mirror of
git://git.musl-libc.org/musl
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137 lines
4.1 KiB
C
137 lines
4.1 KiB
C
#ifndef _SCHED_H
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#define _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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#define CSIGNAL 0x000000ff
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#define CLONE_VM 0x00000100
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#define CLONE_FS 0x00000200
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#define CLONE_FILES 0x00000400
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#define CLONE_SIGHAND 0x00000800
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#define CLONE_PTRACE 0x00002000
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#define CLONE_VFORK 0x00004000
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#define CLONE_PARENT 0x00008000
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#define CLONE_THREAD 0x00010000
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#define CLONE_NEWNS 0x00020000
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#define CLONE_SYSVSEM 0x00040000
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#define CLONE_SETTLS 0x00080000
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#define CLONE_PARENT_SETTID 0x00100000
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#define CLONE_CHILD_CLEARTID 0x00200000
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#define CLONE_DETACHED 0x00400000
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#define CLONE_UNTRACED 0x00800000
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#define CLONE_CHILD_SETTID 0x01000000
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#define CLONE_NEWCGROUP 0x02000000
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#define CLONE_NEWUTS 0x04000000
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#define CLONE_NEWIPC 0x08000000
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#define CLONE_NEWUSER 0x10000000
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#define CLONE_NEWPID 0x20000000
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#define CLONE_NEWNET 0x40000000
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#define CLONE_IO 0x80000000
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int clone (int (*)(void *), void *, int, void *, ...);
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int unshare(int);
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int setns(int, int);
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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 *memset (void *, int, 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 { unsigned long __bits[128/sizeof(long)]; } 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) ( (i)/8U >= (size) ? 0 : \
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(((unsigned long *)(set))[(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, \
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const cpu_set_t *__src1, const cpu_set_t *__src2) \
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{ \
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size_t __i; \
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for (__i=0; __i<__size/sizeof(long); __i++) \
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((unsigned long *)__dest)[__i] = ((unsigned long *)__src1)[__i] \
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op ((unsigned long *)__src2)[__i] ; \
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}
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__CPU_op_func_S(AND, &)
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__CPU_op_func_S(OR, |)
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__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) (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
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