1/* Tests barrier initialization.
2 Copyright (C) 2002-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
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 <https://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <pthread.h>
21#include <stdio.h>
22
23
24static int
25do_test (void)
26{
27 pthread_barrier_t b;
28 int e;
29 int cnt;
30
31 e = pthread_barrier_init (barrier: &b, NULL, count: 0);
32 if (e == 0)
33 {
34 puts (s: "barrier_init with count 0 succeeded");
35 return 1;
36 }
37 if (e != EINVAL)
38 {
39 puts (s: "barrier_init with count 0 didn't return EINVAL");
40 return 1;
41 }
42
43 if (pthread_barrier_init (barrier: &b, NULL, count: 1) != 0)
44 {
45 puts (s: "real barrier_init failed");
46 return 1;
47 }
48
49 for (cnt = 0; cnt < 10; ++cnt)
50 {
51 e = pthread_barrier_wait (barrier: &b);
52
53 if (e != PTHREAD_BARRIER_SERIAL_THREAD)
54 {
55 puts (s: "barrier_wait didn't return PTHREAD_BARRIER_SERIAL_THREAD");
56 return 1;
57 }
58 }
59
60 if (pthread_barrier_destroy (barrier: &b) != 0)
61 {
62 puts (s: "barrier_destroy failed");
63 return 1;
64 }
65
66 return 0;
67}
68
69#define TEST_FUNCTION do_test ()
70#include "../test-skeleton.c"
71

source code of glibc/sysdeps/pthread/tst-barrier1.c