1.\" Copyright (c) 2001 Evan Sarmiento. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd July 11, 2001 28.Os 29.Dt PFIND 9 30.Sh NAME 31.Nm pfind , zpfind 32.Nd locate a process by number 33.Sh SYNOPSIS 34.In sys/proc.h 35.Ft "struct proc *" 36.Fn pfind "pid_t pid" 37.Ft "struct proc *" 38.Fn zpfind "pid_t pid" 39.Sh DESCRIPTION 40.Fn pfind 41takes a 42.Fa pid 43as its argument and returns a pointer to the 44.Vt proc 45structure whose PID is specified in the argument only if the 46.Fa pid 47is on the 48.Va allproc 49list. 50.Pp 51.Fn zpfind 52takes a 53.Fa pid 54as its argument. 55If 56.Fn zpfind 57finds a process whose PID is equal to that of argument 58and is a zombie process, meaning that it must reside on the 59.Va zombproc 60list, 61.Fn zpfind 62returns a pointer to that 63.Vt proc 64structure. 65.Pp 66Both 67.Fn pfind 68and 69.Fn zpfind 70lock the 71.Vt proc 72structure that is returned using 73.Fn PROC_LOCK "p" . 74.Sh RETURN VALUES 75.Fn pfind 76and 77.Fn zpfind 78return a pointer to a 79.Vt proc 80structure on success and a 81.Dv NULL 82on failure. 83.Sh AUTHORS 84This man page was written by 85.An Evan Sarmiento Aq kaworu@sektor7.ath.cx . 86