Last change
on this file since 403 was 337, checked in by coas-nagasima, 6 years ago |
ASP3版ECNLを追加
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Property svn:eol-style
set to
native
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Property svn:mime-type
set to
text/x-csrc;charset=UTF-8
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File size:
576 bytes
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Line | |
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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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