kvm.h revision 1.5
1/*	$OpenBSD: kvm.h,v 1.5 2002/06/08 22:31:24 art Exp $	*/
2/*	$NetBSD: kvm.h,v 1.7 1996/04/19 12:02:50 leo Exp $	*/
3
4/*-
5 * Copyright (c) 1989, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 *	@(#)kvm.h	8.1 (Berkeley) 6/2/93
37 */
38
39#ifndef _KVM_H_
40#define	_KVM_H_
41
42/* Default version symbol. */
43#define	VRS_SYM		"_version"
44#define	VRS_KEY		"VERSION"
45
46/*
47 * Flag for kvm_open* that disables opening of any files. We're just
48 * interested in a handle to run sysctls.
49 */
50#define KVM_NO_FILES	0x80000000
51
52#include <nlist.h>
53#include <sys/cdefs.h>
54#include <stdio.h>
55
56__BEGIN_DECLS
57
58typedef struct __kvm kvm_t;
59
60struct kinfo_proc;
61int	  kvm_close(kvm_t *);
62int	  kvm_dump_inval(kvm_t *);
63int	  kvm_dump_mkheader(kvm_t *, off_t);
64int	  kvm_dump_wrtheader(kvm_t *, FILE *, int);
65char	**kvm_getargv(kvm_t *, const struct kinfo_proc *, int);
66char	**kvm_getenvv(kvm_t *, const struct kinfo_proc *, int);
67char	 *kvm_geterr(kvm_t *);
68int	  kvm_getloadavg(kvm_t *, double [], int);
69char	 *kvm_getfiles(kvm_t *, int, int, int *);
70struct kinfo_proc *
71	  kvm_getprocs(kvm_t *, int, int, int *);
72int	  kvm_nlist(kvm_t *, struct nlist *);
73kvm_t	 *kvm_open
74(const char *, const char *, const char *, int, const char *);
75kvm_t	 *kvm_openfiles
76(const char *, const char *, const char *, int, char *);
77ssize_t	  kvm_read(kvm_t *, u_long, void *, size_t);
78ssize_t	  kvm_write(kvm_t *, u_long, const void *, size_t);
79
80__END_DECLS
81
82#endif /* !_KVM_H_ */
83