1 /* Copyright (C) 2002-2015 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Roland McGrath <roland@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/>. */
28 thread_function (void * arg)
30 int i = (intptr_t) arg;
39 printf ("%ld for %d\n", (long int) getpid (), i);
40 struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 * i };
41 nanosleep (&ts, NULL);
45 printf ("fork: %m\n");
50 pid2 = TEMP_FAILURE_RETRY (waitpid (pid, &status, 0));
53 printf ("waitpid returned %ld, expected %ld\n",
54 (long int) pid2, (long int) pid);
58 printf ("%ld with %d, expected %d\n",
59 (long int) pid, WEXITSTATUS (status), i);
61 return WEXITSTATUS (status) == i ? NULL : (void *) 1l;
65 static const int t[N] = { 7, 6, 5, 4, 3 };
75 if (pthread_attr_init (&at) != 0)
77 puts ("attr_init failed");
81 if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
83 puts ("attr_setstacksize failed");
87 for (i = 0; i < N; ++i)
88 if (pthread_create (&th[i], NULL, thread_function,
89 (void *) (intptr_t) t[i]) != 0)
91 printf ("creation of thread %d failed\n", i);
95 if (pthread_attr_destroy (&at) != 0)
97 puts ("attr_destroy failed");
101 for (i = 0; i < N; ++i)
104 if (pthread_join (th[i], &v) != 0)
106 printf ("join of thread %d failed\n", i);
111 printf ("join %d successful, but child failed\n", i);
115 printf ("join %d successful\n", i);