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

     1 /*

     2  * Copyright (c) 1997, 2012, 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_OSTHREAD_WINDOWS_HPP

    26 #define OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP

    28 typedef void* HANDLE;

    30  private:

    31   // Win32-specific thread information

    32   HANDLE _thread_handle;        // Win32 thread handle

    33   unsigned long _thread_id;     // Win32 thread id

    34   HANDLE _interrupt_event;      // Event signalled on thread interrupt

    35   ThreadState _last_state;

    37  public:

    38   // The following will only apply in the Win32 implementation, and should only

    39   // be visible in the concrete class, not this which should be an abstract base class

    40   HANDLE thread_handle() const                     { return _thread_handle; }

    41   void set_thread_handle(HANDLE handle)            { _thread_handle = handle; }

    42   HANDLE interrupt_event() const                   { return _interrupt_event; }

    43   void set_interrupt_event(HANDLE interrupt_event) { _interrupt_event = interrupt_event; }

    46   static size_t thread_id_size()                   { return sizeof(unsigned long); }

    47   unsigned long thread_id() const                  { return _thread_id; }

    48 #ifndef PRODUCT

    49   // Used for debugging, return a unique integer for each thread.

    50   int thread_identifier() const                    { return _thread_id; }

    51 #endif

    52 #ifdef ASSERT

    53   // We expect no reposition failures so kill vm if we get one

    54   //

    55   bool valid_reposition_failure() {

    56     return false;

    57   }

    58 #endif // ASSERT

    59   void set_thread_id(unsigned long thread_id)      { _thread_id = thread_id; }

    61   bool is_try_mutex_enter()                        { return false; }

    63   // This is a temporary fix for the thread states during

    64   // suspend/resume until we throw away OSThread completely.

    65   // NEEDS_CLEANUP

    66   void set_last_state(ThreadState state)           { _last_state = state; }

    67   ThreadState get_last_state()                     { return _last_state; }

    69  private:

    70   void pd_initialize();

    71   void pd_destroy();

    73 #endif // OS_WINDOWS_VM_OSTHREAD_WINDOWS_HPP

src/os/windows/vm/osThread_windows.hpp@0105f367a14c