diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/kerneltest/e32test/misc/t_tmout.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/kerneltest/e32test/misc/t_tmout.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,143 @@
+// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "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:
+// e32test\misc\t_tmout.cpp
+// 
+//
+
+#include <e32test.h>
+#include "d_rndtim.h"
+
+RTest test(_L("T_TMOUT"));
+
+_LIT(KLitThread1Name,"IsrThread");
+const TInt KThread1Priority = 56;
+_LIT(KLitThread2Name,"WaitThread");
+const TInt KThread2Priority = 55;
+
+const TInt KTimeout = 5;	// milliseconds
+
+volatile TUint32 RandomSignalInterval;
+volatile TUint32 RandomSignalCount;
+volatile TUint32 TotalCount;
+volatile TUint32 TimeoutCount;
+volatile TUint32 BadCount;
+volatile TUint32 Bad0Count;
+volatile TUint32 Bad1Count;
+volatile TUint32 Calibration;
+
+RThread IsrT;
+RThread WaitT;
+RSemaphore Sem;
+
+TInt IsrThread(TAny*)
+	{
+	RThread me;
+	RRndTim rt;
+	TInt r = rt.Open();
+	if (r!=KErrNone)
+		return r;
+	r = rt.SetPriority(me, KThread1Priority);
+	if (r!=KErrNone)
+		return r;
+	rt.StartTimer();
+	Calibration = rt.Calibrate(1024);
+	r = rt.SetPriority(WaitT, KThread2Priority);
+	if (r!=KErrNone)
+		return r;
+	WaitT.Resume();
+	RThread::Rendezvous(KErrNone);
+	FOREVER
+		{
+		rt.Wait();
+		if (RandomSignalCount && !--RandomSignalCount)
+			{
+			RandomSignalCount = RandomSignalInterval;
+			Sem.Signal();
+			}
+		}
+	}
+
+TInt WaitThread(TAny*)
+	{
+	TUint32 t1, t2;
+	FOREVER
+		{
+		t1 = User::NTickCount();
+		TInt r = Sem.Wait(KTimeout*1000);
+		t2 = User::NTickCount();
+		++TotalCount;
+		if (r == KErrTimedOut)
+			{
+			++TimeoutCount;
+			TInt d = (TInt)(t2-t1);
+			if (d<KTimeout)
+				++BadCount;
+			if (d==0)
+				++Bad0Count;
+			if (d==1)
+				++Bad1Count;
+			}
+		}
+	}
+
+GLDEF_C TInt E32Main()
+	{
+	test.Title();
+
+	test.Start(_L("Load device driver"));
+	TInt r = User::LoadLogicalDevice(_L("d_rndtim.ldd"));
+	if (r == KErrNotFound)
+		{
+		test.Printf(_L("Test not supported on this platform\n"));
+		test.End();
+		return 0;
+		}
+
+	test.Next(_L("Create semaphore"));
+	r = Sem.CreateLocal(0);
+	test(r==KErrNone);
+
+	test.Next(_L("Create ISR thread"));
+	r=IsrT.Create(KLitThread1Name, &IsrThread, 0x1000, NULL, NULL);
+	test(r==KErrNone);
+
+	test.Next(_L("Create wait thread"));
+	r=WaitT.Create(KLitThread2Name, &WaitThread, 0x1000, NULL, NULL);
+	test(r==KErrNone);
+
+	TRequestStatus s;
+	IsrT.Rendezvous(s);
+	test(s==KRequestPending);
+
+	IsrT.Resume();
+	User::WaitForRequest(s);
+	test(s==KErrNone);
+	test(IsrT.ExitType() == EExitPending);
+	test(WaitT.ExitType() == EExitPending);
+
+	test.Printf(_L("%d random timers in 1024ms"), Calibration);
+	TUint32 interval = (KTimeout * Calibration + 512)/1024;
+	test.Printf(_L("Interval %d"), interval);
+	RandomSignalInterval = interval;
+	RandomSignalCount = interval;
+
+	FOREVER
+		{
+		test.Printf(_L("Total: %8d Timeout: %8d Bad: %4d Bad0: %4d Bad1: %4d\n"), TotalCount, TimeoutCount, BadCount, Bad0Count, Bad1Count);
+		User::After(1000000);
+		}
+
+
+	return 0;
+	}