diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/getcpu.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/getcpu.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/getcpu.c b/sysdeps/unix/sysv/linux/getcpu.c new file mode 100644 index 0000000000..59c6cc4a14 --- /dev/null +++ b/sysdeps/unix/sysv/linux/getcpu.c @@ -0,0 +1,38 @@ +/* Copyright (C) 2007-2018 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 <errno.h> +#include <sched.h> +#include <sysdep.h> + +#ifdef HAVE_GETCPU_VSYSCALL +# define HAVE_VSYSCALL +#endif +#include <sysdep-vdso.h> + +int +__getcpu (unsigned int *cpu, unsigned int *node) +{ +#ifdef __NR_getcpu + return INLINE_VSYSCALL (getcpu, 3, cpu, node, NULL); +#else + __set_errno (ENOSYS); + return -1; +#endif +} +weak_alias (__getcpu, getcpu) +libc_hidden_def (__getcpu) |