Clearing stack allocated memory

[clg] / glib / proxy.lisp

diff --git a/glib/proxy.lisp b/glib/proxy.lisp
index 2f0bf75951bf055151894ba28b1247b6ea91d560..a114325ca5e09685150229a03f5b3e1dcf6563e7 100644 (file)
--- a/glib/proxy.lisp
+++ b/glib/proxy.lisp
@@ -20,7 +20,7 @@
 ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-;; $Id: proxy.lisp,v 1.33 2006/02/15 09:45:41 espen Exp $
+;; $Id: proxy.lisp,v 1.35 2006/02/19 19:23:23 espen Exp $
 
 (in-package "GLIB")
 
@@ -205,6 +205,10 @@ (defmethod compute-effective-slot-definition-initargs ((class virtual-slots-clas
        (let ((boundp (most-specific-slot-value direct-slotds 'boundp)))
         (unless (eq boundp *unbound-marker*)
           (setf (getf initargs :boundp) boundp)))
+       ;; Need this to prevent type expansion in SBCL >= 0.9.8
+       (let ((type (most-specific-slot-value direct-slotds 'type)))
+        (unless (eq type *unbound-marker*)
+          (setf (getf initargs :type) type)))
        (nconc initargs (call-next-method))))
     (direct-special-slot-definition
      (append '(:special t) (call-next-method)))
@@ -656,6 +660,13 @@ (defmethod reader-function ((class struct-class) &rest args)
        (unless (null-pointer-p instance)
          (ensure-proxy-instance class instance :weak t)))))
 
+(defmethod callback-from-alien-form (form (class struct-class) &rest args)
+  `(ensure-proxy-instance ',(class-name class) ,form :weak t))
+
+(defmethod callback-cleanup-form (form (class struct-class) &rest args)
+  (declare (ignore class))
+  `(invalidate-instance ,form))
+
 
 ;;; Pseudo type for structs which are inlined in other objects