--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/thread/smpsafe.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,102 @@
+// Copyright (c) 2008-2009 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\thread\smpsafe.cpp
+// 
+//
+
+#include <e32std.h>
+#include <e32std_private.h>
+#include <e32atomics.h>
+
+IMPORT_C void DoNothingA();
+IMPORT_C void DoNothingB();
+IMPORT_C void DoNothingC();
+IMPORT_C void DoNothingD();
+IMPORT_C void DoNothingE();
+
+#ifdef MAKE_DLL
+
+#ifdef PROVIDE_A
+EXPORT_C void DoNothingA() {}
+#endif
+
+#ifdef PROVIDE_B
+EXPORT_C void DoNothingB() { DoNothingA(); }
+#endif
+
+#ifdef PROVIDE_C
+EXPORT_C void DoNothingC() { DoNothingD(); DoNothingE(); }
+#endif
+
+#ifdef PROVIDE_D
+EXPORT_C void DoNothingD() { DoNothingC(); }
+#endif
+
+#ifdef PROVIDE_E
+EXPORT_C void DoNothingE() { DoNothingC(); }
+#endif
+
+#else // !MAKE_DLL
+
+TInt Affinity;
+
+TInt AffinitySlave(TAny*)
+	{
+	for (;;)
+		{
+		__e32_atomic_store_rel32(&Affinity, 0); // we can't be locked if this runs
+		User::AfterHighRes(1);
+		}
+	}
+
+TInt CheckAffinity()
+	{
+	__e32_atomic_store_rel32(&Affinity, 1); // assume we are locked to a single cpu
+
+	RThread t;
+	TInt r = t.Create(_L("AffinitySlave"), AffinitySlave, KDefaultStackSize, NULL, NULL);
+	if (r != KErrNone)
+		return r;
+
+	TRequestStatus s;
+	t.Logon(s);
+	t.SetPriority(EPriorityLess);
+	t.Resume();
+
+	TUint32 target = User::NTickCount() + 10;
+	while (User::NTickCount() < target) {}
+
+	r = __e32_atomic_load_acq32(&Affinity);
+
+	t.Kill(0);
+	User::WaitForRequest(s);
+	t.Close();
+
+	return r;
+	}
+
+#ifndef OMIT_MAIN
+GLDEF_C TInt E32Main()
+	{
+#ifdef USE_A
+	DoNothingA();
+#endif
+#ifdef USE_B
+	DoNothingB();
+#endif
+	return CheckAffinity();
+	}
+#endif // OMIT_MAIN
+
+#endif