1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Scheduler CBS Release Job |
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5 | * |
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6 | * @ingroup ScoreScheduler |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (C) 2011 Petr Benes. |
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11 | * Copyright (C) 2011 On-Line Applications Research Corporation (OAR). |
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12 | * |
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13 | * The license and distribution terms for this file may be |
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14 | * found in the file LICENSE in this distribution or at |
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15 | * http://www.rtems.org/license/LICENSE. |
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16 | */ |
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17 | |
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18 | #if HAVE_CONFIG_H |
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19 | #include "config.h" |
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20 | #endif |
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21 | |
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22 | #include <rtems/score/schedulercbsimpl.h> |
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23 | #include <rtems/score/threadimpl.h> |
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24 | #include <rtems/score/watchdogimpl.h> |
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25 | |
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26 | void _Scheduler_CBS_Release_job( |
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27 | const Scheduler_Control *scheduler, |
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28 | Thread_Control *the_thread, |
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29 | uint32_t deadline |
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30 | ) |
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31 | { |
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32 | Scheduler_CBS_Node *node = _Scheduler_CBS_Thread_get_node( the_thread ); |
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33 | Scheduler_CBS_Server *serv_info = node->cbs_server; |
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34 | Priority_Control new_priority; |
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35 | |
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36 | if (deadline) { |
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37 | /* Initializing or shifting deadline. */ |
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38 | if (serv_info) |
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39 | new_priority = (_Watchdog_Ticks_since_boot + serv_info->parameters.deadline) |
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40 | & ~SCHEDULER_EDF_PRIO_MSB; |
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41 | else |
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42 | new_priority = (_Watchdog_Ticks_since_boot + deadline) |
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43 | & ~SCHEDULER_EDF_PRIO_MSB; |
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44 | } |
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45 | else { |
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46 | /* Switch back to background priority. */ |
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47 | new_priority = the_thread->Start.initial_priority; |
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48 | } |
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49 | |
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50 | /* Budget replenishment for the next job. */ |
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51 | if (serv_info) |
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52 | the_thread->cpu_time_budget = serv_info->parameters.budget; |
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53 | |
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54 | the_thread->real_priority = new_priority; |
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55 | _Thread_Change_priority(the_thread, new_priority, true); |
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56 | } |
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