anchao commented on a change in pull request #4071:
URL: https://github.com/apache/incubator-nuttx/pull/4071#discussion_r664541919
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File path: net/local/local_sockif.c
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@@ -728,6 +731,106 @@ static int local_ioctl(FAR struct socket *psock, int cmd,
return ret;
}
+/****************************************************************************
+ * Name: local_socketpair
+ *
+ * Description:
+ * Create a pair of connected sockets between psocks[2]
+ *
+ * Parameters:
+ * psocks A reference to the socket structure of the socket pair
+ *
+ ****************************************************************************/
+
+static int local_socketpair(FAR struct socket *psocks[2])
+{
+#if defined(CONFIG_NET_LOCAL_STREAM) || defined(CONFIG_NET_LOCAL_DGRAM)
+ FAR struct local_conn_s *conns[2];
+#ifdef CONFIG_NET_LOCAL_STREAM
+ bool nonblock;
+ int ret;
+#endif /* CONFIG_NET_LOCAL_STREAM */
+ int i;
+
+ for (i = 0; i < 2; i++)
+ {
+ conns[i] = psocks[i]->s_conn;
+ snprintf(conns[i]->lc_path,
+ sizeof(conns[i]->lc_path), "%p", psocks[0]);
+
+ conns[i]->lc_proto = psocks[i]->s_type;
+ conns[i]->lc_type = LOCAL_TYPE_PATHNAME;
+ conns[i]->lc_state = LOCAL_STATE_BOUND;
+ }
+
+#ifdef CONFIG_NET_LOCAL_DGRAM
+#ifdef CONFIG_NET_LOCAL_STREAM
Review comment:
if define the UDP without TCP, remove this ifdef will caused compile
warning "no return value"
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