Ah, yes, I was wondering what apig was. Now I get it.
Thanks, Akira.
--Elad
On Tue, 23 Aug 2022 at 22:43, Akira Yokosawa <akiyks@xxxxxxxxx> wrote:
>
> \apic{} is there for ISO C std APIs. Use it.
>
> While we are here, fix a couple of minor nits:
> - align //\lnlbl{var:b} in count_end.c;
> - not line-break in front of \footnote{}, indent footnote text.
>
> Signed-off-by: Akira Yokosawa <akiyks@xxxxxxxxx>
> Fixes: 24e8f711d2cf ("count: Switch from GCC to C11 thread-local storage")
> Cc: Elad Lahav <e2lahav@xxxxxxxxx>
> ---
> CodeSamples/count/count_end.c | 2 +-
> count/count.tex | 12 ++++++------
> 2 files changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/CodeSamples/count/count_end.c b/CodeSamples/count/count_end.c
> index 5e7b9ee1025c..b6ed851c35a9 100644
> --- a/CodeSamples/count/count_end.c
> +++ b/CodeSamples/count/count_end.c
> @@ -23,7 +23,7 @@
> #include "../api.h"
>
> //\begin{snippet}[labelbase=ln:count:count_end:whole,commandchars=\\\@\$]
> -unsigned long _Thread_local counter = 0; //\lnlbl{var:b}
> +unsigned long _Thread_local counter = 0; //\lnlbl{var:b}
> unsigned long *counterp[NR_THREADS] = { NULL };
> unsigned long finalcount = 0;
> DEFINE_SPINLOCK(final_mutex); //\lnlbl{var:e}
> diff --git a/count/count.tex b/count/count.tex
> index 775cf77e90a8..b2de4646b18f 100644
> --- a/count/count.tex
> +++ b/count/count.tex
> @@ -721,12 +721,12 @@ This is the topic of the next section.
> \subsection{Per-Thread-Variable-Based Implementation}
> \label{sec:count:Per-Thread-Variable-Based Implementation}
>
> -The C language, since C11, features a \apig{_Thread_local} storage class that
> -provides per-thread storage.
> -\footnote{\GCC\ provides its own \apig{__thread} storage class, which was used
> -in previous versions of this book.
> -The two methods for specifying a thread-local variable are interchangeable
> -when using \GCC\@.}
> +The C language, since C11, features a \apic{_Thread_local} storage class that
> +provides per-thread storage.\footnote{
> + \GCC\ provides its own \apig{__thread} storage class, which was used
> + in previous versions of this book.
> + The two methods for specifying a thread-local variable are
> + interchangeable when using \GCC\@.}
> This can be used as shown in
> \cref{lst:count:Per-Thread Statistical Counters} (\path{count_end.c})
> to implement
>
> base-commit: ba01403b34de88d3060e119f899f5eb053c5f162
> --
> 2.25.1
>
