[jira] [Created] (MESOS-7896) Use std::error_code for reporting platform-dependent errors

["Ilya Pronin (JIRA)" <ji...@apache.org>]

Ilya Pronin created MESOS-7896:
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             Summary: Use std::error_code for reporting platform-dependent errors
                 Key: MESOS-7896
                 URL: https://issues.apache.org/jira/browse/MESOS-7896
             Project: Mesos
          Issue Type: Improvement
            Reporter: Ilya Pronin
            Priority: Minor


It may be useful to return an error code from various functions to be able to distinguish different kinds of errors. E.g. for being able to ignore {{ENOENT}} from {{unlink()}}. This can be achieved by returning {{Try<T, ErrnoError>}}, but this is not portable.

Since C++11 STL has {{std::error_code}} that hides platform-dependent error code behind a portable error condition. We can use it for error reporting.



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