[Swift-commit] r4737 - trunk/src/org/griphyn/vdl/karajan

[hategan at ci.uchicago.edu]

Author: hategan
Date: 2011-07-02 20:57:32 -0500 (Sat, 02 Jul 2011)
New Revision: 4737

Modified:
   trunk/src/org/griphyn/vdl/karajan/WaitingThreadsMonitor.java
Log:
in some cases there is no stack

Modified: trunk/src/org/griphyn/vdl/karajan/WaitingThreadsMonitor.java
===================================================================
--- trunk/src/org/griphyn/vdl/karajan/WaitingThreadsMonitor.java	2011-07-03 01:56:38 UTC (rev 4736)
+++ trunk/src/org/griphyn/vdl/karajan/WaitingThreadsMonitor.java	2011-07-03 01:57:32 UTC (rev 4737)
@@ -14,7 +14,9 @@
 	private static Set threads;
 	
 	public synchronized static void addThread(VariableStack stack) {
-		getThreads().add(stack);
+	    if (stack != null) {
+	        getThreads().add(stack);
+	    }
 	}
 	
 	private static synchronized Set getThreads() {