24     let (rd, wr) = pipe().unwrap();  in test_sendfile_linux()
26     let res = sendfile(wr, tmp.as_raw_fd(), Some(&mut offset), 2).unwrap();  in test_sendfile_linux()
36     close(wr).unwrap();  in test_sendfile_linux()
46     let (rd, wr) = pipe().unwrap();  in test_sendfile64_linux()
48     let res = sendfile64(wr, tmp.as_raw_fd(), Some(&mut offset), 2).unwrap();  in test_sendfile64_linux()
58     close(wr).unwrap();  in test_sendfile64_linux()
82     let (mut rd, wr) = UnixStream::pair().unwrap();  in test_sendfile_freebsd()
87         wr.as_raw_fd(),  in test_sendfile_freebsd()
96     wr.shutdown(Shutdown::Both).unwrap();  in test_sendfile_freebsd()
133     let (mut rd, wr) = UnixStream::pair().unwrap();  in test_sendfile_dragonfly()
138         wr.as_raw_fd(),  in test_sendfile_dragonfly()
145     wr.shutdown(Shutdown::Both).unwrap();  in test_sendfile_dragonfly()
182     let (mut rd, wr) = UnixStream::pair().unwrap();  in test_sendfile_darwin()
187         wr.as_raw_fd(),  in test_sendfile_darwin()
194     wr.shutdown(Shutdown::Both).unwrap();  in test_sendfile_darwin()