1/* Copyright (C) 2003-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <pthreadP.h>
21#include <sysdep.h>
22#include <sys/types.h>
23#include <shlib-compat.h>
24
25
26int
27__pthread_setaffinity_new (pthread_t th, size_t cpusetsize,
28 const cpu_set_t *cpuset)
29{
30 const struct pthread *pd = (const struct pthread *) th;
31 int res;
32
33 res = INTERNAL_SYSCALL_CALL (sched_setaffinity, pd->tid, cpusetsize,
34 cpuset);
35
36 return (INTERNAL_SYSCALL_ERROR_P (res)
37 ? INTERNAL_SYSCALL_ERRNO (res)
38 : 0);
39}
40versioned_symbol (libc, __pthread_setaffinity_new,
41 pthread_setaffinity_np, GLIBC_2_34);
42
43#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_3_4, GLIBC_2_34)
44compat_symbol (libpthread, __pthread_setaffinity_new,
45 pthread_setaffinity_np, GLIBC_2_3_4);
46#endif
47
48#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_3_4)
49int
50__pthread_setaffinity_old (pthread_t th, cpu_set_t *cpuset)
51{
52 /* The old interface by default assumed a 1024 processor bitmap. */
53 return __pthread_setaffinity_new (th, 128, cpuset);
54}
55compat_symbol (libpthread, __pthread_setaffinity_old, pthread_setaffinity_np,
56 GLIBC_2_3_3);
57#endif
58