Add some very crude man pages to try to induce folk to work on them.

Agreed to work on them:	jasone

1 files changed, 69 insertions, 0 deletions

diff --git a/share/man/man9/kthread.9 b/share/man/man9/kthread.9
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+.\" Copyright (c) 2000
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" All rights reserved.
+.\"
+.\" 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``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 DEVELOPERS 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.
+.\"
+.\" $FreeBSD$
+.\"
+.Dt KTHREAD 9
+.Os FreeBSD
+.Sh NAME
+.Nm kthread_start ,
+.Nm kthread_create ,
+.Nm kthread_exit ,
+.Nm suspend_kproc ,
+.Nm resume_kproc
+.Nd kernel threads
+.Sh SYNOPSIS
+.Fd #include <sys/kthread.h>
+.Ft void
+.Fn kproc_start "const void *udata"
+.Ft int
+.Fn kthread_create "void (*func)(void *)" "void *arg" "struct proc **newpp" "const char *fmt" "..."
+.Ft void
+.Fn kthread_exit "int ecode"
+.Ft int
+.Fn suspend_kproc "struct proc *p" "int timo"
+.Ft int
+.Fn resume_kproc "struct proc *p"
+.Sh DESCRIPTION
+.Pp
+The function
+.Fn kproc_start
+is used to start "internal" daemons and intended to be called from
+.Fn SYSINIT 9 .
+The function
+.Fn kthread_create
+is used to reate a kernel process/thread.
+It shares its address space with proc0; kernel only.
+The function
+.Fn kthread_exit
+is used to terminate kernel processes/threads.
+To suspend and resume a kernel thread/process, the functions
+.Fn suspend_kproc
+and
+.Fn resume_kproc
+are used.
+Participation in this scheme is voluntary.
+.Sh SEE ALSO
+.Xr SYSINIT 9