+#ifndef SM_GC_H
+#define SM_GC_H
+
+BEGIN_RTS_PRIVATE
+
+void GarbageCollect(rtsBool force_major_gc, nat gc_type, Capability *cap);
+
+typedef void (*evac_fn)(void *user, StgClosure **root);
+
+StgClosure * isAlive ( StgClosure *p );
+void markCAFs ( evac_fn evac, void *user );