From ce4a32fe52ef09d8f5ff1dd22c001110902b60a2 Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kabc/lock.h | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 kabc/lock.h (limited to 'kabc/lock.h') diff --git a/kabc/lock.h b/kabc/lock.h new file mode 100644 index 000000000..1707d0f13 --- /dev/null +++ b/kabc/lock.h @@ -0,0 +1,88 @@ +/* + This file is part of libkabc. + + Copyright (c) 2001,2003 Cornelius Schumacher + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ +#ifndef KABC_LOCK_H +#define KABC_LOCK_H + +#include +#include + +#include + +namespace KABC { + +/** + This class provides locking functionality for a file, directory or an + arbitrary string-represented resource. +*/ +class KABC_EXPORT Lock : public QObject +{ + Q_OBJECT + public: + /** + Constructor. + + @param identifier An identifier for the resource to be locked, e.g. a file + name. + */ + Lock( const QString &identifier ); + + /** + Destruct lock object. This also removes the lock on the resource. + */ + ~Lock(); + + /** + Lock resource. + */ + virtual bool lock(); + + /** + Unlock resource. + */ + virtual bool unlock(); + + virtual QString error() const; + + QString lockFileName() const; + + static bool readLockFile( const QString &filename, int &pid, QString &app ); + static bool writeLockFile( const QString &filename ); + + static QString locksDir(); + + signals: + void locked(); + void unlocked(); + + private: + QString mIdentifier; + + QString mLockUniqueName; + + QString mError; + + class Private; + Private *d; +}; + +} + +#endif -- cgit v1.2.1