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From Neil Conway <neil.con...@gmail.com>
Subject Re: Review Request 53387: Avoided memory leaks in exception/error paths in tests.
Date Thu, 03 Nov 2016 17:43:02 GMT


> On Nov. 3, 2016, 4:49 p.m., Benjamin Bannier wrote:
> > Looks really good, thanks. Added a couple more nits re:potential leaks apparently
undetected by `clang-tidy`.

Due to MESOS-6496, I think it will be a bit ugly to fix this at the moment. I'd prefer to
ignore this for now and revisit when MESOS-6496 is addressed.


- Neil


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https://reviews.apache.org/r/53387/#review154753
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On Nov. 3, 2016, 4:23 p.m., Neil Conway wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/53387/
> -----------------------------------------------------------
> 
> (Updated Nov. 3, 2016, 4:23 p.m.)
> 
> 
> Review request for mesos and Joseph Wu.
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> `clang-tidy` rightly points out that certain `ASSERT` failures can
> result in leaking some heap-allocated values that aren't wrapped in a
> smart pointer. This commit fixes the cases that `clang-tidy` complains
> about by wrapping the values in `Owned<T>`.
> 
> Note that there are many other places in the tests that leak resources
> if an exception occurs. The proper fix is usually to use a smart pointer
> rather than a raw pointer; several of these APIs should be changed to
> return Owned<T>, for example. However, this is not always easy/clean, in
> part because of limitations of the current `Owned<T>` and `Shared<T>`
> types (e.g., MESOS-5122, MESOS-6496). So for now, just fix the cases
> that clang-tidy complains about and a few other similar instances.
> 
> 
> Diffs
> -----
> 
>   src/tests/containerizer/docker_volume_isolator_tests.cpp ca7bffd3b1773a11a4679d114885d3edd977b02b

>   src/tests/containerizer/mesos_containerizer_tests.cpp 4df537747d84daa68c29e2d05b22fa386a4a16db

> 
> Diff: https://reviews.apache.org/r/53387/diff/
> 
> 
> Testing
> -------
> 
> `make check`
> 
> Verified that observed `clang-tidy` warnings go away with this change.
> 
> 
> Thanks,
> 
> Neil Conway
> 
>


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