1#ifndef _SCHED_H
2#define _SCHED_H
3#ifdef __cplusplus
4extern "C" {
5#endif
6
7#include <features.h>
8
9#define __NEED_struct_timespec
10#define __NEED_pid_t
11#define __NEED_time_t
12#define __NEED_sched_param
13
14#ifdef _GNU_SOURCE
15#define __NEED_size_t
16#endif
17
18#include <bits/alltypes.h>
19
20int    sched_get_priority_max(int);
21int    sched_get_priority_min(int);
22int    sched_getparam(pid_t, struct sched_param *);
23int    sched_getscheduler(pid_t);
24int    sched_rr_get_interval(pid_t, struct timespec *);
25int    sched_setparam(pid_t, const struct sched_param *);
26int    sched_setscheduler(pid_t, int, const struct sched_param *);
27int     sched_yield(void);
28
29#define SCHED_OTHER 0
30#define SCHED_FIFO 1
31#define SCHED_RR 2
32#define SCHED_BATCH 3
33#define SCHED_IDLE 5
34#define SCHED_DEADLINE 6
35#define SCHED_RESET_ON_FORK 0x40000000
36
37#ifdef _GNU_SOURCE
38#define CSIGNAL		0x000000ff
39#define CLONE_NEWTIME	0x00000080
40#define CLONE_VM	0x00000100
41#define CLONE_FS	0x00000200
42#define CLONE_FILES	0x00000400
43#define CLONE_SIGHAND	0x00000800
44#define CLONE_PIDFD	0x00001000
45#define CLONE_PTRACE	0x00002000
46#define CLONE_VFORK	0x00004000
47#define CLONE_PARENT	0x00008000
48#define CLONE_THREAD	0x00010000
49#define CLONE_NEWNS	0x00020000
50#define CLONE_SYSVSEM	0x00040000
51#define CLONE_SETTLS	0x00080000
52#define CLONE_PARENT_SETTID	0x00100000
53#define CLONE_CHILD_CLEARTID	0x00200000
54#define CLONE_DETACHED	0x00400000
55#define CLONE_UNTRACED	0x00800000
56#define CLONE_CHILD_SETTID	0x01000000
57#define CLONE_NEWCGROUP	0x02000000
58#define CLONE_NEWUTS	0x04000000
59#define CLONE_NEWIPC	0x08000000
60#define CLONE_NEWUSER	0x10000000
61#define CLONE_NEWPID	0x20000000
62#define CLONE_NEWNET	0x40000000
63#define CLONE_IO	0x80000000
64int clone (int (*)(void *), void *, int, void *, ...);
65int unshare(int);
66int setns(int, int);
67
68void *memcpy(void *__restrict, const void *__restrict, size_t);
69int memcmp(const void *, const void *, size_t);
70void *memset (void *, int, size_t);
71void *calloc(size_t, size_t);
72void free(void *);
73
74typedef struct cpu_set_t { unsigned long __bits[128/sizeof(long)]; } cpu_set_t;
75int __sched_cpucount(size_t, const cpu_set_t *);
76int sched_getcpu(void);
77int sched_getaffinity(pid_t, size_t, cpu_set_t *);
78int sched_setaffinity(pid_t, size_t, const cpu_set_t *);
79
80#define __CPU_op_S(i, size, set, op) ( (i)/8U >= (size) ? 0 : \
81	(((unsigned long *)(set))[(i)/8/sizeof(long)] op (1UL<<((i)%(8*sizeof(long))))) )
82
83#define CPU_SET_S(i, size, set) __CPU_op_S(i, size, set, |=)
84#define CPU_CLR_S(i, size, set) __CPU_op_S(i, size, set, &=~)
85#define CPU_ISSET_S(i, size, set) __CPU_op_S(i, size, set, &)
86
87#define __CPU_op_func_S(func, op) \
88static __inline void __CPU_##func##_S(size_t __size, cpu_set_t *__dest, \
89	const cpu_set_t *__src1, const cpu_set_t *__src2) \
90{ \
91	size_t __i; \
92	for (__i=0; __i<__size/sizeof(long); __i++) \
93		((unsigned long *)__dest)[__i] = ((unsigned long *)__src1)[__i] \
94			op ((unsigned long *)__src2)[__i] ; \
95}
96
97__CPU_op_func_S(AND, &)
98__CPU_op_func_S(OR, |)
99__CPU_op_func_S(XOR, ^)
100
101#define CPU_AND_S(a,b,c,d) __CPU_AND_S(a,b,c,d)
102#define CPU_OR_S(a,b,c,d) __CPU_OR_S(a,b,c,d)
103#define CPU_XOR_S(a,b,c,d) __CPU_XOR_S(a,b,c,d)
104
105#define CPU_COUNT_S(size,set) __sched_cpucount(size,set)
106#define CPU_ZERO_S(size,set) memset(set,0,size)
107#define CPU_EQUAL_S(size,set1,set2) (!memcmp(set1,set2,size))
108
109#define CPU_ALLOC_SIZE(n) (sizeof(long) * ( (n)/(8*sizeof(long)) \
110	+ ((n)%(8*sizeof(long)) + 8*sizeof(long)-1)/(8*sizeof(long)) ) )
111#define CPU_ALLOC(n) ((cpu_set_t *)calloc(1,CPU_ALLOC_SIZE(n)))
112#define CPU_FREE(set) free(set)
113
114#define CPU_SETSIZE 128
115
116#define CPU_SET(i, set) CPU_SET_S(i,sizeof(cpu_set_t),set)
117#define CPU_CLR(i, set) CPU_CLR_S(i,sizeof(cpu_set_t),set)
118#define CPU_ISSET(i, set) CPU_ISSET_S(i,sizeof(cpu_set_t),set)
119#define CPU_AND(d,s1,s2) CPU_AND_S(sizeof(cpu_set_t),d,s1,s2)
120#define CPU_OR(d,s1,s2) CPU_OR_S(sizeof(cpu_set_t),d,s1,s2)
121#define CPU_XOR(d,s1,s2) CPU_XOR_S(sizeof(cpu_set_t),d,s1,s2)
122#define CPU_COUNT(set) CPU_COUNT_S(sizeof(cpu_set_t),set)
123#define CPU_ZERO(set) CPU_ZERO_S(sizeof(cpu_set_t),set)
124#define CPU_EQUAL(s1,s2) CPU_EQUAL_S(sizeof(cpu_set_t),s1,s2)
125
126#endif
127
128#if _REDIR_TIME64
129__REDIR(sched_rr_get_interval, __sched_rr_get_interval_time64);
130#endif
131
132#ifdef __cplusplus
133}
134#endif
135#endif
136