Why is fork1() exported from hotspot?
Christian Thalinger
christian.thalinger at oracle.com
Tue Oct 20 23:55:33 UTC 2015
> On Oct 19, 2015, at 9:14 PM, Thomas Stüfe <thomas.stuefe at gmail.com> wrote:
>
> Hi all,
>
> on Linux we define and export "fork1()" - a stub for fork() - and "fork1"
> also appears in linker mapfiles for bsd and AIX. The latter, I am sure, is
> just a copy-paste-effect.
>
> Why do we need to define and export fork1() for non-solaris platforms? We
> only ever use it on Solaris.
>
> The comment in os_linux.cpp is not really enlightening:
> "// Something to do with the numa-aware allocator needs these symbols”
Can you see what changeset added this comment or was it before Mercurial?
>
> Does anyone know why this is needed?
>
> Regards, Thomas
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