* elf/rtld.c (dl_main): Don't call init_tls more than once.
[glibc.git] / nptl / tst-mutex6.c
blobde64bdb43566819fa46d42d3cc6dc581c928edac
1 /* Copyright (C) 2002, 2006 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 <signal.h>
22 #include <stdio.h>
23 #include <unistd.h>
24 #include <errno.h>
27 #ifndef ATTR
28 # define ATTR NULL
29 #endif
32 static int
33 do_test (void)
35 pthread_mutex_t m;
37 int e = pthread_mutex_init (&m, ATTR);
38 if (ATTR != NULL && e == ENOTSUP)
40 puts ("cannot support selected type of mutexes");
41 e = pthread_mutex_init (&m, NULL);
43 if (e != 0)
45 puts ("mutex_init failed");
46 return 1;
49 if (ATTR != NULL && pthread_mutexattr_destroy (ATTR) != 0)
51 puts ("mutexattr_destroy failed");
52 return 1;
55 if (pthread_mutex_lock (&m) != 0)
57 puts ("1st mutex_lock failed");
58 return 1;
61 /* Set an alarm for 1 second. The wrapper will expect this. */
62 alarm (1);
64 /* This call should never return. */
65 pthread_mutex_lock (&m);
67 puts ("2nd mutex_lock returned");
68 return 1;
71 #define EXPECTED_SIGNAL SIGALRM
72 #ifndef TEST_FUNCTION
73 # define TEST_FUNCTION do_test ()
74 #endif
75 #include "../test-skeleton.c"