Re: Why does Python want to read /proc/meminfo

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On Sat, 2017-05-06 at 11:07 -0500, Ian Pilcher wrote:
> On 05/06/2017 12:51 AM, dieter wrote:
> > Personally, I doubt that you will find a reference.
> > Instead, I assume that the reference comes from the C runtime
> > library.
> > It might hepl optimize memory management to know about "meminfo"
> > details.
> 
> You're right.  Seems that it's glibc's qsort().
> 
> So it seems that any service written in Python (or any other program
> that uses qsort) needs to be given read access to most of /proc or
> deal
> with the (unspecified) consequences of not allowing qsort() to
> determine
> the amount of memory in the system.
> 
> Delightful.

Alternatively, assign a specific type to /proc/meminfo and allow read
to it without opening up access to most of /proc.  That is what Android
has done, for example.




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