[pypy-dev] Sandbox missing functions like 'fcntl'

[Dmitry Sagalovskiy]

Here is a far more baffling one:

Not Implemented: sandboxing for external function 'pypy_jit_depthmap_add'

That's certainly not something I would expect the controller process to
implement. It seems to happen after a bunch of repetitive commands (when I
suppose JIT is kicking in).

BTW, I did not run into either of these issues with a build from a year
ago, around commit 72100.

If anyone can suggest what I might be doing wrong, I would greatly
appreciate.

Dmitry

On Mon, Jun 8, 2015 at 6:31 PM, Dmitry Sagalovskiy <dmitry at getgrist.com>
wrote:

> Hi!
>
> I am getting this error from the sandbox:
>
> Not Implemented: sandboxing for external function 'fcntl'
>
> I am using a custom controller process, and getting this in fdopen
> (pypy_interact bombs on something else before it gets to that point). After
> much digging, I think this is due to _check_fd_mode function in
> rpython/rlib/streamio.py. In sandbox mode, I think there is little use for
> this check, but since it's there, I need some workaround. Does anyone have
> recommendations?
>
> More generally, my team needs to decide if we can rely on the pypy sandbox
> to use in our product. It seems brilliantly designed, fast, and overall
> impressive. But there are these gaps in missing sandbox wrappers (there are
> others too, fcntl is just one that I don't know how to avoid). And I
> noticed some code that indicates that it is not supported on Windows -- is
> that the case?
>
> What are the sandbox's prospects, within the larger future of pypy?
>
> Dmitry
>
>
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