sysdeps/generic/startup.h

   1 /* Generic definitions of functions used by static libc main startup.
   2    Copyright (C) 2017-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 /* Targets should override this file if the default definitions below
  20    will not work correctly very early before TLS is initialized.  */
  21
  22 #include <unistd.h>
  23
  24 /* Use macro instead of inline function to avoid including <stdio.h>.  */
  25 #define _startup_fatal(message) __libc_fatal ((message))
  26
  27 static inline uid_t
  28 startup_getuid (void)
  29 {
  30   return __getuid ();
  31 }
  32
  33 static inline uid_t
  34 startup_geteuid (void)
  35 {
  36   return __geteuid ();
  37 }
  38
  39 static inline gid_t
  40 startup_getgid (void)
  41 {
  42   return __getgid ();
  43 }
  44
  45 static inline gid_t
  46 startup_getegid (void)
  47 {
  48   return __getegid ();
  49 }