[Bug 230082] bhyve doesn't set process title

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=230082

Yuichiro NAITO <naito.yuichiro at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|In Progress                 |Closed
         Resolution|---                         |FIXED

--- Comment #9 from Yuichiro NAITO <naito.yuichiro at gmail.com> ---
(In reply to Mariusz Zaborski from comment #7)
> The setproctitle(3) looks fine with me - I will commit it.

Thanks for the commit.

> With the ps_string the problem is a little more complicated.
> In my opinion the title is a part of a global namespace so we should not be ab\
le to change it but I would like to discussed this.

I misunderstood sysctl behavior.

I saw that original (before r335939) setproctitle(3) calls sysctl like this.

```
sysctl([CTL_KERN, KERN_PROC, KEN_PROC_ARGS, getpid()], ...)
```

This code works in capability mode all the time (independent of r335939).
I thought calling sysctl("kern.ps_strings") was also safe in capability mode.
But, the sysctl is allowed to write only...

> In this bug report can we only focus on the bhyve title issue?

Yes, I don't see any other problems for now.
I will close this PR.

Thank you!

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