4.115
Last change
on this file since f031df0e was
6eba7c85,
checked in by Sebastian Huber <sebastian.huber@…>, on 06/10/13 at 14:15:46
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scheduler: Specify thread of yield operation
The yielding thread of the yield operation is now specified by a
parameter. The tick operation may be performed for each executing
thread in a SMP configuration.
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-
Property mode set to
100644
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File size:
1.2 KB
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Scheduler EDF Yield |
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5 | * |
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6 | * @ingroup ScoreScheduler |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (C) 2011 Petr Benes. |
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11 | * Copyright (C) 2011 On-Line Applications Research Corporation (OAR). |
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12 | * |
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13 | * The license and distribution terms for this file may be |
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14 | * found in the file LICENSE in this distribution or at |
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15 | * http://www.rtems.com/license/LICENSE. |
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16 | */ |
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17 | |
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18 | #if HAVE_CONFIG_H |
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19 | #include "config.h" |
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20 | #endif |
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21 | |
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22 | #include <rtems/system.h> |
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23 | #include <rtems/score/isr.h> |
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24 | #include <rtems/score/scheduler.h> |
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25 | #include <rtems/score/scheduleredf.h> |
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26 | #include <rtems/score/thread.h> |
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27 | |
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28 | void _Scheduler_EDF_Yield( Thread_Control *thread ) |
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29 | { |
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30 | ISR_Level level; |
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31 | |
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32 | Scheduler_EDF_Per_thread *thread_info = |
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33 | (Scheduler_EDF_Per_thread *) thread->scheduler_info; |
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34 | RBTree_Node *thread_node = &(thread_info->Node); |
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35 | |
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36 | _ISR_Disable( level ); |
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37 | |
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38 | /* |
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39 | * The RBTree has more than one node, enqueue behind the tasks |
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40 | * with the same priority in case there are such ones. |
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41 | */ |
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42 | _RBTree_Extract( &_Scheduler_EDF_Ready_queue, thread_node ); |
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43 | _RBTree_Insert( &_Scheduler_EDF_Ready_queue, thread_node ); |
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44 | |
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45 | _ISR_Flash( level ); |
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46 | |
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47 | _Scheduler_EDF_Schedule(); |
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48 | _Thread_Dispatch_necessary = true; |
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49 | |
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50 | _ISR_Enable( level ); |
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51 | } |
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