comparison src/os/windows/vm/interfaceSupport_windows.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 // Contains inlined functions for class InterfaceSupport
26
27 static 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 }