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Comparing libev/ev.c (file contents):
Revision 1.474 by root, Wed Feb 11 19:20:21 2015 UTC vs.
Revision 1.487 by root, Mon Oct 29 00:00:21 2018 UTC

1/* 1/*
2 * libev event processing core, watcher management 2 * libev event processing core, watcher management
3 * 3 *
4 * Copyright (c) 2007,2008,2009,2010,2011,2012,2013 Marc Alexander Lehmann <libev@schmorp.de> 4 * Copyright (c) 2007-2018 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 *
162# define EV_USE_EVENTFD 0 162# define EV_USE_EVENTFD 0
163# endif 163# endif
164 164
165#endif 165#endif
166 166
167/* OS X, in its infinite idiocy, actually HARDCODES
168 * a limit of 1024 into their select. Where people have brains,
169 * OS X engineers apparently have a vacuum. Or maybe they were
170 * ordered to have a vacuum, or they do anything for money.
171 * This might help. Or not.
172 * Note that this must be defined early, as other include files
173 * will rely on this define as well.
174 */
175#define _DARWIN_UNLIMITED_SELECT 1
176
167#include <stdlib.h> 177#include <stdlib.h>
168#include <string.h> 178#include <string.h>
169#include <fcntl.h> 179#include <fcntl.h>
170#include <stddef.h> 180#include <stddef.h>
171 181
208# ifndef EV_SELECT_IS_WINSOCKET 218# ifndef EV_SELECT_IS_WINSOCKET
209# define EV_SELECT_IS_WINSOCKET 1 219# define EV_SELECT_IS_WINSOCKET 1
210# endif 220# endif
211# undef EV_AVOID_STDIO 221# undef EV_AVOID_STDIO
212#endif 222#endif
213
214/* OS X, in its infinite idiocy, actually HARDCODES
215 * a limit of 1024 into their select. Where people have brains,
216 * OS X engineers apparently have a vacuum. Or maybe they were
217 * ordered to have a vacuum, or they do anything for money.
218 * This might help. Or not.
219 */
220#define _DARWIN_UNLIMITED_SELECT 1
221 223
222/* this block tries to deduce configuration from header-defined symbols and defaults */ 224/* this block tries to deduce configuration from header-defined symbols and defaults */
223 225
224/* try to deduce the maximum number of signals on this platform */ 226/* try to deduce the maximum number of signals on this platform */
225#if defined EV_NSIG 227#if defined EV_NSIG
363 365
364#ifndef EV_HEAP_CACHE_AT 366#ifndef EV_HEAP_CACHE_AT
365# define EV_HEAP_CACHE_AT EV_FEATURE_DATA 367# define EV_HEAP_CACHE_AT EV_FEATURE_DATA
366#endif 368#endif
367 369
368#ifdef ANDROID 370#ifdef __ANDROID__
369/* supposedly, android doesn't typedef fd_mask */ 371/* supposedly, android doesn't typedef fd_mask */
370# undef EV_USE_SELECT 372# undef EV_USE_SELECT
371# define EV_USE_SELECT 0 373# define EV_USE_SELECT 0
372/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */ 374/* supposedly, we need to include syscall.h, not sys/syscall.h, so just disable */
373# undef EV_USE_CLOCK_SYSCALL 375# undef EV_USE_CLOCK_SYSCALL
532 534
533#ifndef ECB_H 535#ifndef ECB_H
534#define ECB_H 536#define ECB_H
535 537
536/* 16 bits major, 16 bits minor */ 538/* 16 bits major, 16 bits minor */
537#define ECB_VERSION 0x00010004 539#define ECB_VERSION 0x00010005
538 540
539#ifdef _WIN32 541#ifdef _WIN32
540 typedef signed char int8_t; 542 typedef signed char int8_t;
541 typedef unsigned char uint8_t; 543 typedef unsigned char uint8_t;
542 typedef signed short int16_t; 544 typedef signed short int16_t;
559 typedef uint32_t uintptr_t; 561 typedef uint32_t uintptr_t;
560 typedef int32_t intptr_t; 562 typedef int32_t intptr_t;
561 #endif 563 #endif
562#else 564#else
563 #include <inttypes.h> 565 #include <inttypes.h>
564 #if UINTMAX_MAX > 0xffffffffU 566 #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
565 #define ECB_PTRSIZE 8 567 #define ECB_PTRSIZE 8
566 #else 568 #else
567 #define ECB_PTRSIZE 4 569 #define ECB_PTRSIZE 4
568 #endif 570 #endif
569#endif 571#endif
570 572
573#define ECB_GCC_AMD64 (__amd64 || __amd64__ || __x86_64 || __x86_64__)
574#define ECB_MSVC_AMD64 (_M_AMD64 || _M_X64)
575
571/* work around x32 idiocy by defining proper macros */ 576/* work around x32 idiocy by defining proper macros */
572#if __amd64 || __x86_64 || _M_AMD64 || _M_X64 577#if ECB_GCC_AMD64 || ECB_MSVC_AMD64
573 #if _ILP32 578 #if _ILP32
574 #define ECB_AMD64_X32 1 579 #define ECB_AMD64_X32 1
575 #else 580 #else
576 #define ECB_AMD64 1 581 #define ECB_AMD64 1
577 #endif 582 #endif
639 644
640#if ECB_NO_SMP 645#if ECB_NO_SMP
641 #define ECB_MEMORY_FENCE do { } while (0) 646 #define ECB_MEMORY_FENCE do { } while (0)
642#endif 647#endif
643 648
649/* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */
650#if __xlC__ && ECB_CPP
651 #include <builtins.h>
652#endif
653
654#if 1400 <= _MSC_VER
655 #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
656#endif
657
644#ifndef ECB_MEMORY_FENCE 658#ifndef ECB_MEMORY_FENCE
645 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 659 #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
646 #if __i386 || __i386__ 660 #if __i386 || __i386__
647 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory") 661 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
648 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 662 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
649 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 663 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
650 #elif __amd64 || __amd64__ || __x86_64 || __x86_64__ 664 #elif ECB_GCC_AMD64
651 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") 665 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
652 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") 666 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory")
653 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") 667 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
654 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ 668 #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
655 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") 669 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
670 #elif defined __ARM_ARCH_2__ \
671 || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
672 || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
673 || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
674 || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
675 || defined __ARM_ARCH_5TEJ__
676 /* should not need any, unless running old code on newer cpu - arm doesn't support that */
656 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ 677 #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
657 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ 678 || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
679 || defined __ARM_ARCH_6T2__
658 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") 680 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
659 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ 681 #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
660 || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ 682 || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
661 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") 683 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
662 #elif __aarch64__ 684 #elif __aarch64__
663 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") 685 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
664 #elif (__sparc || __sparc__) && !__sparcv8 686 #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8)
665 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") 687 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
666 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") 688 #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
667 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") 689 #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
668 #elif defined __s390__ || defined __s390x__ 690 #elif defined __s390__ || defined __s390x__
669 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") 691 #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
794 816
795#define ECB_CONCAT_(a, b) a ## b 817#define ECB_CONCAT_(a, b) a ## b
796#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b) 818#define ECB_CONCAT(a, b) ECB_CONCAT_(a, b)
797#define ECB_STRINGIFY_(a) # a 819#define ECB_STRINGIFY_(a) # a
798#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a) 820#define ECB_STRINGIFY(a) ECB_STRINGIFY_(a)
821#define ECB_STRINGIFY_EXPR(expr) ((expr), ECB_STRINGIFY_ (expr))
799 822
800#define ecb_function_ ecb_inline 823#define ecb_function_ ecb_inline
801 824
802#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8) 825#if ECB_GCC_VERSION(3,1) || ECB_CLANG_VERSION(2,8)
803 #define ecb_attribute(attrlist) __attribute__ (attrlist) 826 #define ecb_attribute(attrlist) __attribute__ (attrlist)
840 #define ecb_deprecated __declspec (deprecated) 863 #define ecb_deprecated __declspec (deprecated)
841#else 864#else
842 #define ecb_deprecated ecb_attribute ((__deprecated__)) 865 #define ecb_deprecated ecb_attribute ((__deprecated__))
843#endif 866#endif
844 867
868#if _MSC_VER >= 1500
869 #define ecb_deprecated_message(msg) __declspec (deprecated (msg))
870#elif ECB_GCC_VERSION(4,5)
871 #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg))
872#else
873 #define ecb_deprecated_message(msg) ecb_deprecated
874#endif
875
876#if _MSC_VER >= 1400
877 #define ecb_noinline __declspec (noinline)
878#else
845#define ecb_noinline ecb_attribute ((__noinline__)) 879 #define ecb_noinline ecb_attribute ((__noinline__))
880#endif
881
846#define ecb_unused ecb_attribute ((__unused__)) 882#define ecb_unused ecb_attribute ((__unused__))
847#define ecb_const ecb_attribute ((__const__)) 883#define ecb_const ecb_attribute ((__const__))
848#define ecb_pure ecb_attribute ((__pure__)) 884#define ecb_pure ecb_attribute ((__pure__))
849 885
850/* TODO http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx __declspec(noreturn) */
851#if ECB_C11 || __IBMC_NORETURN 886#if ECB_C11 || __IBMC_NORETURN
852 /* http://pic.dhe.ibm.com/infocenter/compbg/v121v141/topic/com.ibm.xlcpp121.bg.doc/language_ref/noreturn.html */ 887 /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */
853 #define ecb_noreturn _Noreturn 888 #define ecb_noreturn _Noreturn
889#elif ECB_CPP11
890 #define ecb_noreturn [[noreturn]]
891#elif _MSC_VER >= 1200
892 /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */
893 #define ecb_noreturn __declspec (noreturn)
854#else 894#else
