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

[Xin Liu]

8268638: semaphores of AsyncLogWriter may be broken when JVM is exiting.

Reviewed-by: dholmes, phh
Backport-Of: fa3b44d43811dca8c609d6c61a58680835abf8e3

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Commit messages:
 - Backport fa3b44d43811dca8c609d6c61a58680835abf8e3

Changes: https://git.openjdk.java.net/jdk17/pull/95/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17&pr=95&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8268638
  Stats: 22 lines in 2 files changed: 6 ins; 7 del; 9 mod
  Patch: https://git.openjdk.java.net/jdk17/pull/95.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17 pull/95/head:pull/95

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