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annotate src/os/windows/vm/globals_windows.hpp @ 17716:cdb71841f4bc

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6498581: ThreadInterruptTest3 produces wrong output on Windows Summary: There is race condition between os::interrupt and os::is_interrupted on Windows. In JVM_Sleep(Thread.sleep), check if thread gets interrupted, it may see interrupted but not really interrupted so cause spurious waking up (early return from sleep). Fix by checking if interrupt event really gets set thus prevent false return. For intrinsic of _isInterrupted, on Windows, go fastpath only on bit not set. Reviewed-by: acorn, kvn Contributed-by: david.holmes@oracle.com, yumin.qi@oracle.com
author minqi
date Wed, 26 Feb 2014 15:20:41 -0800
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1 /*
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2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef OS_WINDOWS_VM_GLOBALS_WINDOWS_HPP
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26 #define OS_WINDOWS_VM_GLOBALS_WINDOWS_HPP
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27
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28 //
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29 // Defines Windows specific flags. They are not available on other platforms.
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30 //
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31 #define RUNTIME_OS_FLAGS(develop, develop_pd, product, product_pd, \
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32 diagnostic, notproduct) \
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33 \
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34 product(bool, UseUTCFileTimestamp, true, \
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35 "Adjust the timestamp returned from stat() to be UTC")
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36
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37
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38 //
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39 // Defines Windows-specific default values. The flags are available on all
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40 // platforms, but they may have different default values on other platforms.
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41 //
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42 define_pd_global(bool, UseLargePages, false);
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43 define_pd_global(bool, UseLargePagesIndividualAllocation, true);
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44 define_pd_global(bool, UseOSErrorReporting, false); // for now.
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45 define_pd_global(bool, UseThreadPriorities, true) ;
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46
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47 #endif // OS_WINDOWS_VM_GLOBALS_WINDOWS_HPP