xref: /netbsd/include/kvm.h (revision bf9ec67e)
1 /*	$NetBSD: kvm.h,v 1.10 2000/06/26 06:38:02 kleink 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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	@(#)kvm.h	8.1 (Berkeley) 6/2/93
36  */
37 
38 #ifndef _KVM_H_
39 #define	_KVM_H_
40 
41 /* Default version symbol. */
42 #define	VRS_SYM		"_version"
43 #define	VRS_KEY		"VERSION"
44 
45 /*
46  * Flag for kvm_open*() to disable opening of kernel files - used
47  * by programs that use only sysctl() function to access kernel
48  * information.
49  */
50 #define KVM_NO_FILES	0x80000000
51 
52 #include <nlist.h>
53 #include <sys/cdefs.h>
54 #include <sys/types.h>
55 #include <stdio.h>
56 
57 __BEGIN_DECLS
58 
59 typedef struct __kvm kvm_t;
60 
61 struct kinfo_proc;
62 struct kinfo_proc2;
63 int	  kvm_close __P((kvm_t *));
64 int	  kvm_dump_inval __P((kvm_t *));
65 int	  kvm_dump_mkheader __P((kvm_t *, off_t));
66 int	  kvm_dump_wrtheader __P((kvm_t *, FILE *, int));
67 char	**kvm_getargv __P((kvm_t *, const struct kinfo_proc *, int));
68 char	**kvm_getargv2 __P((kvm_t *, const struct kinfo_proc2 *, int));
69 char	**kvm_getenvv __P((kvm_t *, const struct kinfo_proc *, int));
70 char	**kvm_getenvv2 __P((kvm_t *, const struct kinfo_proc2 *, int));
71 char	 *kvm_geterr __P((kvm_t *));
72 int	  kvm_getloadavg __P((kvm_t *, double [], int));
73 char	 *kvm_getfiles __P((kvm_t *, int, int, int *));
74 struct kinfo_proc2 *
75 	  kvm_getproc2 __P((kvm_t *, int, int, size_t, int *));
76 struct kinfo_proc *
77 	  kvm_getprocs __P((kvm_t *, int, int, int *));
78 int	  kvm_nlist __P((kvm_t *, struct nlist *));
79 kvm_t	 *kvm_open
80 	    __P((const char *, const char *, const char *, int, const char *));
81 kvm_t	 *kvm_openfiles
82 	    __P((const char *, const char *, const char *, int, char *));
83 ssize_t	  kvm_read __P((kvm_t *, u_long, void *, size_t));
84 ssize_t	  kvm_write __P((kvm_t *, u_long, const void *, size_t));
85 
86 __END_DECLS
87 
88 #endif /* !_KVM_H_ */
89