blob: 5b2de71e43bac381c7156b5eed40068da61c573a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
/* $OpenBSD: atomic.h,v 1.8 2011/03/23 16:54:34 pirofti Exp $ */
/* Public Domain */
#ifndef _ARM_ATOMIC_H_
#define _ARM_ATOMIC_H_
#if defined(_KERNEL)
/*
* on pre-v6 arm processors, it is necessary to disable interrupts if
* in the kernel and atomic updates are necessary without full mutexes
*/
void atomic_setbits_int(__volatile unsigned int *, unsigned int);
void atomic_clearbits_int(__volatile unsigned int *, unsigned int);
#endif /* defined(_KERNEL) */
#endif /* _ARM_ATOMIC_H_ */
|