nvml-sys 0.0.6

A low-level FFI wrapper around the Persistent Memory Development Kit, PMDK (formerly NVML) and its libraries, including libpmem, libpmemobj and others. Currently tracks master after version 1.3.1.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160

/*
 * Copyright 2015-2017, Intel Corporation
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 *     * Neither the name of the copyright holder nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @file
 * Helper template for persistent ptr specialization.
 *
 * Based on Boost library smart_ptr implementation.
 */

#ifndef PMEMOBJ_SPECIALIZATION_HPP
#define PMEMOBJ_SPECIALIZATION_HPP

#include <memory>

namespace pmem
{

namespace detail
{
/* smart pointer specialization */

template <typename T>
struct sp_element {
	typedef T type;
};

template <typename T>
struct sp_element<T[]> {
	typedef T type;
};

template <typename T, std::size_t N>
struct sp_element<T[N]> {
	typedef T type;
};

/* sp_dereference is a return type of operator* */

template <typename T>
struct sp_dereference {
	typedef T &type;
};

template <>
struct sp_dereference<void> {
	typedef void type;
};

template <>
struct sp_dereference<void const> {
	typedef void type;
};

template <>
struct sp_dereference<void volatile> {
	typedef void type;
};

template <>
struct sp_dereference<void const volatile> {
	typedef void type;
};

template <typename T>
struct sp_dereference<T[]> {
	typedef void type;
};

template <typename T, std::size_t N>
struct sp_dereference<T[N]> {
	typedef void type;
};

/* sp_member_access is a return type of operator-> */

template <typename T>
struct sp_member_access {
	typedef T *type;
};

template <typename T>
struct sp_member_access<T[]> {
	typedef void type;
};

template <typename T, std::size_t N>
struct sp_member_access<T[N]> {
	typedef void type;
};

/* sp_array_access is a return type of operator[] */

template <typename T>
struct sp_array_access {
	typedef T &type;
};

template <>
struct sp_array_access<void> {
	typedef struct does_not_exist {
	} & type;
};

template <typename T>
struct sp_array_access<T[]> {
	typedef T &type;
};

template <typename T, std::size_t N>
struct sp_array_access<T[N]> {
	typedef T &type;
};

/* sp_extent is used for operator[] index checking */

template <typename T>
struct sp_extent {
	enum _vt { value = 0 };
};

template <typename T, std::size_t N>
struct sp_extent<T[N]> {
	enum _vt { value = N };
};

} /* namespace detail */

} /* namespace pmem */

#endif /* PMEMOBJ_SPECIALIZATION_HPP */