Last change
on this file since 413 was 398, checked in by coas-nagasima, 5 years ago |
mbedTLS版Azure IoT Hub接続サンプルのソースコードを追加
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File size:
721 bytes
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[398] | 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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