1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Seize Mutex with Blocking |
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5 | * @ingroup ScoreMutex |
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6 | */ |
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7 | |
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8 | /* |
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9 | * COPYRIGHT (c) 1989-2006. |
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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.com/license/LICENSE. |
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15 | */ |
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16 | |
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17 | #if 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/system.h> |
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22 | #include <rtems/score/isr.h> |
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23 | #include <rtems/score/coremuteximpl.h> |
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24 | #include <rtems/score/schedulerimpl.h> |
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25 | #include <rtems/score/thread.h> |
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26 | |
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27 | #if defined(__RTEMS_DO_NOT_INLINE_CORE_MUTEX_SEIZE__) |
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28 | void _CORE_mutex_Seize( |
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29 | CORE_mutex_Control *_the_mutex, |
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30 | Thread_Control *_executing, |
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31 | Objects_Id _id, |
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32 | bool _wait, |
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33 | Watchdog_Interval _timeout, |
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34 | ISR_Level _level |
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35 | ) |
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36 | { |
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37 | _CORE_mutex_Seize_body( |
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38 | _the_mutex, |
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39 | _executing, |
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40 | _id, |
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41 | _wait, |
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42 | _timeout, |
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43 | _level |
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44 | ); |
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45 | } |
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46 | #endif |
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47 | |
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48 | void _CORE_mutex_Seize_interrupt_blocking( |
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49 | CORE_mutex_Control *the_mutex, |
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50 | Thread_Control *executing, |
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51 | Watchdog_Interval timeout |
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52 | ) |
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53 | { |
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54 | |
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55 | if ( _CORE_mutex_Is_inherit_priority( &the_mutex->Attributes ) ) { |
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56 | if ( _Scheduler_Is_priority_higher_than( |
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57 | executing->current_priority, |
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58 | the_mutex->holder->current_priority)) { |
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59 | _Thread_Change_priority( |
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60 | the_mutex->holder, |
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61 | executing->current_priority, |
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62 | false |
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63 | ); |
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64 | } |
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65 | } |
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66 | |
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67 | the_mutex->blocked_count++; |
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68 | _Thread_queue_Enqueue( &the_mutex->Wait_queue, executing, timeout ); |
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69 | |
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70 | _Thread_Enable_dispatch(); |
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71 | } |
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72 | |
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