How to send an asynchronous request CURL?

There are 2 servers. On the server 1 runs the daemon, and 2 the server receives requests. How to make curl do not expect a response?
August 19th 19 at 23:19
1 answer
August 19th 19 at 23:21
opened connect, let the package closed.

as an option to put in the curl timeout to 1 or even less(don't know if it's possible)
curl will fall myself with too long response

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