1 /*
2 * Copyright (c) 2015 Cui Bixuan <cuibixuan@huawei.com>
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
7 * the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it would 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 the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #ifndef __SCHED_H__
20 #define __SCHED_H__
21
22 #include "linux_syscall_numbers.h"
23 #include <stdint.h>
24 #include <inttypes.h>
25
26 struct sched_attr {
27 uint32_t size;
28
29 uint32_t sched_policy;
30 uint64_t sched_flags;
31
32 /* SCHED_NORMAL, SCHED_BATCH */
33 int32_t sched_nice;
34
35 /* SCHED_FIFO, SCHED_RR */
36 uint32_t sched_priority;
37
38 /* SCHED_DEADLINE (nsec) */
39 uint64_t sched_runtime;
40 uint64_t sched_deadline;
41 uint64_t sched_period;
42 };
43
sched_setattr(pid_t pid,const struct sched_attr * attr,unsigned int flags)44 int sched_setattr(pid_t pid,
45 const struct sched_attr *attr,
46 unsigned int flags)
47 {
48 return syscall(__NR_sched_setattr, pid, attr, flags);
49 }
50
sched_getattr(pid_t pid,struct sched_attr * attr,unsigned int size,unsigned int flags)51 int sched_getattr(pid_t pid,
52 struct sched_attr *attr,
53 unsigned int size,
54 unsigned int flags)
55 {
56 return syscall(__NR_sched_getattr, pid, attr, size, flags);
57 }
58
59 #ifndef CLONE_VM
60 #define CLONE_VM 0x00000100
61 #endif
62
63 #ifndef CLONE_FS
64 #define CLONE_FS 0x00000200
65 #endif
66
67 #ifndef CLONE_SYSVSEM
68 #define CLONE_SYSVSEM 0x00040000
69 #endif
70
71 #ifndef CLONE_IO
72 #define CLONE_IO 0x80000000
73 #endif
74
75 #endif /* __SCHED_H__ */
76