interfaceSupport_windows.hpp revision 1472:c18cbe5936b8 
1/*
2 * Copyright (c) 2005, 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
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7 * published by the Free Software Foundation.
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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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 */
24
25// Contains inlined functions for class InterfaceSupport
26
27static inline void serialize_memory(JavaThread *thread) {
28  // due to chained nature of SEH handlers we have to be sure
29  // that our handler is always last handler before an attempt to write
30  // into serialization page - it can fault if we access this page
31  // right in the middle of protect/unprotect sequence by remote
32  // membar logic.
33  // __try/__except are very lightweight operations (only several
34  // instructions not affecting control flow directly on x86)
35  // so we can use it here, on very time critical path
36  __try {
37    os::write_memory_serialize_page(thread);
38  } __except (os::win32::
39              serialize_fault_filter((_EXCEPTION_POINTERS*)_exception_info()))
40    {}
41}
42