[a87d1b1] | 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 *Low( |
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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 | uint32_t end_time; |
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| 32 | |
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| 33 | status = pthread_mutex_lock( &MutexId ); |
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| 34 | end_time = benchmark_timer_read(); |
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| 35 | |
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| 36 | rtems_test_assert( status == 0 ); |
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| 37 | |
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| 38 | put_time( |
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| 39 | "pthread_mutex_unlock (unblocking, prempt)", |
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| 40 | end_time, |
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| 41 | OPERATION_COUNT, |
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| 42 | 0, |
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| 43 | 0 |
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| 44 | ); |
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| 45 | |
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| 46 | puts( "*** END OF POSIX TIME TEST MUTEX 07 ***" ); |
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| 47 | rtems_test_exit( 0 ); |
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| 48 | return NULL; |
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| 49 | } |
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| 50 | |
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| 51 | void *Middle( |
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| 52 | void *argument |
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| 53 | ) |
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| 54 | { |
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| 55 | int status; |
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| 56 | |
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| 57 | status = pthread_mutex_lock( &MutexId ); |
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| 58 | rtems_test_assert( status == 0 ); |
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| 59 | |
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| 60 | /* thread switch occurs */ |
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| 61 | |
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| 62 | status = pthread_mutex_unlock( &MutexId ); |
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| 63 | rtems_test_assert( status == 0 ); |
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| 64 | |
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| 65 | /* thread switch occurs */ |
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| 66 | |
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| 67 | return NULL; |
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| 68 | } |
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| 69 | |
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| 70 | void *POSIX_Init( |
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| 71 | void *argument |
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| 72 | ) |
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| 73 | { |
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| 74 | int i; |
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| 75 | int status; |
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| 76 | pthread_t threadId; |
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| 77 | pthread_attr_t attr; |
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| 78 | struct sched_param param; |
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| 79 | |
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| 80 | puts( "\n\n*** POSIX TIME TEST MUTEX 02 ***" ); |
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| 81 | |
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| 82 | /* |
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| 83 | * Deliberately create the mutex BEFORE the threads. This way the |
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| 84 | * threads should preempt this thread and block as they are created. |
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| 85 | */ |
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| 86 | status = pthread_mutex_init( &MutexId, NULL ); |
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| 87 | rtems_test_assert( status == 0 ); |
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| 88 | |
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| 89 | /* |
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| 90 | * Lock the mutex so the threads will block. |
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| 91 | */ |
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| 92 | status = pthread_mutex_lock( &MutexId ); |
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| 93 | rtems_test_assert( status == 0 ); |
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| 94 | |
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| 95 | /* |
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| 96 | * Now lower our priority |
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| 97 | */ |
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| 98 | status = pthread_attr_init( &attr ); |
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| 99 | rtems_test_assert( status == 0 ); |
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| 100 | |
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| 101 | status = pthread_attr_setinheritsched( &attr, PTHREAD_EXPLICIT_SCHED ); |
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| 102 | rtems_test_assert( status == 0 ); |
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| 103 | |
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| 104 | status = pthread_attr_setschedpolicy( &attr, SCHED_RR ); |
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| 105 | rtems_test_assert( status == 0 ); |
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| 106 | |
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| 107 | param.sched_priority = 2; |
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| 108 | status = pthread_attr_setschedparam( &attr, ¶m ); |
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| 109 | rtems_test_assert( status == 0 ); |
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| 110 | |
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| 111 | /* |
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| 112 | * And create rest of threads as more important than we are. They |
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| 113 | * will preempt us as they are created and block. |
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| 114 | */ |
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| 115 | for ( i=0 ; i < OPERATION_COUNT ; i++ ) { |
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| 116 | |
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| 117 | param.sched_priority = 3 + i; |
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| 118 | status = pthread_attr_setschedparam( &attr, ¶m ); |
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| 119 | rtems_test_assert( status == 0 ); |
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| 120 | |
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| 121 | status = pthread_create( |
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| 122 | &threadId, |
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| 123 | &attr, |
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| 124 | (i == OPERATION_COUNT - 1) ? Low : Middle, |
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| 125 | NULL |
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| 126 | ); |
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| 127 | rtems_test_assert( status == 0 ); |
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| 128 | } |
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| 129 | |
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| 130 | /* |
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| 131 | * Now start the timer which will be stopped in Low |
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| 132 | */ |
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| 133 | benchmark_timer_initialize(); |
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| 134 | |
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| 135 | status = pthread_mutex_unlock( &MutexId ); |
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| 136 | rtems_test_assert( status == 0 ); |
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| 137 | |
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| 138 | /* thread switch occurs */ |
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| 139 | return NULL; |
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| 140 | } |
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| 141 | |
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| 142 | /* configuration information */ |
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| 143 | |
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| 144 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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| 145 | #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER |
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| 146 | |
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| 147 | #define CONFIGURE_MAXIMUM_POSIX_THREADS OPERATION_COUNT + 2 |
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| 148 | #define CONFIGURE_MAXIMUM_POSIX_MUTEXES 1 |
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| 149 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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| 150 | |
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| 151 | #define CONFIGURE_INIT |
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| 152 | |
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| 153 | #include <rtems/confdefs.h> |
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| 154 | /* end of file */ |
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