Update.
[glibc.git] / nptl / tst-tls4modb.c
blob99f3b5405fe9de99090508d12bb2303e8a49590a
1 /* Copyright (C) 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <stdio.h>
21 #include <stdlib.h>
22 #include <unistd.h>
23 #include <tls.h>
25 #if HAVE___THREAD && defined HAVE_TLS_MODEL_ATTRIBUTE
27 static int i;
28 int bar;
30 static __thread void *foo [32 / sizeof (void *)]
31 __attribute__ ((tls_model ("initial-exec"), aligned (sizeof (void *))))
32 = { &i, &bar };
34 void
35 test1 (void)
37 size_t s;
39 if (foo [0] != &i || foo [1] != &bar)
40 abort ();
42 foo [0] = NULL;
43 foo [1] = NULL;
44 for (s = 0; s < sizeof (foo) / sizeof (void *); ++s)
46 if (foo [s])
47 abort ();
48 foo [s] = &foo[s];
52 void
53 test2 (void)
55 size_t s;
57 for (s = 0; s < sizeof (foo) / sizeof (void *); ++s)
59 if (foo [s] != &foo [s])
60 abort ();
61 foo [s] = &foo [s ^ 1];
65 #endif