… | |
… | |
532 | |
532 | |
533 | #ifndef ECB_H |
533 | #ifndef ECB_H |
534 | #define ECB_H |
534 | #define ECB_H |
535 | |
535 | |
536 | /* 16 bits major, 16 bits minor */ |
536 | /* 16 bits major, 16 bits minor */ |
537 | #define ECB_VERSION 0x00010004 |
537 | #define ECB_VERSION 0x00010005 |
538 | |
538 | |
539 | #ifdef _WIN32 |
539 | #ifdef _WIN32 |
540 | typedef signed char int8_t; |
540 | typedef signed char int8_t; |
541 | typedef unsigned char uint8_t; |
541 | typedef unsigned char uint8_t; |
542 | typedef signed short int16_t; |
542 | typedef signed short int16_t; |
… | |
… | |
559 | typedef uint32_t uintptr_t; |
559 | typedef uint32_t uintptr_t; |
560 | typedef int32_t intptr_t; |
560 | typedef int32_t intptr_t; |
561 | #endif |
561 | #endif |
562 | #else |
562 | #else |
563 | #include <inttypes.h> |
563 | #include <inttypes.h> |
564 | #if UINTMAX_MAX > 0xffffffffU |
564 | #if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU |
565 | #define ECB_PTRSIZE 8 |
565 | #define ECB_PTRSIZE 8 |
566 | #else |
566 | #else |
567 | #define ECB_PTRSIZE 4 |
567 | #define ECB_PTRSIZE 4 |
568 | #endif |
568 | #endif |
569 | #endif |
569 | #endif |
… | |
… | |
640 | #define ECB_NO_SMP 1 |
640 | #define ECB_NO_SMP 1 |
641 | #endif |
641 | #endif |
642 | |
642 | |
643 | #if ECB_NO_SMP |
643 | #if ECB_NO_SMP |
644 | #define ECB_MEMORY_FENCE do { } while (0) |
644 | #define ECB_MEMORY_FENCE do { } while (0) |
|
|
645 | #endif |
|
|
646 | |
|
|
647 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
|
|
648 | #if __xlC__ && ECB_CPP |
|
|
649 | #include <builtins.h> |
|
|
650 | #endif |
|
|
651 | |
|
|
652 | #if 1400 <= _MSC_VER |
|
|
653 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
645 | #endif |
654 | #endif |
646 | |
655 | |
647 | #ifndef ECB_MEMORY_FENCE |
656 | #ifndef ECB_MEMORY_FENCE |
648 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
657 | #if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110 |
649 | #if __i386 || __i386__ |
658 | #if __i386 || __i386__ |
… | |
… | |
654 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
663 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
655 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
664 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
656 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
665 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
657 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
666 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
658 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
667 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory") |
|
|
668 | #elif defined __ARM_ARCH_2__ \ |
|
|
669 | || defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \ |
|
|
670 | || defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \ |
|
|
671 | || defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \ |
|
|
672 | || defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \ |
|
|
673 | || defined __ARM_ARCH_5TEJ__ |
|
|
674 | /* should not need any, unless running old code on newer cpu - arm doesn't support that */ |
659 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
675 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
660 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
676 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
|
|
677 | || defined __ARM_ARCH_6T2__ |
661 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
678 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory") |
662 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
679 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
663 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
680 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
664 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
681 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
665 | #elif __aarch64__ |
682 | #elif __aarch64__ |
666 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
683 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
667 | #elif (__sparc || __sparc__) && !__sparcv8 |
684 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
668 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
685 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory") |
669 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
686 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory") |
670 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
687 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore") |
671 | #elif defined __s390__ || defined __s390x__ |
688 | #elif defined __s390__ || defined __s390x__ |
672 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
689 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory") |
… | |
… | |
844 | #define ecb_deprecated __declspec (deprecated) |
861 | #define ecb_deprecated __declspec (deprecated) |
845 | #else |
862 | #else |
846 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
863 | #define ecb_deprecated ecb_attribute ((__deprecated__)) |
847 | #endif |
864 | #endif |
848 | |
865 | |
849 | #if __MSC_VER >= 1500 |
866 | #if _MSC_VER >= 1500 |
850 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
867 | #define ecb_deprecated_message(msg) __declspec (deprecated (msg)) |
851 | #elif ECB_GCC_VERSION(4,5) |
868 | #elif ECB_GCC_VERSION(4,5) |
852 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
869 | #define ecb_deprecated_message(msg) ecb_attribute ((__deprecated__ (msg)) |
853 | #else |
870 | #else |
854 | #define ecb_deprecated_message(msg) ecb_deprecated |
871 | #define ecb_deprecated_message(msg) ecb_deprecated |
… | |
… | |
863 | #define ecb_unused ecb_attribute ((__unused__)) |
880 | #define ecb_unused ecb_attribute ((__unused__)) |
864 | #define ecb_const ecb_attribute ((__const__)) |
881 | #define ecb_const ecb_attribute ((__const__)) |
865 | #define ecb_pure ecb_attribute ((__pure__)) |
882 | #define ecb_pure ecb_attribute ((__pure__)) |
866 | |
883 | |
867 | #if ECB_C11 || __IBMC_NORETURN |
884 | #if ECB_C11 || __IBMC_NORETURN |
868 | /* http://pic.dhe.ibm.com/infocenter/compbg/v121v141/topic/com.ibm.xlcpp121.bg.doc/language_ref/noreturn.html */ |
885 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/language_ref/noreturn.html */ |
869 | #define ecb_noreturn _Noreturn |
886 | #define ecb_noreturn _Noreturn |
870 | #elif ECB_CPP11 |
887 | #elif ECB_CPP11 |
871 | #define ecb_noreturn [[noreturn]] |
888 | #define ecb_noreturn [[noreturn]] |
872 | #elif _MSC_VER >= 1200 |
889 | #elif _MSC_VER >= 1200 |
873 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
890 | /* http://msdn.microsoft.com/en-us/library/k6ktzx3s.aspx */ |
… | |
… | |
910 | #else |
927 | #else |
911 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
928 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
912 | ecb_function_ ecb_const int |
929 | ecb_function_ ecb_const int |
913 | ecb_ctz32 (uint32_t x) |
930 | ecb_ctz32 (uint32_t x) |
914 | { |
931 | { |
|
|
932 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
