Re: MPS: a random backtrace while toying with gdb

[Ihor Radchenko <yantar92@posteo.net>]

Eli Zaretskii <eliz@gnu.org> writes:

>> I do not mean calling malloc. I mean, what happens if a signal arrives
>> _while_ malloc is still in the process of allocating data?
>
> That's what I mean by "you mean malloc".
>
> If a signal happens while malloc is in progress, it is not a problem,
> because signal handlers should not re-enter malloc.

So, maybe it is going to be enough to make sure that we block signals
while running `alloc_impl' (in igc.c)?

> And if that doesn't answer your question, maybe I don't understand
> what is it exactly that you are asking.

I was mostly asking about technical implementation details of how malloc
is preventing signals from being handled while it is doing its
job. Maybe we can reuse it or have a more clear idea what is supposed to
be done.

-- 
Ihor Radchenko // yantar92,
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