UF_TRYLCK
case UF_TRYLCK:
if (!set_state(f, UF_TRYLCK)) {
ASSERT(s & (UF_TRYLCK | UF_LOCKED | UF_UMOUNT | UF_FIXING));
case UF_TRYLCK:
case UF_TRYLCK:
if (f->uf_s & UF_TRYLCK) {
{ UF_TRYLCK, "trying to be locked", sf_nonterm_cmn,
UF_TRYLCK | UF_FIXING, { 0, 0, 0 } },
UF_TRYLCK | UF_LOCKED, { 0, 0, 0 } },
UF_QUEUE | UF_TRYLCK | UF_LOCKED | UF_UMOUNT | UF_FIXING,