1/*	$NetBSD: kvm.h,v 1.17 2016/01/22 21:55:57 dholland Exp $	*/
2
3/*-
4 * Copyright (c) 1989, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 *	@(#)kvm.h	8.1 (Berkeley) 6/2/93
32 */
33
34#ifndef _KVM_H_
35#define	_KVM_H_
36
37/* Default version symbol. */
38#define	VRS_SYM		"_version"
39#define	VRS_KEY		"VERSION"
40
41/*
42 * Flag for kvm_open*() to disable opening of kernel files - used
43 * by programs that use only sysctl() function to access kernel
44 * information.
45 */
46#define KVM_NO_FILES	((int)0x80000000)
47
48#include <nlist.h>
49#include <sys/cdefs.h>
50#include <sys/types.h>
51#include <stdbool.h>
52#include <stdio.h>
53
54__BEGIN_DECLS
55
56typedef struct __kvm kvm_t;
57
58struct kinfo_proc;
59struct kinfo_proc2;
60int	  kvm_close(kvm_t *);
61int	  kvm_dump_inval(kvm_t *);
62int	  kvm_dump_mkheader(kvm_t *, off_t);
63int	  kvm_dump_header(kvm_t *, bool (*)(void *, const void *, size_t),
64			  void *, int);
65int	  kvm_dump_wrtheader(kvm_t *, FILE *, int);
66char	**kvm_getargv(kvm_t *, const struct kinfo_proc *, int);
67char	**kvm_getargv2(kvm_t *, const struct kinfo_proc2 *, int);
68char	**kvm_getenvv(kvm_t *, const struct kinfo_proc *, int);
69char	**kvm_getenvv2(kvm_t *, const struct kinfo_proc2 *, int);
70char	 *kvm_geterr(kvm_t *);
71int	  kvm_getloadavg(kvm_t *, double [], int);
72char	 *kvm_getfiles(kvm_t *, int, int, int *);
73struct kinfo_lwp *
74	  kvm_getlwps(kvm_t *, int, unsigned long, size_t, int *);
75struct kinfo_proc2 *
76	  kvm_getproc2(kvm_t *, int, int, size_t, int *);
77struct kinfo_proc *
78	  kvm_getprocs(kvm_t *, int, int, int *);
79int	  kvm_nlist(kvm_t *, struct nlist *);
80kvm_t	 *kvm_open
81	    (const char *, const char *, const char *, int, const char *);
82kvm_t	 *kvm_openfiles(const char *, const char *, const char *, int, char *);
83ssize_t	  kvm_read(kvm_t *, unsigned long, void *, size_t);
84ssize_t	  kvm_write(kvm_t *, unsigned long, const void *, size_t);
85const char *kvm_getkernelname(kvm_t *);
86
87__END_DECLS
88
89#endif /* !_KVM_H_ */
90