forked from Imagelibrary/rtems
85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/*
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* Copyright (c) 2016 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Dornierstr. 4
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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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.org/license/LICENSE.
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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/score/threadimpl.h>
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#include <rtems/score/schedulerimpl.h>
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#if defined(RTEMS_SMP)
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void _Thread_Scheduler_process_requests( Thread_Control *the_thread )
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{
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ISR_lock_Context lock_context;
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Scheduler_Node *scheduler_node;
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_Thread_Scheduler_acquire_critical( the_thread, &lock_context );
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scheduler_node = the_thread->Scheduler.requests;
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if ( scheduler_node != NULL ) {
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Scheduler_Node *next;
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Scheduler_Node *remove;
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the_thread->Scheduler.requests = NULL;
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remove = NULL;
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do {
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Scheduler_Node_request request;
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request = scheduler_node->Thread.request;
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scheduler_node->Thread.request = SCHEDULER_NODE_REQUEST_NOT_PENDING;
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next = scheduler_node->Thread.next_request;
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#if defined(RTEMS_DEBUG)
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scheduler_node->Thread.next_request = NULL;
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#endif
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if ( request == SCHEDULER_NODE_REQUEST_ADD ) {
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_Chain_Append_unprotected(
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&the_thread->Scheduler.Scheduler_nodes,
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&scheduler_node->Thread.Scheduler_node.Chain
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);
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} else if ( request == SCHEDULER_NODE_REQUEST_REMOVE ) {
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_Chain_Extract_unprotected(
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&scheduler_node->Thread.Scheduler_node.Chain
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);
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scheduler_node->Thread.Scheduler_node.next = remove;
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remove = scheduler_node;
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} else {
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_Assert( request == SCHEDULER_NODE_REQUEST_NOTHING );
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}
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scheduler_node = next;
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} while ( scheduler_node != NULL );
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_Thread_Scheduler_release_critical( the_thread, &lock_context );
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scheduler_node = remove;
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while ( scheduler_node != NULL ) {
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next = scheduler_node->Thread.Scheduler_node.next;
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#if defined(RTEMS_DEBUG)
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scheduler_node->Thread.Scheduler_node.next = NULL;
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#endif
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scheduler_node = next;
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}
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} else {
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_Thread_Scheduler_release_critical( the_thread, &lock_context );
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}
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}
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#endif
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