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Diffstat (limited to 'cpukit/score/src/corebarrier.c')
-rw-r--r-- | cpukit/score/src/corebarrier.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/cpukit/score/src/corebarrier.c b/cpukit/score/src/corebarrier.c new file mode 100644 index 0000000000..55f093ccc3 --- /dev/null +++ b/cpukit/score/src/corebarrier.c @@ -0,0 +1,57 @@ +/* + * SuperCore Barrier Handler + * + * DESCRIPTION: + * + * This package is part of the implementation of the SuperCore Barrier Handler. + * + * COPYRIGHT (c) 1989-2006. + * 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. + * + * $Id$ + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems/system.h> +#include <rtems/score/corebarrier.h> +#include <rtems/score/states.h> +#include <rtems/score/thread.h> +#include <rtems/score/threadq.h> + +/*PAGE + * + * _CORE_barrier_Initialize + * + * This function initialize a barrier and sets the initial value based + * on the given count. + * + * Input parameters: + * the_barrier - the barrier control block to initialize + * the_barrier_attributes - the attributes specified at create time + * + * Output parameters: NONE + */ + +void _CORE_barrier_Initialize( + CORE_barrier_Control *the_barrier, + CORE_barrier_Attributes *the_barrier_attributes +) +{ + + the_barrier->Attributes = *the_barrier_attributes; + the_barrier->number_of_waiting_threads = 0; + + _Thread_queue_Initialize( + &the_barrier->Wait_queue, + THREAD_QUEUE_DISCIPLINE_FIFO, + STATES_WAITING_FOR_BARRIER, + CORE_BARRIER_TIMEOUT + ); +} |