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-rw-r--r--components/net/sal/include/sal_msg.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/components/net/sal/include/sal_msg.h b/components/net/sal/include/sal_msg.h
index 2a2cff1d0b..7d52b25b63 100644
--- a/components/net/sal/include/sal_msg.h
+++ b/components/net/sal/include/sal_msg.h
@@ -58,6 +58,9 @@ struct unix_conn
int type;
int proto;
+#ifdef SAL_USING_AF_UNIX
+ rt_atomic_t msg_count;
+#endif
rt_uint32_t send_timeout;
rt_uint32_t recv_timeout;
rt_wqueue_t wq_read_head;