1 /* Copyright (C) 2004-2018 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, see
17 <http://www.gnu.org/licenses/>. */
28 static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
29 static pthread_mutex_t mut = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
30 static pthread_mutex_t mut2 = PTHREAD_MUTEX_INITIALIZER;
35 if (pthread_mutex_lock (&mut) != 0)
37 printf ("%s: 1st mutex_lock failed\n", __func__);
40 if (pthread_mutex_lock (&mut) != 0)
42 printf ("%s: 2nd mutex_lock failed\n", __func__);
45 if (pthread_mutex_lock (&mut) != 0)
47 printf ("%s: 3rd mutex_lock failed\n", __func__);
51 if (pthread_mutex_unlock (&mut2) != 0)
53 printf ("%s: mutex_unlock failed\n", __func__);
58 gettimeofday (&tv, NULL);
60 TIMEVAL_TO_TIMESPEC (&tv, &ts);
61 ts.tv_sec += p == NULL ? 100 : 1;
63 int err = pthread_cond_timedwait (&cond, &mut, &ts);
64 if ((err != 0 && p == NULL) || (err != ETIMEDOUT && p != NULL))
66 printf ("%s: cond_wait failed\n", __func__);
70 if (pthread_mutex_unlock (&mut) != 0)
72 printf ("%s: 1st mutex_unlock failed\n", __func__);
75 if (pthread_mutex_unlock (&mut) != 0)
77 printf ("%s: 2nd mutex_unlock failed\n", __func__);
80 if (pthread_mutex_unlock (&mut) != 0)
82 printf ("%s: 3rd mutex_unlock failed\n", __func__);
95 if (pthread_mutex_lock (&mut2) != 0)
97 puts ("1st mutex_lock failed");
101 puts ("parent: create 1st child");
104 int err = pthread_create (&th, NULL, tf, NULL);
107 printf ("parent: cannot 1st create thread: %s\n", strerror (err));
111 /* We have to synchronize with the child. */
112 if (pthread_mutex_lock (&mut2) != 0)
114 puts ("2nd mutex_lock failed");
118 /* Give the child to reach to pthread_cond_wait. */
121 if (pthread_cond_signal (&cond) != 0)
123 puts ("cond_signal failed");
127 err = pthread_join (th, NULL);
130 printf ("parent: failed to join: %s\n", strerror (err));
135 puts ("parent: create 2nd child");
137 err = pthread_create (&th, NULL, tf, (void *) 1l);
140 printf ("parent: cannot 2nd create thread: %s\n", strerror (err));
144 err = pthread_join (th, NULL);
147 printf ("parent: failed to join: %s\n", strerror (err));
157 #define TEST_FUNCTION do_test ()
158 #include "../test-skeleton.c"