/*
* Copyright (c) 2015, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#ifndef SHARE_GC_Z_ZMESSAGEPORT_HPP
#define SHARE_GC_Z_ZMESSAGEPORT_HPP
#include "gc/z/zFuture.hpp"
#include "gc/z/zList.hpp"
#include "runtime/mutex.hpp"
template <typename T> class ZMessageRequest;
template <typename T>
class ZMessagePort {
private:
typedef ZMessageRequest<T> Request;
mutable Monitor _monitor;
bool _has_message;
T _message;
uint64_t _seqnum;
ZList<Request> _queue;
public:
ZMessagePort();
bool is_busy() const;
void send_sync(const T& message);
void send_async(const T& message);
T receive();
void ack();
};
class ZRendezvousPort {
private:
ZMessagePort<bool> _port;
public:
void signal();
void wait();
void ack();
};
#endif // SHARE_GC_Z_ZMESSAGEPORT_HPP
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