deque: wrong bug fix before...now the correct one

diff --git a/chase-lev-deque/main.c b/chase-lev-deque/main.c
index 77ea5a850451d06c9e66eb627ade7ab4dd0e6946..ee69867f2ebb37d1aa1cd4d9c0bb9f19c0ef2926 100644 (file)
--- a/chase-lev-deque/main.c
+++ b/chase-lev-deque/main.c
@@ -11,7 +11,9 @@ int a;
 int b;
 
 static void task(void * param) {
-       a=steal(q);
+       do {
+               a=steal(q);
+       } while(a==EMPTY);
 }
 
 int user_main(int argc, char **argv)
@@ -21,9 +23,7 @@ int user_main(int argc, char **argv)
        thrd_create(&t, task, 0);
        push(q, 1);
        push(q, 2);
-       do {
-               b=take(q);
-       }       while(b==EMPTY);
+       b=take(q);
        thrd_join(t);
        if (a+b!=3)
                printf("a=%d b=%d\n",a,b);