[Lazarus] Process ID

[Mark Morgan Lloyd]

Marco van de Voort wrote:
> On Thu, Sep 13, 2012 at 09:08:19AM +0000, Mark Morgan Lloyd wrote:
>>> So be fair, I don't think I have ever come across a Linux distro that 
>>> doesn't include the ps binary as standard. And I have used Linux since 
>>> 1996. Even *BSD and *Solaris include the ps binary as standard too.
>> Yes, but the ps parameters vary. I'm using this stuff in my FPC build 
>> script on Linux and Solaris.
>  
>> Can anybody say what the xBSD situation is? What's in /proc/nnn ?
> 
> In BSD /proc/<a pid> contains 
> 
> [marcov at dragon ~]$ ls /proc/44539
> cmdline ctl     etype   file    map     rlimit  status
> [marcov at dragon ~]$
> 
> but afaik BSDs can turn /proc off, and this is commonly done so on servers.
> 
> /proc is only a SysV compatibility feature there,
> most BSD-own tools work via other interfaces (like sysctl(3))
> 
> Turning it off is getting rarer though (probably linux converging).

Thanks Marco, very much worth knowing.

-- 
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

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