master
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 int sched_priority;
21 int __reserved1;
22#if _REDIR_TIME64
23 long __reserved2[4];
24#else
25 struct {
26 time_t __reserved1;
27 long __reserved2;
28 } __reserved2[2];
29#endif
30 int __reserved3;
31};
32
33int sched_get_priority_max(int);
34int sched_get_priority_min(int);
35int sched_getparam(pid_t, struct sched_param *);
36int sched_getscheduler(pid_t);
37int sched_rr_get_interval(pid_t, struct timespec *);
38int sched_setparam(pid_t, const struct sched_param *);
39int sched_setscheduler(pid_t, int, const struct sched_param *);
40int sched_yield(void);
41
42#define SCHED_OTHER 0
43#define SCHED_FIFO 1
44#define SCHED_RR 2
45#define SCHED_BATCH 3
46#define SCHED_IDLE 5
47#define SCHED_DEADLINE 6
48#define SCHED_RESET_ON_FORK 0x40000000
49
50#ifdef _GNU_SOURCE
51#define CSIGNAL 0x000000ff
52#define CLONE_NEWTIME 0x00000080
53#define CLONE_VM 0x00000100
54#define CLONE_FS 0x00000200
55#define CLONE_FILES 0x00000400
56#define CLONE_SIGHAND 0x00000800
57#define CLONE_PIDFD 0x00001000
58#define CLONE_PTRACE 0x00002000
59#define CLONE_VFORK 0x00004000
60#define CLONE_PARENT 0x00008000
61#define CLONE_THREAD 0x00010000
62#define CLONE_NEWNS 0x00020000
63#define CLONE_SYSVSEM 0x00040000
64#define CLONE_SETTLS 0x00080000
65#define CLONE_PARENT_SETTID 0x00100000
66#define CLONE_CHILD_CLEARTID 0x00200000
67#define CLONE_DETACHED 0x00400000
68#define CLONE_UNTRACED 0x00800000
69#define CLONE_CHILD_SETTID 0x01000000
70#define CLONE_NEWCGROUP 0x02000000
71#define CLONE_NEWUTS 0x04000000
72#define CLONE_NEWIPC 0x08000000
73#define CLONE_NEWUSER 0x10000000
74#define CLONE_NEWPID 0x20000000
75#define CLONE_NEWNET 0x40000000
76#define CLONE_IO 0x80000000
77int clone (int (*)(void *), void *, int, void *, ...);
78int unshare(int);
79int setns(int, int);
80
81int (memcmp)(const void *, const void *, size_t);
82void *(memset)(void *, int, size_t);
83void *(calloc)(size_t, size_t);
84void (free)(void *);
85
86typedef struct cpu_set_t { unsigned long __bits[128/sizeof(long)]; } cpu_set_t;
87int __sched_cpucount(size_t, const cpu_set_t *);
88int sched_getcpu(void);
89int sched_getaffinity(pid_t, size_t, cpu_set_t *);
90int sched_setaffinity(pid_t, size_t, const cpu_set_t *);
91
92#define __CPU_op_S(i, size, set, op) ( (i)/8U >= (size) ? 0 : \
93 (((unsigned long *)(set))[(i)/8/sizeof(long)] op (1UL<<((i)%(8*sizeof(long))))) )
94
95#define CPU_SET_S(i, size, set) __CPU_op_S(i, size, set, |=)
96#define CPU_CLR_S(i, size, set) __CPU_op_S(i, size, set, &=~)
97#define CPU_ISSET_S(i, size, set) __CPU_op_S(i, size, set, &)
98
99#define __CPU_op_func_S(func, op) \
100static __inline void __CPU_##func##_S(size_t __size, cpu_set_t *__dest, \
101 const cpu_set_t *__src1, const cpu_set_t *__src2) \
102{ \
103 size_t __i; \
104 for (__i=0; __i<__size/sizeof(long); __i++) \
105 ((unsigned long *)__dest)[__i] = ((unsigned long *)__src1)[__i] \
106 op ((unsigned long *)__src2)[__i] ; \
107}
108
109__CPU_op_func_S(AND, &)
110__CPU_op_func_S(OR, |)
111__CPU_op_func_S(XOR, ^)
112
113#define CPU_AND_S(a,b,c,d) __CPU_AND_S(a,b,c,d)
114#define CPU_OR_S(a,b,c,d) __CPU_OR_S(a,b,c,d)
115#define CPU_XOR_S(a,b,c,d) __CPU_XOR_S(a,b,c,d)
116
117#define CPU_COUNT_S(size,set) __sched_cpucount(size,set)
118#define CPU_ZERO_S(size,set) (memset)(set,0,size)
119#define CPU_EQUAL_S(size,set1,set2) (!(memcmp)(set1,set2,size))
120
121#define CPU_ALLOC_SIZE(n) (sizeof(long) * ( (n)/(8*sizeof(long)) \
122 + ((n)%(8*sizeof(long)) + 8*sizeof(long)-1)/(8*sizeof(long)) ) )
123#define CPU_ALLOC(n) ((cpu_set_t *)(calloc)(1,CPU_ALLOC_SIZE(n)))
124#define CPU_FREE(set) (free)(set)
125
126#define CPU_SETSIZE 1024
127
128#define CPU_SET(i, set) CPU_SET_S(i,sizeof(cpu_set_t),set)
129#define CPU_CLR(i, set) CPU_CLR_S(i,sizeof(cpu_set_t),set)
130#define CPU_ISSET(i, set) CPU_ISSET_S(i,sizeof(cpu_set_t),set)
131#define CPU_AND(d,s1,s2) CPU_AND_S(sizeof(cpu_set_t),d,s1,s2)
132#define CPU_OR(d,s1,s2) CPU_OR_S(sizeof(cpu_set_t),d,s1,s2)
133#define CPU_XOR(d,s1,s2) CPU_XOR_S(sizeof(cpu_set_t),d,s1,s2)
134#define CPU_COUNT(set) CPU_COUNT_S(sizeof(cpu_set_t),set)
135#define CPU_ZERO(set) CPU_ZERO_S(sizeof(cpu_set_t),set)
136#define CPU_EQUAL(s1,s2) CPU_EQUAL_S(sizeof(cpu_set_t),s1,s2)
137
138#endif
139
140#if _REDIR_TIME64
141__REDIR(sched_rr_get_interval, __sched_rr_get_interval_time64);
142#endif
143
144#ifdef __cplusplus
145}
146#endif
147#endif