About recvfrom part I think I got the answer from
https://www.cs.cmu.edu/~srini/15-441/F01.full/www/assignments/P2/htmlsim_split/node12.html
> "...In an actual UNIX system, socket descriptors are set to be non-blocking
> using fcntl() with type O_NONBLOCK, and Recvfrom() returns errno EWOULDBLOCK
> when there is no data to be read on the non-blocking socket"
---
Reply to this email directly or view it on GitHub:
https://github.com/kamailio/kamailio/issues/510#issuecomment-184990011
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