_p_s4_2_ak_lock_8h

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 /*******************************************************************************

 The content of this file includes portions of the AUDIOKINETIC Wwise Technology

 released in source code form as part of the SDK installer package.

 Commercial License Usage

 Licensees holding valid commercial licenses to the AUDIOKINETIC Wwise Technology

 may use this file in accordance with the end user license agreement provided 

 with the software or, alternatively, in accordance with the terms contained in a

 written agreement between you and Audiokinetic Inc.

 Apache License Usage

 Alternatively, this file may be used under the Apache License, Version 2.0 (the 

 "Apache License"); you may not use this file except in compliance with the 

 Apache License. You may obtain a copy of the Apache License at 

 http://www.apache.org/licenses/LICENSE-2.0.

 Unless required by applicable law or agreed to in writing, software distributed

 under the Apache License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES

 OR CONDITIONS OF ANY KIND, either express or implied. See the Apache License for

 the specific language governing permissions and limitations under the License.

   Version: <VERSION>  Build: <BUILDNUMBER>

   Copyright (c) <COPYRIGHTYEAR> Audiokinetic Inc.

 *******************************************************************************/

 #pragma once

 #include <AK/SoundEngine/Common/AkTypes.h>

 #include <AK/Tools/Common/AkAssert.h>

 //-----------------------------------------------------------------------------

 // CAkLock class

 //-----------------------------------------------------------------------------

 class CAkLock

 {

 public:

     /// Constructor

     CAkLock() :

         m_mutex(NULL)

     {

         /// Todo: use sceKernelCreateLwMutex when sdk is available for it

         ScePthreadMutexattr mutex_attr;

         AKVERIFY(!scePthreadMutexattrInit( &mutex_attr ));  

         AKVERIFY(!scePthreadMutexattrSettype( &mutex_attr, SCE_PTHREAD_MUTEX_RECURSIVE ));

         AKVERIFY(!scePthreadMutexattrSetprotocol(&mutex_attr, SCE_PTHREAD_PRIO_INHERIT));

         AKVERIFY(!scePthreadMutexInit( &m_mutex, &mutex_attr, NULL));

         AKVERIFY(!scePthreadMutexattrDestroy( &mutex_attr ));

     }

     /// Destructor

     ~CAkLock()

     {

         AKVERIFY(!scePthreadMutexDestroy( &m_mutex ));

     }

     /// Lock 

     inline AKRESULT Lock( void )

     {

         if( scePthreadMutexLock(&m_mutex) == SCE_OK )

         {

             return AK_Success;

         }

         return AK_Fail;

     }

     /// Unlock

     inline AKRESULT Unlock( void )

     {

         if( scePthreadMutexUnlock(&m_mutex) == SCE_OK )

         {

             return AK_Success;

         }

         return AK_Fail;

     }

 private:

     ScePthreadMutex m_mutex;

 };