933 | unsigned long r; |
|
|
934 | _BitScanForward (&r, x); |
|
|
935 | return (int)r; |
|
|
936 | #else |
915 | int r = 0; |
937 | int r = 0; |
916 | |
938 | |
917 | x &= ~x + 1; /* this isolates the lowest bit */ |
939 | x &= ~x + 1; /* this isolates the lowest bit */ |
918 | |
940 | |
919 | #if ECB_branchless_on_i386 |
941 | #if ECB_branchless_on_i386 |
… | |
… | |
929 | if (x & 0xff00ff00) r += 8; |
951 | if (x & 0xff00ff00) r += 8; |
930 | if (x & 0xffff0000) r += 16; |
952 | if (x & 0xffff0000) r += 16; |
931 | #endif |
953 | #endif |
932 | |
954 | |
933 | return r; |
955 | return r; |
|
|
956 | #endif |
934 | } |
957 | } |
935 | |
958 | |
936 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
959 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
937 | ecb_function_ ecb_const int |
960 | ecb_function_ ecb_const int |
938 | ecb_ctz64 (uint64_t x) |
961 | ecb_ctz64 (uint64_t x) |
939 | { |
962 | { |
|
|
963 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
964 | unsigned long r; |
|
|
965 | _BitScanForward64 (&r, x); |
|
|
966 | return (int)r; |
|
|
967 | #else |
940 | int shift = x & 0xffffffffU ? 0 : 32; |
968 | int shift = x & 0xffffffff ? 0 : 32; |
941 | return ecb_ctz32 (x >> shift) + shift; |
969 | return ecb_ctz32 (x >> shift) + shift; |
|
|
970 | #endif |
942 | } |
971 | } |
943 | |
972 | |
944 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
973 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
945 | ecb_function_ ecb_const int |
974 | ecb_function_ ecb_const int |
946 | ecb_popcount32 (uint32_t x) |
975 | ecb_popcount32 (uint32_t x) |
… | |
… | |
954 | } |
983 | } |
955 | |
984 | |
956 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
985 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
957 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
986 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
958 | { |
987 | { |
|
|
988 | #if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM) |
|
|
989 | unsigned long r; |
|
|
990 | _BitScanReverse (&r, x); |
|
|
991 | return (int)r; |
|
|
992 | #else |
959 | int r = 0; |
993 | int r = 0; |
960 | |
994 | |
961 | if (x >> 16) { x >>= 16; r += 16; } |
995 | if (x >> 16) { x >>= 16; r += 16; } |
962 | if (x >> 8) { x >>= 8; r += 8; } |
996 | if (x >> 8) { x >>= 8; r += 8; } |
963 | if (x >> 4) { x >>= 4; r += 4; } |
997 | if (x >> 4) { x >>= 4; r += 4; } |
964 | if (x >> 2) { x >>= 2; r += 2; } |
998 | if (x >> 2) { x >>= 2; r += 2; } |
965 | if (x >> 1) { r += 1; } |
999 | if (x >> 1) { r += 1; } |
966 | |
1000 | |
967 | return r; |
1001 | return r; |
|
|
1002 | #endif |
968 | } |
1003 | } |
969 | |
1004 | |
970 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
1005 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
971 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
1006 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
972 | { |
1007 | { |
|
|
1008 | #if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM) |
|
|
1009 | unsigned long r; |
|
|
1010 | _BitScanReverse64 (&r, x); |
|
|
1011 | return (int)r; |
|
|
1012 | #else |
973 | int r = 0; |
1013 | int r = 0; |
974 | |
1014 | |
975 | if (x >> 32) { x >>= 32; r += 32; } |
1015 | if (x >> 32) { x >>= 32; r += 32; } |
976 | |
1016 | |
977 | return r + ecb_ld32 (x); |
1017 | return r + ecb_ld32 (x); |
|
|
1018 | #endif |
978 | } |
1019 | } |
979 | #endif |
1020 | #endif |
980 | |
1021 | |
981 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
1022 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
982 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
1023 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
… | |
… | |
1039 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1080 | ecb_inline ecb_const uint32_t ecb_rotr32 (uint32_t x, unsigned int count) { return (x << (32 - count)) | (x >> count); } |
1040 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1081 | ecb_inline ecb_const uint64_t ecb_rotl64 (uint64_t x, unsigned int count) { return (x >> (64 - count)) | (x << count); } |
1041 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1082 | ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { return (x << (64 - count)) | (x >> count); } |
1042 | |
1083 | |
1043 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
1084 | #if ECB_GCC_VERSION(4,3) || (ECB_CLANG_BUILTIN(__builtin_bswap32) && ECB_CLANG_BUILTIN(__builtin_bswap64)) |
|
|
1085 | #if ECB_GCC_VERSION(4,8) || ECB_CLANG_BUILTIN(__builtin_bswap16) |
|
|
1086 | #define ecb_bswap16(x) __builtin_bswap16 (x) |
|
|
1087 | #else |
1044 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
1088 | #define ecb_bswap16(x) (__builtin_bswap32 (x) >> 16) |
|
|
1089 | #endif |
1045 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1090 | #define ecb_bswap32(x) __builtin_bswap32 (x) |
1046 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
1091 | #define ecb_bswap64(x) __builtin_bswap64 (x) |
|
|
1092 | #elif _MSC_VER |
|
|
1093 | #include <stdlib.h> |
|
|
1094 | #define ecb_bswap16(x) ((uint16_t)_byteswap_ushort ((uint16_t)(x))) |
|
|
1095 | #define ecb_bswap32(x) ((uint32_t)_byteswap_ulong ((uint32_t)(x))) |
|
|
1096 | #define ecb_bswap64(x) ((uint64_t)_byteswap_uint64 ((uint64_t)(x))) |
1047 | #else |
1097 | #else |
1048 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
1098 | ecb_function_ ecb_const uint16_t ecb_bswap16 (uint16_t x); |
1049 | ecb_function_ ecb_const uint16_t |
1099 | ecb_function_ ecb_const uint16_t |
1050 | ecb_bswap16 (uint16_t x) |
1100 | ecb_bswap16 (uint16_t x) |
1051 | { |
1101 | { |
… | |
… | |
1076 | #endif |
1126 | #endif |
1077 | |
1127 | |
1078 | /* try to tell the compiler that some condition is definitely true */ |
1128 | /* try to tell the compiler that some condition is definitely true */ |
1079 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1129 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1080 | |
1130 | |
1081 | ecb_inline ecb_const unsigned char ecb_byteorder_helper (void); |
1131 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
1082 | ecb_inline ecb_const unsigned char |
1132 | ecb_inline ecb_const uint32_t |
1083 | ecb_byteorder_helper (void) |
1133 | ecb_byteorder_helper (void) |
1084 | { |
1134 | { |
1085 | /* the union code still generates code under pressure in gcc, */ |
1135 | /* the union code still generates code under pressure in gcc, */ |
1086 | /* but less than using pointers, and always seems to */ |
1136 | /* but less than using pointers, and always seems to */ |
1087 | /* successfully return a constant. */ |
1137 | /* successfully return a constant. */ |
1088 | /* the reason why we have this horrible preprocessor mess */ |
1138 | /* the reason why we have this horrible preprocessor mess */ |
1089 | /* is to avoid it in all cases, at least on common architectures */ |
1139 | /* is to avoid it in all cases, at least on common architectures */ |
1090 | /* or when using a recent enough gcc version (>= 4.6) */ |
1140 | /* or when using a recent enough gcc version (>= 4.6) */ |
