C callbacks cleaned up and ported to new API

[clg] / glib / gerror.lisp

diff --git a/glib/gerror.lisp b/glib/gerror.lisp
index a1554a6668b56ebcfa1c7135ffb8cedf2ebc8480..05bf4b56672b109eb97c4e95f90d77af5102192f 100644 (file)
--- a/glib/gerror.lisp
+++ b/glib/gerror.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: gerror.lisp,v 1.2 2005/04/23 16:48:50 espen Exp $
+;; $Id: gerror.lisp,v 1.4 2006/02/19 19:31:14 espen Exp $
 
 
 (in-package "GLIB")
@@ -65,6 +65,15 @@ (defun signal-gerror (gerror)
     (error condition :code (gerror-code gerror) :message (gerror-message gerror))))
 
 
+(deftype gerror-signal () 'gerror)
+
+(defmethod from-alien-form (gerror (type (eql 'gerror-signal)) &rest args)
+  (declare (ignore type args))
+  `(let ((gerror ,(from-alien-form gerror 'gerror)))
+     (when gerror
+       (signal-gerror gerror))))
+
+ 
 ;;; Message logging
 
 (eval-when (:compile-toplevel :load-toplevel :execute)
@@ -106,10 +115,8 @@ (define-condition debug-log-level (log-level)
 
 (defparameter *fatal-log-levels* '(error-log-level critical-log-level))
 
-(defcallback log-handler (nil 
-                          (domain (copy-of string))
-                          (log-level log-levels)
-                          (message (copy-of string)))
+(define-callback log-handler nil 
+    ((domain string) (log-level log-levels) (message string))
   (let ((fatal-p (or
                  (find :fatal log-level)
                  (some 
@@ -123,7 +130,8 @@ (defcallback log-handler (nil
     (funcall (if fatal-p #'error #'warn) condition
      :domain domain :message message)))
 
-(setf (extern-alien "log_handler" system-area-pointer) (callback log-handler))
+(setf (extern-alien "log_handler" system-area-pointer) 
+ (callback-address log-handler))
 
 
 #+glib2.6
@@ -134,6 +142,6 @@ (progn
   ;; abort (SIGABORT being signaled). To make things even worse, SBCL
   ;; doesn't handle SIGABRT at all.
   (defbinding %log-set-default-handler () pointer
-    ((callback log-handler) pointer)
+    ((progn log-handler) callback)
     (nil null))
   (%log-set-default-handler))