Vendor things

third-party/vendor/mio/src/sys/windows/handle.rs

@@ -0,0 +1,30 @@
+use std::os::windows::io::RawHandle;
+use windows_sys::Win32::Foundation::{CloseHandle, HANDLE};
+
+/// Wrapper around a Windows HANDLE so that we close it upon drop in all scenarios
+#[derive(Debug)]
+pub struct Handle(HANDLE);
+
+impl Handle {
+    #[inline]
+    pub fn new(handle: HANDLE) -> Self {
+        Self(handle)
+    }
+
+    pub fn raw(&self) -> HANDLE {
+        self.0
+    }
+
+    pub fn into_raw(self) -> RawHandle {
+        let ret = self.0;
+        // This is super important so that drop is not called!
+        std::mem::forget(self);
+        ret as RawHandle
+    }
+}
+
+impl Drop for Handle {
+    fn drop(&mut self) {
+        unsafe { CloseHandle(self.0) };
+    }
+}