1/*
2 * Copyright (c) 2015, 2019, 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
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22 */
23
24#ifndef SHARE_GC_Z_ZDRIVER_HPP
25#define SHARE_GC_Z_ZDRIVER_HPP
26
27#include "gc/shared/concurrentGCThread.hpp"
28#include "gc/shared/gcCause.hpp"
29#include "gc/z/zMessagePort.hpp"
30
31class VM_ZOperation;
32
33class ZDriver : public ConcurrentGCThread {
34private:
35 ZMessagePort<GCCause::Cause> _gc_cycle_port;
36 ZRendezvousPort _gc_locker_port;
37
38 template <typename T> bool pause();
39
40 void pause_mark_start();
41 void concurrent_mark();
42 bool pause_mark_end();
43 void concurrent_mark_continue();
44 void concurrent_process_non_strong_references();
45 void concurrent_reset_relocation_set();
46 void pause_verify();
47 void concurrent_select_relocation_set();
48 void pause_relocate_start();
49 void concurrent_relocate();
50
51 void check_out_of_memory();
52
53 void gc(GCCause::Cause cause);
54
55protected:
56 virtual void run_service();
57 virtual void stop_service();
58
59public:
60 ZDriver();
61
62 void collect(GCCause::Cause cause);
63};
64
65#endif // SHARE_GC_Z_ZDRIVER_HPP
66