Last change
on this file since 445 was 444, checked in by coas-nagasima, 4 years ago |
muslのソースコードを追加
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File size:
846 bytes
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1 | #define _GNU_SOURCE
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2 | #include <sched.h>
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3 | #include <string.h>
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4 | #include "pthread_impl.h"
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5 | #include "syscall.h"
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6 |
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7 | int sched_setaffinity(pid_t tid, size_t size, const cpu_set_t *set)
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8 | {
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9 | return syscall(SYS_sched_setaffinity, tid, size, set);
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10 | }
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11 |
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12 | int pthread_setaffinity_np(pthread_t td, size_t size, const cpu_set_t *set)
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13 | {
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14 | return -__syscall(SYS_sched_setaffinity, td->tid, size, set);
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15 | }
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16 |
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17 | static int do_getaffinity(pid_t tid, size_t size, cpu_set_t *set)
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18 | {
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19 | long ret = __syscall(SYS_sched_getaffinity, tid, size, set);
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20 | if (ret < 0) return ret;
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21 | if (ret < size) memset((char *)set+ret, 0, size-ret);
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22 | return 0;
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23 | }
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24 |
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25 | int sched_getaffinity(pid_t tid, size_t size, cpu_set_t *set)
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26 | {
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27 | return __syscall_ret(do_getaffinity(tid, size, set));
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28 | }
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29 |
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30 | int pthread_getaffinity_np(pthread_t td, size_t size, cpu_set_t *set)
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31 | {
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32 | return -do_getaffinity(td->tid, size, set);
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33 | }
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