1/*
2 * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
| 1/*
2 * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
|
32#include "namespace.h"
33#include <pthread.h>
34#include "un-namespace.h"
35
36#include "thr_private.h"
37
38__weak_reference(_pthread_setprio, pthread_setprio);
39
40int
41_pthread_setprio(pthread_t pthread, int prio)
42{
43 struct pthread *curthread = _get_curthread();
44 struct sched_param param;
45 int ret;
46
47 param.sched_priority = prio;
48 if (pthread == curthread)
49 THR_LOCK(curthread);
50 else if ((ret = _thr_find_thread(curthread, pthread, /*include dead*/0)))
51 return (ret);
52 if (pthread->attr.sched_policy == SCHED_OTHER ||
53 pthread->attr.prio == prio) {
54 pthread->attr.prio = prio;
55 ret = 0;
56 } else {
57 ret = _thr_setscheduler(pthread->tid,
58 pthread->attr.sched_policy, ¶m);
59 if (ret == -1)
60 ret = errno;
61 else
62 pthread->attr.prio = prio;
63 }
64 THR_THREAD_UNLOCK(curthread, pthread);
65 return (ret);
66}
| 33#include "namespace.h"
34#include <pthread.h>
35#include "un-namespace.h"
36
37#include "thr_private.h"
38
39__weak_reference(_pthread_setprio, pthread_setprio);
40
41int
42_pthread_setprio(pthread_t pthread, int prio)
43{
44 struct pthread *curthread = _get_curthread();
45 struct sched_param param;
46 int ret;
47
48 param.sched_priority = prio;
49 if (pthread == curthread)
50 THR_LOCK(curthread);
51 else if ((ret = _thr_find_thread(curthread, pthread, /*include dead*/0)))
52 return (ret);
53 if (pthread->attr.sched_policy == SCHED_OTHER ||
54 pthread->attr.prio == prio) {
55 pthread->attr.prio = prio;
56 ret = 0;
57 } else {
58 ret = _thr_setscheduler(pthread->tid,
59 pthread->attr.sched_policy, ¶m);
60 if (ret == -1)
61 ret = errno;
62 else
63 pthread->attr.prio = prio;
64 }
65 THR_THREAD_UNLOCK(curthread, pthread);
66 return (ret);
67}
|