send_handle.rs

struct SendHandle {
    handle: Handle,
    guard: Option<Guard>,
}
unsafe impl Send for SendHandle {}
impl SendHandle {
    pub fn new(handle: Handle) -> SendHandle {
        SendHandle {
            handle,
            guard: None,
        }
    }
    pub fn pin(&mut self) -> &mut Guard {
        let handle = &mut self.handle;
        self.guard.get_or_insert_with(|| handle.pin())
    }
    pub fn unpin(&mut self) {
        self.guard = None;
    }
}