8c0d4b5f92
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
/*
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* Copyright (c) 2003 Sergey Osokin <osa@FreeBSD.org.ru>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Sergey Osokin.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY SERGEY OSOKIN AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <errno.h>
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static int current_concurrency = 0;
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__weak_reference(_pthread_getconcurrency, pthread_getconcurrency);
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__weak_reference(_pthread_setconcurrency, pthread_setconcurrency);
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int
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_pthread_getconcurrency(void)
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{
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return current_concurrency;
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}
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int
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_pthread_setconcurrency(int new_level)
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{
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int ret;
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if (new_level < 0) {
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ret = EINVAL;
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} else {
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current_concurrency = new_level;
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ret = 0;
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}
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return (ret);
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}
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