[jdk21u-dev] RFR: 8320168: handle setsocktopt return values

[Matthias Baesken]

8320168: handle setsocktopt return values

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Commit messages:
 - Backport db1d82347bb18e21c4c6a18076ffdaf17724c733

Changes: https://git.openjdk.org/jdk21u-dev/pull/41/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=41&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8320168
  Stats: 53 lines in 8 files changed: 38 ins; 0 del; 15 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/41.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/41/head:pull/41

PR: https://git.openjdk.org/jdk21u-dev/pull/41