[DEV] pomp_ctx: report error on listening socket
[DEV] pomp_ctx: report error on listening socket

Don't blindly assume the server socket can only receive
POMP_FD_EVENT_IN: deal with POMP_FD_EVENT_ERR, and other
less likely events.

As the result, the server accept handler is only call for
POMP_FD_EVENT_IN event.






Parrot-Developers/libpomp,Parrot-Developers/libpomp,Parrot-Developers/libpomp,Parrot-Developers/libpomp