855 #define ecb_noreturn ecb_attribute ((__noreturn__)) 895 #define ecb_noreturn ecb_attribute ((__noreturn__))
856#endif 896#endif
857 897
858#if ECB_GCC_VERSION(4,3) 898#if ECB_GCC_VERSION(4,3)
889#else 929#else
890 ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); 930 ecb_function_ ecb_const int ecb_ctz32 (uint32_t x);
891 ecb_function_ ecb_const int 931 ecb_function_ ecb_const int
892 ecb_ctz32 (uint32_t x) 932 ecb_ctz32 (uint32_t x)
893 { 933 {
934#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
935 unsigned long r;
936 _BitScanForward (&r, x);
937 return (int)r;
938#else
894 int r = 0; 939 int r = 0;
895 940
896 x &= ~x + 1; /* this isolates the lowest bit */ 941 x &= ~x + 1; /* this isolates the lowest bit */
897 942
898#if ECB_branchless_on_i386 943#if ECB_branchless_on_i386
908 if (x & 0xff00ff00) r += 8; 953 if (x & 0xff00ff00) r += 8;
909 if (x & 0xffff0000) r += 16; 954 if (x & 0xffff0000) r += 16;
910#endif 955#endif
911 956
912 return r; 957 return r;
958#endif
913 } 959 }
914 960
915 ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); 961 ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
916 ecb_function_ ecb_const int 962 ecb_function_ ecb_const int
917 ecb_ctz64 (uint64_t x) 963 ecb_ctz64 (uint64_t x)
918 { 964 {
965#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
966 unsigned long r;
967 _BitScanForward64 (&r, x);
968 return (int)r;
969#else
919 int shift = x & 0xffffffffU ? 0 : 32; 970 int shift = x & 0xffffffff ? 0 : 32;
920 return ecb_ctz32 (x >> shift) + shift; 971 return ecb_ctz32 (x >> shift) + shift;
972#endif
921 } 973 }
922 974
923 ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); 975 ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
924 ecb_function_ ecb_const int 976 ecb_function_ ecb_const int
925 ecb_popcount32 (uint32_t x) 977 ecb_popcount32 (uint32_t x)
933 } 985 }
934 986
935 ecb_function_ ecb_const int ecb_ld32 (uint32_t x); 987 ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
936 ecb_function_ ecb_const int ecb_ld32 (uint32_t x) 988 ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
937 { 989 {
990#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
991 unsigned long r;
992 _BitScanReverse (&r, x);
993 return (int)r;
994#else
938 int r = 0; 995 int r = 0;
939 996
940 if (x >> 16) { x >>= 16; r += 16; } 997 if (x >> 16) { x >>= 16; r += 16; }
941 if (x >> 8) { x >>= 8; r += 8; } 998 if (x >> 8) { x >>= 8; r += 8; }
942 if (x >> 4) { x >>= 4; r += 4; } 999 if (x >> 4) { x >>= 4; r += 4; }
943 if (x >> 2) { x >>= 2; r += 2; } 1000 if (x >> 2) { x >>= 2; r += 2; }
944 if (x >> 1) { r += 1; } 1001 if (x >> 1) { r += 1; }
945 1002
946 return r; 1003 return r;
1004#endif
947 } 1005 }
948 1006
949 ecb_function_ ecb_const int ecb_ld64 (uint64_t x); 1007 ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
950 ecb_function_ ecb_const int ecb_ld64 (uint64_t x) 1008 ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
951 { 1009 {
1010#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
1011 unsigned long r;
1012 _BitScanReverse64 (&r, x);
1013 return (int)r;
1014#else
952 int r = 0; 1015 int r = 0;
953 1016
954 if (x >> 32) { x >>= 32; r += 32; } 1017 if (x >> 32) { x >>= 32; r += 32; }
955 1018
956 return r + ecb_ld32 (x); 1019 return r + ecb_ld32 (x);
1020#endif
957 } 1021 }
958#endif 1022#endif
959 1023
960ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); 1024ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x);
961ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } 1025ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); }
1018ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } 1082ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); }
1019ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } 1083ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); }
1020ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } 1084ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); }
1021 1085
1022#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) 1086#if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64))
1087 #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16)
1088 #define ecb_bswap16(x) __builtin_bswap16 (x)
1089 #else
1023 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) 1090 #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16)
1091 #endif
1024 #define ecb_bswap32(x) __builtin_bswap32 (x) 1092 #define ecb_bswap32(x) __builtin_bswap32 (x)
1025 #define ecb_bswap64(x) __builtin_bswap64 (x) 1093 #define ecb_bswap64(x) __builtin_bswap64 (x)
1094#elif _MSC_VER
1095 #include <stdlib.h>
1096 #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x)))
1097 #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x)))
1098 #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x)))
1026#else 1099#else
1027 ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); 1100 ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x);
1028 ecb_function_ ecb_const uint16_t 1101 ecb_function_ ecb_const uint16_t
1029 ecb_bswap16 (uint16_t x) 1102 ecb_bswap16 (uint16_t x)
1030 { 1103 {
1055#endif 1128#endif
1056 1129
1057/* try to tell the compiler that some condition is definitely true */ 1130/* try to tell the compiler that some condition is definitely true */
1058#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 1131#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
1059 1132
1060ecb_inline ecb_const unsigned char ecb_byteorder_helper (void); 1133ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
1061ecb_inline ecb_const unsigned char 1134ecb_inline ecb_const uint32_t
1062ecb_byteorder_helper (void) 1135ecb_byteorder_helper (void)
1063{ 1136{
1064 /* the union code still generates code under pressure in gcc, */ 1137 /* the union code still generates code under pressure in gcc, */
1065 /* but less than using pointers, and always seems to */ 1138 /* but less than using pointers, and always seems to */
1066 /* successfully return a constant. */ 1139 /* successfully return a constant. */
1067 /* the reason why we have this horrible preprocessor mess */ 1140 /* the reason why we have this horrible preprocessor mess */
1068 /* is to avoid it in all cases, at least on common architectures */ 1141 /* is to avoid it in all cases, at least on common architectures */
1069 /* or when using a recent enough gcc version (>= 4.6) */ 1142 /* or when using a recent enough gcc version (>= 4.6) */
1070#if __i386 || __i386__ || _M_X86 || __amd64 || __amd64__ || _M_X64
1071 return 0x44;
1072#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ 1143#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
1144 || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
1145 #define ECB_LITTLE_ENDIAN 1
1073 return 0x44; 1146 return 0x44332211;
1074#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ 1147#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
1148 || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
1149 #define ECB_BIG_ENDIAN 1
1075 return 0x11; 1150 return 0x11223344;
1076#else 1151#else
1077 union 1152 union
1078 { 1153 {
1154 uint8_t c[4];
1079 uint32_t i; 1155 uint32_t u;
1080 uint8_t c;
1081 } u = { 0x11223344 }; 1156 } u = { 0x11, 0x22, 0x33, 0x44 };
1082 return u.c; 1157 return u.u;
1083#endif 1158#endif
1084} 1159}
1085 1160
1086ecb_inline ecb_const ecb_bool ecb_big_endian (void); 1161ecb_inline ecb_const ecb_bool ecb_big_endian (void);
1087ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } 1162ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
1088ecb_inline ecb_const ecb_bool ecb_little_endian (void); 1163ecb_inline ecb_const ecb_bool ecb_little_endian (void);
1089ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } 1164ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
1090 1165
1091#if ECB_GCC_VERSION(3,0) || ECB_C99 1166#if ECB_GCC_VERSION(3,0) || ECB_C99
1092 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) 1167 #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
1093#else 1168#else
1094 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) 1169 #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n)))
1119 } 1194 }
1120#else 1195#else
1121 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) 1196 #define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
1122#endif 1197#endif
1123 1198
1199ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
1200ecb_function_ ecb_const uint32_t
1201ecb_binary16_to_binary32 (uint32_t x)
1202{
1203 unsigned int s = (x & 0x8000) << (31 - 15);
1204 int e = (x >> 10) & 0x001f;
1205 unsigned int m = x & 0x03ff;
1206
1207 if (ecb_expect_false (e == 31))
1208 /* infinity or NaN */
1209 e = 255 - (127 - 15);
1210 else if (ecb_expect_false (!e))
1211 {
1212 if (ecb_expect_true (!m))
1213 /* zero, handled by code below by forcing e to 0 */
1214 e = 0 - (127 - 15);
1215 else
1216 {
1217 /* subnormal, renormalise */
1218 unsigned int s = 10 - ecb_ld32 (m);
1219
1220 m = (m << s) & 0x3ff; /* mask implicit bit */
1221 e -= s - 1;
1222 }
1223 }
1224
1225 /* e and m now are normalised, or zero, (or inf or nan) */
1226 e += 127 - 15;
1227
1228 return s | (e << 23) | (m << (23 - 10));
1229}
1230
1231ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
1232ecb_function_ ecb_const uint16_t
1233ecb_binary32_to_binary16 (uint32_t x)
1234{
1235 unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
1236 unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
1237 unsigned int m = x & 0x007fffff;
1238
1239 x &= 0x7fffffff;
1240
1241 /* if it's within range of binary16 normals, use fast path */
1242 if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
1243 {
1244 /* mantissa round-to-even */
1245 m += 0x00000fff + ((m >> (23 - 10)) & 1);
1246
1247 /* handle overflow */
1248 if (ecb_expect_false (m >= 0x00800000))
1249 {
1250 m >>= 1;
1251 e += 1;
1252 }
1253
1254 return s | (e << 10) | (m >> (23 - 10));
1255 }
1256
1257 /* handle large numbers and infinity */
1258 if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
1259 return s | 0x7c00;
1260
1261 /* handle zero, subnormals and small numbers */
1262 if (ecb_expect_true (x < 0x38800000))
1263 {
1264 /* zero */
1265 if (ecb_expect_true (!x))
1266 return s;
1267
1268 /* handle subnormals */
1269
1270 /* too small, will be zero */
1271 if (e < (14 - 24)) /* might not be sharp, but is good enough */
1272 return s;
1273
1274 m |= 0x00800000; /* make implicit bit explicit */
1275
