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.\" $OpenBSD: kvm_getfiles.3,v 1.3 1998/08/06 21:23:00 kstailey Exp $
.\" $NetBSD: kvm_getfiles.3,v 1.3 1996/03/18 22:33:23 thorpej Exp $
.\"
.\" Copyright (c) 1992, 1993
.\" The Regents of the University of California. All rights reserved.
.\"
.\" This code is derived from software developed by the Computer Systems
.\" Engineering group at Lawrence Berkeley Laboratory under DARPA contract
.\" BG 91-66 and contributed to Berkeley.
.\"
.\" 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 the University of
.\" California, Berkeley and its contributors.
.\" 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.
.\"
.\" @(#)kvm_getfiles.3 8.2 (Berkeley) 4/19/94
.\"
.Dd April 19, 1994
.Dt KVM_GETFILES 3
.Os
.Sh NAME
.Nm kvm_getfiles
.Nd survey open files
.Sh SYNOPSIS
.Fd #include <kvm.h>
.Fd #define _KERNEL
.Fd #include <sys/file.h>
.Fd #undef _KERNEL
.\" .Fa kvm_t *kd
.br
.Ft char *
.Fn kvm_getfiles "kvm_t *kd" "int op" "int arg" "int *cnt"
.Sh DESCRIPTION
.Fn kvm_getfiles
returns a (sub-)set of the open files in the kernel indicated by
.Fa kd.
The
.Fa op
and
.Fa arg
arguments constitute a predicate which limits the set of files
returned. No predicates are currently defined.
.Pp
The number of processes found is returned in the reference parameter
.Fa cnt .
The files are returned as a contiguous array of file structures,
preceded by the address of the first file entry in the kernel.
This memory is owned by kvm and is not guaranteed to be persistent across
subsequent kvm library calls. Data should be copied out if it needs to be
saved.
.Sh RETURN VALUES
.Fn kvm_getfiles
will return NULL on failure.
.Pp
.Sh BUGS
This routine does not belong in the kvm interface.
.Sh SEE ALSO
.Xr kvm 3 ,
.Xr kvm_open 3 ,
.Xr kvm_openfiles 3 ,
.Xr kvm_close 3 ,
.Xr kvm_read 3 ,
.Xr kvm_write 3 ,
.Xr kvm_nlist 3 ,
.Xr kvm_geterr 3
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