0.8.9.46:

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

diff --git a/src/compiler/sparc/macros.lisp b/src/compiler/sparc/macros.lisp
index 68bf325..70e1fbd 100644 (file)
--- a/src/compiler/sparc/macros.lisp
+++ b/src/compiler/sparc/macros.lisp
@@ -224,3 +224,13 @@
        (inst andcc zero-tn alloc-tn 3)
        ;; 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))