Passes a file descriptor to the receiving side of the connection. The receiving end has to call gio.unix_connection.UnixConnection.receiveFd to accept the file descriptor.
As well as sending the fd this also writes a single byte to the stream, as this is required for fd passing to work on some implementations.
a file descriptor
optional #GCancellable object, null to ignore.
a true on success, null on error.
Passes a file descriptor to the receiving side of the connection. The receiving end has to call gio.unix_connection.UnixConnection.receiveFd to accept the file descriptor.
As well as sending the fd this also writes a single byte to the stream, as this is required for fd passing to work on some implementations.