1 //! Windows system calls in the `event` module.
2 
3 use crate::backend::c;
4 use crate::backend::conv::ret_c_int;
5 use crate::event::PollFd;
6 use crate::io;
7 
poll(fds: &mut [PollFd<'_>], timeout: c::c_int) -> io::Result<usize>8 pub(crate) fn poll(fds: &mut [PollFd<'_>], timeout: c::c_int) -> io::Result<usize> {
9     let nfds = fds
10         .len()
11         .try_into()
12         .map_err(|_convert_err| io::Errno::INVAL)?;
13 
14     ret_c_int(unsafe { c::poll(fds.as_mut_ptr().cast(), nfds, timeout) })
15         .map(|nready| nready as usize)
16 }
17