Get rid of unnecessary barrier. Improve comment.

[pintos-anon] / grading / userprog / multi-child-fd.c

diff --git a/grading/userprog/multi-child-fd.c b/grading/userprog/multi-child-fd.c
index 4a8c89fae509f67ab2b4693c6e9ffa951375299c..7b1bc9a912fc9e5efa15ce318a49106ae7803ac1 100644 (file)
--- a/grading/userprog/multi-child-fd.c
+++ b/grading/userprog/multi-child-fd.c
@@ -20,11 +20,11 @@ main (void)
 
   snprintf (child_cmd, sizeof child_cmd, "child-close %d", handle);
   
-  printf ("(multi-child-fd) join(exec()) = %d\n", join (exec (child_cmd)));
+  printf ("(multi-child-fd) wait(exec()) = %d\n", wait (exec (child_cmd)));
 
   byte_cnt = read (handle, actual, sizeof actual - 1);
   if (byte_cnt != sizeof actual - 1)
-    printf ("(multi-child-fd) fail: read() returned %d instead of %d\n",
+    printf ("(multi-child-fd) fail: read() returned %d instead of %zu\n",
             byte_cnt, sizeof actual - 1);
   else if (strcmp (sample, actual))
     printf ("(multi-child-fd) fail: expected text differs from actual:\n%s",