* gc.h (rb_objspace_reachable_objects_from_root): added.

  This API provides information which objects are root objects.
  `category' shows what kind of root objects.
* gc.c (gc_mark_roots): separate from gc_marks_body().



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43294 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/gc.h b/gc.h
index 727e310215..09edafa027 100644
--- a/gc.h
+++ b/gc.h
@@ -88,6 +88,7 @@ RUBY_SYMBOL_EXPORT_BEGIN
 /* exports for objspace module */
 size_t rb_objspace_data_type_memsize(VALUE obj);
 void rb_objspace_reachable_objects_from(VALUE obj, void (func)(VALUE, void *), void *data);
+void rb_objspace_reachable_objects_from_root(void (func)(const char *category, VALUE, void *), void *data);
 int rb_objspace_markable_object_p(VALUE obj);
 int rb_objspace_internal_object_p(VALUE obj);