RFR: 8334169: Long arguments of attach operation are silently truncated on Windows [v3]

[Alex Menkov]

> The change fixes a bug in Attach API implementation on Windows when argument(s) are longer than 1023 bytes
> 
> testing: test/hotspot/jtreg/serviceability/attach, test/jdk/com/sun/tools/attach on Oracle supported platforms

Alex Menkov has updated the pull request incrementally with one additional commit since the last revision:

  Chris feedback

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Changes:
  - all: https://git.openjdk.org/jdk/pull/19780/files
  - new: https://git.openjdk.org/jdk/pull/19780/files/be66602d..f075a001

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19780&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19780&range=01-02

  Stats: 53 lines in 2 files changed: 28 ins; 6 del; 19 mod
  Patch: https://git.openjdk.org/jdk/pull/19780.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19780/head:pull/19780

PR: https://git.openjdk.org/jdk/pull/19780