Function ret_error

src/backend/linux_raw/conv.rs:897–899

(raw: RetReg<R0>)

#[cfg(any(feature = "event", feature = "runtime", feature = "system"))]
#[inline]
pub(super) unsafe fn ret_error(raw: RetReg<R0>) -> io::Errno {
    try_decode_error(raw)
}

/// Convert a `usize` returned from a syscall that effectively always returns
/// `()`.