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 |
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|
168 | * a limit of 1024 into their select. Where people have brains, |
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|
169 | * OS X engineers apparently have a vacuum. Or maybe they were |
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|
170 | * ordered to have a vacuum, or they do anything for money. |
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|
171 | * This might help. Or not. |
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|
172 | * Note that this must be defined early, as other include files |
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|
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 |
… | |
… | |
645 | #endif |
647 | #endif |
646 | |
648 | |
647 | /* http://www-01.ibm.com/support/knowledgecenter/SSGH3R_13.1.0/com.ibm.xlcpp131.aix.doc/compiler_ref/compiler_builtins.html */ |
649 | /* 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 |
650 | #if __xlC__ && ECB_CPP |
649 | #include <builtins.h> |
651 | #include <builtins.h> |
|
|
652 | #endif |
|
|
653 | |
|
|
654 | #if 1400 <= _MSC_VER |
|
|
655 | #include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */ |
650 | #endif |
656 | #endif |
651 | |
657 | |
652 | #ifndef ECB_MEMORY_FENCE |
658 | #ifndef ECB_MEMORY_FENCE |
653 | #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 |
654 | #if __i386 || __i386__ |
660 | #if __i386 || __i386__ |
… | |
… | |
659 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
665 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory") |
660 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
666 | #define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("" : : : "memory") |
661 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
667 | #define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("") |
662 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
668 | #elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__ |
663 | #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 */ |
664 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
677 | #elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \ |
665 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ |
678 | || defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \ |
|
|
679 | || defined __ARM_ARCH_6T2__ |
666 | #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") |
667 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
681 | #elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \ |
668 | || defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__ |
682 | || defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__ |
669 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
683 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory") |
670 | #elif __aarch64__ |
684 | #elif __aarch64__ |
671 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
685 | #define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory") |
672 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
686 | #elif (__sparc || __sparc__) && !(__sparc_v8__ || defined __sparcv8) |
673 | #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") |
… | |
… | |
915 | #else |
929 | #else |
916 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
930 | ecb_function_ ecb_const int ecb_ctz32 (uint32_t x); |
917 | ecb_function_ ecb_const int |
931 | ecb_function_ ecb_const int |
918 | ecb_ctz32 (uint32_t x) |
932 | ecb_ctz32 (uint32_t x) |
919 | { |
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 |
920 | int r = 0; |
939 | int r = 0; |
921 | |
940 | |
922 | x &= ~x + 1; /* this isolates the lowest bit */ |
941 | x &= ~x + 1; /* this isolates the lowest bit */ |
923 | |
942 | |
924 | #if ECB_branchless_on_i386 |
943 | #if ECB_branchless_on_i386 |
… | |
… | |
934 | if (x & 0xff00ff00) r += 8; |
953 | if (x & 0xff00ff00) r += 8; |
935 | if (x & 0xffff0000) r += 16; |
954 | if (x & 0xffff0000) r += 16; |
936 | #endif |
955 | #endif |
937 | |
956 | |
938 | return r; |
957 | return r; |
|
|
958 | #endif |
939 | } |
959 | } |
940 | |
960 | |
941 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
961 | ecb_function_ ecb_const int ecb_ctz64 (uint64_t x); |
942 | ecb_function_ ecb_const int |
962 | ecb_function_ ecb_const int |
943 | ecb_ctz64 (uint64_t x) |
963 | ecb_ctz64 (uint64_t x) |
944 | { |
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 |
945 | int shift = x & 0xffffffffU ? 0 : 32; |
970 | int shift = x & 0xffffffff ? 0 : 32; |
946 | return ecb_ctz32 (x >> shift) + shift; |
971 | return ecb_ctz32 (x >> shift) + shift; |
|
|
972 | #endif |
947 | } |
973 | } |
948 | |
974 | |
949 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
975 | ecb_function_ ecb_const int ecb_popcount32 (uint32_t x); |
950 | ecb_function_ ecb_const int |
976 | ecb_function_ ecb_const int |
951 | ecb_popcount32 (uint32_t x) |
977 | ecb_popcount32 (uint32_t x) |
… | |
… | |
959 | } |
985 | } |
960 | |
986 | |
961 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
987 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x); |
962 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
988 | ecb_function_ ecb_const int ecb_ld32 (uint32_t x) |
963 | { |
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 |
964 | int r = 0; |
995 | int r = 0; |
965 | |
996 | |
966 | if (x >> 16) { x >>= 16; r += 16; } |
997 | if (x >> 16) { x >>= 16; r += 16; } |
967 | if (x >> 8) { x >>= 8; r += 8; } |
998 | if (x >> 8) { x >>= 8; r += 8; } |
968 | if (x >> 4) { x >>= 4; r += 4; } |
999 | if (x >> 4) { x >>= 4; r += 4; } |
969 | if (x >> 2) { x >>= 2; r += 2; } |
1000 | if (x >> 2) { x >>= 2; r += 2; } |
970 | if (x >> 1) { r += 1; } |
1001 | if (x >> 1) { r += 1; } |
971 | |
1002 | |
972 | return r; |
1003 | return r; |
|
|
1004 | #endif |
973 | } |
1005 | } |
974 | |
1006 | |
975 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
1007 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x); |
976 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
1008 | ecb_function_ ecb_const int ecb_ld64 (uint64_t x) |
977 | { |
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 |
978 | int r = 0; |
1015 | int r = 0; |
979 | |
1016 | |
980 | if (x >> 32) { x >>= 32; r += 32; } |
1017 | if (x >> 32) { x >>= 32; r += 32; } |
981 | |
1018 | |
982 | return r + ecb_ld32 (x); |
1019 | return r + ecb_ld32 (x); |
|
|
1020 | #endif |
983 | } |
1021 | } |
984 | #endif |
1022 | #endif |
985 | |
1023 | |
986 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
1024 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x); |
987 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
1025 | ecb_function_ ecb_const ecb_bool ecb_is_pot32 (uint32_t x) { return !(x & (x - 1)); } |
… | |
… | |
1090 | #endif |
1128 | #endif |
1091 | |
1129 | |
1092 | /* try to tell the compiler that some condition is definitely true */ |
1130 | /* try to tell the compiler that some condition is definitely true */ |
1093 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1131 | #define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0 |
1094 | |
1132 | |
1095 | ecb_inline ecb_const unsigned char ecb_byteorder_helper (void); |
1133 | ecb_inline ecb_const uint32_t ecb_byteorder_helper (void); |
1096 | ecb_inline ecb_const unsigned char |
1134 | ecb_inline ecb_const uint32_t |
1097 | ecb_byteorder_helper (void) |
1135 | ecb_byteorder_helper (void) |
1098 | { |
1136 | { |
1099 | /* the union code still generates code under pressure in gcc, */ |
1137 | /* the union code still generates code under pressure in gcc, */ |
1100 | /* but less than using pointers, and always seems to */ |
1138 | /* but less than using pointers, and always seems to */ |
1101 | /* successfully return a constant. */ |
1139 | /* successfully return a constant. */ |
1102 | /* the reason why we have this horrible preprocessor mess */ |
1140 | /* the reason why we have this horrible preprocessor mess */ |
1103 | /* 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 */ |
1104 | /* or when using a recent enough gcc version (>= 4.6) */ |
1142 | /* or when using a recent enough gcc version (>= 4.6) */ |
1105 | #if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64 |
|
|
1106 | return 0x44; |
|
|
1107 | #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 |
1108 | return 0x44; |
1146 | return 0x44332211; |
1109 | #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 |
