native socket_is_readable(_socket, _timeout = 100000);
Amount of time to block the call waiting for the socket to be marked as readable or
for the timeout to expire, in µSeconds (1 sec = 1000000 µsec)
Checks if a socket is marked as readable.
You can use this function to make sure there's something on the socket and avoid a blocking call.
Set _timeout to 0 avoid blocking the call.
A socket will become readable if there's any data or an EOF.
1 if the socket is marked as readable