/* * Copyright (c) 2012, 2019, 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_JFR_RECORDER_REPOSITORY_JFRRCHUNKSIZENOTIFIER_HPP #define SHARE_VM_JFR_RECORDER_REPOSITORY_JFRRCHUNKSIZENOTIFIER_HPP #include "memory/allocation.hpp" // // Responsible for notifications about current chunk size now exceeding threshold. // This is a means to initiate a chunk rotation on the basis of size written. // class JfrChunkSizeNotifier : AllStatic { friend class JfrRecorder; private: static size_t _chunk_size_threshold; static void release_monitor(); public: static void set_chunk_size_threshold(size_t bytes); static size_t chunk_size_threshold(); static void notify(); }; #endif // SHARE_VM_JFR_RECORDER_REPOSITORY_JFRRCHUNKSIZENOTIFIER_HPP