1110 | return 0x11; |
1150 | return 0x11223344; |
1111 | #else |
1151 | #else |
1112 | union |
1152 | union |
1113 | { |
1153 | { |
|
|
1154 | uint8_t c[4]; |
1114 | uint32_t i; |
1155 | uint32_t u; |
1115 | uint8_t c; |
|
|
1116 | } u = { 0x11223344 }; |
1156 | } u = { 0x11, 0x22, 0x33, 0x44 }; |
1117 | return u.c; |
1157 | return u.u; |
1118 | #endif |
1158 | #endif |
1119 | } |
1159 | } |
1120 | |
1160 | |
1121 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1161 | ecb_inline ecb_const ecb_bool ecb_big_endian (void); |
1122 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; } |
1162 | ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; } |
1123 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1163 | ecb_inline ecb_const ecb_bool ecb_little_endian (void); |
1124 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; } |
1164 | ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; } |
1125 | |
1165 | |
1126 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1166 | #if ECB_GCC_VERSION(3,0) || ECB_C99 |
1127 | #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)) |
1128 | #else |
1168 | #else |
1129 | #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))) |
… | |
… | |
1153 | return N; |
1193 | return N; |
1154 | } |
1194 | } |
1155 | #else |
1195 | #else |
1156 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1196 | #define ecb_array_length(name) (sizeof (name) / sizeof (name [0])) |
1157 | #endif |
1197 | #endif |
|
|
1198 | |
|
|
1199 | ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x); |
|
|
1200 | ecb_function_ ecb_const uint32_t |
|
|
1201 | ecb_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 | |
|
|
1231 | ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x); |
|
|
1232 | ecb_function_ ecb_const uint16_t |
|
|
1233 | ecb_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 | } |
1158 | |
1294 | |
1159 | /*******************************************************************************/ |
1295 | /*******************************************************************************/ |
1160 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1296 | /* floating point stuff, can be disabled by defining ECB_NO_LIBM */ |
1161 | |
1297 | |
1162 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
1298 | /* basically, everything uses "ieee pure-endian" floating point numbers */ |
… | |
… | |
1205 | #else |
1341 | #else |
1206 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
1342 | #define ecb_ldexpf(x,e) (float) ldexp ((double) (x), (e)) |
1207 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
1343 | #define ecb_frexpf(x,e) (float) frexp ((double) (x), (e)) |
1208 | #endif |
1344 | #endif |
1209 | |
1345 | |
1210 | /* converts an ieee half/binary16 to a float */ |
|
|
1211 | ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x); |
|
|
1212 | ecb_function_ ecb_const float |
|
|
1213 | ecb_binary16_to_float (uint16_t x) |
|
|
1214 | { |
|
|
1215 | int e = (x >> 10) & 0x1f; |
|
|
1216 | int m = x & 0x3ff; |
|
|
1217 | float r; |
|
|
1218 | |
|
|
1219 | if (!e ) r = ecb_ldexpf (m , -24); |
|
|
1220 | else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25); |
|
|
1221 | else if (m ) r = ECB_NAN; |
|
|
1222 | else r = ECB_INFINITY; |
|
|
1223 | |
|
|
1224 | return x & 0x8000 ? -r : r; |
|
|
1225 | } |
|
|
1226 | |
|
|
1227 | /* convert a float to ieee single/binary32 */ |
1346 | /* convert a float to ieee single/binary32 */ |
1228 | 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); |
1229 | ecb_function_ ecb_const uint32_t |
1348 | ecb_function_ ecb_const uint32_t |
1230 | ecb_float_to_binary32 (float x) |
1349 | ecb_float_to_binary32 (float x) |
1231 | { |
1350 | { |
… | |
… | |
1360 | |
1479 | |
1361 | r = neg ? -r : r; |
1480 | r = neg ? -r : r; |
1362 | #endif |
1481 | #endif |
1363 | |
1482 | |
1364 | 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)); |
1365 | } |
1500 | } |
1366 | |
1501 | |
1367 | #endif |
1502 | #endif |
1368 | |
1503 | |
1369 | #endif |
1504 | #endif |
… | |
… | |
1394 | #define inline_size ecb_inline |
1529 | #define inline_size ecb_inline |
1395 | |
1530 | |
1396 | #if EV_FEATURE_CODE |
1531 | #if EV_FEATURE_CODE |
1397 | # define inline_speed ecb_inline |
1532 | # define inline_speed ecb_inline |
1398 | #else |
1533 | #else |
1399 | # define inline_speed static noinline |
1534 | # define inline_speed noinline static |
1400 | #endif |
1535 | #endif |
1401 | |
1536 | |
1402 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1537 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
1403 | |
1538 | |
1404 | #if EV_MINPRI == EV_MAXPRI |
1539 | #if EV_MINPRI == EV_MAXPRI |
… | |
… | |
1451 | #else |
1586 | #else |
1452 | |
1587 | |
1453 | #include <float.h> |
1588 | #include <float.h> |
1454 | |
1589 | |
1455 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
1590 | /* a floor() replacement function, should be independent of ev_tstamp type */ |
|
|
1591 | noinline |
1456 | static ev_tstamp noinline |
1592 | static ev_tstamp |
1457 | ev_floor (ev_tstamp v) |
1593 | ev_floor (ev_tstamp v) |
1458 | { |
1594 | { |
1459 | /* the choice of shift factor is not terribly important */ |
1595 | /* the choice of shift factor is not terribly important */ |
1460 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1596 | #if FLT_RADIX != 2 /* assume FLT_RADIX == 10 */ |
1461 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
1597 | const ev_tstamp shift = sizeof (unsigned long) >= 8 ? 10000000000000000000. : 1000000000.; |
… | |
… | |
1493 | |
1629 | |
1494 | #ifdef __linux |
1630 | #ifdef __linux |
1495 | # include <sys/utsname.h> |
1631 | # include <sys/utsname.h> |
1496 | #endif |
1632 | #endif |
1497 | |
1633 | |
1498 | static unsigned int noinline ecb_cold |
1634 | noinline ecb_cold |
|
|
1635 | static unsigned int |
1499 | ev_linux_version (void) |
1636 | ev_linux_version (void) |
1500 | { |
1637 | { |
1501 | #ifdef __linux |
1638 | #ifdef __linux |
1502 | unsigned int v = 0; |
1639 | unsigned int v = 0; |
1503 | struct utsname buf; |
1640 | struct utsname buf; |
… | |
… | |
1532 | } |
1669 | } |
1533 | |
1670 | |
1534 | /*****************************************************************************/ |
1671 | /*****************************************************************************/ |
1535 | |
1672 | |
1536 | #if EV_AVOID_STDIO |
1673 | #if EV_AVOID_STDIO |
1537 | static void noinline ecb_cold |
1674 | noinline ecb_cold |
|
|
1675 | static void |
1538 | ev_printerr (const char *msg) |
1676 | ev_printerr (const char *msg) |
1539 | { |
1677 | { |
1540 | write (STDERR_FILENO, msg, strlen (msg)); |
1678 | write (STDERR_FILENO, msg, strlen (msg)); |
1541 | } |
1679 | } |
1542 | #endif |
1680 | #endif |
1543 | |
1681 | |
1544 | static void (*syserr_cb)(const char *msg) EV_THROW; |
1682 | static void (*syserr_cb)(const char *msg) EV_NOEXCEPT; |
1545 | |
1683 | |
1546 | void ecb_cold |
1684 | ecb_cold |
|
|
1685 | void |
1547 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_THROW) EV_THROW |
1686 | ev_set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
1548 | { |
1687 | { |
1549 | syserr_cb = cb; |
1688 | syserr_cb = cb; |
1550 | } |
1689 | } |
1551 | |
1690 | |
1552 | static void noinline ecb_cold |
1691 | noinline ecb_cold |
|
|
1692 | static void |
1553 | ev_syserr (const char *msg) |
1693 | ev_syserr (const char *msg) |
1554 | { |
1694 | { |
1555 | if (!msg) |
1695 | if (!msg) |
1556 | msg = "(libev) system error"; |
1696 | msg = "(libev) system error"; |
1557 | |
1697 | |
… | |
… | |
1570 | abort (); |
1710 | abort (); |
1571 | } |
1711 | } |
1572 | } |
1712 | } |
1573 | |
1713 | |
1574 | static void * |
1714 | static void * |
1575 | ev_realloc_emul (void *ptr, long size) EV_THROW |
1715 | ev_realloc_emul (void *ptr, long size) EV_NOEXCEPT |
1576 | { |
1716 | { |
1577 | /* some systems, notably openbsd and darwin, fail to properly |
1717 | /* some systems, notably openbsd and darwin, fail to properly |
1578 | * 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 |
1579 | * the single unix specification, so work around them here. |
1719 | * the single unix specification, so work around them here. |
1580 | * recently, also (at least) fedora and debian started breaking it, |
1720 | * recently, also (at least) fedora and debian started breaking it, |
… | |
… | |
1586 | |
1726 | |
1587 | free (ptr); |
1727 | free (ptr); |
1588 | return 0; |
1728 | return 0; |
