1 | /* |
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2 | * Copyright (C) 2011 Petr Benes. |
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3 | * Copyright (C) 2011 On-Line Applications Research Corporation (OAR). |
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4 | * |
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5 | * The license and distribution terms for this file may be |
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6 | * found in the file LICENSE in this distribution or at |
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7 | * http://www.rtems.com/license/LICENSE. |
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8 | * |
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9 | * $Id$ |
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10 | */ |
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11 | |
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12 | #if HAVE_CONFIG_H |
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13 | #include "config.h" |
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14 | #endif |
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15 | |
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16 | #include <rtems/system.h> |
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17 | #include <rtems/config.h> |
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18 | #include <rtems/score/scheduler.h> |
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19 | #include <rtems/score/schedulercbs.h> |
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20 | |
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21 | int _Scheduler_CBS_Get_execution_time ( |
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22 | Scheduler_CBS_Server_id server_id, |
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23 | time_t *exec_time, |
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24 | time_t *abs_time |
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25 | ) |
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26 | { |
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27 | Objects_Locations location; |
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28 | Thread_Control *the_thread; |
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29 | |
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30 | if ( server_id < 0 || server_id >= _Scheduler_CBS_Maximum_servers ) |
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31 | return SCHEDULER_CBS_ERROR_INVALID_PARAMETER; |
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32 | if ( !_Scheduler_CBS_Server_list[server_id] ) |
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33 | return SCHEDULER_CBS_ERROR_NOSERVER; |
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34 | if ( _Scheduler_CBS_Server_list[server_id]->task_id == -1 ) { |
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35 | *exec_time = 0; |
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36 | return SCHEDULER_CBS_OK; |
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37 | } |
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38 | |
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39 | the_thread = _Thread_Get( |
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40 | _Scheduler_CBS_Server_list[server_id]->task_id, |
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41 | &location |
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42 | ); |
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43 | /* The routine _Thread_Get may disable dispatch and not enable again. */ |
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44 | if ( the_thread ) { |
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45 | _Thread_Enable_dispatch(); |
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46 | *exec_time = _Scheduler_CBS_Server_list[server_id]->parameters.budget - |
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47 | the_thread->cpu_time_budget; |
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48 | } |
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49 | else { |
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50 | *exec_time = _Scheduler_CBS_Server_list[server_id]->parameters.budget; |
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51 | } |
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52 | return SCHEDULER_CBS_OK; |
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53 | } |
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