1 /*---------------------------------------------------------------------------*
2   Project:  Horizon
3   File:     Handle.h
4 
5   Copyright (C)2009-2012 Nintendo Co., Ltd.  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   $Rev: 47231 $
14  *---------------------------------------------------------------------------*/
15 
16 
17 #ifndef NN_HANDLE_H_
18 #define NN_HANDLE_H_
19 
20 #include <nn/types.h>
21 #include <nn/Result.h>
22 
23 
24 //-------------------------------------------------------------------
25 // for C / C++
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif  // ifdef __cplusplus
30 
31     typedef struct nnHandle
32     {
33         bit32   value;
34     }
35     nnHandle;
36 
37     extern const nnHandle NN_INVALID_HANDLE_VALUE;
38 
39 #ifdef __cplusplus
40 }
41 #endif  // ifdef __cplusplus
42 
43 
44 
45 //-------------------------------------------------------------------
46 // for C++
47 
48 #ifdef __cplusplus
49 
50 namespace nn
51 {
52 
53     class Handle
54     {
55     public:
Handle()56         Handle() : m_Handle(0)
57         {
58         }
59 
Handle(nnHandle handle)60         Handle(nnHandle handle) : m_Handle(handle.value)
61         {
62         }
63 
Handle(bit32 handle)64         explicit Handle(bit32 handle)
65         {
66             m_Handle = handle;
67         }
68 
IsValid()69         bool IsValid() const
70         {
71             return m_Handle != 0;
72         }
73 
74     #if ! defined(NN_SWITCH_DISABLE_DEBUG_PRINT) || ! defined(NN_SWITCH_DISABLE_DEBUG_PRINT_FOR_SDK)
GetPrintableBits()75         bit32 GetPrintableBits() const
76         {
77             return m_Handle;
78         }
79     #endif
80 
81         bool operator ==(const Handle& rhs) const { return this->m_Handle == rhs.m_Handle; }
82         bool operator !=(const Handle& rhs) const { return this->m_Handle != rhs.m_Handle; }
nnHandle()83         operator nnHandle() const { nnHandle handle = {this->m_Handle}; return handle; }
84 
85     private:
86         bit32 m_Handle;
87     };
88 
89     namespace
90     {
91         const nnHandle PSEUDO_HANDLE_CURRENT_THREAD  = {0xFFFF8000};
92         const nnHandle PSEUDO_HANDLE_CURRENT_PROCESS = {0xFFFF8001};
93         const nnHandle INVALID_HANDLE_VALUE = {0};
94     }
95 
96 }
97 #endif  // ifdef __cplusplus
98 
99 
100 
101 #endif /* NN_HANDLE_H_ */
102