1589 | } |
1729 | } |
1590 | |
1730 | |
1591 | static void *(*alloc)(void *ptr, long size) EV_THROW = ev_realloc_emul; |
1731 | static void *(*alloc)(void *ptr, long size) EV_NOEXCEPT = ev_realloc_emul; |
1592 | |
1732 | |
1593 | void ecb_cold |
1733 | ecb_cold |
|
|
1734 | void |
1594 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_THROW) EV_THROW |
1735 | ev_set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
1595 | { |
1736 | { |
1596 | alloc = cb; |
1737 | alloc = cb; |
1597 | } |
1738 | } |
1598 | |
1739 | |
1599 | inline_speed void * |
1740 | inline_speed void * |
… | |
… | |
1716 | |
1857 | |
1717 | /*****************************************************************************/ |
1858 | /*****************************************************************************/ |
1718 | |
1859 | |
1719 | #ifndef EV_HAVE_EV_TIME |
1860 | #ifndef EV_HAVE_EV_TIME |
1720 | ev_tstamp |
1861 | ev_tstamp |
1721 | ev_time (void) EV_THROW |
1862 | ev_time (void) EV_NOEXCEPT |
1722 | { |
1863 | { |
1723 | #if EV_USE_REALTIME |
1864 | #if EV_USE_REALTIME |
1724 | if (expect_true (have_realtime)) |
1865 | if (expect_true (have_realtime)) |
1725 | { |
1866 | { |
1726 | struct timespec ts; |
1867 | struct timespec ts; |
… | |
… | |
1750 | return ev_time (); |
1891 | return ev_time (); |
1751 | } |
1892 | } |
1752 | |
1893 | |
1753 | #if EV_MULTIPLICITY |
1894 | #if EV_MULTIPLICITY |
1754 | ev_tstamp |
1895 | ev_tstamp |
1755 | ev_now (EV_P) EV_THROW |
1896 | ev_now (EV_P) EV_NOEXCEPT |
1756 | { |
1897 | { |
1757 | return ev_rt_now; |
1898 | return ev_rt_now; |
1758 | } |
1899 | } |
1759 | #endif |
1900 | #endif |
1760 | |
1901 | |
1761 | void |
1902 | void |
1762 | ev_sleep (ev_tstamp delay) EV_THROW |
1903 | ev_sleep (ev_tstamp delay) EV_NOEXCEPT |
1763 | { |
1904 | { |
1764 | if (delay > 0.) |
1905 | if (delay > 0.) |
1765 | { |
1906 | { |
1766 | #if EV_USE_NANOSLEEP |
1907 | #if EV_USE_NANOSLEEP |
1767 | struct timespec ts; |
1908 | struct timespec ts; |
1768 | |
1909 | |
1769 | EV_TS_SET (ts, delay); |
1910 | EV_TS_SET (ts, delay); |
1770 | nanosleep (&ts, 0); |
1911 | nanosleep (&ts, 0); |
1771 | #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) */ |
1772 | Sleep ((unsigned long)(delay * 1e3)); |
1915 | Sleep ((unsigned long)(delay * 1e3)); |
1773 | #else |
1916 | #else |
1774 | struct timeval tv; |
1917 | struct timeval tv; |
1775 | |
1918 | |
1776 | /* 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 */ |
… | |
… | |
1807 | } |
1950 | } |
1808 | |
1951 | |
1809 | return ncur; |
1952 | return ncur; |
1810 | } |
1953 | } |
1811 | |
1954 | |
1812 | static void * noinline ecb_cold |
1955 | noinline ecb_cold |
|
|
1956 | static void * |
1813 | array_realloc (int elem, void *base, int *cur, int cnt) |
1957 | array_realloc (int elem, void *base, int *cur, int cnt) |
1814 | { |
1958 | { |
1815 | *cur = array_nextsize (elem, *cur, cnt); |
1959 | *cur = array_nextsize (elem, *cur, cnt); |
1816 | return ev_realloc (base, elem * *cur); |
1960 | return ev_realloc (base, elem * *cur); |
1817 | } |
1961 | } |
… | |
… | |
1820 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1964 | memset ((void *)(base), 0, sizeof (*(base)) * (count)) |
1821 | |
1965 | |
1822 | #define array_needsize(type,base,cur,cnt,init) \ |
1966 | #define array_needsize(type,base,cur,cnt,init) \ |
1823 | if (expect_false ((cnt) > (cur))) \ |
1967 | if (expect_false ((cnt) > (cur))) \ |
1824 | { \ |
1968 | { \ |
1825 | int ecb_unused ocur_ = (cur); \ |
1969 | ecb_unused int ocur_ = (cur); \ |
1826 | (base) = (type *)array_realloc \ |
1970 | (base) = (type *)array_realloc \ |
1827 | (sizeof (type), (base), &(cur), (cnt)); \ |
1971 | (sizeof (type), (base), &(cur), (cnt)); \ |
1828 | init ((base) + (ocur_), (cur) - ocur_); \ |
1972 | init ((base) + (ocur_), (cur) - ocur_); \ |
1829 | } |
1973 | } |
1830 | |
1974 | |
… | |
… | |
1842 | 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 |
1843 | |
1987 | |
1844 | /*****************************************************************************/ |
1988 | /*****************************************************************************/ |
1845 | |
1989 | |
1846 | /* dummy callback for pending events */ |
1990 | /* dummy callback for pending events */ |
1847 | static void noinline |
1991 | noinline |
|
|
1992 | static void |
1848 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1993 | pendingcb (EV_P_ ev_prepare *w, int revents) |
1849 | { |
1994 | { |
1850 | } |
1995 | } |
1851 | |
1996 | |
1852 | void noinline |
1997 | noinline |
|
|
1998 | void |
1853 | ev_feed_event (EV_P_ void *w, int revents) EV_THROW |
1999 | ev_feed_event (EV_P_ void *w, int revents) EV_NOEXCEPT |
1854 | { |
2000 | { |
1855 | W w_ = (W)w; |
2001 | W w_ = (W)w; |
1856 | int pri = ABSPRI (w_); |
2002 | int pri = ABSPRI (w_); |
1857 | |
2003 | |
1858 | if (expect_false (w_->pending)) |
2004 | if (expect_false (w_->pending)) |
… | |
… | |
1919 | if (expect_true (!anfd->reify)) |
2065 | if (expect_true (!anfd->reify)) |
1920 | fd_event_nocheck (EV_A_ fd, revents); |
2066 | fd_event_nocheck (EV_A_ fd, revents); |
1921 | } |
2067 | } |
1922 | |
2068 | |
1923 | void |
2069 | void |
1924 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_THROW |
2070 | ev_feed_fd_event (EV_P_ int fd, int revents) EV_NOEXCEPT |
1925 | { |
2071 | { |
1926 | if (fd >= 0 && fd < anfdmax) |
2072 | if (fd >= 0 && fd < anfdmax) |
1927 | fd_event_nocheck (EV_A_ fd, revents); |
2073 | fd_event_nocheck (EV_A_ fd, revents); |
1928 | } |
2074 | } |
1929 | |
2075 | |
… | |
… | |
1987 | |
2133 | |
1988 | fdchangecnt = 0; |
2134 | fdchangecnt = 0; |
1989 | } |
2135 | } |
1990 | |
2136 | |
1991 | /* something about the given fd changed */ |
2137 | /* something about the given fd changed */ |
1992 | inline_size void |
2138 | inline_size |
|
|
2139 | void |
1993 | fd_change (EV_P_ int fd, int flags) |
2140 | fd_change (EV_P_ int fd, int flags) |
1994 | { |
2141 | { |
1995 | unsigned char reify = anfds [fd].reify; |
2142 | unsigned char reify = anfds [fd].reify; |
1996 | anfds [fd].reify |= flags; |
2143 | anfds [fd].reify |= flags; |
1997 | |
2144 | |
… | |
… | |
2002 | fdchanges [fdchangecnt - 1] = fd; |
2149 | fdchanges [fdchangecnt - 1] = fd; |
2003 | } |
2150 | } |
2004 | } |
2151 | } |
2005 | |
2152 | |
2006 | /* 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 */ |
2007 | inline_speed void ecb_cold |
2154 | inline_speed ecb_cold void |
2008 | fd_kill (EV_P_ int fd) |
2155 | fd_kill (EV_P_ int fd) |
2009 | { |
2156 | { |
2010 | ev_io *w; |
2157 | ev_io *w; |
2011 | |
2158 | |
2012 | while ((w = (ev_io *)anfds [fd].head)) |
2159 | while ((w = (ev_io *)anfds [fd].head)) |
… | |
… | |
2015 | 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); |
2016 | } |
2163 | } |
2017 | } |
2164 | } |
2018 | |
2165 | |
2019 | /* check whether the given fd is actually valid, for error recovery */ |
2166 | /* check whether the given fd is actually valid, for error recovery */ |
2020 | inline_size int ecb_cold |
2167 | inline_size ecb_cold int |
2021 | fd_valid (int fd) |
2168 | fd_valid (int fd) |
2022 | { |
2169 | { |
2023 | #ifdef _WIN32 |
2170 | #ifdef _WIN32 |
2024 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2171 | return EV_FD_TO_WIN32_HANDLE (fd) != -1; |
2025 | #else |
2172 | #else |
2026 | return fcntl (fd, F_GETFD) != -1; |
2173 | return fcntl (fd, F_GETFD) != -1; |
2027 | #endif |
2174 | #endif |
2028 | } |
2175 | } |
2029 | |
2176 | |
2030 | /* called on EBADF to verify fds */ |
2177 | /* called on EBADF to verify fds */ |
2031 | static void noinline ecb_cold |
2178 | noinline ecb_cold |
|
|
2179 | static void |
2032 | fd_ebadf (EV_P) |
2180 | fd_ebadf (EV_P) |
2033 | { |
2181 | { |
2034 | int fd; |
2182 | int fd; |
2035 | |
2183 | |
2036 | for (fd = 0; fd < anfdmax; ++fd) |
2184 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
2038 | if (!fd_valid (fd) && errno == EBADF) |
2186 | if (!fd_valid (fd) && errno == EBADF) |
2039 | fd_kill (EV_A_ fd); |
2187 | fd_kill (EV_A_ fd); |
2040 | } |
2188 | } |
2041 | |
2189 | |
2042 | /* 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 */ |
2043 | static void noinline ecb_cold |
2191 | noinline ecb_cold |
|
|
2192 | static void |
2044 | fd_enomem (EV_P) |
2193 | fd_enomem (EV_P) |
2045 | { |
2194 | { |
2046 | int fd; |
2195 | int fd; |
2047 | |
2196 | |
2048 | for (fd = anfdmax; fd--; ) |
2197 | for (fd = anfdmax; fd--; ) |
… | |
… | |
2052 | break; |
