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/>. */
25 #include <sys/syscall.h>
30 struct timespec ts = { .tv_sec = 0, .tv_nsec = 200000000 }; \
31 while (syscall (__NR_nanosleep, &ts, &ts) < 0) \
37 static pthread_barrier_t b;
45 int e = pthread_barrier_wait (&b);
46 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
48 printf ("%s: barrier_wait failed\n", __func__);
55 pthread_join ((pthread_t) arg, NULL);
65 int e = pthread_barrier_wait (&b);
66 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
68 printf ("%s: barrier_wait failed\n", __func__);
74 pthread_join ((pthread_t) arg, NULL);
84 if (pthread_barrier_init (&b, NULL, 2) != 0)
86 puts ("barrier_init failed");
93 int err = pthread_join (pthread_self (), NULL);
96 puts ("1st circular join succeeded");
101 printf ("1st circular join %d, not EDEADLK\n", err);
105 if (pthread_create (&th, NULL, tf1, (void *) pthread_self ()) != 0)
107 puts ("1st create failed");
111 #ifndef WAIT_IN_CHILD
115 if (pthread_cancel (th) != 0)
117 puts ("cannot cancel 1st thread");
122 int e = pthread_barrier_wait (&b);
123 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
125 printf ("%s: barrier_wait failed\n", __func__);
131 err = pthread_join (th, &r);
134 printf ("cannot join 1st thread: %d\n", err);
137 if (r != PTHREAD_CANCELED)
139 puts ("1st thread not canceled");
143 err = pthread_join (pthread_self (), NULL);
146 puts ("2nd circular join succeeded");
151 printf ("2nd circular join %d, not EDEADLK\n", err);
155 if (pthread_create (&th, NULL, tf2, (void *) pthread_self ()) != 0)
157 puts ("2nd create failed");
161 #ifndef WAIT_IN_CHILD
165 if (pthread_cancel (th) != 0)
167 puts ("cannot cancel 2nd thread");
172 e = pthread_barrier_wait (&b);
173 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
175 printf ("%s: barrier_wait failed\n", __func__);
180 if (pthread_join (th, &r) != 0)
182 puts ("cannot join 2nd thread");
185 if (r != PTHREAD_CANCELED)
187 puts ("2nd thread not canceled");
191 err = pthread_join (pthread_self (), NULL);
194 puts ("3rd circular join succeeded");
199 printf ("3rd circular join %d, not EDEADLK\n", err);
206 #define TEST_FUNCTION do_test ()
207 #include "../test-skeleton.c"