bionic/libc/kernel/common/linux/percpu.h
The Android Open Source Project a27d2baa0c Initial Contribution
2008-10-21 07:00:00 -07:00

31 lines
1.1 KiB
C

/****************************************************************************
****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
****************************************************************************
****************************************************************************/
#ifndef __LINUX_PERCPU_H
#define __LINUX_PERCPU_H
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/smp.h>
#include <linux/string.h>
#include <asm/percpu.h>
#ifndef PERCPU_ENOUGH_ROOM
#define PERCPU_ENOUGH_ROOM 32768
#endif
#define get_cpu_var(var) (*({ preempt_disable(); &__get_cpu_var(var); }))
#define put_cpu_var(var) preempt_enable()
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); })
#define alloc_percpu(type) ((type *)(__alloc_percpu(sizeof(type))))
#endif