Re: Clock drift and other open issues: Collecting information

On 2023-12-30 21:14, Mouse wrote:
>>> That's one reason I tend to use sysctl for querying, and sysctl -w
>>> for changing, resource limits.  (The other is that the syntax is
>>> significantly less shell-dependent.)
>> The problem with that is that you can deal with the hard limits, but
>> tricky with process limits.  The classic "what commands must be
>> built-in in a shell".
> 
> proc.$$.rlimit (rather than proc.curproc.rlimit) is your friend in that
> regard.

Cool. I didn't know you had access to random process rlimits that way. Nice.

> The "what commands must be built-in" applies only when there's no
> interface that lets a separate process affect the settings for the
> shell.  When the interface is setrlimit(), that's so, but with sysctl a
> child process _can_ affect the shell's resource limits.

I had missed some details on that one. Thanks.

   Johnny

-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: [email protected]             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol