hg: jdk/submit: 8221397: Support implementation-defined Map Modes

[adinn at redhat.com]

Changeset: f2824be71ee9
Author:    adinn
Date:      2019-03-29 15:18 +0000
URL:       http://hg.openjdk.java.net/jdk/submit/rev/f2824be71ee9

8221397: Support implementation-defined Map Modes
Summary: Allow implementation-defined extensions to FileChannel MapMode enum
reviewed-by: duke

! src/java.base/share/classes/java/nio/channels/FileChannel.java