4.115
Last change
on this file since c499856 was
c499856,
checked in by Chris Johns <chrisj@…>, on 03/20/14 at 21:10:47
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Change all references of rtems.com to rtems.org.
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Property mode set to
100644
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File size:
1.3 KB
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Returns the Current Priority Ceiling of the Mutex |
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5 | * @ingroup POSIXAPI |
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6 | */ |
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7 | |
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8 | /* |
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9 | * COPYRIGHT (c) 1989-2007. |
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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 <errno.h> |
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22 | #include <pthread.h> |
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23 | |
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24 | #include <rtems/system.h> |
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25 | #include <rtems/score/coremuteximpl.h> |
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26 | #include <rtems/score/watchdog.h> |
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27 | #include <rtems/posix/muteximpl.h> |
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28 | #include <rtems/posix/priorityimpl.h> |
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29 | #include <rtems/posix/time.h> |
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30 | |
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31 | /* |
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32 | * 13.6.2 Change the Priority Ceiling of a Mutex, P1003.1c/Draft 10, p. 131 |
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33 | */ |
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34 | |
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35 | int pthread_mutex_getprioceiling( |
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36 | pthread_mutex_t *mutex, |
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37 | int *prioceiling |
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38 | ) |
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39 | { |
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40 | register POSIX_Mutex_Control *the_mutex; |
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41 | Objects_Locations location; |
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42 | |
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43 | if ( !prioceiling ) |
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44 | return EINVAL; |
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45 | |
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46 | the_mutex = _POSIX_Mutex_Get( mutex, &location ); |
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47 | switch ( location ) { |
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48 | |
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49 | case OBJECTS_LOCAL: |
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50 | *prioceiling = _POSIX_Priority_From_core( |
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51 | the_mutex->Mutex.Attributes.priority_ceiling |
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52 | ); |
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53 | _Objects_Put( &the_mutex->Object ); |
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54 | return 0; |
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55 | |
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56 | #if defined(RTEMS_MULTIPROCESSING) |
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57 | case OBJECTS_REMOTE: |
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58 | #endif |
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59 | case OBJECTS_ERROR: |
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60 | break; |
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61 | } |
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62 | |
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63 | return EINVAL; |
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64 | } |
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