From ce4a32fe52ef09d8f5ff1dd22c001110902b60a2 Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
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 <schumacher@kde.org>
+
+    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 <qstring.h>
+#include <qobject.h>
+
+#include <kdelibs_export.h>
+
+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
-- 
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