1091 | #if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
|
|
1092 | return 0x44; |
|
|
1093 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
1141 | #if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \ |
|
|
1142 | || ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__) |
|
|
1143 | #define ECB_LITTLE_ENDIAN 1 |
1094 | return 0x44; |
1144 | return 0x44332211; |
1095 | #elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
1145 | #elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \ |
|
|
1146 | || ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__) |
|
|
1147 | #define ECB_BIG_ENDIAN 1 |
1096 | return 0x11; |
1148 | return 0x11223344; |
1097 | #else |
1149 | #else |
1098 | union |
1150 | union |
1099 | { |
1151 | { |
|
|
1152 | uint8_t c[4]; |
1100 | uint32_t i; |
1153 | uint32_t u; |
1101 | uint8_t c; |
|
|
1102 | } u = { 0x11223344 }; |
1154 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
1103 | return u.c; |
1155 | return u.u; |
1104 | #endif |
1156 | #endif |
1105 | } |
1157 | } |
1106 | |
1158 | |
1107 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1159 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1108 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1160 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1109 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1161 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1110 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1162 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1111 | |
1163 | |
1112 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1164 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1113 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1165 | #define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0)) |
1114 | #else |
1166 | #else |
1115 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
1167 | #define ecb_mod(m,n) ((m) < 0 ? ((n) - 1 - ((-1 - (m)) % (n))) : ((m) % (n))) |
… | |
… | |
1139 | return N; |
1191 | return N; |
1140 | } |
1192 | } |
1141 | #else |
1193 | #else |
1142 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1194 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1143 | #endif |
1195 | #endif |
|
|
1196 | |
|
|
1197 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1198 | ecb_function_ ecb_const uint32_t |
|
|
1199 | ecb_binary16_to_binary32 (uint32_t x) |
|
|
1200 | { |
|
|
1201 | unsigned int s = (x & 0x8000) << (31 - 15); |
|
|
1202 | int e = (x >> 10) & 0x001f; |
|
|
1203 | unsigned int m = x & 0x03ff; |
|
|
1204 | |
|
|
1205 | if (ecb_expect_false (e == 31)) |
|
|
1206 | /* infinity or NaN */ |
|
|
1207 | e = 255 - (127 - 15); |
|
|
1208 | else if (ecb_expect_false (!e)) |
|
|
1209 | { |
|
|
1210 | if (ecb_expect_true (!m)) |
|
|
1211 | /* zero, handled by code below by forcing e to 0 */ |
|
|
1212 | e = 0 - (127 - 15); |
|
|
1213 | else |
|
|
1214 | { |
|
|
1215 | /* subnormal, renormalise */ |
|
|
1216 | unsigned int s = 10 - ecb_ld32 (m); |
|
|
1217 | |
|
|
1218 | m = (m << s) & 0x3ff; /* mask implicit bit */ |
|
|
1219 | e -= s - 1; |
|
|
1220 | } |
|
|
1221 | } |
|
|
1222 | |
|
|
1223 | /* e and m now are normalised, or zero, (or inf or nan) */ |
|
|
1224 | e += 127 - 15; |
|
|
1225 | |
|
|
1226 | return s | (e << 23) | (m << (23 - 10)); |
|
|
1227 | } |
|
|
1228 | |
|
|
1229 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1230 | ecb_function_ ecb_const uint16_t |
|
|
1231 | ecb_binary32_to_binary16 (uint32_t x) |
|
|
1232 | { |
|
|
1233 | unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */ |
|
|
1234 | unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */ |
|
|
1235 | unsigned int m = x & 0x007fffff; |
|
|
1236 | |
|
|
1237 | x &= 0x7fffffff; |
|
|
1238 | |
|
|
1239 | /* if it's within range of binary16 normals, use fast path */ |
|
|
1240 | if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff)) |
|
|
1241 | { |
|
|
1242 | /* mantissa round-to-even */ |
|
|
1243 | m += 0x00000fff + ((m >> (23 - 10)) & 1); |
|
|
1244 | |
|
|
1245 | /* handle overflow */ |
|
|
1246 | if (ecb_expect_false (m >= 0x00800000)) |
|
|
1247 | { |
|
|
1248 | m >>= 1; |
|
|
1249 | e += 1; |
|
|
1250 | } |
|
|
1251 | |
|
|
1252 | return s | (e << 10) | (m >> (23 - 10)); |
|
|
1253 | } |
|
|
1254 | |
|
|
1255 | /* handle large numbers and infinity */ |
|
|
1256 | if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000)) |
|
|
1257 | return s | 0x7c00; |
|
|
1258 | |
|
|
1259 | /* handle zero, subnormals and small numbers */ |
|
|
1260 | if (ecb_expect_true (x < 0x38800000)) |
|
|
1261 | { |
|
|
1262 | /* zero */ |
|
|
1263 | if (ecb_expect_true (!x)) |
|
|
1264 | return s; |
|
|
1265 | |
|
|
1266 | /* handle subnormals */ |
|
|
1267 | |
|
|
1268 | /* too small, will be zero */ |
|
|
1269 | if (e < (14 - 24)) /* might not be sharp, but is good enough */ |
|
|
1270 | return s; |
|
|
1271 | |
|
|
1272 | m |= 0x00800000; /* make implicit bit explicit */ |
|
|
1273 | |
|
|
1274 | /* very tricky - we need to round to the nearest e (+10) bit value */ |
|
|
1275 | { |
|
|
1276 | unsigned int bits = 14 - e; |
|
|
1277 | unsigned int half = (1 << (bits - 1)) - 1; |
|
|
1278 | unsigned int even = (m >> bits) & 1; |
|
|
1279 | |
|
|
1280 | /* if this overflows, we will end up with a normalised number */ |
|
|
1281 | m = (m + half + even) >> bits; |
|
|
1282 | } |
|
|
1283 | |
|
|
1284 | return s | m; |
|
|
1285 | } |
|
|
1286 | |
|
|
1287 | /* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */ |
|
|
1288 | m >>= 13; |
|
|
1289 | |
|
|
1290 | return s | 0x7c00 | m | !m; |
|
|
1291 | } |
1144 | |
1292 | |
1145 | /*******************************************************************************/ |
1293 | /*******************************************************************************/ |
1146 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1294 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1147 | |
1295 | |
1148 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1296 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
… | |
… | |
1185 | #define ECB_NAN ECB_INFINITY |
1333 | #define ECB_NAN ECB_INFINITY |
1186 | #endif |
1334 | #endif |
1187 | |
1335 | |
1188 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
1336 | #if ECB_C99 || _XOPEN_VERSION >= 600 || _POSIX_VERSION >= 200112L |
1189 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
1337 | #define ecb_ldexpf(x,e) ldexpf ((x), (e)) |
|
|
1338 | #define ecb_frexpf(x,e) frexpf ((x), (e)) |
1190 | #else |
1339 | #else |
1191 | #define ecb_ldexpf(x,e) (float) ldexp ((float) (x), (e)) |
1340 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
|
|
1341 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
1192 | #endif |
1342 | #endif |
1193 | |
|
|
1194 | /* converts an ieee half/binary16 to a float */ |
|
|
1195 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1196 | ecb_function_ ecb_const float |
|
|
1197 | ecb_binary16_to_float (uint16_t x) |
|
|
1198 | { |
|
|
1199 | int e = (x >> 10) & 0x1f; |
|
|
1200 | int m = x & 0x3ff; |
