src/hotspot/share/memory/metaspaceClosure.cpp

*** 1,7 ****
  /*
!  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 53,68 ****
      }
    }
  }
  
  bool UniqueMetaspaceClosure::do_ref(MetaspaceClosure::Ref* ref, bool read_only) {
!   bool* found = _has_been_visited.get(ref->obj());
    if (found != NULL) {
      assert(*found == read_only, "must be");
      return false; // Already visited: no need to iterate embedded pointers.
    } else {
!     bool isnew = _has_been_visited.put(ref->obj(), read_only);
!     assert(isnew, "sanity");
      do_unique_ref(ref, read_only);
      return true;  // Saw this for the first time: iterate the embedded pointers.
    }
  }
--- 53,70 ----
      }
    }
  }
  
  bool UniqueMetaspaceClosure::do_ref(MetaspaceClosure::Ref* ref, bool read_only) {
!   bool* found = _has_been_visited.lookup(ref->obj());
    if (found != NULL) {
      assert(*found == read_only, "must be");
      return false; // Already visited: no need to iterate embedded pointers.
    } else {
!     _has_been_visited.add(ref->obj(), read_only);
!     if (_has_been_visited.maybe_grow()) {
!       log_info(cds, hashtables)("Expanded _has_been_visited table to %d", _has_been_visited.table_size());
!     }
      do_unique_ref(ref, read_only);
      return true;  // Saw this for the first time: iterate the embedded pointers.
    }
  }