1 // The MIT License (MIT) 2 // 3 // Copyright (c) 2015 Sergey Makeev, Vadim Slyusarev 4 // 5 // Permission is hereby granted, free of charge, to any person obtaining a copy 6 // of this software and associated documentation files (the "Software"), to deal 7 // in the Software without restriction, including without limitation the rights 8 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 // copies of the Software, and to permit persons to whom the Software is 10 // furnished to do so, subject to the following conditions: 11 // 12 // The above copyright notice and this permission notice shall be included in 13 // all copies or substantial portions of the Software. 14 // 15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21 // THE SOFTWARE. 22 23 #pragma once 24 25 #include <MTTypes.h> 26 #include <MTDebug.h> 27 28 typedef void (*TThreadEntryPoint)(void* userData); 29 30 #define MT_ARRAY_SIZE( arr ) ( sizeof( arr ) / sizeof( (arr)[0] ) ) 31 32 namespace MT 33 { 34 namespace EventReset 35 { 36 enum Type 37 { 38 AUTOMATIC = 0, 39 MANUAL = 1, 40 }; 41 } 42 } 43 44 45 inline bool IsPointerAligned( const volatile void* p, const uint32 align ) 46 { 47 return !((uintptr_t)p & (align - 1)); 48 } 49 50 #ifdef _WIN32 51 #include <Platform/Windows/MTCommon.h> 52 #else 53 #include <Platform/Posix/MTCommon.h> 54 #endif 55 56 #include <Platform/Common/MTAtomic.h> 57 58 namespace MT 59 { 60 // 61 // 62 // 63 class ScopedGuard 64 { 65 MT::Mutex & mutex; 66 67 ScopedGuard( const ScopedGuard & ) : mutex(*((MT::Mutex*)nullptr)) {} 68 void operator=( const ScopedGuard &) {} 69 70 public: 71 72 ScopedGuard(MT::Mutex & _mutex) : mutex(_mutex) 73 { 74 mutex.Lock(); 75 } 76 77 ~ScopedGuard() 78 { 79 mutex.Unlock(); 80 } 81 }; 82 83 // 84 // Simple Linear congruential generator 85 // 86 class LcgRandom 87 { 88 uint32 state; 89 90 public: 91 92 LcgRandom() 93 : state(2578432553) 94 { 95 } 96 97 void SetSeed(uint32 seed) 98 { 99 state = seed; 100 } 101 102 uint16 Get() 103 { 104 state = 214013 * state + 2531011; 105 uint16 rnd = (state >> 16); 106 return rnd; 107 } 108 109 110 }; 111 112 } 113 114 115 #ifdef __GNUC__ 116 117 #define mt_thread_local __thread 118 119 #elif __STDC_VERSION__ >= 201112L 120 121 #define mt_thread_local _Thread_local 122 123 #elif defined(_MSC_VER) 124 125 #define mt_thread_local __declspec(thread) 126 127 #else 128 129 #error Can not define mt_thread_local. Unknown platform. 130 131 #endif 132 133 134 135 136 #if (defined(__SSE__) || defined(_M_IX86) || defined(_M_X64)) 137 138 #define MT_SSE_INTRINSICS (1) 139 140 #endif 141