$NetBSD: proc_find.9,v 1.1 2010/07/01 14:54:44 jruoho Exp $
Copyright (c) 2010 The NetBSD Foundation, Inc.
All rights reserved.
This code is derived from software contributed to The NetBSD Foundation
by Jukka Ruohonen.
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
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THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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
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.Dd July 1, 2010 .Dt PROC_FIND 9 .Os .Sh NAME .Nm proc_find , .Nm pgrp_find .Nd find process or process group .Sh SYNOPSIS n sys/proc.h .Ft struct proc * .Fn proc_find "pid_t pid" .Ft struct pgrp * .Fn pgrp_find "pid_t pgid"
Copyright (c) 2010 The NetBSD Foundation, Inc.
All rights reserved.
This code is derived from software contributed to The NetBSD Foundation
by Jukka Ruohonen.
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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 July 1, 2010 .Dt PROC_FIND 9 .Os .Sh NAME .Nm proc_find , .Nm pgrp_find .Nd find process or process group .Sh SYNOPSIS n sys/proc.h .Ft struct proc * .Fn proc_find "pid_t pid" .Ft struct pgrp * .Fn pgrp_find "pid_t pgid"
p .Va extern kmutex_t *proc_lock; .Sh DESCRIPTION The .Fn proc_find and .Fn pgrp_find functions retrieve process and process group structures from process .Tn ID .Fa pid and process group .Tn ID .Fa pgid . Both functions must be called by holding a .Xr mutex 9 on .Va proc_lock . .Sh RETURN VALUES Upon successful completion, the described functions return a pointer to either .Em struct proc or .Em struct pgrp . Otherwise, if the requested .Tn ID was not found, .Dv NULL is returned. .Sh SEE ALSO .Xr curproc 9
Indexes created Sun Sep 21 15:09:59 GMT 2025