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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.org/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/score/coremuteximpl.h> |
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22 | #include <rtems/score/statesimpl.h> |
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23 | #include <rtems/score/thread.h> |
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24 | #include <rtems/score/watchdog.h> |
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25 | |
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26 | Status_Control _CORE_mutex_Seize_slow( |
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27 | CORE_mutex_Control *the_mutex, |
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28 | const Thread_queue_Operations *operations, |
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29 | Thread_Control *executing, |
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30 | bool wait, |
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31 | Thread_queue_Context *queue_context |
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32 | ) |
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33 | { |
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34 | if ( wait ) { |
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35 | _Thread_queue_Context_set_thread_state( |
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36 | queue_context, |
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37 | STATES_WAITING_FOR_MUTEX |
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38 | ); |
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39 | _Thread_queue_Context_set_deadlock_callout( |
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40 | queue_context, |
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41 | _Thread_queue_Deadlock_status |
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42 | ); |
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43 | _Thread_queue_Enqueue( |
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44 | &the_mutex->Wait_queue.Queue, |
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45 | operations, |
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46 | executing, |
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47 | queue_context |
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48 | ); |
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49 | return _Thread_Wait_get_status( executing ); |
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50 | } else { |
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51 | _CORE_mutex_Release( the_mutex, queue_context ); |
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52 | return STATUS_UNAVAILABLE; |
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53 | } |
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54 | } |
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