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