[8u20] Request for approval - 7133499: (fc) FileChannel.read not preempted by asynchronous close on OS X

[Rob McKenna]

Hi folks,

Straightforward backport from 9:

changeset: http://hg.openjdk.java.net/jdk9/dev/jdk/rev/9f2d6628699c
bug: https://bugs.openjdk.java.net/browse/JDK-7133499
review: 
http://mail.openjdk.java.net/pipermail/macosx-port-dev/2012-January/002582.html 


     -Rob