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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 <vector>
28 :
29 : namespace {
30 :
31 : typedef std::vector<rtl::OString, rtl::Allocator<rtl::OString> > OStringVec;
32 :
33 : struct StaticDebugBaseAddressFilter
34 : : rtl::StaticWithInit<OStringVec, StaticDebugBaseAddressFilter> {
35 0 : OStringVec operator()() const {
36 0 : OStringVec vec;
37 0 : rtl_uString * pStr = 0;
38 : rtl::OUString const name(
39 0 : "OSL_DEBUGBASE_STORE_ADDRESSES" );
40 0 : if (osl_getEnvironment( name.pData, &pStr ) == osl_Process_E_None) {
41 0 : rtl::OUString const str(pStr);
42 0 : rtl_uString_release(pStr);
43 0 : sal_Int32 nIndex = 0;
44 0 : do {
45 : vec.push_back( rtl::OUStringToOString(
46 : str.getToken( 0, ';', nIndex ),
47 0 : RTL_TEXTENCODING_ASCII_US ) );
48 : }
49 0 : while (nIndex >= 0);
50 : }
51 0 : return vec;
52 : }
53 : };
54 :
55 0 : inline bool isSubStr( char const* pStr, rtl::OString const& subStr )
56 : {
57 0 : return rtl_str_indexOfStr( pStr, subStr.getStr() ) >= 0;
58 : }
59 :
60 : struct DebugBaseMutex : rtl::Static<osl::Mutex, DebugBaseMutex> {};
61 :
62 : } // anon namespace
63 :
64 : extern "C" {
65 :
66 : // These functions presumably should not be extern "C", but changing
67 : // that would break binary compatibility.
68 : #ifdef __clang__
69 : #pragma clang diagnostic push
70 : // Guard against slightly older clang versions that don't have
71 : // -Wreturn-type-c-linkage...
72 : #pragma clang diagnostic ignored "-Wunknown-pragmas"
73 : #pragma clang diagnostic ignored "-Wreturn-type-c-linkage"
74 : #endif
75 :
76 0 : osl::Mutex & SAL_CALL osl_detail_ObjectRegistry_getMutex()
77 : SAL_THROW_EXTERN_C()
78 : {
79 0 : return DebugBaseMutex::get();
80 : }
81 : #ifdef __clang__
82 : #pragma clang diagnostic pop
83 : #endif
84 :
85 0 : bool SAL_CALL osl_detail_ObjectRegistry_storeAddresses( char const* pName )
86 : SAL_THROW_EXTERN_C()
87 : {
88 0 : OStringVec const& rVec = StaticDebugBaseAddressFilter::get();
89 0 : if (rVec.empty())
90 0 : return false;
91 : // check for "all":
92 0 : rtl::OString const& rFirst = rVec[0];
93 0 : if (rtl_str_compare_WithLength( rFirst.getStr(), rFirst.getLength(),
94 0 : RTL_CONSTASCII_STRINGPARAM("all") ) == 0)
95 0 : return true;
96 0 : OStringVec::const_iterator const iEnd( rVec.end() );
97 : return std::find_if( rVec.begin(), iEnd,
98 0 : boost::bind( &isSubStr, pName, _1 ) ) != iEnd;
99 : }
100 :
101 0 : bool SAL_CALL osl_detail_ObjectRegistry_checkObjectCount(
102 : osl::detail::ObjectRegistryData const& rData, std::size_t nExpected )
103 : SAL_THROW_EXTERN_C()
104 : {
105 : std::size_t nSize;
106 0 : if (rData.m_bStoreAddresses)
107 0 : nSize = rData.m_addresses.size();
108 : else
109 0 : nSize = static_cast<std::size_t>(rData.m_nCount);
110 :
111 0 : bool const bRet = (nSize == nExpected);
112 : SAL_WARN_IF(
113 : !bRet, "sal.osl",
114 : "unexpected number of " << rData.m_pName << ": " << nSize
115 : << "; Expected: " << nExpected);
116 0 : return bRet;
117 : }
118 :
119 0 : void SAL_CALL osl_detail_ObjectRegistry_registerObject(
120 : osl::detail::ObjectRegistryData & rData, void const* pObj )
121 : SAL_THROW_EXTERN_C()
122 : {
123 0 : if (rData.m_bStoreAddresses) {
124 0 : osl::MutexGuard const guard( osl_detail_ObjectRegistry_getMutex() );
125 : std::pair<osl::detail::VoidPointerSet::iterator, bool> const insertion(
126 0 : rData.m_addresses.insert(pObj) );
127 0 : SAL_WARN_IF(!insertion.second, "sal.osl", "insertion failed!?");
128 : }
129 : else {
130 0 : osl_atomic_increment(&rData.m_nCount);
131 : }
132 0 : }
133 :
134 0 : void SAL_CALL osl_detail_ObjectRegistry_revokeObject(
135 : osl::detail::ObjectRegistryData & rData, void const* pObj )
136 : SAL_THROW_EXTERN_C()
137 : {
138 0 : if (rData.m_bStoreAddresses) {
139 0 : osl::MutexGuard const guard( osl_detail_ObjectRegistry_getMutex() );
140 0 : std::size_t const n = rData.m_addresses.erase(pObj);
141 0 : SAL_WARN_IF(n != 1, "sal.osl", "erased more than 1 entry!?");
142 : }
143 : else {
144 0 : osl_atomic_decrement(&rData.m_nCount);
145 : }
146 0 : }
147 :
148 5364 : } // extern "C"
149 :
150 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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