4.115
Last change
on this file since f031df0e was
a112364,
checked in by Sebastian Huber <sebastian.huber@…>, on 07/24/13 at 15:30:26
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score: Create threadq implementation header
Move implementation specific parts of tqdata.h, threadq.h and
threadq.inl into new header file threadqimpl.h. The threadq.h contains
now only the application visible API.
Delete tqdata.h.
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-
Property mode set to
100644
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File size:
921 bytes
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Returns Highest Priority Thread on Thread Queue |
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5 | * |
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6 | * @ingroup ScoreThreadQ |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Thread Queue Handler |
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11 | * |
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12 | * |
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13 | * COPYRIGHT (c) 1989-2008. |
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14 | * On-Line Applications Research Corporation (OAR). |
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15 | * |
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16 | * The license and distribution terms for this file may be |
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17 | * found in the file LICENSE in this distribution or at |
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18 | * http://www.rtems.com/license/LICENSE. |
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19 | */ |
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20 | |
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21 | #if HAVE_CONFIG_H |
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22 | #include "config.h" |
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23 | #endif |
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24 | |
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25 | #include <rtems/score/threadqimpl.h> |
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26 | #include <rtems/score/chainimpl.h> |
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27 | |
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28 | Thread_Control *_Thread_queue_First_priority ( |
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29 | Thread_queue_Control *the_thread_queue |
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30 | ) |
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31 | { |
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32 | uint32_t index; |
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33 | |
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34 | for( index=0 ; |
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35 | index < TASK_QUEUE_DATA_NUMBER_OF_PRIORITY_HEADERS ; |
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36 | index++ ) { |
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37 | if ( !_Chain_Is_empty( &the_thread_queue->Queues.Priority[ index ] ) ) |
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38 | return (Thread_Control *) _Chain_First( |
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39 | &the_thread_queue->Queues.Priority[ index ] |
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40 | ); |
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41 | } |
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42 | return NULL; |
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43 | } |
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