> Disclaimer: I noticed that Socket.lhs didn't change from 4.08.2.
>
> However, while Socket.listen works on 4.08.2, it *blocks* with ghc5.
> The listening socket isn't even visible by netstat -an!
> A Linux-strace looks like this:
>
> socket(PF_INET, SOCK_STREAM, IPPROTO_TCP) = 4
> fcntl(4, F_GETFL) = 0x2 (flags O_RDWR)
> fcntl(4, F_SETFL, O_RDWR|O_NONBLOCK) = 0
> setsockopt(4, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
> --- SIGVTALRM (Virtual timer expired) ---
> sigreturn() = ? (mask now [])
> [SIGVTALRM ad libitum, nothing else happens]
>
> Does somebody have any thoughts about what's happening here?
We've fixed this bug; 5.00.1 will have the fix. (see revision 1.22 of
fptools/hslibs/net/SocketPrim.lhs for the patch).
Cheers,
Simon
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