1276 /* very tricky - we need to round to the nearest e (+10) bit value */
1277 {
1278 unsigned int bits = 14 - e;
1279 unsigned int half = (1 << (bits - 1)) - 1;
1280 unsigned int even = (m >> bits) & 1;
1281
1282 /* if this overflows, we will end up with a normalised number */
1283 m = (m + half + even) >> bits;
1284 }
1285
1286 return s | m;
1287 }
1288
1289 /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
1290 m >>= 13;
1291
1292 return s | 0x7c00 | m | !m;
1293}
1294
1124/*******************************************************************************/ 1295/*******************************************************************************/
1125/* floating point stuff, can be disabled by defining ECB_NO_LIBM */ 1296/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
1126 1297
1127/* basically, everything uses "ieee pure-endian" floating point numbers */ 1298/* basically, everything uses "ieee pure-endian" floating point numbers */
1128/* the only noteworthy exception is ancient armle, which uses order 43218765 */ 1299/* the only noteworthy exception is ancient armle, which uses order 43218765 */
1129#if 0 \ 1300#if 0 \
1130 || __i386 || __i386__ \ 1301 || __i386 || __i386__ \
1131 || __amd64 || __amd64__ || __x86_64 || __x86_64__ \ 1302 || ECB_GCC_AMD64 \
1132 || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \ 1303 || __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ \
1133 || defined __s390__ || defined __s390x__ \ 1304 || defined __s390__ || defined __s390x__ \
1134 || defined __mips__ \ 1305 || defined __mips__ \
1135 || defined __alpha__ \ 1306 || defined __alpha__ \
1136 || defined __hppa__ \ 1307 || defined __hppa__ \
1137 || defined __ia64__ \ 1308 || defined __ia64__ \
1138 || defined __m68k__ \ 1309 || defined __m68k__ \
1139 || defined __m88k__ \ 1310 || defined __m88k__ \
1140 || defined __sh__ \ 1311 || defined __sh__ \
1141 || defined _M_IX86 || defined _M_AMD64 || defined _M_IA64 \ 1312 || defined _M_IX86 || defined ECB_MSVC_AMD64 || defined _M_IA64 \
1142 || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \ 1313 || (defined __arm__ && (defined __ARM_EABI__ || defined __EABI__ || defined __VFP_FP__ || defined _WIN32_WCE || defined __ANDROID__)) \
1143 || defined __aarch64__ 1314 || defined __aarch64__
1144 #define ECB_STDFP 1 1315 #define ECB_STDFP 1
1145 #include <string.h> /* for memcpy */ 1316 #include <string.h> /* for memcpy */
1146#else 1317#else
1164 #define ECB_NAN ECB_INFINITY 1335 #define ECB_NAN ECB_INFINITY
1165 #endif 1336 #endif
1166 1337
1167 #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L 1338 #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L
1168 #define ecb_ldexpf(x,e) ldexpf ((x), (e)) 1339 #define ecb_ldexpf(x,e) ldexpf ((x), (e))
1340 #define ecb_frexpf(x,e) frexpf ((x), (e))
1169 #else 1341 #else
1170 #define ecb_ldexpf(x,e) (float) ldexp ((x), (e)) 1342 #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e))
1343 #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
1171 #endif 1344 #endif
1172
1173 /* converts an ieee half/binary16 to a float */
1174 ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
1175 ecb_function_ ecb_const float
1176 ecb_binary16_to_float (uint16_t x)
1177 {
1178 int e = (x >> 10) & 0x1f;
1179 int m = x & 0x3ff;
1180 float r;
1181
1182 if (!e ) r = ecb_ldexpf (m , -24);
1183 else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
1184 else if (m ) r = ECB_NAN;
1185 else r = ECB_INFINITY;
1186
1187 return x & 0x8000 ? -r : r;
1188 }
1189 1345
1190 /* convert a float to ieee single/binary32 */ 1346 /* convert a float to ieee single/binary32 */
1191 ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); 1347 ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
1192 ecb_function_ ecb_const uint32_t 1348 ecb_function_ ecb_const uint32_t
1193 ecb_float_to_binary32 (float x) 1349 ecb_float_to_binary32 (float x)
1204 if (x == 0e0f ) return 0x00000000U; 1360 if (x == 0e0f ) return 0x00000000U;
1205 if (x > +3.40282346638528860e+38f) return 0x7f800000U; 1361 if (x > +3.40282346638528860e+38f) return 0x7f800000U;
1206 if (x < -3.40282346638528860e+38f) return 0xff800000U; 1362 if (x < -3.40282346638528860e+38f) return 0xff800000U;
1207 if (x != x ) return 0x7fbfffffU; 1363 if (x != x ) return 0x7fbfffffU;
1208 1364
1209 m = frexpf (x, &e) * 0x1000000U; 1365 m = ecb_frexpf (x, &e) * 0x1000000U;
1210 1366
1211 r = m & 0x80000000U; 1367 r = m & 0x80000000U;
1212 1368
1213 if (r) 1369 if (r)
1214 m = -m; 1370 m = -m;
1323 1479
1324 r = neg ? -r : r; 1480 r = neg ? -r : r;
1325 #endif 1481 #endif
1326 1482
1327 return r; 1483 return r;
1484 }
1485
1486 /* convert a float to ieee half/binary16 */
1487 ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
1488 ecb_function_ ecb_const uint16_t
1489 ecb_float_to_binary16 (float x)
1490 {
1491 return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
1492 }
1493
1494 /* convert an ieee half/binary16 to float */
1495 ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
1496 ecb_function_ ecb_const float
1497 ecb_binary16_to_float (uint16_t x)
1498 {
1499 return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
1328 } 1500 }
1329 1501
1330#endif 1502#endif
1331 1503
1332#endif 1504#endif
1357#define inline_size ecb_inline 1529#define inline_size ecb_inline
1358 1530
1359#if EV_FEATURE_CODE 1531#if EV_FEATURE_CODE
1360# define inline_speed ecb_inline 1532# define inline_speed ecb_inline
1361#else 1533#else
1362# define inline_speed static noinline 1534# define inline_speed noinline static
1363#endif 1535#endif
1364 1536
1365#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) 1537#define NUMPRI (EV_MAXPRI - EV_MINPRI + 1)
1366 1538
1367#if EV_MINPRI == EV_MAXPRI 1539#if EV_MINPRI == EV_MAXPRI
1414#else 1586#else
1415 1587
1416#include <float.h> 1588#include <float.h>
1417 1589
1418/* a floor() replacement function, should be independent of ev_tstamp type */ 1590/* a floor() replacement function, should be independent of ev_tstamp type */
1591noinline
1419static ev_tstamp noinline 1592static ev_tstamp
1420ev_floor (ev_tstamp v) 1593ev_floor (ev_tstamp v)
1421{ 1594{
1422 /* the choice of shift factor is not terribly important */ 1595 /* the choice of shift factor is not terribly important */
1423#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ 1596#if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */
1424 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; 1597 const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.;
1456 1629
1457#ifdef __linux 1630#ifdef __linux
1458# include <sys/utsname.h> 1631# include <sys/utsname.h>
1459#endif 1632#endif
1460 1633
1461static unsigned int noinline ecb_cold 1634noinline ecb_cold
1635static unsigned int
1462ev_linux_version (void) 1636ev_linux_version (void)
1463{ 1637{
1464#ifdef __linux 1638#ifdef __linux
1465 unsigned int v = 0; 1639 unsigned int v = 0;
1466 struct utsname buf; 1640 struct utsname buf;
1495} 1669}
1496 1670
1497/*****************************************************************************/ 1671/*****************************************************************************/
1498 1672
1499#if EV_AVOID_STDIO 1673#if EV_AVOID_STDIO
1500static void noinline ecb_cold 1674noinline ecb_cold
1675static void
1501ev_printerr (const char *msg) 1676ev_printerr (const char *msg)
1502{ 1677{
1503 write (STDERR_FILENO, msg, strlen (msg)); 1678 write (STDERR_FILENO, msg, strlen (msg));
1504} 1679}
1505#endif 1680#endif
1506 1681
1507static void (*syserr_cb)(const char *msg) EV_THROW; 1682static void (*syserr_cb)(const char *msg) EV_NOEXCEPT;
1508 1683
1509void ecb_cold 1684ecb_cold
1685void
1510ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW 1686ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT
1511{ 1687{
1512 syserr_cb = cb; 1688 syserr_cb = cb;
1513} 1689}
1514 1690
1515static void noinline ecb_cold 1691noinline ecb_cold
1692static void
1516ev_syserr (const char *msg) 1693ev_syserr (const char *msg)
1517{ 1694{
1518 if (!msg) 1695 if (!msg)
1519 msg = "(libev) system error"; 1696 msg = "(libev) system error";
1520 1697
1533 abort (); 1710 abort ();
1534 } 1711 }
1535} 1712}
1536 1713
1537static void * 1714static void *
1538ev_realloc_emul (void *ptr, long size) EV_THROW 1715ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT
1539{ 1716{
1540 /* some systems, notably openbsd and darwin, fail to properly 1717 /* some systems, notably openbsd and darwin, fail to properly
1541 * implement realloc (x, 0) (as required by both ansi c-89 and 1718 * implement realloc (x, 0) (as required by both ansi c-89 and
1542 * the single unix specification, so work around them here. 1719 * the single unix specification, so work around them here.
1543 * recently, also (at least) fedora and debian started breaking it, 1720 * recently, also (at least) fedora and debian started breaking it,
1549 1726
1550 free (ptr); 1727 free (ptr);
1551 return 0; 1728 return 0;
1552} 1729}
1553 1730
1554static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; 1731static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul;
1555 1732
1556void ecb_cold 1733ecb_cold
1734void
1557ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW 1735ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT
1558{ 1736{
1559 alloc = cb; 1737 alloc = cb;
1560} 1738}
1561 1739
1562inline_speed void * 1740inline_speed void *
1679 1857
1680/*****************************************************************************/ 1858/*****************************************************************************/
1681 1859
1682#ifndef EV_HAVE_EV_TIME 1860#ifndef EV_HAVE_EV_TIME
1683ev_tstamp 1861ev_tstamp
1684ev_time (void) EV_THROW 1862ev_time (void) EV_NOEXCEPT
1685{ 1863{
1686#if EV_USE_REALTIME 1864#if EV_USE_REALTIME
1687 if (expect_true (have_realtime)) 1865 if (expect_true (have_realtime))
1688 { 1866 {
1689 struct timespec ts; 1867 struct timespec ts;
1713 return ev_time (); 1891 return ev_time ();
1714} 1892}
1715 1893
1716#if EV_MULTIPLICITY 1894#if EV_MULTIPLICITY
1717ev_tstamp 1895ev_tstamp
1718ev_now (EV_P) EV_THROW 1896ev_now (EV_P) EV_NOEXCEPT
1719{ 1897{
1720 return ev_rt_now; 1898 return ev_rt_now;
1721} 1899}
1722#endif 1900#endif
1723 1901
1724void 1902void
1725ev_sleep (ev_tstamp delay) EV_THROW 1903ev_sleep (ev_tstamp delay) EV_NOEXCEPT
1726{ 1904{
1727 if (delay > 0.) 1905 if (delay > 0.)
