kvm.h revision 1.12 
1/*	$OpenBSD: kvm.h,v 1.12 2004/09/14 22:39:56 deraadt 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. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 *	@(#)kvm.h	8.1 (Berkeley) 6/2/93
33 */
34
35#ifndef _KVM_H_
36#define	_KVM_H_
37
38/* Default version symbol. */
39#define	VRS_SYM		"_version"
40#define	VRS_KEY		"VERSION"
41
42/*
43 * Flag for kvm_open* that disables opening of any files. We're just
44 * interested in a handle to run sysctls.
45 */
46#define KVM_NO_FILES	0x80000000
47
48#include <nlist.h>
49#include <sys/cdefs.h>
50#include <stdio.h>
51
52__BEGIN_DECLS
53
54typedef struct __kvm kvm_t;
55
56struct kinfo_proc;
57struct kinfo_proc2;
58int	  kvm_close(kvm_t *);
59int	  kvm_dump_inval(kvm_t *);
60int	  kvm_dump_mkheader(kvm_t *, off_t);
61int	  kvm_dump_wrtheader(kvm_t *, FILE *, int);
62char	**kvm_getargv(kvm_t *, const struct kinfo_proc *, int);
63char	**kvm_getargv2(kvm_t *, const struct kinfo_proc2 *, int);
64char	**kvm_getenvv(kvm_t *, const struct kinfo_proc *, int);
65char	**kvm_getenvv2(kvm_t *, const struct kinfo_proc2 *, int);
66char	 *kvm_geterr(kvm_t *);
67int	  kvm_getloadavg(kvm_t *, double [], int);
68char	 *kvm_getfiles(kvm_t *, int, int, int *);
69struct kinfo_proc *
70	  kvm_getprocs(kvm_t *, int, int, int *);
71struct kinfo_proc2 *
72	  kvm_getproc2(kvm_t *, int, int, size_t, int *);
73int	  kvm_nlist(kvm_t *, struct nlist *);
74kvm_t	 *kvm_open(const char *, const char *, const char *, int, const char *);
75kvm_t	 *kvm_openfiles(const char *, const char *, const char *,
76	        unsigned int, char *);
77ssize_t	  kvm_read(kvm_t *, unsigned long, void *, size_t)
78		__attribute__((__bounded__(__buffer__,3,4)));
79ssize_t	  kvm_write(kvm_t *, unsigned long, const void *, size_t)
80		__attribute__((__bounded__(__buffer__,3,4)));
81
82__END_DECLS
83
84#endif /* !_KVM_H_ */
85