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* net.cc (fdsock): Raise default SO_RCVBUF/SO_SNDBUF buffer sizes to 

the same values as on Linux.
This commit is contained in:
Corinna Vinschen 2006-04-04 09:54:25 +00:00
parent 9dbb0bc355
commit 8ca521afe9
2 changed files with 14 additions and 0 deletions
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5
winsup/cygwin/ChangeLog
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@ -1,3 +1,8 @@
2006-04-04 Corinna Vinschen <corinna@vinschen.de>
* net.cc (fdsock): Raise default SO_RCVBUF/SO_SNDBUF buffer sizes to
the same values as on Linux.
2006-04-03 Christopher Faylor <cgf@timesys.com>
* child_info.h (CURR_CHILD_INFO_MAGIC): Update.

9
winsup/cygwin/net.cc
View File

@ -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;
}