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-rw-r--r--vm_callinfo.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/vm_callinfo.h b/vm_callinfo.h
index b3de14dcab..8b575f11c6 100644
--- a/vm_callinfo.h
+++ b/vm_callinfo.h
@@ -1,3 +1,14 @@
+#ifndef RUBY_VM_CALLINFO_H /*-*-C-*-vi:se ft=c:*/
+#define RUBY_VM_CALLINFO_H
+/**
+ * @file
+ * @author Ruby developers <ruby-core@ruby-lang.org>
+ * @copyright This file is a part of the programming language Ruby.
+ * Permission is hereby granted, to either redistribute and/or
+ * modify this file, provided that the conditions mentioned in the
+ * file COPYING are met. Consult the file for details.
+ */
+
#include "debug_counter.h"
enum vm_call_flag_bits {
@@ -426,3 +437,5 @@ vm_ccs_p(const struct rb_class_cc_entries *ccs)
// gc.c
void rb_vm_ccs_free(struct rb_class_cc_entries *ccs);
+
+#endif /* RUBY_VM_CALLINFO_H */