framework/delibs/decpp/deMutex.cpp

/*-------------------------------------------------------------------------
 * drawElements C++ Base Library
 * -----------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *//*!
 * \file
 * \brief deMutex C++ wrapper.
 *//*--------------------------------------------------------------------*/

#include "deMutex.hpp"
#include "deMemory.h"

#include <new>

namespace de
{

/*--------------------------------------------------------------------*//*!
 * \brief Construct mutual exclusion lock.
 * \param flags Mutex flags as described in deMutex.h.
 *				DE_MUTEX_RECURSIVE flag enables recursive mutex.
 *//*--------------------------------------------------------------------*/
Mutex::Mutex (deUint32 flags)
	: m_mutex(0)
{
	deMutexAttributes attribs;
	deMemset(&attribs, 0, sizeof(attribs));
	attribs.flags = flags;
	
	m_mutex = deMutex_create(&attribs);
	if (!m_mutex)
		throw std::bad_alloc();
}

Mutex::~Mutex (void)
{
	deMutex_destroy(m_mutex);
}

} // de