1/* Definitions of constants and data structure for POSIX 1003.1b-1993 
2 scheduling interface. 
3 Copyright (C) 1996-2020 Free Software Foundation, Inc. 
4 This file is part of the GNU C Library. 
5 
6 The GNU C Library is free software; you can redistribute it and/or 
7 modify it under the terms of the GNU Lesser General Public 
8 License as published by the Free Software Foundation; either 
9 version 2.1 of the License, or (at your option) any later version. 
10 
11 The GNU C Library is distributed in the hope that it will be useful, 
12 but WITHOUT ANY WARRANTY; without even the implied warranty of 
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
14 Lesser General Public License for more details. 
15 
16 You should have received a copy of the GNU Lesser General Public 
17 License along with the GNU C Library; if not, see 
18 <https://www.gnu.org/licenses/>. */ 
19 
20#ifndef _BITS_SCHED_H 
21#define _BITS_SCHED_H 1 
22 
23#ifndef _SCHED_H 
24# error "Never include <bits/sched.h> directly; use <sched.h> instead." 
25#endif 
26 
27/* Scheduling algorithms. */ 
28#define SCHED_OTHER 0 
29#define SCHED_FIFO 1 
30#define SCHED_RR 2 
31#ifdef __USE_GNU 
32# define SCHED_BATCH 3 
33# define SCHED_ISO 4 
34# define SCHED_IDLE 5 
35# define SCHED_DEADLINE 6 
36 
37# define SCHED_RESET_ON_FORK 0x40000000 
38#endif 
39 
40#ifdef __USE_GNU 
41/* Cloning flags. */ 
42# define CSIGNAL 0x000000ff /* Signal mask to be sent at exit. */ 
43# define CLONE_VM 0x00000100 /* Set if VM shared between processes. */ 
44# define CLONE_FS 0x00000200 /* Set if fs info shared between processes. */ 
45# define CLONE_FILES 0x00000400 /* Set if open files shared between processes. */ 
46# define CLONE_SIGHAND 0x00000800 /* Set if signal handlers shared. */ 
47# define CLONE_PIDFD 0x00001000 /* Set if a pidfd should be placed 
48 in parent. */ 
49# define CLONE_PTRACE 0x00002000 /* Set if tracing continues on the child. */ 
50# define CLONE_VFORK 0x00004000 /* Set if the parent wants the child to 
51 wake it up on mm_release. */ 
52# define CLONE_PARENT 0x00008000 /* Set if we want to have the same 
53 parent as the cloner. */ 
54# define CLONE_THREAD 0x00010000 /* Set to add to same thread group. */ 
55# define CLONE_NEWNS 0x00020000 /* Set to create new namespace. */ 
56# define CLONE_SYSVSEM 0x00040000 /* Set to shared SVID SEM_UNDO semantics. */ 
57# define CLONE_SETTLS 0x00080000 /* Set TLS info. */ 
58# define CLONE_PARENT_SETTID 0x00100000 /* Store TID in userlevel buffer 
59 before MM copy. */ 
60# define CLONE_CHILD_CLEARTID 0x00200000 /* Register exit futex and memory 
61 location to clear. */ 
62# define CLONE_DETACHED 0x00400000 /* Create clone detached. */ 
63# define CLONE_UNTRACED 0x00800000 /* Set if the tracing process can't 
64 force CLONE_PTRACE on this clone. */ 
65# define CLONE_CHILD_SETTID 0x01000000 /* Store TID in userlevel buffer in 
66 the child. */ 
67# define CLONE_NEWCGROUP 0x02000000 /* New cgroup namespace. */ 
68# define CLONE_NEWUTS 0x04000000 /* New utsname group. */ 
69# define CLONE_NEWIPC 0x08000000 /* New ipcs. */ 
70# define CLONE_NEWUSER 0x10000000 /* New user namespace. */ 
71# define CLONE_NEWPID 0x20000000 /* New pid namespace. */ 
72# define CLONE_NEWNET 0x40000000 /* New network namespace. */ 
73# define CLONE_IO 0x80000000 /* Clone I/O context. */ 
74#endif 
75 
76#include <bits/types/struct_sched_param.h> 
77 
78__BEGIN_DECLS 
79 
80#ifdef __USE_GNU 
81/* Clone current process. */ 
82extern int clone (int (*__fn) (void *__arg), void *__child_stack, 
83 int __flags, void *__arg, ...) __THROW; 
84 
85/* Unshare the specified resources. */ 
86extern int unshare (int __flags) __THROW; 
87 
88/* Get index of currently used CPU. */ 
89extern int sched_getcpu (void) __THROW; 
90 
91/* Get currently used CPU and NUMA node. */ 
92extern int getcpu (unsigned int *, unsigned int *) __THROW; 
93 
94/* Switch process to namespace of type NSTYPE indicated by FD. */ 
95extern int setns (int __fd, int __nstype) __THROW; 
96#endif 
97 
98__END_DECLS 
99 
100#endif /* bits/sched.h */ 
101