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- #ifndef _SCHED_H
- #define _SCHED_H
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include <features.h>
- #define __NEED_struct_timespec
- #define __NEED_pid_t
- #define __NEED_time_t
- #ifdef _GNU_SOURCE
- #define __NEED_size_t
- #endif
- #include <bits/alltypes.h>
- struct sched_param {
- int sched_priority;
- int sched_ss_low_priority;
- struct timespec sched_ss_repl_period;
- struct timespec sched_ss_init_budget;
- int sched_ss_max_repl;
- };
- int sched_get_priority_max(int);
- int sched_get_priority_min(int);
- int sched_getparam(pid_t, struct sched_param *);
- int sched_getscheduler(pid_t);
- int sched_rr_get_interval(pid_t, struct timespec *);
- int sched_setparam(pid_t, const struct sched_param *);
- int sched_setscheduler(pid_t, int, const struct sched_param *);
- int sched_yield(void);
- #define SCHED_OTHER 0
- #define SCHED_FIFO 1
- #define SCHED_RR 2
- #define SCHED_BATCH 3
- #define SCHED_IDLE 5
- #define SCHED_DEADLINE 6
- #define SCHED_RESET_ON_FORK 0x40000000
- #ifdef _GNU_SOURCE
- #define CSIGNAL 0x000000ff
- #define CLONE_VM 0x00000100
- #define CLONE_FS 0x00000200
- #define CLONE_FILES 0x00000400
- #define CLONE_SIGHAND 0x00000800
- #define CLONE_PTRACE 0x00002000
- #define CLONE_VFORK 0x00004000
- #define CLONE_PARENT 0x00008000
- #define CLONE_THREAD 0x00010000
- #define CLONE_NEWNS 0x00020000
- #define CLONE_SYSVSEM 0x00040000
- #define CLONE_SETTLS 0x00080000
- #define CLONE_PARENT_SETTID 0x00100000
- #define CLONE_CHILD_CLEARTID 0x00200000
- #define CLONE_DETACHED 0x00400000
- #define CLONE_UNTRACED 0x00800000
- #define CLONE_CHILD_SETTID 0x01000000
- #define CLONE_NEWCGROUP 0x02000000
- #define CLONE_NEWUTS 0x04000000
- #define CLONE_NEWIPC 0x08000000
- #define CLONE_NEWUSER 0x10000000
- #define CLONE_NEWPID 0x20000000
- #define CLONE_NEWNET 0x40000000
- #define CLONE_IO 0x80000000
- int clone (int (*)(void *), void *, int, void *, ...);
- int unshare(int);
- int setns(int, int);
- void *memcpy(void *__restrict, const void *__restrict, size_t);
- int memcmp(const void *, const void *, size_t);
- void *calloc(size_t, size_t);
- void free(void *);
- typedef struct cpu_set_t { unsigned long __bits[128/sizeof(long)]; } cpu_set_t;
- int __sched_cpucount(size_t, const cpu_set_t *);
- int sched_getcpu(void);
- int sched_getaffinity(pid_t, size_t, cpu_set_t *);
- int sched_setaffinity(pid_t, size_t, const cpu_set_t *);
- #define __CPU_op_S(i, size, set, op) ( (i)/8U >= (size) ? 0 : \
- ((set)->__bits[(i)/8/sizeof(long)] op (1UL<<((i)%(8*sizeof(long))))) )
- #define CPU_SET_S(i, size, set) __CPU_op_S(i, size, set, |=)
- #define CPU_CLR_S(i, size, set) __CPU_op_S(i, size, set, &=~)
- #define CPU_ISSET_S(i, size, set) __CPU_op_S(i, size, set, &)
- #define __CPU_op_func_S(func, op) \
- static __inline void __CPU_##func##_S(size_t __size, cpu_set_t *__dest, \
- const cpu_set_t *__src1, const cpu_set_t *__src2) \
- { \
- size_t __i; \
- for (__i=0; __i<__size/sizeof(long); __i++) \
- __dest->__bits[__i] = __src1->__bits[__i] \
- op __src2->__bits[__i] ; \
- }
- __CPU_op_func_S(AND, &)
- __CPU_op_func_S(OR, |)
- __CPU_op_func_S(XOR, ^)
- #define CPU_AND_S(a,b,c,d) __CPU_AND_S(a,b,c,d)
- #define CPU_OR_S(a,b,c,d) __CPU_OR_S(a,b,c,d)
- #define CPU_XOR_S(a,b,c,d) __CPU_XOR_S(a,b,c,d)
- #define CPU_COUNT_S(size,set) __sched_cpucount(size,set)
- #define CPU_ZERO_S(size,set) memset(set,0,size)
- #define CPU_EQUAL_S(size,set1,set2) (!memcmp(set1,set2,size))
- #define CPU_ALLOC_SIZE(n) (sizeof(long) * ( (n)/(8*sizeof(long)) \
- + ((n)%(8*sizeof(long)) + 8*sizeof(long)-1)/(8*sizeof(long)) ) )
- #define CPU_ALLOC(n) ((cpu_set_t *)calloc(1,CPU_ALLOC_SIZE(n)))
- #define CPU_FREE(set) free(set)
- #define CPU_SETSIZE 128
- #define CPU_SET(i, set) CPU_SET_S(i,sizeof(cpu_set_t),set)
- #define CPU_CLR(i, set) CPU_CLR_S(i,sizeof(cpu_set_t),set)
- #define CPU_ISSET(i, set) CPU_ISSET_S(i,sizeof(cpu_set_t),set)
- #define CPU_AND(d,s1,s2) CPU_AND_S(sizeof(cpu_set_t),d,s1,s2)
- #define CPU_OR(d,s1,s2) CPU_OR_S(sizeof(cpu_set_t),d,s1,s2)
- #define CPU_XOR(d,s1,s2) CPU_XOR_S(sizeof(cpu_set_t),d,s1,s2)
- #define CPU_COUNT(set) CPU_COUNT_S(sizeof(cpu_set_t),set)
- #define CPU_ZERO(set) CPU_ZERO_S(sizeof(cpu_set_t),set)
- #define CPU_EQUAL(s1,s2) CPU_EQUAL_S(sizeof(cpu_set_t),s1,s2)
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif
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