X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fmips%2Fmacros.lisp;h=943df6304581979fae2fad1847edfb9702927c05;hb=1d46d379bb7a6424524b978f213ef69be5f1ad69;hp=63bd0c33dee91fffc3f87f9dc03c63a4f35e70f0;hpb=c5759c03562c984984e368c2ab85a21dceb719ab;p=sbcl.git

diff --git a/src/compiler/mips/macros.lisp b/src/compiler/mips/macros.lisp
index 63bd0c3..943df63 100644
--- a/src/compiler/mips/macros.lisp
+++ b/src/compiler/mips/macros.lisp
@@ -423,3 +423,12 @@
 		 (- (+ (* ,offset n-word-bytes) (* index ,scale)) ,lowtag))
 	   (move result value))))))
 
+
+(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))