1 files changed, 3 insertions, 0 deletions
diff --git a/vendor/rustix/src/backend/linux_raw/event/types.rs b/vendor/rustix/src/backend/linux_raw/event/types.rs
index e6273959c..3821f8f64 100644
--- a/vendor/rustix/src/backend/linux_raw/event/types.rs
+++ b/vendor/rustix/src/backend/linux_raw/event/types.rs
@@ -14,5 +14,8 @@ bitflags! {
         const NONBLOCK = linux_raw_sys::general::EFD_NONBLOCK;
         /// `EFD_SEMAPHORE`
         const SEMAPHORE = linux_raw_sys::general::EFD_SEMAPHORE;
+
+        /// <https://docs.rs/bitflags/latest/bitflags/#externally-defined-flags>
+        const _ = !0;
     }
 }