[add] a macro to be isolated while using signals in rt_mutex_take function.
@@ -685,7 +685,9 @@ rt_err_t rt_mutex_take(rt_mutex_t mutex, rt_int32_t time)
}
else
{
+#ifdef RT_USING_SIGNALS
__again:
+#endif /* end of RT_USING_SIGNALS */
/* The value of mutex is 1 in initial status. Therefore, if the
* value is great than 0, it indicates the mutex is avaible.
*/
@@ -754,8 +756,10 @@ __again:
if (thread->error != RT_EOK)
{
+#ifdef RT_USING_SIGNALS
/* interrupt by signal, try it again */
if (thread->error == -RT_EINTR) goto __again;
+#endif /* end of RT_USING_SIGNALS */
/* return error */
return thread->error;
