diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/cstdlib/TSTLIB/tsersig.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/ossrv/genericopenlibs/cstdlib/TSTLIB/tsersig.c	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,126 @@
+/*
+* Copyright (c) 1997-2009 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:
+*
+*/
+
+
+
+#include <stdlib.h>	/* definition of exit() */
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/unistd.h>
+#include <sys/ioctl.h>
+#include "CTEST.H"
+
+
+int GlobalPort;
+
+/**
+@SYMTestCaseID          SYSLIB-STDLIB-CT-1109
+@SYMTestCaseDesc	    Tests for serial port
+@SYMTestPriority 	    High
+@SYMTestActions  	    Open and configures the serial ports
+@SYMTestExpectedResults Test must not fail
+@SYMREQ                 REQ0000
+*/					
+void OpenAndConfigure(void)
+	{
+	SerialConfig sc;
+
+	GlobalPort = open("COM1:",0);
+	(void)ioctl(GlobalPort, COMMIOCTL_GETCONFIG, &sc);
+	sc.iRate = Bps57600;
+	sc.iParity = ParityNone;
+	(void)ioctl(GlobalPort, COMMIOCTL_SETCONFIG, &sc);
+	}
+
+/**
+@SYMTestCaseID          SYSLIB-STDLIB-CT-1110
+@SYMTestCaseDesc	    Tests for serial port
+@SYMTestPriority 	    High
+@SYMTestActions  	    Notifies a thread for events on port 
+@SYMTestExpectedResults Test must not fail
+@SYMREQ                 REQ0000
+*/					
+
+void WaitForNotifyThread(void)
+	{
+	int val[2];
+	int ret = 0;
+	int signals = 0;
+
+	
+	while (ret != -1)
+		{
+		val[0] = 0;
+		val[1] = -1;
+		ret = ioctl(GlobalPort, COMMIOCTL_NOTIFYSUPPORTED, &signals);
+		val[0] = KNotifyDataAvailable;
+		ret = ioctl(GlobalPort, COMMIOCTL_NOTIFY, &val[0]);
+		if ((ret != -1) || (val[0] != KNotifyDataAvailable))
+			printf("NotifyThread returned %d, val[0] %d when checking data available\n", ret, val[0]);
+
+
+		val[0] = signals & ~KNotifyDataAvailable; //no data avail as it returns an error
+		ret = ioctl(GlobalPort, COMMIOCTL_NOTIFY, &val[0]);
+		printf("NotifyThread ret = %d, val[0] is %d, val[1] is %d, errno is %d\n", ret, val[0], val[1], errno);
+
+		}
+	}
+
+/**
+@SYMTestCaseID          SYSLIB-STDLIB-CT-1111
+@SYMTestCaseDesc	    Tests for serial port
+@SYMTestPriority 	    High
+@SYMTestActions  	    Keep reading infinitely from the port
+@SYMTestExpectedResults Test must not fail
+@SYMREQ                 REQ0000
+*/					
+void readloop(void)
+	{
+	char buf[100];
+	int readcount = 10;
+
+	while (readcount-- > 0)
+		{
+		read(GlobalPort, buf, 100);
+		printf("ReadThread got %x\n", buf[0]);
+		}
+	}
+
+int main(void)
+	{
+	void* t1;
+	void*t2;
+
+	start_posix_server();	/* calls SpawnPosixServer from C++ code */
+
+	OpenAndConfigure();
+
+
+	t1 = create_thread(WaitForNotifyThread, "notify");
+	t2 = create_thread(readloop, "readloop");
+
+	start_thread(t1);
+	start_thread(t2);
+
+	(void)wait_for_thread(t2);
+	close(GlobalPort);		//closing the port will force a notify
+	(void)wait_for_thread(t1);
+	
+	return 0;
+	}
+