1728 { 1906 {
1729#if EV_USE_NANOSLEEP 1907#if EV_USE_NANOSLEEP
1730 struct timespec ts; 1908 struct timespec ts;
1731 1909
1732 EV_TS_SET (ts, delay); 1910 EV_TS_SET (ts, delay);
1733 nanosleep (&ts, 0); 1911 nanosleep (&ts, 0);
1734#elif defined _WIN32 1912#elif defined _WIN32
1913 /* maybe this should round up, as ms is very low resolution */
1914 /* compared to select (µs) or nanosleep (ns) */
1735 Sleep ((unsigned long)(delay * 1e3)); 1915 Sleep ((unsigned long)(delay * 1e3));
1736#else 1916#else
1737 struct timeval tv; 1917 struct timeval tv;
1738 1918
1739 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */ 1919 /* here we rely on sys/time.h + sys/types.h + unistd.h providing select */
1770 } 1950 }
1771 1951
1772 return ncur; 1952 return ncur;
1773} 1953}
1774 1954
1775static void * noinline ecb_cold 1955noinline ecb_cold
1956static void *
1776array_realloc (int elem, void *base, int *cur, int cnt) 1957array_realloc (int elem, void *base, int *cur, int cnt)
1777{ 1958{
1778 *cur = array_nextsize (elem, *cur, cnt); 1959 *cur = array_nextsize (elem, *cur, cnt);
1779 return ev_realloc (base, elem * *cur); 1960 return ev_realloc (base, elem * *cur);
1780} 1961}
1783 memset ((void *)(base), 0, sizeof (*(base)) * (count)) 1964 memset ((void *)(base), 0, sizeof (*(base)) * (count))
1784 1965
1785#define array_needsize(type,base,cur,cnt,init) \ 1966#define array_needsize(type,base,cur,cnt,init) \
1786 if (expect_false ((cnt) > (cur))) \ 1967 if (expect_false ((cnt) > (cur))) \
1787 { \ 1968 { \
1788 int ecb_unused ocur_ = (cur); \ 1969 ecb_unused int ocur_ = (cur); \
1789 (base) = (type *)array_realloc \ 1970 (base) = (type *)array_realloc \
1790 (sizeof (type), (base), &(cur), (cnt)); \ 1971 (sizeof (type), (base), &(cur), (cnt)); \
1791 init ((base) + (ocur_), (cur) - ocur_); \ 1972 init ((base) + (ocur_), (cur) - ocur_); \
1792 } 1973 }
1793 1974
1805 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 1986 ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0
1806 1987
1807/*****************************************************************************/ 1988/*****************************************************************************/
1808 1989
1809/* dummy callback for pending events */ 1990/* dummy callback for pending events */
1810static void noinline 1991noinline
1992static void
1811pendingcb (EV_P_ ev_prepare *w, int revents) 1993pendingcb (EV_P_ ev_prepare *w, int revents)
1812{ 1994{
1813} 1995}
1814 1996
1815void noinline 1997noinline
1998void
1816ev_feed_event (EV_P_ void *w, int revents) EV_THROW 1999ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT
1817{ 2000{
1818 W w_ = (W)w; 2001 W w_ = (W)w;
1819 int pri = ABSPRI (w_); 2002 int pri = ABSPRI (w_);
1820 2003
1821 if (expect_false (w_->pending)) 2004 if (expect_false (w_->pending))
1882 if (expect_true (!anfd->reify)) 2065 if (expect_true (!anfd->reify))
1883 fd_event_nocheck (EV_A_ fd, revents); 2066 fd_event_nocheck (EV_A_ fd, revents);
1884} 2067}
1885 2068
1886void 2069void
1887ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW 2070ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT
1888{ 2071{
1889 if (fd >= 0 && fd < anfdmax) 2072 if (fd >= 0 && fd < anfdmax)
1890 fd_event_nocheck (EV_A_ fd, revents); 2073 fd_event_nocheck (EV_A_ fd, revents);
1891} 2074}
1892 2075
1950 2133
1951 fdchangecnt = 0; 2134 fdchangecnt = 0;
1952} 2135}
1953 2136
1954/* something about the given fd changed */ 2137/* something about the given fd changed */
1955inline_size void 2138inline_size
2139void
1956fd_change (EV_P_ int fd, int flags) 2140fd_change (EV_P_ int fd, int flags)
1957{ 2141{
1958 unsigned char reify = anfds [fd].reify; 2142 unsigned char reify = anfds [fd].reify;
1959 anfds [fd].reify |= flags; 2143 anfds [fd].reify |= flags;
1960 2144
1965 fdchanges [fdchangecnt - 1] = fd; 2149 fdchanges [fdchangecnt - 1] = fd;
1966 } 2150 }
1967} 2151}
1968 2152
1969/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ 2153/* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */
1970inline_speed void ecb_cold 2154inline_speed ecb_cold void
1971fd_kill (EV_P_ int fd) 2155fd_kill (EV_P_ int fd)
1972{ 2156{
1973 ev_io *w; 2157 ev_io *w;
1974 2158
1975 while ((w = (ev_io *)anfds [fd].head)) 2159 while ((w = (ev_io *)anfds [fd].head))
1978 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); 2162 ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE);
1979 } 2163 }
1980} 2164}
1981 2165
1982/* check whether the given fd is actually valid, for error recovery */ 2166/* check whether the given fd is actually valid, for error recovery */
1983inline_size int ecb_cold 2167inline_size ecb_cold int
1984fd_valid (int fd) 2168fd_valid (int fd)
1985{ 2169{
1986#ifdef _WIN32 2170#ifdef _WIN32
1987 return EV_FD_TO_WIN32_HANDLE (fd) != -1; 2171 return EV_FD_TO_WIN32_HANDLE (fd) != -1;
1988#else 2172#else
1989 return fcntl (fd, F_GETFD) != -1; 2173 return fcntl (fd, F_GETFD) != -1;
1990#endif 2174#endif
1991} 2175}
1992 2176
1993/* called on EBADF to verify fds */ 2177/* called on EBADF to verify fds */
1994static void noinline ecb_cold 2178noinline ecb_cold
2179static void
1995fd_ebadf (EV_P) 2180fd_ebadf (EV_P)
1996{ 2181{
1997 int fd; 2182 int fd;
1998 2183
1999 for (fd = 0; fd < anfdmax; ++fd) 2184 for (fd = 0; fd < anfdmax; ++fd)
2001 if (!fd_valid (fd) && errno == EBADF) 2186 if (!fd_valid (fd) && errno == EBADF)
2002 fd_kill (EV_A_ fd); 2187 fd_kill (EV_A_ fd);
2003} 2188}
2004 2189
2005/* called on ENOMEM in select/poll to kill some fds and retry */ 2190/* called on ENOMEM in select/poll to kill some fds and retry */
2006static void noinline ecb_cold 2191noinline ecb_cold
2192static void
2007fd_enomem (EV_P) 2193fd_enomem (EV_P)
2008{ 2194{
2009 int fd; 2195 int fd;
2010 2196
2011 for (fd = anfdmax; fd--; ) 2197 for (fd = anfdmax; fd--; )
2015 break; 2201 break;
2016 } 2202 }
2017} 2203}
2018 2204
2019/* usually called after fork if backend needs to re-arm all fds from scratch */ 2205/* usually called after fork if backend needs to re-arm all fds from scratch */
2020static void noinline 2206noinline
2207static void
2021fd_rearm_all (EV_P) 2208fd_rearm_all (EV_P)
2022{ 2209{
2023 int fd; 2210 int fd;
2024 2211
2025 for (fd = 0; fd < anfdmax; ++fd) 2212 for (fd = 0; fd < anfdmax; ++fd)
2206 2393
2207/*****************************************************************************/ 2394/*****************************************************************************/
2208 2395
2209#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 2396#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2210 2397
2211static void noinline ecb_cold 2398noinline ecb_cold
2399static void
2212evpipe_init (EV_P) 2400evpipe_init (EV_P)
2213{ 2401{
2214 if (!ev_is_active (&pipe_w)) 2402 if (!ev_is_active (&pipe_w))
2215 { 2403 {
2216 int fds [2]; 2404 int fds [2];
2287#endif 2475#endif
2288 { 2476 {
2289#ifdef _WIN32 2477#ifdef _WIN32
2290 WSABUF buf; 2478 WSABUF buf;
2291 DWORD sent; 2479 DWORD sent;
2292 buf.buf = &buf; 2480 buf.buf = (char *)&buf;
2293 buf.len = 1; 2481 buf.len = 1;
2294 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0); 2482 WSASend (EV_FD_TO_WIN32_HANDLE (evpipe [1]), &buf, 1, &sent, 0, 0, 0);
2295#else 2483#else
2296 write (evpipe [1], &(evpipe [1]), 1); 2484 write (evpipe [1], &(evpipe [1]), 1);
2297#endif 2485#endif
2369} 2557}
2370 2558
2371/*****************************************************************************/ 2559/*****************************************************************************/
2372 2560
2373void 2561void
2374ev_feed_signal (int signum) EV_THROW 2562ev_feed_signal (int signum) EV_NOEXCEPT
2375{ 2563{
2376#if EV_MULTIPLICITY 2564#if EV_MULTIPLICITY
2377 EV_P; 2565 EV_P;
2378 ECB_MEMORY_FENCE_ACQUIRE; 2566 ECB_MEMORY_FENCE_ACQUIRE;
2379 EV_A = signals [signum - 1].loop; 2567 EV_A = signals [signum - 1].loop;
2394#endif 2582#endif
2395 2583
2396 ev_feed_signal (signum); 2584 ev_feed_signal (signum);
2397} 2585}
2398 2586
2399void noinline 2587noinline
2588void
2400ev_feed_signal_event (EV_P_ int signum) EV_THROW 2589ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT
2401{ 2590{
2402 WL w; 2591 WL w;
2403 2592
2404 if (expect_false (signum <= 0 || signum >= EV_NSIG)) 2593 if (expect_false (signum <= 0 || signum >= EV_NSIG))
2405 return; 2594 return;
