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1026 |
ivang |
/* condmp.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 Condition Variable 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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* condmp.h,v 1.6 1999/11/17 17:50:21 joel Exp
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*/
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#ifndef __RTEMS_POSIX_CONDITION_VARIABLES_MP_h
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#define __RTEMS_POSIX_CONDITION_VARIABLES_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 condition variable operations.
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*/
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typedef enum {
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POSIX_CONDITION_VARIABLES_MP_ANNOUNCE_CREATE = 0,
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POSIX_CONDITION_VARIABLES_MP_ANNOUNCE_DELETE = 1,
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POSIX_CONDITION_VARIABLES_MP_EXTRACT_PROXY = 2,
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POSIX_CONDITION_VARIABLES_MP_OBTAIN_REQUEST = 3,
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POSIX_CONDITION_VARIABLES_MP_OBTAIN_RESPONSE = 4,
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POSIX_CONDITION_VARIABLES_MP_RELEASE_REQUEST = 5,
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POSIX_CONDITION_VARIABLES_MP_RELEASE_RESPONSE = 6,
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} POSIX_Condition_variables_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 condition variable operations.
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*/
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typedef struct {
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MP_packet_Prefix Prefix;
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POSIX_Condition_variables_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_Condition_variables_MP_Packet;
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/*
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* _POSIX_Condition_variables_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_Condition_variables_MP_Send_process_packet (
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POSIX_Condition_variables_MP_Remote_operations operation,
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Objects_Id condition_variables_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_Condition_variables_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_Condition_variables_MP_Send_request_packet (
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POSIX_Condition_variables_MP_Remote_operations operation,
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Objects_Id condition_variables_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_Condition_variables_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_Condition_variables_MP_Send_response_packet (
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POSIX_Condition_variables_MP_Remote_operations operation,
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Objects_Id condition_variables_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_Condition_variables_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_Condition_variables_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_Condition_variables_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_Condition_variables_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_Condition_variables_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_Condition_variables_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_Condition_variables_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 condition variable mp packet.
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*/
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POSIX_Condition_variables_MP_Packet
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*_POSIX_Condition_variables_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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