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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Releases the Specified API Mutex |
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5 | * |
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6 | * @ingroup ScoreAPIMutex |
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7 | */ |
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8 | |
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9 | /* |
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10 | * COPYRIGHT (c) 1989-2007. |
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11 | * 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.com/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/system.h> |
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23 | #include <rtems/score/apimutex.h> |
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24 | |
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25 | void _API_Mutex_Unlock( |
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26 | API_Mutex_Control *the_mutex |
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27 | ) |
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28 | { |
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29 | /* Dispatch is already disabled in SMP while lock is held. */ |
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30 | #if !defined(RTEMS_SMP) |
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31 | _Thread_Disable_dispatch(); |
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32 | #endif |
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33 | _CORE_mutex_Surrender( |
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34 | &the_mutex->Mutex, |
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35 | the_mutex->Object.id, |
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36 | NULL |
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37 | ); |
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38 | _Thread_Enable_dispatch(); |
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39 | } |
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