OpenCloudOS-Kernel/tools/virtio/linux/compiler.h

11 lines
238 B
C

/* 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