xref: /netbsd/include/kvm.h (revision 2720ce68)
1 /*	$NetBSD: kvm.h,v 1.17 2016/01/22 21:55:57 dholland 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	((int)0x80000000)
47 
48 #include <nlist.h>
49 #include <sys/cdefs.h>
50 #include <sys/types.h>
51 #include <stdbool.h>
52 #include <stdio.h>
53 
54 __BEGIN_DECLS
55 
56 typedef struct __kvm kvm_t;
57 
58 struct kinfo_proc;
59 struct kinfo_proc2;
60 int	  kvm_close(kvm_t *);
61 int	  kvm_dump_inval(kvm_t *);
62 int	  kvm_dump_mkheader(kvm_t *, off_t);
63 int	  kvm_dump_header(kvm_t *, bool (*)(void *, const void *, size_t),
64 			  void *, int);
65 int	  kvm_dump_wrtheader(kvm_t *, FILE *, int);
66 char	**kvm_getargv(kvm_t *, const struct kinfo_proc *, int);
67 char	**kvm_getargv2(kvm_t *, const struct kinfo_proc2 *, int);
68 char	**kvm_getenvv(kvm_t *, const struct kinfo_proc *, int);
69 char	**kvm_getenvv2(kvm_t *, const struct kinfo_proc2 *, int);
70 char	 *kvm_geterr(kvm_t *);
71 int	  kvm_getloadavg(kvm_t *, double [], int);
72 char	 *kvm_getfiles(kvm_t *, int, int, int *);
73 struct kinfo_lwp *
74 	  kvm_getlwps(kvm_t *, int, unsigned long, size_t, int *);
75 struct kinfo_proc2 *
76 	  kvm_getproc2(kvm_t *, int, int, size_t, int *);
77 struct kinfo_proc *
78 	  kvm_getprocs(kvm_t *, int, int, int *);
79 int	  kvm_nlist(kvm_t *, struct nlist *);
80 kvm_t	 *kvm_open
81 	    (const char *, const char *, const char *, int, const char *);
82 kvm_t	 *kvm_openfiles(const char *, const char *, const char *, int, char *);
83 ssize_t	  kvm_read(kvm_t *, unsigned long, void *, size_t);
84 ssize_t	  kvm_write(kvm_t *, unsigned long, const void *, size_t);
85 const char *kvm_getkernelname(kvm_t *);
86 
87 __END_DECLS
88 
89 #endif /* !_KVM_H_ */
90