| /* |
| * 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 |