Review Request 14952: Making the constructor of Shared explicit.

[Jie Yu]

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https://reviews.apache.org/r/14952/
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Review request for mesos, Benjamin Hindman, Ben Mahler, and Vinod Kone.


Repository: mesos-git


Description
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See title. Make sure we don't accidentally do the following:

void func(const Shared<Foo>& foo) {...}

Foo* foo = new Foo();
func(foo);
delete foo;


Diffs
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  3rdparty/libprocess/include/process/shared.hpp faa11cc 

Diff: https://reviews.apache.org/r/14952/diff/


Testing
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make check


Thanks,

Jie Yu