1 /* Copyright (C) 2003-2015 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, see
17 <http://www.gnu.org/licenses/>. */
29 static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
30 static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
31 static pthread_barrier_t bN1;
32 static pthread_barrier_t b2;
38 if (pthread_mutex_lock (&mut) != 0)
40 puts ("child: 1st mutex_lock failed");
44 int e = pthread_barrier_wait (&b2);
45 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
47 puts ("child: 1st barrier_wait failed");
51 if (pthread_cond_wait (&cond, &mut) != 0)
53 puts ("child: cond_wait failed");
57 if (pthread_mutex_unlock (&mut) != 0)
59 puts ("child: mutex_unlock failed");
63 e = pthread_barrier_wait (&bN1);
64 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
66 puts ("child: 2nd barrier_wait failed");
77 if (pthread_barrier_init (&bN1, NULL, N + 1) != 0)
79 puts ("barrier_init failed");
83 if (pthread_barrier_init (&b2, NULL, 2) != 0)
85 puts ("barrier_init failed");
91 if (pthread_attr_init (&at) != 0)
93 puts ("attr_init failed");
97 if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
99 puts ("attr_setstacksize failed");
104 for (r = 0; r < ROUNDS; ++r)
106 printf ("round %d\n", r + 1);
110 for (i = 0; i < N; ++i)
112 if (pthread_create (&th[i], &at, tf, NULL) != 0)
114 puts ("create failed");
118 int e = pthread_barrier_wait (&b2);
119 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
121 puts ("parent: 1st barrier_wait failed");
126 if (pthread_mutex_lock (&mut) != 0)
128 puts ("parent: mutex_lock failed");
131 if (pthread_mutex_unlock (&mut) != 0)
133 puts ("parent: mutex_unlock failed");
137 /* N single signal calls. Without locking. This tests that no
139 for (i = 0; i < N; ++i)
140 if (pthread_cond_signal (&cond) != 0)
142 puts ("cond_signal failed");
146 int e = pthread_barrier_wait (&bN1);
147 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
149 puts ("parent: 2nd barrier_wait failed");
153 for (i = 0; i < N; ++i)
154 if (pthread_join (th[i], NULL) != 0)
156 puts ("join failed");
161 if (pthread_attr_destroy (&at) != 0)
163 puts ("attr_destroy failed");
171 #define TEST_FUNCTION do_test ()
172 #include "../test-skeleton.c"