|
|
1201 | float r; |
|
|
1202 | |
|
|
1203 | if (!e ) r = ecb_ldexpf (m , -24); |
|
|
1204 | else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25); |
|
|
1205 | else if (m ) r = ECB_NAN; |
|
|
1206 | else r = ECB_INFINITY; |
|
|
1207 | |
|
|
1208 | return x & 0x8000 ? -r : r; |
|
|
1209 | } |
|
|
1210 | |
1343 | |
1211 | /* convert a float to ieee single/binary32 */ |
1344 | /* convert a float to ieee single/binary32 */ |
1212 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
1345 | ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x); |
1213 | ecb_function_ ecb_const uint32_t |
1346 | ecb_function_ ecb_const uint32_t |
1214 | ecb_float_to_binary32 (float x) |
1347 | ecb_float_to_binary32 (float x) |
… | |
… | |
1225 | if (x == 0e0f ) return 0x00000000U; |
1358 | if (x == 0e0f ) return 0x00000000U; |
1226 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1359 | if (x > +3.40282346638528860e+38f) return 0x7f800000U; |
1227 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1360 | if (x < -3.40282346638528860e+38f) return 0xff800000U; |
1228 | if (x != x ) return 0x7fbfffffU; |
1361 | if (x != x ) return 0x7fbfffffU; |
1229 | |
1362 | |
1230 | m = frexpf (x, &e) * 0x1000000U; |
1363 | m = ecb_frexpf (x, &e) * 0x1000000U; |
1231 | |
1364 | |
1232 | r = m & 0x80000000U; |
1365 | r = m & 0x80000000U; |
1233 | |
1366 | |
1234 | if (r) |
1367 | if (r) |
1235 | m = -m; |
1368 | m = -m; |
… | |
… | |
1344 | |
1477 | |
1345 | r = neg ? -r : r; |
1478 | r = neg ? -r : r; |
1346 | #endif |
1479 | #endif |
1347 | |
1480 | |
1348 | return r; |
1481 | return r; |
|
|
1482 | } |
|
|
1483 | |
|
|
1484 | /* convert a float to ieee half/binary16 */ |
|
|
1485 | ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x); |
|
|
1486 | ecb_function_ ecb_const uint16_t |
|
|
1487 | ecb_float_to_binary16 (float x) |
|
|
1488 | { |
|
|
1489 | return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x)); |
|
|
1490 | } |
|
|
1491 | |
|
|
1492 | /* convert an ieee half/binary16 to float */ |
|
|
1493 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1494 | ecb_function_ ecb_const float |
|
|
1495 | ecb_binary16_to_float (uint16_t x) |
|
|
1496 | { |
|
|
1497 | return ecb_binary32_to_float (ecb_binary16_to_binary32 (x)); |
1349 | } |
1498 | } |
1350 | |
1499 | |
1351 | #endif |
1500 | #endif |
1352 | |
1501 | |
1353 | #endif |
1502 | #endif |
… | |
… | |
1378 | #define inline_size ecb_inline |
1527 | #define inline_size ecb_inline |
1379 | |
1528 | |
1380 | #if EV_FEATURE_CODE |
1529 | #if EV_FEATURE_CODE |
1381 | # define inline_speed ecb_inline |
1530 | # define inline_speed ecb_inline |
1382 | #else |
1531 | #else |
1383 | # define inline_speed static noinline |
1532 | # define inline_speed noinline static |
1384 | #endif |
1533 | #endif |
1385 | |
1534 | |
1386 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1535 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1387 | |
1536 | |
1388 | #if EV_MINPRI == EV_MAXPRI |
1537 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
1435 | #else |
1584 | #else |
1436 | |
1585 | |
1437 | #include <float.h> |
1586 | #include <float.h> |
1438 | |
1587 | |
1439 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1588 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1589 | noinline |
1440 | static ev_tstamp noinline |
1590 | static ev_tstamp |
1441 | ev_floor (ev_tstamp v) |
1591 | ev_floor (ev_tstamp v) |
1442 | { |
1592 | { |
1443 | /* the choice of shift factor is not terribly important */ |
1593 | /* the choice of shift factor is not terribly important */ |
1444 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1594 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1445 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1595 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
… | |
… | |
1477 | |
1627 | |
1478 | #ifdef __linux |
1628 | #ifdef __linux |
1479 | # include <sys/utsname.h> |
1629 | # include <sys/utsname.h> |
1480 | #endif |
1630 | #endif |
1481 | |
1631 | |
1482 | static unsigned int noinline ecb_cold |
1632 | noinline ecb_cold |
|
|
1633 | static unsigned int |
1483 | ev_linux_version (void) |
1634 | ev_linux_version (void) |
1484 | { |
1635 | { |
1485 | #ifdef __linux |
1636 | #ifdef __linux |
1486 | unsigned int v = 0; |
1637 | unsigned int v = 0; |
1487 | struct utsname buf; |
1638 | struct utsname buf; |
… | |
… | |
1516 | } |
1667 | } |
1517 | |
1668 | |
1518 | /*****************************************************************************/ |
1669 | /*****************************************************************************/ |
1519 | |
1670 | |
1520 | #if EV_AVOID_STDIO |
1671 | #if EV_AVOID_STDIO |
1521 | static void noinline ecb_cold |
1672 | noinline ecb_cold |
|
|
1673 | static void |
1522 | ev_printerr (const char *msg) |
1674 | ev_printerr (const char *msg) |
1523 | { |
1675 | { |
1524 | write (STDERR_FILENO, msg, strlen (msg)); |
1676 | write (STDERR_FILENO, msg, strlen (msg)); |
1525 | } |
1677 | } |
1526 | #endif |
1678 | #endif |
1527 | |
1679 | |
1528 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1680 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1529 | |
1681 | |
1530 | void ecb_cold |
1682 | ecb_cold |
|
|
1683 | void |
1531 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1684 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1532 | { |
1685 | { |
1533 | syserr_cb = cb; |
1686 | syserr_cb = cb; |
1534 | } |
1687 | } |
1535 | |
1688 | |
1536 | static void noinline ecb_cold |
1689 | noinline ecb_cold |
|
|
1690 | static void |
1537 | ev_syserr (const char *msg) |
1691 | ev_syserr (const char *msg) |
1538 | { |
1692 | { |
1539 | if (!msg) |
1693 | if (!msg) |
1540 | msg = "(libev) system error"; |
1694 | msg = "(libev) system error"; |
1541 | |
1695 | |
… | |
… | |
1572 | return 0; |
1726 | return 0; |
1573 | } |
1727 | } |
1574 | |
1728 | |
1575 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1729 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1576 | |
1730 | |
1577 | void ecb_cold |
1731 | ecb_cold |
|
|
1732 | void |
1578 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1733 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1579 | { |
1734 | { |
1580 | alloc = cb; |
1735 | alloc = cb; |
1581 | } |
1736 | } |
1582 | |
1737 | |
… | |
… | |
1791 | } |
1946 | } |
1792 | |
1947 | |
1793 | return ncur; |
1948 | return ncur; |
1794 | } |
1949 | } |
1795 | |
1950 | |
1796 | static void * noinline ecb_cold |
1951 | noinline ecb_cold |
|
|
1952 | static void * |
1797 | array_realloc (int elem, void *base, int *cur, int cnt) |
1953 | array_realloc (int elem, void *base, int *cur, int cnt) |
1798 | { |
1954 | { |
1799 | *cur = array_nextsize (elem, *cur, cnt); |
1955 | *cur = array_nextsize (elem, *cur, cnt); |
1800 | return ev_realloc (base, elem * *cur); |
1956 | return ev_realloc (base, elem * *cur); |
1801 | } |
1957 | } |
… | |
… | |
1804 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1960 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1805 | |
