1/*
2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#ifndef OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP
26#define OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP
27
28// Contains inlined functions for class InterfaceSupport
29
30static inline void serialize_memory(JavaThread *thread) {
31  // due to chained nature of SEH handlers we have to be sure
32  // that our handler is always last handler before an attempt to write
33  // into serialization page - it can fault if we access this page
34  // right in the middle of protect/unprotect sequence by remote
35  // membar logic.
36  // __try/__except are very lightweight operations (only several
37  // instructions not affecting control flow directly on x86)
38  // so we can use it here, on very time critical path
39  __try {
40    os::write_memory_serialize_page(thread);
41  } __except (os::win32::
42              serialize_fault_filter((_EXCEPTION_POINTERS*)_exception_info()))
43    {}
44}
45
46#endif // OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP
47