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/* $OpenBSD: kvm.h,v 1.18 2013/10/22 16:40:25 guenther Exp $ */
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/* $NetBSD: kvm.h,v 1.7 1996/04/19 12:02:50 leo Exp $ */
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/*-
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)kvm.h 8.1 (Berkeley) 6/2/93
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*/
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#ifndef _KVM_H_
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#define _KVM_H_
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/* Default version symbol. */
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#define VRS_SYM "_version"
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#define VRS_KEY "VERSION"
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/*
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* Flag for kvm_open* that disables opening of any files. We're just
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* interested in a handle to run sysctls.
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*/
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#define KVM_NO_FILES 0x80000000
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#include <nlist.h>
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#include <stdio.h>
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__BEGIN_DECLS
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typedef struct __kvm kvm_t;
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struct kinfo_proc;
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int kvm_close(kvm_t *);
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int kvm_dump_inval(kvm_t *);
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int kvm_dump_mkheader(kvm_t *, off_t);
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int kvm_dump_wrtheader(kvm_t *, FILE *, int);
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char **kvm_getargv(kvm_t *, const struct kinfo_proc *, int);
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char **kvm_getenvv(kvm_t *, const struct kinfo_proc *, int);
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char *kvm_geterr(kvm_t *);
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int kvm_getloadavg(kvm_t *, double [], int);
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struct kinfo_file *
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kvm_getfiles(kvm_t *, int, int, size_t, int *);
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struct kinfo_proc *
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kvm_getprocs(kvm_t *, int, int, size_t, int *);
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int kvm_nlist(kvm_t *, struct nlist *);
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kvm_t *kvm_open(const char *, const char *, const char *, int, const char *);
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kvm_t *kvm_openfiles(const char *, const char *, const char *,
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int, char *);
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ssize_t kvm_read(kvm_t *, unsigned long, void *, size_t)
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__attribute__((__bounded__(__buffer__,3,4)));
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ssize_t kvm_write(kvm_t *, unsigned long, const void *, size_t)
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__attribute__((__bounded__(__buffer__,3,4)));
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__END_DECLS
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#endif /* !_KVM_H_ */
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