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Diffstat (limited to '')
| -rw-r--r-- | tools/virtio/linux/compiler.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/virtio/linux/compiler.h b/tools/virtio/linux/compiler.h new file mode 100644 index 000000000000..845960e1cbf2 --- /dev/null +++ b/tools/virtio/linux/compiler.h @@ -0,0 +1,9 @@ +#ifndef LINUX_COMPILER_H +#define LINUX_COMPILER_H + +#define WRITE_ONCE(var, val) \ + (*((volatile typeof(val) *)(&(var))) = (val)) + +#define READ_ONCE(var) (*((volatile typeof(val) *)(&(var)))) + +#endif |