RFR: CODETOOLS-7902830: dtraceasm: do not Process.destroy the dtrace process [v2]

[Aleksey Shipilev]

> Look here:
>  https://mail.openjdk.java.net/pipermail/jmh-dev/2021-February/003134.html
> 
> Process.destroy closes the streams, so whatever output the profiler had accrued would be lost.
> 
> I need someone with functioning Mac OS dtrace to test this.

Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:

  Update PID detection code and other touchups

-------------

Changes:
  - all: https://git.openjdk.java.net/jmh/pull/22/files
  - new: https://git.openjdk.java.net/jmh/pull/22/files/95ead6e8..79387ff1

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jmh&pr=22&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jmh&pr=22&range=00-01

  Stats: 72 lines in 3 files changed: 66 ins; 0 del; 6 mod
  Patch: https://git.openjdk.java.net/jmh/pull/22.diff
  Fetch: git fetch https://git.openjdk.java.net/jmh pull/22/head:pull/22

PR: https://git.openjdk.java.net/jmh/pull/22