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| author | Anton Blanchard <anton@samba.org> | 2013-01-09 20:30:11 -0600 |
|---|---|---|
| committer | Ryan S. Arnold <rsa@linux.vnet.ibm.com> | 2013-01-09 20:30:11 -0600 |
| commit | d5e0b9bd6e296f3ec5263fa296d39f3fed9b8fa2 (patch) | |
| tree | 125794278e0a7e9692f84753bbc879a4d79b357e /sysdeps/unix/sysv/linux/powerpc/sched_getcpu.c | |
| parent | 0c07e3eaa735d73ca6fdf8a5927aa09f1c33f51d (diff) | |
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PowerPC: Change sched_getcpu to use vDSO getcpu instead of syscall.
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/sched_getcpu.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/sched_getcpu.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/sched_getcpu.c b/sysdeps/unix/sysv/linux/powerpc/sched_getcpu.c new file mode 100644 index 0000000000..617e6f121f --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/sched_getcpu.c @@ -0,0 +1,30 @@ +/* Copyright (C) 2013 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 <sched.h> +#include <sysdep.h> +#include <bits/libc-vdso.h> + + +int +sched_getcpu (void) +{ + unsigned int cpu; + int r = INLINE_VSYSCALL (getcpu, 3, &cpu, NULL, NULL); + + return r == -1 ? r : cpu; +} |