blob: 571630c0155bc36b2a0287d9f60ee49b48b8b859 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/* Thread attributes retrieval.
Copyright (C) 2008-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <assert.h>
#include <errno.h>
#include <pthread.h>
#include <pt-internal.h>
/* Initialize thread attribute *ATTR with attributes corresponding to the
already running thread THREAD. It shall be called on an uninitialized ATTR
and destroyed with pthread_attr_destroy when no longer needed. */
int
__pthread_getattr_np (pthread_t thread, pthread_attr_t *attr)
{
struct __pthread *pthread;
pthread = __pthread_getid (thread);
if (pthread == NULL)
return ESRCH;
/* Some attributes (schedparam, inheritsched, contentionscope and schedpolicy)
are not supported yet, so fill them with our default values. */
*attr = __pthread_default_attr;
attr->__stackaddr = pthread->stackaddr +
((pthread->guardsize + __vm_page_size - 1)
/ __vm_page_size * __vm_page_size);
attr->__stacksize = pthread->stacksize;
attr->__guardsize = pthread->guardsize;
attr->__detachstate = (pthread->state == PTHREAD_DETACHED
? PTHREAD_CREATE_DETACHED : PTHREAD_CREATE_JOINABLE);
return 0;
}
weak_alias (__pthread_getattr_np, pthread_getattr_np)
|
