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lock.h
1 /*
2  This file is part of libkabc.
3 
4  Copyright (c) 2001,2003 Cornelius Schumacher <schumacher@kde.org>
5 
6  This library is free software; you can redistribute it and/or
7  modify it under the terms of the GNU Library General Public
8  License as published by the Free Software Foundation; either
9  version 2 of the License, or (at your option) any later version.
10 
11  This library is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  Library General Public License for more details.
15 
16  You should have received a copy of the GNU Library General Public License
17  along with this library; see the file COPYING.LIB. If not, write to
18  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  Boston, MA 02110-1301, USA.
20 */
21 #ifndef KABC_LOCK_H
22 #define KABC_LOCK_H
23 
24 #include <tqstring.h>
25 #include <tqobject.h>
26 
27 #include <kdelibs_export.h>
28 
29 namespace KABC {
30 
35 class KABC_EXPORT Lock : public TQObject
36 {
37  Q_OBJECT
38  public:
45  Lock( const TQString &identifier );
46 
50  ~Lock();
51 
55  virtual bool lock();
56 
60  virtual bool unlock();
61 
62  virtual TQString error() const;
63 
64  TQString lockFileName() const;
65 
66  static bool readLockFile( const TQString &filename, int &pid, TQString &app );
67  static bool writeLockFile( const TQString &filename );
68 
69  static TQString locksDir();
70 
71  signals:
72  void locked();
73  void unlocked();
74 
75  private:
76  TQString mIdentifier;
77 
78  TQString mLockUniqueName;
79 
80  TQString mError;
81 
82  class Private;
83  Private *d;
84 };
85 
86 }
87 
88 #endif
KABC::Lock
This class provides locking functionality for a file, directory or an arbitrary string-represented re...
Definition: lock.h:35
KABC
static data, shared by ALL addressee objects
Definition: address.h:48

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