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-rw-r--r--include/rtthread.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/rtthread.h b/include/rtthread.h
index 4c23e43e2a..d4fea8fe7a 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -517,12 +517,12 @@ rt_err_t rt_mq_send_wait_prio(rt_mq_t mq,
rt_int32_t prio,
rt_int32_t timeout,
int suspend_flag);
-rt_err_t rt_mq_recv_prio(rt_mq_t mq,
- void *buffer,
- rt_size_t size,
- rt_int32_t *prio,
- rt_int32_t timeout,
- int suspend_flag);
+rt_ssize_t rt_mq_recv_prio(rt_mq_t mq,
+ void *buffer,
+ rt_size_t size,
+ rt_int32_t *prio,
+ rt_int32_t timeout,
+ int suspend_flag);
#endif /* RT_USING_MESSAGEQUEUE_PRIORITY */
#endif /* RT_USING_MESSAGEQUEUE */