[jira] [Commented] (GEODE-6470) Double-checked locking is not thread-safe [LGTM]

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GEODE-6470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16781900#comment-16781900 ] 

ASF subversion and git services commented on GEODE-6470:
--------------------------------------------------------

Commit 97f5f9157843e2832ce52cae131d642c923c0e9a in geode's branch refs/heads/develop from Nabarun Nag
[ https://gitbox.apache.org/repos/asf?p=geode.git;h=97f5f91 ]

GEODE-6470: Making double-checked locking thread-safe (#3252)

        * A repeated check on a non-volatile field is not thread-safe, and could result in unexpected behavior.
	* Fixed using volatile and local variables

> Double-checked locking is not thread-safe [LGTM]
> ------------------------------------------------
>
>                 Key: GEODE-6470
>                 URL: https://issues.apache.org/jira/browse/GEODE-6470
>             Project: Geode
>          Issue Type: Bug
>            Reporter: nabarun
>            Priority: Major
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> A repeated check on a non-volatile field is not thread-safe, and could result in unexpected behavior
> References:
> [http://www.cs.umd.edu/~pugh/java/memoryModel/DoubleCheckedLocking.html]
> https://en.wikipedia.org/wiki/Double-checked_locking



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