[Lldb-commits] [PATCH] Fix lldb-gdbserver gdb-remote unit tests that require attaching to the inferior.

Todd Fiala tfiala at google.com
Fri Oct 17 11:39:54 PDT 2014

Hey Doug,

Can you create yourself an account on reviews.llvm.org, add yourself as a
reviewer, and check if this patch fixes the attach failures we diagnosed at
your desk the other day?



On Fri, Oct 17, 2014 at 11:38 AM, Todd Fiala <todd.fiala at gmail.com> wrote:

> Some Linux kernels have a ptrace security feature that prevents a ptracer
> from attaching to the inferior if the ptracer is not an ancestor in the
> process hierarchy.  In the gdb-remote attach tests, the llgs is not a
> parent of the inferior, so kernels that protect against this are failing on
> the attach tests.
> This change to the inferior test program checks if the inferior is running
> on Linux and has the relevant ptrace flags, and if so, first thing enables
> a ptracer that is not part of the parent hierarchy.
> http://reviews.llvm.org/D5846
> Files:
>   test/tools/lldb-gdbserver/main.cpp
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Todd Fiala | Software Engineer | tfiala at google.com
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