mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 01:21:06 +00:00
52302bc298
This is part of the libpthread removal project:
<https://sourceware.org/ml/libc-alpha/2019-10/msg00080.html>
The abilist updates were performed by:
git ls-files 'sysdeps/unix/sysv/linux/**/libc.abilist' \
| while read x ; do
echo "GLIBC_2.32 pthread_getaffinity_np F" >> $x
done
python3 scripts/move-symbol-to-libc.py pthread_getaffinity_np
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/* 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 <pthreadP.h>
|
|
#include <string.h>
|
|
#include <sysdep.h>
|
|
#include <sys/param.h>
|
|
#include <sys/types.h>
|
|
#include <shlib-compat.h>
|
|
|
|
|
|
int
|
|
__pthread_getaffinity_np (pthread_t th, size_t cpusetsize, cpu_set_t *cpuset)
|
|
{
|
|
const struct pthread *pd = (const struct pthread *) th;
|
|
|
|
int res = INTERNAL_SYSCALL_CALL (sched_getaffinity, pd->tid,
|
|
MIN (INT_MAX, cpusetsize), cpuset);
|
|
if (INTERNAL_SYSCALL_ERROR_P (res))
|
|
return INTERNAL_SYSCALL_ERRNO (res);
|
|
|
|
/* Clean the rest of the memory the kernel didn't do. */
|
|
memset ((char *) cpuset + res, '\0', cpusetsize - res);
|
|
|
|
return 0;
|
|
}
|
|
libc_hidden_def (__pthread_getaffinity_np)
|
|
versioned_symbol (libc, __pthread_getaffinity_np, pthread_getaffinity_np,
|
|
GLIBC_2_32);
|
|
|
|
#if SHLIB_COMPAT (libc, GLIBC_2_3_4, GLIBC_2_32)
|
|
strong_alias (__pthread_getaffinity_np, __pthread_getaffinity_alias)
|
|
compat_symbol (libc, __pthread_getaffinity_alias, pthread_getaffinity_np,
|
|
GLIBC_2_3_4);
|
|
#endif
|
|
|
|
#if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4)
|
|
int
|
|
__pthread_getaffinity_old (pthread_t th, cpu_set_t *cpuset)
|
|
{
|
|
/* The old interface by default assumed a 1024 processor bitmap. */
|
|
return __pthread_getaffinity_np (th, 128, cpuset);
|
|
}
|
|
compat_symbol (libc, __pthread_getaffinity_old, pthread_getaffinity_np,
|
|
GLIBC_2_3_3);
|
|
#endif
|