/* Test concurrency level.
Copyright (C) 2000-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
. */
#define _GNU_SOURCE
#include
#include
#include
#include
int
main (int argc, char **argv)
{
int i;
int err;
i = pthread_getconcurrency ();
assert (i == 0);
err = pthread_setconcurrency (-1);
assert (err == EINVAL);
err = pthread_setconcurrency (4);
assert (err == 0);
i = pthread_getconcurrency ();
assert (i == 4);
return 0;
}