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Subject: Re: [ub] Draft 1 of Stackable, Thread Local, Signal Guards
From: Jens Maurer (Jens.Maurer_at_[hidden])
Date: 2019-05-30 13:09:15


Hi Niall,

What's the interaction with the existing library facility
<csignal>?

Jens

On 30/05/2019 17.51, Niall Douglas wrote:
> Dear SG12,
>
> CC: Herb Sutter
>
> As we limber up to the Cologne mailing deadline, here is draft 1 of a
> proposal to add stackable, thread local, signal guards to the C++
> standard library. It will be submitted for SG12 to review at Cologne.
>
> A signal guard allows one to recover from a hardware exception during a
> guarded piece of code e.g. SIGFPE, SIGSEGV, and so on. The guard acts on
> the local thread, rather than globally. And they can be stacked, one
> inside another.
>
> They also can guard against OOM and termination, which may be useful for
> Herbceptions' proposed OOM handling changes.
>
> A reference library implementation is linked, it's been in production
> for over a year now, and has proven quite popular with many people as it
> abstracts away lots of annoying implementation specifics.
>
> Comments welcome.
>
> Niall
>
>
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> http://www.open-std.org/mailman/listinfo/ub
>


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