1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
/*
Copyright (C) 1994 Free Software Foundation
This program 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.
This program 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "priv.h"
#include "io_S.h"
/* Implement io_duplicate as described in <hurd/io.defs>. */
kern_return_t
diskfs_S_io_duplicate (struct protid *cred,
mach_port_t *port,
mach_msg_type_name_t *portpoly)
{
if (!cred)
return EOPNOTSUPP;
mutex_lock (&cred->po->np->lock);
*port = (ports_get_right
(diskfs_make_protid
(cred->po, cred->uids, cred->nuids, cred->gids, cred->ngids)));
*portpoly = MACH_MSG_TYPE_MAKE_SEND;
mutex_unlock (&cred->po->np->lock);
return 0;
}
|
