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https://github.com/HChaZZY/Stockfish.git
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a189a5f0c5
Instead of Posix threads. This seems to fix time losses of the gcc compiled version for Windows. The patch replaces the MSVC specific _MSC_VER flag with _WIN32 and _WIN64 that are defined both by MSVC and mingw-gcc. Workaround found by Jim Ablett. No functional change. Signed-off-by: Marco Costalba <mcostalba@gmail.com>
76 lines
2.8 KiB
C
76 lines
2.8 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(LOCK_H_INCLUDED)
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#define LOCK_H_INCLUDED
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#if !defined(_WIN32) && !defined(_WIN64)
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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 ThreadHandle;
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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,id) !pthread_create(&(x),NULL,f,&(id))
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# define thread_join(x) pthread_join(x, NULL)
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#else
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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 ThreadHandle;
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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,id) (x = CreateThread(NULL,0,f,&(id),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(LOCK_H_INCLUDED)
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