RFR: 8327114: Attach in Linux may have wrong behaviour when pid == ns_pid (Kubernetes debug container) [v5]

[Sebastian Lövdahl]

> 8327114: Attach in Linux may have wrong behaviour when pid == ns_pid (Kubernetes debug container)

Sebastian Lövdahl has updated the pull request incrementally with one additional commit since the last revision:

  Adapt code style

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Changes:
  - all: https://git.openjdk.org/jdk/pull/19055/files
  - new: https://git.openjdk.org/jdk/pull/19055/files/c625411b..8b200fc7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19055&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19055&range=03-04

  Stats: 27 lines in 1 file changed: 4 ins; 11 del; 12 mod
  Patch: https://git.openjdk.org/jdk/pull/19055.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19055/head:pull/19055

PR: https://git.openjdk.org/jdk/pull/19055