[linux-2.6-block.git] / tools / virtio / linux / compiler.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef LINUX_COMPILER_H
#define LINUX_COMPILER_H

#define WRITE_ONCE(var, val) \
	(*((volatile typeof(val) *)(&(var))) = (val))

#define READ_ONCE(var) (*((volatile typeof(var) *)(&(var))))

#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
a7c49033 MT	2	#ifndef LINUX_COMPILER_H
	3	#define LINUX_COMPILER_H
	4
	5	#define WRITE_ONCE(var, val) \
	6	(((volatile typeof(val) )(&(var))) = (val))
	7
5da889c7	8	#define READ_ONCE(var) (((volatile typeof(var) )(&(var))))
a7c49033 MT	9
a7c49033 MT	10	#endif