Sigbjorn Finne wrote:

Despite repeated attempts from this end, I am unable to reproduce this via local proxies.

Hence chasing down whatever problem is biting you (and others) is tricky without a repro case.

I'll try this change tomorrow: -----BEGIN DIFF----- diff --git a/Network/TCP.hs b/Network/TCP.hs index 7d3dbe7..04b8e2a 100644 --- a/Network/TCP.hs +++ b/Network/TCP.hs @@ -34,7 +34,7 @@ module Network.TCP import Network.BSD (getHostByName, hostAddresses) import Network.Socket - ( Socket, SockAddr(SockAddrInet), SocketOption(KeepAlive) + ( Socket, SockAddr(SockAddrInet), SocketOption(KeepAlive, Linger) , SocketType(Stream), inet_addr, connect , shutdown, ShutdownCmd(..) , sClose, setSocketOption, getPeerName @@ -189,6 +189,7 @@ openTCPConnection_ :: BufferType ty => String -> Int -> Bool - openTCPConnection_ uri port stashInput = do s <- socket AF_INET Stream 6 setSocketOption s KeepAlive 1 + setSocketOption s Linger 5 hostA <- getHostAddr uri let a = SockAddrInet (toEnum port) hostA catchIO (connect s a) (\e -> sClose s >> ioError e) -----END DIFF----- | If there is still data waiting to be transmitted over the | connection, normally `close' tries to complete this transmission. | You can control this behavior using the `SO_LINGER' socket option to | specify a timeout period; see *note _Socket Options_. [http://www.gnu.org/s/libc/manual/html_node/Closing-a-Socket.html] -- vvv