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pthread: Add support for pthread thread local storage

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Refactors LWIP to use this for the LWIP thread local semaphore
This commit is contained in:
Angus Gratton
2017-10-04 15:52:19 +11:00
committed by Angus Gratton
parent 3234064b6a
commit 86c89ff169
8 changed files with 385 additions and 64 deletions
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40
components/pthread/pthread.c
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@@ -28,6 +28,8 @@
#include "freertos/semphr.h"
#include "freertos/list.h"
#include "pthread_internal.h"
#define LOG_LOCAL_LEVEL CONFIG_LOG_DEFAULT_LEVEL
#include "esp_log.h"
const static char *TAG = "esp_pthread";
@@ -145,6 +147,10 @@ static void pthread_task_func(void *arg)
ESP_LOGV(TAG, "%s END %p", __FUNCTION__, task_arg->func);
free(task_arg);
/* preemptively clean up thread local storage, rather than
waiting for the idle task to clean up the thread */
pthread_internal_local_storage_destructor_callback();
if (xSemaphoreTake(s_threads_mux, portMAX_DELAY) != pdTRUE) {
assert(false && "Failed to lock threads list!");
}
@@ -332,40 +338,6 @@ int pthread_equal(pthread_t t1, pthread_t t2)
return t1 == t2 ? 1 : 0;
}
/***************** KEY ******************/
int pthread_key_create(pthread_key_t *key, void (*destructor)(void*))
{
static int s_created;
//TODO: Key destructors not suppoted!
if (s_created) {
// key API supports just one key necessary by libstdcxx threading implementation
ESP_LOGE(TAG, "%s: multiple keys not supported!", __FUNCTION__);
return ENOSYS;
}
*key = 1;
s_created = 1;
return 0;
}
int pthread_key_delete(pthread_key_t key)
{
ESP_LOGE(TAG, "%s: not supported!", __FUNCTION__);
return ENOSYS;
}
void *pthread_getspecific(pthread_key_t key)
{
ESP_LOGE(TAG, "%s: not supported!", __FUNCTION__);
return NULL;
}
int pthread_setspecific(pthread_key_t key, const void *value)
{
ESP_LOGE(TAG, "%s: not supported!", __FUNCTION__);
return ENOSYS;
}
/***************** ONCE ******************/
int pthread_once(pthread_once_t *once_control, void (*init_routine)(void))
{