1/*
2 * Copyright (c) 2015, 2017, 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#ifndef SHARE_GC_Z_ZMESSAGEPORT_HPP
25#define SHARE_GC_Z_ZMESSAGEPORT_HPP
26
27#include "gc/z/zFuture.hpp"
28#include "gc/z/zList.hpp"
29#include "memory/allocation.hpp"
30#include "runtime/mutex.hpp"
31
32template <typename T> class ZMessageRequest;
33
34template <typename T>
35class ZMessagePort {
36private:
37 typedef ZMessageRequest<T> Request;
38
39 Monitor _monitor;
40 bool _has_message;
41 T _message;
42 uint64_t _seqnum;
43 ZList<Request> _queue;
44
45public:
46 ZMessagePort();
47
48 void send_sync(T message);
49 void send_async(T message);
50
51 T receive();
52 void ack();
53};
54
55class ZRendezvousPort {
56private:
57 ZMessagePort<bool> _port;
58
59public:
60 void signal();
61 void wait();
62 void ack();
63};
64
65#endif // SHARE_GC_Z_ZMESSAGEPORT_HPP
66