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Re: Executing shell code on the signal stack, or why is this is a bad id
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From: |
Lionel Cons |
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Subject: |
Re: Executing shell code on the signal stack, or why is this is a bad idea |
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Date: |
Thu, 6 Jun 2013 11:31:20 +0200 |
On 6 June 2013 11:29, Lionel Cons <lionelcons1972@googlemail.com> wrote:
> Forwarding an interesting posting from Roland Mainz who did an
> investigation why signal trap processing in ksh93, bash and dash is
> currently not reliable.
>
> Lionel
>
PS: malloc() from AT&T libast, used by ksh93, is async signal safe.
Unless bash's sh_malloc() has a similar functionality you'll need a
different solution, such as using signalfd()
Lionel