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src/hotspot/share/runtime/threadIdentifier.hpp
45 строк
2 KB
Patricio Chilano Mateo
8353117: Crash: assert(id >= ThreadIdentifier::initial() && id < ThreadIdentifier::current()) failed: must be reasonable)
02 апр 2025, 17:32
02 апр 2025, 17:32
d32ff13
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/* * Copyright (c) 2022, 2024, 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_THREADIDENTIFIER_HPP #define SHARE_RUNTIME_THREADIDENTIFIER_HPP #include "memory/allStatic.hpp" /* * Provides unique monotonic identifiers for threads. * * Java uses unsafe to initialize the tid field for Thread and VirtualThread on construction. * JFR uses next() for a non-reusable id for non-java threads. */ class ThreadIdentifier : AllStatic { public: static int64_t next(); static int64_t current(); static int64_t unsafe_offset(); static int64_t initial(); static void verify_id(int64_t id) NOT_DEBUG_RETURN; }; #endif // SHARE_RUNTIME_THREADIDENTIFIER_HPP