2521#endif 2710#endif
2522#if EV_USE_SELECT 2711#if EV_USE_SELECT
2523# include "ev_select.c" 2712# include "ev_select.c"
2524#endif 2713#endif
2525 2714
2526int ecb_cold 2715ecb_cold int
2527ev_version_major (void) EV_THROW 2716ev_version_major (void) EV_NOEXCEPT
2528{ 2717{
2529 return EV_VERSION_MAJOR; 2718 return EV_VERSION_MAJOR;
2530} 2719}
2531 2720
2532int ecb_cold 2721ecb_cold int
2533ev_version_minor (void) EV_THROW 2722ev_version_minor (void) EV_NOEXCEPT
2534{ 2723{
2535 return EV_VERSION_MINOR; 2724 return EV_VERSION_MINOR;
2536} 2725}
2537 2726
2538/* return true if we are running with elevated privileges and should ignore env variables */ 2727/* return true if we are running with elevated privileges and should ignore env variables */
2539int inline_size ecb_cold 2728inline_size ecb_cold int
2540enable_secure (void) 2729enable_secure (void)
2541{ 2730{
2542#ifdef _WIN32 2731#ifdef _WIN32
2543 return 0; 2732 return 0;
2544#else 2733#else
2545 return getuid () != geteuid () 2734 return getuid () != geteuid ()
2546 || getgid () != getegid (); 2735 || getgid () != getegid ();
2547#endif 2736#endif
2548} 2737}
2549 2738
2550unsigned int ecb_cold 2739ecb_cold
2740unsigned int
2551ev_supported_backends (void) EV_THROW 2741ev_supported_backends (void) EV_NOEXCEPT
2552{ 2742{
2553 unsigned int flags = 0; 2743 unsigned int flags = 0;
2554 2744
2555 if (EV_USE_PORT ) flags |= EVBACKEND_PORT; 2745 if (EV_USE_PORT ) flags |= EVBACKEND_PORT;
2556 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; 2746 if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE;
2559 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; 2749 if (EV_USE_SELECT) flags |= EVBACKEND_SELECT;
2560 2750
2561 return flags; 2751 return flags;
2562} 2752}
2563 2753
2564unsigned int ecb_cold 2754ecb_cold
2755unsigned int
2565ev_recommended_backends (void) EV_THROW 2756ev_recommended_backends (void) EV_NOEXCEPT
2566{ 2757{
2567 unsigned int flags = ev_supported_backends (); 2758 unsigned int flags = ev_supported_backends ();
2568 2759
2569#ifndef __NetBSD__ 2760#ifndef __NetBSD__
2570 /* kqueue is borked on everything but netbsd apparently */ 2761 /* kqueue is borked on everything but netbsd apparently */
2581#endif 2772#endif
2582 2773
2583 return flags; 2774 return flags;
2584} 2775}
2585 2776
2586unsigned int ecb_cold 2777ecb_cold
2778unsigned int
2587ev_embeddable_backends (void) EV_THROW 2779ev_embeddable_backends (void) EV_NOEXCEPT
2588{ 2780{
2589 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; 2781 int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT;
2590 2782
2591 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ 2783 /* epoll embeddability broken on all linux versions up to at least 2.6.23 */
2592 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */ 2784 if (ev_linux_version () < 0x020620) /* disable it on linux < 2.6.32 */
2594 2786
2595 return flags; 2787 return flags;
2596} 2788}
2597 2789
2598unsigned int 2790unsigned int
2599ev_backend (EV_P) EV_THROW 2791ev_backend (EV_P) EV_NOEXCEPT
2600{ 2792{
2601 return backend; 2793 return backend;
2602} 2794}
2603 2795
2604#if EV_FEATURE_API 2796#if EV_FEATURE_API
2605unsigned int 2797unsigned int
2606ev_iteration (EV_P) EV_THROW 2798ev_iteration (EV_P) EV_NOEXCEPT
2607{ 2799{
2608 return loop_count; 2800 return loop_count;
2609} 2801}
2610 2802
2611unsigned int 2803unsigned int
2612ev_depth (EV_P) EV_THROW 2804ev_depth (EV_P) EV_NOEXCEPT
2613{ 2805{
2614 return loop_depth; 2806 return loop_depth;
2615} 2807}
2616 2808
2617void 2809void
2618ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2810ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2619{ 2811{
2620 io_blocktime = interval; 2812 io_blocktime = interval;
2621} 2813}
2622 2814
2623void 2815void
2624ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW 2816ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT
2625{ 2817{
2626 timeout_blocktime = interval; 2818 timeout_blocktime = interval;
2627} 2819}
2628 2820
2629void 2821void
2630ev_set_userdata (EV_P_ void *data) EV_THROW 2822ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT
2631{ 2823{
2632 userdata = data; 2824 userdata = data;
2633} 2825}
2634 2826
2635void * 2827void *
2636ev_userdata (EV_P) EV_THROW 2828ev_userdata (EV_P) EV_NOEXCEPT
2637{ 2829{
2638 return userdata; 2830 return userdata;
2639} 2831}
2640 2832
2641void 2833void
2642ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW 2834ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT
2643{ 2835{
2644 invoke_cb = invoke_pending_cb; 2836 invoke_cb = invoke_pending_cb;
2645} 2837}
2646 2838
2647void 2839void
2648ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW 2840ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT
2649{ 2841{
2650 release_cb = release; 2842 release_cb = release;
2651 acquire_cb = acquire; 2843 acquire_cb = acquire;
2652} 2844}
2653#endif 2845#endif
2654 2846
2655/* initialise a loop structure, must be zero-initialised */ 2847/* initialise a loop structure, must be zero-initialised */
2656static void noinline ecb_cold 2848noinline ecb_cold
2849static void
2657loop_init (EV_P_ unsigned int flags) EV_THROW 2850loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT
2658{ 2851{
2659 if (!backend) 2852 if (!backend)
2660 { 2853 {
2661 origflags = flags; 2854 origflags = flags;
2662 2855
2748#endif 2941#endif
2749 } 2942 }
2750} 2943}
2751 2944
2752/* free up a loop structure */ 2945/* free up a loop structure */
2753void ecb_cold 2946ecb_cold
2947void
2754ev_loop_destroy (EV_P) 2948ev_loop_destroy (EV_P)
2755{ 2949{
2756 int i; 2950 int i;
2757 2951
2758#if EV_MULTIPLICITY 2952#if EV_MULTIPLICITY
2879#if EV_USE_INOTIFY 3073#if EV_USE_INOTIFY
2880 infy_fork (EV_A); 3074 infy_fork (EV_A);
2881#endif 3075#endif
2882 3076
2883#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE 3077#if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE
2884 if (ev_is_active (&pipe_w)) 3078 if (ev_is_active (&pipe_w) && postfork != 2)
2885 { 3079 {
2886 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ 3080 /* pipe_write_wanted must be false now, so modifying fd vars should be safe */
2887 3081
2888 ev_ref (EV_A); 3082 ev_ref (EV_A);
2889 ev_io_stop (EV_A_ &pipe_w); 3083 ev_io_stop (EV_A_ &pipe_w);
2900 postfork = 0; 3094 postfork = 0;
2901} 3095}
2902 3096
2903#if EV_MULTIPLICITY 3097#if EV_MULTIPLICITY
2904 3098
3099ecb_cold
2905struct ev_loop * ecb_cold 3100struct ev_loop *
2906ev_loop_new (unsigned int flags) EV_THROW 3101ev_loop_new (unsigned int flags) EV_NOEXCEPT
2907{ 3102{
2908 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); 3103 EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop));
2909 3104
2910 memset (EV_A, 0, sizeof (struct ev_loop)); 3105 memset (EV_A, 0, sizeof (struct ev_loop));
2911 loop_init (EV_A_ flags); 3106 loop_init (EV_A_ flags);
2918} 3113}
2919 3114
2920#endif /* multiplicity */ 3115#endif /* multiplicity */
2921 3116
2922#if EV_VERIFY 3117#if EV_VERIFY
2923static void noinline ecb_cold 3118noinline ecb_cold
3119static void
2924verify_watcher (EV_P_ W w) 3120verify_watcher (EV_P_ W w)
2925{ 3121{
2926 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); 3122 assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI));
2927 3123
2928 if (w->pending) 3124 if (w->pending)
2929 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); 3125 assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w));
2930} 3126}
2931 3127
2932static void noinline ecb_cold 3128noinline ecb_cold
3129static void
2933verify_heap (EV_P_ ANHE *heap, int N) 3130verify_heap (EV_P_ ANHE *heap, int N)
2934{ 3131{
2935 int i; 3132 int i;
2936 3133
2937 for (i = HEAP0; i < N + HEAP0; ++i) 3134 for (i = HEAP0; i < N + HEAP0; ++i)
2942 3139
2943 verify_watcher (EV_A_ (W)ANHE_w (heap [i])); 3140 verify_watcher (EV_A_ (W)ANHE_w (heap [i]));
2944 } 3141 }
2945} 3142}
2946 3143
2947static void noinline ecb_cold 3144noinline ecb_cold
3145static void
2948array_verify (EV_P_ W *ws, int cnt) 3146array_verify (EV_P_ W *ws, int cnt)
2949{ 3147{
2950 while (cnt--) 3148 while (cnt--)
2951 { 3149 {
2952 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); 3150 assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1));
2955} 3153}
2956#endif 3154#endif
2957 3155
2958#if EV_FEATURE_API 3156#if EV_FEATURE_API
