[94fa540] | 1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
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| 2 | |
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[f8d760b] | 3 | /* |
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[50162e0] | 4 | * COPYRIGHT (c) 1989-2013. |
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[f8d760b] | 5 | * On-Line Applications Research Corporation (OAR). |
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| 6 | * |
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[94fa540] | 7 | * Redistribution and use in source and binary forms, with or without |
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| 8 | * modification, are permitted provided that the following conditions |
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| 9 | * are met: |
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| 10 | * 1. Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * |
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| 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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| 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 26 | * POSSIBILITY OF SUCH DAMAGE. |
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[f8d760b] | 27 | */ |
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| 28 | |
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| 29 | #ifdef HAVE_CONFIG_H |
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| 30 | #include "config.h" |
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| 31 | #endif |
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| 32 | #include <errno.h> |
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| 33 | #include <timesys.h> |
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| 34 | #include <tmacros.h> |
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| 35 | #include <pthread.h> |
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| 36 | #include <sched.h> |
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[8fbe2e6] | 37 | #include <rtems/btimer.h> |
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[f8d760b] | 38 | #include "test_support.h" |
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| 39 | |
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[fd46711] | 40 | const char rtems_test_name[] = "PSXTMRWLOCK 02"; |
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| 41 | |
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[991a3cc1] | 42 | /* forward declarations to avoid warnings */ |
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| 43 | void *POSIX_Init(void *argument); |
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| 44 | void *Middle(void *argument); |
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| 45 | void *Low(void *argument); |
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| 46 | |
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[f8d760b] | 47 | pthread_rwlock_t rwlock; |
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| 48 | |
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| 49 | void *Low( |
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| 50 | void *argument |
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| 51 | ) |
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| 52 | { |
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[add2977] | 53 | benchmark_timer_t end_time; |
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[f8d760b] | 54 | |
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| 55 | /* |
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| 56 | * Now we have finished the thread startup overhead, |
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| 57 | * so let other threads run. When we return, we can |
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| 58 | * finish the benchmark. |
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| 59 | */ |
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| 60 | sched_yield(); |
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| 61 | /* let other threads run */ |
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| 62 | |
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| 63 | end_time = benchmark_timer_read(); |
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| 64 | |
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| 65 | put_time( |
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[50162e0] | 66 | "pthread_rwlock_rdlock: not available blocks", |
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[f8d760b] | 67 | end_time, |
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| 68 | OPERATION_COUNT, |
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| 69 | 0, |
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| 70 | 0 |
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| 71 | ); |
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| 72 | |
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[fd46711] | 73 | TEST_END(); |
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[f8d760b] | 74 | |
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| 75 | rtems_test_exit( 0 ); |
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| 76 | return NULL; |
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| 77 | } |
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| 78 | |
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| 79 | void *Middle( |
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| 80 | void *argument |
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| 81 | ) |
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| 82 | { |
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| 83 | int status; |
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| 84 | |
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| 85 | /* |
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| 86 | * Now we have finished the thread startup overhead, |
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| 87 | * so let other threads run. When we return, we can |
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| 88 | * finish the benchmark. |
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| 89 | */ |
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| 90 | sched_yield(); |
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| 91 | /* let other threads run */ |
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| 92 | /* this read lock operation will be blocked |
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| 93 | * cause a write operation has the lock */ |
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| 94 | status = pthread_rwlock_rdlock(&rwlock); |
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| 95 | rtems_test_assert( status == 0 ); |
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| 96 | return NULL; |
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| 97 | } |
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| 98 | |
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| 99 | void *POSIX_Init( |
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| 100 | void *argument |
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| 101 | ) |
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| 102 | { |
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| 103 | int i; |
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| 104 | int status; |
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| 105 | pthread_t threadId; |
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| 106 | pthread_rwlockattr_t attr; |
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| 107 | |
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[fd46711] | 108 | TEST_BEGIN(); |
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[f8d760b] | 109 | |
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| 110 | for ( i=0 ; i < OPERATION_COUNT - 1 ; i++ ) { |
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| 111 | status = pthread_create( &threadId, NULL, Middle, NULL ); |
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| 112 | rtems_test_assert( !status ); |
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| 113 | } |
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| 114 | |
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| 115 | status = pthread_create( &threadId, NULL, Low, NULL ); |
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| 116 | rtems_test_assert( !status ); |
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| 117 | |
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| 118 | /* |
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| 119 | * Deliberately create the rwlock after the threads. This way if the |
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| 120 | * threads do run before we intend, they will get an error. |
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| 121 | */ |
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| 122 | status = pthread_rwlockattr_init( &attr ); |
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| 123 | rtems_test_assert( status == 0 ); |
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| 124 | status = pthread_rwlock_init( &rwlock, &attr ); |
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| 125 | rtems_test_assert( status == 0 ); |
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| 126 | /* |
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| 127 | * Let the other threads start so the thread startup overhead, |
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| 128 | * is accounted for. When we return, we can start the benchmark. |
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| 129 | */ |
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| 130 | sched_yield(); |
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| 131 | /* let other threads run */ |
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| 132 | |
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| 133 | /* start the timer and switch through all the other tasks */ |
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| 134 | benchmark_timer_initialize(); |
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| 135 | /* write lock operation */ |
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| 136 | status = pthread_rwlock_wrlock(&rwlock); |
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| 137 | rtems_test_assert( status == 0 ); |
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| 138 | return NULL; |
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| 139 | } |
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| 140 | |
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| 141 | /* configuration information */ |
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| 142 | |
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[c4b8b147] | 143 | #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER |
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[f8d760b] | 144 | #define CONFIGURE_APPLICATION_NEEDS_TIMER_DRIVER |
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| 145 | |
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| 146 | #define CONFIGURE_MAXIMUM_POSIX_THREADS OPERATION_COUNT + 2 |
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| 147 | #define CONFIGURE_POSIX_INIT_THREAD_TABLE |
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| 148 | |
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| 149 | #define CONFIGURE_INIT |
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| 150 | |
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| 151 | #include <rtems/confdefs.h> |
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| 152 | /* end of file */ |
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