--- lxsession-0.5.2/Makefile.am.reload	2014-11-29 23:50:05.000000000 +0900
+++ lxsession-0.5.2/Makefile.am	2016-04-30 18:58:15.077331340 +0900
@@ -424,6 +424,7 @@ lxsession_lxsession_VALAFLAGS = \
     --pkg gio-2.0 \
     --pkg posix \
     --pkg lxsettings-daemon \
+    --pkg xevent \
     $(buildinclip_VALAFLAGS) \
     $(buildinpolkit_VALAFLAGS) \
     $(NULL)
--- lxsession-0.5.2/lxsession/main.vala.reload	2014-10-05 08:49:49.000000000 +0900
+++ lxsession-0.5.2/lxsession/main.vala	2016-04-30 18:58:15.077331340 +0900
@@ -96,6 +96,17 @@ namespace Lxsession {
             return -1;
         }
 
+		if (xdpy_init() == false)
+		{
+			return 1;
+		}
+
+		if (reload == true)
+		{
+			send_internal_command(LXS_CMD.RELOAD);
+			return 0;
+		}
+
         message ("Session is %s",session);
         message ("DE is %s", desktop_environnement);
 
--- lxsession-0.5.2/lxsettings-daemon/xevent.c.reload	2014-10-05 08:49:49.000000000 +0900
+++ lxsession-0.5.2/lxsettings-daemon/xevent.c	2016-04-30 19:00:13.571166225 +0900
@@ -71,13 +71,19 @@ void send_internal_command( int cmd )
 	XSync(dpy, False);
 }
 
+gboolean xdpy_init()
+{
+	dpy = XOpenDisplay( g_getenv("DISPLAY") );
+	if( ! dpy )
+		return FALSE;
+}
+
 gboolean xevent_init()
 {
 	X11Source* xsource;
 	int fd;
 
-	dpy = XOpenDisplay( g_getenv("DISPLAY") );
-	if( ! dpy )
+	if( xdpy_init() == FALSE )
 		return FALSE;
 
 	/* according to the spec, private Atoms should prefix their names with _. */
--- lxsession-0.5.2/vapi/xevent.vapi.reload	2016-04-30 18:58:15.077331340 +0900
+++ lxsession-0.5.2/vapi/xevent.vapi	2016-04-30 18:58:15.077331340 +0900
@@ -0,0 +1,10 @@
+[CCode (cprefix = "LxsessionXEvent", cheader_filename = "lxsettings-daemon/xevent.h")]
+    public static void send_internal_command( int cmd );
+    public static bool xdpy_init();
+
+[CCode (cname = "int", cprefix = "LXS_", cheader_filename = "lxsettings-daemon/xevent.h", has_type_id = false)]
+	public enum LXS_CMD {
+		RELOAD,
+		EXIT,
+		LAST_CMD
+	}