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Diffstat (limited to 'include/uapi/linux/ntsync.h')
-rw-r--r--include/uapi/linux/ntsync.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/ntsync.h b/include/uapi/linux/ntsync.h
index bb7fb94f5856..9186304b253c 100644
--- a/include/uapi/linux/ntsync.h
+++ b/include/uapi/linux/ntsync.h
@@ -40,5 +40,6 @@ struct ntsync_wait_args {
#define NTSYNC_IOC_CREATE_MUTEX _IOW ('N', 0x84, struct ntsync_mutex_args)
#define NTSYNC_IOC_SEM_RELEASE _IOWR('N', 0x81, __u32)
+#define NTSYNC_IOC_MUTEX_UNLOCK _IOWR('N', 0x85, struct ntsync_mutex_args)
#endif