# HG changeset patch
# User Brendan Cully <brendan@kublai.com>
# Date 1374091332 25200
# Node ID b927ccf0f27d72710f0c819a7d2c21c9a432841b
# Parent  a4de0d3dc35a74b2c4ea5f1d9f45bdd5f31c4a2b
run-tests: only lock Popen wait/poll on python 2.4

It can cause scheduling bubbles and is not necessary on newer pythons.

diff -r a4de0d3dc35a -r b927ccf0f27d tests/run-tests.py
--- a/tests/run-tests.py	Wed Jul 17 12:45:12 2013 -0700
+++ b/tests/run-tests.py	Wed Jul 17 13:02:12 2013 -0700
@@ -76,8 +76,9 @@
                          close_fds=closefds,
                          stdin=subprocess.PIPE, stdout=subprocess.PIPE,
                          stderr=subprocess.STDOUT)
-    p.wait = waitlocked(p.wait)
-    p.poll = waitlocked(p.poll)
+    if sys.version_info[1] < 5:
+        p.wait = waitlocked(p.wait)
+        p.poll = waitlocked(p.poll)
     processlock.release()
 
     p.fromchild = p.stdout