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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Property svn:eol-style
set to
native
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Property svn:mime-type
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text/x-csrc;charset=UTF-8
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File size:
721 bytes
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1 | #define _GNU_SOURCE
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2 | #include <fcntl.h>
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3 | #include <string.h>
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4 | #include <unistd.h>
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5 | #include <sys/prctl.h>
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6 |
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7 | #include "pthread_impl.h"
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8 |
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9 | int pthread_setname_np(pthread_t thread, const char *name)
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10 | {
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11 | int fd, cs, status = 0;
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12 | char f[sizeof "/proc/self/task//comm" + 3*sizeof(int)];
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13 | size_t len;
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14 |
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15 | if ((len = strnlen(name, 16)) > 15) return ERANGE;
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16 |
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17 | if (thread == pthread_self())
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18 | return prctl(PR_SET_NAME, (unsigned long)name, 0UL, 0UL, 0UL) ? errno : 0;
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19 |
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20 | snprintf(f, sizeof f, "/proc/self/task/%d/comm", thread->tid);
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21 | pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
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22 | if ((fd = open(f, O_WRONLY)) < 0 || write(fd, name, len) < 0) status = errno;
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23 | if (fd >= 0) close(fd);
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24 | pthread_setcancelstate(cs, 0);
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25 | return status;
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26 | }
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