Add explanatory comments to userprog tests.

[pintos-anon] / src / tests / userprog / wait-simple.c

diff --git a/src/tests/userprog/wait-simple.c b/src/tests/userprog/wait-simple.c
index f4e209bb19f6ebc485e7d78a5e902be237870bc2..d3afcf3c63f671b65fbfcaa4538e9accd6878a81 100644 (file)
--- a/src/tests/userprog/wait-simple.c
+++ b/src/tests/userprog/wait-simple.c
@@ -1,3 +1,5 @@
+/* Wait for a subprocess to finish. */
+
 #include <syscall.h>
 #include "tests/lib.h"
 #include "tests/main.h"