git: openjdk/jdk21u: master: 8312166: (dc) DatagramChannel's socket adaptor does not release carrier thread when blocking in receive

[Rob McKenna]

Changeset: dfc32a08
Author:    Rob McKenna <robm at openjdk.org>
Date:      2023-09-15 18:39:06 +0000
URL:       https://git.openjdk.org/jdk21u/commit/dfc32a08d960b417063172bcee0bf947c9dbfa86

8312166: (dc) DatagramChannel's socket adaptor does not release carrier thread when blocking in receive

Backport-of: 028068a655bb08e016e7a915c2b2f6abc1e480a0

! src/java.base/share/classes/sun/nio/ch/DatagramChannelImpl.java
! src/java.base/share/classes/sun/nio/ch/DatagramSocketAdaptor.java
+ test/jdk/java/net/DatagramSocket/TimeoutWithSM.java