xref: /illumos-gate/usr/src/man/man4d/full.4d (revision bbf215553c7233fbab8a0afdf1fac74c44781867)
1*bbf21555SRichard Lowe.\"
2*bbf21555SRichard Lowe.\" This file and its contents are supplied under the terms of the
3*bbf21555SRichard Lowe.\" Common Development and Distribution License ("CDDL"), version 1.0.
4*bbf21555SRichard Lowe.\" You may only use this file in accordance with the terms of version
5*bbf21555SRichard Lowe.\" 1.0 of the CDDL.
6*bbf21555SRichard Lowe.\"
7*bbf21555SRichard Lowe.\" A full copy of the text of the CDDL should have accompanied this
8*bbf21555SRichard Lowe.\" source.  A copy of the CDDL is also available via the Internet at
9*bbf21555SRichard Lowe.\" http://www.illumos.org/license/CDDL.
10*bbf21555SRichard Lowe.\"
11*bbf21555SRichard Lowe.\" Copyright 2017 James S Blachly, MD <james.blachly@gmail.com>
12*bbf21555SRichard Lowe.
13*bbf21555SRichard Lowe.Dd "Feb 7, 2017"
14*bbf21555SRichard Lowe.Dt FULL 4D
15*bbf21555SRichard Lowe.Os
16*bbf21555SRichard Lowe.Sh NAME
17*bbf21555SRichard Lowe.Nm full
18*bbf21555SRichard Lowe.Nd always-full device
19*bbf21555SRichard Lowe.Sh SYNOPSIS
20*bbf21555SRichard Lowe.Pa /dev/full
21*bbf21555SRichard Lowe.Sh DESCRIPTION
22*bbf21555SRichard LoweThe
23*bbf21555SRichard Lowe.Nm
24*bbf21555SRichard Lowedevice is used to test program behavior in out-of-space conditions.
25*bbf21555SRichard Lowe.Lp
26*bbf21555SRichard LoweWrites always yield the error
27*bbf21555SRichard Lowe.Er ENOSPC.
28*bbf21555SRichard Lowe.Lp
29*bbf21555SRichard LoweReads supply an endless stream of zeros, identical to
30*bbf21555SRichard Lowe.Xr zero 4D
31*bbf21555SRichard Lowe.Lp
32*bbf21555SRichard Lowe.Xr lseek 2
33*bbf21555SRichard Lowewill always return successfully.
34*bbf21555SRichard Lowe.Lp
35*bbf21555SRichard Lowe.Xr mmap 2
36*bbf21555SRichard Loweis not implemented.
37*bbf21555SRichard Lowe.Sh FILES
38*bbf21555SRichard Lowe.
39*bbf21555SRichard Lowe.Bl -tag -width Pa
40*bbf21555SRichard Lowe.It Pa /dev/full
41*bbf21555SRichard Lowe.El
42*bbf21555SRichard Lowe.
43*bbf21555SRichard Lowe.Sh SEE ALSO
44*bbf21555SRichard Lowe.Xr mem 4D ,
45*bbf21555SRichard Lowe.Xr null 4D ,
46*bbf21555SRichard Lowe.Xr zero 4D
47