/* * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include "esp_openthread_lock.h" #include "esp_openthread_common_macro.h" #include "esp_check.h" #include "esp_err.h" #include "esp_log.h" #include "freertos/FreeRTOS.h" #include "freertos/semphr.h" static SemaphoreHandle_t s_openthread_task_mutex = NULL; static SemaphoreHandle_t s_openthread_mutex = NULL; bool esp_openthread_lock_acquire(TickType_t block_ticks) { ESP_RETURN_ON_FALSE(s_openthread_mutex && s_openthread_task_mutex, false, OT_PLAT_LOG_TAG, "Failed to acquire the lock because the mutex is not ready"); BaseType_t ret = xSemaphoreTakeRecursive(s_openthread_mutex, block_ticks) && xSemaphoreTakeRecursive(s_openthread_task_mutex, block_ticks); return (ret == pdTRUE); } void esp_openthread_lock_release(void) { ESP_RETURN_ON_FALSE(s_openthread_mutex && s_openthread_task_mutex, , OT_PLAT_LOG_TAG, "Failed to release the lock because the mutex is not ready"); xSemaphoreGiveRecursive(s_openthread_task_mutex); xSemaphoreGiveRecursive(s_openthread_mutex); } bool esp_openthread_task_switching_lock_acquire(TickType_t block_ticks) { ESP_RETURN_ON_FALSE(s_openthread_task_mutex, false, OT_PLAT_LOG_TAG, "Failed to acquire the lock because the mutex is not ready"); BaseType_t ret = xSemaphoreTakeRecursive(s_openthread_task_mutex, block_ticks); return (ret == pdTRUE); } void esp_openthread_task_switching_lock_release(void) { ESP_RETURN_ON_FALSE(s_openthread_task_mutex, , OT_PLAT_LOG_TAG, "Failed to release the lock because the mutex is not ready"); xSemaphoreGiveRecursive(s_openthread_task_mutex); } esp_err_t esp_openthread_lock_init(void) { if (s_openthread_mutex != NULL || s_openthread_task_mutex != NULL) { return ESP_ERR_INVALID_STATE; } s_openthread_mutex = xSemaphoreCreateRecursiveMutex(); s_openthread_task_mutex = xSemaphoreCreateRecursiveMutex(); if (s_openthread_mutex == NULL || s_openthread_task_mutex == NULL) { return ESP_ERR_NO_MEM; } return ESP_OK; } void esp_openthread_lock_deinit(void) { if (s_openthread_mutex) { vSemaphoreDelete(s_openthread_mutex); s_openthread_mutex = NULL; } if (s_openthread_task_mutex) { vSemaphoreDelete(s_openthread_task_mutex); s_openthread_task_mutex = NULL; } }