[a6284c9e] | 1 | /* |
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[50162e0] | 2 | * COPYRIGHT (c) 1989-2013. |
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[a6284c9e] | 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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[c499856] | 7 | * http://www.rtems.org/license/LICENSE. |
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[a6284c9e] | 8 | */ |
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| 9 | |
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| 10 | #ifdef HAVE_CONFIG_H |
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| 11 | #include "config.h" |
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| 12 | #endif |
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| 13 | #include <coverhd.h> |
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| 14 | #include <errno.h> |
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| 15 | #include <timesys.h> |
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| 16 | #include <tmacros.h> |
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| 17 | #include <sched.h> |
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| 18 | #include <pthread.h> |
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| 19 | #include <rtems/timerdrv.h> |
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| 20 | #include "test_support.h" |
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| 21 | |
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[fd46711] | 22 | const char rtems_test_name[] = "PSXTMRWLOCK 04"; |
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| 23 | |
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[991a3cc1] | 24 | /* forward declarations to avoid warnings */ |
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| 25 | void *POSIX_Init(void *argument); |
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| 26 | void *Middle(void *argument); |
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| 27 | void *Low(void *argument); |
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| 28 | |
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[a6284c9e] | 29 | pthread_rwlock_t rwlock; |
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| 30 | |
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| 31 | void *Low( |
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| 32 | void *argument |
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| 33 | ) |
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| 34 | { |
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[add2977] | 35 | benchmark_timer_t end_time; |
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[a6284c9e] | 36 | |
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| 37 | /* |
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| 38 | * Now we have finished the thread startup overhead, |
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| 39 | * so let other threads run. When we return, we can |
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| 40 | * finish the benchmark. |
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| 41 | */ |
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| 42 | sched_yield(); |
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| 43 | /* let other threads run */ |
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| 44 | |
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| 45 | end_time = benchmark_timer_read(); |
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| 46 | |
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| 47 | put_time( |
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[50162e0] | 48 | "pthread_rwlock_wrlock: not available blocks", |
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[a6284c9e] | 49 | end_time, |
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| 50 | OPERATION_COUNT, |
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| 51 | 0, |
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| 52 | 0 |
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| 53 | ); |
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| 54 | |
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[fd46711] | 55 | TEST_END(); |
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[a6284c9e] | 56 | |
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| 57 | rtems_test_exit( 0 ); |
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| 58 | return NULL; |
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| 59 | } |
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| 60 | |
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| 61 | void *Middle( |
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| 62 | void *argument |
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| 63 | ) |
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| 64 | { |
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| 65 | int status; |
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| 66 | |
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| 67 | /* |
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| 68 | * Now we have finished the thread startup overhead, |
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| 69 | * so let other threads run. When we return, we can |
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| 70 | * finish the benchmark. |
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| 71 | */ |
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| 72 | sched_yield(); |
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| 73 | /* let other threads run */ |
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| 74 | |
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| 75 | /* this write lock operation will be blocked |
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| 76 | * cause another write operation has the lock */ |
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| 77 | status = pthread_rwlock_wrlock(&rwlock); |
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| 78 | rtems_test_assert( status == 0 ); |
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| 79 | return NULL; |
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| 80 | } |
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| 81 | |
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| 82 | void *POSIX_Init( |
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| 83 | void *argument |
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| 84 | ) |
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| 85 | { |
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| 86 | int i; |
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| 87 | int status; |
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| 88 | pthread_t threadId; |
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| 89 | pthread_rwlockattr_t attr; |
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| 90 | |
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[fd46711] | 91 | TEST_BEGIN(); |
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[a6284c9e] | 92 | |
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| 93 | for ( i=0 ; i < OPERATION_COUNT - 1 ; i++ ) { |
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| 94 | status = pthread_create( &threadId, NULL, Middle, NULL ); |
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| 95 | rtems_test_assert( !status ); |
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| 96 | } |
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| 97 | |
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| 98 | status = pthread_create( &threadId, NULL, Low, NULL ); |
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| 99 | rtems_test_assert( !status ); |
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| 100 | |
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| 101 | /* |
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| 102 | * Deliberately create the rwlock after the threads. This way if the |
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| 103 | * threads do run before we intend, they will get an error. |
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| 104 | */ |
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| 105 | status = pthread_rwlockattr_init( &attr ); |
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| 106 | rtems_test_assert( status == 0 ); |
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| 107 | status = pthread_rwlock_init( &rwlock, &attr ); |
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| 108 | rtems_test_assert( status == 0 ); |
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| 109 | /* |
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| 110 | * Let the other threads start so the thread startup overhead, |
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| 111 | * is accounted for. When we return, we can start the benchmark. |
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| 112 | */ |
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| 113 | sched_yield(); |
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| 114 | /* let other threads run */ |
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| 115 | |
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| 116 | /* start the timer and switch through all the other tasks */ |
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| 117 | benchmark_timer_initialize(); |
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| 118 | /* write lock operation */ |
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| 119 | status = pthread_rwlock_wrlock(&rwlock); |
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| 120 | rtems_test_assert( status == 0 ); |
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| 121 | return NULL; |
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| 122 | } |
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| 123 | |
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| 124 | /* configuration information */ |
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| 125 | |
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| 126 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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| 127 | #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER |
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| 128 | |
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| 129 | #define CONFIGURE_MAXIMUM_POSIX_THREADS OPERATION_COUNT + 2 |
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| 130 | #define CONFIGURE_MAXIMUM_POSIX_RWLOCKS 1 |
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| 131 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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| 132 | |
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| 133 | #define CONFIGURE_INIT |
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| 134 | |
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| 135 | #include <rtems/confdefs.h> |
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| 136 | /* end of file */ |
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