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_SHENANDOAHMARKCLOSURES_HPP
26 #define SHARE_GC_SHENANDOAH_SHENANDOAHMARKCLOSURES_HPP
27 
28 #include "gc/shenandoah/shenandoahHeap.hpp"
29 
30 class ShenandoahMarkingContext;
31 class ShenandoahHeapRegion;
32 
33 class ShenandoahFinalMarkUpdateRegionStateClosure : public ShenandoahHeapRegionClosure {
34 private:
35   ShenandoahMarkingContext* const _ctx;
36   ShenandoahHeapLock* const _lock;
37 public:
38   ShenandoahFinalMarkUpdateRegionStateClosure(ShenandoahMarkingContext* ctx);
39 
40   void heap_region_do(ShenandoahHeapRegion* r);
41 
42   bool is_thread_safe() { return true; }
43 };
44 
45 class ShenandoahCaptureUpdateWaterMarkForOld : public ShenandoahHeapRegionClosure {
46 private:
47   ShenandoahMarkingContext* const _ctx;
48   ShenandoahHeapLock* const _lock;
49 public:
50   ShenandoahCaptureUpdateWaterMarkForOld(ShenandoahMarkingContext* ctx);
51 
52   void heap_region_do(ShenandoahHeapRegion* r);
53 
54   bool is_thread_safe() { return true; }
55 };
56 
57 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHMARKCLOSURES_HPP