NEPacketTunnelFlow.writePacketObjects is a blocking or non-blocking

NEPacketTunnelFlow.writePacketObjects is a blocking or non-blocking call? If it is a blocking call, is there any way to make it asynchronous? Tried putting it into a dispatchQueue which is creating multiple threads and is overhead.

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anoojkrishnan
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@anoojkrishnan How did you solved this probelm?

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faisalIkwal
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