blob: 6611081235e2085e535ea35b042c2b48d9fdac07 [file] [log] [blame]
/*
* Copyright (c) 1997, 2020, 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
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*/
#ifndef SHARE_RUNTIME_FLAGS_FLAGSETTING_HPP
#define SHARE_RUNTIME_FLAGS_FLAGSETTING_HPP
#include "utilities/autoRestore.hpp"
// Legacy use of FlagSetting and UIntFlagSetting to temporarily change a debug
// flag/option in the current (local) scope.
//
// Example:
// {
// FlagSetting temporarily(DebugThisAndThat, true);
// . . .
// }
//
// The previous/original value is restored when leaving the scope.
typedef AutoModifyRestore<bool> FlagSetting;
typedef AutoModifyRestore<uint> UIntFlagSetting;
// Legacy use of FLAG_GUARD. Retained in the code to help identify use-cases
// that should be addressed when this file is removed.
#define FLAG_GUARD(f) f ## _guard(f)
#endif // SHARE_RUNTIME_FLAGS_FLAGSETTING_HPP