	2471	{
1974	while (cnt--)	2472	while (cnt--)
1975	{	2473	{
1976	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));	2474	assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
…		…
1978	}	2476	}
1979	}	2477	}
1980	#endif	2478	#endif
1981		2479
1982	#if EV_FEATURE_API	2480	#if EV_FEATURE_API
1983	void	2481	void ecb_cold
1984	ev_verify (EV_P)	2482	ev_verify (EV_P)
1985	{	2483	{
1986	#if EV_VERIFY	2484	#if EV_VERIFY
1987	int i;	2485	int i;
1988	WL w;	2486	WL w;
…		…
2054	#endif	2552	#endif
2055	}	2553	}
2056	#endif	2554	#endif
2057		2555
2058	#if EV_MULTIPLICITY	2556	#if EV_MULTIPLICITY
2059	struct ev_loop *	2557	struct ev_loop * ecb_cold
2060	#else	2558	#else
2061	int	2559	int
2062	#endif	2560	#endif
2063	ev_default_loop (unsigned int flags)	2561	ev_default_loop (unsigned int flags)
2064	{	2562	{
…		…
2193	}	2691	}
2194	}	2692	}
2195		2693
2196	#if EV_PERIODIC_ENABLE	2694	#if EV_PERIODIC_ENABLE
2197		2695
2198	inline_speed	2696	static void noinline
2199	periodic_recalc (EV_P_ ev_periodic *w)	2697	periodic_recalc (EV_P_ ev_periodic *w)
2200	{	2698	{
2201	/* TODO: use slow but potentially more correct incremental algo, */	2699	ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
2202	/* also do not rely on ceil */	2700	ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
2203	ev_at (w) = w->offset + ceil ((ev_rt_now - w->offset) / w->interval) * w->interval;	2701
		2702	/* the above almost always errs on the low side */
		2703	while (at <= ev_rt_now)
		2704	{
		2705	ev_tstamp nat = at + w->interval;
		2706
		2707	/* when resolution fails us, we use ev_rt_now */
		2708	if (expect_false (nat == at))
		2709	{
		2710	at = ev_rt_now;
		2711	break;
		2712	}
		2713
		2714	at = nat;
		2715	}
		2716
		2717	ev_at (w) = at;
2204	}	2718	}
2205		2719
2206	/* make periodics pending */	2720	/* make periodics pending */
2207	inline_size void	2721	inline_size void
2208	periodics_reify (EV_P)	2722	periodics_reify (EV_P)
…		…
2230	downheap (periodics, periodiccnt, HEAP0);	2744	downheap (periodics, periodiccnt, HEAP0);
2231	}	2745	}
2232	else if (w->interval)	2746	else if (w->interval)
2233	{	2747	{
2234	periodic_recalc (EV_A_ w);	2748	periodic_recalc (EV_A_ w);
2235
2236	/* if next trigger time is not sufficiently in the future, put it there */
2237	/* this might happen because of floating point inexactness */
2238	if (ev_at (w) - ev_rt_now < TIME_EPSILON)
2239	{
2240	ev_at (w) += w->interval;
2241
2242	/* if interval is unreasonably low we might still have a time in the past */
2243	/* so correct this. this will make the periodic very inexact, but the user */
2244	/* has effectively asked to get triggered more often than possible */
2245	if (ev_at (w) < ev_rt_now)
2246	ev_at (w) = ev_rt_now;
2247	}
2248
2249	ANHE_at_cache (periodics [HEAP0]);	2749	ANHE_at_cache (periodics [HEAP0]);
2250	downheap (periodics, periodiccnt, HEAP0);	2750	downheap (periodics, periodiccnt, HEAP0);
2251	}	2751	}
2252	else	2752	else
2253	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */	2753	ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */
…		…
2261	}	2761	}
2262	}	2762	}
2263		2763
2264	/* simply recalculate all periodics */	2764	/* simply recalculate all periodics */
2265	/* TODO: maybe ensure that at least one event happens when jumping forward? */	2765	/* TODO: maybe ensure that at least one event happens when jumping forward? */
2266	static void noinline	2766	static void noinline ecb_cold
2267	periodics_reschedule (EV_P)	2767	periodics_reschedule (EV_P)
2268	{	2768	{
2269	int i;	2769	int i;
2270		2770
2271	/* adjust periodics after time jump */	2771	/* adjust periodics after time jump */
…		…
2284	reheap (periodics, periodiccnt);	2784	reheap (periodics, periodiccnt);
2285	}	2785	}
2286	#endif	2786	#endif
2287		2787
2288	/* adjust all timers by a given offset */	2788	/* adjust all timers by a given offset */
2289	static void noinline	2789	static void noinline ecb_cold
2290	timers_reschedule (EV_P_ ev_tstamp adjust)	2790	timers_reschedule (EV_P_ ev_tstamp adjust)
2291	{	2791	{
2292	int i;	2792	int i;
2293		2793
2294	for (i = 0; i < timercnt; ++i)	2794	for (i = 0; i < timercnt; ++i)
…		…
2331	* doesn't hurt either as we only do this on time-jumps or	2831	* doesn't hurt either as we only do this on time-jumps or
2332	* in the unlikely event of having been preempted here.	2832	* in the unlikely event of having been preempted here.
