kopia lustrzana https://github.com/espressif/esp-idf
68 wiersze
2.0 KiB
C
68 wiersze
2.0 KiB
C
/* Pthread Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <pthread.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_pthread.h"
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static void *example_thread(void * arg);
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void app_main(void)
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{
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pthread_attr_t attr;
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pthread_t thread1, thread2;
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esp_pthread_cfg_t esp_pthread_cfg;
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int res;
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// Create a pthread with the default parameters
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res = pthread_create(&thread1, NULL, example_thread, NULL);
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assert(res == 0);
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printf("Created thread 0x%x\n", thread1);
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// Create a pthread with a larger stack size using the standard API
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res = pthread_attr_init(&attr);
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assert(res == 0);
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pthread_attr_setstacksize(&attr, 16384);
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res = pthread_create(&thread2, &attr, example_thread, NULL);
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assert(res == 0);
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printf("Created larger stack thread 0x%x\n", thread2);
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res = pthread_join(thread1, NULL);
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assert(res == 0);
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res = pthread_join(thread2, NULL);
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assert(res == 0);
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printf("Threads have exited\n\n");
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// Use the ESP-IDF API to change the default thread attributes
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esp_pthread_cfg = esp_pthread_get_default_config();
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esp_pthread_cfg.stack_size = 32768;
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esp_pthread_cfg.prio += 2;
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ESP_ERROR_CHECK( esp_pthread_set_cfg(&esp_pthread_cfg) );
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res = pthread_create(&thread1, NULL, example_thread, NULL);
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assert(res == 0);
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printf("Created thread 0x%x with new default config\n", thread1);
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res = pthread_join(thread1, NULL);
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assert(res == 0);
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printf("Thread has exited\n\n");
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}
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static void *example_thread(void * arg)
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{
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usleep(250 * 1000);
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printf("This thread has ID 0x%x and %u bytes free stack\n", pthread_self(), uxTaskGetStackHighWaterMark(NULL));
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sleep(1);
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printf("Thread 0x%x exiting\n", pthread_self());
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return NULL;
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}
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