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-rw-r--r--include/rtthread.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/rtthread.h b/include/rtthread.h
index b3d7ebd949..9042690212 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -173,7 +173,8 @@ void rt_thread_inited_sethook (void (*hook)(rt_thread_t thread));
*/
void rt_thread_idle_init(void);
#if defined(RT_USING_HOOK) || defined(RT_USING_IDLE_HOOK)
-void rt_thread_idle_sethook(void (*hook)(void));
+rt_err_t rt_thread_idle_sethook(void (*hook)(void));
+rt_err_t rt_thread_idle_delhook(void (*hook)(void));
#endif
void rt_thread_idle_excute(void);
rt_thread_t rt_thread_idle_gethandler(void);