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111 lines
3.7 KiB
111 lines
3.7 KiB
#ifndef SYSROOT_SCHED_H_
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#define SYSROOT_SCHED_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <features.h>
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#define __NEED_struct_timespec
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#define __NEED_pid_t
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#define __NEED_time_t
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#ifdef _GNU_SOURCE
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#define __NEED_size_t
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#endif
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#include <bits/alltypes.h>
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struct sched_param {
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int sched_priority;
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int sched_ss_low_priority;
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struct timespec sched_ss_repl_period;
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struct timespec sched_ss_init_budget;
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int sched_ss_max_repl;
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};
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int sched_get_priority_max(int);
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int sched_get_priority_min(int);
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int sched_getparam(pid_t, struct sched_param*);
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int sched_getscheduler(pid_t);
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int sched_rr_get_interval(pid_t, struct timespec*);
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int sched_setparam(pid_t, const struct sched_param*);
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int sched_setscheduler(pid_t, int, const struct sched_param*);
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int sched_yield(void);
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#define SCHED_OTHER 0
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#define SCHED_FIFO 1
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#define SCHED_RR 2
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#define SCHED_BATCH 3
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#define SCHED_IDLE 5
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#define SCHED_DEADLINE 6
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#define SCHED_RESET_ON_FORK 0x40000000
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#ifdef _GNU_SOURCE
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void* memcpy(void* __restrict, const void* __restrict, size_t);
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int memcmp(const void*, const void*, size_t);
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void* calloc(size_t, size_t);
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void free(void*);
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typedef struct cpu_set_t {
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unsigned long __bits[128 / sizeof(long)];
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} cpu_set_t;
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int __sched_cpucount(size_t, const cpu_set_t*);
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int sched_getcpu(void);
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int sched_getaffinity(pid_t, size_t, cpu_set_t*);
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int sched_setaffinity(pid_t, size_t, const cpu_set_t*);
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#define __CPU_op_S(i, size, set, op) \
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((i) / 8U >= (size) \
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? 0 \
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: ((set)->__bits[(i) / 8 / sizeof(long)] op(1UL << ((i) % (8 * sizeof(long))))))
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#define CPU_SET_S(i, size, set) __CPU_op_S(i, size, set, |=)
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#define CPU_CLR_S(i, size, set) __CPU_op_S(i, size, set, &= ~)
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#define CPU_ISSET_S(i, size, set) __CPU_op_S(i, size, set, &)
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#define __CPU_op_func_S(func, op) \
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static __inline void __CPU_##func##_S(size_t __size, cpu_set_t* __dest, const cpu_set_t* __src1, \
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const cpu_set_t* __src2) { \
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size_t __i; \
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for (__i = 0; __i < __size / sizeof(long); __i++) \
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__dest->__bits[__i] = __src1->__bits[__i] op __src2->__bits[__i]; \
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}
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__CPU_op_func_S(AND, &) __CPU_op_func_S(OR, |) __CPU_op_func_S(XOR, ^)
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#define CPU_AND_S(a, b, c, d) __CPU_AND_S(a, b, c, d)
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#define CPU_OR_S(a, b, c, d) __CPU_OR_S(a, b, c, d)
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#define CPU_XOR_S(a, b, c, d) __CPU_XOR_S(a, b, c, d)
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#define CPU_COUNT_S(size, set) __sched_cpucount(size, set)
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#define CPU_ZERO_S(size, set) memset(set, 0, size)
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#define CPU_EQUAL_S(size, set1, set2) (!memcmp(set1, set2, size))
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#define CPU_ALLOC_SIZE(n) \
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(sizeof(long) * ((n) / (8 * sizeof(long)) + \
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((n) % (8 * sizeof(long)) + 8 * sizeof(long) - 1) / (8 * sizeof(long))))
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#define CPU_ALLOC(n) ((cpu_set_t*)calloc(1, CPU_ALLOC_SIZE(n)))
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#define CPU_FREE(set) free(set)
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#define CPU_SETSIZE 128
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#define CPU_SET(i, set) CPU_SET_S(i, sizeof(cpu_set_t), set)
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#define CPU_CLR(i, set) CPU_CLR_S(i, sizeof(cpu_set_t), set)
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#define CPU_ISSET(i, set) CPU_ISSET_S(i, sizeof(cpu_set_t), set)
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#define CPU_AND(d, s1, s2) CPU_AND_S(sizeof(cpu_set_t), d, s1, s2)
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#define CPU_OR(d, s1, s2) CPU_OR_S(sizeof(cpu_set_t), d, s1, s2)
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#define CPU_XOR(d, s1, s2) CPU_XOR_S(sizeof(cpu_set_t), d, s1, s2)
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#define CPU_COUNT(set) CPU_COUNT_S(sizeof(cpu_set_t), set)
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#define CPU_ZERO(set) CPU_ZERO_S(sizeof(cpu_set_t), set)
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#define CPU_EQUAL(s1, s2) CPU_EQUAL_S(sizeof(cpu_set_t), s1, s2)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif // SYSROOT_SCHED_H_
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