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/*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by John Birrell.
* 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 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 REGENTS 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.
*
* $OpenBSD: uthread_setprio.c,v 1.3 1999/01/17 23:57:16 d Exp $
*/
#include <errno.h>
#ifdef _THREAD_SAFE
#include <pthread.h>
#include <sched.h>
#include "pthread_private.h"
int
pthread_setprio(pthread_t pthread, int prio)
{
int ret;
/* Check if the priority is invalid: */
if (prio < PTHREAD_MIN_PRIORITY || prio > PTHREAD_MAX_PRIORITY)
/* Return an invalid argument error: */
ret = EINVAL;
/* Find the thread in the list of active threads: */
else if ((ret = _find_thread(pthread)) == 0)
/* Set the thread priority: */
pthread->pthread_priority = prio;
/* Return the error status: */
return (ret);
}
int
pthread_getschedparam(thread, policy, param)
pthread_t thread;
int *policy;
struct sched_param *param;
{
int ret = 0;
if ((ret = _find_thread(thread)) == 0) {
if (policy)
*policy = SCHED_RR;
if (param)
param->sched_priority = thread->pthread_priority;
}
return (ret);
}
int
pthread_setschedparam(thread, policy, param)
pthread_t thread;
int policy;
const struct sched_param *param;
{
if (policy == SCHED_RR)
return pthread_setprio(thread, param->sched_priority);
else
return (EINVAL);
}
#endif
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