tsrc/xmltestharness/xmlclient/src/threadedlogger.h
changeset 0 0e4a32b9112d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tsrc/xmltestharness/xmlclient/src/threadedlogger.h	Wed Aug 25 12:40:50 2010 +0300
@@ -0,0 +1,59 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#ifndef THREADEDLOGGER_H_
+#define THREADEDLOGGER_H_
+
+#include "omx_xml_script.h"
+
+/**
+ * Adapter class that serializes all Log() calls on the underlying logger into the same thread.
+ * That is, a call to Log() from a thread that did not create this AO will block until the AO has
+ * completed the log in the AS thread.
+ * 
+ * This class is provided to allow the use of loggers that would otherwise KERN-EXEC 0 panic if
+ * used by multiple threads.
+ */
+class CThreadedLogger : public CActive, public MOmxScriptTestLogger
+	{
+public:
+	static CThreadedLogger* NewLC(MOmxScriptTestLogger& aRealLogger);
+	~CThreadedLogger();
+	
+	void Log(const TText8* aFile, TInt aLine, TOmxScriptSeverity aSeverity, const TDes& aMessage);
+	
+private:
+	CThreadedLogger(MOmxScriptTestLogger& aRealLogger);
+	void ConstructL();
+	
+	void RunL();
+	void DoCancel();
+	
+private:
+	MOmxScriptTestLogger& iRealLogger;
+	RThread iCreatorThread;
+	RMutex iMutex;
+	RSemaphore iSemaphore;
+	TThreadId iCreatorThreadId;
+	
+	TText8* iFile;
+	TInt iLine;
+	TOmxScriptSeverity iSeverity;
+	TDes* iMessage;
+	};
+
+#endif /* THREADEDLOGGER_H_ */