Virtual Me2Me: Redirect stdin of Xsession to /dev/null.

remoting/tools/me2me_virtual_host.py

Index: remoting/tools/me2me_virtual_host.py
diff --git a/remoting/tools/me2me_virtual_host.py b/remoting/tools/me2me_virtual_host.py
index 19987b2576b477f97a97436d7695815e191fd49b..5396cee9b9fb1e0669ad284db465ea6a76de3922 100755
--- a/remoting/tools/me2me_virtual_host.py
+++ b/remoting/tools/me2me_virtual_host.py
@@ -254,7 +254,13 @@ class Desktop:
 
   def launch_x_session(self):
     # Start desktop session
+    # The /dev/null input redirection is necessary to prevent Xsession from
+    # reading from stdin.  If this code runs as a shell background job in a
+    # terminal, any reading from stdin causes the job to be suspended.
+    # Daemonization would solve this problem by separating the process from the
+    # controlling terminal.
     session_proc = subprocess.Popen("/etc/X11/Xsession",
+                                    stdin=open("/dev/null", "r"),
                                     cwd=os.environ["HOME"],
                                     env=self.child_env)
     if not session_proc.pid: