return EWOULDBLOCK on read w/ no carrier or NBIO in raw mode
authorMike Karels <karels@ucbvax.Berkeley.EDU>
Mon, 26 Sep 1983 08:24:21 +0000 (00:24 -0800)
committerMike Karels <karels@ucbvax.Berkeley.EDU>
Mon, 26 Sep 1983 08:24:21 +0000 (00:24 -0800)
commite0d1a4cb8263c79eb0824fd5fb79f4e08383a867
treef5627977670e638460f5ae9442a87077c75cef2e
parent7bfaea729285020708fe20467987417080104596
return EWOULDBLOCK on read w/ no carrier or NBIO in raw mode

SCCS-vsn: sys/kern/tty.c 6.4
usr/src/sys/kern/tty.c