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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "rtl/strbuf.hxx"
21 : #include "rtl/string.hxx"
22 : #include "rtl/ustring.hxx"
23 : #include "osl/process.h"
24 : #include "osl/diagnose.hxx"
25 : #include "sal/log.hxx"
26 : #include "boost/bind.hpp"
27 : #include <algorithm>
28 : #include <vector>
29 :
30 : namespace {
31 :
32 : typedef std::vector<rtl::OString> OStringVec;
33 :
34 : struct StaticDebugBaseAddressFilter
35 : : rtl::StaticWithInit<OStringVec, StaticDebugBaseAddressFilter> {
36 0 : OStringVec operator()() const {
37 0 : OStringVec vec;
38 0 : rtl_uString * pStr = 0;
39 : rtl::OUString const name(
40 0 : "OSL_DEBUGBASE_STORE_ADDRESSES" );
41 0 : if (osl_getEnvironment( name.pData, &pStr ) == osl_Process_E_None) {
42 0 : rtl::OUString const str(pStr);
43 0 : rtl_uString_release(pStr);
44 0 : sal_Int32 nIndex = 0;
45 0 : do {
46 : vec.push_back( rtl::OUStringToOString(
47 : str.getToken( 0, ';', nIndex ),
48 0 : RTL_TEXTENCODING_ASCII_US ) );
49 : }
50 0 : while (nIndex >= 0);
51 : }
52 0 : return vec;
53 : }
54 : };
55 :
56 0 : inline bool isSubStr( char const* pStr, rtl::OString const& subStr )
57 : {
58 0 : return rtl_str_indexOfStr( pStr, subStr.getStr() ) >= 0;
59 : }
60 :
61 : struct DebugBaseMutex : rtl::Static<osl::Mutex, DebugBaseMutex> {};
62 :
63 : } // anon namespace
64 :
65 : extern "C" {
66 :
67 : // These functions presumably should not be extern "C", but changing
68 : // that would break binary compatibility.
69 : #ifdef __clang__
70 : #pragma clang diagnostic push
71 : // Guard against slightly older clang versions that don't have
72 : // -Wreturn-type-c-linkage...
73 : #pragma clang diagnostic ignored "-Wunknown-pragmas"
74 : #pragma clang diagnostic ignored "-Wreturn-type-c-linkage"
75 : #endif
76 :
77 0 : osl::Mutex & SAL_CALL osl_detail_ObjectRegistry_getMutex()
78 : SAL_THROW_EXTERN_C()
79 : {
80 0 : return DebugBaseMutex::get();
81 : }
82 : #ifdef __clang__
83 : #pragma clang diagnostic pop
84 : #endif
85 :
86 0 : bool SAL_CALL osl_detail_ObjectRegistry_storeAddresses( char const* pName )
87 : SAL_THROW_EXTERN_C()
88 : {
89 0 : OStringVec const& rVec = StaticDebugBaseAddressFilter::get();
90 0 : if (rVec.empty())
91 0 : return false;
92 : // check for "all":
93 0 : rtl::OString const& rFirst = rVec[0];
94 0 : if (rtl_str_compare_WithLength( rFirst.getStr(), rFirst.getLength(),
95 0 : RTL_CONSTASCII_STRINGPARAM("all") ) == 0)
96 0 : return true;
97 0 : OStringVec::const_iterator const iEnd( rVec.end() );
98 : return std::find_if( rVec.begin(), iEnd,
99 0 : boost::bind( &isSubStr, pName, _1 ) ) != iEnd;
100 : }
101 :
102 0 : bool SAL_CALL osl_detail_ObjectRegistry_checkObjectCount(
103 : osl::detail::ObjectRegistryData const& rData, std::size_t nExpected )
104 : SAL_THROW_EXTERN_C()
105 : {
106 : std::size_t nSize;
107 0 : if (rData.m_bStoreAddresses)
108 0 : nSize = rData.m_addresses.size();
109 : else
110 0 : nSize = static_cast<std::size_t>(rData.m_nCount);
111 :
112 0 : bool const bRet = (nSize == nExpected);
113 : SAL_WARN_IF(
114 : !bRet, "sal.osl",
115 : "unexpected number of " << rData.m_pName << ": " << nSize
116 : << "; Expected: " << nExpected);
117 0 : return bRet;
118 : }
119 :
120 0 : void SAL_CALL osl_detail_ObjectRegistry_registerObject(
121 : osl::detail::ObjectRegistryData & rData, void const* pObj )
122 : SAL_THROW_EXTERN_C()
123 : {
124 0 : if (rData.m_bStoreAddresses) {
125 0 : osl::MutexGuard const guard( osl_detail_ObjectRegistry_getMutex() );
126 : std::pair<osl::detail::VoidPointerSet::iterator, bool> const insertion(
127 0 : rData.m_addresses.insert(pObj) );
128 0 : SAL_WARN_IF(!insertion.second, "sal.osl", "insertion failed!?");
129 : }
130 : else {
131 0 : osl_atomic_increment(&rData.m_nCount);
132 : }
133 0 : }
134 :
135 0 : void SAL_CALL osl_detail_ObjectRegistry_revokeObject(
136 : osl::detail::ObjectRegistryData & rData, void const* pObj )
137 : SAL_THROW_EXTERN_C()
138 : {
139 0 : if (rData.m_bStoreAddresses) {
140 0 : osl::MutexGuard const guard( osl_detail_ObjectRegistry_getMutex() );
141 0 : std::size_t const n = rData.m_addresses.erase(pObj);
142 0 : SAL_WARN_IF(n != 1, "sal.osl", "erased more than 1 entry!?");
143 : }
144 : else {
145 0 : osl_atomic_decrement(&rData.m_nCount);
146 : }
147 0 : }
148 :
149 5736 : } // extern "C"
150 :
151 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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