mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-15 10:17:20 +00:00
83 lines
2.8 KiB
C
83 lines
2.8 KiB
C
/*
|
|
* 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 "namespace.h"
|
|
#include <pthread.h>
|
|
#include "un-namespace.h"
|
|
|
|
#include "thr_private.h"
|
|
|
|
__weak_reference(_pthread_setprio, pthread_setprio);
|
|
|
|
int
|
|
_pthread_setprio(pthread_t pthread, int prio)
|
|
{
|
|
struct pthread *curthread = _get_curthread();
|
|
struct sched_param param;
|
|
int ret;
|
|
|
|
param.sched_priority = prio;
|
|
if (pthread == curthread) {
|
|
THR_LOCK(curthread);
|
|
if (curthread->attr.sched_policy == SCHED_OTHER ||
|
|
curthread->attr.prio == prio) {
|
|
curthread->attr.prio = prio;
|
|
ret = 0;
|
|
} else {
|
|
ret = _thr_setscheduler(curthread->tid,
|
|
curthread->attr.sched_policy, ¶m);
|
|
if (ret == -1)
|
|
ret = errno;
|
|
else
|
|
curthread->attr.prio = prio;
|
|
}
|
|
THR_UNLOCK(curthread);
|
|
} else if ((ret = _thr_ref_add(curthread, pthread, /*include dead*/0))
|
|
== 0) {
|
|
THR_THREAD_LOCK(curthread, pthread);
|
|
if (pthread->attr.sched_policy == SCHED_OTHER ||
|
|
pthread->attr.prio == prio) {
|
|
pthread->attr.prio = prio;
|
|
ret = 0;
|
|
} else {
|
|
ret = _thr_setscheduler(pthread->tid,
|
|
curthread->attr.sched_policy, ¶m);
|
|
if (ret == -1)
|
|
ret = errno;
|
|
else
|
|
pthread->attr.prio = prio;
|
|
}
|
|
THR_THREAD_UNLOCK(curthread, pthread);
|
|
_thr_ref_delete(curthread, pthread);
|
|
}
|
|
return (ret);
|
|
}
|