1961 | |
1806 | #define array_needsize(type,base,cur,cnt,init) \ |
1962 | #define array_needsize(type,base,cur,cnt,init) \ |
1807 | if (expect_false ((cnt) > (cur))) \ |
1963 | if (expect_false ((cnt) > (cur))) \ |
1808 | { \ |
1964 | { \ |
1809 | int ecb_unused ocur_ = (cur); \ |
1965 | ecb_unused int ocur_ = (cur); \ |
1810 | (base) = (type *)array_realloc \ |
1966 | (base) = (type *)array_realloc \ |
1811 | (sizeof (type), (base), &(cur), (cnt)); \ |
1967 | (sizeof (type), (base), &(cur), (cnt)); \ |
1812 | init ((base) + (ocur_), (cur) - ocur_); \ |
1968 | init ((base) + (ocur_), (cur) - ocur_); \ |
1813 | } |
1969 | } |
1814 | |
1970 | |
… | |
… | |
1826 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1982 | ev_free (stem ## s idx); stem ## cnt idx = stem ## max idx = 0; stem ## s idx = 0 |
1827 | |
1983 | |
1828 | /*****************************************************************************/ |
1984 | /*****************************************************************************/ |
1829 | |
1985 | |
1830 | /* dummy callback for pending events */ |
1986 | /* dummy callback for pending events */ |
1831 | static void noinline |
1987 | noinline |
|
|
1988 | static void |
1832 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1989 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1833 | { |
1990 | { |
1834 | } |
1991 | } |
1835 | |
1992 | |
1836 | void noinline |
1993 | noinline |
|
|
1994 | void |
1837 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
1995 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
1838 | { |
1996 | { |
1839 | W w_ = (W)w; |
1997 | W w_ = (W)w; |
1840 | int pri = ABSPRI (w_); |
1998 | int pri = ABSPRI (w_); |
1841 | |
1999 | |
… | |
… | |
1971 | |
2129 | |
1972 | fdchangecnt = 0; |
2130 | fdchangecnt = 0; |
1973 | } |
2131 | } |
1974 | |
2132 | |
1975 | /* something about the given fd changed */ |
2133 | /* something about the given fd changed */ |
1976 | inline_size void |
2134 | inline_size |
|
|
2135 | void |
1977 | fd_change (EV_P_ int fd, int flags) |
2136 | fd_change (EV_P_ int fd, int flags) |
1978 | { |
2137 | { |
1979 | unsigned char reify = anfds [fd].reify; |
2138 | unsigned char reify = anfds [fd].reify; |
1980 | anfds [fd].reify |= flags; |
2139 | anfds [fd].reify |= flags; |
1981 | |
2140 | |
… | |
… | |
1986 | fdchanges [fdchangecnt - 1] = fd; |
2145 | fdchanges [fdchangecnt - 1] = fd; |
1987 | } |
2146 | } |
1988 | } |
2147 | } |
1989 | |
2148 | |
1990 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
2149 | /* the given fd is invalid/unusable, so make sure it doesn't hurt us anymore */ |
1991 | inline_speed void ecb_cold |
2150 | inline_speed ecb_cold void |
1992 | fd_kill (EV_P_ int fd) |
2151 | fd_kill (EV_P_ int fd) |
1993 | { |
2152 | { |
1994 | ev_io *w; |
2153 | ev_io *w; |
1995 | |
2154 | |
1996 | while ((w = (ev_io *)anfds [fd].head)) |
2155 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
1999 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2158 | ev_feed_event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
2000 | } |
2159 | } |
2001 | } |
2160 | } |
2002 | |
2161 | |
2003 | /* check whether the given fd is actually valid, for error recovery */ |
2162 | /* check whether the given fd is actually valid, for error recovery */ |
2004 | inline_size int ecb_cold |
2163 | inline_size ecb_cold int |
2005 | fd_valid (int fd) |
2164 | fd_valid (int fd) |
2006 | { |
2165 | { |
2007 | #ifdef _WIN32 |
2166 | #ifdef _WIN32 |
2008 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2167 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2009 | #else |
2168 | #else |
2010 | return fcntl (fd, F_GETFD) != -1; |
2169 | return fcntl (fd, F_GETFD) != -1; |
2011 | #endif |
2170 | #endif |
2012 | } |
2171 | } |
2013 | |
2172 | |
2014 | /* called on EBADF to verify fds */ |
2173 | /* called on EBADF to verify fds */ |
2015 | static void noinline ecb_cold |
2174 | noinline ecb_cold |
|
|
2175 | static void |
2016 | fd_ebadf (EV_P) |
2176 | fd_ebadf (EV_P) |
2017 | { |
2177 | { |
2018 | int fd; |
2178 | int fd; |
2019 | |
2179 | |
2020 | for (fd = 0; fd < anfdmax; ++fd) |
2180 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
2022 | if (!fd_valid (fd) && errno == EBADF) |
2182 | if (!fd_valid (fd) && errno == EBADF) |
2023 | fd_kill (EV_A_ fd); |
2183 | fd_kill (EV_A_ fd); |
2024 | } |
2184 | } |
2025 | |
2185 | |
2026 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2186 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
2027 | static void noinline ecb_cold |
2187 | noinline ecb_cold |
|
|
2188 | static void |
2028 | fd_enomem (EV_P) |
2189 | fd_enomem (EV_P) |
2029 | { |
2190 | { |
2030 | int fd; |
2191 | int fd; |
2031 | |
2192 | |
2032 | for (fd = anfdmax; fd--; ) |
2193 | for (fd = anfdmax; fd--; ) |
… | |
… | |
2036 | break; |
2197 | break; |
2037 | } |
2198 | } |
2038 | } |
2199 | } |
2039 | |
2200 | |
2040 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2201 | /* usually called after fork if backend needs to re-arm all fds from scratch */ |
2041 | static void noinline |
2202 | noinline |
|
|
2203 | static void |
2042 | fd_rearm_all (EV_P) |
2204 | fd_rearm_all (EV_P) |
2043 | { |
2205 | { |
2044 | int fd; |
2206 | int fd; |
2045 | |
2207 | |
2046 | for (fd = 0; fd < anfdmax; ++fd) |
2208 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
2227 | |
2389 | |
2228 | /*****************************************************************************/ |
2390 | /*****************************************************************************/ |
2229 | |
2391 | |
2230 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2392 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2231 | |
2393 | |
2232 | static void noinline ecb_cold |
2394 | noinline ecb_cold |
|
|
2395 | static void |
2233 | evpipe_init (EV_P) |
2396 | evpipe_init (EV_P) |
2234 | { |
2397 | { |
2235 | if (!ev_is_active (&pipe_w)) |
2398 | if (!ev_is_active (&pipe_w)) |
2236 | { |
2399 | { |
2237 | int fds [2]; |
2400 | int fds [2]; |
… | |
… | |
2415 | #endif |
2578 | #endif |
2416 | |
2579 | |
2417 | ev_feed_signal (signum); |
2580 | ev_feed_signal (signum); |
2418 | } |
2581 | } |
2419 | |
2582 | |
2420 | void noinline |
2583 | noinline |
|
|
2584 | void |
2421 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2585 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2422 | { |
2586 | { |
2423 | WL w; |
2587 | WL w; |
2424 | |
2588 | |
2425 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2589 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
… | |
… | |
2542 | #endif |
2706 | #endif |
2543 | #if EV_USE_SELECT |
2707 | #if EV_USE_SELECT |
2544 | # include "ev_select.c" |
2708 | # include "ev_select.c" |
2545 | #endif |
2709 | #endif |
2546 | |
2710 | |
2547 | int ecb_cold |
2711 | ecb_cold int |
2548 | ev_version_major (void) EV_THROW |
2712 | ev_version_major (void) EV_THROW |
2549 | { |
2713 | { |
2550 | return EV_VERSION_MAJOR; |
2714 | return EV_VERSION_MAJOR; |
2551 | } |
