xref: /netbsd-src/include/kvm.h (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: kvm.h,v 1.12 2003/08/07 09:44:10 agc 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	0x80000000
47 
48 #include <nlist.h>
49 #include <sys/cdefs.h>
50 #include <sys/types.h>
51 #include <stdio.h>
52 
53 __BEGIN_DECLS
54 
55 typedef struct __kvm kvm_t;
56 
57 struct kinfo_proc;
58 struct kinfo_proc2;
59 int	  kvm_close __P((kvm_t *));
60 int	  kvm_dump_inval __P((kvm_t *));
61 int	  kvm_dump_mkheader __P((kvm_t *, off_t));
62 int	  kvm_dump_wrtheader __P((kvm_t *, FILE *, int));
63 char	**kvm_getargv __P((kvm_t *, const struct kinfo_proc *, int));
64 char	**kvm_getargv2 __P((kvm_t *, const struct kinfo_proc2 *, int));
65 char	**kvm_getenvv __P((kvm_t *, const struct kinfo_proc *, int));
66 char	**kvm_getenvv2 __P((kvm_t *, const struct kinfo_proc2 *, int));
67 char	 *kvm_geterr __P((kvm_t *));
68 int	  kvm_getloadavg __P((kvm_t *, double [], int));
69 char	 *kvm_getfiles __P((kvm_t *, int, int, int *));
70 struct kinfo_lwp *
71 	  kvm_getlwps __P((kvm_t *, int, u_long, size_t, int *));
72 struct kinfo_proc2 *
73 	  kvm_getproc2 __P((kvm_t *, int, int, size_t, int *));
74 struct kinfo_proc *
75 	  kvm_getprocs __P((kvm_t *, int, int, int *));
76 int	  kvm_nlist __P((kvm_t *, struct nlist *));
77 kvm_t	 *kvm_open
78 	    __P((const char *, const char *, const char *, int, const char *));
79 kvm_t	 *kvm_openfiles
80 	    __P((const char *, const char *, const char *, int, char *));
81 ssize_t	  kvm_read __P((kvm_t *, u_long, void *, size_t));
82 ssize_t	  kvm_write __P((kvm_t *, u_long, const void *, size_t));
83 
84 __END_DECLS
85 
86 #endif /* !_KVM_H_ */
87