4.115
Last change
on this file since 0c551f7 was
0c551f7,
checked in by Sebastian Huber <sebastian.huber@…>, on 08/08/13 at 06:45:33
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score: Add _Scheduler_priority_Get_scheduler_info
Add and use _Scheduler_priority_Get_scheduler_info().
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Property mode set to
100644
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File size:
1.3 KB
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Scheduler Priority Yield |
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5 | * @ingroup ScoreScheduler |
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6 | */ |
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7 | |
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8 | /* |
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9 | * Copyright (C) 2010 Gedare Bloom. |
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10 | * Copyright (C) 2011 On-Line Applications Research Corporation (OAR). |
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11 | * |
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12 | * The license and distribution terms for this file may be |
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13 | * found in the file LICENSE in this distribution or at |
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14 | * http://www.rtems.com/license/LICENSE. |
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15 | */ |
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16 | |
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17 | #if HAVE_CONFIG_H |
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18 | #include "config.h" |
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19 | #endif |
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20 | |
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21 | #include <rtems/score/schedulerpriorityimpl.h> |
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22 | #include <rtems/score/isr.h> |
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23 | #include <rtems/score/threadimpl.h> |
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24 | |
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25 | void _Scheduler_priority_Yield( Thread_Control *thread ) |
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26 | { |
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27 | Scheduler_priority_Per_thread *sched_info_of_thread = |
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28 | _Scheduler_priority_Get_scheduler_info( thread ); |
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29 | Chain_Control *ready_chain = sched_info_of_thread->ready_chain; |
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30 | ISR_Level level; |
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31 | |
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32 | _ISR_Disable( level ); |
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33 | if ( !_Chain_Has_only_one_node( ready_chain ) ) { |
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34 | _Chain_Extract_unprotected( &thread->Object.Node ); |
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35 | _Chain_Append_unprotected( ready_chain, &thread->Object.Node ); |
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36 | |
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37 | _ISR_Flash( level ); |
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38 | |
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39 | if ( _Thread_Is_heir( thread ) ) |
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40 | _Thread_Heir = (Thread_Control *) _Chain_First( ready_chain ); |
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41 | _Thread_Dispatch_necessary = true; |
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42 | } |
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43 | else if ( !_Thread_Is_heir( thread ) ) |
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44 | _Thread_Dispatch_necessary = true; |
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45 | |
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46 | _ISR_Enable( level ); |
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47 | } |
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