diff options
Diffstat (limited to 'lib/libpthread/thread/thr_yield.c')
-rw-r--r-- | lib/libpthread/thread/thr_yield.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/lib/libpthread/thread/thr_yield.c b/lib/libpthread/thread/thr_yield.c deleted file mode 100644 index 7665ac6..0000000 --- a/lib/libpthread/thread/thr_yield.c +++ /dev/null @@ -1,75 +0,0 @@ -/* - * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. - * 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. 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 JOHN BIRRELL 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 <pthread.h> -#include "thr_private.h" - -LT10_COMPAT_PRIVATE(_sched_yield); -LT10_COMPAT_DEFAULT(sched_yield); -LT10_COMPAT_PRIVATE(_pthread_yield); -LT10_COMPAT_DEFAULT(pthread_yield); - -__weak_reference(_sched_yield, sched_yield); -__weak_reference(_pthread_yield, pthread_yield); - -int -_sched_yield(void) -{ - struct pthread *curthread = _get_curthread(); - - if (curthread->attr.flags & PTHREAD_SCOPE_SYSTEM) - return (__sys_sched_yield()); - - /* Reset the accumulated time slice value for the current thread: */ - curthread->slice_usec = -1; - - /* Schedule the next thread: */ - _thr_sched_switch(curthread); - /* Always return no error. */ - return(0); -} - -/* Draft 4 yield */ -void -_pthread_yield(void) -{ - struct pthread *curthread = _get_curthread(); - - if (curthread->attr.flags & PTHREAD_SCOPE_SYSTEM) { - __sys_sched_yield(); - return; - } - - /* Reset the accumulated time slice value for the current thread: */ - curthread->slice_usec = -1; - - /* Schedule the next thread: */ - _thr_sched_switch(curthread); -} |