typedef int(* ValvulaIoWaitOnFdGroup)(axlPointer fd_group, int max_fds, ValvulaIoWaitingFor wait_to)

IO handler definition to allow defining the method to be used while performing a IO blocking wait, by default implemented by the IO "select" call.

ValvulaIoWaitOnFdGroupThe handler to set.
Themaximum value for the socket descriptor being watched.
Therequested operation to perform.
An error code according to the description found on this function: valvula_io_waiting_set_wait_on_fd_group.