diff options
| -rw-r--r-- | sys/kern/tty_ttydisc.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/sys/kern/tty_ttydisc.c b/sys/kern/tty_ttydisc.c index 6d36de4..52a5df2 100644 --- a/sys/kern/tty_ttydisc.c +++ b/sys/kern/tty_ttydisc.c @@ -149,10 +149,10 @@ ttydisc_read_canonical(struct tty *tp, struct uio *uio, int ioflag) /* No more data. */ if (clen == 0) { - if (ioflag & IO_NDELAY) - return (EWOULDBLOCK); - else if (tp->t_flags & TF_ZOMBIE) + if (tp->t_flags & TF_ZOMBIE) return (0); + else if (ioflag & IO_NDELAY) + return (EWOULDBLOCK); error = tty_wait(tp, &tp->t_inwait); if (error) @@ -200,10 +200,10 @@ ttydisc_read_raw_no_timer(struct tty *tp, struct uio *uio, int ioflag) return (0); /* We have to wait for more. */ - if (ioflag & IO_NDELAY) - return (EWOULDBLOCK); - else if (tp->t_flags & TF_ZOMBIE) + if (tp->t_flags & TF_ZOMBIE) return (0); + else if (ioflag & IO_NDELAY) + return (EWOULDBLOCK); error = tty_wait(tp, &tp->t_inwait); if (error) @@ -248,10 +248,10 @@ ttydisc_read_raw_read_timer(struct tty *tp, struct uio *uio, int ioflag, * We have to wait for more. If the timer expires, we * should return a 0-byte read. */ - if (ioflag & IO_NDELAY) - return (EWOULDBLOCK); - else if (tp->t_flags & TF_ZOMBIE) + if (tp->t_flags & TF_ZOMBIE) return (0); + else if (ioflag & IO_NDELAY) + return (EWOULDBLOCK); error = tty_timedwait(tp, &tp->t_inwait, hz); if (error) @@ -293,10 +293,10 @@ ttydisc_read_raw_interbyte_timer(struct tty *tp, struct uio *uio, int ioflag) break; /* We have to wait for more. */ - if (ioflag & IO_NDELAY) - return (EWOULDBLOCK); - else if (tp->t_flags & TF_ZOMBIE) + if (tp->t_flags & TF_ZOMBIE) return (0); + else if (ioflag & IO_NDELAY) + return (EWOULDBLOCK); error = tty_wait(tp, &tp->t_inwait); if (error) |
