adding SOMAXCONN to redox

Author: devnexen

src/unix/redox/mod.rs

@@ -813,6 +813,7 @@ pub const SOCK_NONBLOCK: ::c_int = 0o4_000;
 pub const SOCK_CLOEXEC: ::c_int = 0o2_000_000;
 pub const SOCK_SEQPACKET: ::c_int = 5;
 pub const SOL_SOCKET: ::c_int = 1;
+pub const SOMAXCONN: ::c_int = 128;
 
 // sys/termios.h
 pub const VEOF: usize = 0;