[Kernel] Add prioceiling feature in mutex

1 files changed, 2 insertions, 0 deletions

diff --git a/include/rtthread.h b/include/rtthread.h
index 893b24ea1b..4b8f4c3aab 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -369,6 +369,8 @@ rt_mutex_t rt_mutex_create(const char *name, rt_uint8_t flag);
 rt_err_t rt_mutex_delete(rt_mutex_t mutex);
 #endif
 void rt_mutex_drop_thread(rt_mutex_t mutex, rt_thread_t thread);
+rt_uint8_t rt_mutex_setprioceiling(rt_mutex_t mutex, rt_uint8_t priority);
+rt_uint8_t rt_mutex_getprioceiling(rt_mutex_t mutex);
 
 rt_err_t rt_mutex_take(rt_mutex_t mutex, rt_int32_t timeout);
 rt_err_t rt_mutex_trytake(rt_mutex_t mutex);