I created a program that polls socket data from different sources using Select() function with 5us timeout from "recvfrom", one source is from unicast socket, the second source is Multicast source.
The issue i have, is that when i use my program on one network location it works as expected, but when i use it on another network (different building but similar network setup and configuration) i get a command line error message "Select : Interrupted System Call" .
What do you think might be the problem ? could it be simply Multicast table issue or my actual program is buggy (but i don't think so, if it work on one Linux platform it should work on a similar one) ?
Environment : Linux
Sockets used : udp
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