Add explanatory comments to threads tests.

[pintos-anon] / src / tests / threads / priority-sema.c

diff --git a/src/tests/threads/priority-sema.c b/src/tests/threads/priority-sema.c
index 743b05aecd4907140054f83f60dbd520ca467e16..8ca17a0aa9c3991f0b7b14b38e4b9f60051067e7 100644 (file)
--- a/src/tests/threads/priority-sema.c
+++ b/src/tests/threads/priority-sema.c
@@ -1,3 +1,6 @@
+/* Tests that the highest-priority thread waiting on a semaphore
+   is the first to wake up. */
+
 #include <stdio.h>
 #include "tests/threads/tests.h"
 #include "threads/init.h"