[erlang-questions] Gracefully timeout during erlang:port_call/3?
Thu Oct 7 08:12:27 CEST 2010
2010/10/6 Ahmed Omar <>:
> Not sure if there is a graceful way , but you can spawn the call in a
> process that will be terminated after some timeout.
That's the simple way to do it.
> This will terminate the calling process, but if it will affect the port driver depends i guess it
> depends on the port
> timer:kill_after(Timeout, spawn(erlang, port_call, [Port, Operation, Data])).
But this can crash my port program.
Any other advice guys?
> On Mon, Oct 4, 2010 at 1:58 AM, zabrane Mikael <> wrote:
>> Hi guys,
>> Is there a way to gracefully timeout (i.e without crashing the port
>> driver) during the synchronous call to "erlang:port_call/3"?
>> The idea here is to try to timeout if the port takes long time to return.
>> Any advice is welcome?
>> erlang-questions (at) erlang.org mailing list.
>> See http://www.erlang.org/faq.html
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> Best Regards,
> - Ahmed Omar
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