Re: Review Request 54712: Use the stout ELF parser to implement ldd.

[Jiang Yan Xu <xu...@apple.com>]

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src/linux/ldd.cpp (lines 29 - 32)
<https://reviews.apache.org/r/54712/#comment235116>

    With the iterative approach I don't see the need to pass the `dependencies` hashset in?
    
    Maybe we don't even need `collectDependencies`, everything can be put inside `ldd`.



src/linux/ldd.cpp (line 34)
<https://reviews.apache.org/r/54712/#comment235118>

    Can we define what a `candidate` means here, espeically when it's alongside the locally defined `dependencies`? Like:
    
    ```
    hashset<string> dependencies;
    
    // Dependencies that have been discovered but yet to be validated and processed.
    vector<string> candidates;
    ```



src/linux/ldd.cpp (lines 40 - 42)
<https://reviews.apache.org/r/54712/#comment235119>

    If we are traversing in a particular order, say BFS, maybe pick from `front()`?
    
    Also a brief comment stating that it is BFS?



src/linux/ldd.cpp (line 74)
<https://reviews.apache.org/r/54712/#comment235121>

    s/was/is/?


- Jiang Yan Xu


On Dec. 19, 2016, 3:23 p.m., James Peach wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/54712/
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> 
> (Updated Dec. 19, 2016, 3:23 p.m.)
> 
> 
> Review request for mesos, Jie Yu, Kevin Klues, and Jiang Yan Xu.
> 
> 
> Bugs: MESOS-6588
>     https://issues.apache.org/jira/browse/MESOS-6588
> 
> 
> Repository: mesos
> 
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> Description
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> Use the stout ELF parser to implement an ldd() API that recursively
> gathers the link dependencies of a given program.
> 
> 
> Diffs
> -----
> 
>   src/CMakeLists.txt c8d4260c03d8cdee1951a50d293e9fdabcd2cf84 
>   src/Makefile.am 0f62ec70816e8b48e19d35036285656a6e7cd02b 
>   src/linux/ldd.hpp PRE-CREATION 
>   src/linux/ldd.cpp PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/54712/diff/
> 
> 
> Testing
> -------
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> sudo make check (Fedora 25)
> 
> 
> Thanks,
> 
> James Peach
> 
>