blob: 5c5aa8fc9969d79a9337e5a2d65a6f3cadba6632 (
plain)
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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SALHELPER_REFOBJ_HXX
#define INCLUDED_SALHELPER_REFOBJ_HXX
#include <sal/types.h>
#include <rtl/alloc.h>
#include <rtl/ref.hxx>
#include <osl/diagnose.h>
#include <osl/interlck.h>
namespace salhelper
{
class ReferenceObject : public rtl::IReference
{
/** Representation.
*/
oslInterlockedCount m_nReferenceCount;
/** Not implemented.
*/
ReferenceObject (const ReferenceObject&);
ReferenceObject& operator= (const ReferenceObject&);
public:
/** Allocation.
*/
static void* operator new (size_t n) SAL_THROW(())
{
return ::rtl_allocateMemory (n);
}
static void operator delete (void* p) SAL_THROW(())
{
::rtl_freeMemory (p);
}
static void* operator new (size_t, void* p) SAL_THROW(())
{
return (p);
}
static void operator delete (void*, void*) SAL_THROW(())
{}
public:
/** Construction.
*/
inline ReferenceObject() SAL_THROW(()) : m_nReferenceCount (0)
{}
/** IReference.
*/
virtual oslInterlockedCount SAL_CALL acquire() SAL_THROW(()) SAL_OVERRIDE
{
return osl_atomic_increment (&m_nReferenceCount);
}
virtual oslInterlockedCount SAL_CALL release() SAL_THROW(()) SAL_OVERRIDE
{
oslInterlockedCount result;
result = ::osl_atomic_decrement (&m_nReferenceCount);
if (result == 0)
{
// Last reference released.
delete this;
}
return (result);
}
protected:
/** Destruction.
*/
virtual ~ReferenceObject() SAL_THROW(())
{
OSL_ASSERT(m_nReferenceCount == 0);
}
};
} // namespace salhelper
#endif /* ! INCLUDED_SALHELPER_REFOBJ_HXX */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