2201 | break; |
2053 | } |
2202 | } |
2054 | } |
2203 | } |
2055 | |
2204 | |
2056 | /* 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 */ |
2057 | static void noinline |
2206 | noinline |
|
|
2207 | static void |
2058 | fd_rearm_all (EV_P) |
2208 | fd_rearm_all (EV_P) |
2059 | { |
2209 | { |
2060 | int fd; |
2210 | int fd; |
2061 | |
2211 | |
2062 | for (fd = 0; fd < anfdmax; ++fd) |
2212 | for (fd = 0; fd < anfdmax; ++fd) |
… | |
… | |
2243 | |
2393 | |
2244 | /*****************************************************************************/ |
2394 | /*****************************************************************************/ |
2245 | |
2395 | |
2246 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2396 | #if EV_SIGNAL_ENABLE || EV_ASYNC_ENABLE |
2247 | |
2397 | |
2248 | static void noinline ecb_cold |
2398 | noinline ecb_cold |
|
|
2399 | static void |
2249 | evpipe_init (EV_P) |
2400 | evpipe_init (EV_P) |
2250 | { |
2401 | { |
2251 | if (!ev_is_active (&pipe_w)) |
2402 | if (!ev_is_active (&pipe_w)) |
2252 | { |
2403 | { |
2253 | int fds [2]; |
2404 | int fds [2]; |
… | |
… | |
2324 | #endif |
2475 | #endif |
2325 | { |
2476 | { |
2326 | #ifdef _WIN32 |
2477 | #ifdef _WIN32 |
2327 | WSABUF buf; |
2478 | WSABUF buf; |
2328 | DWORD sent; |
2479 | DWORD sent; |
2329 | buf.buf = &buf; |
2480 | buf.buf = (char *)&buf; |
2330 | buf.len = 1; |
2481 | buf.len = 1; |
2331 | 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); |
2332 | #else |
2483 | #else |
2333 | write (evpipe [1], &(evpipe [1]), 1); |
2484 | write (evpipe [1], &(evpipe [1]), 1); |
2334 | #endif |
2485 | #endif |
… | |
… | |
2406 | } |
2557 | } |
2407 | |
2558 | |
2408 | /*****************************************************************************/ |
2559 | /*****************************************************************************/ |
2409 | |
2560 | |
2410 | void |
2561 | void |
2411 | ev_feed_signal (int signum) EV_THROW |
2562 | ev_feed_signal (int signum) EV_NOEXCEPT |
2412 | { |
2563 | { |
2413 | #if EV_MULTIPLICITY |
2564 | #if EV_MULTIPLICITY |
2414 | EV_P; |
2565 | EV_P; |
2415 | ECB_MEMORY_FENCE_ACQUIRE; |
2566 | ECB_MEMORY_FENCE_ACQUIRE; |
2416 | EV_A = signals [signum - 1].loop; |
2567 | EV_A = signals [signum - 1].loop; |
… | |
… | |
2431 | #endif |
2582 | #endif |
2432 | |
2583 | |
2433 | ev_feed_signal (signum); |
2584 | ev_feed_signal (signum); |
2434 | } |
2585 | } |
2435 | |
2586 | |
2436 | void noinline |
2587 | noinline |
|
|
2588 | void |
2437 | ev_feed_signal_event (EV_P_ int signum) EV_THROW |
2589 | ev_feed_signal_event (EV_P_ int signum) EV_NOEXCEPT |
2438 | { |
2590 | { |
2439 | WL w; |
2591 | WL w; |
2440 | |
2592 | |
2441 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2593 | if (expect_false (signum <= 0 || signum >= EV_NSIG)) |
2442 | return; |
2594 | return; |
… | |
… | |
2558 | #endif |
2710 | #endif |
2559 | #if EV_USE_SELECT |
2711 | #if EV_USE_SELECT |
2560 | # include "ev_select.c" |
2712 | # include "ev_select.c" |
2561 | #endif |
2713 | #endif |
2562 | |
2714 | |
2563 | int ecb_cold |
2715 | ecb_cold int |
2564 | ev_version_major (void) EV_THROW |
2716 | ev_version_major (void) EV_NOEXCEPT |
2565 | { |
2717 | { |
2566 | return EV_VERSION_MAJOR; |
2718 | return EV_VERSION_MAJOR; |
2567 | } |
2719 | } |
2568 | |
2720 | |
2569 | int ecb_cold |
2721 | ecb_cold int |
2570 | ev_version_minor (void) EV_THROW |
2722 | ev_version_minor (void) EV_NOEXCEPT |
2571 | { |
2723 | { |
2572 | return EV_VERSION_MINOR; |
2724 | return EV_VERSION_MINOR; |
2573 | } |
2725 | } |
2574 | |
2726 | |
2575 | /* 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 */ |
2576 | int inline_size ecb_cold |
2728 | inline_size ecb_cold int |
2577 | enable_secure (void) |
2729 | enable_secure (void) |
2578 | { |
2730 | { |
2579 | #ifdef _WIN32 |
2731 | #ifdef _WIN32 |
2580 | return 0; |
2732 | return 0; |
2581 | #else |
2733 | #else |
2582 | return getuid () != geteuid () |
2734 | return getuid () != geteuid () |
2583 | || getgid () != getegid (); |
2735 | || getgid () != getegid (); |
2584 | #endif |
2736 | #endif |
2585 | } |
2737 | } |
2586 | |
2738 | |
2587 | unsigned int ecb_cold |
2739 | ecb_cold |
|
|
2740 | unsigned int |
2588 | ev_supported_backends (void) EV_THROW |
2741 | ev_supported_backends (void) EV_NOEXCEPT |
2589 | { |
2742 | { |
2590 | unsigned int flags = 0; |
2743 | unsigned int flags = 0; |
2591 | |
2744 | |
2592 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2745 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
2593 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
2746 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
… | |
… | |
2596 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2749 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
2597 | |
2750 | |
2598 | return flags; |
2751 | return flags; |
2599 | } |
2752 | } |
2600 | |
2753 | |
2601 | unsigned int ecb_cold |
2754 | ecb_cold |
|
|
2755 | unsigned int |
2602 | ev_recommended_backends (void) EV_THROW |
2756 | ev_recommended_backends (void) EV_NOEXCEPT |
2603 | { |
2757 | { |
2604 | unsigned int flags = ev_supported_backends (); |
2758 | unsigned int flags = ev_supported_backends (); |
2605 | |
2759 | |
2606 | #ifndef __NetBSD__ |
2760 | #ifndef __NetBSD__ |
2607 | /* kqueue is borked on everything but netbsd apparently */ |
2761 | /* kqueue is borked on everything but netbsd apparently */ |
… | |
… | |
2618 | #endif |
2772 | #endif |
2619 | |
2773 | |
2620 | return flags; |
2774 | return flags; |
2621 | } |
2775 | } |
2622 | |
2776 | |
2623 | unsigned int ecb_cold |
2777 | ecb_cold |
|
|
2778 | unsigned int |
2624 | ev_embeddable_backends (void) EV_THROW |
2779 | ev_embeddable_backends (void) EV_NOEXCEPT |
2625 | { |
2780 | { |
2626 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2781 | int flags = EVBACKEND_EPOLL | EVBACKEND_KQUEUE | EVBACKEND_PORT; |
2627 | |
2782 | |
2628 | /* 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 */ |
2629 | 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 */ |
… | |
… | |
2631 | |
2786 | |
2632 | return flags; |
2787 | return flags; |
2633 | } |
2788 | } |
2634 | |
2789 | |
2635 | unsigned int |
2790 | unsigned int |
2636 | ev_backend (EV_P) EV_THROW |
2791 | ev_backend (EV_P) EV_NOEXCEPT |
2637 | { |
2792 | { |
2638 | return backend; |
2793 | return backend; |
2639 | } |
2794 | } |
2640 | |
2795 | |
2641 | #if EV_FEATURE_API |
2796 | #if EV_FEATURE_API |
2642 | unsigned int |
2797 | unsigned int |
2643 | ev_iteration (EV_P) EV_THROW |
2798 | ev_iteration (EV_P) EV_NOEXCEPT |
2644 | { |
2799 | { |
2645 | return loop_count; |
2800 | return loop_count; |
2646 | } |
2801 | } |
2647 | |
2802 | |
2648 | unsigned int |
2803 | unsigned int |
2649 | ev_depth (EV_P) EV_THROW |
2804 | ev_depth (EV_P) EV_NOEXCEPT |
2650 | { |
2805 | { |
2651 | return loop_depth; |
2806 | return loop_depth; |
2652 | } |
2807 | } |
2653 | |
2808 | |
2654 | void |
2809 | void |
2655 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2810 | ev_set_io_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2656 | { |
2811 | { |
2657 | io_blocktime = interval; |
2812 | io_blocktime = interval; |
2658 | } |
2813 | } |
2659 | |
2814 | |
2660 | void |
2815 | void |
2661 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_THROW |
2816 | ev_set_timeout_collect_interval (EV_P_ ev_tstamp interval) EV_NOEXCEPT |
2662 | { |
2817 | { |
2663 | timeout_blocktime = interval; |
2818 | timeout_blocktime = interval; |
2664 | } |
2819 | } |
2665 | |
2820 | |
2666 | void |
2821 | void |
2667 | ev_set_userdata (EV_P_ void *data) EV_THROW |
2822 | ev_set_userdata (EV_P_ void *data) EV_NOEXCEPT |
2668 | { |
2823 | { |
2669 | userdata = data; |
2824 | userdata = data; |
2670 | } |
2825 | } |
2671 | |
2826 | |
2672 | void * |
2827 | void * |
2673 | ev_userdata (EV_P) EV_THROW |
2828 | ev_userdata (EV_P) EV_NOEXCEPT |
2674 | { |
2829 | { |
2675 | return userdata; |
2830 | return userdata; |
2676 | } |
2831 | } |
2677 | |
2832 | |
2678 | void |
2833 | void |
2679 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_THROW |
2834 | ev_set_invoke_pending_cb (EV_P_ ev_loop_callback invoke_pending_cb) EV_NOEXCEPT |
2680 | { |
2835 | { |
2681 | invoke_cb = invoke_pending_cb; |
2836 | invoke_cb = invoke_pending_cb; |
2682 | } |
2837 | } |
2683 | |
2838 | |
2684 | void |
2839 | void |
2685 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_THROW, void (*acquire)(EV_P) EV_THROW) EV_THROW |
