1 | /* |
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2 | * COPYRIGHT (c) 1989-2007. |
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3 | * On-Line Applications Research Corporation (OAR). |
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4 | * |
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5 | * The license and distribution terms for this file may be |
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6 | * found in the file LICENSE in this distribution or at |
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7 | * http://www.rtems.com/license/LICENSE. |
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8 | * |
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9 | * $Id$ |
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10 | */ |
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11 | |
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12 | #if HAVE_CONFIG_H |
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13 | #include "config.h" |
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14 | #endif |
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15 | |
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16 | #include <rtems/itron.h> |
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17 | |
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18 | #include <rtems/score/thread.h> |
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19 | #include <rtems/score/userext.h> |
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20 | #include <rtems/score/wkspace.h> |
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21 | #include <rtems/score/apiext.h> |
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22 | #include <rtems/score/sysstate.h> |
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23 | |
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24 | #include <rtems/itron/task.h> |
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25 | |
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26 | |
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27 | /* |
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28 | * ref_tsk - Reference Task Status |
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29 | */ |
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30 | |
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31 | ER ref_tsk( |
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32 | T_RTSK *pk_rtsk, |
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33 | ID tskid |
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34 | ) |
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35 | { |
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36 | register Thread_Control *the_thread; |
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37 | Objects_Locations location; |
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38 | Priority_Control core_priority; |
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39 | |
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40 | if (!pk_rtsk) |
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41 | return E_PAR; |
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42 | |
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43 | the_thread = _ITRON_Task_Get( tskid, &location ); |
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44 | switch ( location ) { |
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45 | #if defined(RTEMS_MULTIPROCESSING) |
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46 | case OBJECTS_REMOTE: |
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47 | #endif |
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48 | case OBJECTS_ERROR: |
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49 | return _ITRON_Task_Clarify_get_id_error( tskid ); |
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50 | |
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51 | case OBJECTS_LOCAL: |
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52 | |
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53 | if ( location != OBJECTS_LOCAL ) |
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54 | return _ITRON_Task_Clarify_get_id_error( tskid ); |
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55 | |
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56 | /* |
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57 | * The following are extended functions [level X ]. |
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58 | * XXX - tskwait, wid, wupcnt, and tskatr are presently not implemented. |
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59 | */ |
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60 | |
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61 | pk_rtsk->tskwait = 0; |
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62 | pk_rtsk->wid = 0; |
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63 | pk_rtsk->wupcnt = 0; |
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64 | pk_rtsk->suscnt = the_thread->suspend_count; |
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65 | pk_rtsk->tskatr = 0; /* XXX - Not correctly implemented */ |
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66 | pk_rtsk->task = (FP) the_thread->Start.entry_point; |
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67 | core_priority = the_thread->Start.initial_priority; |
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68 | pk_rtsk->itskpri = _ITRON_Task_Core_to_Priority( core_priority ); |
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69 | pk_rtsk->stksz = the_thread->Start.Initial_stack.size; |
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70 | |
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71 | /* |
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72 | * The following are required. |
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73 | */ |
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74 | |
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75 | pk_rtsk->exinf = NULL; /* extended information */ |
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76 | pk_rtsk->tskpri = |
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77 | _ITRON_Task_Core_to_Priority(the_thread->Priority_node.current_priority); |
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78 | |
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79 | /* |
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80 | * Mask in the tskstat information |
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81 | * Convert the task state XXX double check this |
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82 | */ |
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83 | |
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84 | pk_rtsk->tskstat = 0; |
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85 | if ( the_thread == _Thread_Executing ) |
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86 | pk_rtsk->tskstat |= TTS_RUN; |
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87 | if ( _States_Is_ready(the_thread->current_state) ) |
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88 | pk_rtsk->tskstat |= TTS_RDY; |
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89 | if ( _States_Is_dormant( the_thread->current_state) ) |
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90 | pk_rtsk->tskstat |= TTS_DMT; |
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91 | if ( _States_Is_suspended(the_thread->current_state) ) |
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92 | pk_rtsk->tskstat |= TTS_SUS; |
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93 | if ( _States_Is_blocked(the_thread->current_state) ) |
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94 | pk_rtsk->tskstat |= TTS_WAI; |
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95 | |
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96 | break; |
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97 | } |
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98 | |
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99 | _ITRON_return_errorno( E_OK ); |
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100 | |
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101 | } |
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