pub unsafe fn sys_pselect6(
    nfds: c_int,
    readfds: *mut fd_set,
    writefds: *mut fd_set,
    exceptfds: *mut fd_set,
    timeout: *mut timeval,
    _sigs: *const c_void
) -> c_int
Available on crate feature select and (crate features select or poll or epoll) only.
Expand description

allows a program to monitor multiple file descriptors, waiting until one or more of the file descriptors become “ready” for some class of I/O operation (e.g., input possible)

TODO: signal is ignored currently