interface udp-create-socket { use network.{network, error-code, ip-address-family}; use udp.{udp-socket}; /// Create a new UDP socket. /// /// Similar to `socket(AF_INET or AF_INET6, SOCK_DGRAM, IPPROTO_UDP)` in POSIX. /// /// This function does not require a network capability handle. This is considered to be safe because /// at time of creation, the socket is not bound to any `network` yet. Up to the moment `bind` is called, /// the socket is effectively an in-memory configuration object, unable to communicate with the outside world. /// /// All sockets are non-blocking. Use the wasi-poll interface to block on asynchronous operations. /// /// # Typical errors /// - `not-supported`: The specified `address-family` is not supported. (EAFNOSUPPORT) /// - `new-socket-limit`: The new socket resource could not be created because of a system limit. (EMFILE, ENFILE) /// /// # References: /// - /// - /// - /// - create-udp-socket: func(address-family: ip-address-family) -> result; }