Index: trunk/Ohana/src/opihi/pantasks/delete.c
===================================================================
--- trunk/Ohana/src/opihi/pantasks/delete.c	(revision 13542)
+++ trunk/Ohana/src/opihi/pantasks/delete.c	(revision 23530)
@@ -11,7 +11,9 @@
     JobID = atoi (argv[2]);
 
+    JobTaskLock();
     job = FindJob (JobID);
     if (job == NULL) {
       gprint (GP_LOG, "job not found\n");
+      JobTaskUnlock();
       return (TRUE);
     }
@@ -21,4 +23,5 @@
 	job[0].state = JOB_HUNG;
 	if (VerboseMode()) gprint (GP_LOG, "child process %d is hung, cannot kill\n", job[0].pid);
+	JobTaskUnlock();
 	return (FALSE);
       }
@@ -27,4 +30,5 @@
 	job[0].state = JOB_HUNG;
 	if (VerboseMode()) gprint (GP_LOG, "child process %d is hung, cannot kill\n", job[0].pid);
+	JobTaskUnlock();
 	return (FALSE);
       }
@@ -32,4 +36,5 @@
     DeleteJob (job);
     gprint (GP_LOG, "job removed\n");
+    JobTaskUnlock();
     return (TRUE);
   }
@@ -41,7 +46,7 @@
 
 usage:
-    gprint (GP_ERR, "USAGE: delete job (JobID)\n");
-    gprint (GP_ERR, "USAGE: delete task (TaskName)\n");
-    return (FALSE);
+  gprint (GP_ERR, "USAGE: delete job (JobID)\n");
+  gprint (GP_ERR, "USAGE: delete task (TaskName)\n");
+  return (FALSE);
 }