Previously it was possible for this to race. It turns out we really don't need to set anything to -1 anyway.  | 
			||
|---|---|---|
| .. | ||
| wintun | ||
| operateonfd.go | ||
| tun_darwin.go | ||
| tun_freebsd.go | ||
| tun_linux.go | ||
| tun_openbsd.go | ||
| tun_windows.go | ||
| tun.go | ||
				Previously it was possible for this to race. It turns out we really don't need to set anything to -1 anyway.  | 
			||
|---|---|---|
| .. | ||
| wintun | ||
| operateonfd.go | ||
| tun_darwin.go | ||
| tun_freebsd.go | ||
| tun_linux.go | ||
| tun_openbsd.go | ||
| tun_windows.go | ||
| tun.go | ||