jay-compositor 1.15.0

use crate::utils::compat::IoctlNumber;
use jay_algorithms::oserror::OsError;
use uapi::c;

pub unsafe fn ioctl<T>(fd: c::c_int, request: u64, t: &mut T) -> Result<c::c_int, OsError> {
    let mut ret;
    loop {
        ret = unsafe { c::ioctl(fd, request as IoctlNumber, &mut *t) };
        if ret != -1 {
            return Ok(ret);
        }
        let err = uapi::get_errno();
        if not_matches!(err, c::EINTR | c::EAGAIN) {
            return Err(OsError(err));
        }
    }
}