introduce USE_TRANSIENT_HEAP to enable/disable theap.

* include/ruby/ruby.h: intrdocue `USE_TRANSIENT_HEAP` macro
  to enable/disable transient heap.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65492 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 2 deletions

diff --git a/struct.c b/struct.c
index b2fd1117b8..30dfbf21e6 100644
--- a/struct.c
+++ b/struct.c
@@ -661,15 +661,16 @@ struct_heap_alloc(VALUE st, size_t len)
     VALUE *ptr = rb_transient_heap_alloc((VALUE)st, sizeof(VALUE) * len);
 
     if (ptr) {
-        FL_SET_RAW(st, RSTRUCT_TRANSIENT_FLAG);
+        RSTRUCT_TRANSIENT_SET(st);
         return ptr;
     }
     else {
-        FL_UNSET_RAW(st, RSTRUCT_TRANSIENT_FLAG);
+        RSTRUCT_TRANSIENT_UNSET(st);
         return ALLOC_N(VALUE, len);
     }
 }
 
+#if USE_TRANSIENT_HEAP
 void
 rb_struct_transient_heap_evacuate(VALUE obj, int promote)
 {
@@ -689,6 +690,7 @@ rb_struct_transient_heap_evacuate(VALUE obj, int promote)
         RSTRUCT(obj)->as.heap.ptr = new_ptr;
     }
 }
+#endif
 
 static VALUE
 struct_alloc(VALUE klass)