* Re: [libbpf/libbpf] Is it possible to do SHARED_UMEM between processes? (#138)
[not found] <libbpf/libbpf/issues/138@github.com>
@ 2020-03-11 15:15 ` Andrii Nakryiko
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From: Andrii Nakryiko @ 2020-03-11 15:15 UTC (permalink / raw)
To: libbpf/libbpf, bpf; +Cc: libbpf/libbpf, Subscribed
Adding bpf@vger.kernel.org, it's a better place to ask questions about
bpf and libbpf.
On Wed, Mar 11, 2020 at 6:48 AM Maximilian Gaul
<notifications@github.com> wrote:
>
> I am struggling with my project to get SHARED_UMEM running between two or more processes. I made some changes to the lib in order to be able to copy struct xsk_umem into shared memory.
>
> But now I get the error:
>
> symbol lookup error: /lib/x86_64-linux-gnu/libpthread.so.0: undefined symbol: _dl_allocate_tls, version GLIBC_PRIVATE
>
> In my opinion, a working example for SHARED_UMEM is strongly required. The only information I find about this topic is an e-mail from Nov, 2019 in the linux mailing list and two sentences from here : https://www.kernel.org/doc/html/latest/networking/af_xdp.html#xdp-shared-umem-bind-flag
>
> Please!!
>
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