[erlang-questions] gen_tcp send non-blocking in erlang?

[Max Lapshin]

It is a very, very dangerous practice, because you loose control over your
program with non-blocking send.

First step that you MUST do is setting send_timeout on socket. By default
it is infinity and it means that your process may get blocked forever
trying to push data.

I don't know why infinity is a default value, it is really strange for me.

Second, dangerous step is just using port_command(Socket, IoData). Then you
must wait for messages from this socket. But don't use it =)
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