1 /*
 2  * Copyright (c) 2016, 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 #include "precompiled.hpp"
26 
27 #include "gc/shenandoah/shenandoahHeap.inline.hpp"
28 #include "gc/shenandoah/shenandoahTaskqueue.inline.hpp"
29 #include "logging/log.hpp"
30 #include "logging/logStream.hpp"
31 #include "memory/resourceArea.hpp"
32 
33 void ShenandoahObjToScanQueueSet::clear() {
34   uint size = GenericTaskQueueSet<ShenandoahObjToScanQueue, mtGC>::size();
35   for (uint index = 0; index < size; index ++) {
36     ShenandoahObjToScanQueue* q = queue(index);
37     assert(q != nullptr, "Sanity");
38     q->clear();
39   }
40 }
41 
42 bool ShenandoahObjToScanQueueSet::is_empty() {
43   uint size = GenericTaskQueueSet<ShenandoahObjToScanQueue, mtGC>::size();
44   for (uint index = 0; index < size; index ++) {
45     ShenandoahObjToScanQueue* q = queue(index);
46     assert(q != nullptr, "Sanity");
47     if (!q->is_empty()) {
48       return false;
49     }
50   }
51   return true;
52 }
53 
54 bool ShenandoahTerminatorTerminator::should_exit_termination() {
55   return _heap->cancelled_gc();
56 }