diff options
Diffstat (limited to 'lib/libpthread/uthread/uthread_concurrency.c')
| -rw-r--r-- | lib/libpthread/uthread/uthread_concurrency.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/lib/libpthread/uthread/uthread_concurrency.c b/lib/libpthread/uthread/uthread_concurrency.c new file mode 100644 index 00000000000..a82e976ab4a --- /dev/null +++ b/lib/libpthread/uthread/uthread_concurrency.c @@ -0,0 +1,63 @@ +/* $OpenBSD: uthread_concurrency.c,v 1.1 2003/12/23 22:37:03 brad Exp $ */ + +/* + * 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: src/lib/libc_r/uthread/uthread_concurrency.c,v 1.1 2003/04/20 01:53:12 jdp Exp $ + */ + +#include <errno.h> +#ifdef _THREAD_SAFE +#include <pthread.h> +#include "pthread_private.h" + +static int current_concurrency = 0; + +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); +} +#endif |