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src/hotspot/share/runtime/flags/flagSetting.hpp
49 строк
2 KB
Patric Hedlin
8245226: Clean-up FlagSetting and remove misuse
24 фев 2020, 16:06
24 фев 2020, 16:06
195c45a
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/* * 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 * or visit www.oracle.com if you need additional information or have any * questions. * */ #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