diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/sched_getcpu.c')
-rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/sched_getcpu.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/sched_getcpu.c b/REORG.TODO/sysdeps/unix/sysv/linux/sched_getcpu.c new file mode 100644 index 0000000000..58ac60b7a8 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/sched_getcpu.c @@ -0,0 +1,39 @@ +/* Copyright (C) 2007-2017 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 +sched_getcpu (void) +{ +#ifdef __NR_getcpu + unsigned int cpu; + int r = INLINE_VSYSCALL (getcpu, 3, &cpu, NULL, NULL); + + return r == -1 ? r : cpu; +#else + __set_errno (ENOSYS); + return -1; +#endif +} |