From: Brian Demsky <bdemsky@uci.edu>
Date: Thu, 7 Mar 2013 03:03:53 +0000 (-0800)
Subject: deque: bug fix...method could return empty
X-Git-Tag: oopsla2013-final~27^2~3
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=model-checker-benchmarks.git;a=commitdiff_plain;h=510a66b137541be02613138e522213cdc4b9e9d5

deque: bug fix...method could return empty
---

diff --git a/chase-lev-deque/main.c b/chase-lev-deque/main.c
index 64d0444..77ea5a8 100644
--- a/chase-lev-deque/main.c
+++ b/chase-lev-deque/main.c
@@ -21,7 +21,9 @@ int user_main(int argc, char **argv)
 	thrd_create(&t, task, 0);
 	push(q, 1);
 	push(q, 2);
-	b=take(q);
+	do {
+		b=take(q);
+	}	while(b==EMPTY);
 	thrd_join(t);
 	if (a+b!=3)
 		printf("a=%d b=%d\n",a,b);