Handle invalid buffer pointers when count is zero.
[glibc/history.git] / nptl / tst-tsd5.c
blob8793e339a4b0fe27dae2b2a5c1e8918be32cc763
1 /* Copyright (C) 2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
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>
22 #include <stdlib.h>
25 static pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
28 static void
29 cl (void *p)
31 pthread_mutex_unlock (&m);
35 static void *
36 tf (void *arg)
38 if (pthread_mutex_lock (&m) != 0)
40 puts ("2nd mutex_lock failed");
41 exit (1);
44 exit (0);
48 static int
49 do_test (void)
51 pthread_key_t k;
52 if (pthread_key_create (&k, cl) != 0)
54 puts ("key_create failed");
55 return 1;
57 if (pthread_setspecific (k, (void *) 1) != 0)
59 puts ("setspecific failed");
60 return 1;
63 if (pthread_mutex_lock (&m) != 0)
65 puts ("1st mutex_lock failed");
66 return 1;
69 pthread_t th;
70 if (pthread_create (&th, NULL, tf, NULL) != 0)
72 puts ("create failed");
73 return 1;
76 pthread_exit (NULL);
80 #define TEST_FUNCTION do_test ()
81 #include "../test-skeleton.c"