2959void ecb_cold 3157void ecb_cold
2960ev_verify (EV_P) EV_THROW 3158ev_verify (EV_P) EV_NOEXCEPT
2961{ 3159{
2962#if EV_VERIFY 3160#if EV_VERIFY
2963 int i; 3161 int i;
2964 WL w, w2; 3162 WL w, w2;
2965 3163
3041#endif 3239#endif
3042} 3240}
3043#endif 3241#endif
3044 3242
3045#if EV_MULTIPLICITY 3243#if EV_MULTIPLICITY
3244ecb_cold
3046struct ev_loop * ecb_cold 3245struct ev_loop *
3047#else 3246#else
3048int 3247int
3049#endif 3248#endif
3050ev_default_loop (unsigned int flags) EV_THROW 3249ev_default_loop (unsigned int flags) EV_NOEXCEPT
3051{ 3250{
3052 if (!ev_default_loop_ptr) 3251 if (!ev_default_loop_ptr)
3053 { 3252 {
3054#if EV_MULTIPLICITY 3253#if EV_MULTIPLICITY
3055 EV_P = ev_default_loop_ptr = &default_loop_struct; 3254 EV_P = ev_default_loop_ptr = &default_loop_struct;
3074 3273
3075 return ev_default_loop_ptr; 3274 return ev_default_loop_ptr;
3076} 3275}
3077 3276
3078void 3277void
3079ev_loop_fork (EV_P) EV_THROW 3278ev_loop_fork (EV_P) EV_NOEXCEPT
3080{ 3279{
3081 postfork = 1; 3280 postfork = 1;
3082} 3281}
3083 3282
3084/*****************************************************************************/ 3283/*****************************************************************************/
3088{ 3287{
3089 EV_CB_INVOKE ((W)w, revents); 3288 EV_CB_INVOKE ((W)w, revents);
3090} 3289}
3091 3290
3092unsigned int 3291unsigned int
3093ev_pending_count (EV_P) EV_THROW 3292ev_pending_count (EV_P) EV_NOEXCEPT
3094{ 3293{
3095 int pri; 3294 int pri;
3096 unsigned int count = 0; 3295 unsigned int count = 0;
3097 3296
3098 for (pri = NUMPRI; pri--; ) 3297 for (pri = NUMPRI; pri--; )
3099 count += pendingcnt [pri]; 3298 count += pendingcnt [pri];
3100 3299
3101 return count; 3300 return count;
3102} 3301}
3103 3302
3104void noinline 3303noinline
3304void
3105ev_invoke_pending (EV_P) 3305ev_invoke_pending (EV_P)
3106{ 3306{
3107 pendingpri = NUMPRI; 3307 pendingpri = NUMPRI;
3108 3308
3109 while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ 3309 do
3110 { 3310 {
3111 --pendingpri; 3311 --pendingpri;
3112 3312
3313 /* pendingpri possibly gets modified in the inner loop */
3113 while (pendingcnt [pendingpri]) 3314 while (pendingcnt [pendingpri])
3114 { 3315 {
3115 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; 3316 ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
3116 3317
3117 p->w->pending = 0; 3318 p->w->pending = 0;
3118 EV_CB_INVOKE (p->w, p->events); 3319 EV_CB_INVOKE (p->w, p->events);
3119 EV_FREQUENT_CHECK; 3320 EV_FREQUENT_CHECK;
3120 } 3321 }
3121 } 3322 }
3323 while (pendingpri);
3122} 3324}
3123 3325
3124#if EV_IDLE_ENABLE 3326#if EV_IDLE_ENABLE
3125/* make idle watchers pending. this handles the "call-idle */ 3327/* make idle watchers pending. this handles the "call-idle */
3126/* only when higher priorities are idle" logic */ 3328/* only when higher priorities are idle" logic */
3184 } 3386 }
3185} 3387}
3186 3388
3187#if EV_PERIODIC_ENABLE 3389#if EV_PERIODIC_ENABLE
3188 3390
3189static void noinline 3391noinline
3392static void
3190periodic_recalc (EV_P_ ev_periodic *w) 3393periodic_recalc (EV_P_ ev_periodic *w)
3191{ 3394{
3192 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; 3395 ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL;
3193 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); 3396 ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval);
3194 3397
3252 } 3455 }
3253} 3456}
3254 3457
3255/* simply recalculate all periodics */ 3458/* simply recalculate all periodics */
3256/* TODO: maybe ensure that at least one event happens when jumping forward? */ 3459/* TODO: maybe ensure that at least one event happens when jumping forward? */
3257static void noinline ecb_cold 3460noinline ecb_cold
3461static void
3258periodics_reschedule (EV_P) 3462periodics_reschedule (EV_P)
3259{ 3463{
3260 int i; 3464 int i;
3261 3465
3262 /* adjust periodics after time jump */ 3466 /* adjust periodics after time jump */
3275 reheap (periodics, periodiccnt); 3479 reheap (periodics, periodiccnt);
3276} 3480}
3277#endif 3481#endif
3278 3482
3279/* adjust all timers by a given offset */ 3483/* adjust all timers by a given offset */
3280static void noinline ecb_cold 3484noinline ecb_cold
3485static void
3281timers_reschedule (EV_P_ ev_tstamp adjust) 3486timers_reschedule (EV_P_ ev_tstamp adjust)
3282{ 3487{
3283 int i; 3488 int i;
3284 3489
3285 for (i = 0; i < timercnt; ++i) 3490 for (i = 0; i < timercnt; ++i)
3532 3737
3533 return activecnt; 3738 return activecnt;
3534} 3739}
3535 3740
3536void 3741void
3537ev_break (EV_P_ int how) EV_THROW 3742ev_break (EV_P_ int how) EV_NOEXCEPT
3538{ 3743{
3539 loop_done = how; 3744 loop_done = how;
3540} 3745}
3541 3746
3542void 3747void
3543ev_ref (EV_P) EV_THROW 3748ev_ref (EV_P) EV_NOEXCEPT
3544{ 3749{
3545 ++activecnt; 3750 ++activecnt;
3546} 3751}
3547 3752
3548void 3753void
3549ev_unref (EV_P) EV_THROW 3754ev_unref (EV_P) EV_NOEXCEPT
3550{ 3755{
3551 --activecnt; 3756 --activecnt;
3552} 3757}
3553 3758
3554void 3759void
3555ev_now_update (EV_P) EV_THROW 3760ev_now_update (EV_P) EV_NOEXCEPT
3556{ 3761{
3557 time_update (EV_A_ 1e100); 3762 time_update (EV_A_ 1e100);
3558} 3763}
3559 3764
3560void 3765void
3561ev_suspend (EV_P) EV_THROW 3766ev_suspend (EV_P) EV_NOEXCEPT
3562{ 3767{
3563 ev_now_update (EV_A); 3768 ev_now_update (EV_A);
3564} 3769}
3565 3770
3566void 3771void
3567ev_resume (EV_P) EV_THROW 3772ev_resume (EV_P) EV_NOEXCEPT
3568{ 3773{
3569 ev_tstamp mn_prev = mn_now; 3774 ev_tstamp mn_prev = mn_now;
3570 3775
3571 ev_now_update (EV_A); 3776 ev_now_update (EV_A);
3572 timers_reschedule (EV_A_ mn_now - mn_prev); 3777 timers_reschedule (EV_A_ mn_now - mn_prev);
3611 w->pending = 0; 3816 w->pending = 0;
3612 } 3817 }
3613} 3818}
3614 3819
3615int 3820int
3616ev_clear_pending (EV_P_ void *w) EV_THROW 3821ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT
3617{ 3822{
3618 W w_ = (W)w; 3823 W w_ = (W)w;
3619 int pending = w_->pending; 3824 int pending = w_->pending;
3620 3825
3621 if (expect_true (pending)) 3826 if (expect_true (pending))
3653 w->active = 0; 3858 w->active = 0;
3654} 3859}
3655 3860
3656/*****************************************************************************/ 3861/*****************************************************************************/
3657 3862
3658void noinline 3863noinline
3864void
3659ev_io_start (EV_P_ ev_io *w) EV_THROW 3865ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT
3660{ 3866{
3661 int fd = w->fd; 3867 int fd = w->fd;
3662 3868
3663 if (expect_false (ev_is_active (w))) 3869 if (expect_false (ev_is_active (w)))
3664 return; 3870 return;
3679 w->events &= ~EV__IOFDSET; 3885 w->events &= ~EV__IOFDSET;
3680 3886
3681 EV_FREQUENT_CHECK; 3887 EV_FREQUENT_CHECK;
3682} 3888}
3683 3889
3684void noinline 3890noinline
3891void
3685ev_io_stop (EV_P_ ev_io *w) EV_THROW 3892ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT
3686{ 3893{
3687 clear_pending (EV_A_ (W)w); 3894 clear_pending (EV_A_ (W)w);
3688 if (expect_false (!ev_is_active (w))) 3895 if (expect_false (!ev_is_active (w)))
3689 return; 3896 return;
3690 3897
3698 fd_change (EV_A_ w->fd, EV_ANFD_REIFY); 3905 fd_change (EV_A_ w->fd, EV_ANFD_REIFY);
3699 3906
3700 EV_FREQUENT_CHECK; 3907 EV_FREQUENT_CHECK;
3701} 3908}
3702 3909
3703void noinline 3910noinline
3911void
3704ev_timer_start (EV_P_ ev_timer *w) EV_THROW 3912ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT
3705{ 3913{
3706 if (expect_false (ev_is_active (w))) 3914 if (expect_false (ev_is_active (w)))
3707 return; 3915 return;
3708 3916
3709 ev_at (w) += mn_now; 3917 ev_at (w) += mn_now;
3722 EV_FREQUENT_CHECK; 3930 EV_FREQUENT_CHECK;
3723 3931
3724 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ 3932 /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/
3725} 3933}
3726 3934
3727void noinline 3935noinline
3936void
3728ev_timer_stop (EV_P_ ev_timer *w) EV_THROW 3937ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT
3729{ 3938{
3730 clear_pending (EV_A_ (W)w); 3939 clear_pending (EV_A_ (W)w);
3731 if (expect_false (!ev_is_active (w))) 3940 if (expect_false (!ev_is_active (w)))
3732 return; 3941 return;
3733 3942
3752 ev_stop (EV_A_ (W)w); 3961 ev_stop (EV_A_ (W)w);
3753 3962
3754 EV_FREQUENT_CHECK; 3963 EV_FREQUENT_CHECK;
3755} 3964}
3756 3965
3757void noinline 3966noinline
3967void
