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/* Copyright (C) 2003-2025 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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
int
do_test (void)
{
int c = pthread_getconcurrency ();
if (c != 0)
{
puts ("initial concurrencylevel wrong");
exit (1);
}
if (pthread_setconcurrency (1) != 0)
{
puts ("setconcurrency failed");
exit (1);
}
c = pthread_getconcurrency ();
if (c != 1)
{
puts ("getconcurrency didn't return the value previous set");
exit (1);
}
int e = pthread_setconcurrency (-1);
if (e == 0)
{
puts ("setconcurrency of negative value didn't failed");
exit (1);
}
if (e != EINVAL)
{
puts ("setconcurrency didn't return EINVAL for negative value");
exit (1);
}
c = pthread_getconcurrency ();
if (c != 1)
{
puts ("invalid getconcurrency changed level");
exit (1);
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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