mux: handle python 3's change to default close_fds=True

Change mux to explicitly specify close_fds=False to deal with the fact
that python apparently changed the default in 3.2, and it absolutely
does need to keep the fds open.

Signed-off-by: Rob Browning <rlb@defaultvalue.org>
Tested-by: Rob Browning <rlb@defaultvalue.org>

diff --git a/cmd/mux-cmd.py b/cmd/mux-cmd.py
index 3b5524415e5f916bfd03b846494cfc8bccc3ed69..1a500b658f6bc86c9dc052c4bf50688bcf4f6a97 100755 (executable)
--- a/cmd/mux-cmd.py
+++ b/cmd/mux-cmd.py
@@ -38,7 +38,7 @@ def close_fds():
     os.close(errr)
 
 p = subprocess.Popen(subcmd, stdin=orig_stdin, stdout=outw, stderr=errw,
-                     preexec_fn=close_fds)
+                     close_fds=False, preexec_fn=close_fds)
 os.close(outw)
 os.close(errw)
 sys.stdout.write('BUPMUX')