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/**
* @file rtems/rtems/barrier.inl
*
* This file contains the static inlin implementation of the inlined
* routines from the Barrier Manager.
*/
/* COPYRIGHT (c) 1989-2008.
* 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.com/license/LICENSE.
*
* $Id$
*/
#ifndef _RTEMS_RTEMS_BARRIER_INL
#define _RTEMS_RTEMS_BARRIER_INL
/**
* @addtogroup ClassicBarrier
* @{
*/
/**
* @brief _Barrier_Allocate
*
* This function allocates a barrier control block from
* the inactive chain of free barrier control blocks.
*/
RTEMS_INLINE_ROUTINE Barrier_Control *_Barrier_Allocate( void )
{
return (Barrier_Control *) _Objects_Allocate( &_Barrier_Information );
}
/**
* @brief _Barrier_Free
*
* This routine frees a barrier control block to the
* inactive chain of free barrier control blocks.
*/
RTEMS_INLINE_ROUTINE void _Barrier_Free (
Barrier_Control *the_barrier
)
{
_Objects_Free( &_Barrier_Information, &the_barrier->Object );
}
/**
* @brief _Barrier_Get
*
* This function maps barrier IDs to barrier control blocks.
* If ID corresponds to a local barrier, then it returns
* the_barrier control pointer which maps to ID and location
* is set to OBJECTS_LOCAL. if the barrier ID is global and
* resides on a remote node, then location is set to OBJECTS_REMOTE,
* and the_barrier is undefined. Otherwise, location is set
* to OBJECTS_ERROR and the_barrier is undefined.
*/
RTEMS_INLINE_ROUTINE Barrier_Control *_Barrier_Get (
Objects_Id id,
Objects_Locations *location
)
{
return (Barrier_Control *)
_Objects_Get( &_Barrier_Information, id, location );
}
/**
* @brief _Barrier_Is_null
*
* This function returns TRUE if the_barrier is NULL and FALSE otherwise.
*/
RTEMS_INLINE_ROUTINE boolean _Barrier_Is_null (
Barrier_Control *the_barrier
)
{
return ( the_barrier == NULL );
}
/**@}*/
#endif
/* end of include file */
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