avoid doing a stream_select on a closed stream

diff --git a/run-tests.php b/run-tests.php
index 317f6077a3dc9a047736e9ebef0c3bc27795d1a1..25e480728f49145dde2e0d22f541c08516bd68b6 100755 (executable)
--- a/run-tests.php
+++ b/run-tests.php
@@ -1088,6 +1088,7 @@ function system_with_timeout($commandline, $env = null, $stdin = null)
                fwrite($pipes[0], $stdin);
        }
        fclose($pipes[0]);
+       unset($pipes[0]);
 
        $timeout = $leak_check ? 300 : (isset($env['TEST_TIMEOUT']) ? $env['TEST_TIMEOUT'] : 60);