Re: [RFC 0/2] __vdso_findsym

H. Peter Anvin
2014-06-15T21:14:08Z

Yes, but the option exists.

On June 15, 2014 1:53:17 PM PDT, Andy Lutomirski <luto@amacapital.net> wrote:
>On Sun, Jun 15, 2014 at 12:56 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>> You can link against vdso.so if you want to; the kernel build
>provides an option to install that image. Doesn't mean that any
>particular libc uses it.
>
>I'd be rather surprised if anyone does this, given the generally
>spotty state of vdso.so installation and that there's no such thing as
>an ELF import library.
>
>Also, the vdso's clock_gettime isn't actually compatible with
>glibc/POSIX -- the return value and errno handling don't match.
>
>--Andy

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