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@ -8,35 +8,35 @@
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#include "freertos/semphr.h"
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#include "freertos/semphr.h"
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#include "freertos/list.h"
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#include "freertos/list.h"
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#define LOG_LOCAL_LEVEL CONFIG_LOG_DEFAULT_LEVEL//ESP_LOG_VERBOSE
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#define LOG_LOCAL_LEVEL CONFIG_LOG_DEFAULT_LEVEL
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#include "esp_log.h"
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#include "esp_log.h"
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const static char *TAG = "esp_pthread";
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const static char *TAG = "esp_pthread";
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#define ESP_PTHREAD_LOGE( _tag_, format, ... ) ESP_LOGE(_tag_, format, ##__VA_ARGS__)
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/** task state */
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#define ESP_PTHREAD_LOGW( _tag_, format, ... ) ESP_LOGW(_tag_, format, ##__VA_ARGS__)
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enum esp_pthread_task_state {
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#define ESP_PTHREAD_LOGI( _tag_, format, ... ) ESP_LOGI(_tag_, format, ##__VA_ARGS__)
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PTHREAD_TASK_STATE_RUN,
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#define ESP_PTHREAD_LOGD( _tag_, format, ... ) ESP_LOGD(_tag_, format, ##__VA_ARGS__)
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PTHREAD_TASK_STATE_EXIT
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#define ESP_PTHREAD_LOGV( _tag_, format, ... ) ESP_LOGV(_tag_, format, ##__VA_ARGS__)
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};
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#define PTHREAD_TASK_STATE_RUN 0
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#define PTHREAD_TASK_STATE_EXIT 1
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/** pthread thread FreeRTOS wrapper */
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typedef struct {
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typedef struct {
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ListItem_t list_item;
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ListItem_t list_item; ///< Tasks list node struct. FreeRTOS task handle is kept as list_item.xItemValue
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TaskHandle_t join_task;
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TaskHandle_t join_task; ///< Handle of the task waiting to join
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int state;
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enum esp_pthread_task_state state; ///< pthread task state
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bool detached;
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bool detached; ///< True if pthread is detached
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} esp_pthread_t;
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} esp_pthread_t;
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/** pthread wrapper task arg */
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typedef struct {
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typedef struct {
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void *(*func)(void *);
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void *(*func)(void *); ///< user task entry
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void *arg;
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void *arg; ///< user task argument
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} esp_pthread_task_arg_t;
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} esp_pthread_task_arg_t;
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/** pthread mutex FreeRTOS wrapper */
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typedef struct {
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typedef struct {
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ListItem_t list_item;
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ListItem_t list_item; ///< mutexes list node struct
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SemaphoreHandle_t sem;
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SemaphoreHandle_t sem; ///< Handle of the task waiting to join
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int type;
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int type; ///< Handle of the task waiting to join
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} esp_pthread_mutex_t;
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} esp_pthread_mutex_t;
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@ -52,43 +52,57 @@ int esp_pthread_init(void)
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{
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{
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vListInitialise((List_t *)&s_threads_list);
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vListInitialise((List_t *)&s_threads_list);
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s_once_mux = xSemaphoreCreateMutex();
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s_once_mux = xSemaphoreCreateMutex();
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if (s_once_mux == NULL)
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if (s_once_mux == NULL) {
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return ESP_FAIL;
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return ESP_ERR_NO_MEM;
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}
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s_threads_mux = xSemaphoreCreateMutex();
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s_threads_mux = xSemaphoreCreateMutex();
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if (s_threads_mux == NULL) {
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if (s_threads_mux == NULL) {
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vSemaphoreDelete(s_once_mux);
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vSemaphoreDelete(s_once_mux);
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return ESP_FAIL;
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return ESP_ERR_NO_MEM;
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}
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}
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return ESP_OK;
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return ESP_OK;
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}
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}
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static TaskHandle_t pthread_find_handle(pthread_t thread)
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static void *pthread_find_list_item(void *(*item_check)(ListItem_t *, void *arg), void *check_arg)
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{
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{
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ListItem_t const *list_end = listGET_END_MARKER(&s_threads_list);
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ListItem_t const *list_end = listGET_END_MARKER(&s_threads_list);
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ListItem_t *list_item = listGET_HEAD_ENTRY(&s_threads_list);
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ListItem_t *list_item = listGET_HEAD_ENTRY(&s_threads_list);
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while (list_item != list_end) {
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while (list_item != list_end) {
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esp_pthread_t *pthread = listGET_LIST_ITEM_OWNER(list_item);
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void *val = item_check(list_item, check_arg);
