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https://issues.apache.org/jira/browse/ARROW-2359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16417958#comment-16417958
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Wes McKinney commented on ARROW-2359:
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Is it possible there is a race condition in the initialization of the global
static variable? Seems pretty esoteric
> Type objects produced by DataType factory are not thread safe
> -------------------------------------------------------------
>
> Key: ARROW-2359
> URL: https://issues.apache.org/jira/browse/ARROW-2359
> Project: Apache Arrow
> Issue Type: Task
> Components: C++
> Reporter: Anton Shmigirilov
> Priority: Minor
> Labels: pull-request-available
>
> TYPE_FACTORY() macro that produces type shortcuts (boolean(), int32(), utf8()
> and so on) uses static shared_ptr inside. There are race conditions possible
> against shared_ptr's reference counter.
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