3758ev_timer_again (EV_P_ ev_timer *w) EV_THROW 3968ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT
3759{ 3969{
3760 EV_FREQUENT_CHECK; 3970 EV_FREQUENT_CHECK;
3761 3971
3762 clear_pending (EV_A_ (W)w); 3972 clear_pending (EV_A_ (W)w);
3763 3973
3780 3990
3781 EV_FREQUENT_CHECK; 3991 EV_FREQUENT_CHECK;
3782} 3992}
3783 3993
3784ev_tstamp 3994ev_tstamp
3785ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW 3995ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT
3786{ 3996{
3787 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); 3997 return ev_at (w) - (ev_is_active (w) ? mn_now : 0.);
3788} 3998}
3789 3999
3790#if EV_PERIODIC_ENABLE 4000#if EV_PERIODIC_ENABLE
3791void noinline 4001noinline
4002void
3792ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW 4003ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT
3793{ 4004{
3794 if (expect_false (ev_is_active (w))) 4005 if (expect_false (ev_is_active (w)))
3795 return; 4006 return;
3796 4007
3797 if (w->reschedule_cb) 4008 if (w->reschedule_cb)
3816 EV_FREQUENT_CHECK; 4027 EV_FREQUENT_CHECK;
3817 4028
3818 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ 4029 /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/
3819} 4030}
3820 4031
3821void noinline 4032noinline
4033void
3822ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW 4034ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT
3823{ 4035{
3824 clear_pending (EV_A_ (W)w); 4036 clear_pending (EV_A_ (W)w);
3825 if (expect_false (!ev_is_active (w))) 4037 if (expect_false (!ev_is_active (w)))
3826 return; 4038 return;
3827 4039
3844 ev_stop (EV_A_ (W)w); 4056 ev_stop (EV_A_ (W)w);
3845 4057
3846 EV_FREQUENT_CHECK; 4058 EV_FREQUENT_CHECK;
3847} 4059}
3848 4060
3849void noinline 4061noinline
4062void
3850ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW 4063ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT
3851{ 4064{
3852 /* TODO: use adjustheap and recalculation */ 4065 /* TODO: use adjustheap and recalculation */
3853 ev_periodic_stop (EV_A_ w); 4066 ev_periodic_stop (EV_A_ w);
3854 ev_periodic_start (EV_A_ w); 4067 ev_periodic_start (EV_A_ w);
3855} 4068}
3859# define SA_RESTART 0 4072# define SA_RESTART 0
3860#endif 4073#endif
3861 4074
3862#if EV_SIGNAL_ENABLE 4075#if EV_SIGNAL_ENABLE
3863 4076
3864void noinline 4077noinline
4078void
3865ev_signal_start (EV_P_ ev_signal *w) EV_THROW 4079ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT
3866{ 4080{
3867 if (expect_false (ev_is_active (w))) 4081 if (expect_false (ev_is_active (w)))
3868 return; 4082 return;
3869 4083
3870 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG)); 4084 assert (("libev: ev_signal_start called with illegal signal number", w->signum > 0 && w->signum < EV_NSIG));
3941 } 4155 }
3942 4156
3943 EV_FREQUENT_CHECK; 4157 EV_FREQUENT_CHECK;
3944} 4158}
3945 4159
3946void noinline 4160noinline
4161void
3947ev_signal_stop (EV_P_ ev_signal *w) EV_THROW 4162ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT
3948{ 4163{
3949 clear_pending (EV_A_ (W)w); 4164 clear_pending (EV_A_ (W)w);
3950 if (expect_false (!ev_is_active (w))) 4165 if (expect_false (!ev_is_active (w)))
3951 return; 4166 return;
3952 4167
3983#endif 4198#endif
3984 4199
3985#if EV_CHILD_ENABLE 4200#if EV_CHILD_ENABLE
3986 4201
3987void 4202void
3988ev_child_start (EV_P_ ev_child *w) EV_THROW 4203ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT
3989{ 4204{
3990#if EV_MULTIPLICITY 4205#if EV_MULTIPLICITY
3991 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr)); 4206 assert (("libev: child watchers are only supported in the default loop", loop == ev_default_loop_ptr));
3992#endif 4207#endif
3993 if (expect_false (ev_is_active (w))) 4208 if (expect_false (ev_is_active (w)))
4000 4215
4001 EV_FREQUENT_CHECK; 4216 EV_FREQUENT_CHECK;
4002} 4217}
4003 4218
4004void 4219void
4005ev_child_stop (EV_P_ ev_child *w) EV_THROW 4220ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT
4006{ 4221{
4007 clear_pending (EV_A_ (W)w); 4222 clear_pending (EV_A_ (W)w);
4008 if (expect_false (!ev_is_active (w))) 4223 if (expect_false (!ev_is_active (w)))
4009 return; 4224 return;
4010 4225
4027 4242
4028#define DEF_STAT_INTERVAL 5.0074891 4243#define DEF_STAT_INTERVAL 5.0074891
4029#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ 4244#define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */
4030#define MIN_STAT_INTERVAL 0.1074891 4245#define MIN_STAT_INTERVAL 0.1074891
4031 4246
4032static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); 4247noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents);
4033 4248
4034#if EV_USE_INOTIFY 4249#if EV_USE_INOTIFY
4035 4250
4036/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ 4251/* the * 2 is to allow for alignment padding, which for some reason is >> 8 */
4037# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) 4252# define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX)
4038 4253
4039static void noinline 4254noinline
4255static void
4040infy_add (EV_P_ ev_stat *w) 4256infy_add (EV_P_ ev_stat *w)
4041{ 4257{
4042 w->wd = inotify_add_watch (fs_fd, w->path, 4258 w->wd = inotify_add_watch (fs_fd, w->path,
4043 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY 4259 IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY
4044 | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO 4260 | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO
4108 if (ev_is_active (&w->timer)) ev_ref (EV_A); 4324 if (ev_is_active (&w->timer)) ev_ref (EV_A);
4109 ev_timer_again (EV_A_ &w->timer); 4325 ev_timer_again (EV_A_ &w->timer);
4110 if (ev_is_active (&w->timer)) ev_unref (EV_A); 4326 if (ev_is_active (&w->timer)) ev_unref (EV_A);
4111} 4327}
4112 4328
4113static void noinline 4329noinline
4330static void
4114infy_del (EV_P_ ev_stat *w) 4331infy_del (EV_P_ ev_stat *w)
4115{ 4332{
4116 int slot; 4333 int slot;
4117 int wd = w->wd; 4334 int wd = w->wd;
4118 4335
4125 4342
4126 /* remove this watcher, if others are watching it, they will rearm */ 4343 /* remove this watcher, if others are watching it, they will rearm */
4127 inotify_rm_watch (fs_fd, wd); 4344 inotify_rm_watch (fs_fd, wd);
4128} 4345}
4129 4346
4130static void noinline 4347noinline
4348static void
4131infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) 4349infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev)
4132{ 4350{
4133 if (slot < 0) 4351 if (slot < 0)
4134 /* overflow, need to check for all hash slots */ 4352 /* overflow, need to check for all hash slots */
4135 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) 4353 for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot)
4171 infy_wd (EV_A_ ev->wd, ev->wd, ev); 4389 infy_wd (EV_A_ ev->wd, ev->wd, ev);
4172 ofs += sizeof (struct inotify_event) + ev->len; 4390 ofs += sizeof (struct inotify_event) + ev->len;
4173 } 4391 }
4174} 4392}
4175 4393
4176inline_size void ecb_cold 4394inline_size ecb_cold
4395void
4177ev_check_2625 (EV_P) 4396ev_check_2625 (EV_P)
4178{ 4397{
4179 /* kernels < 2.6.25 are borked 4398 /* kernels < 2.6.25 are borked
4180 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html 4399 * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html
4181 */ 4400 */
4271#else 4490#else
4272# define EV_LSTAT(p,b) lstat (p, b) 4491# define EV_LSTAT(p,b) lstat (p, b)
4273#endif 4492#endif
4274 4493
4275void 4494void
4276ev_stat_stat (EV_P_ ev_stat *w) EV_THROW 4495ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT
4277{ 4496{
4278 if (lstat (w->path, &w->attr) < 0) 4497 if (lstat (w->path, &w->attr) < 0)
4279 w->attr.st_nlink = 0; 4498 w->attr.st_nlink = 0;
4280 else if (!w->attr.st_nlink) 4499 else if (!w->attr.st_nlink)
4281 w->attr.st_nlink = 1; 4500 w->attr.st_nlink = 1;
4282} 4501}
4283 4502
4284static void noinline 4503noinline
4504static void
4285stat_timer_cb (EV_P_ ev_timer *w_, int revents) 4505stat_timer_cb (EV_P_ ev_timer *w_, int revents)
4286{ 4506{
4287 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); 4507 ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer));
4288 4508
4289 ev_statdata prev = w->attr; 4509 ev_statdata prev = w->attr;
4320 ev_feed_event (EV_A_ w, EV_STAT); 4540 ev_feed_event (EV_A_ w, EV_STAT);
4321 } 4541 }
4322} 4542}
4323 4543
4324void 4544void
4325ev_stat_start (EV_P_ ev_stat *w) EV_THROW 4545ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT
