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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/* Copyright (C) 2003-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <pthreadP.h>
#include <shlib-compat.h>
int
__pthread_attr_setaffinity_new (pthread_attr_t *attr, size_t cpusetsize,
const cpu_set_t *cpuset)
{
struct pthread_attr *iattr;
iattr = (struct pthread_attr *) attr;
if (cpuset == NULL || cpusetsize == 0)
{
free (iattr->cpuset);
iattr->cpuset = NULL;
iattr->cpusetsize = 0;
}
else
{
if (iattr->cpusetsize != cpusetsize)
{
void *newp = (cpu_set_t *) realloc (iattr->cpuset, cpusetsize);
if (newp == NULL)
return ENOMEM;
iattr->cpuset = newp;
iattr->cpusetsize = cpusetsize;
}
memcpy (iattr->cpuset, cpuset, cpusetsize);
}
return 0;
}
versioned_symbol (libpthread, __pthread_attr_setaffinity_new,
pthread_attr_setaffinity_np, GLIBC_2_3_4);
#if SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_3_4)
int
__pthread_attr_setaffinity_old (pthread_attr_t *attr, cpu_set_t *cpuset)
{
/* The old interface by default assumed a 1024 processor bitmap. */
return __pthread_attr_setaffinity_new (attr, 128, cpuset);
}
compat_symbol (libpthread, __pthread_attr_setaffinity_old,
pthread_attr_setaffinity_np, GLIBC_2_3_3);
#endif
|
