duke@435: /* ysr@2066: * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. duke@435: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. duke@435: * duke@435: * This code is free software; you can redistribute it and/or modify it duke@435: * under the terms of the GNU General Public License version 2 only, as duke@435: * published by the Free Software Foundation. duke@435: * duke@435: * This code is distributed in the hope that it will be useful, but WITHOUT duke@435: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or duke@435: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License duke@435: * version 2 for more details (a copy is included in the LICENSE file that duke@435: * accompanied this code). duke@435: * duke@435: * You should have received a copy of the GNU General Public License version duke@435: * 2 along with this work; if not, write to the Free Software Foundation, duke@435: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. duke@435: * trims@1907: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA trims@1907: * or visit www.oracle.com if you need additional information or have any trims@1907: * questions. duke@435: * duke@435: */ duke@435: stefank@2314: #include "precompiled.hpp" stefank@2314: #include "runtime/orderAccess.hpp" stefank@2314: #include "runtime/stubRoutines.hpp" stefank@2314: #include "runtime/thread.hpp" duke@435: never@1106: void OrderAccess::StubRoutines_fence() { never@1106: // Use a stub if it exists. It may not exist during bootstrap so do never@1106: // nothing in that case but assert if no fence code exists after threads have been created never@1106: void (*func)() = CAST_TO_FN_PTR(void (*)(), StubRoutines::fence_entry()); never@1106: never@1106: if (func != NULL) { never@1106: (*func)(); never@1106: return; never@1106: } never@1106: assert(Threads::number_of_threads() == 0, "for bootstrap only"); never@1106: }