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60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
/*
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* Copyright (c) 1997, 2021, 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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if (_thread->is_Java_thread()) {
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_thread->as_Java_thread()->inc_no_safepoint_count();
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}
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}
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NoSafepointVerifier::~NoSafepointVerifier() {
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if (_thread->is_Java_thread()) {
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_thread->as_Java_thread()->dec_no_safepoint_count();
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}
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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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if (_nsv->_thread->is_Java_thread()) {
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_nsv->_thread->as_Java_thread()->dec_no_safepoint_count();
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}
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}
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PauseNoSafepointVerifier::~PauseNoSafepointVerifier() {
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if (_nsv->_thread->is_Java_thread()) {
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_nsv->_thread->as_Java_thread()->inc_no_safepoint_count();
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}
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}
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#endif // ASSERT
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