Don't die on BadWindow errors when getting window context.

1 files changed, 7 insertions, 1 deletions

diff --git a/src/propmon.c b/src/propmon.c
index 85f6cee..30b9802 100644
--- a/src/propmon.c
+++ b/src/propmon.c
@@ -298,8 +298,14 @@ add_window(xcb_window_t window)
     /* Get window context */
     cookie = xcb_selinux_get_window_context(conn, window);
     reply = xcb_selinux_get_window_context_reply(conn, cookie, &error);
-    if (error)
+    if (error) {
+	/* window might have gone away */
+	if (error->error_code == XCB_WINDOW) {
+	    free(error);
+	    return;
+	}
 	APP_ERR(error, "An error was received during GetWindowContext.\n");
+    }
 
     octx = xcb_selinux_get_window_context_context(reply);