/*

 * Copyright (c) 2003, 2010, 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 "runtime/orderAccess.hpp"

#include "runtime/stubRoutines.hpp"

#include "runtime/thread.hpp"

void OrderAccess::StubRoutines_fence() {

  // Use a stub if it exists.  It may not exist during bootstrap so do

  // nothing in that case but assert if no fence code exists after threads have been created

  void (*func)() = CAST_TO_FN_PTR(void (*)(), StubRoutines::fence_entry());

  if (func != NULL) {

    (*func)();

    return;

  }

  assert(Threads::number_of_threads() == 0, "for bootstrap only");

}