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:
576 bytes
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[398] | 1 | #define _GNU_SOURCE
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| 2 | #include "pthread_impl.h"
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| 3 | #include "libc.h"
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| 4 | #include <sys/mman.h>
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| 5 |
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| 6 | int pthread_getattr_np(pthread_t t, pthread_attr_t *a)
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| 7 | {
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| 8 | *a = (pthread_attr_t){0};
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| 9 | a->_a_detach = !!t->detached;
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| 10 | if (t->stack) {
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| 11 | a->_a_stackaddr = (uintptr_t)t->stack;
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| 12 | a->_a_stacksize = t->stack_size;
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| 13 | } else {
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| 14 | char *p = (void *)libc.auxv;
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| 15 | size_t l = PAGE_SIZE;
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| 16 | p += -(uintptr_t)p & PAGE_SIZE-1;
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| 17 | a->_a_stackaddr = (uintptr_t)p;
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| 18 | while (mremap(p-l-PAGE_SIZE, PAGE_SIZE, 2*PAGE_SIZE, 0)==MAP_FAILED && errno==ENOMEM)
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| 19 | l += PAGE_SIZE;
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| 20 | a->_a_stacksize = l;
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| 21 | }
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| 22 | return 0;
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| 23 | }
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