1 | /* |
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2 | * COPYRIGHT (c) 1989-2011. |
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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 | #ifdef 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 <coverhd.h> |
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17 | #include <tmacros.h> |
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18 | #include <timesys.h> |
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19 | #include "test_support.h" |
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20 | #include <pthread.h> |
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21 | #include <sched.h> |
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22 | #include <rtems/timerdrv.h> |
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23 | |
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24 | pthread_mutex_t MutexId; |
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25 | |
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26 | void *Blockers( |
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27 | void *argument |
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28 | ) |
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29 | { |
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30 | int status; |
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31 | |
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32 | /* |
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33 | * Now we have finished the thread startup overhead, |
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34 | * so let other threads run. When we return, we can |
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35 | * finish the benchmark. |
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36 | */ |
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37 | sched_yield(); |
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38 | /* let other threads run */ |
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39 | |
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40 | status = pthread_mutex_lock( &MutexId ); |
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41 | rtems_test_assert( status == 0 ); |
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42 | |
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43 | return NULL; |
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44 | } |
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45 | |
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46 | void *POSIX_Init( |
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47 | void *argument |
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48 | ) |
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49 | { |
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50 | int i; |
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51 | int status; |
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52 | pthread_t threadId; |
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53 | long end_time; |
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54 | |
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55 | puts( "\n\n*** POSIX TIME TEST MUTEX 05 ***" ); |
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56 | |
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57 | for ( i=0 ; i < OPERATION_COUNT ; i++ ) { |
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58 | status = pthread_create( &threadId, NULL, Blockers, NULL ); |
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59 | rtems_test_assert( status == 0 ); |
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60 | } |
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61 | |
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62 | /* |
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63 | * Deliberately create the mutex after the threads. This way if the |
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64 | * threads do run before we intend, they will get an error. |
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65 | */ |
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66 | status = pthread_mutex_init( &MutexId, NULL ); |
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67 | rtems_test_assert( status == 0 ); |
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68 | |
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69 | /* |
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70 | * Ensure the mutex is unavailable so the other threads block. |
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71 | */ |
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72 | status = pthread_mutex_lock( &MutexId ); |
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73 | rtems_test_assert( status == 0 ); |
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74 | |
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75 | /* |
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76 | * Let the other threads start so the thread startup overhead, |
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77 | * is accounted for. When we return, we can start the benchmark. |
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78 | */ |
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79 | sched_yield(); |
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80 | /* let other threads run */ |
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81 | |
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82 | benchmark_timer_initialize(); |
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83 | status = pthread_mutex_unlock( &MutexId ); |
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84 | end_time = benchmark_timer_read(); |
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85 | rtems_test_assert( status == 0 ); |
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86 | |
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87 | put_time( |
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88 | "pthread_mutex_unlock (no preemption)", |
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89 | end_time, |
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90 | OPERATION_COUNT, |
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91 | 0, |
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92 | 0 |
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93 | ); |
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94 | |
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95 | puts( "*** END OF POSIX TIME TEST MUTEX 05 ***" ); |
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96 | rtems_test_exit( 0 ); |
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97 | |
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98 | return NULL; |
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99 | } |
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100 | |
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101 | /* configuration information */ |
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102 | |
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103 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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104 | #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER |
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105 | |
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106 | #define CONFIGURE_MAXIMUM_POSIX_THREADS OPERATION_COUNT + 1 |
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107 | #define CONFIGURE_MAXIMUM_POSIX_MUTEXES 1 |
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108 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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109 | |
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110 | #define CONFIGURE_INIT |
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111 | |
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112 | #include <rtems/confdefs.h> |
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113 | /* end of file */ |
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