/**
* @file rtems/rtems/semmp.h
*
* This include file contains all the constants and structures associated
* with the Multiprocessing Support in the Semaphore Manager.
*/
/* COPYRIGHT (c) 1989-2008.
* 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_RTEMS_SEMMP_H
#define _RTEMS_RTEMS_SEMMP_H
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems/score/mppkt.h>
#include <rtems/score/object.h>
#include <rtems/rtems/options.h>
#include <rtems/rtems/sem.h>
#include <rtems/score/thread.h>
#include <rtems/score/watchdog.h>
/**
* @defgroup ClassicSEM Semaphore MP Support
*
* @ingroup ClassicMP
*
* This encapsulates functionality which XXX
*/
/**@{*/
/**
* The following enumerated type defines the list of
* remote semaphore operations.
*/
typedef enum {
SEMAPHORE_MP_ANNOUNCE_CREATE = 0,
SEMAPHORE_MP_ANNOUNCE_DELETE = 1,
SEMAPHORE_MP_EXTRACT_PROXY = 2,
SEMAPHORE_MP_OBTAIN_REQUEST = 3,
SEMAPHORE_MP_OBTAIN_RESPONSE = 4,
SEMAPHORE_MP_RELEASE_REQUEST = 5,
SEMAPHORE_MP_RELEASE_RESPONSE = 6
} Semaphore_MP_Remote_operations;
/**
* The following data structure defines the packet used to perform
* remote semaphore operations.
*/
typedef struct {
rtems_packet_prefix Prefix;
Semaphore_MP_Remote_operations operation;
rtems_name name;
rtems_option option_set;
Objects_Id proxy_id;
} Semaphore_MP_Packet;
/**
* @brief Semaphore_MP_Send_process_packet
*
* This routine performs a remote procedure call so that a
* process operation can be performed on another node.
*/
void _Semaphore_MP_Send_process_packet (
Semaphore_MP_Remote_operations operation,
Objects_Id semaphore_id,
rtems_name name,
Objects_Id proxy_id
);
/**
* @brief Semaphore_MP_Send_request_packet
*
* This routine performs a remote procedure call so that a
* directive operation can be initiated on another node.
*/
rtems_status_code _Semaphore_MP_Send_request_packet (
Semaphore_MP_Remote_operations operation,
Objects_Id semaphore_id,
rtems_option option_set,
rtems_interval timeout
);
/**
* @brief Semaphore_MP_Send_response_packet
*
* This routine performs a remote procedure call so that a
* directive can be performed on another node.
*/
void _Semaphore_MP_Send_response_packet (
Semaphore_MP_Remote_operations operation,
Objects_Id semaphore_id,
Thread_Control *the_thread
);
/**
* @brief Semaphore_MP_Process_packet
*
* This routine performs the actions specific to this package for
* the request from another node.
*/
void _Semaphore_MP_Process_packet (
rtems_packet_prefix *the_packet_prefix
);
/**
* @brief Semaphore_MP_Send_object_was_deleted
*
* This routine is invoked indirectly by the thread queue
* when a proxy has been removed from the thread queue and
* the remote node must be informed of this.
*/
void _Semaphore_MP_Send_object_was_deleted (
Thread_Control *the_proxy
);
/**
* @brief Semaphore_MP_Send_extract_proxy
*
* This routine is invoked when a task is deleted and it
* has a proxy which must be removed from a thread queue and
* the remote node must be informed of this.
*/
void _Semaphore_MP_Send_extract_proxy (
void *argument
);
/**
* @brief Semaphore_MP_Get_packet
*
* This function is used to obtain a semaphore mp packet.
*/
Semaphore_MP_Packet *_Semaphore_MP_Get_packet ( void );
/**
* @brief _Semaphore_Core_mutex_mp_support
*
* This function processes the global actions necessary for remote
* accesses to a global semaphore based on a core mutex. This function
* is called by the core.
*/
void _Semaphore_Core_mutex_mp_support (
Thread_Control *the_thread,
Objects_Id id
);
/**
* @brief Semaphore_Core_mp_support
*
* This function processes the global actions necessary for remote
* accesses to a global semaphore based on a core semaphore. This function
* is called by the core.
*/
void _Semaphore_Core_semaphore_mp_support (
Thread_Control *the_thread,
Objects_Id id
);
#ifdef __cplusplus
}
#endif
/**@}*/
#endif
/* end of file */
