[337] | 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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