From: Zac Medico <zmedico@gentoo.org>
Date: Sun, 29 Jul 2007 02:09:22 +0000 (-0000)
Subject: For pty logging, handle the EAGAIN error that is thrown from fcntl when the slave... 
X-Git-Tag: v2.2_pre1~926
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=7087600444743c5b8675bc5e034bac0988d72980;p=portage.git

For pty logging, handle the EAGAIN error that is thrown from fcntl when the slave end of the pty is closed on FreeBSD.

svn path=/main/trunk/; revision=7424
---

diff --git a/pym/portage/__init__.py b/pym/portage/__init__.py
index b4c297e28..e5730203d 100644
--- a/pym/portage/__init__.py
+++ b/pym/portage/__init__.py
@@ -2469,8 +2469,16 @@ def spawn(mystring, mysettings, debug=0, free=0, droppriv=0, sesandbox=0, fakero
 			for f in events[0]:
 				# Use non-blocking mode to prevent read
 				# calls from blocking indefinitely.
-				fcntl.fcntl(f.fileno(), fcntl.F_SETFL,
-					fd_flags[f] | os.O_NONBLOCK)
+				try:
+					fcntl.fcntl(f.fileno(), fcntl.F_SETFL,
+						fd_flags[f] | os.O_NONBLOCK)
+				except EnvironmentError, e:
+					if e.errno != errno.EAGAIN:
+						raise
+					del e
+					# The EAGAIN error signals eof on FreeBSD.
+					eof = True
+					break
 				buf = array.array('B')
 				try:
 					buf.fromfile(f, buffsize)