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if ((pthread_t)pthread == thread) {
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if (val) {
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return (TaskHandle_t)listGET_LIST_ITEM_VALUE(list_item);
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return val;
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}
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}
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list_item = listGET_NEXT(list_item);
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list_item = listGET_NEXT(list_item);
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}
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}
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return NULL;
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return NULL;
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}
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}
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static esp_pthread_t *pthread_find(TaskHandle_t task_handle)
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static void *pthread_get_handle_by_desc(ListItem_t *item, void *arg)
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{
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{
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ListItem_t const *list_end = listGET_END_MARKER(&s_threads_list);
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esp_pthread_t *pthread = listGET_LIST_ITEM_OWNER(item);
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ListItem_t *list_item = listGET_HEAD_ENTRY(&s_threads_list);
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if (pthread == arg) {
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while (list_item != list_end) {
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return (void *)listGET_LIST_ITEM_VALUE(item);
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TaskHandle_t cur_handle = (TaskHandle_t)listGET_LIST_ITEM_VALUE(list_item);
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if (task_handle == cur_handle) {
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return (esp_pthread_t *)listGET_LIST_ITEM_OWNER(list_item);
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}
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list_item = listGET_NEXT(list_item);
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}
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}
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return NULL;
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return NULL;
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}
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}
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static inline TaskHandle_t pthread_find_handle(pthread_t thread)
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{
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return pthread_find_list_item(pthread_get_handle_by_desc, (void *)thread);
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}
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static void *pthread_get_desc_by_handle(ListItem_t *item, void *arg)
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{
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TaskHandle_t task_handle = arg;
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TaskHandle_t cur_handle = (TaskHandle_t)listGET_LIST_ITEM_VALUE(item);
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if (task_handle == cur_handle) {
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return (esp_pthread_t *)listGET_LIST_ITEM_OWNER(item);
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}
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return NULL;
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}
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static esp_pthread_t *pthread_find(TaskHandle_t task_handle)
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{
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return pthread_find_list_item(pthread_get_desc_by_handle, task_handle);
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}
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static void pthread_delete(esp_pthread_t *pthread)
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static void pthread_delete(esp_pthread_t *pthread)
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{
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{
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@ -100,14 +114,14 @@ static void pthread_task_func(void *arg)
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{
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{
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esp_pthread_task_arg_t *task_arg = (esp_pthread_task_arg_t *)arg;
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esp_pthread_task_arg_t *task_arg = (esp_pthread_task_arg_t *)arg;
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ESP_PTHREAD_LOGV(TAG, "%s ENTER %p", __FUNCTION__, task_arg->func);
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ESP_LOGV(TAG, "%s ENTER %p", __FUNCTION__, task_arg->func);
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// wait for start
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// wait for start
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xTaskNotifyWait(0, 0, NULL, portMAX_DELAY);
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xTaskNotifyWait(0, 0, NULL, portMAX_DELAY);
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ESP_PTHREAD_LOGV(TAG, "%s START %p", __FUNCTION__, task_arg->func);
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ESP_LOGV(TAG, "%s START %p", __FUNCTION__, task_arg->func);
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task_arg->func(task_arg->arg);
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task_arg->func(task_arg->arg);
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ESP_PTHREAD_LOGV(TAG, "%s END %p", __FUNCTION__, task_arg->func);
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ESP_LOGV(TAG, "%s END %p", __FUNCTION__, task_arg->func);
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free(task_arg);
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free(task_arg);
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if (xSemaphoreTake(s_threads_mux, portMAX_DELAY) != pdTRUE) {
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if (xSemaphoreTake(s_threads_mux, portMAX_DELAY) != pdTRUE) {
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@ -133,7 +147,7 @@ static void pthread_task_func(void *arg)
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vTaskDelete(NULL);
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vTaskDelete(NULL);
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ESP_PTHREAD_LOGV(TAG, "%s EXIT", __FUNCTION__);
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ESP_LOGV(TAG, "%s EXIT", __FUNCTION__);
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}
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}
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int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
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int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
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@ -141,21 +155,20 @@ int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
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{
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{
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TaskHandle_t xHandle = NULL;
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TaskHandle_t xHandle = NULL;
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ESP_PTHREAD_LOGV(TAG, "%s", __FUNCTION__);
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ESP_LOGV(TAG, "%s", __FUNCTION__);
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if (attr) {
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if (attr) {
