Mercurial > hg > truffle
diff src/os/windows/vm/interfaceSupport_windows.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/os/windows/vm/interfaceSupport_windows.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,41 @@ +/* + * Copyright 2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +// 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())) + {} +}