glibc/nptl/tst-sysconf.c

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/* Copyright (C) 2002-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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
<http://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <stdio.h>
#include <unistd.h>
static int
do_test (void)
{
puts ("We expect no limits");
/* We have no fixed limit on the number of threads. Make sure the
headers tell the right story. */
#ifdef PTHREAD_THREADS_MAX
printf ("Header report maximum number of threads = %lu\n",
(unsigned long int) PTHREAD_THREADS_MAX);
return 1;
#else
long int r = sysconf (_SC_THREAD_THREADS_MAX);
if (r != -1)
{
printf ("sysconf(_SC_THREAD_THREADS_MAX) return %ld\n", r);
return 1;
}
#endif
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"