1df57947fSPedro F. Giffuni /*-
2df57947fSPedro F. Giffuni * SPDX-License-Identifier: BSD-4-Clause
3df57947fSPedro F. Giffuni *
4a091d823SDavid Xu * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>.
5a091d823SDavid Xu * All rights reserved.
6a091d823SDavid Xu *
7a091d823SDavid Xu * Redistribution and use in source and binary forms, with or without
8a091d823SDavid Xu * modification, are permitted provided that the following conditions
9a091d823SDavid Xu * are met:
10a091d823SDavid Xu * 1. Redistributions of source code must retain the above copyright
11a091d823SDavid Xu * notice, this list of conditions and the following disclaimer.
12a091d823SDavid Xu * 2. Redistributions in binary form must reproduce the above copyright
13a091d823SDavid Xu * notice, this list of conditions and the following disclaimer in the
14a091d823SDavid Xu * documentation and/or other materials provided with the distribution.
15a091d823SDavid Xu * 3. All advertising materials mentioning features or use of this software
16a091d823SDavid Xu * must display the following acknowledgement:
17a091d823SDavid Xu * This product includes software developed by Daniel Eischen.
18a091d823SDavid Xu * 4. Neither the name of the author nor the names of any co-contributors
19a091d823SDavid Xu * may be used to endorse or promote products derived from this software
20a091d823SDavid Xu * without specific prior written permission.
21a091d823SDavid Xu *
22a091d823SDavid Xu * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND
23a091d823SDavid Xu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24a091d823SDavid Xu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25a091d823SDavid Xu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26a091d823SDavid Xu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27a091d823SDavid Xu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28a091d823SDavid Xu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29a091d823SDavid Xu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30a091d823SDavid Xu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31a091d823SDavid Xu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32a091d823SDavid Xu * SUCH DAMAGE.
33a091d823SDavid Xu */
34a091d823SDavid Xu
3537a6356bSDavid Xu #include "namespace.h"
36e6747c7cSDavid Xu #include <sys/types.h>
37e6747c7cSDavid Xu #include <sys/rtprio.h>
38a091d823SDavid Xu #include <errno.h>
39a091d823SDavid Xu #include <pthread.h>
4037a6356bSDavid Xu #include "un-namespace.h"
41a091d823SDavid Xu
42a091d823SDavid Xu #include "thr_private.h"
43a091d823SDavid Xu
44a091d823SDavid Xu __weak_reference(_pthread_getschedparam, pthread_getschedparam);
45a091d823SDavid Xu
46a091d823SDavid Xu int
_pthread_getschedparam(pthread_t pthread,int * __restrict policy,struct sched_param * __restrict param)47*b6413b6dSPedro F. Giffuni _pthread_getschedparam(pthread_t pthread, int * __restrict policy,
48*b6413b6dSPedro F. Giffuni struct sched_param * __restrict param)
49a091d823SDavid Xu {
50a091d823SDavid Xu struct pthread *curthread = _get_curthread();
515674256cSDavid Xu int ret = 0;
52a091d823SDavid Xu
537b4f8f03SDavid Xu if (policy == NULL || param == NULL)
547b4f8f03SDavid Xu return (EINVAL);
557b4f8f03SDavid Xu
56a091d823SDavid Xu /*
57a091d823SDavid Xu * Avoid searching the thread list when it is the current
58a091d823SDavid Xu * thread.
59a091d823SDavid Xu */
60340e384dSDavid Xu if (pthread == curthread)
617b4f8f03SDavid Xu THR_LOCK(curthread);
62340e384dSDavid Xu else if ((ret = _thr_find_thread(curthread, pthread, /*include dead*/0)))
63340e384dSDavid Xu return (ret);
64e2dc286cSDavid Xu *policy = pthread->attr.sched_policy;
65e2dc286cSDavid Xu param->sched_priority = pthread->attr.prio;
66a091d823SDavid Xu THR_THREAD_UNLOCK(curthread, pthread);
67a091d823SDavid Xu return (ret);
68a091d823SDavid Xu }
69