45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* Copyright (C) 2003 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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.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/types.h>
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int
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pthread_getaffinity_np (th, cpuset)
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pthread_t th;
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cpu_set_t *cpuset;
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{
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struct pthread *pd = (struct pthread *) th;
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INTERNAL_SYSCALL_DECL (err);
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int res = INTERNAL_SYSCALL (sched_getaffinity, err, 3, pd->tid,
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sizeof (cpu_set_t), cpuset);
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if (INTERNAL_SYSCALL_ERROR_P (res, err))
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return INTERNAL_SYSCALL_ERRNO (res, err);
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/* Clean the rest of the memory the kernel didn't do. */
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memset ((char *) cpuset + res, '\0', sizeof (cpu_set_t) - res);
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return 0;
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}
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hidden_def (pthread_getaffinity_np)
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