kopia lustrzana https://github.com/espressif/esp-idf
53 wiersze
1.4 KiB
C
53 wiersze
1.4 KiB
C
// Copyright 2021 Espressif Systems (Shanghai) CO LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License
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#include "esp_openthread_lock.h"
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#include "esp_err.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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static SemaphoreHandle_t s_openthread_mutex = NULL;
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bool esp_openthread_lock_acquire(TickType_t block_ticks)
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{
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BaseType_t ret = xSemaphoreTakeRecursive(s_openthread_mutex, block_ticks);
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return (ret == pdTRUE);
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}
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void esp_openthread_lock_release(void)
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{
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xSemaphoreGiveRecursive(s_openthread_mutex);
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}
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esp_err_t esp_openthread_lock_init(void)
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{
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if (s_openthread_mutex != NULL) {
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return ESP_ERR_INVALID_STATE;
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}
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s_openthread_mutex = xSemaphoreCreateRecursiveMutex();
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if (s_openthread_mutex == NULL) {
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return ESP_ERR_NO_MEM;
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}
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return ESP_OK;
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}
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void esp_openthread_lock_deinit(void)
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{
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if (s_openthread_mutex) {
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vSemaphoreDelete(s_openthread_mutex);
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s_openthread_mutex = NULL;
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}
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}
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