[jdk15u-dev] RFR: 8252090: JFR: StreamWriterHost::write_unbuffered() stucks in an infinite loop OpenJDK (build 13.0.1+9)

Tue Apr 20 19:30:26 UTC 2021

I'd like to backport JDK-8252090 to 15u for parity with 11u.
The patch applies cleanly.
Tested with tier1 and jdk/jfr tests.

-------------

Commit messages:
 - Backport 9924c45faebdba4084c9a5dd5b415dfe6c979024

Changes: https://git.openjdk.java.net/jdk15u-dev/pull/30/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk15u-dev&pr=30&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8252090
  Stats: 59 lines in 10 files changed: 23 ins; 4 del; 32 mod
  Patch: https://git.openjdk.java.net/jdk15u-dev/pull/30.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk15u-dev pull/30/head:pull/30

PR: https://git.openjdk.java.net/jdk15u-dev/pull/30