Mercurial > hg > truffle
view src/os/windows/vm/interfaceSupport_windows.hpp @ 4845:df88f58f3b61
Merge
author | dsamersoff |
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date | Tue, 24 Jan 2012 20:15:56 -0800 |
parents | f95d63e2154a |
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/* * Copyright (c) 2005, 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. * */ #ifndef OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP #define OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP // Contains inlined functions for class InterfaceSupport static inline void serialize_memory(JavaThread *thread) { // due to chained nature of SEH handlers we have to be sure // that our handler is always last handler before an attempt to write // into serialization page - it can fault if we access this page // right in the middle of protect/unprotect sequence by remote // membar logic. // __try/__except are very lightweight operations (only several // instructions not affecting control flow directly on x86) // so we can use it here, on very time critical path __try { os::write_memory_serialize_page(thread); } __except (os::win32:: serialize_fault_filter((_EXCEPTION_POINTERS*)_exception_info())) {} } #endif // OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP