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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [posix/] [include/] [rtems/] [posix/] [mqueuemp.h] - Blame information for rev 546

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1 30 unneback 
/*  mqueuemp.h
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 *
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 *  This include file contains all the constants and structures associated
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 *  with the Multiprocessing Support in the POSIX Message Queue Manager.
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 *
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: mqueuemp.h,v 1.2 2001-09-27 11:59:14 chris Exp $
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 */
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#ifndef __RTEMS_POSIX_MESSAGE_QUEUE_MP_h
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#define __RTEMS_POSIX_MESSAGE_QUEUE_MP_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <rtems/score/mppkt.h>
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#include <rtems/score/object.h>
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#include <rtems/score/thread.h>
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#include <rtems/score/watchdog.h>
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/*
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 *  The following enumerated type defines the list of
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 *  remote message queue operations.
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 */
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typedef enum {
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  POSIX_MESSAGE_QUEUE_MP_ANNOUNCE_CREATE  =  0,
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  POSIX_MESSAGE_QUEUE_MP_ANNOUNCE_DELETE  =  1,
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  POSIX_MESSAGE_QUEUE_MP_EXTRACT_PROXY    =  2,
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  POSIX_MESSAGE_QUEUE_MP_OBTAIN_REQUEST   =  3,
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  POSIX_MESSAGE_QUEUE_MP_OBTAIN_RESPONSE  =  4,
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  POSIX_MESSAGE_QUEUE_MP_RELEASE_REQUEST  =  5,
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  POSIX_MESSAGE_QUEUE_MP_RELEASE_RESPONSE =  6,
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}   POSIX_Message_queue_MP_Remote_operations;
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/*
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 *  The following data structure defines the packet used to perform
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 *  remote message queue operations.
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 */
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typedef struct {
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  MP_packet_Prefix                          Prefix;
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  POSIX_Message_queue_MP_Remote_operations  operation;
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  Objects_Name                              name;
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  boolean                                   wait;  /* XXX options */
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  Objects_Id                                proxy_id;
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}   POSIX_Message_queue_MP_Packet;
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/*
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 *  _POSIX_Message_queue_MP_Send_process_packet
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 *
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 *  DESCRIPTION:
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 *
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 *  This routine performs a remote procedure call so that a
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 *  process operation can be performed on another node.
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 */
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void _POSIX_Message_queue_MP_Send_process_packet (
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  POSIX_Message_queue_MP_Remote_operations  operation,
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  Objects_Id                        mq_id,
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  Objects_Name                      name,
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  Objects_Id                        proxy_id
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);
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/*
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 *  _POSIX_Message_queue_MP_Send_request_packet
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 *
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 *  DESCRIPTION:
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 *
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 *  This routine performs a remote procedure call so that a
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 *  directive operation can be initiated on another node.
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 */
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int _POSIX_Message_queue_MP_Send_request_packet (
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  POSIX_Message_queue_MP_Remote_operations  operation,
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  Objects_Id                                mq_id,
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  boolean                                   wait,  /* XXX options */
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  Watchdog_Interval                         timeout
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);
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/*
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 *  _POSIX_Message_queue_MP_Send_response_packet
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 *
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 *  DESCRIPTION:
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 *
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 *  This routine performs a remote procedure call so that a
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 *  directive can be performed on another node.
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 */
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void _POSIX_Message_queue_MP_Send_response_packet (
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  POSIX_Message_queue_MP_Remote_operations  operation,
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  Objects_Id                        mq_id,
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  Thread_Control                   *the_thread
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);
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/*
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 *
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 *  _POSIX_Message_queue_MP_Process_packet
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 *
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 *  DESCRIPTION:
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 *
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 *  This routine performs the actions specific to this package for
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 *  the request from another node.
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 */
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void _POSIX_Message_queue_MP_Process_packet (
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  MP_packet_Prefix *the_packet_prefix
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);
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/*
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 *  _POSIX_Message_queue_MP_Send_object_was_deleted
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 *
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 *  DESCRIPTION:
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 *
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 *  This routine is invoked indirectly by the thread queue
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 *  when a proxy has been removed from the thread queue and
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 *  the remote node must be informed of this.
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 */
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void _POSIX_Message_queue_MP_Send_object_was_deleted (
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  Thread_Control *the_proxy
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);
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/*
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 *  _POSIX_Message_queue_MP_Send_extract_proxy
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 *
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 *  DESCRIPTION:
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 *
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 *  This routine is invoked when a task is deleted and it
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 *  has a proxy which must be removed from a thread queue and
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 *  the remote node must be informed of this.
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 */
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void _POSIX_Message_queue_MP_Send_extract_proxy (
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  Thread_Control *the_thread
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);
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/*
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 *  _POSIX_Message_queue_MP_Get_packet
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 *
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 *  DESCRIPTION:
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 *
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 *  This function is used to obtain a message queue mp packet.
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 */
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POSIX_Message_queue_MP_Packet *_POSIX_Message_queue_MP_Get_packet ( void );
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#ifdef __cplusplus
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}
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#endif
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#endif
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/* end of file */

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