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oldlinux-files/gnu/glibc/glibc-1.05.tar/glibc-1.05/sysdeps/mach/hurd/__getuid.c
2024-02-19 00:24:47 -05:00

45 lines
1.4 KiB
C

/* Copyright (C) 1991, 1992 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <errno.h>
#include <unistd.h>
#include <hurd.h>
/* Get the real user ID of the calling process. */
uid_t
DEFUN_VOID(__getuid)
{
uid_t uid;
__mutex_lock (&_hurd_idlock);
if (!_hurd_id_valid)
{
error_t err = _HURD_PORT_USE (&_hurd_auth,
__auth_getids (port, &_hurd_id));
if (err)
{
__mutex_unlock (&_hurd_idlock);
return __hurd_fail (err);
}
_hurd_id_valid = 1;
}
uid = _hurd_id.ruid;
__mutex_unlock (&_hurd_idlock);
return uid;
}