x86: Support IBT and SHSTK in Intel CET [BZ #21598]
[glibc.git] / nptl / tst-atfork2mod.c
blob11b00d7fb59fd87300992a167b84a31551706b80
1 /* Copyright (C) 2003-2018 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@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, see
17 <http://www.gnu.org/licenses/>. */
19 #include <pthread.h>
20 #include <stdio.h>
21 #include <stdlib.h>
22 #include <dso_handle.h>
25 extern int val;
28 static void
29 prepare (void)
31 ++val;
34 static void
35 parent (void)
37 val *= 4;
40 static void
41 child (void)
43 val *= 8;
46 static void
47 __attribute__ ((constructor))
48 init (void)
50 printf ("dsohandle = %p\n", __dso_handle);
52 if (pthread_atfork (prepare, parent, child) != 0)
54 puts ("init: atfork failed");
55 exit (1);