# HG changeset patch
# User David Soria Parra <dsp@php.net>
# Date 1336808592 -7200
# Node ID 2fdd1902ed2d0862afd51f956379b0effac4e884
# Parent  9e40bc4c1bdee81f41be17c20174a2aa168f0db7
pager: check if signal.SIGPIPE exists

We have to check for signal.SIGPIPE before we attempt
to set it.

diff -r 9e40bc4c1bde -r 2fdd1902ed2d hgext/pager.py
--- a/hgext/pager.py	Sat May 12 10:02:47 2012 +0200
+++ b/hgext/pager.py	Sat May 12 09:43:12 2012 +0200
@@ -85,10 +85,8 @@
                  (cmd not in ui.configlist('pager', 'ignore') and not attend))):
                 ui.setconfig('ui', 'formatted', ui.formatted())
                 ui.setconfig('ui', 'interactive', False)
-                try:
+                if util.safehasattr(signal, "SIGPIPE"):
                     signal.signal(signal.SIGPIPE, signal.SIG_DFL)
-                except ValueError:
-                    pass
                 _runpager(p)
         return orig(ui, options, cmd, cmdfunc)