return thread error when resumed by signal

src/thread.c

@@ -30,6 +30,7 @@
  * 2021-11-15     THEWON       Remove duplicate work between idle and _thread_exit
  * 2021-12-27     Meco Man     remove .init_priority
  * 2022-01-07     Gabriel      Moving __on_rt_xxxxx_hook to thread.c
+ * 2022-01-24     THEWON       let rt_thread_sleep return thread->error when using signal
  */
 
 #include <rthw.h>
@@ -566,6 +567,9 @@ rt_err_t rt_thread_sleep(rt_tick_t tick)
     /* disable interrupt */
     temp = rt_hw_interrupt_disable();
 
+    /* reset thread error */
+    thread->error = RT_EOK;
+
     /* suspend thread */
     rt_thread_suspend(thread);
 
@@ -582,7 +586,7 @@ rt_err_t rt_thread_sleep(rt_tick_t tick)
     if (thread->error == -RT_ETIMEOUT)
         thread->error = RT_EOK;
 
-    return RT_EOK;
+    return thread->error;
 }
 
 /**
@@ -625,6 +629,9 @@ rt_err_t rt_thread_delay_until(rt_tick_t *tick, rt_tick_t inc_tick)
     /* disable interrupt */
     level = rt_hw_interrupt_disable();
 
+    /* reset thread error */
+    thread->error = RT_EOK;
+
     cur_tick = rt_tick_get();
     if (cur_tick - *tick < inc_tick)
     {
@@ -657,7 +664,7 @@ rt_err_t rt_thread_delay_until(rt_tick_t *tick, rt_tick_t inc_tick)
         rt_hw_interrupt_enable(level);
     }
 
-    return RT_EOK;
+    return thread->error;
 }
 RTM_EXPORT(rt_thread_delay_until);