mxoemu/Reality/Source/Threading/NativeMutex.cpp

58 lines
1.9 KiB
C++

// *************************************************************************************************
// --------------------------------------
// Copyright (C) 2006-2010 Rajko Stojadinovic
//
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This program 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
// *************************************************************************************************
#include "../Common.h"
#include "NativeMutex.h"
#if PLATFORM == PLATFORM_WIN32
/* Windows Critical Section Implementation */
NativeMutex::NativeMutex() { InitializeCriticalSection(&cs); }
NativeMutex::~NativeMutex() { DeleteCriticalSection(&cs); }
#else
/* this is done slightly differently on bsd-variants */
#if defined(__FreeBSD__) || defined(__APPLE_CC__) || defined(__OpenBSD__) || defined(__CYGWIN__)
#define recursive_mutex_flag PTHREAD_MUTEX_RECURSIVE
#else
#define recursive_mutex_flag PTHREAD_MUTEX_RECURSIVE_NP
#endif
/* Linux mutex implementation */
bool NativeMutex::attr_initalized = false;
pthread_mutexattr_t NativeMutex::attr;
NativeMutex::NativeMutex()
{
if(!attr_initalized)
{
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, recursive_mutex_flag);
attr_initalized = true;
}
pthread_mutex_init(&mutex, &attr);
}
NativeMutex::~NativeMutex() { pthread_mutex_destroy(&mutex); }
#endif