Lines Matching defs:lock
221 char *lock, *unlock ;
222 int lockfd, /* lock device */
372 /* map the lock page */
373 lock = (char *)mmap(0,
379 if (lock == (char *)-1) {
384 return errret("can't map lock page",tmp.cm_devname) ;
386 cmap_grab->cm_lockp = (u_int *) lock ;
405 if( _dga_winlockat(cookie, &lock, &unlock) != 0 ) {
410 return errret("can't get lock pages", fn) ;
412 cmap_grab->cm_lockp = (u_int *) lock ;
1020 /* structure for allocating lock contexts. The identification