1 /* $OpenBSD: atomic.h,v 1.9 2014/03/29 18:09:28 guenther Exp $ */ 2 3 /* Public Domain */ 4 5 #ifndef _ARM_ATOMIC_H_ 6 #define _ARM_ATOMIC_H_ 7 8 #if defined(_KERNEL) 9 10 /* 11 * on pre-v6 arm processors, it is necessary to disable interrupts if 12 * in the kernel and atomic updates are necessary without full mutexes 13 */ 14 15 void atomic_setbits_int(volatile unsigned int *, unsigned int); 16 void atomic_clearbits_int(volatile unsigned int *, unsigned int); 17 18 #endif /* defined(_KERNEL) */ 19 #endif /* _ARM_ATOMIC_H_ */ 20