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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2006-06-11
* Description : thread safe debugging.
*
* See B.K.O #133026: because kdDebug() is not thread-safe
* we need to use a dedicaced debug statements in threaded
* implementation to prevent crash.
*
* Copyright (C) 2006-2007 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* ============================================================ */
// TQt includes.
#include <tqmutex.h>
// Local includes.
#include "ddebug.h"
#undef DDebug
#undef kdDebug
namespace Digikam
{
//static KStaticDeleter<TQMutex> deleter;
static TQMutex *_ddebug_mutex_ = 0;
Ddbgstream::Ddbgstream(kdbgstream stream)
: kdbgstream(stream)
{
// using a static variable here - we can safely assume that kdDebug
// is called at least once from the main thread before threads start.
if (!_ddebug_mutex_)
{
// leak the mutex object for simplicity
_ddebug_mutex_ = new TQMutex;
//deleter.setObject(mutex, new TQMutex);
//TDEGlobal::unregisterStaticDeleter(&deleter);
}
_ddebug_mutex_->lock();
}
Ddbgstream::~Ddbgstream()
{
_ddebug_mutex_->unlock();
}
Dndbgstream::Dndbgstream(kndbgstream stream)
: kndbgstream(stream)
{
// using a static variable here - we can safely assume that kdDebug
// is called at least once from the main thread before threads start.
if (!_ddebug_mutex_)
{
// leak the mutex object for simplicity
_ddebug_mutex_ = new TQMutex;
//deleter.setObject(mutex, new TQMutex);
//TDEGlobal::unregisterStaticDeleter(&deleter);
}
_ddebug_mutex_->lock();
}
Dndbgstream::~Dndbgstream()
{
_ddebug_mutex_->unlock();
}
} // namespace Digikam
Digikam::Ddbgstream DDebug(int area) { return Digikam::Ddbgstream(kdDebug(area)); }
Digikam::Ddbgstream DError(int area) { return Digikam::Ddbgstream(kdError(area)); }
Digikam::Ddbgstream DWarning(int area) { return Digikam::Ddbgstream(kdWarning(area)); }
Digikam::Dndbgstream DnDebug(int area) { return Digikam::Dndbgstream(kndDebug(area)); }
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