powerpc: Avoid misaligned stores in memset
[glibc.git] / nptl / tst-rwlock5.c
blobca95fc0714d39d8f2c53e170c7161304db311e0a
1 /* Copyright (C) 2002-2017 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, see
17 <http://www.gnu.org/licenses/>. */
19 #include <pthread.h>
20 #include <signal.h>
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <unistd.h>
25 static int do_test (void);
27 #define TEST_FUNCTION do_test ()
28 #include "../test-skeleton.c"
30 static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
31 static pthread_rwlock_t r;
34 static void *
35 tf (void *arg)
37 if (pthread_rwlock_wrlock (&r) == 0)
39 puts ("child: rwlock_wrlock succeeded");
40 exit (1);
43 puts ("child: rwlock_wrlock returned");
45 exit (1);
49 static int
50 do_test (void)
52 pthread_t th;
54 if (pthread_rwlock_init (&r, NULL) != 0)
56 puts ("rwlock_init failed");
57 return 1;
60 if (pthread_rwlock_wrlock (&r) != 0)
62 puts ("rwlock_wrlock failed");
63 return 1;
66 if (pthread_mutex_lock (&m) != 0)
68 puts ("mutex_lock failed");
69 return 1;
72 if (pthread_create (&th, NULL, tf, NULL) != 0)
74 puts ("create failed");
75 return 1;
78 delayed_exit (1);
79 /* This call should never return. */
80 xpthread_mutex_lock (&m);
82 puts ("2nd mutex_lock returned");
83 return 1;