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Posted to commits@harmony.apache.org by "Regis Xu (JIRA)" <ji...@apache.org> on 2009/09/18 09:56:57 UTC
[jira] Closed: (HARMONY-6328) [classlib][nio] optimize
SocketChannel.write(ByteBuffer[], int, int) by writev
[ https://issues.apache.org/jira/browse/HARMONY-6328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Regis Xu closed HARMONY-6328.
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> [classlib][nio] optimize SocketChannel.write(ByteBuffer[], int, int) by writev
> ------------------------------------------------------------------------------
>
> Key: HARMONY-6328
> URL: https://issues.apache.org/jira/browse/HARMONY-6328
> Project: Harmony
> Issue Type: Improvement
> Components: Classlib
> Affects Versions: 5.0M11
> Reporter: Regis Xu
> Assignee: Regis Xu
> Fix For: 5.0M12
>
> Attachments: HARMONY-6328.diff, HARMONY-6328.final.diff, HARMONY-6328.v2.diff, HARMONY-6328.v3.diff, test.diff
>
>
> SocketChannel.write(ByteBuffer[], int, int) can be optimized by using writev, which can write an array of buffer to socket without any stage buffer. If all passed in ByteBuffer is direct buffer, they can be passed to system call directly without any copies.
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