1.\" $NetBSD: kvm_getfiles.3,v 1.11 2009/03/10 23:49:07 joerg Exp $ 2.\" 3.\" Copyright (c) 1992, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software developed by the Computer Systems 7.\" Engineering group at Lawrence Berkeley Laboratory under DARPA contract 8.\" BG 91-66 and contributed to Berkeley. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)kvm_getfiles.3 8.2 (Berkeley) 4/19/94 35.\" 36.Dd April 19, 1994 37.Dt KVM_GETFILES 3 38.Os 39.Sh NAME 40.Nm kvm_getfiles 41.Nd survey open files 42.Sh LIBRARY 43.Lb libkvm 44.Sh SYNOPSIS 45.In kvm.h 46.In sys/kinfo.h 47.Fd #define _KERNEL 48.In sys/file.h 49.Fd #undef _KERNEL 50.\" .Fa kvm_t *kd 51.Ft char * 52.Fn kvm_getfiles "kvm_t *kd" "int op" "int arg" "int *cnt" 53.Sh DESCRIPTION 54.Fn kvm_getfiles 55returns a (sub-)set of the open files in the kernel indicated by 56.Fa kd . 57The 58.Fa op 59and 60.Fa arg 61arguments constitute a predicate which limits the set of files 62returned. 63No predicates are currently defined. 64.Pp 65The number of processes found is returned in the reference parameter 66.Fa cnt . 67The files are returned as a contiguous array of file structures, 68preceded by the address of the first file entry in the kernel. 69This memory is owned by kvm and is not guaranteed to be persistent across 70subsequent kvm library calls. 71Data should be copied out if it needs to be saved. 72.Sh RETURN VALUES 73.Fn kvm_getfiles 74will return 75.Dv NULL 76on failure. 77.Sh SEE ALSO 78.Xr kvm 3 , 79.Xr kvm_close 3 , 80.Xr kvm_geterr 3 , 81.Xr kvm_nlist 3 , 82.Xr kvm_open 3 , 83.Xr kvm_openfiles 3 , 84.Xr kvm_read 3 , 85.Xr kvm_write 3 86.Sh BUGS 87This routine does not belong in the kvm interface. 88