Deleted Added
full compact
thr_getschedparam.c (144518) thr_getschedparam.c (157457)
1/*
2 * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>.
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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Daniel Eischen.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
1/*
2 * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>.
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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Daniel Eischen.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: head/lib/libthr/thread/thr_getschedparam.c 144518 2005-04-02 01:20:00Z davidxu $
32 * $FreeBSD: head/lib/libthr/thread/thr_getschedparam.c 157457 2006-04-04 02:57:49Z davidxu $
33 */
34
33 */
34
35#include "namespace.h"
35#include <errno.h>
36#include <pthread.h>
36#include <errno.h>
37#include <pthread.h>
38#include "un-namespace.h"
37
38#include "thr_private.h"
39
40__weak_reference(_pthread_getschedparam, pthread_getschedparam);
41
42int
43_pthread_getschedparam(pthread_t pthread, int *policy,
44 struct sched_param *param)
45{
46 struct pthread *curthread = _get_curthread();
47 int ret, tmp;
48
49 if ((param == NULL) || (policy == NULL))
50 /* Return an invalid argument error: */
51 ret = EINVAL;
52 else if (pthread == curthread) {
53 /*
54 * Avoid searching the thread list when it is the current
55 * thread.
56 */
57 THR_THREAD_LOCK(curthread, curthread);
58 param->sched_priority =
59 THR_BASE_PRIORITY(pthread->base_priority);
60 tmp = pthread->attr.sched_policy;
61 THR_THREAD_UNLOCK(curthread, curthread);
62 *policy = tmp;
63 ret = 0;
64 }
65 /* Find the thread in the list of active threads. */
66 else if ((ret = _thr_ref_add(curthread, pthread, /*include dead*/0))
67 == 0) {
68 THR_THREAD_LOCK(curthread, pthread);
69 param->sched_priority =
70 THR_BASE_PRIORITY(pthread->base_priority);
71 tmp = pthread->attr.sched_policy;
72 THR_THREAD_UNLOCK(curthread, pthread);
73 _thr_ref_delete(curthread, pthread);
74 *policy = tmp;
75 }
76 return (ret);
77}
39
40#include "thr_private.h"
41
42__weak_reference(_pthread_getschedparam, pthread_getschedparam);
43
44int
45_pthread_getschedparam(pthread_t pthread, int *policy,
46 struct sched_param *param)
47{
48 struct pthread *curthread = _get_curthread();
49 int ret, tmp;
50
51 if ((param == NULL) || (policy == NULL))
52 /* Return an invalid argument error: */
53 ret = EINVAL;
54 else if (pthread == curthread) {
55 /*
56 * Avoid searching the thread list when it is the current
57 * thread.
58 */
59 THR_THREAD_LOCK(curthread, curthread);
60 param->sched_priority =
61 THR_BASE_PRIORITY(pthread->base_priority);
62 tmp = pthread->attr.sched_policy;
63 THR_THREAD_UNLOCK(curthread, curthread);
64 *policy = tmp;
65 ret = 0;
66 }
67 /* Find the thread in the list of active threads. */
68 else if ((ret = _thr_ref_add(curthread, pthread, /*include dead*/0))
69 == 0) {
70 THR_THREAD_LOCK(curthread, pthread);
71 param->sched_priority =
72 THR_BASE_PRIORITY(pthread->base_priority);
73 tmp = pthread->attr.sched_policy;
74 THR_THREAD_UNLOCK(curthread, pthread);
75 _thr_ref_delete(curthread, pthread);
76 *policy = tmp;
77 }
78 return (ret);
79}