kvm.h revision 121060
1/*-
2 * Copyright (c) 1989, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 *	@(#)kvm.h	8.1 (Berkeley) 6/2/93
34 * $FreeBSD: head/lib/libkvm/kvm.h 121060 2003-10-13 04:44:55Z bde $
35 */
36
37#ifndef _KVM_H_
38#define	_KVM_H_
39
40#include <sys/cdefs.h>
41#include <sys/_types.h>
42#include <nlist.h>
43
44/* Default version symbol. */
45#define	VRS_SYM		"_version"
46#define	VRS_KEY		"VERSION"
47
48#ifndef _SIZE_T_DECLARED
49typedef	__size_t	size_t;
50#define	_SIZE_T_DECLARED
51#endif
52
53#ifndef _SSIZE_T_DECLARED
54typedef	__ssize_t	ssize_t;
55#define	_SSIZE_T_DECLARED
56#endif
57
58typedef struct __kvm kvm_t;
59
60struct kinfo_proc;
61struct proc;
62
63struct kvm_swap {
64	char	ksw_devname[32];
65	int	ksw_used;
66	int	ksw_total;
67	int	ksw_flags;
68	int	ksw_reserved1;
69	int	ksw_reserved2;
70};
71
72#define SWIF_DEV_PREFIX	0x0002
73
74__BEGIN_DECLS
75int	  kvm_close(kvm_t *);
76char	**kvm_getargv(kvm_t *, const struct kinfo_proc *, int);
77char	**kvm_getenvv(kvm_t *, const struct kinfo_proc *, int);
78char	 *kvm_geterr(kvm_t *);
79char	 *kvm_getfiles(kvm_t *, int, int, int *);
80int	  kvm_getloadavg(kvm_t *, double [], int);
81struct kinfo_proc *
82	  kvm_getprocs(kvm_t *, int, int, int *);
83int	  kvm_getswapinfo(kvm_t *, struct kvm_swap *, int, int);
84int	  kvm_nlist(kvm_t *, struct nlist *);
85kvm_t	 *kvm_open
86	    (const char *, const char *, const char *, int, const char *);
87kvm_t	 *kvm_openfiles
88	    (const char *, const char *, const char *, int, char *);
89ssize_t	  kvm_read(kvm_t *, unsigned long, void *, size_t);
90ssize_t	  kvm_uread
91	    (kvm_t *, struct kinfo_proc *, unsigned long, char *, size_t);
92ssize_t	  kvm_write(kvm_t *, unsigned long, const void *, size_t);
93__END_DECLS
94
95#endif /* !_KVM_H_ */
96