From: Jim Meyering <jim@meyering.net>
Date: Wed, 24 Mar 2004 12:13:12 +0000 (+0000)
Subject: Avoid race condition that could cause
X-Git-Tag: v5.3.0~1956
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d78b8bd47ad7dfe63a9ce84fd6cf33c20de5765;p=thirdparty%2Fcoreutils.git

Avoid race condition that could cause
spurious failure.  Based on a patch from Andreas Schwab.
---

diff --git a/tests/tail-2/assert b/tests/tail-2/assert
index 49e62c40e2..a837798f3d 100755
--- a/tests/tail-2/assert
+++ b/tests/tail-2/assert
@@ -30,9 +30,15 @@ tail --follow=name a foo > err 2>&1 &
 tail_pid=$!
 # Arrange for the tail process to die after 12 seconds.
 (sleep 12; kill $tail_pid) &
-rm -f foo
+
 echo sleeping for 7 seconds...
-sleep 7
+
+# Give the backgrounded `tail' a chance to start before removing foo.
+# Otherwise, without --retry, tail wouldn't try to open `foo' again.
+sleep 1
+
+rm -f foo
+sleep 6
 echo $ok > f
 mv f foo