1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 #ifndef __MUTEXHOLDER_HXX_ 29 #define __MUTEXHOLDER_HXX_ 30 31 #include <osl/mutex.hxx> 32 33 class SotMutexHolder 34 { 35 ::osl::Mutex m_aMutex; 36 sal_Int32 m_nRefCount; 37 38 public: 39 SotMutexHolder() : m_nRefCount( 0 ) {} 40 41 void AddRef() 42 { 43 m_nRefCount++; 44 } 45 46 void ReleaseRef() 47 { 48 if ( !--m_nRefCount ) 49 delete this; 50 } 51 52 ::osl::Mutex& GetMutex() { return m_aMutex; } 53 }; 54 55 class SotMutexHolderRef 56 { 57 SotMutexHolder* m_pHolder; 58 59 public: 60 SotMutexHolderRef() 61 : m_pHolder( NULL ) 62 {} 63 64 SotMutexHolderRef( SotMutexHolder* pHolder ) 65 : m_pHolder( pHolder ) 66 { 67 if ( m_pHolder ) 68 m_pHolder->AddRef(); 69 } 70 71 SotMutexHolderRef( const SotMutexHolderRef& rRef ) 72 : m_pHolder( rRef.m_pHolder ) 73 { 74 if ( m_pHolder ) 75 m_pHolder->AddRef(); 76 } 77 78 ~SotMutexHolderRef() 79 { 80 if ( m_pHolder ) 81 m_pHolder->ReleaseRef(); 82 } 83 84 SotMutexHolderRef& operator =( const SotMutexHolderRef& rRef ) 85 { 86 if ( m_pHolder ) 87 m_pHolder->ReleaseRef(); 88 89 m_pHolder = rRef.m_pHolder; 90 91 if ( m_pHolder ) 92 m_pHolder->AddRef(); 93 94 return *this; 95 } 96 97 SotMutexHolderRef& operator =( SotMutexHolder* pHolder ) 98 { 99 if ( m_pHolder ) 100 m_pHolder->ReleaseRef(); 101 102 m_pHolder = pHolder; 103 104 if ( m_pHolder ) 105 m_pHolder->AddRef(); 106 return *this; 107 } 108 109 SotMutexHolder* operator ->() const 110 { 111 return m_pHolder; 112 } 113 114 SotMutexHolder& operator *() const 115 { 116 return *m_pHolder; 117 } 118 119 operator SotMutexHolder*() const 120 { 121 return m_pHolder; 122 } 123 124 sal_Bool Is() const 125 { 126 return m_pHolder != NULL; 127 } 128 }; 129 130 #endif 131 132