diff options
Diffstat (limited to 'cpukit/rtems/inline/rtems/rtems/barrier.inl')
-rw-r--r-- | cpukit/rtems/inline/rtems/rtems/barrier.inl | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/cpukit/rtems/inline/rtems/rtems/barrier.inl b/cpukit/rtems/inline/rtems/rtems/barrier.inl new file mode 100644 index 0000000000..3bec0f2075 --- /dev/null +++ b/cpukit/rtems/inline/rtems/rtems/barrier.inl @@ -0,0 +1,89 @@ +/** + * @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_H +# error "Never use <rtems/rtems/barrier.inl> directly; include <rtems/rtems/barrier.h> instead." +#endif + +#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 bool _Barrier_Is_null ( + Barrier_Control *the_barrier +) +{ + return ( the_barrier == NULL ); +} + +/**@}*/ + +#endif +/* end of include file */ |