diff -r 6f8730b7758d -r f800d58f08b0 cdt/cdt_6_0_x/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/executables/ExecutablesManager.java
--- a/cdt/cdt_6_0_x/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/executables/ExecutablesManager.java	Wed Feb 24 15:38:39 2010 -0600
+++ b/cdt/cdt_6_0_x/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/executables/ExecutablesManager.java	Thu Feb 25 23:36:03 2010 -0600
@@ -105,7 +105,7 @@
 					// store the list of executables for this project
 					synchronized (executablesMap) {
 						List<Executable> executables = provider.getExecutables(project, subMonitor.newChild(1, SubMonitor.SUPPRESS_NONE));
-						if (executables != null) {
+						if (!subMonitor.isCanceled()) {
 							executablesMap.put(project, executables);
 						}
 					}