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/* extension.inl
*
* This file contains the static inline implementation of the inlined routines
* from the Extension Manager.
*
* COPYRIGHT (c) 1989-1998.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* 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.
*
* $Id$
*/
#ifndef __EXTENSION_MANAGER_inl
#define __EXTENSION_MANAGER_inl
/*PAGE
*
* _Extension_Allocate
*
* DESCRIPTION:
*
* This function allocates a extension control block from
* the inactive chain of free extension control blocks.
*/
RTEMS_INLINE_ROUTINE Extension_Control *_Extension_Allocate( void )
{
return (Extension_Control *) _Objects_Allocate( &_Extension_Information );
}
/*PAGE
*
* _Extension_Free
*
* DESCRIPTION:
*
* This routine frees a extension control block to the
* inactive chain of free extension control blocks.
*/
RTEMS_INLINE_ROUTINE void _Extension_Free (
Extension_Control *the_extension
)
{
_Objects_Free( &_Extension_Information, &the_extension->Object );
}
/*PAGE
*
* _Extension_Get
*
* DESCRIPTION:
*
* This function maps extension IDs to extension control blocks.
* If ID corresponds to a local extension, then it returns
* the extension control pointer which maps to ID and location
* is set to OBJECTS_LOCAL. Otherwise, location is set
* to OBJECTS_ERROR and the returned value is undefined.
*/
RTEMS_INLINE_ROUTINE Extension_Control *_Extension_Get (
Objects_Id id,
Objects_Locations *location
)
{
return (Extension_Control *)
_Objects_Get( &_Extension_Information, id, location );
}
/*PAGE
*
* _Extension_Is_null
*
* DESCRIPTION:
*
* This function returns TRUE if the_extension is NULL and FALSE otherwise.
*/
RTEMS_INLINE_ROUTINE boolean _Extension_Is_null (
Extension_Control *the_extension
)
{
return ( the_extension == NULL );
}
#endif
/* end of include file */
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