According to the man pages on Gentoo Linux and Tru64, EACCES or EAGAIN

can be returned if fcntl (lockf) fails.  This fixes the test failure
on Tru64 by checking for either error rather than just EAGAIN.

diff --git a/Lib/mailbox.py b/Lib/mailbox.py
index 02fbb854c60eac9b2a17026877ff83d2295f2681..d054628c7a869a58193d9fa155d18836a1f5062b 100755 (executable)
--- a/Lib/mailbox.py
+++ b/Lib/mailbox.py
@@ -1805,7 +1805,7 @@ def _lock_file(f, dotlock=True):
             try:
                 fcntl.lockf(f, fcntl.LOCK_EX | fcntl.LOCK_NB)
             except IOError, e:
-                if e.errno == errno.EAGAIN:
+                if e.errno in (errno.EAGAIN, errno.EACCES):
                     raise ExternalClashError('lockf: lock unavailable: %s' %
                                              f.name)
                 else: