[jdk17] RFR: 8268638: semaphores of AsyncLogWriter may be broken when JVM is exiting.

[Xin Liu]

On Fri, 18 Jun 2021 00:56:46 GMT, Xin Liu <xliu at openjdk.org> wrote:

> 8268638: semaphores of AsyncLogWriter may be broken when JVM is exiting.
> 
> Reviewed-by: dholmes, phh
> Backport-Of: fa3b44d43811dca8c609d6c61a58680835abf8e3

A backport task JDK-8268977 is now open, but this PR is associated with JDK-8268638.
Should I remove JDK-8268638 and add JDK-8268977?

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PR: https://git.openjdk.java.net/jdk17/pull/95