diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/sys/open.2 | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2 index a8acb4150f9..02c0c8cb5e6 100644 --- a/lib/libc/sys/open.2 +++ b/lib/libc/sys/open.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: open.2,v 1.18 2000/10/18 05:12:10 aaron Exp $ +.\" $OpenBSD: open.2,v 1.19 2000/11/15 23:51:38 provos Exp $ .\" $NetBSD: open.2,v 1.8 1995/02/27 12:35:14 cgd Exp $ .\" .\" Copyright (c) 1980, 1991, 1993 @@ -125,6 +125,14 @@ If the .Dv O_SYNC flag is set, all I/O operations on the file will be done syncronously. .Pp +A fifo should either be opened with +.Dv O_RDONLY +or with +.Dv O_WRONLY . +The behavior for opening a fifo with +.Dv O_RDWR +is undefined. +.Pp When opening a file, a lock with .Xr flock 2 semantics can be obtained by setting |