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/*  threadmp.h

 *

 *  This include file contains the specification for all routines

 *  and data specific to the multiprocessing portion of the thread package.

 *

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  $Id: threadmp.h,v 1.2 2001-09-27 11:59:32 chris Exp $

 */

#ifndef __RTEMS_THREAD_MP_h

#define __RTEMS_THREAD_MP_h

#ifdef __cplusplus

extern "C" {

#endif

/*

 *  _Thread_MP_Handler_initialization

 *

 *  DESCRIPTION:

 *

 *  This routine initializes the multiprocessing portion of the Thread Handler.

 */

void _Thread_MP_Handler_initialization (

  unsigned32 maximum_proxies

);

/*

 *  _Thread_MP_Allocate_proxy

 *

 *  DESCRIPTION:

 *

 *  This  allocates a proxy control block from

 *  the inactive chain of free proxy control blocks.

 *

 *  NOTE: This function returns a thread control pointer

 *        because proxies are substitutes for remote threads.

 */

Thread_Control *_Thread_MP_Allocate_proxy (

  States_Control the_state

);

/*

 *  _Thread_MP_Find_proxy

 *

 *  DESCRIPTION:

 *

 *  This function removes the proxy control block for the specified

 *  id from the active chain of proxy control blocks.

 */

Thread_Control *_Thread_MP_Find_proxy (

  Objects_Id the_id

);

/*

 *  The following is used to determine when the multiprocessing receive

 *  thread is executing so that a proxy can be allocated instead of

 *  blocking the multiprocessing receive thread.

 */

SCORE_EXTERN Thread_Control *_Thread_MP_Receive;

/*

 * The following chains are used to manage proxies.

 */

SCORE_EXTERN Chain_Control _Thread_MP_Active_proxies;

SCORE_EXTERN Chain_Control _Thread_MP_Inactive_proxies;

#ifndef __RTEMS_APPLICATION__

#include <rtems/score/threadmp.inl>

#endif

#ifdef __cplusplus

}

#endif

#endif

/* end of include file */