Function tcsetpgrp

src/backend/linux_raw/termios/syscalls.rs:272–282

(fd: BorrowedFd<'_>, pid: Pid)

#[inline]
pub(crate) fn tcsetpgrp(fd: BorrowedFd<'_>, pid: Pid) -> io::Result<()> {
    let raw_pid: c::c_int = pid.as_raw_nonzero().get();
    unsafe {
        ret(syscall_readonly!(
            __NR_ioctl,
            fd,
            c_uint(c::TIOCSPGRP),
            by_ref(&raw_pid)
        ))
    }
}

/// A wrapper around a conceptual `cfsetspeed` which handles an arbitrary
/// integer speed value.