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30 lines
974 B
C
30 lines
974 B
C
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#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_CPUSET_H_
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#define COSMOPOLITAN_LIBC_CALLS_STRUCT_CPUSET_H_
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#define CPU_SETSIZE 1024
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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typedef struct cpu_set_t {
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uint64_t __bits[16];
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} cpu_set_t;
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int sched_getcpu(void);
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int sched_getaffinity(int, size_t, cpu_set_t *);
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int sched_setaffinity(int, size_t, const cpu_set_t *);
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#define CPU_SET(i, s) ((s)->__bits[(i) / 64] |= 1ull << ((i) % 64))
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#define CPU_CLR(i, s) ((s)->__bits[(i) / 64] &= ~(1ull << ((i) % 64)))
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#define CPU_ISSET(i, s) (!!((s)->__bits[(i) / 64] & (1ull << ((i) % 64))))
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void CPU_ZERO(cpu_set_t *);
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int CPU_COUNT(cpu_set_t *);
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int CPU_EQUAL(cpu_set_t *, cpu_set_t *);
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void CPU_AND(cpu_set_t *, cpu_set_t *, cpu_set_t *);
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void CPU_OR(cpu_set_t *, cpu_set_t *, cpu_set_t *);
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void CPU_XOR(cpu_set_t *, cpu_set_t *, cpu_set_t *);
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_CPUSET_H_ */
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