1 /* Copyright (C) 1993, 94, 96, 97, 98, 2000 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
24 geteuids (int n, uid_t *uidset)
30 crit = _hurd_critical_section_lock ();
31 __mutex_lock (&_hurd_id.lock);
33 if (err = _hurd_check_ids ())
35 __mutex_unlock (&_hurd_id.lock);
36 _hurd_critical_section_unlock (crit);
37 return __hurd_fail (err);
40 nuids = _hurd_id.gen.nuids;
44 /* Copy the uids onto stack storage and then release the idlock. */
46 memcpy (uids, _hurd_id.gen.uids, sizeof (uids));
47 __mutex_unlock (&_hurd_id.lock);
48 _hurd_critical_section_unlock (crit);
50 /* Now that the lock is released, we can safely copy the
51 uid set into the user's array, which might fault. */
54 memcpy (uidset, uids, nuids * sizeof (uid_t));
58 __mutex_unlock (&_hurd_id.lock);
59 _hurd_critical_section_unlock (crit);
65 /* XXX Remove this alias when we bump the libc soname. */
67 #if defined SHARED && DO_VERSIONING
68 weak_alias (geteuids, __getuids)