2840 | ev_set_loop_release_cb (EV_P_ void (*release)(EV_P) EV_NOEXCEPT, void (*acquire)(EV_P) EV_NOEXCEPT) EV_NOEXCEPT |
2686 | { |
2841 | { |
2687 | release_cb = release; |
2842 | release_cb = release; |
2688 | acquire_cb = acquire; |
2843 | acquire_cb = acquire; |
2689 | } |
2844 | } |
2690 | #endif |
2845 | #endif |
2691 | |
2846 | |
2692 | /* initialise a loop structure, must be zero-initialised */ |
2847 | /* initialise a loop structure, must be zero-initialised */ |
2693 | static void noinline ecb_cold |
2848 | noinline ecb_cold |
|
|
2849 | static void |
2694 | loop_init (EV_P_ unsigned int flags) EV_THROW |
2850 | loop_init (EV_P_ unsigned int flags) EV_NOEXCEPT |
2695 | { |
2851 | { |
2696 | if (!backend) |
2852 | if (!backend) |
2697 | { |
2853 | { |
2698 | origflags = flags; |
2854 | origflags = flags; |
2699 | |
2855 | |
… | |
… | |
2785 | #endif |
2941 | #endif |
2786 | } |
2942 | } |
2787 | } |
2943 | } |
2788 | |
2944 | |
2789 | /* free up a loop structure */ |
2945 | /* free up a loop structure */ |
2790 | void ecb_cold |
2946 | ecb_cold |
|
|
2947 | void |
2791 | ev_loop_destroy (EV_P) |
2948 | ev_loop_destroy (EV_P) |
2792 | { |
2949 | { |
2793 | int i; |
2950 | int i; |
2794 | |
2951 | |
2795 | #if EV_MULTIPLICITY |
2952 | #if EV_MULTIPLICITY |
… | |
… | |
2937 | postfork = 0; |
3094 | postfork = 0; |
2938 | } |
3095 | } |
2939 | |
3096 | |
2940 | #if EV_MULTIPLICITY |
3097 | #if EV_MULTIPLICITY |
2941 | |
3098 | |
|
|
3099 | ecb_cold |
2942 | struct ev_loop * ecb_cold |
3100 | struct ev_loop * |
2943 | ev_loop_new (unsigned int flags) EV_THROW |
3101 | ev_loop_new (unsigned int flags) EV_NOEXCEPT |
2944 | { |
3102 | { |
2945 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
3103 | EV_P = (struct ev_loop *)ev_malloc (sizeof (struct ev_loop)); |
2946 | |
3104 | |
2947 | memset (EV_A, 0, sizeof (struct ev_loop)); |
3105 | memset (EV_A, 0, sizeof (struct ev_loop)); |
2948 | loop_init (EV_A_ flags); |
3106 | loop_init (EV_A_ flags); |
… | |
… | |
2955 | } |
3113 | } |
2956 | |
3114 | |
2957 | #endif /* multiplicity */ |
3115 | #endif /* multiplicity */ |
2958 | |
3116 | |
2959 | #if EV_VERIFY |
3117 | #if EV_VERIFY |
2960 | static void noinline ecb_cold |
3118 | noinline ecb_cold |
|
|
3119 | static void |
2961 | verify_watcher (EV_P_ W w) |
3120 | verify_watcher (EV_P_ W w) |
2962 | { |
3121 | { |
2963 | 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)); |
2964 | |
3123 | |
2965 | if (w->pending) |
3124 | if (w->pending) |
2966 | 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)); |
2967 | } |
3126 | } |
2968 | |
3127 | |
2969 | static void noinline ecb_cold |
3128 | noinline ecb_cold |
|
|
3129 | static void |
2970 | verify_heap (EV_P_ ANHE *heap, int N) |
3130 | verify_heap (EV_P_ ANHE *heap, int N) |
2971 | { |
3131 | { |
2972 | int i; |
3132 | int i; |
2973 | |
3133 | |
2974 | for (i = HEAP0; i < N + HEAP0; ++i) |
3134 | for (i = HEAP0; i < N + HEAP0; ++i) |
… | |
… | |
2979 | |
3139 | |
2980 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
3140 | verify_watcher (EV_A_ (W)ANHE_w (heap [i])); |
2981 | } |
3141 | } |
2982 | } |
3142 | } |
2983 | |
3143 | |
2984 | static void noinline ecb_cold |
3144 | noinline ecb_cold |
|
|
3145 | static void |
2985 | array_verify (EV_P_ W *ws, int cnt) |
3146 | array_verify (EV_P_ W *ws, int cnt) |
2986 | { |
3147 | { |
2987 | while (cnt--) |
3148 | while (cnt--) |
2988 | { |
3149 | { |
2989 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
3150 | assert (("libev: active index mismatch", ev_active (ws [cnt]) == cnt + 1)); |
… | |
… | |
2992 | } |
3153 | } |
2993 | #endif |
3154 | #endif |
2994 | |
3155 | |
2995 | #if EV_FEATURE_API |
3156 | #if EV_FEATURE_API |
2996 | void ecb_cold |
3157 | void ecb_cold |
2997 | ev_verify (EV_P) EV_THROW |
3158 | ev_verify (EV_P) EV_NOEXCEPT |
2998 | { |
3159 | { |
2999 | #if EV_VERIFY |
3160 | #if EV_VERIFY |
3000 | int i; |
3161 | int i; |
3001 | WL w, w2; |
3162 | WL w, w2; |
3002 | |
3163 | |
… | |
… | |
3078 | #endif |
3239 | #endif |
3079 | } |
3240 | } |
3080 | #endif |
3241 | #endif |
3081 | |
3242 | |
3082 | #if EV_MULTIPLICITY |
3243 | #if EV_MULTIPLICITY |
|
|
3244 | ecb_cold |
3083 | struct ev_loop * ecb_cold |
3245 | struct ev_loop * |
3084 | #else |
3246 | #else |
3085 | int |
3247 | int |
3086 | #endif |
3248 | #endif |
3087 | ev_default_loop (unsigned int flags) EV_THROW |
3249 | ev_default_loop (unsigned int flags) EV_NOEXCEPT |
3088 | { |
3250 | { |
3089 | if (!ev_default_loop_ptr) |
3251 | if (!ev_default_loop_ptr) |
3090 | { |
3252 | { |
3091 | #if EV_MULTIPLICITY |
3253 | #if EV_MULTIPLICITY |
3092 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
3254 | EV_P = ev_default_loop_ptr = &default_loop_struct; |
… | |
… | |
3111 | |
3273 | |
3112 | return ev_default_loop_ptr; |
3274 | return ev_default_loop_ptr; |
3113 | } |
3275 | } |
3114 | |
3276 | |
3115 | void |
3277 | void |
3116 | ev_loop_fork (EV_P) EV_THROW |
3278 | ev_loop_fork (EV_P) EV_NOEXCEPT |
3117 | { |
3279 | { |
3118 | postfork = 1; |
3280 | postfork = 1; |
3119 | } |
3281 | } |
3120 | |
3282 | |
3121 | /*****************************************************************************/ |
3283 | /*****************************************************************************/ |
… | |
… | |
3125 | { |
3287 | { |
3126 | EV_CB_INVOKE ((W)w, revents); |
3288 | EV_CB_INVOKE ((W)w, revents); |
3127 | } |
3289 | } |
3128 | |
3290 | |
3129 | unsigned int |
3291 | unsigned int |
3130 | ev_pending_count (EV_P) EV_THROW |
3292 | ev_pending_count (EV_P) EV_NOEXCEPT |
3131 | { |
3293 | { |
3132 | int pri; |
3294 | int pri; |
3133 | unsigned int count = 0; |
3295 | unsigned int count = 0; |
3134 | |
3296 | |
3135 | for (pri = NUMPRI; pri--; ) |
3297 | for (pri = NUMPRI; pri--; ) |
3136 | count += pendingcnt [pri]; |
3298 | count += pendingcnt [pri]; |
3137 | |
3299 | |
3138 | return count; |
3300 | return count; |
3139 | } |
3301 | } |
3140 | |
3302 | |
3141 | void noinline |
3303 | noinline |
|
|
3304 | void |
3142 | ev_invoke_pending (EV_P) |
3305 | ev_invoke_pending (EV_P) |
3143 | { |
3306 | { |
3144 | pendingpri = NUMPRI; |
3307 | pendingpri = NUMPRI; |
3145 | |
3308 | |
3146 | while (pendingpri) /* pendingpri possibly gets modified in the inner loop */ |
3309 | do |
3147 | { |
3310 | { |
3148 | --pendingpri; |
3311 | --pendingpri; |
3149 | |
3312 | |
|
|
3313 | /* pendingpri possibly gets modified in the inner loop */ |
3150 | while (pendingcnt [pendingpri]) |
3314 | while (pendingcnt [pendingpri]) |
3151 | { |
3315 | { |
3152 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3316 | ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri]; |
3153 | |
3317 | |
3154 | p->w->pending = 0; |
3318 | p->w->pending = 0; |
3155 | EV_CB_INVOKE (p->w, p->events); |
3319 | EV_CB_INVOKE (p->w, p->events); |
3156 | EV_FREQUENT_CHECK; |
3320 | EV_FREQUENT_CHECK; |
3157 | } |
3321 | } |
3158 | } |
3322 | } |
|
|
3323 | while (pendingpri); |
3159 | } |
3324 | } |
3160 | |
3325 | |
3161 | #if EV_IDLE_ENABLE |
3326 | #if EV_IDLE_ENABLE |
3162 | /* make idle watchers pending. this handles the "call-idle */ |
3327 | /* make idle watchers pending. this handles the "call-idle */ |
3163 | /* only when higher priorities are idle" logic */ |
3328 | /* only when higher priorities are idle" logic */ |
… | |
… | |
3221 | } |
3386 | } |
3222 | } |
3387 | } |
3223 | |
3388 | |
3224 | #if EV_PERIODIC_ENABLE |
3389 | #if EV_PERIODIC_ENABLE |
3225 | |
3390 | |
3226 | static void noinline |
3391 | noinline |
|
|
3392 | static void |
3227 | periodic_recalc (EV_P_ ev_periodic *w) |
3393 | periodic_recalc (EV_P_ ev_periodic *w) |
3228 | { |
3394 | { |
3229 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3395 | ev_tstamp interval = w->interval > MIN_INTERVAL ? w->interval : MIN_INTERVAL; |
3230 | 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); |
3231 | |
3397 | |
… | |
… | |
3289 | } |
3455 | } |
3290 | } |
3456 | } |
3291 | |
3457 | |
3292 | /* simply recalculate all periodics */ |
3458 | /* simply recalculate all periodics */ |
3293 | /* 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? */ |
3294 | static void noinline ecb_cold |
3460 | noinline ecb_cold |
|
|
3461 | static void |
3295 | periodics_reschedule (EV_P) |
3462 | periodics_reschedule (EV_P) |
3296 | { |
3463 | { |
3297 | int i; |
3464 | int i; |
3298 | |
3465 | |
3299 | /* adjust periodics after time jump */ |