2333	*/	2833	*/
2334	for (i = 4; --i; )	2834	for (i = 4; --i; )
2335	{	2835	{
		2836	ev_tstamp diff;
2336	rtmn_diff = ev_rt_now - mn_now;	2837	rtmn_diff = ev_rt_now - mn_now;
2337		2838
		2839	diff = odiff - rtmn_diff;
		2840
2338	if (expect_true (fabs (odiff - rtmn_diff) < MIN_TIMEJUMP))	2841	if (expect_true ((diff < 0. ? -diff : diff) < MIN_TIMEJUMP))
2339	return; /* all is well */	2842	return; /* all is well */
2340		2843
2341	ev_rt_now = ev_time ();	2844	ev_rt_now = ev_time ();
2342	mn_now = get_clock ();	2845	mn_now = get_clock ();
2343	now_floor = mn_now;	2846	now_floor = mn_now;
…		…
2433	ev_tstamp prev_mn_now = mn_now;	2936	ev_tstamp prev_mn_now = mn_now;
2434		2937
2435	/* update time to cancel out callback processing overhead */	2938	/* update time to cancel out callback processing overhead */
2436	time_update (EV_A_ 1e100);	2939	time_update (EV_A_ 1e100);
2437		2940
		2941	/* from now on, we want a pipe-wake-up */
		2942	pipe_write_wanted = 1;
		2943
		2944	ECB_MEMORY_FENCE; /* make sure pipe_write_wanted is visible before we check for potential skips */
		2945
2438	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt)))	2946	if (expect_true (!(flags & EVRUN_NOWAIT \|\| idleall \|\| !activecnt \|\| pipe_write_skipped)))
2439	{	2947	{
2440	waittime = MAX_BLOCKTIME;	2948	waittime = MAX_BLOCKTIME;
2441		2949
2442	if (timercnt)	2950	if (timercnt)
2443	{	2951	{
2444	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now + backend_fudge;	2952	ev_tstamp to = ANHE_at (timers [HEAP0]) - mn_now;
2445	if (waittime > to) waittime = to;	2953	if (waittime > to) waittime = to;
2446	}	2954	}
2447		2955
2448	#if EV_PERIODIC_ENABLE	2956	#if EV_PERIODIC_ENABLE
2449	if (periodiccnt)	2957	if (periodiccnt)
2450	{	2958	{
2451	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now + backend_fudge;	2959	ev_tstamp to = ANHE_at (periodics [HEAP0]) - ev_rt_now;
2452	if (waittime > to) waittime = to;	2960	if (waittime > to) waittime = to;
2453	}	2961	}
2454	#endif	2962	#endif
2455		2963
2456	/* don't let timeouts decrease the waittime below timeout_blocktime */	2964	/* don't let timeouts decrease the waittime below timeout_blocktime */
2457	if (expect_false (waittime < timeout_blocktime))	2965	if (expect_false (waittime < timeout_blocktime))
2458	waittime = timeout_blocktime;	2966	waittime = timeout_blocktime;
		2967
		2968	/* at this point, we NEED to wait, so we have to ensure */
		2969	/* to pass a minimum nonzero value to the backend */
		2970	if (expect_false (waittime < backend_mintime))
		2971	waittime = backend_mintime;
2459		2972
2460	/* extra check because io_blocktime is commonly 0 */	2973	/* extra check because io_blocktime is commonly 0 */
2461	if (expect_false (io_blocktime))	2974	if (expect_false (io_blocktime))
2462	{	2975	{
2463	sleeptime = io_blocktime - (mn_now - prev_mn_now);	2976	sleeptime = io_blocktime - (mn_now - prev_mn_now);
2464		2977
2465	if (sleeptime > waittime - backend_fudge)	2978	if (sleeptime > waittime - backend_mintime)
2466	sleeptime = waittime - backend_fudge;	2979	sleeptime = waittime - backend_mintime;
2467		2980
2468	if (expect_true (sleeptime > 0.))	2981	if (expect_true (sleeptime > 0.))
