From 8ca521afe95550d903b4fe2cfbb170d6791b47d6 Mon Sep 17 00:00:00 2001 From: Corinna Vinschen Date: Tue, 4 Apr 2006 09:54:25 +0000 Subject: * net.cc (fdsock): Raise default SO_RCVBUF/SO_SNDBUF buffer sizes to the same values as on Linux. --- winsup/cygwin/net.cc | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'winsup/cygwin/net.cc') diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc index 91d18fd..baf0c0c 100644 --- a/winsup/cygwin/net.cc +++ b/winsup/cygwin/net.cc @@ -557,6 +557,15 @@ fdsock (cygheap_fdmanip& fd, const device *dev, SOCKET soc) fd->uninterruptible_io (true); cygheap->fdtab.inc_need_fixup_before (); debug_printf ("fd %d, name '%s', soc %p", (int) fd, dev->name, soc); + + /* Same default buffer sizes as on Linux (instead of WinSock default 8K). */ + int rmem = dev == tcp_dev ? 87380 : 120832; + int wmem = dev == tcp_dev ? 16384 : 120832; + if (::setsockopt (soc, SOL_SOCKET, SO_RCVBUF, (char *) &rmem, sizeof (int))) + debug_printf ("setsockopt(SO_RCVBUF) failed, %lu", WSAGetLastError ()); + if (::setsockopt (soc, SOL_SOCKET, SO_SNDBUF, (char *) &wmem, sizeof (int))) + debug_printf ("setsockopt(SO_SNDBUF) failed, %lu", WSAGetLastError ()); + return true; } -- cgit v1.1