src/Pure/General/socket_io.ML

--- a/src/Pure/General/socket_io.ML	Mon Oct 14 15:46:35 2013 +0200
+++ b/src/Pure/General/socket_io.ML	Wed Oct 16 11:35:04 2013 +0200
@@ -25,7 +25,7 @@
     val rd =
       BinPrimIO.RD {
         name = name,
-        chunkSize = Socket.Ctl.getRCVBUF socket,
+        chunkSize = 4096,
         readVec = SOME (fn n => Socket.recvVec (socket, n)),
         readArr = SOME (fn buffer => Socket.recvArr (socket, buffer)),
         readVecNB = NONE,
@@ -44,7 +44,7 @@
     val wr =
       BinPrimIO.WR {
         name = name,
-        chunkSize = Socket.Ctl.getSNDBUF socket,
+        chunkSize = 4096,
         writeVec = SOME (fn buffer => Socket.sendVec (socket, buffer)),
         writeArr = SOME (fn buffer => Socket.sendArr (socket, buffer)),
         writeVecNB = NONE,