[ulog] Fixed the problem of abnormal log output at the INIT_BOARD_EXPORT level.
@@ -190,8 +190,8 @@ static void output_unlock(void)
if (!ulog.output_lock_enabled)
return;
- /* is in thread context */
- if (rt_interrupt_get_nest() == 0)
+ /* If the scheduler is started and in thread context */
+ if (rt_thread_self() && (rt_interrupt_get_nest() == 0))
{
rt_sem_release(&ulog.output_locker);
}
@@ -208,8 +208,8 @@ static void output_lock(void)
if (!ulog.output_lock_enabled)
return;
- /* is in thread context */
- if (rt_interrupt_get_nest() == 0)
+ /* If the scheduler is started and in thread context */
+ if (rt_thread_self() && (rt_interrupt_get_nest() == 0))
{
rt_sem_take(&ulog.output_locker, RT_WAITING_FOREVER);
}
@@ -429,6 +429,13 @@ void ulog_output_to_all_backend(rt_uint32_t level, const char *tag, rt_bool_t is
if (!ulog.init_ok)
return;
+ /* if there is no backend */
+ if (!rt_slist_first(&ulog.backend_list))
+ {
+ rt_kputs(log);
+ return;
+ }
+
/* output for all backends */
for (node = rt_slist_first(&ulog.backend_list); node; node = rt_slist_next(node))
{
