Receives a file descriptor from the sending end of the connection. The sending end has to call UnixConnection.sendFd for this to work.
As well as reading the fd this also reads a single byte from the stream, as this is required for fd passing to work on some implementations.
optional gio.Cancellable object, NULL to ignore
a file descriptor on success, -1 on error.
GException on failure.
2.22
Receives a file descriptor from the sending end of the connection. The sending end has to call UnixConnection.sendFd for this to work.
As well as reading the fd this also reads a single byte from the stream, as this is required for fd passing to work on some implementations.