3466 | /* adjust periodics after time jump */ |
… | |
… | |
3312 | reheap (periodics, periodiccnt); |
3479 | reheap (periodics, periodiccnt); |
3313 | } |
3480 | } |
3314 | #endif |
3481 | #endif |
3315 | |
3482 | |
3316 | /* adjust all timers by a given offset */ |
3483 | /* adjust all timers by a given offset */ |
3317 | static void noinline ecb_cold |
3484 | noinline ecb_cold |
|
|
3485 | static void |
3318 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3486 | timers_reschedule (EV_P_ ev_tstamp adjust) |
3319 | { |
3487 | { |
3320 | int i; |
3488 | int i; |
3321 | |
3489 | |
3322 | for (i = 0; i < timercnt; ++i) |
3490 | for (i = 0; i < timercnt; ++i) |
… | |
… | |
3569 | |
3737 | |
3570 | return activecnt; |
3738 | return activecnt; |
3571 | } |
3739 | } |
3572 | |
3740 | |
3573 | void |
3741 | void |
3574 | ev_break (EV_P_ int how) EV_THROW |
3742 | ev_break (EV_P_ int how) EV_NOEXCEPT |
3575 | { |
3743 | { |
3576 | loop_done = how; |
3744 | loop_done = how; |
3577 | } |
3745 | } |
3578 | |
3746 | |
3579 | void |
3747 | void |
3580 | ev_ref (EV_P) EV_THROW |
3748 | ev_ref (EV_P) EV_NOEXCEPT |
3581 | { |
3749 | { |
3582 | ++activecnt; |
3750 | ++activecnt; |
3583 | } |
3751 | } |
3584 | |
3752 | |
3585 | void |
3753 | void |
3586 | ev_unref (EV_P) EV_THROW |
3754 | ev_unref (EV_P) EV_NOEXCEPT |
3587 | { |
3755 | { |
3588 | --activecnt; |
3756 | --activecnt; |
3589 | } |
3757 | } |
3590 | |
3758 | |
3591 | void |
3759 | void |
3592 | ev_now_update (EV_P) EV_THROW |
3760 | ev_now_update (EV_P) EV_NOEXCEPT |
3593 | { |
3761 | { |
3594 | time_update (EV_A_ 1e100); |
3762 | time_update (EV_A_ 1e100); |
3595 | } |
3763 | } |
3596 | |
3764 | |
3597 | void |
3765 | void |
3598 | ev_suspend (EV_P) EV_THROW |
3766 | ev_suspend (EV_P) EV_NOEXCEPT |
3599 | { |
3767 | { |
3600 | ev_now_update (EV_A); |
3768 | ev_now_update (EV_A); |
3601 | } |
3769 | } |
3602 | |
3770 | |
3603 | void |
3771 | void |
3604 | ev_resume (EV_P) EV_THROW |
3772 | ev_resume (EV_P) EV_NOEXCEPT |
3605 | { |
3773 | { |
3606 | ev_tstamp mn_prev = mn_now; |
3774 | ev_tstamp mn_prev = mn_now; |
3607 | |
3775 | |
3608 | ev_now_update (EV_A); |
3776 | ev_now_update (EV_A); |
3609 | timers_reschedule (EV_A_ mn_now - mn_prev); |
3777 | timers_reschedule (EV_A_ mn_now - mn_prev); |
… | |
… | |
3648 | w->pending = 0; |
3816 | w->pending = 0; |
3649 | } |
3817 | } |
3650 | } |
3818 | } |
3651 | |
3819 | |
3652 | int |
3820 | int |
3653 | ev_clear_pending (EV_P_ void *w) EV_THROW |
3821 | ev_clear_pending (EV_P_ void *w) EV_NOEXCEPT |
3654 | { |
3822 | { |
3655 | W w_ = (W)w; |
3823 | W w_ = (W)w; |
3656 | int pending = w_->pending; |
3824 | int pending = w_->pending; |
3657 | |
3825 | |
3658 | if (expect_true (pending)) |
3826 | if (expect_true (pending)) |
… | |
… | |
3690 | w->active = 0; |
3858 | w->active = 0; |
3691 | } |
3859 | } |
3692 | |
3860 | |
3693 | /*****************************************************************************/ |
3861 | /*****************************************************************************/ |
3694 | |
3862 | |
3695 | void noinline |
3863 | noinline |
|
|
3864 | void |
3696 | ev_io_start (EV_P_ ev_io *w) EV_THROW |
3865 | ev_io_start (EV_P_ ev_io *w) EV_NOEXCEPT |
3697 | { |
3866 | { |
3698 | int fd = w->fd; |
3867 | int fd = w->fd; |
3699 | |
3868 | |
3700 | if (expect_false (ev_is_active (w))) |
3869 | if (expect_false (ev_is_active (w))) |
3701 | return; |
3870 | return; |
… | |
… | |
3716 | w->events &= ~EV__IOFDSET; |
3885 | w->events &= ~EV__IOFDSET; |
3717 | |
3886 | |
3718 | EV_FREQUENT_CHECK; |
3887 | EV_FREQUENT_CHECK; |
3719 | } |
3888 | } |
3720 | |
3889 | |
3721 | void noinline |
3890 | noinline |
|
|
3891 | void |
3722 | ev_io_stop (EV_P_ ev_io *w) EV_THROW |
3892 | ev_io_stop (EV_P_ ev_io *w) EV_NOEXCEPT |
3723 | { |
3893 | { |
3724 | clear_pending (EV_A_ (W)w); |
3894 | clear_pending (EV_A_ (W)w); |
3725 | if (expect_false (!ev_is_active (w))) |
3895 | if (expect_false (!ev_is_active (w))) |
3726 | return; |
3896 | return; |
3727 | |
3897 | |
… | |
… | |
3735 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3905 | fd_change (EV_A_ w->fd, EV_ANFD_REIFY); |
3736 | |
3906 | |
3737 | EV_FREQUENT_CHECK; |
3907 | EV_FREQUENT_CHECK; |
3738 | } |
3908 | } |
3739 | |
3909 | |
3740 | void noinline |
3910 | noinline |
|
|
3911 | void |
3741 | ev_timer_start (EV_P_ ev_timer *w) EV_THROW |
3912 | ev_timer_start (EV_P_ ev_timer *w) EV_NOEXCEPT |
3742 | { |
3913 | { |
3743 | if (expect_false (ev_is_active (w))) |
3914 | if (expect_false (ev_is_active (w))) |
3744 | return; |
3915 | return; |
3745 | |
3916 | |
3746 | ev_at (w) += mn_now; |
3917 | ev_at (w) += mn_now; |
… | |
… | |
3759 | EV_FREQUENT_CHECK; |
3930 | EV_FREQUENT_CHECK; |
3760 | |
3931 | |
3761 | /*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));*/ |
3762 | } |
3933 | } |
3763 | |
3934 | |
3764 | void noinline |
3935 | noinline |
|
|
3936 | void |
3765 | ev_timer_stop (EV_P_ ev_timer *w) EV_THROW |
3937 | ev_timer_stop (EV_P_ ev_timer *w) EV_NOEXCEPT |
3766 | { |
3938 | { |
3767 | clear_pending (EV_A_ (W)w); |
3939 | clear_pending (EV_A_ (W)w); |
3768 | if (expect_false (!ev_is_active (w))) |
3940 | if (expect_false (!ev_is_active (w))) |
3769 | return; |
3941 | return; |
3770 | |
3942 | |
… | |
… | |
3789 | ev_stop (EV_A_ (W)w); |
3961 | ev_stop (EV_A_ (W)w); |
3790 | |
3962 | |
3791 | EV_FREQUENT_CHECK; |
3963 | EV_FREQUENT_CHECK; |
3792 | } |
3964 | } |
3793 | |
3965 | |
3794 | void noinline |
3966 | noinline |
|
|
3967 | void |
3795 | ev_timer_again (EV_P_ ev_timer *w) EV_THROW |
3968 | ev_timer_again (EV_P_ ev_timer *w) EV_NOEXCEPT |
3796 | { |
3969 | { |
3797 | EV_FREQUENT_CHECK; |
3970 | EV_FREQUENT_CHECK; |
3798 | |
3971 | |
3799 | clear_pending (EV_A_ (W)w); |
3972 | clear_pending (EV_A_ (W)w); |
3800 | |
3973 | |
… | |
… | |
3817 | |
3990 | |
3818 | EV_FREQUENT_CHECK; |
3991 | EV_FREQUENT_CHECK; |
3819 | } |
3992 | } |
3820 | |
3993 | |
3821 | ev_tstamp |
3994 | ev_tstamp |
3822 | ev_timer_remaining (EV_P_ ev_timer *w) EV_THROW |
3995 | ev_timer_remaining (EV_P_ ev_timer *w) EV_NOEXCEPT |
3823 | { |
3996 | { |
3824 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3997 | return ev_at (w) - (ev_is_active (w) ? mn_now : 0.); |
3825 | } |
3998 | } |
3826 | |
3999 | |
3827 | #if EV_PERIODIC_ENABLE |
4000 | #if EV_PERIODIC_ENABLE |
3828 | void noinline |
4001 | noinline |
|
|
4002 | void |
3829 | ev_periodic_start (EV_P_ ev_periodic *w) EV_THROW |
4003 | ev_periodic_start (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3830 | { |
4004 | { |
3831 | if (expect_false (ev_is_active (w))) |
4005 | if (expect_false (ev_is_active (w))) |
3832 | return; |
4006 | return; |
3833 | |
4007 | |
3834 | if (w->reschedule_cb) |
4008 | if (w->reschedule_cb) |
… | |
… | |
3853 | EV_FREQUENT_CHECK; |
4027 | EV_FREQUENT_CHECK; |
3854 | |
4028 | |
3855 | /*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));*/ |
3856 | } |
4030 | } |
3857 | |
4031 | |
3858 | void noinline |
4032 | noinline |
|
|
4033 | void |
3859 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_THROW |
4034 | ev_periodic_stop (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3860 | { |
4035 | { |
3861 | clear_pending (EV_A_ (W)w); |
4036 | clear_pending (EV_A_ (W)w); |
3862 | if (expect_false (!ev_is_active (w))) |
4037 | if (expect_false (!ev_is_active (w))) |
3863 | return; |
4038 | return; |
3864 | |
4039 | |
… | |
… | |
3881 | ev_stop (EV_A_ (W)w); |
4056 | ev_stop (EV_A_ (W)w); |
3882 | |
4057 | |
3883 | EV_FREQUENT_CHECK; |
4058 | EV_FREQUENT_CHECK; |
3884 | } |
4059 | } |
3885 | |
4060 | |
3886 | void noinline |
4061 | noinline |
|
|
4062 | void |
3887 | ev_periodic_again (EV_P_ ev_periodic *w) EV_THROW |
4063 | ev_periodic_again (EV_P_ ev_periodic *w) EV_NOEXCEPT |
3888 | { |
4064 | { |
3889 | /* TODO: use adjustheap and recalculation */ |
4065 | /* TODO: use adjustheap and recalculation */ |
3890 | ev_periodic_stop (EV_A_ w); |
4066 | ev_periodic_stop (EV_A_ w); |
3891 | ev_periodic_start (EV_A_ w); |
4067 | ev_periodic_start (EV_A_ w); |
3892 | } |
4068 | } |
… | |
… | |
3896 | # define SA_RESTART 0 |
4072 | # define SA_RESTART 0 |
3897 | #endif |
4073 | #endif |
3898 | |
4074 | |
3899 | #if EV_SIGNAL_ENABLE |
4075 | #if EV_SIGNAL_ENABLE |
3900 | |
4076 | |
3901 | void noinline |
4077 | noinline |
|
|
4078 | void |
3902 | ev_signal_start (EV_P_ ev_signal *w) EV_THROW |
4079 | ev_signal_start (EV_P_ ev_signal *w) EV_NOEXCEPT |
