X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftests%2Fuserprog%2Fread-bad-fd.c;h=a8b190d0d4b6092609ba0826eb2a49c4b4936f36;hb=d4067a3abb1ef4537030835952e32f22f0063529;hp=029f647f0b2534d6c50daf9566e303457d0fa194;hpb=615bf3b3d2a8573ed6fb9ddc0055745e163ac999;p=pintos-anon

diff --git a/src/tests/userprog/read-bad-fd.c b/src/tests/userprog/read-bad-fd.c
index 029f647..a8b190d 100644
--- a/src/tests/userprog/read-bad-fd.c
+++ b/src/tests/userprog/read-bad-fd.c
@@ -1,3 +1,7 @@
+/* Tries to read from an invalid fd,
+   which must either fail silently or terminate the process with
+   exit code -1. */
+
 #include <limits.h>
 #include <syscall.h>
 #include "tests/lib.h"