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ESP_PTHREAD_LOGE(TAG, "Attrs not supported!");
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assert(false && "pthread_create: attrs not supported!");
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return EINVAL;
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}
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}
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esp_pthread_task_arg_t *task_arg = malloc(sizeof(esp_pthread_task_arg_t));
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esp_pthread_task_arg_t *task_arg = malloc(sizeof(esp_pthread_task_arg_t));
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if (task_arg == NULL) {
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if (task_arg == NULL) {
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ESP_PTHREAD_LOGE(TAG, "Failed to allocate task args!");
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ESP_LOGE(TAG, "Failed to allocate task args!");
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errno = ENOMEM;
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errno = ENOMEM;
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return ENOMEM;
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return ENOMEM;
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}
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}
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memset(task_arg, 0, sizeof(esp_pthread_task_arg_t));
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memset(task_arg, 0, sizeof(esp_pthread_task_arg_t));
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esp_pthread_t *pthread = malloc(sizeof(esp_pthread_t));
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esp_pthread_t *pthread = malloc(sizeof(esp_pthread_t));
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if (pthread == NULL) {
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if (pthread == NULL) {
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ESP_PTHREAD_LOGE(TAG, "Failed to allocate pthread data!");
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ESP_LOGE(TAG, "Failed to allocate pthread data!");
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free(task_arg);
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free(task_arg);
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errno = ENOMEM;
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errno = ENOMEM;
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return ENOMEM;
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return ENOMEM;
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@ -166,7 +179,7 @@ int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
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BaseType_t res = xTaskCreate(&pthread_task_func, "pthread", CONFIG_ESP32_PTHREAD_TASK_STACK_SIZE_DEFAULT,
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BaseType_t res = xTaskCreate(&pthread_task_func, "pthread", CONFIG_ESP32_PTHREAD_TASK_STACK_SIZE_DEFAULT,
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task_arg, CONFIG_ESP32_PTHREAD_TASK_PRIO_DEFAULT, &xHandle);
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task_arg, CONFIG_ESP32_PTHREAD_TASK_PRIO_DEFAULT, &xHandle);
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if(res != pdPASS) {
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if(res != pdPASS) {
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ESP_PTHREAD_LOGE(TAG, "Failed to create task!");
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ESP_LOGE(TAG, "Failed to create task!");
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free(pthread);
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free(pthread);
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free(task_arg);
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free(task_arg);
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if (res == errCOULD_NOT_ALLOCATE_REQUIRED_MEMORY) {
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if (res == errCOULD_NOT_ALLOCATE_REQUIRED_MEMORY) {
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@ -192,7 +205,7 @@ int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
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*thread = (pthread_t)pthread; // pointer value fit into pthread_t (uint32_t)
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*thread = (pthread_t)pthread; // pointer value fit into pthread_t (uint32_t)
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ESP_PTHREAD_LOGV(TAG, "Created task %x", (uint32_t)xHandle);
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ESP_LOGV(TAG, "Created task %x", (uint32_t)xHandle);
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return 0;
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return 0;
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}
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}
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@ -202,7 +215,7 @@ int pthread_join(pthread_t thread, void **retval)
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esp_pthread_t *pthread = (esp_pthread_t *)thread;
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esp_pthread_t *pthread = (esp_pthread_t *)thread;
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int ret = 0;
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int ret = 0;
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ESP_PTHREAD_LOGV(TAG, "%s %p", __FUNCTION__, pthread);
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ESP_LOGV(TAG, "%s %p", __FUNCTION__, pthread);
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// find task
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// find task
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if (xSemaphoreTake(s_threads_mux, portMAX_DELAY) != pdTRUE) {
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if (xSemaphoreTake(s_threads_mux, portMAX_DELAY) != pdTRUE) {
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@ -246,7 +259,7 @@ int pthread_join(pthread_t thread, void **retval)
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*retval = 0; // no exit code in FreeRTOS
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*retval = 0; // no exit code in FreeRTOS
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}
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}
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ESP_PTHREAD_LOGV(TAG, "%s %p EXIT %d", __FUNCTION__, pthread, ret);
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ESP_LOGV(TAG, "%s %p EXIT %d", __FUNCTION__, pthread, ret);
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return ret;
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return ret;
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}
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}
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@ -266,7 +279,7 @@ int pthread_detach(pthread_t thread)
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pthread->detached = true;
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pthread->detached = true;
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}
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}
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xSemaphoreGive(s_threads_mux);
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xSemaphoreGive(s_threads_mux);
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ESP_PTHREAD_LOGV(TAG, "%s %p EXIT %d", __FUNCTION__, pthread, ret);
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ESP_LOGV(TAG, "%s %p EXIT %d", __FUNCTION__, pthread, ret);
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return ret;
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return ret;
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}
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}
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@ -308,7 +321,7 @@ int pthread_key_create(pthread_key_t *key, void (*destructor)(void*))
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//TODO: Key destructors not suppoted!
