[jira] [Created] (ARROW-387) [C++] arrow::io::BufferReader does not permit shared memory ownership in zero-copy reads

["Wes McKinney (JIRA)" <ji...@apache.org>]

Wes McKinney created ARROW-387:
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             Summary: [C++] arrow::io::BufferReader does not permit shared memory ownership in zero-copy reads
                 Key: ARROW-387
                 URL: https://issues.apache.org/jira/browse/ARROW-387
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++
            Reporter: Wes McKinney


The buffer being read from in https://github.com/apache/arrow/blob/master/cpp/src/arrow/io/memory.h should ideally retain shared ownership of the "parent" buffer. This will prevent memory from being freed by a Buffer's destructor before other Buffers are done using it



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