From: Brian Demsky <bdemsky@uci.edu>
Date: Thu, 14 Mar 2013 22:39:14 +0000 (-0700)
Subject: fix memory leak
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=commitdiff_plain;h=15762db4e64b528f90fd9bf63a901d4b56b4bc4c

fix memory leak

when we reuse nodes in the nodestack, we will recreate yield information and leak the old array...
---

diff --git a/nodestack.cc b/nodestack.cc
index c757af25..b9142435 100644
--- a/nodestack.cc
+++ b/nodestack.cc
@@ -96,7 +96,8 @@ int Node::get_yield_data(int tid1, int tid2) const {
 }
 
 void Node::update_yield(Scheduler * scheduler) {
-	yield_data=(int *) model_calloc(1, sizeof(int)*num_threads*num_threads);
+	if (yield_data==NULL)
+		yield_data=(int *) model_calloc(1, sizeof(int)*num_threads*num_threads);
 	//handle base case
 	if (parent == NULL) {
 		for(int i = 0; i < num_threads*num_threads; i++) {