Add extra information to a test_signal failure message to aid diagnosis of buildbot failure.
diff --git a/Lib/test/test_signal.py b/Lib/test/test_signal.py
index c4b8e4e..466b9b6 100644
--- a/Lib/test/test_signal.py
+++ b/Lib/test/test_signal.py
@@ -367,7 +367,9 @@
if signal.getitimer(self.itimer) == (0.0, 0.0):
break # sig_vtalrm handler stopped this itimer
else:
- self.fail('timeout waiting for sig_vtalrm signal')
+ self.fail('timeout waiting for sig_vtalrm signal; '
+ 'signal.getitimer(self.itimer) gives: %s' %
+ (signal.getitimer(self.itimer),))
# virtual itimer should be (0.0, 0.0) now
self.assertEquals(signal.getitimer(self.itimer), (0.0, 0.0))