4.115
Last change
on this file since 2d2352b was
2d2352b,
checked in by Sebastian Huber <sebastian.huber@…>, on 06/05/13 at 09:48:57
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score: Add and use _Objects_Put()
Add and use _Objects_Put_without_thread_dispatch(). These two functions
pair with the _Objects_Get() function. This helps to introduce object
specific SMP locks to avoid lock contention.
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-
Property mode set to
100644
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File size:
1.4 KB
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Gets Scheduling Policy and Parameters of Individual Threads |
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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 | * 13.5.2 Dynamic Thread Scheduling Parameters Access, |
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10 | * P1003.1c/Draft 10, p. 124 |
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11 | * |
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12 | * COPYRIGHT (c) 1989-2007. |
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13 | * On-Line Applications Research Corporation (OAR). |
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14 | * |
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15 | * The license and distribution terms for this file may be |
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16 | * found in the file LICENSE in this distribution or at |
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17 | * http://www.rtems.com/license/LICENSE. |
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18 | */ |
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19 | |
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20 | #if HAVE_CONFIG_H |
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21 | #include "config.h" |
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22 | #endif |
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23 | |
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24 | #include <pthread.h> |
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25 | #include <errno.h> |
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26 | |
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27 | #include <rtems/system.h> |
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28 | #include <rtems/posix/pthread.h> |
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29 | #include <rtems/posix/priority.h> |
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30 | |
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31 | int pthread_getschedparam( |
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32 | pthread_t thread, |
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33 | int *policy, |
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34 | struct sched_param *param |
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35 | ) |
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36 | { |
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37 | Objects_Locations location; |
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38 | POSIX_API_Control *api; |
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39 | register Thread_Control *the_thread; |
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40 | |
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41 | if ( !policy || !param ) |
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42 | return EINVAL; |
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43 | |
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44 | the_thread = _Thread_Get( thread, &location ); |
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45 | switch ( location ) { |
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46 | |
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47 | case OBJECTS_LOCAL: |
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48 | api = the_thread->API_Extensions[ THREAD_API_POSIX ]; |
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49 | if ( policy ) |
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50 | *policy = api->schedpolicy; |
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51 | if ( param ) { |
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52 | *param = api->schedparam; |
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53 | param->sched_priority = |
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54 | _POSIX_Priority_From_core( the_thread->current_priority ); |
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55 | } |
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56 | _Objects_Put( &the_thread->Object ); |
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57 | return 0; |
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58 | |
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59 | #if defined(RTEMS_MULTIPROCESSING) |
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60 | case OBJECTS_REMOTE: |
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61 | #endif |
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62 | case OBJECTS_ERROR: |
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63 | break; |
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64 | } |
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65 | |
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66 | return ESRCH; |
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67 | |
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68 | } |
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