1/* Copyright (C) 2003-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <errno.h>
19#include <pthreadP.h>
20#include <sysdep.h>
21#include <sys/types.h>
22#include <shlib-compat.h>
23
24
25int
26__pthread_setaffinity_new (pthread_t th, size_t cpusetsize,
27 const cpu_set_t *cpuset)
28{
29 const struct pthread *pd = (const struct pthread *) th;
30 int res;
31
32 res = INTERNAL_SYSCALL_CALL (sched_setaffinity, pd->tid, cpusetsize,
33 cpuset);
34
35 return (INTERNAL_SYSCALL_ERROR_P (res)
36 ? INTERNAL_SYSCALL_ERRNO (res)
37 : 0);
38}
39versioned_symbol (libc, __pthread_setaffinity_new,
40 pthread_setaffinity_np, GLIBC_2_34);
41
42#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_3_4, GLIBC_2_34)
43compat_symbol (libpthread, __pthread_setaffinity_new,
44 pthread_setaffinity_np, GLIBC_2_3_4);
45#endif
46
47#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_3_3, GLIBC_2_3_4)
48int
49__pthread_setaffinity_old (pthread_t th, cpu_set_t *cpuset)
50{
51 /* The old interface by default assumed a 1024 processor bitmap. */
52 return __pthread_setaffinity_new (th, 128, cpuset);
53}
54compat_symbol (libpthread, __pthread_setaffinity_old, pthread_setaffinity_np,
55 GLIBC_2_3_3);
56#endif
57