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55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/* CPU affinity handling for the dynamic linker. Stub version.
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Copyright (C) 2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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#ifndef DL_AFFINITY_H
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#define DL_AFFINITY_H
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#include <errno.h>
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#include <stddef.h>
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/* On success, write the current CPU ID to *CPU, and the current node
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ID to *NODE, and return 0. Return a negative error code on
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failure. */
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static inline int
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_dl_getcpu (unsigned int *cpu, unsigned int *node)
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{
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return -ENOSYS;
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}
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/* On success, write CPU ID affinity bits for the current thread to
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*BITS, which must be SIZE bytes long, and return the number of
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bytes updated, a multiple of sizeof (unsigned long int). On
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failure, return a negative error code. */
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static int
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_dl_getaffinity (unsigned long int *bits, size_t size)
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{
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return -ENOSYS;
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}
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/* Set the CPU affinity mask for the current thread to *BITS, using
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the SIZE bytes from that array, which should be a multiple of
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sizeof (unsigned long int). Return 0 on success, and a negative
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error code on failure. */
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static int
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_dl_setaffinity (const unsigned long int *bits, size_t size)
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{
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return -ENOSYS;
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}
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#endif /* DL_AFFINITY_H */
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