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87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
/*
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* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "precompiled.hpp"
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#include "gc/z/zThread.hpp"
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#include "runtime/thread.hpp"
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#include "utilities/debug.hpp"
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THREAD_LOCAL bool ZThread::_initialized;
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THREAD_LOCAL uintptr_t ZThread::_id;
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THREAD_LOCAL bool ZThread::_is_vm;
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THREAD_LOCAL bool ZThread::_is_java;
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THREAD_LOCAL bool ZThread::_is_worker;
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THREAD_LOCAL bool ZThread::_is_runtime_worker;
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THREAD_LOCAL uint ZThread::_worker_id;
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void ZThread::initialize() {
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assert(!_initialized, "Already initialized");
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const Thread* const thread = Thread::current();
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_initialized = true;
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_id = (uintptr_t)thread;
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_is_vm = thread->is_VM_thread();
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_is_java = thread->is_Java_thread();
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_is_worker = false;
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_is_runtime_worker = false;
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_worker_id = (uint)-1;
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}
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const char* ZThread::name() {
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const Thread* const thread = Thread::current();
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if (thread->is_Named_thread()) {
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const NamedThread* const named = (const NamedThread*)thread;
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return named->name();
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} else if (thread->is_Java_thread()) {
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return "Java";
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}
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return "Unknown";
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}
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void ZThread::set_worker() {
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ensure_initialized();
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_is_worker = true;
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}
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void ZThread::set_runtime_worker() {
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ensure_initialized();
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_is_runtime_worker = true;
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}
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bool ZThread::has_worker_id() {
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return _initialized &&
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_is_worker &&
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_worker_id != (uint)-1;
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}
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void ZThread::set_worker_id(uint worker_id) {
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ensure_initialized();
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assert(!has_worker_id(), "Worker id already initialized");
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_worker_id = worker_id;
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}
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void ZThread::clear_worker_id() {
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assert(has_worker_id(), "Worker id not initialized");
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_worker_id = (uint)-1;
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}
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