[foreign-memaccess] RFR: 8240874: Add finer-grained access control for memory segments

[Maurizio Cimadamore]

On Wed, 11 Mar 2020 21:37:39 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

> Suggest adding a `hasAccessModes` which does the obvious thing but can make code more readable.

I'll take a stab and see what happens.

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PR: https://git.openjdk.java.net/panama-foreign/pull/45