2715 | } |
2552 | |
2716 | |
2553 | int ecb_cold |
2717 | ecb_cold int |
2554 | ev_version_minor (void) EV_THROW |
2718 | ev_version_minor (void) EV_THROW |
2555 | { |
2719 | { |
2556 | return EV_VERSION_MINOR; |
2720 | return EV_VERSION_MINOR; |
2557 | } |
2721 | } |
2558 | |
2722 | |
2559 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2723 | /* return true if we are running with elevated privileges and should ignore env variables */ |
2560 | int inline_size ecb_cold |
2724 | inline_size ecb_cold int |
2561 | enable_secure (void) |
2725 | enable_secure (void) |
2562 | { |
2726 | { |
2563 | #ifdef _WIN32 |
2727 | #ifdef _WIN32 |
2564 | return 0; |
2728 | return 0; |
2565 | #else |
2729 | #else |
2566 | return getuid () != geteuid () |
2730 | return getuid () != geteuid () |
2567 | || getgid () != getegid (); |
2731 | || getgid () != getegid (); |
2568 | #endif |
2732 | #endif |
2569 | } |
2733 | } |
2570 | |
2734 | |
2571 | unsigned int ecb_cold |
2735 | ecb_cold |
|
|
2736 | unsigned int |
2572 | ev_supported_backends (void) EV_THROW |
2737 | ev_supported_backends (void) EV_THROW |
2573 | { |
2738 | { |
2574 | unsigned int flags = 0; |
2739 | unsigned int flags = 0; |
2575 | |
2740 | |
2576 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2741 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
… | |
… | |
2580 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2745 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2581 | |
2746 | |
2582 | return flags; |
2747 | return flags; |
2583 | } |
2748 | } |
2584 | |
2749 | |
2585 | unsigned int ecb_cold |
2750 | ecb_cold |
|
|
2751 | unsigned int |
2586 | ev_recommended_backends (void) EV_THROW |
2752 | ev_recommended_backends (void) EV_THROW |
2587 | { |
2753 | { |
2588 | unsigned int flags = ev_supported_backends (); |
2754 | unsigned int flags = ev_supported_backends (); |
2589 | |
2755 | |
2590 | #ifndef __NetBSD__ |
2756 | #ifndef __NetBSD__ |
… | |
… | |
2602 | #endif |
2768 | #endif |
2603 | |
2769 | |
2604 | return flags; |
2770 | return flags; |
2605 | } |
2771 | } |
2606 | |
2772 | |
2607 | unsigned int ecb_cold |
2773 | ecb_cold |
|
|
2774 | unsigned int |
2608 | ev_embeddable_backends (void) EV_THROW |
2775 | ev_embeddable_backends (void) EV_THROW |
2609 | { |
2776 | { |
2610 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2777 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2611 | |
2778 | |
2612 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
2779 | /* epoll embeddability broken on all linux versions up to at least 2.6.23 */ |
… | |
… | |
2672 | acquire_cb = acquire; |
2839 | acquire_cb = acquire; |
2673 | } |
2840 | } |
2674 | #endif |
2841 | #endif |
2675 | |
2842 | |
2676 | /* initialise a loop structure, must be zero-initialised */ |
2843 | /* initialise a loop structure, must be zero-initialised */ |
2677 | static void noinline ecb_cold |
2844 | noinline ecb_cold |
|
|
2845 | static void |
2678 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2846 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2679 | { |
2847 | { |
2680 | if (!backend) |
2848 | if (!backend) |
2681 | { |
2849 | { |
2682 | origflags = flags; |
2850 | origflags = flags; |
… | |
… | |
2769 | #endif |
2937 | #endif |
2770 | } |
2938 | } |
2771 | } |
2939 | } |
2772 | |
2940 | |
2773 | /* free up a loop structure */ |
2941 | /* free up a loop structure */ |
2774 | void ecb_cold |
2942 | ecb_cold |
|
|
2943 | void |
2775 | ev_loop_destroy (EV_P) |
2944 | ev_loop_destroy (EV_P) |
2776 | { |
2945 | { |
2777 | int i; |
2946 | int i; |
2778 | |
2947 | |
2779 | #if EV_MULTIPLICITY |
2948 | #if EV_MULTIPLICITY |
… | |
… | |
2900 | #if EV_USE_INOTIFY |
3069 | #if EV_USE_INOTIFY |
2901 | infy_fork (EV_A); |
3070 | infy_fork (EV_A); |
2902 | #endif |
3071 | #endif |
2903 | |
3072 | |
2904 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
3073 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2905 | if (ev_is_active (&pipe_w)) |
3074 | if (ev_is_active (&pipe_w) && postfork != 2) |
2906 | { |
3075 | { |
2907 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
3076 | /* pipe_write_wanted must be false now, so modifying fd vars should be safe */ |
2908 | |
3077 | |
2909 | ev_ref (EV_A); |
3078 | ev_ref (EV_A); |
2910 | ev_io_stop (EV_A_ &pipe_w); |
3079 | ev_io_stop (EV_A_ &pipe_w); |
… | |
… | |
2921 | postfork = 0; |
3090 | postfork = 0; |
2922 | } |
3091 | } |
2923 | |
3092 | |
2924 | #if EV_MULTIPLICITY |
3093 | #if EV_MULTIPLICITY |
2925 | |
3094 | |
|
|
3095 | ecb_cold |
2926 | struct ev_loop * ecb_cold |
3096 | struct ev_loop * |
2927 | ev_loop_new (unsigned int flags) EV_THROW |
3097 | ev_loop_new (unsigned int flags) EV_THROW |
2928 | { |
3098 | { |
2929 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3099 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2930 | |
3100 | |
2931 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3101 | memset (EV_A, 0, sizeof (struct ev_loop)); |
… | |
… | |
2939 | } |
3109 | } |
2940 | |
3110 | |
2941 | #endif /* multiplicity */ |
3111 | #endif /* multiplicity */ |
2942 | |
3112 | |
2943 | #if EV_VERIFY |
3113 | #if EV_VERIFY |
2944 | static void noinline ecb_cold |
3114 | noinline ecb_cold |
|
|
3115 | static void |
2945 | verify_watcher (EV_P_ W w) |
3116 | verify_watcher (EV_P_ W w) |
2946 | { |
3117 | { |
2947 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
3118 | assert (("libev: watcher has invalid priority", ABSPRI (w) >= 0 && ABSPRI (w) < NUMPRI)); |
2948 | |
3119 | |
2949 | if (w->pending) |
3120 | if (w->pending) |
2950 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
3121 | assert (("libev: pending watcher not on pending queue", pendings [ABSPRI (w)][w->pending - 1].w == w)); |
2951 | } |
3122 | } |
2952 | |
3123 | |
2953 | static void noinline ecb_cold |
3124 | noinline ecb_cold |
|
|
3125 | static void |
2954 | verify_heap (EV_P_ ANHE *heap, int N) |
3126 | verify_heap (EV_P_ ANHE *heap, int N) |
2955 | { |
3127 | { |
2956 | int i; |
3128 | int i; |
2957 | |
3129 | |
2958 | for (i = HEAP0; i < N + HEAP0; ++i) |
3130 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2963 | |
3135 | |
2964 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3136 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2965 | } |
3137 | } |
2966 | } |
3138 | } |
2967 | |
3139 | |
2968 | static void noinline ecb_cold |
3140 | noinline ecb_cold |
|
|
3141 | static void |
2969 | array_verify (EV_P_ W *ws, int cnt) |
3142 | array_verify (EV_P_ W *ws, int cnt) |
2970 | { |
3143 | { |
2971 | while (cnt--) |
3144 | while (cnt--) |
2972 | { |
3145 | { |
2973 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3146 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
3062 | #endif |
3235 | #endif |
3063 | } |
3236 | } |
3064 | #endif |
3237 | #endif |
3065 | |
3238 | |
3066 | #if EV_MULTIPLICITY |
3239 | #if EV_MULTIPLICITY |
|
|
3240 | ecb_cold |
3067 | struct ev_loop * ecb_cold |
3241 | struct ev_loop * |
3068 | #else |
3242 | #else |
3069 | int |
