1 /*

     2  * Copyright 1997-2001 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    24 

    25 typedef void* HANDLE;

    26 

    27  private:

    28   // Win32-specific thread information

    29   HANDLE _thread_handle;        // Win32 thread handle

    30   unsigned long _thread_id;     // Win32 thread id

    31   HANDLE _interrupt_event;      // Event signalled on thread interrupt

    32   ThreadState _last_state;

    33 

    34  public:

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

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

    37   HANDLE thread_handle() const                     { return _thread_handle; }

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

    39   HANDLE interrupt_event() const                   { return _interrupt_event; }

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

    41 

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

    43 #ifndef PRODUCT

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

    45   int thread_identifier() const                    { return _thread_id; }

    46 #endif

    47 #ifdef ASSERT

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

    49   //

    50   bool valid_reposition_failure() {

    51     return false;

    52   }

    53 #endif // ASSERT

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

    55 

    56   bool is_try_mutex_enter()                        { return false; }

    57 

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

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

    60   // NEEDS_CLEANUP

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

    62   ThreadState get_last_state()                     { return _last_state; }

    63 

    64  private:

    65   void pd_initialize();

    66   void pd_destroy();