X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fplatform.h;fp=src%2Fplatform.h;h=26c3abfbb820d8bf999e7999b8214a7523c1689c;hb=b356e0fae3b78e39af2ae8aca6ca6197e8669819;hp=0000000000000000000000000000000000000000;hpb=06f33ff1ee0c0e8345cb6d5b84ce5db9f043203d;p=stockfish diff --git a/src/platform.h b/src/platform.h new file mode 100644 index 00000000..26c3abfb --- /dev/null +++ b/src/platform.h @@ -0,0 +1,109 @@ +/* + Stockfish, a UCI chess playing engine derived from Glaurung 2.1 + Copyright (C) 2004-2008 Tord Romstad (Glaurung author) + Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad + + Stockfish is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Stockfish is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#if !defined(PLATFORM_H_INCLUDED) +#define PLATFORM_H_INCLUDED + +#if defined(_MSC_VER) + +// Disable some silly and noisy warning from MSVC compiler +#pragma warning(disable: 4127) // Conditional expression is constant +#pragma warning(disable: 4146) // Unary minus operator applied to unsigned type +#pragma warning(disable: 4800) // Forcing value to bool 'true' or 'false' +#pragma warning(disable: 4996) // Function _ftime() may be unsafe + +// MSVC does not support +typedef signed __int8 int8_t; +typedef unsigned __int8 uint8_t; +typedef signed __int16 int16_t; +typedef unsigned __int16 uint16_t; +typedef signed __int32 int32_t; +typedef unsigned __int32 uint32_t; +typedef signed __int64 int64_t; +typedef unsigned __int64 uint64_t; + +#else +# include +#endif + +#if !defined(_WIN32) && !defined(_WIN64) // Linux - Unix + +# include +typedef timeval sys_time_t; + +inline void system_time(sys_time_t* t) { gettimeofday(t, NULL); } +inline uint64_t time_to_msec(const sys_time_t& t) { return t.tv_sec * 1000LL + t.tv_usec / 1000; } + +# include +typedef pthread_mutex_t Lock; +typedef pthread_cond_t WaitCondition; +typedef pthread_t ThreadHandle; +typedef void*(*start_fn)(void*); + +# define lock_init(x) pthread_mutex_init(&(x), NULL) +# define lock_grab(x) pthread_mutex_lock(&(x)) +# define lock_release(x) pthread_mutex_unlock(&(x)) +# define lock_destroy(x) pthread_mutex_destroy(&(x)) +# define cond_destroy(x) pthread_cond_destroy(&(x)) +# define cond_init(x) pthread_cond_init(&(x), NULL) +# define cond_signal(x) pthread_cond_signal(&(x)) +# define cond_wait(x,y) pthread_cond_wait(&(x),&(y)) +# define cond_timedwait(x,y,z) pthread_cond_timedwait(&(x),&(y),z) +# define thread_create(x,f,id) !pthread_create(&(x),NULL,(start_fn)f,&(id)) +# define thread_join(x) pthread_join(x, NULL) + +#else // Windows and MinGW + +# include +typedef _timeb sys_time_t; + +inline void system_time(sys_time_t* t) { _ftime(t); } +inline uint64_t time_to_msec(const sys_time_t& t) { return t.time * 1000LL + t.millitm; } + +#if !defined(NOMINMAX) +# define NOMINMAX // disable macros min() and max() +#endif + +#define WIN32_LEAN_AND_MEAN +#include +#undef WIN32_LEAN_AND_MEAN +#undef NOMINMAX + +// We use critical sections on Windows to support Windows XP and older versions, +// unfortunatly cond_wait() is racy between lock_release() and WaitForSingleObject() +// but apart from this they have the same speed performance of SRW locks. +typedef CRITICAL_SECTION Lock; +typedef HANDLE WaitCondition; +typedef HANDLE ThreadHandle; + +# define lock_init(x) InitializeCriticalSection(&(x)) +# define lock_grab(x) EnterCriticalSection(&(x)) +# define lock_release(x) LeaveCriticalSection(&(x)) +# define lock_destroy(x) DeleteCriticalSection(&(x)) +# define cond_init(x) { x = CreateEvent(0, FALSE, FALSE, 0); } +# define cond_destroy(x) CloseHandle(x) +# define cond_signal(x) SetEvent(x) +# define cond_wait(x,y) { lock_release(y); WaitForSingleObject(x, INFINITE); lock_grab(y); } +# define cond_timedwait(x,y,z) { lock_release(y); WaitForSingleObject(x,z); lock_grab(y); } +# define thread_create(x,f,id) (x = CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)f,&(id),0,NULL), x != NULL) +# define thread_join(x) { WaitForSingleObject(x, INFINITE); CloseHandle(x); } + +#endif + +#endif // !defined(PLATFORM_H_INCLUDED)