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src/os/windows/vm/interfaceSupport_windows.hpp@cc12becb22e7 (annotated)
src/os/windows/vm/interfaceSupport_windows.hpp
Sun, 21 Apr 2013 21:05:02 -0700
- author
- dcubed
- date
- Sun, 21 Apr 2013 21:05:02 -0700
- changeset 4968
- cc12becb22e7
- parent 2314
- f95d63e2154a
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
Merge
| duke@435 | 1 | /* |
| stefank@2314 | 2 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP |
| stefank@2314 | 26 | #define OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP |
| stefank@2314 | 27 | |
| duke@435 | 28 | // Contains inlined functions for class InterfaceSupport |
| duke@435 | 29 | |
| duke@435 | 30 | static inline void serialize_memory(JavaThread *thread) { |
| duke@435 | 31 | // due to chained nature of SEH handlers we have to be sure |
| duke@435 | 32 | // that our handler is always last handler before an attempt to write |
| duke@435 | 33 | // into serialization page - it can fault if we access this page |
| duke@435 | 34 | // right in the middle of protect/unprotect sequence by remote |
| duke@435 | 35 | // membar logic. |
| duke@435 | 36 | // __try/__except are very lightweight operations (only several |
| duke@435 | 37 | // instructions not affecting control flow directly on x86) |
| duke@435 | 38 | // so we can use it here, on very time critical path |
| duke@435 | 39 | __try { |
| duke@435 | 40 | os::write_memory_serialize_page(thread); |
| duke@435 | 41 | } __except (os::win32:: |
| duke@435 | 42 | serialize_fault_filter((_EXCEPTION_POINTERS*)_exception_info())) |
| duke@435 | 43 | {} |
| duke@435 | 44 | } |
| stefank@2314 | 45 | |
| stefank@2314 | 46 | #endif // OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP |
