1 /* Tests barrier initialization.
2    Copyright (C) 2002-2022 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 
24 static int
do_test(void)25 do_test (void)
26 {
27   pthread_barrier_t b;
28   int e;
29   int cnt;
30 
31   e = pthread_barrier_init (&b, NULL, 0);
32   if (e == 0)
33     {
34       puts ("barrier_init with count 0 succeeded");
35       return 1;
36     }
37   if (e != EINVAL)
38     {
39       puts ("barrier_init with count 0 didn't return EINVAL");
40       return 1;
41     }
42 
43   if (pthread_barrier_init (&b, NULL, 1) != 0)
44     {
45       puts ("real barrier_init failed");
46       return 1;
47     }
48 
49   for (cnt = 0; cnt < 10; ++cnt)
50     {
51       e = pthread_barrier_wait (&b);
52 
53       if (e != PTHREAD_BARRIER_SERIAL_THREAD)
54 	{
55 	  puts ("barrier_wait didn't return PTHREAD_BARRIER_SERIAL_THREAD");
56 	  return 1;
57 	}
58     }
59 
60   if (pthread_barrier_destroy (&b) != 0)
61     {
62       puts ("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