src/hotspot/share/gc/z/zFuture.hpp
author stefank
Mon, 28 Oct 2019 11:27:27 +0100
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permissions -rw-r--r--
8232604: ZGC: Make ZVerifyViews mapping and unmapping precise Reviewed-by: pliden, eosterlund
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/*
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 * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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#ifndef SHARE_GC_Z_ZFUTURE_HPP
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#define SHARE_GC_Z_ZFUTURE_HPP
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#include "memory/allocation.hpp"
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#include "runtime/semaphore.hpp"
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template <typename T>
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class ZFuture {
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private:
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  Semaphore _sema;
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  T         _value;
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public:
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  ZFuture();
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  void set(T value);
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  T peek();
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  T get();
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};
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#endif // SHARE_GC_Z_ZFUTURE_HPP