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
13#ifdef _GNU_SOURCE
14#define __NEED_size_t
15#endif
16
17#include <bits/alltypes.h>
18
19struct sched_param {
20    union {
21        int sched_priority;
22        int sched_runtime;
23    };
24    int sched_deadline;
25    int sched_period;
26};
27
28int    sched_get_priority_max(int);
29int    sched_get_priority_min(int);
30int    sched_getparam(pid_t, struct sched_param *);
31int    sched_getscheduler(pid_t);
32int    sched_rr_get_interval(pid_t, struct timespec *);
33int    sched_setparam(pid_t, const struct sched_param *);
34int    sched_setscheduler(pid_t, int, const struct sched_param *);
35int     sched_yield(void);
36
37#define SCHED_OTHER 0
38#define SCHED_FIFO 1
39#define SCHED_RR 2
40#define SCHED_BATCH 3
41#define SCHED_IDLE 5
42#define SCHED_DEADLINE 6
43#define SCHED_RESET_ON_FORK 0x40000000
44
45#ifdef _GNU_SOURCE
46#define CSIGNAL		0x000000ff
47#define CLONE_NEWTIME	0x00000080
48#define CLONE_VM	0x00000100
49#define CLONE_FS	0x00000200
50#define CLONE_FILES	0x00000400
51#define CLONE_SIGHAND	0x00000800
52#define CLONE_PIDFD	0x00001000
53#define CLONE_PTRACE	0x00002000
54#define CLONE_VFORK	0x00004000
55#define CLONE_PARENT	0x00008000
56#define CLONE_THREAD	0x00010000
57#define CLONE_NEWNS	0x00020000
58#define CLONE_SYSVSEM	0x00040000
59#define CLONE_SETTLS	0x00080000
60#define CLONE_PARENT_SETTID	0x00100000
61#define CLONE_CHILD_CLEARTID	0x00200000
62#define CLONE_DETACHED	0x00400000
63#define CLONE_UNTRACED	0x00800000
64#define CLONE_CHILD_SETTID	0x01000000
65#define CLONE_NEWCGROUP	0x02000000
66#define CLONE_NEWUTS	0x04000000
67#define CLONE_NEWIPC	0x08000000
68#define CLONE_NEWUSER	0x10000000
69#define CLONE_NEWPID	0x20000000
70#define CLONE_NEWNET	0x40000000
71#define CLONE_IO	0x80000000
72int clone (int (*)(void *), void *, int, void *, ...);
73int unshare(int);
74int setns(int, int);
75
76void *memcpy(void *__restrict, const void *__restrict, size_t);
77int memcmp(const void *, const void *, size_t);
78void *memset (void *, int, size_t);
79void *calloc(size_t, size_t);
80void free(void *);
81
82typedef struct cpu_set_t { unsigned long __bits[128/sizeof(long)]; } cpu_set_t;
83int __sched_cpucount(size_t, const cpu_set_t *);
84int sched_getcpu(void);
85int sched_getaffinity(pid_t, size_t, cpu_set_t *);
86int sched_setaffinity(pid_t, size_t, const cpu_set_t *);
87
88#define __CPU_op_S(i, size, set, op) ( (i)/8U >= (size) ? 0 : \
89	(((unsigned long *)(set))[(i)/8/sizeof(long)] op (1UL<<((i)%(8*sizeof(long))))) )
90
91#define CPU_SET_S(i, size, set) __CPU_op_S(i, size, set, |=)
92#define CPU_CLR_S(i, size, set) __CPU_op_S(i, size, set, &=~)
93#define CPU_ISSET_S(i, size, set) __CPU_op_S(i, size, set, &)
94
95#define __CPU_op_func_S(func, op) \
96static __inline void __CPU_##func##_S(size_t __size, cpu_set_t *__dest, \
97	const cpu_set_t *__src1, const cpu_set_t *__src2) \
98{ \
99	size_t __i; \
100	for (__i=0; __i<__size/sizeof(long); __i++) \
101		((unsigned long *)__dest)[__i] = ((unsigned long *)__src1)[__i] \
102			op ((unsigned long *)__src2)[__i] ; \
103}
104
105__CPU_op_func_S(AND, &)
106__CPU_op_func_S(OR, |)
107__CPU_op_func_S(XOR, ^)
108
109#define CPU_AND_S(a,b,c,d) __CPU_AND_S(a,b,c,d)
110#define CPU_OR_S(a,b,c,d) __CPU_OR_S(a,b,c,d)
111#define CPU_XOR_S(a,b,c,d) __CPU_XOR_S(a,b,c,d)
112
113#define CPU_COUNT_S(size,set) __sched_cpucount(size,set)
114#define CPU_ZERO_S(size,set) memset(set,0,size)
115#define CPU_EQUAL_S(size,set1,set2) (!memcmp(set1,set2,size))
116
117#define CPU_ALLOC_SIZE(n) (sizeof(long) * ( (n)/(8*sizeof(long)) \
118	+ ((n)%(8*sizeof(long)) + 8*sizeof(long)-1)/(8*sizeof(long)) ) )
119#define CPU_ALLOC(n) ((cpu_set_t *)calloc(1,CPU_ALLOC_SIZE(n)))
120#define CPU_FREE(set) free(set)
121
122#define CPU_SETSIZE 128
123
124#define CPU_SET(i, set) CPU_SET_S(i,sizeof(cpu_set_t),set)
125#define CPU_CLR(i, set) CPU_CLR_S(i,sizeof(cpu_set_t),set)
126#define CPU_ISSET(i, set) CPU_ISSET_S(i,sizeof(cpu_set_t),set)
127#define CPU_AND(d,s1,s2) CPU_AND_S(sizeof(cpu_set_t),d,s1,s2)
128#define CPU_OR(d,s1,s2) CPU_OR_S(sizeof(cpu_set_t),d,s1,s2)
129#define CPU_XOR(d,s1,s2) CPU_XOR_S(sizeof(cpu_set_t),d,s1,s2)
130#define CPU_COUNT(set) CPU_COUNT_S(sizeof(cpu_set_t),set)
131#define CPU_ZERO(set) CPU_ZERO_S(sizeof(cpu_set_t),set)
132#define CPU_EQUAL(s1,s2) CPU_EQUAL_S(sizeof(cpu_set_t),s1,s2)
133
134#endif
135
136#if _REDIR_TIME64
137__REDIR(sched_rr_get_interval, __sched_rr_get_interval_time64);
138#endif
139
140#ifdef __cplusplus
141}
142#endif
143#endif
144