103 lines
3.1 KiB
Groff
103 lines
3.1 KiB
Groff
.\" Copyright (c) 1990, 1993
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
.\"
|
|
.\" This code is derived from software contributed to Berkeley by
|
|
.\" the Institute of Electrical and Electronics Engineers, Inc.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the University of
|
|
.\" California, Berkeley and its contributors.
|
|
.\" 4. Neither the name of the University nor the names of its contributors
|
|
.\" may be used to endorse or promote products derived from this software
|
|
.\" without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
.\" SUCH DAMAGE.
|
|
.\"
|
|
.\" @(#)mkfifo.1 8.2 (Berkeley) 1/5/94
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd January 5, 1994
|
|
.Dt MKFIFO 1
|
|
.Os
|
|
.Sh NAME
|
|
.Nm mkfifo
|
|
.Nd make fifos
|
|
.Sh SYNOPSIS
|
|
.Nm
|
|
.Op Fl m Ar mode
|
|
.Ar fifo_name ...
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
utility creates the fifos requested, in the order specified.
|
|
.Pp
|
|
The options are as follows:
|
|
.Bl -tag -width indent
|
|
.It Fl m
|
|
Set the file permission bits of the created fifos to the
|
|
specified mode, ignoring the
|
|
.Xr umask 2
|
|
of the calling process.
|
|
The
|
|
.Ar mode
|
|
argument takes any format that can be specified to the
|
|
.Xr chmod 1
|
|
command.
|
|
If a symbolic mode is specified, the op symbols
|
|
.Ql +
|
|
(plus) and
|
|
.Ql -
|
|
(hyphen) are interpreted relative to an assumed initial mode of
|
|
.Dq Li a=rw
|
|
(read and write permissions for all).
|
|
.El
|
|
.Pp
|
|
If the
|
|
.Fl m
|
|
option is not specified, fifos are created with mode
|
|
.Li 0666
|
|
modified by the
|
|
.Xr umask 2
|
|
of the calling process.
|
|
The
|
|
.Nm
|
|
utility requires write permission in the parent directory.
|
|
.Sh EXIT STATUS
|
|
.Ex -std
|
|
.Sh SEE ALSO
|
|
.Xr mkdir 1 ,
|
|
.Xr rm 1 ,
|
|
.Xr mkfifo 2 ,
|
|
.Xr mknod 2 ,
|
|
.Xr mknod 8
|
|
.Sh STANDARDS
|
|
The
|
|
.Nm
|
|
utility is expected to be
|
|
.St -p1003.2
|
|
compliant.
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
command appeared in
|
|
.Bx 4.4 .
|