Add explanatory comments to threads tests.

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

diff --git a/src/tests/threads/priority-condvar.c b/src/tests/threads/priority-condvar.c
index 0d34380ca7739772df3f22a6710f91076ab59ff6..51008abdb71d9e61f34a8757c477fe59d7d1981a 100644 (file)
--- a/src/tests/threads/priority-condvar.c
+++ b/src/tests/threads/priority-condvar.c
@@ -1,3 +1,6 @@
+/* Tests that cond_signal() wakes up the highest-priority thread
+   waiting in cond_wait(). */
+
 #include <stdio.h>
 #include "tests/threads/tests.h"
 #include "threads/init.h"