69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/*
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* Copyright (c) 2016, 2019, Red Hat, Inc. 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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*/
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#ifndef SHARE_GC_SHENANDOAH_SHENANDOAHTASKQUEUE_INLINE_HPP
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#define SHARE_GC_SHENANDOAH_SHENANDOAHTASKQUEUE_INLINE_HPP
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#include "gc/shared/taskqueue.inline.hpp"
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#include "gc/shenandoah/shenandoahTaskqueue.hpp"
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#include "utilities/stack.inline.hpp"
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template <class E, MEMFLAGS F, unsigned int N>
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bool BufferedOverflowTaskQueue<E, F, N>::pop(E &t) {
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if (!_buf_empty) {
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t = _elem;
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_buf_empty = true;
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return true;
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}
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if (taskqueue_t::pop_local(t)) {
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return true;
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}
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return taskqueue_t::pop_overflow(t);
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}
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template <class E, MEMFLAGS F, unsigned int N>
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inline bool BufferedOverflowTaskQueue<E, F, N>::push(E t) {
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if (_buf_empty) {
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_elem = t;
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_buf_empty = false;
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} else {
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bool pushed = taskqueue_t::push(_elem);
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assert(pushed, "overflow queue should always succeed pushing");
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_elem = t;
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}
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return true;
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}
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template <class E, MEMFLAGS F, unsigned int N>
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void BufferedOverflowTaskQueue<E, F, N>::clear() {
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_buf_empty = true;
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taskqueue_t::set_empty();
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taskqueue_t::overflow_stack()->clear();
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}
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#endif // SHARE_GC_SHENANDOAH_SHENANDOAHTASKQUEUE_INLINE_HPP
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