Function kernel_sigaction

src/backend/linux_raw/runtime/syscalls.rs:150–164

(
    signal: Signal,
    new: Option<KernelSigaction>,
)

#[inline]
pub(crate) unsafe fn kernel_sigaction(
    signal: Signal,
    new: Option<KernelSigaction>,
) -> io::Result<KernelSigaction> {
    let mut old = MaybeUninit::<KernelSigaction>::uninit();
    let new = opt_ref(new.as_ref());
    ret(syscall!(
        __NR_rt_sigaction,
        signal,
        new,
        &mut old,
        size_of::<KernelSigSet, _>()
    ))?;
    Ok(old.assume_init())
}

#[inline]
pub(crate) unsafe fn kernel_sigaltstack(new: Option<Stack>) -> io::Result<Stack> {