2469	{	2982	{
2470	ev_sleep (sleeptime);	2983	ev_sleep (sleeptime);
2471	waittime -= sleeptime;	2984	waittime -= sleeptime;
…		…
2477	++loop_count;	2990	++loop_count;
2478	#endif	2991	#endif
2479	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */	2992	assert ((loop_done = EVBREAK_RECURSE, 1)); /* assert for side effect */
2480	backend_poll (EV_A_ waittime);	2993	backend_poll (EV_A_ waittime);
2481	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */	2994	assert ((loop_done = EVBREAK_CANCEL, 1)); /* assert for side effect */
		2995
		2996	pipe_write_wanted = 0; /* just an optimisation, no fence needed */
		2997
		2998	if (pipe_write_skipped)
		2999	{
		3000	assert (("libev: pipe_w not active, but pipe not written", ev_is_active (&pipe_w)));
		3001	ev_feed_event (EV_A_ &pipe_w, EV_CUSTOM);
		3002	}
		3003
2482		3004
2483	/* update ev_rt_now, do magic */	3005	/* update ev_rt_now, do magic */
2484	time_update (EV_A_ waittime + sleeptime);	3006	time_update (EV_A_ waittime + sleeptime);
2485	}	3007	}
2486		3008
…		…
3063	if (!pend \|\| pend == path)	3585	if (!pend \|\| pend == path)
3064	break;	3586	break;
3065		3587
3066	*pend = 0;	3588	*pend = 0;
3067	w->wd = inotify_add_watch (fs_fd, path, mask);	3589	w->wd = inotify_add_watch (fs_fd, path, mask);
3068	}	3590	}
3069	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));	3591	while (w->wd < 0 && (errno == ENOENT \|\| errno == EACCES));
3070	}	3592	}
3071	}	3593	}
3072		3594
3073	if (w->wd >= 0)	3595	if (w->wd >= 0)
…		…
3140	infy_wd (EV_A_ ev->wd, ev->wd, ev);	3662	infy_wd (EV_A_ ev->wd, ev->wd, ev);
3141	ofs += sizeof (struct inotify_event) + ev->len;	3663	ofs += sizeof (struct inotify_event) + ev->len;
3142	}	3664	}
3143	}	3665	}
3144		3666
3145	inline_size void	3667	inline_size void ecb_cold
3146	ev_check_2625 (EV_P)	3668	ev_check_2625 (EV_P)
3147	{	3669	{
3148	/* kernels < 2.6.25 are borked	3670	/* kernels < 2.6.25 are borked
3149	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html	3671	* http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
3150	*/	3672	*/
…		…
3775	}	4297	}
3776		4298
3777	/*****************************************************************************/	4299	/*****************************************************************************/
3778		4300
3779	#if EV_WALK_ENABLE	4301	#if EV_WALK_ENABLE
3780	void	4302	void ecb_cold
3781	ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w))	4303	ev_walk (EV_P_ int types, void (cb)(EV_P_ int type, void w))
3782	{	4304	{
3783	int i, j;	4305	int i, j;
3784	ev_watcher_list wl, wn;	4306	ev_watcher_list wl, wn;
3785		4307
…		…
3829	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));	4351	cb (EV_A_ EV_PERIODIC, ANHE_w (periodics [i]));
3830	#endif	4352	#endif
3831		4353
3832	#if EV_IDLE_ENABLE	4354	#if EV_IDLE_ENABLE
3833	if (types & EV_IDLE)	4355	if (types & EV_IDLE)
3834	for (j = NUMPRI; i--; )	4356	for (j = NUMPRI; j--; )
3835	for (i = idlecnt [j]; i--; )	4357	for (i = idlecnt [j]; i--; )
3836	cb (EV_A_ EV_IDLE, idles [j][i]);	4358	cb (EV_A_ EV_IDLE, idles [j][i]);
3837	#endif	4359	#endif
3838		4360
3839	#if EV_FORK_ENABLE	4361	#if EV_FORK_ENABLE
…		…
3892		4414
3893	#if EV_MULTIPLICITY	4415	#if EV_MULTIPLICITY
3894	#include "ev_wrap.h"	4416	#include "ev_wrap.h"
3895	#endif	4417	#endif
3896		4418
3897	EV_CPP(})
3898

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Comparing libev/ev.c (file contents): Revision 1.370 by root, Sun Jan 30 19:05:41 2011 UTC vs. Revision 1.402 by sf-exg, Tue Dec 20 10:34:10 2011 UTC

Diff Legend

Comparing libev/ev.c (file contents):
Revision 1.370 by root, Sun Jan 30 19:05:41 2011 UTC vs.
Revision 1.402 by sf-exg, Tue Dec 20 10:34:10 2011 UTC