view src/os_cpu/windows_x86/vm/threadLS_windows_x86.hpp @ 877:8c79517a9300

6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS Summary: GlobalMemoryStatus() does not report correct memory usage when the system has more than 4gb of RAM. GlobalMemoryStatusEx() should be used in place of GlobalMemoryStatus(). Reviewed-by: kamg, coleenp
author poonam
date Thu, 16 Jul 2009 18:21:40 -0700
parents a61af66fc99e
children c18cbe5936b8
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/*
 * Copyright 1998-2003 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.
 *
 */

// Processor dependent parts of ThreadLocalStorage

protected:

  static int _thread_ptr_offset;

public:

  // Java Thread
  static inline Thread* thread() {
    return (Thread*)TlsGetValue(thread_index());
  }

  static inline Thread* get_thread() {
    return (Thread*)TlsGetValue(thread_index());
  }

  static inline void set_thread_ptr_offset( int offset ) { _thread_ptr_offset = offset; }

  static inline int get_thread_ptr_offset() { return _thread_ptr_offset; }