Remove read retry logic and instead use select() with timeout.

troglobit / pimd

PIM-SM/SSM multicast routing for UNIX and Linux

http://troglobit.com/projects/pimd/

BSD 3-Clause "New" or "Revised" License

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Remove read retry logic and instead use select() with timeout. #191

Closed stormshield-damiend closed 3 years ago

stormshield-damiend commented 3 years ago

This is needed because FreeBSD route socket replies for RTM_GET are queued by the kernel and thus are asynchronous. This fixes "Kernel busy" error messages which happens when pimd reads too fast after a write on route socket.