| /* |
| * Copyright (c) 2017, 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_ZRELOCATIONSET_INLINE_HPP |
| #define SHARE_GC_Z_ZRELOCATIONSET_INLINE_HPP |
| |
| #include "gc/z/zRelocationSet.hpp" |
| #include "runtime/atomic.hpp" |
| |
| template <bool parallel> |
| inline ZRelocationSetIteratorImpl<parallel>::ZRelocationSetIteratorImpl(ZRelocationSet* relocation_set) : |
| _relocation_set(relocation_set), |
| _next(0) {} |
| |
| template <bool parallel> |
| inline bool ZRelocationSetIteratorImpl<parallel>::next(ZPage** page) { |
| const size_t npages = _relocation_set->_npages; |
| |
| if (parallel) { |
| if (_next < npages) { |
| const size_t next = Atomic::add(1u, &_next) - 1u; |
| if (next < npages) { |
| *page = _relocation_set->_pages[next]; |
| return true; |
| } |
| } |
| } else { |
| if (_next < npages) { |
| *page = _relocation_set->_pages[_next++]; |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| #endif // SHARE_GC_Z_ZRELOCATIONSET_INLINE_HPP |