hg: loom/loom: Merge JDK-8223353 from jdk/jdk to ensure close/interrupt do not block

[alan.bateman at oracle.com]

Changeset: 62eded1f7031
Author:    alanb
Date:      2019-05-08 12:44 +0100
URL:       http://hg.openjdk.java.net/loom/loom/rev/62eded1f7031

Merge JDK-8223353 from jdk/jdk to ensure close/interrupt do not block

! src/java.base/share/classes/java/nio/channels/spi/AbstractInterruptibleChannel.java
! src/java.base/share/classes/sun/nio/ch/DatagramChannelImpl.java
! src/java.base/share/classes/sun/nio/ch/NioSocketImpl.java
! src/java.base/share/classes/sun/nio/ch/ServerSocketChannelImpl.java
! src/java.base/share/classes/sun/nio/ch/SocketChannelImpl.java
! src/java.base/unix/classes/sun/nio/ch/SinkChannelImpl.java
! src/java.base/unix/classes/sun/nio/ch/SourceChannelImpl.java