1 files changed, 37 insertions, 0 deletions
diff --git a/third_party/rust/ioctl-sys/src/lib.rs b/third_party/rust/ioctl-sys/src/lib.rs
new file mode 100644
index 0000000000..508c4cd248
--- /dev/null
+++ b/third_party/rust/ioctl-sys/src/lib.rs
@@ -0,0 +1,37 @@
+use std::os::raw::{c_int, c_ulong};
+
+#[cfg(any(target_os = "linux", target_os = "macos", target_os = "android"))]
+#[macro_use]
+mod platform;
+
+#[cfg(any(target_os = "linux", target_os = "macos", target_os = "android"))]
+pub use platform::*;
+
+extern "C" {
+    #[doc(hidden)]
+    pub fn ioctl(fd: c_int, req: c_ulong, ...) -> c_int;
+}
+
+#[doc(hidden)]
+pub fn check_res(res: c_int) -> std::io::Result<()> {
+    if res < 0 {
+        Err(std::io::Error::last_os_error())
+    } else {
+        Ok(())
+    }
+}
+
+#[cfg(not(any(target_os = "linux", target_os = "macos", target_os = "android")))]
+use platform_not_supported;
+
+#[cfg(doctest)]
+mod test_readme {
+    macro_rules! external_doc_test {
+        ($x:expr) => {
+            #[doc = $x]
+            extern "C" {}
+        };
+    }
+
+    external_doc_test!(include_str!("../../README.md"));
+}