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//TODO: Key destructors not suppoted!
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if (s_created) {
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if (s_created) {
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// key API supports just one key necessary by libstdcxx threading implementation
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// key API supports just one key necessary by libstdcxx threading implementation
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return ENOMEM;
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assert(false && "pthread_key_create: multiple keys not supported!");
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}
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}
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*key = 1;
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*key = 1;
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s_created = 1;
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s_created = 1;
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@ -337,7 +350,7 @@ int pthread_setspecific(pthread_key_t key, const void *value)
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int pthread_once(pthread_once_t *once_control, void (*init_routine)(void))
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int pthread_once(pthread_once_t *once_control, void (*init_routine)(void))
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{
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|
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{
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if (once_control == NULL || init_routine == NULL || !once_control->is_initialized) {
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if (once_control == NULL || init_routine == NULL || !once_control->is_initialized) {
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ESP_PTHREAD_LOGE(TAG, "%s: Invalid args!", __FUNCTION__);
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ESP_LOGE(TAG, "%s: Invalid args!", __FUNCTION__);
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return EINVAL;
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|
return EINVAL;
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}
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}
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@ -346,7 +359,7 @@ int pthread_once(pthread_once_t *once_control, void (*init_routine)(void))
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|
if (!cur_task || xSemaphoreTake(s_once_mux, portMAX_DELAY) == pdTRUE)
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|
if (!cur_task || xSemaphoreTake(s_once_mux, portMAX_DELAY) == pdTRUE)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
if (!once_control->init_executed) {
|
|
|
|
if (!once_control->init_executed) {
|
|
|
|
ESP_PTHREAD_LOGV(TAG, "%s: call init_routine %p", __FUNCTION__, once_control);
|
|
|
|
ESP_LOGV(TAG, "%s: call init_routine %p", __FUNCTION__, once_control);
|
|
|
|
init_routine();
|
|
|
|
init_routine();
|
|
|
|
once_control->init_executed = 1;
|
|
|
|
once_control->init_executed = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
@ -356,7 +369,7 @@ int pthread_once(pthread_once_t *once_control, void (*init_routine)(void))
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
else
|
|
|
|
{
|
|
|
|
{
|
|
|
|
ESP_PTHREAD_LOGE(TAG, "%s: Failed to lock!", __FUNCTION__);
|
|
|
|
ESP_LOGE(TAG, "%s: Failed to lock!", __FUNCTION__);
|
|
|
|
return EBUSY;
|
|
|
|
return EBUSY;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
@ -421,7 +434,7 @@ int pthread_mutex_destroy(pthread_mutex_t *mutex)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
esp_pthread_mutex_t *mux;
|
|
|
|
esp_pthread_mutex_t *mux;
|
|
|
|
|
|
|
|
|
|
|
|
ESP_PTHREAD_LOGV(TAG, "%s %p", __FUNCTION__, mutex);
|
|
|
|
ESP_LOGV(TAG, "%s %p", __FUNCTION__, mutex);
|
|
|
|
|
|
|
|
|
|
|
|
if (!mutex) {
|
|
|
|
if (!mutex) {
|
|
|
|
errno = EINVAL;
|
|
|
|
errno = EINVAL;
|
|
|
@ -537,12 +550,3 @@ int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return res;
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***************** AUX ******************/
|
|
|
|
|
|
|
|
// TODO: move to newlib/time.c????
|
|
|
|
|
|
|
|
// needed for std::this_thread::sleep_for
|
|
|
|
|
|
|
|
unsigned int sleep(unsigned int seconds)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
usleep(seconds*1000000UL);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|