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Java example source code file (osThread_windows.hpp)

This example Java source code file (osThread_windows.hpp) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

assert, event, handle, os_windows_vm_osthread_windows_hpp, product, threadstate, win32

The osThread_windows.hpp Java example source code

/*
 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#ifndef OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP
#define OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP

  typedef void* HANDLE;
 public:
  typedef unsigned long thread_id_t;

 private:
  // Win32-specific thread information
  HANDLE _thread_handle;        // Win32 thread handle
  HANDLE _interrupt_event;      // Event signalled on thread interrupt
  ThreadState _last_state;

 public:
  // The following will only apply in the Win32 implementation, and should only
  // be visible in the concrete class, not this which should be an abstract base class
  HANDLE thread_handle() const                     { return _thread_handle; }
  void set_thread_handle(HANDLE handle)            { _thread_handle = handle; }
  HANDLE interrupt_event() const                   { return _interrupt_event; }
  void set_interrupt_event(HANDLE interrupt_event) { _interrupt_event = interrupt_event; }

#ifndef PRODUCT
  // Used for debugging, return a unique integer for each thread.
  int thread_identifier() const                    { return _thread_id; }
#endif
#ifdef ASSERT
  // We expect no reposition failures so kill vm if we get one
  //
  bool valid_reposition_failure() {
    return false;
  }
#endif // ASSERT
  bool is_try_mutex_enter()                        { return false; }

  // This is a temporary fix for the thread states during
  // suspend/resume until we throw away OSThread completely.
  // NEEDS_CLEANUP
  void set_last_state(ThreadState state)           { _last_state = state; }
  ThreadState get_last_state()                     { return _last_state; }

 private:
  void pd_initialize();
  void pd_destroy();

#endif // OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP

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