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      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