3903 | { |
4080 | { |
3904 | if (expect_false (ev_is_active (w))) |
4081 | if (expect_false (ev_is_active (w))) |
3905 | return; |
4082 | return; |
3906 | |
4083 | |
3907 | 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)); |
… | |
… | |
3978 | } |
4155 | } |
3979 | |
4156 | |
3980 | EV_FREQUENT_CHECK; |
4157 | EV_FREQUENT_CHECK; |
3981 | } |
4158 | } |
3982 | |
4159 | |
3983 | void noinline |
4160 | noinline |
|
|
4161 | void |
3984 | ev_signal_stop (EV_P_ ev_signal *w) EV_THROW |
4162 | ev_signal_stop (EV_P_ ev_signal *w) EV_NOEXCEPT |
3985 | { |
4163 | { |
3986 | clear_pending (EV_A_ (W)w); |
4164 | clear_pending (EV_A_ (W)w); |
3987 | if (expect_false (!ev_is_active (w))) |
4165 | if (expect_false (!ev_is_active (w))) |
3988 | return; |
4166 | return; |
3989 | |
4167 | |
… | |
… | |
4020 | #endif |
4198 | #endif |
4021 | |
4199 | |
4022 | #if EV_CHILD_ENABLE |
4200 | #if EV_CHILD_ENABLE |
4023 | |
4201 | |
4024 | void |
4202 | void |
4025 | ev_child_start (EV_P_ ev_child *w) EV_THROW |
4203 | ev_child_start (EV_P_ ev_child *w) EV_NOEXCEPT |
4026 | { |
4204 | { |
4027 | #if EV_MULTIPLICITY |
4205 | #if EV_MULTIPLICITY |
4028 | 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)); |
4029 | #endif |
4207 | #endif |
4030 | if (expect_false (ev_is_active (w))) |
4208 | if (expect_false (ev_is_active (w))) |
… | |
… | |
4037 | |
4215 | |
4038 | EV_FREQUENT_CHECK; |
4216 | EV_FREQUENT_CHECK; |
4039 | } |
4217 | } |
4040 | |
4218 | |
4041 | void |
4219 | void |
4042 | ev_child_stop (EV_P_ ev_child *w) EV_THROW |
4220 | ev_child_stop (EV_P_ ev_child *w) EV_NOEXCEPT |
4043 | { |
4221 | { |
4044 | clear_pending (EV_A_ (W)w); |
4222 | clear_pending (EV_A_ (W)w); |
4045 | if (expect_false (!ev_is_active (w))) |
4223 | if (expect_false (!ev_is_active (w))) |
4046 | return; |
4224 | return; |
4047 | |
4225 | |
… | |
… | |
4064 | |
4242 | |
4065 | #define DEF_STAT_INTERVAL 5.0074891 |
4243 | #define DEF_STAT_INTERVAL 5.0074891 |
4066 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4244 | #define NFS_STAT_INTERVAL 30.1074891 /* for filesystems potentially failing inotify */ |
4067 | #define MIN_STAT_INTERVAL 0.1074891 |
4245 | #define MIN_STAT_INTERVAL 0.1074891 |
4068 | |
4246 | |
4069 | static void noinline stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4247 | noinline static void stat_timer_cb (EV_P_ ev_timer *w_, int revents); |
4070 | |
4248 | |
4071 | #if EV_USE_INOTIFY |
4249 | #if EV_USE_INOTIFY |
4072 | |
4250 | |
4073 | /* 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 */ |
4074 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4252 | # define EV_INOTIFY_BUFSIZE (sizeof (struct inotify_event) * 2 + NAME_MAX) |
4075 | |
4253 | |
4076 | static void noinline |
4254 | noinline |
|
|
4255 | static void |
4077 | infy_add (EV_P_ ev_stat *w) |
4256 | infy_add (EV_P_ ev_stat *w) |
4078 | { |
4257 | { |
4079 | w->wd = inotify_add_watch (fs_fd, w->path, |
4258 | w->wd = inotify_add_watch (fs_fd, w->path, |
4080 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4259 | IN_ATTRIB | IN_DELETE_SELF | IN_MOVE_SELF | IN_MODIFY |
4081 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
4260 | | IN_CREATE | IN_DELETE | IN_MOVED_FROM | IN_MOVED_TO |
… | |
… | |
4145 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4324 | if (ev_is_active (&w->timer)) ev_ref (EV_A); |
4146 | ev_timer_again (EV_A_ &w->timer); |
4325 | ev_timer_again (EV_A_ &w->timer); |
4147 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4326 | if (ev_is_active (&w->timer)) ev_unref (EV_A); |
4148 | } |
4327 | } |
4149 | |
4328 | |
4150 | static void noinline |
4329 | noinline |
|
|
4330 | static void |
4151 | infy_del (EV_P_ ev_stat *w) |
4331 | infy_del (EV_P_ ev_stat *w) |
4152 | { |
4332 | { |
4153 | int slot; |
4333 | int slot; |
4154 | int wd = w->wd; |
4334 | int wd = w->wd; |
4155 | |
4335 | |
… | |
… | |
4162 | |
4342 | |
4163 | /* remove this watcher, if others are watching it, they will rearm */ |
4343 | /* remove this watcher, if others are watching it, they will rearm */ |
4164 | inotify_rm_watch (fs_fd, wd); |
4344 | inotify_rm_watch (fs_fd, wd); |
4165 | } |
4345 | } |
4166 | |
4346 | |
4167 | static void noinline |
4347 | noinline |
|
|
4348 | static void |
4168 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4349 | infy_wd (EV_P_ int slot, int wd, struct inotify_event *ev) |
4169 | { |
4350 | { |
4170 | if (slot < 0) |
4351 | if (slot < 0) |
4171 | /* overflow, need to check for all hash slots */ |
4352 | /* overflow, need to check for all hash slots */ |
4172 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
4353 | for (slot = 0; slot < (EV_INOTIFY_HASHSIZE); ++slot) |
… | |
… | |
4208 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4389 | infy_wd (EV_A_ ev->wd, ev->wd, ev); |
4209 | ofs += sizeof (struct inotify_event) + ev->len; |
4390 | ofs += sizeof (struct inotify_event) + ev->len; |
4210 | } |
4391 | } |
4211 | } |
4392 | } |
4212 | |
4393 | |
4213 | inline_size void ecb_cold |
4394 | inline_size ecb_cold |
|
|
4395 | void |
4214 | ev_check_2625 (EV_P) |
4396 | ev_check_2625 (EV_P) |
4215 | { |
4397 | { |
4216 | /* kernels < 2.6.25 are borked |
4398 | /* kernels < 2.6.25 are borked |
4217 | * 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 |
4218 | */ |
4400 | */ |
… | |
… | |
4308 | #else |
4490 | #else |
4309 | # define EV_LSTAT(p,b) lstat (p, b) |
4491 | # define EV_LSTAT(p,b) lstat (p, b) |
4310 | #endif |
4492 | #endif |
4311 | |
4493 | |
4312 | void |
4494 | void |
4313 | ev_stat_stat (EV_P_ ev_stat *w) EV_THROW |
4495 | ev_stat_stat (EV_P_ ev_stat *w) EV_NOEXCEPT |
4314 | { |
4496 | { |
4315 | if (lstat (w->path, &w->attr) < 0) |
4497 | if (lstat (w->path, &w->attr) < 0) |
4316 | w->attr.st_nlink = 0; |
4498 | w->attr.st_nlink = 0; |
4317 | else if (!w->attr.st_nlink) |
4499 | else if (!w->attr.st_nlink) |
4318 | w->attr.st_nlink = 1; |
4500 | w->attr.st_nlink = 1; |
4319 | } |
4501 | } |
4320 | |
4502 | |
4321 | static void noinline |
4503 | noinline |
|
|
4504 | static void |
4322 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4505 | stat_timer_cb (EV_P_ ev_timer *w_, int revents) |
4323 | { |
4506 | { |
4324 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4507 | ev_stat *w = (ev_stat *)(((char *)w_) - offsetof (ev_stat, timer)); |
4325 | |
4508 | |
4326 | ev_statdata prev = w->attr; |
4509 | ev_statdata prev = w->attr; |
… | |
… | |
4357 | ev_feed_event (EV_A_ w, EV_STAT); |
4540 | ev_feed_event (EV_A_ w, EV_STAT); |
4358 | } |
4541 | } |
4359 | } |
4542 | } |
4360 | |
4543 | |
4361 | void |
4544 | void |
4362 | ev_stat_start (EV_P_ ev_stat *w) EV_THROW |
4545 | ev_stat_start (EV_P_ ev_stat *w) EV_NOEXCEPT |
4363 | { |
4546 | { |
4364 | if (expect_false (ev_is_active (w))) |
4547 | if (expect_false (ev_is_active (w))) |
4365 | return; |
4548 | return; |
4366 | |
4549 | |
4367 | ev_stat_stat (EV_A_ w); |
4550 | ev_stat_stat (EV_A_ w); |
… | |
… | |
4388 | |
4571 | |
4389 | EV_FREQUENT_CHECK; |
4572 | EV_FREQUENT_CHECK; |
4390 | } |
4573 | } |
4391 | |
4574 | |
4392 | void |
4575 | void |
4393 | ev_stat_stop (EV_P_ ev_stat *w) EV_THROW |
4576 | ev_stat_stop (EV_P_ ev_stat *w) EV_NOEXCEPT |
4394 | { |
4577 | { |
4395 | clear_pending (EV_A_ (W)w); |
4578 | clear_pending (EV_A_ (W)w); |
4396 | if (expect_false (!ev_is_active (w))) |
4579 | if (expect_false (!ev_is_active (w))) |
4397 | return; |
4580 | return; |
4398 | |
4581 | |
… | |
… | |
4414 | } |
4597 | } |
4415 | #endif |
4598 | #endif |
4416 | |
4599 | |
4417 | #if EV_IDLE_ENABLE |
4600 | #if EV_IDLE_ENABLE |
4418 | void |
4601 | void |
4419 | ev_idle_start (EV_P_ ev_idle *w) EV_THROW |
4602 | ev_idle_start (EV_P_ ev_idle *w) EV_NOEXCEPT |
4420 | { |
4603 | { |
4421 | if (expect_false (ev_is_active (w))) |
4604 | if (expect_false (ev_is_active (w))) |
4422 | return; |
4605 | return; |
4423 | |
4606 | |
4424 | pri_adjust (EV_A_ (W)w); |
4607 | pri_adjust (EV_A_ (W)w); |
… | |
… | |
4437 | |
4620 | |
4438 | EV_FREQUENT_CHECK; |
4621 | EV_FREQUENT_CHECK; |
4439 | } |
4622 | } |
4440 | |
4623 | |
4441 | void |
4624 | void |
4442 | ev_idle_stop (EV_P_ ev_idle *w) EV_THROW |
4625 | ev_idle_stop (EV_P_ ev_idle *w) EV_NOEXCEPT |
4443 | { |
4626 | { |
4444 | clear_pending (EV_A_ (W)w); |
4627 | clear_pending (EV_A_ (W)w); |
4445 | if (expect_false (!ev_is_active (w))) |
4628 | if (expect_false (!ev_is_active (w))) |
4446 | return; |
4629 | return; |
