From ec08f13dad2a25a407f4aff76b406924c91193ec Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 26 Apr 2007 04:50:57 +0000 Subject: * sysdeps/unix/sysv/linux/bits/sched.h: Declare sched_getcpu. * sysdeps/unix/sysv/linux/sched_getcpu.c: New file. * sysdeps/unix/sysv/linux/x86_64/sched_getcpu.S: New file. * sysdeps/unix/sysv/linux/Versions: Export sched_getcpu for GLIBC_2.6. --- sysdeps/unix/sysv/linux/sched_getcpu.c | 37 ++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/sched_getcpu.c (limited to 'sysdeps/unix/sysv/linux/sched_getcpu.c') diff --git a/sysdeps/unix/sysv/linux/sched_getcpu.c b/sysdeps/unix/sysv/linux/sched_getcpu.c new file mode 100644 index 0000000000..d0c0132eb9 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sched_getcpu.c @@ -0,0 +1,37 @@ +/* Copyright (C) 2007 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include + + +int +sched_getcpu (void) +{ +#ifdef __NR_getcpu + unsigned int cpu; + INTERNAL_SYSCALL_DECL (err); + int r = INTERNAL_SYSCALL (getcpu, err, &cpu, NULL, NULL); + + return (INTERNAL_SYSCALL_ERROR (r, err) + ? INTERNAL_SYSCALL_ERRNO (r, err) : cpu); +#else + __set_errno (ENOSYS); + return -1; +#endif +} -- cgit 1.4.1