tools/virtio/linux/compiler.h

   1 #ifndef LINUX_COMPILER_H
   2 #define LINUX_COMPILER_H
   3
   4 #define WRITE_ONCE(var, val) \
   5         (*((volatile typeof(val) *)(&(var))) = (val))
   6
   7 #define READ_ONCE(var) (*((volatile typeof(val) *)(&(var))))
   8
   9 #endif