[422289e] | 1 | /* |
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| 2 | * Timer Manager - rtems_timer_get_information directive |
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| 3 | * |
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| 4 | * |
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| 5 | * COPYRIGHT (c) 1989-2002. |
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| 6 | * On-Line Applications Research Corporation (OAR). |
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| 7 | * |
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| 8 | * The license and distribution terms for this file may be |
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| 9 | * found in the file LICENSE in this distribution or at |
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| 10 | * http://www.OARcorp.com/rtems/license.html. |
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| 11 | * |
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| 12 | * $Id$ |
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| 13 | */ |
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| 14 | |
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| 15 | #include <rtems/system.h> |
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| 16 | #include <rtems/rtems/status.h> |
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| 17 | #include <rtems/rtems/support.h> |
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| 18 | #include <rtems/score/object.h> |
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| 19 | #include <rtems/score/thread.h> |
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| 20 | #include <rtems/rtems/timer.h> |
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| 21 | #include <rtems/score/tod.h> |
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| 22 | #include <rtems/score/watchdog.h> |
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| 23 | |
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| 24 | /*PAGE |
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| 25 | * |
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| 26 | * rtems_timer_get_information |
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| 27 | * |
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| 28 | * This directive allows a thread to obtain information about a timer. |
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| 29 | * |
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| 30 | * Input parameters: |
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| 31 | * id - timer id |
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| 32 | * the_info - pointer to timer information block |
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| 33 | * |
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| 34 | * Output parameters: |
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| 35 | * *the_info - region information block filled in |
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| 36 | * RTEMS_SUCCESSFUL - if successful |
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| 37 | * error code - if unsuccessful |
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| 38 | * |
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| 39 | */ |
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| 40 | |
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| 41 | rtems_status_code rtems_timer_get_information( |
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| 42 | Objects_Id id, |
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| 43 | rtems_timer_information *the_info |
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| 44 | ) |
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| 45 | { |
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| 46 | Timer_Control *the_timer; |
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| 47 | Objects_Locations location; |
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| 48 | |
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| 49 | if ( !the_info ) |
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| 50 | return RTEMS_INVALID_ADDRESS; |
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| 51 | |
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| 52 | the_timer = _Timer_Get( id, &location ); |
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| 53 | switch ( location ) { |
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| 54 | case OBJECTS_REMOTE: /* should never return this */ |
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| 55 | return RTEMS_INTERNAL_ERROR; |
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| 56 | |
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| 57 | case OBJECTS_ERROR: |
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| 58 | return RTEMS_INVALID_ID; |
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| 59 | |
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| 60 | case OBJECTS_LOCAL: |
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| 61 | the_info->the_class = the_timer->the_class; |
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| 62 | the_info->initial = the_timer->Ticker.initial; |
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| 63 | the_info->start_time = the_timer->Ticker.start_time; |
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| 64 | the_info->stop_time = the_timer->Ticker.stop_time; |
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| 65 | _Thread_Enable_dispatch(); |
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| 66 | return RTEMS_SUCCESSFUL; |
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| 67 | } |
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| 68 | |
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| 69 | return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ |
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| 70 | } |
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