4326{ 4546{
4327 if (expect_false (ev_is_active (w))) 4547 if (expect_false (ev_is_active (w)))
4328 return; 4548 return;
4329 4549
4330 ev_stat_stat (EV_A_ w); 4550 ev_stat_stat (EV_A_ w);
4351 4571
4352 EV_FREQUENT_CHECK; 4572 EV_FREQUENT_CHECK;
4353} 4573}
4354 4574
4355void 4575void
4356ev_stat_stop (EV_P_ ev_stat *w) EV_THROW 4576ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT
4357{ 4577{
4358 clear_pending (EV_A_ (W)w); 4578 clear_pending (EV_A_ (W)w);
4359 if (expect_false (!ev_is_active (w))) 4579 if (expect_false (!ev_is_active (w)))
4360 return; 4580 return;
4361 4581
4377} 4597}
4378#endif 4598#endif
4379 4599
4380#if EV_IDLE_ENABLE 4600#if EV_IDLE_ENABLE
4381void 4601void
4382ev_idle_start (EV_P_ ev_idle *w) EV_THROW 4602ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT
4383{ 4603{
4384 if (expect_false (ev_is_active (w))) 4604 if (expect_false (ev_is_active (w)))
4385 return; 4605 return;
4386 4606
4387 pri_adjust (EV_A_ (W)w); 4607 pri_adjust (EV_A_ (W)w);
4400 4620
4401 EV_FREQUENT_CHECK; 4621 EV_FREQUENT_CHECK;
4402} 4622}
4403 4623
4404void 4624void
4405ev_idle_stop (EV_P_ ev_idle *w) EV_THROW 4625ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT
4406{ 4626{
4407 clear_pending (EV_A_ (W)w); 4627 clear_pending (EV_A_ (W)w);
4408 if (expect_false (!ev_is_active (w))) 4628 if (expect_false (!ev_is_active (w)))
4409 return; 4629 return;
4410 4630
4424} 4644}
4425#endif 4645#endif
4426 4646
4427#if EV_PREPARE_ENABLE 4647#if EV_PREPARE_ENABLE
4428void 4648void
4429ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW 4649ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT
4430{ 4650{
4431 if (expect_false (ev_is_active (w))) 4651 if (expect_false (ev_is_active (w)))
4432 return; 4652 return;
4433 4653
4434 EV_FREQUENT_CHECK; 4654 EV_FREQUENT_CHECK;
4439 4659
4440 EV_FREQUENT_CHECK; 4660 EV_FREQUENT_CHECK;
4441} 4661}
4442 4662
4443void 4663void
4444ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW 4664ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT
4445{ 4665{
4446 clear_pending (EV_A_ (W)w); 4666 clear_pending (EV_A_ (W)w);
4447 if (expect_false (!ev_is_active (w))) 4667 if (expect_false (!ev_is_active (w)))
4448 return; 4668 return;
4449 4669
4462} 4682}
4463#endif 4683#endif
4464 4684
4465#if EV_CHECK_ENABLE 4685#if EV_CHECK_ENABLE
4466void 4686void
4467ev_check_start (EV_P_ ev_check *w) EV_THROW 4687ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT
4468{ 4688{
4469 if (expect_false (ev_is_active (w))) 4689 if (expect_false (ev_is_active (w)))
4470 return; 4690 return;
4471 4691
4472 EV_FREQUENT_CHECK; 4692 EV_FREQUENT_CHECK;
4477 4697
4478 EV_FREQUENT_CHECK; 4698 EV_FREQUENT_CHECK;
4479} 4699}
4480 4700
4481void 4701void
4482ev_check_stop (EV_P_ ev_check *w) EV_THROW 4702ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT
4483{ 4703{
4484 clear_pending (EV_A_ (W)w); 4704 clear_pending (EV_A_ (W)w);
4485 if (expect_false (!ev_is_active (w))) 4705 if (expect_false (!ev_is_active (w)))
4486 return; 4706 return;
4487 4707
4499 EV_FREQUENT_CHECK; 4719 EV_FREQUENT_CHECK;
4500} 4720}
4501#endif 4721#endif
4502 4722
4503#if EV_EMBED_ENABLE 4723#if EV_EMBED_ENABLE
4504void noinline 4724noinline
4725void
4505ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW 4726ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT
4506{ 4727{
4507 ev_run (w->other, EVRUN_NOWAIT); 4728 ev_run (w->other, EVRUN_NOWAIT);
4508} 4729}
4509 4730
4510static void 4731static void
4558 ev_idle_stop (EV_A_ idle); 4779 ev_idle_stop (EV_A_ idle);
4559} 4780}
4560#endif 4781#endif
4561 4782
4562void 4783void
4563ev_embed_start (EV_P_ ev_embed *w) EV_THROW 4784ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT
4564{ 4785{
4565 if (expect_false (ev_is_active (w))) 4786 if (expect_false (ev_is_active (w)))
4566 return; 4787 return;
4567 4788
4568 { 4789 {
4589 4810
4590 EV_FREQUENT_CHECK; 4811 EV_FREQUENT_CHECK;
4591} 4812}
4592 4813
4593void 4814void
4594ev_embed_stop (EV_P_ ev_embed *w) EV_THROW 4815ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT
4595{ 4816{
4596 clear_pending (EV_A_ (W)w); 4817 clear_pending (EV_A_ (W)w);
4597 if (expect_false (!ev_is_active (w))) 4818 if (expect_false (!ev_is_active (w)))
4598 return; 4819 return;
4599 4820
4609} 4830}
4610#endif 4831#endif
4611 4832
4612#if EV_FORK_ENABLE 4833#if EV_FORK_ENABLE
4613void 4834void
4614ev_fork_start (EV_P_ ev_fork *w) EV_THROW 4835ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT
4615{ 4836{
4616 if (expect_false (ev_is_active (w))) 4837 if (expect_false (ev_is_active (w)))
4617 return; 4838 return;
4618 4839
4619 EV_FREQUENT_CHECK; 4840 EV_FREQUENT_CHECK;
4624 4845
4625 EV_FREQUENT_CHECK; 4846 EV_FREQUENT_CHECK;
4626} 4847}
4627 4848
4628void 4849void
4629ev_fork_stop (EV_P_ ev_fork *w) EV_THROW 4850ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT
4630{ 4851{
4631 clear_pending (EV_A_ (W)w); 4852 clear_pending (EV_A_ (W)w);
4632 if (expect_false (!ev_is_active (w))) 4853 if (expect_false (!ev_is_active (w)))
4633 return; 4854 return;
4634 4855
4647} 4868}
4648#endif 4869#endif
4649 4870
4650#if EV_CLEANUP_ENABLE 4871#if EV_CLEANUP_ENABLE
4651void 4872void
4652ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW 4873ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4653{ 4874{
4654 if (expect_false (ev_is_active (w))) 4875 if (expect_false (ev_is_active (w)))
4655 return; 4876 return;
4656 4877
4657 EV_FREQUENT_CHECK; 4878 EV_FREQUENT_CHECK;
4664 ev_unref (EV_A); 4885 ev_unref (EV_A);
4665 EV_FREQUENT_CHECK; 4886 EV_FREQUENT_CHECK;
4666} 4887}
4667 4888
4668void 4889void
4669ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW 4890ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT
4670{ 4891{
4671 clear_pending (EV_A_ (W)w); 4892 clear_pending (EV_A_ (W)w);
4672 if (expect_false (!ev_is_active (w))) 4893 if (expect_false (!ev_is_active (w)))
4673 return; 4894 return;
4674 4895
4688} 4909}
4689#endif 4910#endif
4690 4911
4691#if EV_ASYNC_ENABLE 4912#if EV_ASYNC_ENABLE
4692void 4913void
4693ev_async_start (EV_P_ ev_async *w) EV_THROW 4914ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT
4694{ 4915{
4695 if (expect_false (ev_is_active (w))) 4916 if (expect_false (ev_is_active (w)))
4696 return; 4917 return;
4697 4918
4698 w->sent = 0; 4919 w->sent = 0;
4707 4928
4708 EV_FREQUENT_CHECK; 4929 EV_FREQUENT_CHECK;
4709} 4930}
4710 4931
4711void 4932void
4712ev_async_stop (EV_P_ ev_async *w) EV_THROW 4933ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT
4713{ 4934{
4714 clear_pending (EV_A_ (W)w); 4935 clear_pending (EV_A_ (W)w);
4715 if (expect_false (!ev_is_active (w))) 4936 if (expect_false (!ev_is_active (w)))
4716 return; 4937 return;
4717 4938
4728 4949
4729 EV_FREQUENT_CHECK; 4950 EV_FREQUENT_CHECK;
4730} 4951}
4731 4952
4732void 4953void
4733ev_async_send (EV_P_ ev_async *w) EV_THROW 4954ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT
4734{ 4955{
4735 w->sent = 1; 4956 w->sent = 1;
4736 evpipe_write (EV_A_ &async_pending); 4957 evpipe_write (EV_A_ &async_pending);
4737} 4958}
4738#endif 4959#endif
4775 4996
4776 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io)); 4997 once_cb (EV_A_ once, revents | ev_clear_pending (EV_A_ &once->io));
4777} 4998}
4778 4999
4779void 5000void
4780ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW 5001ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT
4781{ 5002{
4782 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once)); 5003 struct ev_once *once = (struct ev_once *)ev_malloc (sizeof (struct ev_once));
4783 5004
4784 if (expect_false (!once)) 5005 if (expect_false (!once))
4785 { 5006 {
4806} 5027}
4807 5028
4808/*****************************************************************************/ 5029/*****************************************************************************/
4809 5030
4810#if EV_WALK_ENABLE 5031#if EV_WALK_ENABLE
4811void ecb_cold 5032ecb_cold
5033void
4812ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW 5034ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT
4813{ 5035{
4814 int i, j; 5036 int i, j;
4815 ev_watcher_list *wl, *wn; 5037 ev_watcher_list *wl, *wn;
4816 5038
4817 if (types & (EV_IO | EV_EMBED)) 5039 if (types & (EV_IO | EV_EMBED))

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