mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 15:00:06 +00:00
04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/* Copyright (C) 1993-2019 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <hurd.h>
|
|
#include <hurd/id.h>
|
|
|
|
/* Get the real user ID of the calling process. */
|
|
uid_t
|
|
__getuid (void)
|
|
{
|
|
error_t err;
|
|
uid_t uid;
|
|
|
|
HURD_CRITICAL_BEGIN;
|
|
__mutex_lock (&_hurd_id.lock);
|
|
|
|
if (err = _hurd_check_ids ())
|
|
{
|
|
errno = err;
|
|
uid = -1;
|
|
}
|
|
else if (_hurd_id.aux.nuids >= 1)
|
|
uid = _hurd_id.aux.uids[0];
|
|
else
|
|
{
|
|
/* We do not even have a real uid. */
|
|
errno = EGRATUITOUS;
|
|
uid = -1;
|
|
}
|
|
|
|
__mutex_unlock (&_hurd_id.lock);
|
|
HURD_CRITICAL_END;
|
|
|
|
return uid;
|
|
}
|
|
|
|
weak_alias (__getuid, getuid)
|