RFR: 8303937: Corrupted heap dumps due to missing retries for os::write()

[Man Cao]

Hi all,

Could anyone review this fix for heap dump corruption? See https://bugs.openjdk.org/browse/JDK-8303937 for more details.

Our users reported frequent heap dump corruptions after updating to 11.0.14.1u. We found the root cause is changes from https://bugs.openjdk.org/browse/JDK-8237354.

-Man

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Commit messages:
 - JDK-8303937: Corrupted heap dumps due to missing retries for os::write()

Changes: https://git.openjdk.org/jdk/pull/12966/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12966&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8303937
  Stats: 8 lines in 1 file changed: 4 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/12966.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12966/head:pull/12966

PR: https://git.openjdk.org/jdk/pull/12966