forked from Imagelibrary/rtems
9c191eea63
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.
61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/*
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* SuperCore Barrier Handler
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*
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* DESCRIPTION:
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*
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* This package is part of the implementation of the SuperCore Barrier Handler.
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*
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* COPYRIGHT (c) 1989-2006.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems/system.h>
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#include <rtems/score/corebarrier.h>
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#include <rtems/score/states.h>
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#include <rtems/score/thread.h>
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#include <rtems/score/threadq.h>
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#if defined(RTEMS_MULTIPROCESSING)
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#include <rtems/score/mpci.h>
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#endif
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/*PAGE
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*
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* _CORE_barrier_Initialize
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*
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* This function initialize a barrier and sets the initial value based
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* on the given count.
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*
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* Input parameters:
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* the_barrier - the barrier control block to initialize
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* the_barrier_attributes - the attributes specified at create time
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*
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* Output parameters: NONE
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*/
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void _CORE_barrier_Initialize(
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CORE_barrier_Control *the_barrier,
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CORE_barrier_Attributes *the_barrier_attributes
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)
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{
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the_barrier->Attributes = *the_barrier_attributes;
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the_barrier->number_of_waiting_threads = 0;
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_Thread_queue_Initialize(
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&the_barrier->Wait_queue,
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THREAD_QUEUE_DISCIPLINE_FIFO,
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STATES_WAITING_FOR_BARRIER,
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CORE_BARRIER_TIMEOUT
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);
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}
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