diff --git a/sys_util/src/lib.rs b/sys_util/src/lib.rs
index 185489c00f..141c8b5886 100644
--- a/sys_util/src/lib.rs
+++ b/sys_util/src/lib.rs
@@ -29,6 +29,7 @@ mod mmap;
 mod passwd;
 mod poll;
 mod priority;
+mod raw_fd;
 mod seek_hole;
 mod shm;
 pub mod signal;
@@ -53,6 +54,7 @@ pub use passwd::*;
 pub use poll::*;
 pub use poll_token_derive::*;
 pub use priority::*;
+pub use raw_fd::*;
 pub use shm::*;
 pub use signal::*;
 pub use signalfd::*;
diff --git a/sys_util/src/raw_fd.rs b/sys_util/src/raw_fd.rs
new file mode 100644
index 0000000000..05a762f289
--- /dev/null
+++ b/sys_util/src/raw_fd.rs
@@ -0,0 +1,16 @@
+// Copyright 2019 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Utility file to provide a slightly safer Fd type that cannot be confused with c_int.
+// Also useful for situations that require something that is `AsRawFd` but
+// where we don't want to store more than the fd.
+
+use std::os::unix::io::{AsRawFd, RawFd};
+
+pub struct Fd(pub RawFd);
+impl AsRawFd for Fd {
+    fn as_raw_fd(&self) -> RawFd {
+        self.0
+    }
+}