/*

 * Copyright (c) 1997, 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.

 *

 */

#include "precompiled.hpp"

#include "gc/shared/collectedHeap.hpp"

#include "memory/universe.hpp"

#include "runtime/safepoint.hpp"

#include "runtime/safepointVerifiers.hpp"

#include "utilities/debug.hpp"

#ifdef ASSERT

NoSafepointVerifier::NoSafepointVerifier() : _thread(Thread::current()) {

  _thread->_no_safepoint_count++;

}

NoSafepointVerifier::~NoSafepointVerifier() {

  _thread->_no_safepoint_count--;

}

PauseNoSafepointVerifier::PauseNoSafepointVerifier(NoSafepointVerifier* nsv)

    : _nsv(nsv) {

  assert(_nsv->_thread == Thread::current(), "must be");

  _nsv->_thread->_no_safepoint_count--;

}

PauseNoSafepointVerifier::~PauseNoSafepointVerifier() {

  _nsv->_thread->_no_safepoint_count++;

}

#endif // ASSERT