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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 RTEMSScoreScheduler |
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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.org/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/threadimpl.h> |
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23 | |
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24 | void _Scheduler_priority_Yield( |
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25 | const Scheduler_Control *scheduler, |
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26 | Thread_Control *the_thread, |
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27 | Scheduler_Node *node |
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28 | ) |
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29 | { |
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30 | Scheduler_priority_Node *the_node; |
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31 | Chain_Control *ready_chain; |
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32 | |
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33 | the_node = _Scheduler_priority_Node_downcast( node ); |
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34 | ready_chain = the_node->Ready_queue.ready_chain; |
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35 | |
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36 | if ( !_Chain_Has_only_one_node( ready_chain ) ) { |
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37 | _Chain_Extract_unprotected( &the_thread->Object.Node ); |
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38 | _Chain_Append_unprotected( ready_chain, &the_thread->Object.Node ); |
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39 | } |
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40 | |
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41 | _Scheduler_priority_Schedule_body( scheduler, the_thread, true ); |
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42 | } |
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