From 533c9b05b8558cc73142a974c4413fc0213d1187 Mon Sep 17 00:00:00 2001
From: Ken Brown <kbrown@cornell.edu>
Date: Wed, 21 Oct 2020 08:01:01 -0400
Subject: [PATCH] Cygwin: AF_UNIX: sendmsg: call grab_admin_pkt

Check to see if the peer has sent a shutdown packet before calling
saw_shutdown.
---
 winsup/cygwin/fhandler_socket_unix.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/winsup/cygwin/fhandler_socket_unix.cc b/winsup/cygwin/fhandler_socket_unix.cc
index df76b49b7..ecf5f2839 100644
--- a/winsup/cygwin/fhandler_socket_unix.cc
+++ b/winsup/cygwin/fhandler_socket_unix.cc
@@ -2541,6 +2541,7 @@ fhandler_socket_unix::sendmsg (const struct msghdr *msg, int flags)
 	      set_errno (ENOTCONN);
 	      __leave;
 	    }
+	  grab_admin_pkt ();
 	  if (saw_shutdown () & _SHUT_SEND)
 	    {
 	      set_errno (EPIPE);