jdk8-mips64-public/hotspot: src/os/windows/vm/interfaceSupport

     1 /*

     2  * Copyright (c) 2005, 2010, 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

     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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #ifndef OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP

    26 #define OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP

    28 // Contains inlined functions for class InterfaceSupport

    30 static inline void serialize_memory(JavaThread *thread) {

    31   // due to chained nature of SEH handlers we have to be sure

    32   // that our handler is always last handler before an attempt to write

    33   // into serialization page - it can fault if we access this page

    34   // right in the middle of protect/unprotect sequence by remote

    35   // membar logic.

    36   // __try/__except are very lightweight operations (only several

    37   // instructions not affecting control flow directly on x86)

    38   // so we can use it here, on very time critical path

    39   __try {

    40     os::write_memory_serialize_page(thread);

    41   } __except (os::win32::

    42               serialize_fault_filter((_EXCEPTION_POINTERS*)_exception_info()))

    43     {}

    44 }

    46 #endif // OS_WINDOWS_VM_INTERFACESUPPORT_WINDOWS_HPP

src/os/windows/vm/interfaceSupport_windows.hpp@cc12becb22e7