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