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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 | /* sema.c */ /* * Copyright (c) 1997-2010, 2013-2014 Wind River Systems, Inc. * * SPDX-License-Identifier: Apache-2.0 */ #include "syskernel.h" struct k_sem sem1; struct k_sem sem2; /** * * @brief Initialize semaphores for the test * * @return N/A */ void sema_test_init(void) { k_sem_init(&sem1, 0, 1); k_sem_init(&sem2, 0, 1); } /** * * @brief Semaphore test thread * * @param par1 Ignored parameter. * @param par2 Number of test loops. * @param par3 Unused * * @return N/A */ void sema_thread1(void *par1, void *par2, void *par3) { int i; int num_loops = POINTER_TO_INT(par2); ARG_UNUSED(par1); ARG_UNUSED(par3); for (i = 0; i < num_loops; i++) { k_sem_take(&sem1, K_FOREVER); k_sem_give(&sem2); } } /** * * @brief Semaphore test thread * * @param par1 Address of the counter. * @param par2 Number of test cycles. * @param par3 Unused * * @return N/A */ void sema_thread2(void *par1, void *par2, void *par3) { int i; int *pcounter = (int *)par1; int num_loops = POINTER_TO_INT(par2); ARG_UNUSED(par3); for (i = 0; i < num_loops; i++) { k_sem_give(&sem1); k_sem_take(&sem2, K_FOREVER); (*pcounter)++; } } /** * * @brief Semaphore test thread * * @param par1 Address of the counter. * @param par2 Number of test cycles. * @param par3 Unused * * @return N/A */ void sema_thread3(void *par1, void *par2, void *par3) { int i; int *pcounter = (int *)par1; int num_loops = POINTER_TO_INT(par2); ARG_UNUSED(par3); for (i = 0; i < num_loops; i++) { k_sem_give(&sem1); while (k_sem_take(&sem2, K_NO_WAIT) != 0) { k_yield(); } (*pcounter)++; } } /** * * @brief The main test entry * * @return 1 if success and 0 on failure */ int sema_test(void) { u32_t t; int i = 0; int return_value = 0; fprintf(output_file, sz_test_case_fmt, "Semaphore #1"); fprintf(output_file, sz_description, "\n\tk_sem_init" "\n\tk_sem_take(K_FOREVER)" "\n\tk_sem_give"); printf(sz_test_start_fmt); sema_test_init(); t = BENCH_START(); k_thread_create(&thread_data1, thread_stack1, STACK_SIZE, sema_thread1, NULL, INT_TO_POINTER(number_of_loops), NULL, K_PRIO_COOP(3), 0, K_NO_WAIT); k_thread_create(&thread_data2, thread_stack2, STACK_SIZE, sema_thread2, (void *) &i, INT_TO_POINTER(number_of_loops), NULL, K_PRIO_COOP(3), 0, K_NO_WAIT); t = TIME_STAMP_DELTA_GET(t); return_value += check_result(i, t); fprintf(output_file, sz_test_case_fmt, "Semaphore #2"); fprintf(output_file, sz_description, "\n\tk_sem_init" "\n\tk_sem_take(TICKS_NONE)" "\n\tk_yield" "\n\tk_sem_give"); printf(sz_test_start_fmt); sema_test_init(); i = 0; t = BENCH_START(); k_thread_create(&thread_data1, thread_stack1, STACK_SIZE, sema_thread1, NULL, INT_TO_POINTER(number_of_loops), NULL, K_PRIO_COOP(3), 0, K_NO_WAIT); k_thread_create(&thread_data2, thread_stack2, STACK_SIZE, sema_thread3, (void *) &i, INT_TO_POINTER(number_of_loops), NULL, K_PRIO_COOP(3), 0, K_NO_WAIT); t = TIME_STAMP_DELTA_GET(t); return_value += check_result(i, t); fprintf(output_file, sz_test_case_fmt, "Semaphore #3"); fprintf(output_file, sz_description, "\n\tk_sem_init" "\n\tk_sem_take(K_FOREVER)" "\n\tk_sem_give" "\n\tk_sem_give" "\n\tk_sem_take(K_FOREVER)"); printf(sz_test_start_fmt); sema_test_init(); t = BENCH_START(); k_thread_create(&thread_data1, thread_stack1, STACK_SIZE, sema_thread1, NULL, INT_TO_POINTER(number_of_loops), NULL, K_PRIO_COOP(3), 0, K_NO_WAIT); for (i = 0; i < number_of_loops; i++) { k_sem_give(&sem1); k_sem_take(&sem2, K_FOREVER); } t = TIME_STAMP_DELTA_GET(t); return_value += check_result(i, t); return return_value; } |