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From: "adhemerval.zanella at linaro dot org"
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Subject: [Bug libc/29109] posix_spawn() always returns 1 (EPERM) on clone()
 failure
Date: Mon, 02 May 2022 13:46:45 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29109

--- Comment #3 from Adhemerval Zanella <adhemerval.zanella at linaro dot or=
g> ---
Yes(In reply to Alexey Izbyshev from comment #2)
> > I think the best option here is to make __clone_internal not change err=
no and just return the error as negative errno.
>=20
> FWIW, all current code in glibc seems to use __clone_internal as a typica=
l C
> function, i.e. expecting it return -1 and set errno on error. It's not cl=
ear
> to me why changing that would be the best option (compared to just fixing
> posix_spawn() to use errno instead of negating the return value).

The only another usage is on pthread_create, but just using errno seems the
simplest solution indeed.

--=20
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