5
Last change
on this file since 80cf60e was
80cf60e,
checked in by Sebastian Huber <sebastian.huber@…>, on 04/15/20 at 07:48:32
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Canonicalize config.h include
Use the following variant which was already used by most source files:
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
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Property mode set to
100644
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File size:
1.1 KB
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Line | |
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief RTEMS Suspend Task |
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5 | * @ingroup ClassicTasks |
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6 | */ |
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7 | |
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8 | /* |
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9 | * COPYRIGHT (c) 1989-2014. |
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10 | * 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 | #ifdef 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/rtems/tasksimpl.h> |
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22 | #include <rtems/score/threadimpl.h> |
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23 | |
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24 | rtems_status_code rtems_task_suspend( |
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25 | rtems_id id |
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26 | ) |
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27 | { |
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28 | Thread_Control *the_thread; |
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29 | ISR_lock_Context lock_context; |
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30 | Per_CPU_Control *cpu_self; |
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31 | States_Control previous_state; |
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32 | |
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33 | the_thread = _Thread_Get( id, &lock_context ); |
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34 | |
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35 | if ( the_thread == NULL ) { |
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36 | #if defined(RTEMS_MULTIPROCESSING) |
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37 | return _RTEMS_tasks_MP_Suspend( id ); |
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38 | #else |
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39 | return RTEMS_INVALID_ID; |
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40 | #endif |
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41 | } |
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42 | |
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43 | cpu_self = _Thread_Dispatch_disable_critical( &lock_context ); |
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44 | _ISR_lock_ISR_enable( &lock_context ); |
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45 | |
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46 | previous_state = _Thread_Set_state( the_thread, STATES_SUSPENDED ); |
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47 | |
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48 | _Thread_Dispatch_enable( cpu_self ); |
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49 | return _States_Is_suspended( previous_state ) ? |
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50 | RTEMS_ALREADY_SUSPENDED : RTEMS_SUCCESSFUL; |
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51 | } |
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