1 /* Copyright (C) 2003-2022 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
4    The GNU C Library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the License, or (at your option) any later version.
8 
9    The GNU C Library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, see
16    <https://www.gnu.org/licenses/>.  */
17 
18 #include <errno.h>
19 #include <pthread.h>
20 #include <stdio.h>
21 #include <stdlib.h>
22 
23 
24 
25 int
do_test(void)26 do_test (void)
27 {
28   int c = pthread_getconcurrency ();
29   if (c != 0)
30     {
31       puts ("initial concurrencylevel wrong");
32       exit (1);
33     }
34 
35   if (pthread_setconcurrency (1) != 0)
36     {
37       puts ("setconcurrency failed");
38       exit (1);
39     }
40 
41   c = pthread_getconcurrency ();
42   if (c != 1)
43     {
44       puts ("getconcurrency didn't return the value previous set");
45       exit (1);
46     }
47 
48   int e = pthread_setconcurrency (-1);
49   if (e == 0)
50     {
51       puts ("setconcurrency of negative value didn't failed");
52       exit (1);
53     }
54   if (e != EINVAL)
55     {
56       puts ("setconcurrency didn't return EINVAL for negative value");
57       exit (1);
58     }
59 
60   c = pthread_getconcurrency ();
61   if (c != 1)
62     {
63       puts ("invalid getconcurrency changed level");
64       exit (1);
65     }
66 
67   return 0;
68 }
69 
70 
71 #define TEST_FUNCTION do_test ()
72 #include "../test-skeleton.c"
73