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1 /* |
1 /* |
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2018, 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. |
20 * or visit www.oracle.com if you need additional information or have any |
20 * or visit www.oracle.com if you need additional information or have any |
21 * questions. |
21 * questions. |
22 * |
22 * |
23 */ |
23 */ |
24 |
24 |
25 #ifndef SHARE_VM_GC_PARALLEL_PSFILEBACKEDVIRTUALSPACE_HPP |
25 #ifndef SHARE_GC_PARALLEL_PSFILEBACKEDVIRTUALSPACE_HPP |
26 #define SHARE_VM_GC_PARALLEL_PSFILEBACKEDVIRTUALSPACE_HPP |
26 #define SHARE_GC_PARALLEL_PSFILEBACKEDVIRTUALSPACE_HPP |
27 |
27 |
28 #include "gc/parallel/psVirtualspace.hpp" |
28 #include "gc/parallel/psVirtualspace.hpp" |
29 |
29 |
30 class PSFileBackedVirtualSpace : public PSVirtualSpace { |
30 class PSFileBackedVirtualSpace : public PSVirtualSpace { |
31 private: |
31 private: |
40 bool expand_by(size_t bytes); |
40 bool expand_by(size_t bytes); |
41 bool shrink_by(size_t bytes); |
41 bool shrink_by(size_t bytes); |
42 size_t expand_into(PSVirtualSpace* space, size_t bytes); |
42 size_t expand_into(PSVirtualSpace* space, size_t bytes); |
43 void release(); |
43 void release(); |
44 }; |
44 }; |
45 #endif // SHARE_VM_GC_PARALLEL_PSFILEBACKEDVIRTUALSPACE_HPP |
45 #endif // SHARE_GC_PARALLEL_PSFILEBACKEDVIRTUALSPACE_HPP |
46 |
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