src/hotspot/share/runtime/safepointVerifiers.cpp
author rehn
Fri, 29 Nov 2019 12:09:25 +0100
changeset 59325 3636bab5e81e
parent 57603 f9d9bed12d1a
permissions -rw-r--r--
8234086: VM operation can be simplified Reviewed-by: kbarrett, dholmes, dcubed
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/*
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 * Copyright (c) 1997, 2019, 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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 */
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#include "precompiled.hpp"
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#include "gc/shared/collectedHeap.hpp"
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#include "memory/universe.hpp"
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#include "runtime/safepoint.hpp"
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#include "runtime/safepointVerifiers.hpp"
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#include "utilities/debug.hpp"
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#ifdef ASSERT
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NoSafepointVerifier::NoSafepointVerifier() : _thread(Thread::current()) {
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  _thread->_no_safepoint_count++;
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}
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NoSafepointVerifier::~NoSafepointVerifier() {
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  _thread->_no_safepoint_count--;
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}
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PauseNoSafepointVerifier::PauseNoSafepointVerifier(NoSafepointVerifier* nsv)
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    : _nsv(nsv) {
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  assert(_nsv->_thread == Thread::current(), "must be");
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  _nsv->_thread->_no_safepoint_count--;
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}
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PauseNoSafepointVerifier::~PauseNoSafepointVerifier() {
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  _nsv->_thread->_no_safepoint_count++;
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}
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#endif // ASSERT