Re: [PATCH] toolsoftrade: Fix code listing 4.22 in Chapter 4

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On Tue, 19 Mar 2019 16:59:27 +0200
Slavomir Kaslev <kaslevs@xxxxxxxxxx> wrote:

> Code listing 4.22 is broken since the READ_ONCE() macro takes a rvalue and the
> expression parenthesis are unbalanced. This patch fixes it.
> 
> Signed-off-by: Slavomir Kaslev <kaslevs@xxxxxxxxxx>
> ---
>  toolsoftrade/toolsoftrade.tex | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/toolsoftrade/toolsoftrade.tex b/toolsoftrade/toolsoftrade.tex
> index 41605a33..4e0764d0 100644
> --- a/toolsoftrade/toolsoftrade.tex
> +++ b/toolsoftrade/toolsoftrade.tex
> @@ -2111,7 +2111,7 @@ Listing~\ref{lst:toolsoftrade:Avoiding Danger, 2018 Style}.
>  \begin{listing}[tbp]
>  \begin{linelabel}[ln:toolsoftrade:Preventing Load Fusing]
>  \begin{VerbatimL}[commandchars=\\\{\}]
> -while (!READ_ONCE((!need_to_stop))
> +while (!READ_ONCE(need_to_stop))

But doesn't this change the logic?

I'm guessing that the double "!" was wrong too.

-- Steve


>  	do_something_quickly();
>  \end{VerbatimL}
>  \end{linelabel}




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