| /* |
| * Copyright (c) 2017 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <ztest.h> |
| #include <kernel.h> |
| #include <cmsis_os.h> |
| |
| #define TIMEOUT 500 |
| |
| osMutexDef(Mutex_1); |
| osMutexDef(Mutex_2); |
| osMutexDef(Mutex_multi); |
| |
| int max_mtx_cnt = CONFIG_CMSIS_MUTEX_MAX_COUNT; |
| |
| void cleanup_max_mutex(osMutexId *mutex_ids) |
| { |
| int mutex_count = 0; |
| osStatus status; |
| |
| for (mutex_count = 0; mutex_count < max_mtx_cnt; mutex_count++) { |
| status = osMutexDelete(mutex_ids[mutex_count]); |
| zassert_true(status == osOK, "Mutex delete fail"); |
| } |
| } |
| |
| void test_max_mutex(void) |
| { |
| osMutexId mutex_ids[CONFIG_CMSIS_MUTEX_MAX_COUNT + 1]; |
| int mtx_cnt = 0; |
| |
| /* Try mutex creation for more than maximum count */ |
| for (mtx_cnt = 0; mtx_cnt < max_mtx_cnt + 1; mtx_cnt++) { |
| mutex_ids[mtx_cnt] = osMutexCreate(osMutex(Mutex_multi)); |
| if (mtx_cnt == max_mtx_cnt) { |
| zassert_true(mutex_ids[mtx_cnt] == NULL, |
| "Mutex creation pass unexpectedly after max count"); |
| cleanup_max_mutex(mutex_ids); |
| } else { |
| zassert_true(mutex_ids[mtx_cnt] != NULL, |
| "Multiple mutex creation failed before max count"); |
| } |
| } |
| } |
| |
| void test_mutex(void) |
| { |
| osMutexId mutex_id = 0; |
| osStatus status; |
| |
| /* Try deleting invalid mutex object */ |
| status = osMutexDelete(mutex_id); |
| zassert_true(status == osErrorParameter, |
| "Invalid Mutex deleted unexpectedly!"); |
| |
| mutex_id = osMutexCreate(osMutex(Mutex_1)); |
| zassert_true(mutex_id != NULL, "Mutex1 creation failed"); |
| |
| /* Try to release mutex without obtaining it */ |
| status = osMutexRelease(mutex_id); |
| zassert_true(status == osErrorResource, "Mutex released unexpectedly!"); |
| |
| status = osMutexWait(mutex_id, 0); |
| zassert_true(status == osOK, "Mutex wait failure"); |
| |
| /* Try to acquire an already acquired mutex */ |
| status = osMutexWait(mutex_id, 0); |
| zassert_true(status == osOK, "Mutex wait failure"); |
| |
| status = osMutexRelease(mutex_id); |
| zassert_true(status == osOK, "Mutex release failure"); |
| |
| /* Release mutex again as it was acquired twice */ |
| status = osMutexRelease(mutex_id); |
| zassert_true(status == osOK, "Mutex release failure"); |
| |
| /* Try to release mutex that was already released */ |
| status = osMutexRelease(mutex_id); |
| zassert_true(status == osErrorResource, "Mutex released unexpectedly!"); |
| |
| status = osMutexDelete(mutex_id); |
| zassert_true(status == osOK, "Mutex delete failure"); |
| |
| /* Try mutex creation for more than maximum allowed count */ |
| test_max_mutex(); |
| } |
| |
| void tThread_entry_lock_timeout(void const *arg) |
| { |
| osStatus status; |
| |
| /* Mutex cannot be acquired here as it is still held by the |
| * other thread. Try with and without timeout. |
| */ |
| status = osMutexWait((osMutexId)arg, 0); |
| zassert_true(status == osErrorResource, NULL); |
| |
| status = osMutexWait((osMutexId)arg, TIMEOUT - 100); |
| zassert_true(status == osErrorTimeoutResource, NULL); |
| |
| /* At this point, mutex is held by the other thread. |
| * Trying to release it here should fail. |
| */ |
| status = osMutexRelease((osMutexId)arg); |
| zassert_true(status == osErrorResource, "Mutex unexpectedly released"); |
| |
| /* This delay ensures that the mutex gets released by the other |
| * thread in the meantime |
| */ |
| osDelay(TIMEOUT - 100); |
| |
| /* Now that the mutex is free, it should be possible to acquire |
| * and release it. |
| */ |
| status = osMutexWait((osMutexId)arg, TIMEOUT); |
| zassert_true(status == osOK, NULL); |
| osMutexRelease((osMutexId)arg); |
| } |
| |
| osThreadDef(tThread_entry_lock_timeout, osPriorityNormal, 1, 0); |
| |
| void test_mutex_lock_timeout(void) |
| { |
| osThreadId id; |
| osMutexId mutex_id; |
| osStatus status; |
| |
| mutex_id = osMutexCreate(osMutex(Mutex_2)); |
| zassert_true(mutex_id != NULL, "Mutex2 creation failed"); |
| |
| id = osThreadCreate(osThread(tThread_entry_lock_timeout), mutex_id); |
| zassert_true(id != NULL, "Thread creation failed"); |
| |
| status = osMutexWait(mutex_id, osWaitForever); |
| zassert_true(status == osOK, "Mutex wait failure"); |
| |
| /* wait for spawn thread to take action */ |
| osDelay(TIMEOUT); |
| |
| /* Release the mutex to be used by the other thread */ |
| osMutexRelease(mutex_id); |
| osDelay(TIMEOUT); |
| |
| osMutexDelete(mutex_id); |
| } |