Xenomai 3.3.2
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sched.h
1/*
2 * Copyright (C) 2009 Philippe Gerum <rpm@xenomai.org>.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18#ifndef _COBALT_POSIX_SCHED_H
19#define _COBALT_POSIX_SCHED_H
20
21#include <linux/list.h>
22#include <cobalt/kernel/sched.h>
23#include <xenomai/posix/syscall.h>
24
25struct cobalt_resources;
26struct cobalt_process;
27
28struct cobalt_sched_group {
29#ifdef CONFIG_XENO_OPT_SCHED_QUOTA
30 struct xnsched_quota_group quota;
31#endif
32 struct cobalt_resources *scope;
33 int pshared;
34 struct list_head next;
35};
36
37int __cobalt_sched_weightprio(int policy,
38 const struct sched_param_ex *param_ex);
39
40int __cobalt_sched_setconfig_np(int cpu, int policy,
41 void __user *u_config,
42 size_t len,
43 union sched_config *(*fetch_config)
44 (int policy, const void __user *u_config,
45 size_t *len),
46 int (*ack_config)(int policy,
47 const union sched_config *config,
48 void __user *u_config));
49
50ssize_t __cobalt_sched_getconfig_np(int cpu, int policy,
51 void __user *u_config,
52 size_t len,
53 union sched_config *(*fetch_config)
54 (int policy, const void __user *u_config,
55 size_t *len),
56 ssize_t (*put_config)(int policy,
57 void __user *u_config, size_t u_len,
58 const union sched_config *config,
59 size_t len));
60int cobalt_sched_setscheduler_ex(pid_t pid,
61 int policy,
62 const struct sched_param_ex *param_ex,
63 __u32 __user *u_winoff,
64 int __user *u_promoted);
65
66int cobalt_sched_getscheduler_ex(pid_t pid,
67 int *policy_r,
68 struct sched_param_ex *param_ex);
69
70struct xnsched_class *
71cobalt_sched_policy_param(union xnsched_policy_param *param,
72 int u_policy, const struct sched_param_ex *param_ex,
73 xnticks_t *tslice_r);
74
75COBALT_SYSCALL_DECL(sched_yield, (void));
76
77COBALT_SYSCALL_DECL(sched_weightprio,
78 (int policy, const struct sched_param_ex __user *u_param));
79
80COBALT_SYSCALL_DECL(sched_minprio, (int policy));
81
82COBALT_SYSCALL_DECL(sched_maxprio, (int policy));
83
84COBALT_SYSCALL_DECL(sched_setconfig_np,
85 (int cpu,
86 int policy,
87 union sched_config __user *u_config,
88 size_t len));
89
90COBALT_SYSCALL_DECL(sched_getconfig_np,
91 (int cpu, int policy,
92 union sched_config __user *u_config,
93 size_t len));
94
95COBALT_SYSCALL_DECL(sched_setscheduler_ex,
96 (pid_t pid,
97 int policy,
98 const struct sched_param_ex __user *u_param,
99 __u32 __user *u_winoff,
100 int __user *u_promoted));
101
102COBALT_SYSCALL_DECL(sched_getscheduler_ex,
103 (pid_t pid,
104 int __user *u_policy,
105 struct sched_param_ex __user *u_param));
106
107void cobalt_sched_reclaim(struct cobalt_process *process);
108
109#endif /* !_COBALT_POSIX_SCHED_H */
int sched_setconfig_np(int cpu, int policy, const union sched_config *config, size_t len)
Set CPU-specific scheduler settings for a policy.
Definition sched.c:557
ssize_t sched_getconfig_np(int cpu, int policy, union sched_config *config, size_t *len_r)
Retrieve CPU-specific scheduler settings for a policy.
Definition sched.c:614
int sched_yield(void))
Yield the processor.
Definition sched.c:52
int sched_setscheduler_ex(pid_t pid, int policy, const struct sched_param_ex *param_ex)
Set extended scheduling policy of a process.
Definition sched.c:283
int sched_getscheduler_ex(pid_t pid, int *policy_r, struct sched_param_ex *param_ex)
Get extended scheduling policy of a process.
Definition sched.c:398