3243 | int |
3070 | #endif |
3244 | #endif |
3071 | ev_default_loop (unsigned int flags) EV_THROW |
3245 | ev_default_loop (unsigned int flags) EV_THROW |
3072 | { |
3246 | { |
… | |
… | |
3120 | count += pendingcnt [pri]; |
3294 | count += pendingcnt [pri]; |
3121 | |
3295 | |
3122 | return count; |
3296 | return count; |
3123 | } |
3297 | } |
3124 | |
3298 | |
3125 | void noinline |
3299 | noinline |
|
|
3300 | void |
3126 | ev_invoke_pending (EV_P) |
3301 | ev_invoke_pending (EV_P) |
3127 | { |
3302 | { |
3128 | pendingpri = NUMPRI; |
3303 | pendingpri = NUMPRI; |
3129 | |
3304 | |
3130 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3305 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
… | |
… | |
3205 | } |
3380 | } |
3206 | } |
3381 | } |
3207 | |
3382 | |
3208 | #if EV_PERIODIC_ENABLE |
3383 | #if EV_PERIODIC_ENABLE |
3209 | |
3384 | |
3210 | static void noinline |
3385 | noinline |
|
|
3386 | static void |
3211 | periodic_recalc (EV_P_ ev_periodic *w) |
3387 | periodic_recalc (EV_P_ ev_periodic *w) |
3212 | { |
3388 | { |
3213 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3389 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3214 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3390 | ev_tstamp at = w->offset + interval * ev_floor ((ev_rt_now - w->offset) / interval); |
3215 | |
3391 | |
… | |
… | |
3273 | } |
3449 | } |
3274 | } |
3450 | } |
3275 | |
3451 | |
3276 | /* simply recalculate all periodics */ |
3452 | /* simply recalculate all periodics */ |
3277 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3453 | /* TODO: maybe ensure that at least one event happens when jumping forward? */ |
3278 | static void noinline ecb_cold |
3454 | noinline ecb_cold |
|
|
3455 | static void |
3279 | periodics_reschedule (EV_P) |
3456 | periodics_reschedule (EV_P) |
3280 | { |
3457 | { |
3281 | int i; |
3458 | int i; |
3282 | |
3459 | |
3283 | /* adjust periodics after time jump */ |
3460 | /* adjust periodics after time jump */ |
… | |
… | |
3296 | reheap (periodics, periodiccnt); |
3473 | reheap (periodics, periodiccnt); |
3297 | } |
3474 | } |
3298 | #endif |
3475 | #endif |
3299 | |
3476 | |
3300 | /* adjust all timers by a given offset */ |
3477 | /* adjust all timers by a given offset */ |
3301 | static void noinline ecb_cold |
3478 | noinline ecb_cold |
|
|
3479 | static void |
3302 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3480 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3303 | { |
3481 | { |
3304 | int i; |
3482 | int i; |
3305 | |
3483 | |
3306 | for (i = 0; i < timercnt; ++i) |
3484 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
3674 | w->active = 0; |
3852 | w->active = 0; |
3675 | } |
3853 | } |
3676 | |
3854 | |
3677 | /*****************************************************************************/ |
3855 | /*****************************************************************************/ |
3678 | |
3856 | |
3679 | void noinline |
3857 | noinline |
|
|
3858 | void |
3680 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3859 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3681 | { |
3860 | { |
3682 | int fd = w->fd; |
3861 | int fd = w->fd; |
3683 | |
3862 | |
3684 | if (expect_false (ev_is_active (w))) |
3863 | if (expect_false (ev_is_active (w))) |
… | |
… | |
3700 | w->events &= ~EV__IOFDSET; |
3879 | w->events &= ~EV__IOFDSET; |
3701 | |
3880 | |
3702 | EV_FREQUENT_CHECK; |
3881 | EV_FREQUENT_CHECK; |
3703 | } |
3882 | } |
3704 | |
3883 | |
3705 | void noinline |
3884 | noinline |
|
|
3885 | void |
3706 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3886 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3707 | { |
3887 | { |
3708 | clear_pending (EV_A_ (W)w); |
3888 | clear_pending (EV_A_ (W)w); |
3709 | if (expect_false (!ev_is_active (w))) |
3889 | if (expect_false (!ev_is_active (w))) |
3710 | return; |
3890 | return; |
… | |
… | |
3719 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3899 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3720 | |
3900 | |
3721 | EV_FREQUENT_CHECK; |
3901 | EV_FREQUENT_CHECK; |
3722 | } |
3902 | } |
3723 | |
3903 | |
3724 | void noinline |
3904 | noinline |
|
|
3905 | void |
3725 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3906 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3726 | { |
3907 | { |
3727 | if (expect_false (ev_is_active (w))) |
3908 | if (expect_false (ev_is_active (w))) |
3728 | return; |
3909 | return; |
3729 | |
3910 | |
… | |
… | |
3743 | EV_FREQUENT_CHECK; |
3924 | EV_FREQUENT_CHECK; |
3744 | |
3925 | |
3745 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3926 | /*assert (("libev: internal timer heap corruption", timers [ev_active (w)] == (WT)w));*/ |
3746 | } |
3927 | } |
3747 | |
3928 | |
3748 | void noinline |
3929 | noinline |
|
|
3930 | void |
3749 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3931 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3750 | { |
3932 | { |
3751 | clear_pending (EV_A_ (W)w); |
3933 | clear_pending (EV_A_ (W)w); |
3752 | if (expect_false (!ev_is_active (w))) |
3934 | if (expect_false (!ev_is_active (w))) |
3753 | return; |
3935 | return; |
… | |
… | |
3773 | ev_stop (EV_A_ (W)w); |
3955 | ev_stop (EV_A_ (W)w); |
3774 | |
3956 | |
3775 | EV_FREQUENT_CHECK; |
3957 | EV_FREQUENT_CHECK; |
3776 | } |
3958 | } |
3777 | |
3959 | |
3778 | void noinline |
3960 | noinline |
|
|
3961 | void |
3779 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3962 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3780 | { |
3963 | { |
3781 | EV_FREQUENT_CHECK; |
3964 | EV_FREQUENT_CHECK; |
3782 | |
3965 | |
3783 | clear_pending (EV_A_ (W)w); |
3966 | clear_pending (EV_A_ (W)w); |
… | |
… | |
3807 | { |
3990 | { |
3808 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3991 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3809 | } |
3992 | } |
3810 | |
3993 | |
3811 | #if EV_PERIODIC_ENABLE |
3994 | #if EV_PERIODIC_ENABLE |
3812 | void noinline |
3995 | noinline |
|
|
3996 | void |
3813 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
3997 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
3814 | { |
3998 | { |
3815 | if (expect_false (ev_is_active (w))) |
3999 | if (expect_false (ev_is_active (w))) |
3816 | return; |
4000 | return; |
3817 | |
4001 | |
… | |
… | |
3837 | EV_FREQUENT_CHECK; |
4021 | EV_FREQUENT_CHECK; |
3838 | |
4022 | |
3839 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
4023 | /*assert (("libev: internal periodic heap corruption", ANHE_w (periodics [ev_active (w)]) == (WT)w));*/ |
3840 | } |
4024 | } |
3841 | |
4025 | |
3842 | void noinline |
4026 | noinline |
|
|
4027 | void |
3843 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4028 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
3844 | { |
4029 | { |
3845 | clear_pending (EV_A_ (W)w); |
4030 | clear_pending (EV_A_ (W)w); |
3846 | if (expect_false (!ev_is_active (w))) |
4031 | if (expect_false (!ev_is_active (w))) |
3847 | return; |
4032 | return; |
… | |
… | |
3865 | ev_stop (EV_A_ (W)w); |
