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https://issues.apache.org/jira/browse/HDFS-3271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13255347#comment-13255347
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Todd Lipcon commented on HDFS-3271:
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bq. Or test for POSIX compliance at configure time...
Testing for presence of a race is tricky.
bq. (FWIW, I'm still mostly convinced that this ugly hack was a waste of time
for the majority of folks.)
Sure, but for the folks who needed it, it saved their clusters from constant
segfaults.
> src/fuse_users.c: use re-entrant versions of getpwuid, getgid, etc
> ------------------------------------------------------------------
>
> Key: HDFS-3271
> URL: https://issues.apache.org/jira/browse/HDFS-3271
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Priority: Minor
>
> Use the re-entrant versions of these functions rather than using locking
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