1 /* 2 * Copyright (c) 2013, 2018, 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_GC_SHARED_OBJECTCOUNTEVENTSENDER_HPP 26 #define SHARE_VM_GC_SHARED_OBJECTCOUNTEVENTSENDER_HPP 27 28 #include "gc/shared/gcTrace.hpp" 29 #include "memory/allocation.hpp" 30 #include "utilities/globalDefinitions.hpp" 31 #include "utilities/macros.hpp" 32 #include "utilities/ticks.hpp" 33 34 #if INCLUDE_SERVICES 35 36 class KlassInfoEntry; 37 class Klass; 38 39 class ObjectCountEventSender : public AllStatic { 40 static bool _should_send_requestable_event; 41 42 template <typename T> 43 static void send_event_if_enabled(Klass* klass, jlong count, julong size, const Ticks& timestamp); 44 45 public: 46 static void enable_requestable_event(); 47 static void disable_requestable_event(); 48 49 public: 50 // The following two functions have the exact same signature as 51 // hotspot/src/share/vm/gc_implementation/shared/objectCountEventSender.hpp 52 // 53 // This file will replace the open file if a closed build is performed. 54 // These function signatures can therefore not be changed if the open 55 // signatures aren't changed as well. 56 static void send(const KlassInfoEntry* entry, const Ticks& timestamp); 57 static bool should_send_event(); 58 }; 59 60 #endif // INCLUDE_SERVICES 61 62 #endif // SHARE_VM_GC_SHARED_OBJECTCOUNTEVENTSENDER_HPP