diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDITarget.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDITarget.java
index 40324a8dc90..404f6165481 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDITarget.java
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDITarget.java
@@ -53,6 +53,12 @@ public interface ICDITarget extends ICDIObject {
 	 */
 	ICDIThread[] getThreads() throws CDIException;
 
+	/**
+	 * Set the current thread on the target.
+	 * @param - ICDThread
+	 */
+	void setCurrentThread(ICDIThread current) throws CDIException;
+
 	/**
 	 * Returns a memory block that starts at the specified memory 
 	 * address, with the specified length.
diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDIThread.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDIThread.java
index 8b37eb35283..9c532deedcf 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDIThread.java
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDIThread.java
@@ -28,6 +28,12 @@ public interface ICDIThread extends ICDIObject {
 	 */
 	ICDIStackFrame[] getStackFrames() throws CDIException;
 
+	/**
+	 * Set the curretn Stack for the thread.
+	 * @param - ICDIStackFrame
+	 */
+	void setCurrentStackFrame(ICDIStackFrame current) throws CDIException;
+
 	/**
 	 * Returns whether this thread is currently suspended.
 	 *