[gdal-dev] RFC 47 and Threading

[Blake Thompson]

Kurt,

>
> With a 2 week old baby, my brain has been soggy.
>

Congrats!


>
> I do see the 3 threads here:
> http://lists.osgeo.org/pipermail/gdal-dev/2014-August/thread.html
>
> The asan/msan/tsan tools are
>
> asan - address sanitizer - https://code.google.com/p/address-sanitizer/
> msan - memory sanitizer - https://code.google.com/p/memory-sanitizer/
> tsan - thread sanitizer - https://code.google.com/p/thread-sanitizer/
>
> http://llvm.org/devmtg/2012-11/Serebryany-ASAN-TSAN-Poster.pdf
> http://llvm.org/devmtg/2012-11/Serebryany_TSan-MSan.pdf
> http://llvm.org/devmtg/2013-11/slides/Serebryany-ASAN.pdf
>
> I've been writing C++ tests for gdal/ports for the last year that use
> Google's gunit test framework and running the sanitizers on it.  I've got
> it high on my todo list to get the tests that I've written pushed to github
> in Sept.  It's taken me a lot longer to get done than I expected because of
> some internal changes to the CSV file handling (that I've never really
> figured out) between 1.10.0 and 1.11.0.  I was hoping to have the tests
> working with 1.11.0 before I push them out to the world.  And I need to
> create an RFC to get discussion on if / how to put the new test setup into
> gdal or refactor the whole deal to be a useful addition to gdal.
>
> I haven't gotten the testing up to a level that would likely be useful to
> you, but I can try in a couple weeks when I'm back to normal work.
>
> -kurt
>
>
Using some of these tools/tests would definitely make it easier to perhaps
find issues with multi-threading with all the drivers.

Thanks,

Blake
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