Lock.h

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/*
 * Copyright (c) 2008-2017, NVIDIA CORPORATION.  All rights reserved.
 *
 * NVIDIA CORPORATION and its licensors retain all intellectual property
 * and proprietary rights in and to this software, related documentation
 * and any modifications thereto.  Any use, reproduction, disclosure or
 * distribution of this software and related documentation without an express
 * license agreement from NVIDIA CORPORATION is strictly prohibited.
 */

// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  


#ifndef LOCK_H
#define LOCK_H

#include "ApexInterface.h"

namespace nvidia
{
namespace apex
{

class ReadLock
{
    ReadLock(const ReadLock&);
    ReadLock& operator=(const ReadLock&);

public:
    
    ReadLock(const ApexInterface& lockable, const char* file=NULL, uint32_t line=0)
        : mLockable(lockable)
    {
        mLockable.acquireReadLock(file, line);
    }

    ~ReadLock()
    {
        mLockable.releaseReadLock();
    }

private:

    const ApexInterface& mLockable;
};

class WriteLock
{
    WriteLock(const WriteLock&);
    WriteLock& operator=(const WriteLock&);

public:

    WriteLock(const ApexInterface& lockable, const char* file=NULL, uint32_t line=0)
        : mLockable(lockable)
    {
        mLockable.acquireWriteLock(file, line);
    }

    ~WriteLock()
    {
        mLockable.releaseWriteLock();
    }

private:
    const ApexInterface& mLockable;
};


} // namespace apex
} // namespace nvidia

#define WRITE_LOCK(LOCKABLE) nvidia::apex::WriteLock __WriteLock(LOCKABLE, __FILE__, __LINE__);

#define READ_LOCK(LOCKABLE) nvidia::apex::ReadLock __ReadLock(LOCKABLE, __FILE__, __LINE__);

#endif