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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#if ! defined(OSL_DIAGNOSE_HXX_INCLUDED)
#define OSL_DIAGNOSE_HXX_INCLUDED
#if ! defined(_OSL_DIAGNOSE_H_)
#include "osl/diagnose.h"
#endif
#if ! defined(_OSL_INTERLOCK_H_)
#include "osl/interlck.h"
#endif
#if ! defined(_OSL_MUTEX_HXX_)
#include "osl/mutex.hxx"
#endif
#if ! defined(INCLUDED_RTL_ALLOCATOR_HXX)
#include "rtl/allocator.hxx"
#endif
#if ! defined(_RTL_INSTANCE_HXX_)
#include "rtl/instance.hxx"
#endif
#include <hash_set>
#include <functional>
#include <typeinfo>
namespace osl {
/// @internal
namespace detail {
struct ObjectRegistryData;
} // namespace detail
} // namespace osl
extern "C" {
/** @internal */
bool SAL_CALL osl_detail_ObjectRegistry_storeAddresses( char const* pName )
SAL_THROW_EXTERN_C();
/** @internal */
bool SAL_CALL osl_detail_ObjectRegistry_checkObjectCount(
::osl::detail::ObjectRegistryData const& rData, ::std::size_t nExpected )
SAL_THROW_EXTERN_C();
/** @internal */
void SAL_CALL osl_detail_ObjectRegistry_registerObject(
::osl::detail::ObjectRegistryData & rData, void const* pObj )
SAL_THROW_EXTERN_C();
/** @internal */
void SAL_CALL osl_detail_ObjectRegistry_revokeObject(
::osl::detail::ObjectRegistryData & rData, void const* pObj )
SAL_THROW_EXTERN_C();
/** @internal */
::osl::Mutex & SAL_CALL osl_detail_ObjectRegistry_getMutex()
SAL_THROW_EXTERN_C();
} // extern "C"
namespace osl {
/// @internal
namespace detail {
struct VoidPtrHash : ::std::unary_function<void const*, ::std::size_t> {
::std::size_t operator()( void const* p ) const {
::std::size_t const d = static_cast< ::std::size_t >(
reinterpret_cast< ::std::ptrdiff_t >(p) );
return d + (d >> 3);
}
};
typedef ::std::hash_set<void const*, VoidPtrHash, ::std::equal_to<void const*>,
::rtl::Allocator<void const*> > VoidPointerSet;
struct ObjectRegistryData {
ObjectRegistryData( ::std::type_info const& rTypeInfo )
: m_pName(rTypeInfo.name()), m_nCount(0), m_addresses(),
m_bStoreAddresses(osl_detail_ObjectRegistry_storeAddresses(m_pName)){}
char const* const m_pName;
oslInterlockedCount m_nCount;
VoidPointerSet m_addresses;
bool const m_bStoreAddresses;
};
template <typename T>
class ObjectRegistry
{
public:
ObjectRegistry() : m_data( typeid(T) ) {}
~ObjectRegistry() { checkObjectCount(0); }
bool checkObjectCount( ::std::size_t nExpected ) const {
bool const bRet = osl_detail_ObjectRegistry_checkObjectCount(
m_data, nExpected );
if (!bRet && m_data.m_bStoreAddresses) {
MutexGuard const guard( osl_detail_ObjectRegistry_getMutex() );
// following loop is for debugging purposes, iterating over map:
VoidPointerSet::const_iterator iPos(m_data.m_addresses.begin());
VoidPointerSet::const_iterator const iEnd(m_data.m_addresses.end());
for ( ; iPos != iEnd; ++iPos ) {
OSL_ASSERT( *iPos != 0 );
}
}
return bRet;
}
void registerObject( void const* pObj ) {
osl_detail_ObjectRegistry_registerObject(m_data, pObj);
}
void revokeObject( void const* pObj ) {
osl_detail_ObjectRegistry_revokeObject(m_data, pObj);
}
private:
// not impl:
ObjectRegistry( ObjectRegistry const& );
ObjectRegistry const& operator=( ObjectRegistry const& );
ObjectRegistryData m_data;
};
} // namespace detail
/** Helper class which indicates leaking object(s) of a particular class in
non-pro builds; use e.g.
<pre>
class MyClass : private osl::DebugBase<MyClass> {...};
</pre>
Using the environment variable
OSL_DEBUGBASE_STORE_ADDRESSES=MyClass;YourClass;...
you can specify a ';'-separated list of strings matching to class names
(or "all" for all classes), for which DebugBase stores addresses to created
objects instead of just counting them. This enables you to iterate over
leaking objects in your debugger.
@tpl InheritingClassT binds the template instance to that class
@internal Use at own risk.
For now this is just public (yet unpublished) API and may change
in the future!
*/
template <typename InheritingClassT>
class DebugBase
{
public:
#if OSL_DEBUG_LEVEL <= 0
static bool checkObjectCount( ::std::size_t = 0 ) { return true; }
#else // OSL_DEBUG_LEVEL > 0
/** @return whether the expected number of objects is alive,
else this function OSL_ASSERTs
*/
static bool checkObjectCount( ::std::size_t nExpected = 0 ) {
return StaticObjectRegistry::get().checkObjectCount(nExpected);
}
protected:
DebugBase() {
StaticObjectRegistry::get().registerObject( this );
}
~DebugBase() {
StaticObjectRegistry::get().revokeObject( this );
}
private:
struct StaticObjectRegistry
: ::rtl::Static<detail::ObjectRegistry<InheritingClassT>,
StaticObjectRegistry> {};
#endif
};
} // namespace osl
#endif // ! defined(OSL_DIAGNOSE_HXX_INCLUDED)
|
