[erlang-questions] erl_driver: is char *buf from control safe?

[Lukas Larsson]

On Tue, Sep 9, 2014 at 5:41 PM, Max Lapshin <max.lapshin@REDACTED> wrote:

> I send very big binary to driver:
>
> erlang:port_control(Port, 15, YUV)
>
> Can I send it's pointer buf to async thread?  Is it safe?
>

No, you want to use port_command together with driver_enq/deq+pdl to do
that.
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