6090151f12
libthr. No changes were made to libpthread by request of deischen, who will soon commit a real implementation for that library. PR: standards/50848 Submitted by: Sergey A. Osokin <osa@freebsd.org.ru> MFC after: 1 week
61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2003 Sergey Osokin <osa@FreeBSD.org.ru>.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Sergey Osokin.
|
|
* 4. Neither the name of the author nor the names of any co-contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY SERGEY OSOKIN AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <errno.h>
|
|
|
|
static int current_concurrency = 0;
|
|
|
|
__weak_reference(_pthread_getconcurrency, pthread_getconcurrency);
|
|
__weak_reference(_pthread_setconcurrency, pthread_setconcurrency);
|
|
|
|
int
|
|
_pthread_getconcurrency(void)
|
|
{
|
|
return current_concurrency;
|
|
}
|
|
|
|
int
|
|
_pthread_setconcurrency(int new_level)
|
|
{
|
|
int ret;
|
|
|
|
if (new_level < 0) {
|
|
ret = EINVAL;
|
|
} else {
|
|
current_concurrency = new_level;
|
|
ret = 0;
|
|
}
|
|
return (ret);
|
|
}
|