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04277e02 1/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
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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
59ba27a6 15 License along with the GNU C Library; if not, see
5a82c748 16 <https://www.gnu.org/licenses/>. */
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17
18#include <errno.h>
19#include <sched.h>
20#include <string.h>
21#include <sysdep.h>
439ff07b 22#include <unistd.h>
949ec764 23#include <sys/types.h>
439ff07b 24#include <shlib-compat.h>
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25
26
27#ifdef __NR_sched_setaffinity
439ff07b 28
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29extern int __sched_setaffinity_new (pid_t, size_t, const cpu_set_t *);
30libc_hidden_proto (__sched_setaffinity_new)
31
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32int
33__sched_setaffinity_new (pid_t pid, size_t cpusetsize, const cpu_set_t *cpuset)
34{
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35 int result = INLINE_SYSCALL (sched_setaffinity, 3, pid, cpusetsize, cpuset);
36
37#ifdef RESET_VGETCPU_CACHE
38 if (result != -1)
39 RESET_VGETCPU_CACHE ();
40#endif
41
42 return result;
439ff07b 43}
d0a4512b 44libc_hidden_def (__sched_setaffinity_new)
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45versioned_symbol (libc, __sched_setaffinity_new, sched_setaffinity,
46 GLIBC_2_3_4);
47
48
8e32efa6 49# if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4)
949ec764 50int
439ff07b 51attribute_compat_text_section
e4871eb8 52__sched_setaffinity_old (pid_t pid, const cpu_set_t *cpuset)
949ec764 53{
439ff07b 54 /* The old interface by default assumed a 1024 processor bitmap. */
e4871eb8 55 return __sched_setaffinity_new (pid, 128, cpuset);
949ec764 56}
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57compat_symbol (libc, __sched_setaffinity_old, sched_setaffinity, GLIBC_2_3_3);
58# endif
949ec764 59#else
2826ac7e 60# include <posix/sched_setaffinity.c>
949ec764 61#endif