4050 | ev_stop (EV_A_ (W)w); |
3866 | |
4051 | |
3867 | EV_FREQUENT_CHECK; |
4052 | EV_FREQUENT_CHECK; |
3868 | } |
4053 | } |
3869 | |
4054 | |
3870 | void noinline |
4055 | noinline |
|
|
4056 | void |
3871 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4057 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
3872 | { |
4058 | { |
3873 | /* TODO: use adjustheap and recalculation */ |
4059 | /* TODO: use adjustheap and recalculation */ |
3874 | ev_periodic_stop (EV_A_ w); |
4060 | ev_periodic_stop (EV_A_ w); |
3875 | ev_periodic_start (EV_A_ w); |
4061 | ev_periodic_start (EV_A_ w); |
… | |
… | |
3880 | # define SA_RESTART 0 |
4066 | # define SA_RESTART 0 |
3881 | #endif |
4067 | #endif |
3882 | |
4068 | |
3883 | #if EV_SIGNAL_ENABLE |
4069 | #if EV_SIGNAL_ENABLE |
3884 | |
4070 | |
3885 | void noinline |
4071 | noinline |
|
|
4072 | void |
3886 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4073 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
3887 | { |
4074 | { |
3888 | if (expect_false (ev_is_active (w))) |
4075 | if (expect_false (ev_is_active (w))) |
3889 | return; |
4076 | return; |
3890 | |
4077 | |
… | |
… | |
3962 | } |
4149 | } |
3963 | |
4150 | |
3964 | EV_FREQUENT_CHECK; |
4151 | EV_FREQUENT_CHECK; |
3965 | } |
4152 | } |
3966 | |
4153 | |
3967 | void noinline |
4154 | noinline |
|
|
4155 | void |
3968 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4156 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
3969 | { |
4157 | { |
3970 | clear_pending (EV_A_ (W)w); |
4158 | clear_pending (EV_A_ (W)w); |
3971 | if (expect_false (!ev_is_active (w))) |
4159 | if (expect_false (!ev_is_active (w))) |
3972 | return; |
4160 | return; |
… | |
… | |
4048 | |
4236 | |
4049 | #define DEF_STAT_INTERVAL 5.0074891 |
4237 | #define DEF_STAT_INTERVAL 5.0074891 |
4050 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4238 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4051 | #define MIN_STAT_INTERVAL 0.1074891 |
4239 | #define MIN_STAT_INTERVAL 0.1074891 |
4052 | |
4240 | |
4053 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4241 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4054 | |
4242 | |
4055 | #if EV_USE_INOTIFY |
4243 | #if EV_USE_INOTIFY |
4056 | |
4244 | |
4057 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4245 | /* the * 2 is to allow for alignment padding, which for some reason is >> 8 */ |
4058 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4246 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4059 | |
4247 | |
4060 | static void noinline |
4248 | noinline |
|
|
4249 | static void |
4061 | infy_add (EV_P_ ev_stat *w) |
4250 | infy_add (EV_P_ ev_stat *w) |
4062 | { |
4251 | { |
4063 | w->wd = inotify_add_watch (fs_fd, w->path, |
4252 | w->wd = inotify_add_watch (fs_fd, w->path, |
4064 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4253 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4065 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
4254 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
… | |
… | |
4129 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4318 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4130 | ev_timer_again (EV_A_ &w->timer); |
4319 | ev_timer_again (EV_A_ &w->timer); |
4131 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4320 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4132 | } |
4321 | } |
4133 | |
4322 | |
4134 | static void noinline |
4323 | noinline |
|
|
4324 | static void |
4135 | infy_del (EV_P_ ev_stat *w) |
4325 | infy_del (EV_P_ ev_stat *w) |
4136 | { |
4326 | { |
4137 | int slot; |
4327 | int slot; |
4138 | int wd = w->wd; |
4328 | int wd = w->wd; |
4139 | |
4329 | |
… | |
… | |
4146 | |
4336 | |
4147 | /* remove this watcher, if others are watching it, they will rearm */ |
4337 | /* remove this watcher, if others are watching it, they will rearm */ |
4148 | inotify_rm_watch (fs_fd, wd); |
4338 | inotify_rm_watch (fs_fd, wd); |
4149 | } |
4339 | } |
4150 | |
4340 | |
4151 | static void noinline |
4341 | noinline |
|
|
4342 | static void |
4152 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4343 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4153 | { |
4344 | { |
4154 | if (slot < 0) |
4345 | if (slot < 0) |
4155 | /* overflow, need to check for all hash slots */ |
4346 | /* overflow, need to check for all hash slots */ |
4156 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4347 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
4192 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4383 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4193 | ofs += sizeof (struct inotify_event) + ev->len; |
4384 | ofs += sizeof (struct inotify_event) + ev->len; |
4194 | } |
4385 | } |
4195 | } |
4386 | } |
4196 | |
4387 | |
4197 | inline_size void ecb_cold |
4388 | inline_size ecb_cold |
|
|
4389 | void |
4198 | ev_check_2625 (EV_P) |
4390 | ev_check_2625 (EV_P) |
4199 | { |
4391 | { |
4200 | /* kernels < 2.6.25 are borked |
4392 | /* kernels < 2.6.25 are borked |
4201 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4393 | * http://www.ussg.indiana.edu/hypermail/linux/kernel/0711.3/1208.html |
4202 | */ |
4394 | */ |
… | |
… | |
4300 | w->attr.st_nlink = 0; |
4492 | w->attr.st_nlink = 0; |
4301 | else if (!w->attr.st_nlink) |
4493 | else if (!w->attr.st_nlink) |
4302 | w->attr.st_nlink = 1; |
4494 | w->attr.st_nlink = 1; |
4303 | } |
4495 | } |
4304 | |
4496 | |
4305 | static void noinline |
4497 | noinline |
|
|
4498 | static void |
4306 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4499 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4307 | { |
4500 | { |
4308 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4501 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4309 | |
4502 | |
4310 | ev_statdata prev = w->attr; |
4503 | ev_statdata prev = w->attr; |
… | |
… | |
4520 | EV_FREQUENT_CHECK; |
4713 | EV_FREQUENT_CHECK; |
4521 | } |
4714 | } |
4522 | #endif |
4715 | #endif |
4523 | |
4716 | |
4524 | #if EV_EMBED_ENABLE |
4717 | #if EV_EMBED_ENABLE |
4525 | void noinline |
4718 | noinline |
|
|
4719 | void |
4526 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4720 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4527 | { |
4721 | { |
4528 | ev_run (w->other, EVRUN_NOWAIT); |
4722 | ev_run (w->other, EVRUN_NOWAIT); |
4529 | } |
4723 | } |
4530 | |
4724 | |
… | |
… | |
4827 | } |
5021 | } |
4828 | |
5022 | |
4829 | /*****************************************************************************/ |
5023 | /*****************************************************************************/ |
4830 | |
5024 | |
4831 | #if EV_WALK_ENABLE |
5025 | #if EV_WALK_ENABLE |
4832 | void ecb_cold |
5026 | ecb_cold |
|
|
5027 | void |
4833 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5028 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
4834 | { |
5029 | { |
4835 | int i, j; |
5030 | int i, j; |
4836 | ev_watcher_list *wl, *wn; |
5031 | ev_watcher_list *wl, *wn; |
4837 | |
5032 | |