git: openjdk/jdk15u-dev: 8252090: JFR: StreamWriterHost::write_unbuffered() stucks in an infinite loop OpenJDK (build 13.0.1+9)

[Ekaterina Vergizova]

Changeset: 6d6a0fef
Author:    Ekaterina Vergizova <evergizova at openjdk.org>
Date:      2021-04-21 10:39:37 +0000
URL:       https://git.openjdk.java.net/jdk15u-dev/commit/6d6a0fef

8252090: JFR: StreamWriterHost::write_unbuffered() stucks in an infinite loop OpenJDK (build 13.0.1+9)

Backport-of: 9924c45faebdba4084c9a5dd5b415dfe6c979024

! src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
! src/hotspot/share/jfr/recorder/repository/jfrChunkWriter.cpp
! src/hotspot/share/jfr/recorder/storage/jfrStorageUtils.inline.hpp
! src/hotspot/share/jfr/utilities/jfrBlob.hpp
! src/hotspot/share/jfr/writers/jfrMemoryWriterHost.hpp
! src/hotspot/share/jfr/writers/jfrMemoryWriterHost.inline.hpp
! src/hotspot/share/jfr/writers/jfrStreamWriterHost.hpp
! src/hotspot/share/jfr/writers/jfrStreamWriterHost.inline.hpp
! src/hotspot/share/jfr/writers/jfrWriterHost.hpp
! src/hotspot/share/jfr/writers/jfrWriterHost.inline.hpp