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1 files changed, 39 insertions, 0 deletions

diff --git a/libnetfs/io-duplicate.c b/libnetfs/io-duplicate.c
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+++ b/libnetfs/io-duplicate.c
@@ -0,0 +1,39 @@
+/* 
+   Copyright (C) 1995 Free Software Foundation, Inc.
+   Written by Michael I. Bushnell, p/BSG.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */
+
+#include "netfs.h"
+#include "io_S.h"
+
+error_t
+netfs_S_io_duplicate (struct protid *user,
+		      mach_port_t *newport,
+		      mach_msg_type_name_t *newporttp)
+{
+  struct protid *newpi;
+  
+  mutex_lock (&user->po->np->lock);
+  newpi = netfs_make_protid (user->po,
+			     netfs_copy_credential (user->credential));
+  *newport = ports_get_right (newpi);
+  mutex_unlock (&user->po->np->lock);
+  *newporttp = MACH_MSG_TYPE_MAKE_SEND;
+  ports_port_deref (newpi);
+  return 0;
+}