1 /*---------------------------------------------------------------------------*
2   Project:  NintendoWare
3   File:     os_MutexCTR.h
4 
5   Copyright (C)2009-2010 Nintendo Co., Ltd./HAL Laboratory, Inc.  All rights reserved.
6 
7   These coded instructions, statements, and computer programs contain
8   proprietary information of Nintendo of America Inc. and/or Nintendo
9   Company Ltd., and are protected by Federal copyright law.  They may
10   not be disclosed to third parties or copied or duplicated in any form,
11   in whole or in part, without the prior written consent of Nintendo.
12 
13   $Revision: 25116 $
14  *---------------------------------------------------------------------------*/
15 
16 #include <nn/os/os_Mutex.h>
17 #include <nw/types.h>
18 
19 namespace nw {
20 namespace os {
21 namespace internal {
22 
23 //---------------------------------------------------------------------------
24 //! @brief        CTR 用の Mutex の具象クラスです。
25 //---------------------------------------------------------------------------
26 class LockObject
27 {
28 public:
LockObject()29     /* ctor */ LockObject()
30     {
31         m_CriticalSection.Initialize();
32     }
33 
~LockObject()34     /* dtor */ ~LockObject()
35     {
36         m_CriticalSection.Finalize();
37     }
38 
Lock()39     void Lock()
40     {
41         m_CriticalSection.Enter();
42     }
43 
TryLock()44     bool TryLock()
45     {
46         return m_CriticalSection.TryEnter();
47     }
48 
Unlock()49     void Unlock()
50     {
51         m_CriticalSection.Leave();
52     }
53 
54 private:
55     nn::os::CriticalSection m_CriticalSection;
56 };
57 
58 
59 
60 //---------------------------------------------------------------------------
61 //! @brief        CTR 用の Interrupts の具象クラスです。
62 //!               このクラスは実際には何も処理をおこないません。
63 //---------------------------------------------------------------------------
64 class Interrupts
65 {
66 public:
Disable()67     static bool Disable()
68     {
69         bool previous = m_Enabled;
70         m_Enabled = false;
71         return previous;
72     }
73 
Enable()74     static bool Enable()
75     {
76         bool previous = m_Enabled;
77         m_Enabled = true;
78         return previous;
79     }
80 
Restore(bool level)81     static bool Restore(bool level)
82     {
83         bool previous = m_Enabled;
84         m_Enabled = level;
85         return previous;
86     }
87 
88 private:
89     static bool m_Enabled;
90 };
91 
92 
93 } // namespace internal
94 } // namespace os
95 } // namespace nw
96