annotate src/os/windows/vm/interfaceSupport_windows.hpp @ 0:a61af66fc99e

Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
rev   line source
duke@0 1 /*
duke@0 2 * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved.
duke@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@0 4 *
duke@0 5 * This code is free software; you can redistribute it and/or modify it
duke@0 6 * under the terms of the GNU General Public License version 2 only, as
duke@0 7 * published by the Free Software Foundation.
duke@0 8 *
duke@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@0 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@0 13 * accompanied this code).
duke@0 14 *
duke@0 15 * You should have received a copy of the GNU General Public License version
duke@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@0 18 *
duke@0 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@0 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@0 21 * have any questions.
duke@0 22 *
duke@0 23 */
duke@0 24
duke@0 25 // Contains inlined functions for class InterfaceSupport
duke@0 26
duke@0 27 static inline void serialize_memory(JavaThread *thread) {
duke@0 28 // due to chained nature of SEH handlers we have to be sure
duke@0 29 // that our handler is always last handler before an attempt to write
duke@0 30 // into serialization page - it can fault if we access this page
duke@0 31 // right in the middle of protect/unprotect sequence by remote
duke@0 32 // membar logic.
duke@0 33 // __try/__except are very lightweight operations (only several
duke@0 34 // instructions not affecting control flow directly on x86)
duke@0 35 // so we can use it here, on very time critical path
duke@0 36 __try {
duke@0 37 os::write_memory_serialize_page(thread);
duke@0 38 } __except (os::win32::
duke@0 39 serialize_fault_filter((_EXCEPTION_POINTERS*)_exception_info()))
duke@0 40 {}
duke@0 41 }