Update.
[glibc.git] / nptl / tst-once1.c
blob87ed51c821f2559718c2353bd1f79031ebc29ec6
1 /* Copyright (C) 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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 <pthread.h>
21 #include <stdio.h>
24 static pthread_once_t once = PTHREAD_ONCE_INIT;
26 static int global;
28 static void
29 once_handler (void)
31 ++global;
35 static int
36 do_test (void)
38 pthread_once (&once, once_handler);
39 pthread_once (&once, once_handler);
41 if (global != 1)
43 printf ("global = %d, expected 1\n", global);
44 return 1;
47 return 0;
50 #define TEST_FUNCTION do_test ()
51 #include "../test-skeleton.c"