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/*
* Extension Manager -- rtems_extension_create
*
*
* COPYRIGHT (c) 1989-2002.
* 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.
*
* $Id$
*/
#include <rtems/system.h>
#include <rtems/rtems/support.h>
#include <rtems/score/object.h>
#include <rtems/score/thread.h>
#include <rtems/extension.h>
/*PAGE
*
* rtems_extension_create
*
* This directive creates a extension and performs some initialization.
*
* Input parameters:
* name - extension name
* extension_table - pointer to extension set information
* id - pointer to extension id
*
* Output parameters:
* id - extension id
* RTEMS_SUCCESSFUL - if successful
* error code - if unsuccessful
*/
rtems_status_code rtems_extension_create(
rtems_name name,
rtems_extensions_table *extension_table,
Objects_Id *id
)
{
Extension_Control *the_extension;
if ( !rtems_is_name_valid( name ) )
return RTEMS_INVALID_NAME;
_Thread_Disable_dispatch(); /* to prevent deletion */
the_extension = _Extension_Allocate();
if ( !the_extension ) {
_Thread_Enable_dispatch();
return RTEMS_TOO_MANY;
}
_User_extensions_Add_set( &the_extension->Extension, extension_table );
_Objects_Open( &_Extension_Information, &the_extension->Object, &name );
*id = the_extension->Object.id;
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
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