summaryrefslogtreecommitdiff
path: root/sys/arch/vax/include/atomic.h
blob: 3cf2f7ebed05c261b9cbe3a5dc8b5254ec017dd7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/*	$OpenBSD: atomic.h,v 1.3 2007/04/05 17:33:50 miod Exp $	*/

/* Public Domain */

#ifndef __VAX_ATOMIC_H__
#define __VAX_ATOMIC_H__

#if defined(_KERNEL)

#include <machine/mtpr.h>

static __inline void
atomic_setbits_int(__volatile unsigned int *uip, unsigned int v)
{
	int s;

	s = splhigh();
	*uip |= v;
	splx(s);
}

static __inline void
atomic_clearbits_int(__volatile unsigned int *uip, unsigned int v)
{
	int s;

	s = splhigh();
	*uip &= ~v;
	splx(s);
}

#endif /* defined(_KERNEL) */
#endif /* __VAX_ATOMIC_H__ */