random: Fix behavior of kernel option "-rs".

[pintos-anon] / src / tests / userprog / read-stdout.c

diff --git a/src/tests/userprog/read-stdout.c b/src/tests/userprog/read-stdout.c
index 0018e4f64d13612e704d611a0bb44a2a008d9ca7..d0630b961d17130f7117e669d43b62b2a59dac71 100644 (file)
--- a/src/tests/userprog/read-stdout.c
+++ b/src/tests/userprog/read-stdout.c
@@ -1,3 +1,7 @@
+/* Try reading from fd 1 (stdout), 
+   which may just fail or terminate the process with -1 exit
+   code. */
+
 #include <stdio.h>
 #include <syscall.h>
 #include "tests/main.h"