xref: /dragonfly/lib/libkvm/kvm.h (revision 655933d6)
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. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  *	@(#)kvm.h	8.1 (Berkeley) 6/2/93
30  * $FreeBSD: src/lib/libkvm/kvm.h,v 1.11 1999/08/27 23:44:50 peter Exp $
31  */
32 
33 #ifndef _KVM_H_
34 #define	_KVM_H_
35 
36 #include <sys/cdefs.h>
37 #include <sys/types.h>
38 #include <nlist.h>
39 
40 /* Default version symbol. */
41 #define	VRS_SYM		"_version"
42 #define	VRS_KEY		"VERSION"
43 
44 typedef struct __kvm kvm_t;
45 
46 struct kinfo_file;
47 struct kinfo_proc;
48 struct nchstats;
49 struct proc;
50 struct vm_map;
51 struct vm_map_entry;
52 
53 struct kvm_swap {
54 	char	ksw_devname[64];
55 	u_int	ksw_used;
56 	u_int	ksw_total;
57 	int	ksw_flags;
58 	u_int	ksw_reserved1;
59 	u_int	ksw_reserved2;
60 };
61 
62 #define SWIF_DUMP_TREE	0x0001
63 #define SWIF_DEV_PREFIX	0x0002
64 
65 __BEGIN_DECLS
66 int	  kvm_close (kvm_t *);
67 char	**kvm_getargv (kvm_t *, const struct kinfo_proc *, int);
68 char	**kvm_getenvv (kvm_t *, const struct kinfo_proc *, int);
69 char	 *kvm_geterr (kvm_t *);
70 struct kinfo_file *
71 	  kvm_getfiles (kvm_t *, int, int, int *);
72 int	  kvm_getloadavg (kvm_t *, double [], int);
73 struct kinfo_proc *
74 	  kvm_getprocs (kvm_t *, int, int, int *);
75 int	  kvm_getswapinfo (kvm_t *, struct kvm_swap *, int, int);
76 void	  kvm_nch_cpuagg (struct nchstats *, struct nchstats *, int);
77 int	  kvm_nlist (kvm_t *, struct nlist *);
78 kvm_t	 *kvm_open (const char *, const char *, const char *, int,
79 		    const char *);
80 kvm_t	 *kvm_openfiles (const char *, const char *, const char *, int, char *);
81 __ssize_t kvm_read (kvm_t *, unsigned long, void *, __size_t);
82 char	 *kvm_readstr (kvm_t *, u_long, char *, size_t *);
83 __ssize_t kvm_uread (kvm_t *, pid_t, unsigned long, char *, __size_t);
84 __ssize_t kvm_write (kvm_t *, unsigned long, const void *, __size_t);
85 struct vm_map_entry *
86 	  kvm_vm_map_entry_first (kvm_t *, struct vm_map *,
87 				  struct vm_map_entry *);
88 struct vm_map_entry *
89 	  kvm_vm_map_entry_next (kvm_t *, struct vm_map_entry *,
90 				 struct vm_map_entry *);
91 __END_DECLS
92 
93 #endif /* !_KVM_H_ */
94