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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.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <limits.h>
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#include <pthreadP.h>
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#include <string.h>
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#include <sysdep.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <shlib-compat.h>
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int
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__pthread_getaffinity_np (pthread_t th, size_t cpusetsize, cpu_set_t *cpuset)
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{
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const struct pthread *pd = (const struct pthread *) th;
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int res = INTERNAL_SYSCALL_CALL (sched_getaffinity, pd->tid,
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MIN (INT_MAX, cpusetsize), cpuset);
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if (INTERNAL_SYSCALL_ERROR_P (res))
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return INTERNAL_SYSCALL_ERRNO (res);
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/* Clean the rest of the memory the kernel didn't do. */
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memset ((char *) cpuset + res, '\0', cpusetsize - res);
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return 0;
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}
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libc_hidden_def (__pthread_getaffinity_np)
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versioned_symbol (libc, __pthread_getaffinity_np, pthread_getaffinity_np,
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GLIBC_2_32);
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#if SHLIB_COMPAT (libc, GLIBC_2_3_4, GLIBC_2_32)
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strong_alias (__pthread_getaffinity_np, __pthread_getaffinity_alias)
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compat_symbol (libc, __pthread_getaffinity_alias, pthread_getaffinity_np,
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GLIBC_2_3_4);
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#endif
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#if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4)
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int
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__pthread_getaffinity_old (pthread_t th, cpu_set_t *cpuset)
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{
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/* The old interface by default assumed a 1024 processor bitmap. */
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return __pthread_getaffinity_np (th, 128, cpuset);
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}
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compat_symbol (libc, __pthread_getaffinity_old, pthread_getaffinity_np,
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GLIBC_2_3_3);
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#endif
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