1 | /* Test_task2 |
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2 | * |
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3 | * This task attempts to receive control of a global semaphore. |
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4 | * If running on the node on which the semaphore resides, the wait is |
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5 | * forever, otherwise it times out on a remote semaphore. |
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6 | * |
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7 | * Input parameters: |
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8 | * argument - task argument |
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9 | * |
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10 | * Output parameters: NONE |
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11 | * |
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12 | * COPYRIGHT (c) 1989-2009. |
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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.org/license/LICENSE. |
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18 | */ |
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19 | |
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20 | #ifdef 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 "system.h" |
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25 | |
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26 | rtems_task Test_task2( |
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27 | rtems_task_argument argument |
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28 | ) |
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29 | { |
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30 | rtems_status_code status; |
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31 | |
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32 | puts( "Getting SMID of semaphore" ); |
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33 | do { |
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34 | status = rtems_semaphore_ident( |
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35 | Semaphore_name[ 1 ], |
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36 | RTEMS_SEARCH_ALL_NODES, |
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37 | &Semaphore_id[ 1 ] |
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38 | ); |
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39 | } while ( !rtems_is_status_successful( status ) ); |
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40 | |
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41 | directive_failed( status, "rtems_semaphore_ident" ); |
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42 | |
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43 | if ( Multiprocessing_configuration.node == 1 ) { |
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44 | status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() ); |
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45 | directive_failed( status, "rtems_task_wake_after" ); |
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46 | |
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47 | puts( "Releasing semaphore ..." ); |
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48 | status = rtems_semaphore_release( Semaphore_id[ 1 ] ); |
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49 | directive_failed( status, "rtems_semaphore_release" ); |
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50 | |
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51 | status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() / 2 ); |
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52 | directive_failed( status, "rtems_task_wake_after" ); |
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53 | |
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54 | puts( "Getting semaphore ..." ); |
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55 | status = rtems_semaphore_obtain( |
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56 | Semaphore_id[ 1 ], |
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57 | RTEMS_DEFAULT_OPTIONS, |
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58 | RTEMS_NO_TIMEOUT |
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59 | ); |
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60 | directive_failed( status, "rtems_semaphore_obtain" ); |
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61 | |
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62 | puts( "Getting semaphore ..." ); |
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63 | status = rtems_semaphore_obtain( |
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64 | Semaphore_id[ 1 ], |
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65 | RTEMS_DEFAULT_OPTIONS, |
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66 | RTEMS_NO_TIMEOUT |
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67 | ); |
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68 | puts( "How did I get back from here????" ); |
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69 | directive_failed( status, "rtems_semaphore_obtain" ); |
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70 | } |
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71 | |
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72 | /* |
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73 | status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() / 2 ); |
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74 | directive_failed( status, "rtems_task_wake_after" ); |
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75 | */ |
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76 | |
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77 | puts( "Getting semaphore ..." ); |
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78 | status = rtems_semaphore_obtain( |
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79 | Semaphore_id[ 1 ], |
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80 | RTEMS_DEFAULT_OPTIONS, |
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81 | RTEMS_NO_TIMEOUT |
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82 | ); |
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83 | directive_failed( status, "rtems_semaphore_obtain" ); |
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84 | |
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85 | puts( "Releasing semaphore ..." ); |
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86 | status = rtems_semaphore_release( Semaphore_id[ 1 ] ); |
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87 | directive_failed( status, "rtems_semaphore_release" ); |
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88 | |
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89 | status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() ); |
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90 | directive_failed( status, "rtems_task_wake_after" ); |
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91 | |
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92 | puts( "Getting semaphore ..." ); |
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93 | status = rtems_semaphore_obtain( |
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94 | Semaphore_id[ 1 ], |
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95 | RTEMS_DEFAULT_OPTIONS, |
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96 | 2 * rtems_clock_get_ticks_per_second() |
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97 | ); |
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98 | fatal_directive_status( |
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99 | status, |
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100 | RTEMS_TIMEOUT, |
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101 | "rtems_semaphore_obtain" |
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102 | ); |
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103 | puts( "rtems_semaphore_obtain correctly returned RTEMS_TIMEOUT" ); |
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104 | |
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105 | puts( "*** END OF TEST 13 ***" ); |
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106 | rtems_test_exit( 0 ); |
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107 | } |
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