[MULTI_PERDISPLAY] (get_perdisplay): Define this as a macro, for sources that

include this header.
[MULTI_PERDISPLAY] (get_perdisplay_macro): Internal macro version.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/xterm.h b/src/xterm.h
index 5d40b1f3fa..9b90e9536f 100644
--- a/src/xterm.h
+++ b/src/xterm.h
@@ -305,6 +305,16 @@ extern struct x_display_info *x_display_info_for_display ();
 extern struct x_display_info *x_display_info_for_name ();
 
 extern struct x_display_info *x_term_init ();
+
+#ifdef MULTI_PERDISPLAY
+/* The perdisplay structure itself has to be accessible in files that don't
+   need to know about X.  So we'll define get_perdisplay as a function to
+   retrieve that structure opaquely.  But sources that include this header
+   will automatically get the macro version, and save a function call.  */
+
+#define get_perdisplay_macro(f) (&(f)->display.x->display_info->perdisplay)
+#define get_perdisplay(f) get_perdisplay_macro (f)
+#endif
 
 /* Each X frame object points to its own struct x_display object
    in the display.x field.  The x_display structure contains all