(XTread_socket): Handle Xatom_wm_save_yourself by calling XSetCommand.

1 files changed, 15 insertions, 0 deletions

diff --git a/src/xterm.c b/src/xterm.c
index 1eccf57cae4..f2b0449a991 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -178,6 +178,10 @@ static FONT_TYPE *icon_font_info;
 extern Lisp_Object Vcommand_line_args;
 char *hostname, *x_id_name;
 
+/* Initial values of argv and argc.  */
+extern char **initial_argv;
+extern int initial_argc;
+
 /* This is the X connection that we are using.  */
 
 Display *x_current_display;
@@ -3440,6 +3444,17 @@ XTread_socket (sd, bufp, numchars, waitp, expected)
                        a keyboard or mouse event arrives. */
                     if (numchars > 0)
                       {
+                        /* This is just so we only give real data once
+                           for a single Emacs process.  */
+                        if (event.xclient.window
+                            == FRAME_X_WINDOW (selected_frame))
+                          XSetCommand (x_current_display,
+                                       event.xclient.window,
+                                       initial_argv, initial_argc);
+                        else
+                          XSetCommand (x_current_display,
+                                       event.xclient.window,
+                                       0, 0);
                       }
                   }
                 else if (event.xclient.data.l[0] == Xatom_wm_delete_window)