SpawnProcess: use os.open for /dev/null input

diff --git a/pym/_emerge/SpawnProcess.py b/pym/_emerge/SpawnProcess.py
index 05c4768d4a7ef2f93f1b056bb680d3dc220c6a76..9fbc9647260807ba71914a23086297287c0d8843 100644 (file)
--- a/pym/_emerge/SpawnProcess.py
+++ b/pym/_emerge/SpawnProcess.py
@@ -59,8 +59,8 @@ class SpawnProcess(SubProcess):
                        # access to stdin. Until then, use /dev/null so that any
                        # attempts to read from stdin will immediately return EOF
                        # instead of blocking indefinitely.
-                       null_input = open('/dev/null', 'rb')
-                       fd_pipes[0] = null_input.fileno()
+                       null_input = os.open('/dev/null', os.O_RDWR)
+                       fd_pipes[0] = null_input
 
                fd_pipes.setdefault(0, sys.stdin.fileno())
                fd_pipes.setdefault(1, sys.stdout.fileno())
@@ -123,7 +123,7 @@ class SpawnProcess(SubProcess):
 
                os.close(slave_fd)
                if null_input is not None:
-                       null_input.close()
+                       os.close(null_input)
 
                if isinstance(retval, int):
                        # spawn failed