diff options
| author |   deraadt <deraadt@openbsd.org> | 1996-11-04 03:28:07 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 1996-11-04 03:28:07 +0000 |
| commit | ab7e447bda450a848ae1be8ab04e387b268f5c27 (patch) | |
| tree | d85801e103f6eb0c20d32c67610b93ef37154006 /sys/kern/tty.c | |
| parent | Redo access time change; it should be updated on a read of 0 bytes when (diff) | |
| download | wireguard-openbsd-ab7e447bda450a848ae1be8ab04e387b268f5c27.tar.xz wireguard-openbsd-ab7e447bda450a848ae1be8ab04e387b268f5c27.zip | |
If VMIN=0, and timer>0 and expires, read should return 0
Diffstat (limited to 'sys/kern/tty.c')
| -rw-r--r-- | sys/kern/tty.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/tty.c b/sys/kern/tty.c index 96f3c475b02..77f82a3e2a3 100644 --- a/sys/kern/tty.c +++ b/sys/kern/tty.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tty.c,v 1.11 1996/10/19 13:26:01 mickey Exp $ */ +/* $OpenBSD: tty.c,v 1.12 1996/11/04 03:28:07 deraadt Exp $ */ /* $NetBSD: tty.c,v 1.68.4.2 1996/06/06 16:04:52 thorpej Exp $ */ /*- @@ -1345,6 +1345,8 @@ sleep: error = ttysleep(tp, &tp->t_rawq, TTIPRI | PCATCH, carrier ? ttyin : ttopen, slp); splx(s); + if (cc[VMIN] == 0 && error == EWOULDBLOCK) + return (0); if (error && error != EWOULDBLOCK) return (error); goto loop; |