diff options
| -rw-r--r-- | libnetfs/io-duplicate.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libnetfs/io-duplicate.c b/libnetfs/io-duplicate.c new file mode 100644 index 00000000..ba3954af --- /dev/null +++ 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; +} |