X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=grading%2Flib%2FPintos%2FGrading.pm;h=c2072a4f1c4714eb85a5f00e168f259c9698f4b5;hb=6e37e2d09df0c11d77e0516cbc03c850eb72b8da;hp=36599a0afbdd9957374843f0d50ee314d629a52c;hpb=44743cfb8f178f9e23f9a31b5057f42b797b521a;p=pintos-anon

diff --git a/grading/lib/Pintos/Grading.pm b/grading/lib/Pintos/Grading.pm
index 36599a0..c2072a4 100644
--- a/grading/lib/Pintos/Grading.pm
+++ b/grading/lib/Pintos/Grading.pm
@@ -16,6 +16,11 @@ use POSIX;
 use Getopt::Long qw(:config no_ignore_case);
 use Algorithm::Diff;
 
+# We execute lots of subprocesses.
+# Without this, our stdout output can get flushed multiple times,
+# which is harmless but looks bizarre.
+$| = 1;
+
 sub parse_cmd_line {
     my ($do_regex, $no_regex);
     GetOptions ("v|verbose+" => \$verbose,