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-rw-r--r--include/ruby/ruby.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index 2a33b84dd7..4bac7d3031 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -1008,6 +1008,10 @@ void *rb_check_typeddata(VALUE, const rb_data_type_t *);
#define RUBY_TYPED_DEFAULT_FREE RUBY_DEFAULT_FREE
#define RUBY_TYPED_NEVER_FREE RUBY_NEVER_FREE
+/* bits for rb_data_type_struct::flags */
+#define RUBY_TYPED_FREE_IMMEDIATELY 1 /* TYPE field */
+#define RUBY_TYPED_WB_PROTECTED FL_WB_PROTECT
+
#define Data_Wrap_Struct(klass,mark,free,sval)\
rb_data_object_alloc((klass),(sval),(RUBY_DATA_FUNC)(mark),(RUBY_DATA_FUNC)(free))