[ac7d5ef0] | 1 | /* Sm_test_task |
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| 2 | * |
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| 3 | * This task continuously obtains and releases a global semaphore. |
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| 4 | * |
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| 5 | * Input parameters: |
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| 6 | * argument - task argument |
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| 7 | * |
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| 8 | * Output parameters: NONE |
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| 9 | * |
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| 10 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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| 11 | * On-Line Applications Research Corporation (OAR). |
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| 12 | * All rights assigned to U.S. Government, 1994. |
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| 13 | * |
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| 14 | * This material may be reproduced by or for the U.S. Government pursuant |
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| 15 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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| 16 | * notice must appear in all copies of this file and its derivatives. |
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| 17 | * |
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| 18 | * $Id$ |
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| 19 | */ |
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| 20 | |
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| 21 | #include "system.h" |
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| 22 | |
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| 23 | extern rtems_multiprocessing_table Multiprocessing_configuration; |
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| 24 | |
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| 25 | rtems_task Semaphore_task( |
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| 26 | rtems_task_argument argument |
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| 27 | ) |
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| 28 | { |
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| 29 | rtems_unsigned32 count; |
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| 30 | rtems_status_code status; |
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| 31 | rtems_unsigned32 yield_count; |
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| 32 | |
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| 33 | puts( "Getting SMID of semaphore" ); |
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| 34 | while ( FOREVER ) { |
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| 35 | status = rtems_semaphore_ident( |
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| 36 | Semaphore_name[ 1 ], |
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| 37 | RTEMS_SEARCH_ALL_NODES, |
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| 38 | &Semaphore_id[ 1 ] |
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| 39 | ); |
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| 40 | if ( status == RTEMS_SUCCESSFUL ) |
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| 41 | break; |
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| 42 | puts( "rtems_semaphore_ident FAILED!!" ); |
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| 43 | } |
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| 44 | |
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| 45 | while ( Stop_Test == FALSE ) { |
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| 46 | yield_count = 100; |
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| 47 | |
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| 48 | for ( count=SEMAPHORE_DOT_COUNT ; Stop_Test == FALSE && count ; count-- ) { |
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| 49 | status = rtems_semaphore_obtain( |
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| 50 | Semaphore_id[ 1 ], |
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| 51 | RTEMS_DEFAULT_OPTIONS, |
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| 52 | RTEMS_NO_TIMEOUT |
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| 53 | ); |
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| 54 | directive_failed( status, "rtems_semaphore_obtain" ); |
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| 55 | |
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| 56 | status = rtems_semaphore_release( Semaphore_id[ 1 ] ); |
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| 57 | directive_failed( status, "rtems_semaphore_release" ); |
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| 58 | |
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| 59 | if ( Multiprocessing_configuration.node == 1 && --yield_count == 0 ) { |
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| 60 | status = rtems_task_wake_after( RTEMS_YIELD_PROCESSOR ); |
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| 61 | directive_failed( status, "rtems_task_wake_after" ); |
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| 62 | |
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| 63 | yield_count = 100; |
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| 64 | } |
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| 65 | } |
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| 66 | put_dot( 's' ); |
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| 67 | } |
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| 68 | |
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| 69 | Exit_test(); |
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| 70 | } |
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