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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [itron/] [inline/] [rtems/] [itron/] [port.inl] - Rev 30
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/*
* 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: port.inl,v 1.2 2001-09-27 11:59:13 chris Exp $
*/
#ifndef __ITRON_PORT_inl_
#define __ITRON_PORT_inl_
#ifdef __cplusplus
extern "C" {
#endif
/*
* _ITRON_Port_Allocate
*
* DESCRIPTION:
*
* This routine allocates the port associated with the specified
* port ID from the pool of inactive ports.
*
* Input parameters:
* porid - id of port to allocate
* status - pointer to status variable
*
* Output parameters:
* returns - pointer to the port control block
* *status - status
*/
RTEMS_INLINE_ROUTINE ITRON_Port_Control *_ITRON_Port_Allocate(
ID porid
)
{
return (ITRON_Port_Control *)_ITRON_Objects_Allocate_by_index(
&_ITRON_Port_Information,
porid,
sizeof(ITRON_Port_Control)
);
}
/*
* _ITRON_Port_Clarify_allocation_id_error
*
* This function is invoked when an object allocation ID error
* occurs to determine the specific ITRON error code to return.
*/
#define _ITRON_Port_Clarify_allocation_id_error( _id ) \
_ITRON_Objects_Clarify_allocation_id_error( \
&_ITRON_Port_Information, (_id) )
/*
* _ITRON_Port_Clarify_get_id_error
*
* This function is invoked when an object get ID error
* occurs to determine the specific ITRON error code to return.
*/
#define _ITRON_Port_Clarify_get_id_error( _id ) \
_ITRON_Objects_Clarify_get_id_error( &_ITRON_Port_Information, (_id) )
/*
* _ITRON_Port_Free
*
* DESCRIPTION:
*
* This routine frees a port control block to the
* inactive chain of free port control blocks.
*
* Input parameters:
* the_port - pointer to port control block
*
* Output parameters: NONE
*/
RTEMS_INLINE_ROUTINE void _ITRON_Port_Free (
ITRON_Port_Control *the_port
)
{
_ITRON_Objects_Free( &_ITRON_Port_Information, &the_port->Object );
}
/*PAGE
*
* _ITRON_Port_Get
*
* DESCRIPTION:
*
* This function maps port IDs to port control blocks.
* If ID corresponds to a local port, then it returns
* the_port control pointer which maps to ID and location
* is set to OBJECTS_LOCAL. if the port ID is global and
* resides on a remote node, then location is set to OBJECTS_REMOTE,
* and the_port is undefined. Otherwise, location is set
* to OBJECTS_ERROR and the_port is undefined.
*
* Input parameters:
* id - ITRON port ID.
* the_location - pointer to a location variable
*
* Output parameters:
* *the_location - location of the object
*/
RTEMS_INLINE_ROUTINE ITRON_Port_Control *_ITRON_Port_Get (
ID id,
Objects_Locations *location
)
{
return (ITRON_Port_Control *)
_ITRON_Objects_Get( &_ITRON_Port_Information, id, location );
}
/*PAGE
*
* _ITRON_Port_Is_null
*
* This function returns TRUE if the_port is NULL and FALSE otherwise.
*
* Input parameters:
* the_port - pointer to port control block
*
* Output parameters:
* TRUE - if the_port is NULL
* FALSE - otherwise
*/
RTEMS_INLINE_ROUTINE boolean _ITRON_Port_Is_null (
ITRON_Port_Control *the_port
)
{
return ( the_port == NULL );
}
/*
* XXX insert inline routines here
*/
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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