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Date: Tue, 21 Sep 2010 00:29:32 -0400 (EDT)
From: "Uwe Schindler (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Subject: [jira] Updated: (LUCENE-2651) Add support for MMapDirectory's unmap
 in Apache Harmony
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     [ https://issues.apache.org/jira/browse/LUCENE-2651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe Schindler updated LUCENE-2651:
----------------------------------

    Attachment: LUCENE-2651.patch

Just for completeness: Improved version of the enum, to be easier extendable. We should wait a bit until Harmony works correct and then use the basic code to do the free there.

For other VMs (IBM Rockit) it seems that all emulate Platform.SUN.

> Add support for MMapDirectory's unmap in Apache Harmony
> -------------------------------------------------------
>
>                 Key: LUCENE-2651
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2651
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>             Fix For: 3.1, 4.0
>
>         Attachments: LUCENE-2651.patch, LUCENE-2651.patch, LUCENE-2651.patch, LUCENE-2651.patch
>
>
> The setUseUnmap does not work on Apache Harmony, this patch adds support for it. It also fixes a small problem, that unmapping a clone may cause a sigsegv.

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