Initial commit of rnd devices' manual.

2 files changed, 70 insertions, 1 deletions

diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
index 34f105a22f9..00a513df8ed 100644
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -3,10 +3,11 @@
 
 MAN=	audio.4 bpf.4 ccd.4 clnp.4 cltp.4 ddb.4 drum.4 esis.4 fd.4 icmp.4 \
 	idp.4 imp.4 inet.4 ip.4 iso.4 lkm.4 lo.4 netintro.4 ns.4 nsip.4 \
-	null.4 pty.4 route.4 spp.4 tb.4 tcp.4 termios.4 tty.4 tp.4 udp.4 \
+	null.4 pty.4 rnd.4 route.4 spp.4 tb.4 tcp.4 termios.4 tty.4 tp.4 udp.4 \
 	unix.4 vnd.4
 MLINKS+=fd.4 stderr.4 fd.4 stdin.4 fd.4 stdout.4
 MLINKS+=netintro.4 networking.4
+MLINKS+=rnd.4 srnd.4 rnd.4 urnd.4 rnd.4 prnd.4
 SUBDIR=	man4.amiga man4.atari man4.hp300 man4.i386 man4.mac68k man4.pc532 \
 	man4.sparc man4.sun3 man4.tahoe man4.vax
 
diff --git a/share/man/man4/rnd.4 b/share/man/man4/rnd.4
new file mode 100644
index 00000000000..239dc0c3e15
--- /dev/null
+++ b/share/man/man4/rnd.4
@@ -0,0 +1,68 @@
+.\"	$OpenBSD: rnd.4,v 1.1 1996/03/29 13:29:33 mickey Exp $
+.\"
+.\" Copyright (c) 1996 Michael Shalayeff
+.\"
+.\" 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 Michael Shalayeff.
+.\" 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.
+.\"
+.Dd March 25, 1996
+.Dt RND 4
+.Os OpenBSD
+.Sh NAME
+.Nm rnd
+.Nm srnd
+.Nm urnd
+.Nm prnd
+.Nd random data source devices.
+.Sh SYNOPSIS
+.Cd "pseudo-device rnd"
+.Sh DESCRIPTION
+The
+.Nm
+device produces random data, with different random quality.
+{s,u}rnd devices generates random data based on the system activity
+(like disk and network devices).
+.Pp
+.Bl -hang -width Ds
+.It rnd
+reserved for nuclear noise generators.
+.It srnd
+strong random data.
+.It urnd
+same as above, but does not guaranties the data to be strong.
+.It prnd
+simple pseudo-random generator (as it is in the kernel).
+.Sh SEE ALSO
+rnd(9)
+.Sh FILES
+.Bl -tag -width /dev/rnd, /dev/srnd, /dev/urnd, /dev/prnd
+.It Pa /dev/rnd, /dev/srnd, /dev/urnd, /dev/prnd
+.El
+.Sh HISTORY
+An
+.Nm
+device appeared in Linux operating system.