0.8.3.23

[sbcl.git] / src / compiler / sparc / macros.lisp

diff --git a/src/compiler/sparc/macros.lisp b/src/compiler/sparc/macros.lisp
index 6ab3463..70e1fbd 100644 (file)
--- a/src/compiler/sparc/macros.lisp
+++ b/src/compiler/sparc/macros.lisp
@@ -198,8 +198,7 @@
   Emit code for a continuable error with the specified Error-Code and
   context Values.  If the error is continued, execution resumes after
   the GENERATE-CERROR-CODE form."
-  (let ((continue (gensym "CONTINUE-LABEL-"))
-       (error (gensym "ERROR-LABEL-")))
+  (with-unique-names (continue error)
     `(let ((,continue (gen-label)))
        (emit-label ,continue)
        (assemble (*elsewhere*)
@@ -207,8 +206,6 @@
           (emit-label ,error)
           (cerror-call ,vop ,continue ,error-code ,@values)
           ,error)))))
-
-
 \f
 ;;; a handy macro for making sequences look atomic
 (defmacro pseudo-atomic ((&key (extra 0)) &rest forms)
@@ -228,3 +225,12 @@
        ;; The C code needs to process this correctly and fixup alloc-tn.
        (inst t :ne pseudo-atomic-trap)))))
 
+
+(defmacro sb!sys::with-pinned-objects ((&rest objects) &body body)
+  "Arrange with the garbage collector that the pages occupied by
+OBJECTS will not be moved in memory for the duration of BODY.
+Useful for e.g. foreign calls where another thread may trigger
+garbage collection.  This is currently implemented by disabling GC"
+  (declare (ignore objects))           ;should we eval these for side-effect?
+  `(without-gcing
+    ,@body))