1 files changed, 15 insertions, 0 deletions
diff --git a/src/platform/mod.rs b/src/platform/mod.rs
index 88f433bf..65717228 100644
--- a/src/platform/mod.rs
+++ b/src/platform/mod.rs
@@ -328,6 +328,8 @@ mod remote_bridge_tests;
 #[cfg(unix)]
 mod unix_common;
 #[cfg(unix)]
+pub(crate) mod unix_image_files;
+#[cfg(unix)]
 pub(crate) use unix_common::{
     begin_cli_output, end_cli_output, forward_remote_bridge_stdio, RemoteBridgeWake,
 };
@@ -725,3 +727,16 @@ pub(crate) fn shared_ssh_control_path(
         "interactive SSH recovery requires Unix OpenSSH multiplexing",
     ))
 }
+
+/// Kernel CoW snapshots are deliberately unsupported outside Linux.
+#[cfg(not(target_os = "linux"))]
+pub(crate) fn clone_native_image_source(
+    _source_fd: i64,
+    _destination: &std::fs::File,
+    _expected_len: usize,
+) -> std::io::Result<()> {
+    Err(std::io::Error::new(
+        std::io::ErrorKind::Unsupported,
+        "native source cloning requires Linux",
+    ))
+}