[PATCH v3] getrandom system call wrapper [BZ #17252]

Andreas Schwab schwab@suse.de
Thu Sep 8 13:01:00 GMT 2016


On Sep 08 2016, Florian Weimer <fweimer@redhat.com> wrote:

> I have retained the __getrandom symbol mangling.  The justification for
> that is that getrandom is a fairly common name.  Application code might
> use it for something else entirely and interpose their definition, so that
> libraries cannot rely on it doing the right thing.  I think the mangling
> is justified because it is hard to spot that getrandom is broken due to
> interposition.  As <sys/random.h> is a new header, the macro will be
> exposed to few applications.

It makes it impossible to take the address of the function, though.

Andreas.

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Andreas Schwab, SUSE Labs, schwab@suse.de
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