Function fd_set_num_elements_for_bitvector

src/event/select.rs:254–258

(nfds: RawFd)

#[cfg(not(any(windows, target_os = "wasi")))]
#[inline]
pub(crate) fn fd_set_num_elements_for_bitvector(nfds: RawFd) -> usize {
    // Allocate space for a dense bitvector for `nfds` bits.
    let nfds = nfds as usize;
    div_ceil(nfds, BITS)
}

fn div_ceil(lhs: usize, rhs: usize) -> usize {
    let d = lhs / rhs;