* progmodes/cc-cmds.el (c-beginning-of-defun, c-end-of-defun):

Push the mark at the start of these functions when appropriate.

lisp/ChangeLog

+2010-05-12  Alan Mackenzie  <acm@muc.de>
+
+	* progmodes/cc-cmds.el (c-beginning-of-defun, c-end-of-defun):
+	Push the mark at the start of these functions when appropriate.
+
 2010-05-12  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* minibuffer.el (completion-cycle-threshold): New custom var.

lisp/progmodes/cc-cmds.el

@@ -1501,6 +1501,11 @@ defun."
   (interactive "p")
   (or arg (setq arg 1))
 
+  (or (not (eq this-command 'c-beginning-of-defun))
+      (eq last-command 'c-beginning-of-defun)
+      (and transient-mark-mode mark-active)
+      (push-mark))
+
   (c-save-buffer-state
       (beginning-of-defun-function end-of-defun-function
        (start (point))
@@ -1604,6 +1609,11 @@ the open-parenthesis that starts a defun; see `beginning-of-defun'."
   (interactive "p")
   (or arg (setq arg 1))
 
+  (or (not (eq this-command 'c-end-of-defun))
+      (eq last-command 'c-end-of-defun)
+      (and transient-mark-mode mark-active)
+      (push-mark))
+
   (c-save-buffer-state
       (beginning-of-defun-function end-of-defun-function
        (start (point))