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/**
* @file
*
* @ingroup ClassicUserExtensions
*
* @brief User Extensions Implementation.
*/
/*
* COPYRIGHT (c) 1989-2007.
* 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.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/rtems/support.h>
#include <rtems/score/thread.h>
#include <rtems/score/userextimpl.h>
#include <rtems/extensionimpl.h>
rtems_status_code rtems_extension_create(
rtems_name name,
const rtems_extensions_table *extension_table,
rtems_id *id
)
{
Extension_Control *the_extension;
if ( !id )
return RTEMS_INVALID_ADDRESS;
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_with_table( &the_extension->Extension, extension_table );
_Objects_Open(
&_Extension_Information,
&the_extension->Object,
(Objects_Name) name
);
*id = the_extension->Object.id;
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
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