Function kernel_sigaltstack

src/backend/linux_raw/runtime/syscalls.rs:167–172

(new: Option<Stack>)

#[inline]
pub(crate) unsafe fn kernel_sigaltstack(new: Option<Stack>) -> io::Result<Stack> {
    let mut old = MaybeUninit::<Stack>::uninit();
    let new = opt_ref(new.as_ref());
    ret(syscall!(__NR_sigaltstack, new, &mut old))?;
    Ok(old.assume_init())
}

#[inline]
pub(crate) unsafe fn tkill(tid: Pid, sig: Signal) -> io::Result<()> {