void vortex_io_waiting_set_is_set_fd_group ( VortexCtx ctx,
VortexIoIsSetFdGroup  is_set 

Allows to configure the is set operation for the socket on the fd set.

The function will fail if the provided handler is NULL.

ctxThe context where the operation will be performed.
is_setThe handler to be invoked when it is required to check if a socket descriptor is set into a given fd set.