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/* semaphoremp.h
*
* This include file contains all the constants and structures associated
* with the Multiprocessing Support in the POSIX Semaphore Manager.
*
* 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.
*
* $Id$
*/
#ifndef __RTEMS_POSIX_SEMAPHORE_MP_h
#define __RTEMS_POSIX_SEMAPHORE_MP_h
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems/score/mppkt.h>
#include <rtems/score/object.h>
#include <rtems/score/thread.h>
#include <rtems/score/watchdog.h>
/*
* The following enumerated type defines the list of
* remote semaphore operations.
*/
typedef enum {
POSIX_SEMAPHORE_MP_ANNOUNCE_CREATE = 0,
POSIX_SEMAPHORE_MP_ANNOUNCE_DELETE = 1,
POSIX_SEMAPHORE_MP_EXTRACT_PROXY = 2,
POSIX_SEMAPHORE_MP_OBTAIN_REQUEST = 3,
POSIX_SEMAPHORE_MP_OBTAIN_RESPONSE = 4,
POSIX_SEMAPHORE_MP_RELEASE_REQUEST = 5,
POSIX_SEMAPHORE_MP_RELEASE_RESPONSE = 6,
} POSIX_Semaphore_MP_Remote_operations;
/*
* The following data structure defines the packet used to perform
* remote semaphore operations.
*/
typedef struct {
MP_packet_Prefix Prefix;
POSIX_Semaphore_MP_Remote_operations operation;
Objects_Name name;
boolean wait; /* XXX options */
Objects_Id proxy_id;
} POSIX_Semaphore_MP_Packet;
/*
* _POSIX_Semaphore_MP_Send_process_packet
*
* DESCRIPTION:
*
* This routine performs a remote procedure call so that a
* process operation can be performed on another node.
*/
void _POSIX_Semaphore_MP_Send_process_packet(
POSIX_Semaphore_MP_Remote_operations operation,
Objects_Id semaphore_id,
Objects_Name name,
Objects_Id proxy_id
);
/*
* _POSIX_Semaphore_MP_Send_request_packet
*
* DESCRIPTION:
*
* This routine performs a remote procedure call so that a
* directive operation can be initiated on another node.
*/
int _POSIX_Semaphore_MP_Send_request_packet(
POSIX_Semaphore_MP_Remote_operations operation,
Objects_Id semaphore_id,
boolean wait, /* XXX options */
Watchdog_Interval timeout
);
/*
* _POSIX_Semaphore_MP_Send_response_packet
*
* DESCRIPTION:
*
* This routine performs a remote procedure call so that a
* directive can be performed on another node.
*/
void _POSIX_Semaphore_MP_Send_response_packet(
POSIX_Semaphore_MP_Remote_operations operation,
Objects_Id semaphore_id,
Thread_Control *the_thread
);
/*
*
* _POSIX_Semaphore_MP_Process_packet
*
* DESCRIPTION:
*
* This routine performs the actions specific to this package for
* the request from another node.
*/
void _POSIX_Semaphore_MP_Process_packet(
MP_packet_Prefix *the_packet_prefix
);
/*
* _POSIX_Semaphore_MP_Send_object_was_deleted
*
* DESCRIPTION:
*
* 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 _POSIX_Semaphore_MP_Send_object_was_deleted(
Thread_Control *the_proxy
);
/*
* _POSIX_Semaphore_MP_Send_extract_proxy
*
* DESCRIPTION:
*
* 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 _POSIX_Semaphore_MP_Send_extract_proxy(
Thread_Control *the_thread
);
/*
* _POSIX_Semaphore_MP_Get_packet
*
* DESCRIPTION:
*
* This function is used to obtain a semaphore mp packet.
*/
POSIX_Semaphore_MP_Packet *_POSIX_Semaphore_MP_Get_packet( void );
#ifdef __cplusplus
}
#endif
#endif
/* end of file */
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