2 #include "pthread_impl.h"
6 int pthread_getattr_np(pthread_t t, pthread_attr_t *a)
8 *a = (pthread_attr_t){0};
9 a->_a_detach = !!t->detached;
11 a->_a_stackaddr = (uintptr_t)t->stack;
12 a->_a_stacksize = t->stack_size - DEFAULT_STACK_SIZE;
14 char *p = (void *)libc.auxv;
16 p += -(uintptr_t)p & PAGE_SIZE-1;
17 a->_a_stackaddr = (uintptr_t)p;
18 while (mremap(p-l-PAGE_SIZE, PAGE_SIZE, 2*PAGE_SIZE, 0)==MAP_FAILED && errno==ENOMEM)
20 a->_a_stacksize = l - DEFAULT_STACK_SIZE;