[Vm-dev] Re: [squeak-dev] Linux VM can't read files from /proc

Alexander Lazarević laza at blobworks.com
Mon Feb 21 22:19:14 UTC 2011

Ah, you're right. The Squeak VM gets the file size via stat and does not
just read the contents from the file. So for squeak the file looks just
That's a shame because /proc/self/environ would be an easy way to access the
environment variables from within the image without any need to add a
specific primitive to the VM or use FFI.


2011/2/21 Tony Garnock-Jones <tonyg at ccs.neu.edu>

> On 2011-02-21 4:35 PM, Alexander Lazarević wrote:
>> Does anybody know why the linux vm can't read files from the /proc
>> filesystem? The VM is able to open the files but the size is 0!? A
>> simple less or cat on these files just works fine ...
> Is it just the sizes that are zero, or does actually reading from them fail
> too? A stat() (or for that matter an ls -l) will return a zero size, but a
> read() in C will return data.
> Regards,
>  Tony
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