The unix(7) man page recommends using SOCK_SEQPACKET

Since Linux 2.6.4 the SOCK_SEQPACKET socket type is available for UNIX
domain sockets on Linux.  It is intended for; "a sequenced-packet socket
that is connection-oriented, preserves message boundaries, and delivers
messages in the order that they were sent." which sounds like us.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/client.c

@@ -38,7 +38,7 @@ int client_connect(void)
 		.sun_path   = INIT_SOCKET,
 	};
 
-	sd = socket(AF_UNIX, SOCK_STREAM, 0);
+	sd = socket(AF_UNIX, SOCK_SEQPACKET, 0);
 	if (-1 == sd)
 		err(1, "Failed creating UNIX domain socket");