From 9c191eea63fd6c5511c01186297722e594220032 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Mon, 25 Sep 2006 13:36:58 +0000 Subject: * score/Makefile.am, score/preinstall.am, score/include/rtems/score/coresem.h, score/include/rtems/score/object.h, score/include/rtems/score/states.h, score/inline/rtems/score/coresem.inl: Add SuperCore Barriers, SpinLocks and a partial implementation of RWLocks. * score/include/rtems/score/corebarrier.h, score/include/rtems/score/corerwlock.h, score/include/rtems/score/corespinlock.h, score/inline/rtems/score/corebarrier.inl, score/inline/rtems/score/corerwlock.inl, score/inline/rtems/score/corespinlock.inl, score/macros/rtems/score/corebarrier.inl, score/macros/rtems/score/corerwlock.inl, score/macros/rtems/score/corespinlock.inl, score/src/corebarrier.c, score/src/corebarrierrelease.c, score/src/corebarrierwait.c, score/src/corerwlock.c, score/src/corerwlockobtainread.c, score/src/corerwlockobtainwrite.c, score/src/corerwlockrelease.c, score/src/corespinlock.c, score/src/corespinlockrelease.c, score/src/corespinlockwait.c: New files. --- cpukit/score/src/corebarrier.c | 60 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 cpukit/score/src/corebarrier.c (limited to 'cpukit/score/src/corebarrier.c') diff --git a/cpukit/score/src/corebarrier.c b/cpukit/score/src/corebarrier.c new file mode 100644 index 0000000000..b118944bbe --- /dev/null +++ b/cpukit/score/src/corebarrier.c @@ -0,0 +1,60 @@ +/* + * 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 +#include +#include +#include +#include +#if defined(RTEMS_MULTIPROCESSING) +#include +#endif + +/*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 + ); +} -- cgit v1.2.3