On Fri, Oct 27, 2017 at 05:33:20PM +0800, Yubin Ruan wrote:
> And here are some more modification to some wording in chapter 7, but I am not
> sure whether you like it or not.
>
> Anyway, chapter 7 makes me feel good ;-) It makes me know that home-brewing a
> lock primitives with atomic instructions(which is what I was doing) is
> something that is possible and used in production.
It most certainly is possible, but it is wise less often than it might
seem. ;-)
> Thanks,
> Yubin
BTW, I cannot accept patches without a valid Signed-off-by. As Akira
suggested, please see the FAQ for more details.
> diff --git a/locking/locking.tex b/locking/locking.tex
> index 14db27d..a9f46f1 100644
> --- a/locking/locking.tex
> +++ b/locking/locking.tex
> @@ -2166,8 +2166,8 @@ Signal-handler deadlocks can be explicitly avoided as follows:
> of a signal handler.
> \item If the application invokes the library function
> while holding a lock acquired within a given signal
> - handler, then that signal must be blocked every time that the
> - library function is called outside of a signal handler.
> + handler, then that signal must be blocked every time that lock
> + is to be acquired outside of a signal handler.
> \end{enumerate}
I covered this on in my earlier email.
> These rules can be enforced by using tools similar to
> @@ -2329,7 +2329,7 @@ locking's villainy.
> If there are a very large number of uses of a callback-heavy library,
> it may be wise to again add a parallel-friendly API to the library in
> order to allow existing users to convert their code incrementally.
> -Alternatively, some advocate use of transactional memory in these cases.
> +Alternatively, some advocate using transactional memory in these cases.
> While the jury is still out on transactional memory,
> Section~\ref{sec:future:Transactional Memory} discusses its strengths and
> weaknesses.
And for this one, I am not seeing the problem with the original wording.
Thanx, Paul
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