pussuw commented on code in PR #6197:
URL: https://github.com/apache/incubator-nuttx/pull/6197#discussion_r880434797
##########
arch/risc-v/src/esp32c3/esp32c3_wifi_adapter.c:
##########
@@ -1339,20 +1340,23 @@ static int IRAM_ATTR wifi_is_in_isr(void)
static void *esp_thread_semphr_get(void)
{
int ret;
- int i;
void *sem;
- struct tcb_s *tcb = this_task();
- struct task_group_s *group = tcb->group;
- for (i = 0; i < CONFIG_SCHED_EXIT_MAX; i++)
+ if (!g_wifi_tkey_init)
{
- if (group->tg_exit[i].func.on == esp_thread_semphr_free)
+ ret = tls_alloc(NULL);
+ if (ret < 0)
{
- break;
+ wlerr("Failed to create pthread key\n");
+ return NULL;
}
+
+ g_wifi_thread_key = ret;
+ g_wifi_tkey_init = true;
}
- if (i >= CONFIG_SCHED_EXIT_MAX)
+ sem = (void *)tls_get_value(g_wifi_thread_key);
Review Comment:
According to an explanation by @donghengqaz (see above) the exit callback
needs to be registered with on_exit() so it is called when the task terminates
(via exit()), the pthread API destructor is invoked only when a pthread exits.
Using TLS as storage here should be fine, as long as `ret =
on_exit(esp_thread_semphr_free, sem);` is used.
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