include/kvm.h

   1 /*      $NetBSD: kvm.h,v 1.16 2011/09/12 21:14:29 christos 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, u_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 *, u_long, void *, size_t);
  84 ssize_t   kvm_write(kvm_t *, u_long, const void *, size_t);
  85 const char *kvm_getkernelname(kvm_t *);
  86
  87 __END_DECLS
  88
  89 #endif /* !_KVM_H_ */