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From "Leo Li (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-3037) [classlib][nio]DatagramChannelImpl lacks support for direct byte buffer in wrtieImpl
Date Tue, 23 Jan 2007 05:32:49 GMT
[classlib][nio]DatagramChannelImpl lacks support for direct byte buffer in wrtieImpl
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                 Key: HARMONY-3037
                 URL: https://issues.apache.org/jira/browse/HARMONY-3037
             Project: Harmony
          Issue Type: Improvement
          Components: Classlib
            Reporter: Leo Li


As spec says, "Given a direct byte buffer, the Java virtual machine will make a best effort
to perform native I/O operations directly upon it. That is, it will attempt to avoid copying
the buffer's content to (or from) an intermediate buffer before (or after) each invocation
of one of the underlying operating system's native I/O operation". However, in Harmony nio,
DatagramChannelImpl does not differentiate whether the byte buffer is direct or not.

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