elf/tst-gnu2-tls1.c

   1 /* Test local and global dynamic models for GNU2 TLS.
   2    Copyright (C) 2016-2020 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 #include <stdio.h>
  20 #include <stdlib.h>
  21
  22 extern int * get_gd (void);
  23 extern void set_gd (int);
  24 extern int test_gd (int);
  25 extern int * get_ld (void);
  26 extern void set_ld (int);
  27 extern int test_ld (int);
  28
  29 __thread int gd = 1;
  30
  31 static int
  32 do_test (void)
  33 {
  34   int *p;
  35
  36   p = get_gd ();
  37   set_gd (3);
  38   if (*p != 3 || !test_gd (3))
  39     abort ();
  40
  41   p = get_ld ();
  42   set_ld (4);
  43   if (*p != 4 || !test_ld (4))
  44     abort ();
  45
  46   printf ("PASS\n");
  47
  48   return 0;
  49 }
  50
  51 #include <support/test-driver.c>