4.115
Last change
on this file since d7c3883 was
4e1304d,
checked in by Joel Sherrill <joel.sherrill@…>, on 01/22/08 at 19:10:04
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2008-01-22 Joel Sherrill <joel.sherrill@…>
- score/src/threadqfirst.c: Remove switch.
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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 | * Thread Queue Handler |
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3 | * |
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4 | * |
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5 | * COPYRIGHT (c) 1989-2008. |
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6 | * On-Line Applications Research Corporation (OAR). |
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7 | * |
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8 | * The license and distribution terms for this file may be |
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9 | * found in the file LICENSE in this distribution or at |
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10 | * http://www.rtems.com/license/LICENSE. |
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11 | * |
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12 | * $Id$ |
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13 | */ |
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14 | |
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15 | #if HAVE_CONFIG_H |
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16 | #include "config.h" |
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17 | #endif |
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18 | |
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19 | #include <rtems/system.h> |
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20 | #include <rtems/score/chain.h> |
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21 | #include <rtems/score/isr.h> |
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22 | #include <rtems/score/object.h> |
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23 | #include <rtems/score/states.h> |
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24 | #include <rtems/score/thread.h> |
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25 | #include <rtems/score/threadq.h> |
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26 | #include <rtems/score/tqdata.h> |
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27 | |
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28 | /*PAGE |
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29 | * |
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30 | * _Thread_queue_First |
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31 | * |
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32 | * This routines returns a pointer to the first thread on the |
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33 | * specified threadq. |
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34 | * |
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35 | * Input parameters: |
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36 | * the_thread_queue - pointer to thread queue |
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37 | * |
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38 | * Output parameters: |
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39 | * returns - first thread or NULL |
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40 | */ |
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41 | |
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42 | Thread_Control *_Thread_queue_First( |
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43 | Thread_queue_Control *the_thread_queue |
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44 | ) |
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45 | { |
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46 | Thread_Control * (*first_p)(Thread_queue_Control *); |
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47 | |
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48 | if ( the_thread_queue->discipline == THREAD_QUEUE_DISCIPLINE_PRIORITY ) |
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49 | first_p = _Thread_queue_First_priority; |
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50 | else /* must be THREAD_QUEUE_DISCIPLINE_FIFO */ |
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51 | first_p = _Thread_queue_First_fifo; |
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52 | |
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53 | return (*first_p)( the_thread_queue ); |
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54 | } |
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