1 /*
 2  * Copyright (c) 2021, Red Hat, Inc. 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 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHSTWMARK_HPP
26 #define SHARE_GC_SHENANDOAH_SHENANDOAHSTWMARK_HPP
27 
28 #include "gc/shenandoah/shenandoahMark.hpp"
29 
30 class ShenandoahSTWMarkTask;
31 class ShenandoahGeneration;
32 
33 class ShenandoahSTWMark : public ShenandoahMark {
34   friend class ShenandoahSTWMarkTask;
35 
36 private:
37   ShenandoahSTWRootScanner      _root_scanner;
38   TaskTerminator                _terminator;
39   bool                          _full_gc;
40 public:
41  ShenandoahSTWMark(ShenandoahGeneration* generation, bool full_gc);
42  void mark();
43 
44 private:
45   void mark_roots(uint worker_id);
46   void finish_mark(uint worker_id);
47 };
48 
49 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHSTWMARK_HPP
50