AAX_CMutex.h

Go to the documentation of this file.

/*================================================================================================*/
/*
 *
 *  Copyright 2014-2015, 2023 Avid Technology, Inc.
 *  All rights reserved.
 *  
 *  CONFIDENTIAL: this document contains confidential information of Avid. Do
 *  not disclose to any third party. Use of the information contained in this
 *  document is subject to an Avid SDK license.
 *
 */
 
#ifndef AAX_CMUTEX_H
#define AAX_CMUTEX_H
 
/*================================================================================================*/
 
class AAX_CMutex
{
public:
    AAX_CMutex();
    ~AAX_CMutex();
    
    bool Lock();
    void Unlock();
    bool Try_Lock();
    
private:
    AAX_CMutex(const AAX_CMutex&);
    AAX_CMutex& operator=(const AAX_CMutex&);
 
    typedef struct opaque_aax_mutex_t * aax_mutex_t;    
    aax_mutex_t     mMutex; 
};
 
class AAX_StLock_Guard
{
public:
    explicit AAX_StLock_Guard(AAX_CMutex& iMutex) : mMutex(iMutex) { mNeedsUnlock = mMutex.Lock(); }
    ~AAX_StLock_Guard() { if (mNeedsUnlock) mMutex.Unlock(); }
    
private:    
    AAX_StLock_Guard(AAX_StLock_Guard const&);
    AAX_StLock_Guard& operator=(AAX_StLock_Guard const&);
 
    AAX_CMutex &    mMutex;
    bool            mNeedsUnlock;
};
 
#endif // AAX_CMUTEX_H