/*---------------------------------------------------------------------------*
  Project:  NintendoWare
  File:     os_MutexCTRWIN.h

  Copyright (C)2009-2010 Nintendo Co., Ltd./HAL Laboratory, Inc.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Revision: 25116 $
 *---------------------------------------------------------------------------*/

#include <nn/os/ipc/os_Mutex.h>
#include <nn/os/interrupt.h>

#include <nw/types.h>

namespace nw {
namespace os {
namespace internal {

//---------------------------------------------------------------------------
//! @brief        CTRWIN 用の Mutex の具象クラスです。
//---------------------------------------------------------------------------
class LockObject
{
public:
    /* ctor */ LockObject()
    {
        nn::os::ipc::InitMutex( &m_Mutex );
    }
    
    /* dtor */ virtual ~LockObject()
    {
        nn::os::ipc::DestroyMutex( m_Mutex );
    }
    
    virtual void Lock()
    {
        nn::os::ipc::LockMutex( m_Mutex );
    }
    
    virtual bool TryLock()
    {
        nn::Result result = nn::os::ipc::TryLockMutex( m_Mutex );
        return result.IsSuccess();
    }
    
    virtual void Unlock()
    {
        nn::os::ipc::UnlockMutex( m_Mutex );
    }
    
private:
    nn::os::ipc::Mutex  m_Mutex;
};


class Interrupts
{
public:
    static bool Disable()
    {
        return (OS_DisableInterrupts() != FALSE);
    }
    
    static bool Enable()
    {
        return (OS_EnableInterrupts() != FALSE);
    }
    
    static bool Restore(bool level)
    {
        return (OS_RestoreInterrupts( level? TRUE : FALSE ) != FALSE);
    }
};


} // namespace internal
} // namespace os
} // namespace nw