1 files changed, 92 insertions, 0 deletions
diff --git a/src/libs/dimg/ddebug.cpp b/src/libs/dimg/ddebug.cpp
new file mode 100644
index 00000000..3f8f07c4
--- /dev/null
+++ b/src/libs/dimg/ddebug.cpp
@@ -0,0 +1,92 @@
+/* ============================================================
+ *
+ * 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)); }
+