mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 13:00:06 +00:00
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
|
/* Test concurrency level.
|
||
|
|
Copyright (C) 2000-2018 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 Library General Public License as
|
||
|
|
published by the Free Software Foundation; either version 2 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
|
||
|
|
Library General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Library General Public
|
||
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
||
|
|
not, see <http://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
#define _GNU_SOURCE
|
||
|
|
|
||
|
|
#include <pthread.h>
|
||
|
|
#include <assert.h>
|
||
|
|
#include <error.h>
|
||
|
|
#include <errno.h>
|
||
|
|
|
||
|
|
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;
|
||
|
|
}
|