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Aucbvax.4333 net.2bsd-bugs utzoo!decvax!ucbvax!dist2 Thu Oct 8 19:17:22 1981 FIX: to kernel/sys/dev/dhdm.c and kernel/sys/dev/dz.c Although kernel/src/cmd/stty.c supports the LNOHANG local mode bit, the drivers themselves ignored its state. The fixes necessary to make them work correctly are:

diff kernel/sys/dev/dhdm.c.old kernel/sys/dev/dhdm.c 116c116,117 t_state&WOPEN)==0) { --- > if ((tp->t_state&WOPEN)==0 && > (tp->t_local&LNOHANG)==0) {

diff kernel/sys/dev/dz.c.old kernel/sys/dev/dz.c 304c304,305 t_state&CARR_ON) { --- > if ((tp->t_state&CARR_ON) && > (tp->t_local&LNOHANG)==0) {

These fixes should be applied to all tapes written before 10/9/81.

Carl

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