Re: [PATCH] vl: change PID file path resolve error to warning

[Fiona Ebner <f.ebner@proxmox.com>]

Am 27.10.22 um 14:17 schrieb Daniel P. Berrangé:
> On Thu, Oct 27, 2022 at 12:14:43PM +0200, Fiona Ebner wrote:
>> +            warn_report("not removing PID file on exit: cannot resolve PID file"
>> +                        " path: %s: %s", pid_file, strerror(errno));
>> +            return;
>>          }
> 
> I don't think using warn_report is desirable here.
> 
> If the behaviour of passing a pre-unlinked pidfile is considered
> valid, then we should allow it without printing a warning every
> time an application does this.
> 
> warnings are to highlight non-fatal mistakes by applications, and
> this is not a mistake, it is intentionally supported behaviour.
> 
> With regards,
> Daniel

But what if the path resolution fails in a scenario where the caller did
not pre-unlik the PID file? Should the warning only be printed when the
errno is not ENOENT? Might still not be accurate in all cases though.

Best Regards,
Fiona