K 10 svn:author V 7 rwatson K 8 svn:date V 27 2004-03-29T18:42:51.000000Z K 7 svn:log V 268 Lock down if_tun global variables using a new mutex, tunmtx. As with other pseudo-interfaces, break out tear-down of a softc into a separate tun_destroy() function, and invoke that from the module unloader. Hold tunmtx across manipulations of the global softc list. END