| /* |
| * Copyright (c) 2015, 2016, 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_VM_RUNTIME_COMMANDLINEFLAGWRITEABLE_HPP |
| #define SHARE_VM_RUNTIME_COMMANDLINEFLAGWRITEABLE_HPP |
| |
| #include "runtime/globals.hpp" |
| #include "utilities/growableArray.hpp" |
| |
| class CommandLineFlagWriteable : public CHeapObj<mtArguments> { |
| public: |
| enum WriteableType { |
| // can be set without any limits |
| Always = 0, |
| // can only be set once, either via command lines or during runtime |
| Once = 1, |
| // can only be set on command line (multiple times allowed) |
| CommandLineOnly = 2 |
| }; |
| private: |
| const char* _name; |
| WriteableType _type; |
| bool _writeable; |
| bool _startup_done; |
| public: |
| // the "name" argument must be a string literal |
| CommandLineFlagWriteable(const char* name, WriteableType type) { _name=name; _type=type; _writeable=true; _startup_done=false; } |
| ~CommandLineFlagWriteable() {} |
| const char* name() { return _name; } |
| const WriteableType type() { return _type; } |
| bool is_writeable(void); |
| void mark_once(void); |
| void mark_startup(void); |
| }; |
| |
| class CommandLineFlagWriteableList : public AllStatic { |
| static GrowableArray<CommandLineFlagWriteable*>* _controls; |
| public: |
| static void init(); |
| static int length() { return (_controls != NULL) ? _controls->length() : 0; } |
| static CommandLineFlagWriteable* at(int i) { return (_controls != NULL) ? _controls->at(i) : NULL; } |
| static CommandLineFlagWriteable* find(const char* name); |
| static void add(CommandLineFlagWriteable* range) { _controls->append(range); } |
| static void mark_startup(void); |
| }; |
| |
| #endif // SHARE_VM_RUNTIME_COMMANDLINEFLAGWRITEABLE_HPP |