Function ret

src/backend/linux_raw/conv.rs:885–887

(raw: RetReg<R0>)

/// just returns 0 on success.
#[inline]
pub(super) unsafe fn ret(raw: RetReg<R0>) -> io::Result<()> {
    try_decode_void(raw)
}

/// Convert a `usize` returned from a syscall that doesn't return on success.
///