1 /* Copyright (C) 2002, 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, see
17 <http://www.gnu.org/licenses/>. */
25 # define INIT PTHREAD_MUTEX_INITIALIZER
29 static pthread_mutex_t lock = INIT;
39 int nr = (long int) arg;
41 struct timespec ts = { .tv_sec = 0, .tv_nsec = 11000 };
43 for (cnt = 0; cnt < ROUNDS; ++cnt)
45 if (pthread_mutex_lock (&lock) != 0)
47 printf ("thread %d: failed to get the lock\n", nr);
51 if (pthread_mutex_unlock (&lock) != 0)
53 printf ("thread %d: failed to release the lock\n", nr);
57 nanosleep (&ts, NULL);
71 if (pthread_attr_init (&at) != 0)
73 puts ("attr_init failed");
77 if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
79 puts ("attr_setstacksize failed");
83 if (pthread_mutex_lock (&lock) != 0)
85 puts ("locking in parent failed");
89 for (cnt = 0; cnt < N; ++cnt)
90 if (pthread_create (&th[cnt], &at, tf, (void *) (long int) cnt) != 0)
92 printf ("creating thread %d failed\n", cnt);
96 if (pthread_attr_destroy (&at) != 0)
98 puts ("attr_destroy failed");
102 if (pthread_mutex_unlock (&lock) != 0)
104 puts ("unlocking in parent failed");
108 for (cnt = 0; cnt < N; ++cnt)
109 if (pthread_join (th[cnt], NULL) != 0)
111 printf ("joining thread %d failed\n", cnt);
119 #define TEST_FUNCTION do_test ()
120 #include "../test-skeleton.c"