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/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<http://www.gnu.org/licenses/>. */
#include <sys/syscall.h>
#if defined __NR_sched_getaffinity && defined __USE_GNU
# include <sched.h>
# include <string.h>
# include <sys/types.h>
# include <sys/param.h>
# define __NR___syscall_sched_getaffinity __NR_sched_getaffinity
static __always_inline _syscall3(int, __syscall_sched_getaffinity, __kernel_pid_t, pid,
size_t, cpusetsize, cpu_set_t *, cpuset)
int sched_getaffinity(pid_t pid, size_t cpusetsize, cpu_set_t *cpuset)
{
int res = (__syscall_sched_getaffinity(pid, MIN(INT_MAX, cpusetsize),
cpuset));
if (res != -1) {
/* Clean the rest of the memory the kernel didn't do. */
memset ((char *) cpuset + res, '\0', cpusetsize - res);
res = 0;
}
return res;
}
#endif
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