X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftests%2Fuserprog%2Fwrite-bad-fd.c;h=f3b11517e6a0ee9293f695857fdd4c77ec674d22;hb=a03618133f7df0954802a470a4bee7674f7aed45;hp=af9a7f25233da5c247fa3917c91e97c4008054c2;hpb=615bf3b3d2a8573ed6fb9ddc0055745e163ac999;p=pintos-anon

diff --git a/src/tests/userprog/write-bad-fd.c b/src/tests/userprog/write-bad-fd.c
index af9a7f2..f3b1151 100644
--- a/src/tests/userprog/write-bad-fd.c
+++ b/src/tests/userprog/write-bad-fd.c
@@ -1,3 +1,7 @@
+/* Tries to write to an invalid fd,
+   which must either fail silently or terminate the process with
+   exit code -1. */
+
 #include <limits.h>
 #include <syscall.h>
 #include "tests/main.h"