.
[glibc/history.git] / nptl / tst-basic2.c
blob1c4632ceb073550d93b8a2fc16f8e883d50be681
1 /* Copyright (C) 2002, 2003, 2004 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>
22 #include <stdint.h>
23 #include <stdlib.h>
24 #include <unistd.h>
27 #define N 20
29 static pthread_t th[N];
30 static pthread_mutex_t lock[N];
33 static void *tf (void *a)
35 uintptr_t idx = (uintptr_t) a;
37 pthread_mutex_lock (&lock[idx]);
39 return pthread_equal (pthread_self (), th[idx]) ? NULL : (void *) 1l;
43 int
44 do_test (void)
46 if (pthread_equal (pthread_self (), pthread_self ()) == 0)
48 puts ("pthread_equal (pthread_self (), pthread_self ()) failed");
49 exit (1);
52 pthread_attr_t at;
54 if (pthread_attr_init (&at) != 0)
56 puts ("attr_init failed");
57 return 1;
60 if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
62 puts ("attr_setstacksize failed");
63 return 1;
66 int i;
67 for (i = 0; i < N; ++i)
69 if (pthread_mutex_init (&lock[i], NULL) != 0)
71 puts ("mutex_init failed");
72 exit (1);
75 if (pthread_mutex_lock (&lock[i]) != 0)
77 puts ("mutex_lock failed");
78 exit (1);
81 if (pthread_create (&th[i], &at, tf, (void *) (long int) i) != 0)
83 puts ("create failed");
84 exit (1);
87 if (pthread_mutex_unlock (&lock[i]) != 0)
89 puts ("mutex_unlock failed");
90 exit (1);
93 printf ("created thread %d\n", i);
96 if (pthread_attr_destroy (&at) != 0)
98 puts ("attr_destroy failed");
99 return 1;
102 int result = 0;
103 for (i = 0; i < N; ++i)
105 void *r;
106 int e;
107 if ((e = pthread_join (th[i], &r)) != 0)
109 printf ("join failed: %d\n", e);
110 _exit (1);
112 else if (r != NULL)
113 result = 1;
116 return 0;
120 #define TEST_FUNCTION do_test ()
121 #include "../test-skeleton.c"