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freebsd-nq/share/man/man9/at_fork.9

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Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
.\"
.\" Copyright (c) 1996 Julian Elischer
.\"
.\" 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.
.\"
$Id$ -> $FreeBSD$
1999-08-28 00:22:10 +00:00
.\" $FreeBSD$
Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
.\" "
.Dd August 15, 1996
.Os
.Dt AT_FORK 9
.Sh NAME
.Nm at_fork ,
.Nm rm_at_fork
mdoc(7) police: normalize .Nd.
2001-04-18 15:54:10 +00:00
.Nd ask that a function be run at fork
Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
.Sh SYNOPSIS
Fixed #include and/or prototype bugs in synopsis.
1997-04-13 14:49:13 +00:00
.Fd #include <sys/types.h>
Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
.Fd #include <sys/systm.h>
mdoc(7) police: Ft/Vt now accept punctuation-type arguments.
2001-01-12 15:46:56 +00:00
.Ft "typedef void" ( *forklist_fn )
.Fa ( "struct proc*" , "struct proc*" , int ) ;
Add a .Pp between the forklist_fn typedef and the at_fork prototype.
2000-04-19 02:43:04 +00:00
.Pp
Fixed #include and/or prototype bugs in synopsis.
1997-04-13 14:49:13 +00:00
.Ft int
Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
.Fn at_fork "forklist_fn func"
Fixed #include and/or prototype bugs in synopsis.
1997-04-13 14:49:13 +00:00
.Ft int
Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
.Fn rm_at_fork "forklist_fn func"
.Sh DESCRIPTION
The
mdoc(7) police: use the new features of the Nm macro.
2000-11-20 18:41:33 +00:00
.Nm
Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
facility allows a kernel module to ensure that it is notified
at any process fork.
The function
Style fixes.
1997-02-14 07:47:37 +00:00
.Fa func
Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
is called with the a pointer to the forking process's proc structure,
a pointer to the child's process structure and a flag word,
as used in
.Xr rfork 2
to indicate the type of fork.
.Pp
If the requirement for notification is removed, then the function
Style fixes.
1997-02-14 07:47:37 +00:00
.Fn rm_at_fork
Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
must be called with the exact
Style fixes.
1997-02-14 07:47:37 +00:00
.Fa func
Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
argument as the corresponding call to
.Fn at_fork .
.Sh RETURN VALUES
Style fixes.
1997-02-14 07:47:37 +00:00
.Fn at_fork
Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
returns an errno, 0 meaning success.
Style fixes.
1997-02-14 07:47:37 +00:00
.Fn rm_at_fork
Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
returns the number of items removed (should be 0 or 1).
.Sh SEE ALSO
.Xr fork 2
.Sh HISTORY
The
Style fixes.
1997-02-14 07:47:37 +00:00
.Fn at_fork
function appeared in
Use the .Fx macro to reference FreeBSD versions in several newer man pages. For those of you that don't know, here is an example of how the .Fx macro is used: The xyzzy command first appeared in .Fx 2.2 . Will expand to: The xyzzy command first appeared in FreeBSD 2.2.
1996-08-21 21:43:28 +00:00
.Fx 2.2 .
Add man-pages for at_exit, at_fork and at_shutdown() so that people can look and comment. I'll add the at_fork and at_exit immediatly, but I'll add teh at_shutdown later as it's more extensive and I desire people's comments.. julian
1996-08-19 02:22:15 +00:00
.Sh AUTHORS
The function was written by
.Sh AUTHOR -> .Sh AUTHORS according to mdoc specs. Use .An/.Aq.
1998-03-12 07:31:21 +00:00
.An Julian Elischer Aq julian@FreeBSD.org .
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