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src/hotspot/share/oops/weakHandle.inline.hpp
47 строк
2 KB
Aleksey Shipilev
8356631: OopHandle replacement methods should not be called on empty handles
13 май 2025, 15:46
13 май 2025, 15:46
de10644
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/* * Copyright (c) 2018, 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_OOPS_WEAKHANDLE_INLINE_HPP #define SHARE_OOPS_WEAKHANDLE_INLINE_HPP #include "oops/weakHandle.hpp" #include "oops/access.inline.hpp" inline oop WeakHandle::resolve() const { assert(!is_null(), "Must be created"); return NativeAccess<ON_PHANTOM_OOP_REF>::oop_load(_obj); } inline oop WeakHandle::peek() const { assert(!is_null(), "Must be created"); return NativeAccess<ON_PHANTOM_OOP_REF | AS_NO_KEEPALIVE>::oop_load(_obj); } inline void WeakHandle::replace(oop with_obj) { assert(!is_empty(), "Must not use replace on empty handle"); NativeAccess<ON_PHANTOM_OOP_REF>::oop_store(_obj, with_obj); } #endif // SHARE_OOPS_WEAKHANDLE_INLINE_HPP