[foreign-memaccess] RFR: 8246052: MemorySegment::mapFromPath should take an offset

Thu May 28 14:20:52 UTC 2020

On Thu, 28 May 2020 13:10:15 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

> This patch adds a mapping offset to MemorySegment::mapFromPath. This usability enhancement has been requested many
> times, and it would be nice to add it to the API, to make it more similar to FileChannel::map, and to allow for more
> efficient memory usage when dealing with mapped files.  I also added more  tests on mapped segments, to check for edge
> cases; and also to verify that mapping from offset actually works.

Marked as reviewed by sundar (Committer).

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PR: https://git.openjdk.java.net/panama-foreign/pull/187