1 /*
   2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/g1/g1OopStarChunkedList.inline.hpp"
  27 
  28 size_t G1OopStarChunkedList::free_chunk_lists() {
  29   size_t freed_memory = 0;
  30 
  31   freed_memory += delete_list(_roots);
  32   freed_memory += delete_list(_croots);
  33   freed_memory += delete_list(_oops);
  34   freed_memory += delete_list(_coops);
  35 
  36   _roots  = NULL;
  37   _croots = NULL;
  38   _oops   = NULL;
  39   _coops  = NULL;
  40 
  41   return freed_memory;
  42 }
  43 
  44 G1OopStarChunkedList::~G1OopStarChunkedList() {
  45   assert(free_chunk_lists() == 0, "Should be nothing left to free");
  46 }
  47 
  48 void G1OopStarChunkedList::oops_do(OopClosure* obj_cl, OopClosure* root_cl) {
  49   chunks_do(_roots, root_cl);
  50   chunks_do(_croots, root_cl);
  51   chunks_do(_oops, obj_cl);
  52   chunks_do(_coops, obj_cl);
  53 }