blob: 6998190652793ad4d06378b0b5026c42f73c844e (
plain) (
tree)
|
|
/**
* @file rtems/score/threadmp.h
*
* This include file contains the specification for all routines
* and data specific to the multiprocessing portion of the thread package.
*/
/*
* COPYRIGHT (c) 1989-2009.
* 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.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifndef _RTEMS_SCORE_THREADMP_H
#define _RTEMS_SCORE_THREADMP_H
/**
* @defgroup ScoreThreadMP Thread Handler Multiprocessing Support
*
* This handler encapsulates functionality which is related to managing
* threads in a multiprocessor system configuration. This handler must
* manage proxies which represent remote threads blocking on local
* operations.
*/
/**@{*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief _Thread_MP_Handler_initialization
*
* This routine initializes the multiprocessing portion of the Thread Handler.
*/
void _Thread_MP_Handler_initialization (
uint32_t maximum_proxies
);
/**
* @brief _Thread_MP_Allocate_proxy
*
* 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
);
/**
* @brief _Thread_MP_Find_proxy
*
* 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
);
/**
* @brief Active Proxy Set
*
* The following chain is used to manage the active set proxies.
*/
SCORE_EXTERN Chain_Control _Thread_MP_Active_proxies;
/**
* @brief Inactive Proxy Set
*
* The following chain is used to manage the inactive set of 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 */
|