diff options
author | jdp <jdp@FreeBSD.org> | 2003-04-20 01:53:13 +0000 |
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committer | jdp <jdp@FreeBSD.org> | 2003-04-20 01:53:13 +0000 |
commit | 6090151f12c8e22f86ebd5f7730f05eb236aa4ed (patch) | |
tree | 4228adc225ae50b5321485522c03b3f248d198bc /lib/libthr | |
parent | f781b4eab2127109ca56df4056f960a6448fa5e0 (diff) | |
download | FreeBSD-src-6090151f12c8e22f86ebd5f7730f05eb236aa4ed.zip FreeBSD-src-6090151f12c8e22f86ebd5f7730f05eb236aa4ed.tar.gz |
Add stub implementations of pthread_[gs]etconcurrency to libc_r and
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
Diffstat (limited to 'lib/libthr')
-rw-r--r-- | lib/libthr/thread/Makefile.inc | 1 | ||||
-rw-r--r-- | lib/libthr/thread/thr_concurrency.c | 60 |
2 files changed, 61 insertions, 0 deletions
diff --git a/lib/libthr/thread/Makefile.inc b/lib/libthr/thread/Makefile.inc index a8c9177..9c03def 100644 --- a/lib/libthr/thread/Makefile.inc +++ b/lib/libthr/thread/Makefile.inc @@ -8,6 +8,7 @@ SRCS+= \ thr_autoinit.c \ thr_cancel.c \ thr_clean.c \ + thr_concurrency.c \ thr_cond.c \ thr_condattr_destroy.c \ thr_condattr_init.c \ diff --git a/lib/libthr/thread/thr_concurrency.c b/lib/libthr/thread/thr_concurrency.c new file mode 100644 index 0000000..9f2315b --- /dev/null +++ b/lib/libthr/thread/thr_concurrency.c @@ -0,0 +1,60 @@ +/* + * 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); +} |