4447 | |
4630 | |
… | |
… | |
4461 | } |
4644 | } |
4462 | #endif |
4645 | #endif |
4463 | |
4646 | |
4464 | #if EV_PREPARE_ENABLE |
4647 | #if EV_PREPARE_ENABLE |
4465 | void |
4648 | void |
4466 | ev_prepare_start (EV_P_ ev_prepare *w) EV_THROW |
4649 | ev_prepare_start (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4467 | { |
4650 | { |
4468 | if (expect_false (ev_is_active (w))) |
4651 | if (expect_false (ev_is_active (w))) |
4469 | return; |
4652 | return; |
4470 | |
4653 | |
4471 | EV_FREQUENT_CHECK; |
4654 | EV_FREQUENT_CHECK; |
… | |
… | |
4476 | |
4659 | |
4477 | EV_FREQUENT_CHECK; |
4660 | EV_FREQUENT_CHECK; |
4478 | } |
4661 | } |
4479 | |
4662 | |
4480 | void |
4663 | void |
4481 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_THROW |
4664 | ev_prepare_stop (EV_P_ ev_prepare *w) EV_NOEXCEPT |
4482 | { |
4665 | { |
4483 | clear_pending (EV_A_ (W)w); |
4666 | clear_pending (EV_A_ (W)w); |
4484 | if (expect_false (!ev_is_active (w))) |
4667 | if (expect_false (!ev_is_active (w))) |
4485 | return; |
4668 | return; |
4486 | |
4669 | |
… | |
… | |
4499 | } |
4682 | } |
4500 | #endif |
4683 | #endif |
4501 | |
4684 | |
4502 | #if EV_CHECK_ENABLE |
4685 | #if EV_CHECK_ENABLE |
4503 | void |
4686 | void |
4504 | ev_check_start (EV_P_ ev_check *w) EV_THROW |
4687 | ev_check_start (EV_P_ ev_check *w) EV_NOEXCEPT |
4505 | { |
4688 | { |
4506 | if (expect_false (ev_is_active (w))) |
4689 | if (expect_false (ev_is_active (w))) |
4507 | return; |
4690 | return; |
4508 | |
4691 | |
4509 | EV_FREQUENT_CHECK; |
4692 | EV_FREQUENT_CHECK; |
… | |
… | |
4514 | |
4697 | |
4515 | EV_FREQUENT_CHECK; |
4698 | EV_FREQUENT_CHECK; |
4516 | } |
4699 | } |
4517 | |
4700 | |
4518 | void |
4701 | void |
4519 | ev_check_stop (EV_P_ ev_check *w) EV_THROW |
4702 | ev_check_stop (EV_P_ ev_check *w) EV_NOEXCEPT |
4520 | { |
4703 | { |
4521 | clear_pending (EV_A_ (W)w); |
4704 | clear_pending (EV_A_ (W)w); |
4522 | if (expect_false (!ev_is_active (w))) |
4705 | if (expect_false (!ev_is_active (w))) |
4523 | return; |
4706 | return; |
4524 | |
4707 | |
… | |
… | |
4536 | EV_FREQUENT_CHECK; |
4719 | EV_FREQUENT_CHECK; |
4537 | } |
4720 | } |
4538 | #endif |
4721 | #endif |
4539 | |
4722 | |
4540 | #if EV_EMBED_ENABLE |
4723 | #if EV_EMBED_ENABLE |
4541 | void noinline |
4724 | noinline |
|
|
4725 | void |
4542 | ev_embed_sweep (EV_P_ ev_embed *w) EV_THROW |
4726 | ev_embed_sweep (EV_P_ ev_embed *w) EV_NOEXCEPT |
4543 | { |
4727 | { |
4544 | ev_run (w->other, EVRUN_NOWAIT); |
4728 | ev_run (w->other, EVRUN_NOWAIT); |
4545 | } |
4729 | } |
4546 | |
4730 | |
4547 | static void |
4731 | static void |
… | |
… | |
4595 | ev_idle_stop (EV_A_ idle); |
4779 | ev_idle_stop (EV_A_ idle); |
4596 | } |
4780 | } |
4597 | #endif |
4781 | #endif |
4598 | |
4782 | |
4599 | void |
4783 | void |
4600 | ev_embed_start (EV_P_ ev_embed *w) EV_THROW |
4784 | ev_embed_start (EV_P_ ev_embed *w) EV_NOEXCEPT |
4601 | { |
4785 | { |
4602 | if (expect_false (ev_is_active (w))) |
4786 | if (expect_false (ev_is_active (w))) |
4603 | return; |
4787 | return; |
4604 | |
4788 | |
4605 | { |
4789 | { |
… | |
… | |
4626 | |
4810 | |
4627 | EV_FREQUENT_CHECK; |
4811 | EV_FREQUENT_CHECK; |
4628 | } |
4812 | } |
4629 | |
4813 | |
4630 | void |
4814 | void |
4631 | ev_embed_stop (EV_P_ ev_embed *w) EV_THROW |
4815 | ev_embed_stop (EV_P_ ev_embed *w) EV_NOEXCEPT |
4632 | { |
4816 | { |
4633 | clear_pending (EV_A_ (W)w); |
4817 | clear_pending (EV_A_ (W)w); |
4634 | if (expect_false (!ev_is_active (w))) |
4818 | if (expect_false (!ev_is_active (w))) |
4635 | return; |
4819 | return; |
4636 | |
4820 | |
… | |
… | |
4646 | } |
4830 | } |
4647 | #endif |
4831 | #endif |
4648 | |
4832 | |
4649 | #if EV_FORK_ENABLE |
4833 | #if EV_FORK_ENABLE |
4650 | void |
4834 | void |
4651 | ev_fork_start (EV_P_ ev_fork *w) EV_THROW |
4835 | ev_fork_start (EV_P_ ev_fork *w) EV_NOEXCEPT |
4652 | { |
4836 | { |
4653 | if (expect_false (ev_is_active (w))) |
4837 | if (expect_false (ev_is_active (w))) |
4654 | return; |
4838 | return; |
4655 | |
4839 | |
4656 | EV_FREQUENT_CHECK; |
4840 | EV_FREQUENT_CHECK; |
… | |
… | |
4661 | |
4845 | |
4662 | EV_FREQUENT_CHECK; |
4846 | EV_FREQUENT_CHECK; |
4663 | } |
4847 | } |
4664 | |
4848 | |
4665 | void |
4849 | void |
4666 | ev_fork_stop (EV_P_ ev_fork *w) EV_THROW |
4850 | ev_fork_stop (EV_P_ ev_fork *w) EV_NOEXCEPT |
4667 | { |
4851 | { |
4668 | clear_pending (EV_A_ (W)w); |
4852 | clear_pending (EV_A_ (W)w); |
4669 | if (expect_false (!ev_is_active (w))) |
4853 | if (expect_false (!ev_is_active (w))) |
4670 | return; |
4854 | return; |
4671 | |
4855 | |
… | |
… | |
4684 | } |
4868 | } |
4685 | #endif |
4869 | #endif |
4686 | |
4870 | |
4687 | #if EV_CLEANUP_ENABLE |
4871 | #if EV_CLEANUP_ENABLE |
4688 | void |
4872 | void |
4689 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_THROW |
4873 | ev_cleanup_start (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4690 | { |
4874 | { |
4691 | if (expect_false (ev_is_active (w))) |
4875 | if (expect_false (ev_is_active (w))) |
4692 | return; |
4876 | return; |
4693 | |
4877 | |
4694 | EV_FREQUENT_CHECK; |
4878 | EV_FREQUENT_CHECK; |
… | |
… | |
4701 | ev_unref (EV_A); |
4885 | ev_unref (EV_A); |
4702 | EV_FREQUENT_CHECK; |
4886 | EV_FREQUENT_CHECK; |
4703 | } |
4887 | } |
4704 | |
4888 | |
4705 | void |
4889 | void |
4706 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_THROW |
4890 | ev_cleanup_stop (EV_P_ ev_cleanup *w) EV_NOEXCEPT |
4707 | { |
4891 | { |
4708 | clear_pending (EV_A_ (W)w); |
4892 | clear_pending (EV_A_ (W)w); |
4709 | if (expect_false (!ev_is_active (w))) |
4893 | if (expect_false (!ev_is_active (w))) |
4710 | return; |
4894 | return; |
4711 | |
4895 | |
… | |
… | |
4725 | } |
4909 | } |
4726 | #endif |
4910 | #endif |
4727 | |
4911 | |
4728 | #if EV_ASYNC_ENABLE |
4912 | #if EV_ASYNC_ENABLE |
4729 | void |
4913 | void |
4730 | ev_async_start (EV_P_ ev_async *w) EV_THROW |
4914 | ev_async_start (EV_P_ ev_async *w) EV_NOEXCEPT |
4731 | { |
4915 | { |
4732 | if (expect_false (ev_is_active (w))) |
4916 | if (expect_false (ev_is_active (w))) |
4733 | return; |
4917 | return; |
4734 | |
4918 | |
4735 | w->sent = 0; |
4919 | w->sent = 0; |
… | |
… | |
4744 | |
4928 | |
4745 | EV_FREQUENT_CHECK; |
4929 | EV_FREQUENT_CHECK; |
4746 | } |
4930 | } |
4747 | |
4931 | |
4748 | void |
4932 | void |
4749 | ev_async_stop (EV_P_ ev_async *w) EV_THROW |
4933 | ev_async_stop (EV_P_ ev_async *w) EV_NOEXCEPT |
4750 | { |
4934 | { |
4751 | clear_pending (EV_A_ (W)w); |
4935 | clear_pending (EV_A_ (W)w); |
4752 | if (expect_false (!ev_is_active (w))) |
4936 | if (expect_false (!ev_is_active (w))) |
4753 | return; |
4937 | return; |
4754 | |
4938 | |
… | |
… | |
4765 | |
4949 | |
4766 | EV_FREQUENT_CHECK; |
4950 | EV_FREQUENT_CHECK; |
4767 | } |
4951 | } |
4768 | |
4952 | |
4769 | void |
4953 | void |
4770 | ev_async_send (EV_P_ ev_async *w) EV_THROW |
4954 | ev_async_send (EV_P_ ev_async *w) EV_NOEXCEPT |
4771 | { |
4955 | { |
4772 | w->sent = 1; |
4956 | w->sent = 1; |
4773 | evpipe_write (EV_A_ &async_pending); |
4957 | evpipe_write (EV_A_ &async_pending); |
4774 | } |
4958 | } |
4775 | #endif |
4959 | #endif |
… | |
… | |
4812 | |
4996 | |
4813 | 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)); |
4814 | } |
4998 | } |
4815 | |
4999 | |
4816 | void |
5000 | void |
4817 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_THROW |
5001 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) EV_NOEXCEPT |
4818 | { |
5002 | { |
4819 | 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)); |
4820 | |
5004 | |
4821 | if (expect_false (!once)) |
5005 | if (expect_false (!once)) |
4822 | { |
5006 | { |
… | |
… | |
4843 | } |
5027 | } |
4844 | |
5028 | |
4845 | /*****************************************************************************/ |
5029 | /*****************************************************************************/ |
4846 | |
5030 | |
4847 | #if EV_WALK_ENABLE |
5031 | #if EV_WALK_ENABLE |
4848 | void ecb_cold |
5032 | ecb_cold |
|
|
5033 | void |
4849 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_THROW |
5034 | ev_walk (EV_P_ int types, void (*cb)(EV_P_ int type, void *w)) EV_NOEXCEPT |
4850 | { |
5035 | { |
4851 | int i, j; |
5036 | int i, j; |
4852 | ev_watcher_list *wl, *wn; |
5037 | ev_watcher_list *wl, *wn; |
4853 | |
5038 | |
4854 | if (types & (EV_IO | EV_EMBED)) |
5039 | if (types & (EV_IO | EV_EMBED)) |