kabc Library API Documentation

lock.h

00001 /* 00002 This file is part of libkabc. 00003 00004 Copyright (c) 2001,2003 Cornelius Schumacher <schumacher@kde.org> 00005 00006 This library is free software; you can redistribute it and/or 00007 modify it under the terms of the GNU Library General Public 00008 License as published by the Free Software Foundation; either 00009 version 2 of the License, or (at your option) any later version. 00010 00011 This library is distributed in the hope that it will be useful, 00012 but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 Library General Public License for more details. 00015 00016 You should have received a copy of the GNU Library General Public License 00017 along with this library; see the file COPYING.LIB. If not, write to 00018 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, 00019 Boston, MA 02111-1307, USA. 00020 */ 00021 #ifndef KABC_LOCK_H 00022 #define KABC_LOCK_H 00023 00024 #include <qstring.h> 00025 #include <qobject.h> 00026 00027 #include <kdelibs_export.h> 00028 00029 namespace KABC { 00030 00035 class KABC_EXPORT Lock : public QObject 00036 { 00037 Q_OBJECT 00038 public: 00045 Lock( const QString &identifier ); 00046 00050 ~Lock(); 00051 00055 virtual bool lock(); 00056 00060 virtual bool unlock(); 00061 00062 virtual QString error() const; 00063 00064 QString lockFileName() const; 00065 00066 static bool readLockFile( const QString &filename, int &pid, QString &app ); 00067 static bool writeLockFile( const QString &filename ); 00068 00069 static QString locksDir(); 00070 00071 signals: 00072 void locked(); 00073 void unlocked(); 00074 00075 private: 00076 QString mIdentifier; 00077 00078 QString mLockUniqueName; 00079 00080 QString mError; 00081 00082 class Private; 00083 Private *d; 00084 }; 00085 00086 } 00087 00088 #endif
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This file is part of the documentation for kabc Library Version 3.4.0.
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