Handle invalid buffer pointers when count is zero.
[glibc/history.git] / nptl / tst-key4.c
blob0a5b448e5044b050bf5efe548b66a1f65ad90c96
1 /* Copyright (C) 2003, 2004 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, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <limits.h>
21 #include <pthread.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <unistd.h>
27 #ifdef PTHREAD_KEYS_MAX
28 const int max = PTHREAD_KEYS_MAX;
29 #else
30 const int max = _POSIX_THREAD_KEYS_MAX;
31 #endif
32 static pthread_key_t *keys;
35 static void *
36 tf1 (void *arg)
38 int i;
39 for (i = 0; i < max; ++i)
40 if (pthread_setspecific (keys[i], (void *) (long int) (i + 1)) != 0)
42 puts ("setspecific failed");
43 exit (1);
46 return NULL;
50 static void *
51 tf2 (void *arg)
53 int i;
54 for (i = 0; i < max; ++i)
55 if (pthread_getspecific (keys[i]) != NULL)
57 printf ("getspecific for key %d not NULL\n", i);
58 exit (1);
61 return NULL;
65 static int
66 do_test (void)
68 keys = alloca (max * sizeof (pthread_key_t));
70 int i;
71 for (i = 0; i < max; ++i)
72 if (pthread_key_create (&keys[i], NULL) != 0)
74 puts ("key_create failed");
75 exit (1);
78 pthread_attr_t a;
80 if (pthread_attr_init (&a) != 0)
82 puts ("attr_init failed");
83 exit (1);
86 if (pthread_attr_setstacksize (&a, 1 * 1024 * 1024) != 0)
88 puts ("attr_setstacksize failed");
89 return 1;
92 for (i = 0; i < 10; ++i)
94 int j;
95 #define N 2
96 pthread_t th[N];
97 for (j = 0; j < N; ++j)
98 if (pthread_create (&th[j], NULL, tf1, NULL) != 0)
100 puts ("1st create failed");
101 exit (1);
104 for (j = 0; j < N; ++j)
105 if (pthread_join (th[j], NULL) != 0)
107 puts ("1st join failed");
108 exit (1);
111 for (j = 0; j < N; ++j)
112 if (pthread_create (&th[j], NULL, tf2, NULL) != 0)
114 puts ("2nd create failed");
115 exit (1);
118 for (j = 0; j < N; ++j)
119 if (pthread_join (th[j], NULL) != 0)
121 puts ("2nd join failed");
122 exit (1);
126 if (pthread_attr_destroy (&a) != 0)
128 puts ("attr_destroy failed");
129 exit (1);
132 return 0;
136 #define TEST_FUNCTION do_test ()
137 #include "../test-skeleton.c"