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