git: openjdk/jdk21u-dev: master: 8342449: reimplement: JDK-8327114 Attach in Linux may have wrong behavior when pid == ns_pid

[Goetz Lindenmaier]

Changeset: 6b878c82
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2026-01-22 13:52:13 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/6b878c8217fe7bc2f523a2aa962c3a3269dd30f6

8342449: reimplement: JDK-8327114 Attach in Linux may have wrong behavior when pid == ns_pid

Reviewed-by: mdoerr, sgehwolf
Backport-of: 93e889b48cb6eb6872201a28ee19d8fd17c5d821

! src/jdk.attach/linux/classes/sun/tools/attach/VirtualMachineImpl.java