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1 /* |
1 /* |
2 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
31 inline ZRelocationSetIteratorImpl<parallel>::ZRelocationSetIteratorImpl(ZRelocationSet* relocation_set) : |
31 inline ZRelocationSetIteratorImpl<parallel>::ZRelocationSetIteratorImpl(ZRelocationSet* relocation_set) : |
32 _relocation_set(relocation_set), |
32 _relocation_set(relocation_set), |
33 _next(0) {} |
33 _next(0) {} |
34 |
34 |
35 template <bool parallel> |
35 template <bool parallel> |
36 inline bool ZRelocationSetIteratorImpl<parallel>::next(ZPage** page) { |
36 inline bool ZRelocationSetIteratorImpl<parallel>::next(ZForwarding** forwarding) { |
37 const size_t npages = _relocation_set->_npages; |
37 const size_t nforwardings = _relocation_set->_nforwardings; |
38 |
38 |
39 if (parallel) { |
39 if (parallel) { |
40 if (_next < npages) { |
40 if (_next < nforwardings) { |
41 const size_t next = Atomic::add(1u, &_next) - 1u; |
41 const size_t next = Atomic::add(1u, &_next) - 1u; |
42 if (next < npages) { |
42 if (next < nforwardings) { |
43 *page = _relocation_set->_pages[next]; |
43 *forwarding = _relocation_set->_forwardings[next]; |
44 return true; |
44 return true; |
45 } |
45 } |
46 } |
46 } |
47 } else { |
47 } else { |
48 if (_next < npages) { |
48 if (_next < nforwardings) { |
49 *page = _relocation_set->_pages[_next++]; |
49 *forwarding = _relocation_set->_forwardings[_next++]; |
50 return true; |
50 return true; |
51 } |
51 } |
52 } |
52 } |
53 |
53 |
54 return false; |
54 return false; |