1 /* 2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_VM_OBJECT_COUNT_EVENT_SENDER_HPP 26 #define SHARE_VM_OBJECT_COUNT_EVENT_SENDER_HPP 27 28 #include "gc_implementation/shared/gcTrace.hpp" 29 #include "memory/allocation.hpp" 30 #include "utilities/macros.hpp" 31 32 #if INCLUDE_SERVICES 33 34 class KlassInfoEntry; 35 36 class ObjectCountEventSender : public AllStatic { 37 static bool _should_send_requestable_event; 38 39 template <typename T> 40 static void send_event_if_enabled(Klass* klass, jlong count, julong size, GCId gc_id, const Ticks& timestamp); 41 42 public: 43 static void enable_requestable_event(); 44 static void disable_requestable_event(); 45 46 47 public: 48 // The following two functions have the exact same signature as 49 // hotspot/src/share/vm/gc_implementation/shared/objectCountEventSender.hpp 50 // 51 // This file will replace the open file if a closed build is performed. 52 // These function signatures can therefore not be changed if the open 53 // signatures aren't changed as well. 54 static void send(const KlassInfoEntry* entry, GCId gc_id, const Ticks& timestamp); 55 static bool should_send_event(); 56 }; 57 58 #endif // INCLUDE_SERVICES 59 60 #endif // SHARE_VM_OBJECT_COUNT_EVENT_SENDER