1 /* $OpenBSD: kvm.h,v 1.18 2013/10/22 16:40:25 guenther Exp $ */ 2 /* $NetBSD: kvm.h,v 1.7 1996/04/19 12:02:50 leo Exp $ */ 3 4 /*- 5 * Copyright (c) 1989, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)kvm.h 8.1 (Berkeley) 6/2/93 33 */ 34 35 #ifndef _KVM_H_ 36 #define _KVM_H_ 37 38 /* Default version symbol. */ 39 #define VRS_SYM "_version" 40 #define VRS_KEY "VERSION" 41 42 /* 43 * Flag for kvm_open* that disables opening of any files. We're just 44 * interested in a handle to run sysctls. 45 */ 46 #define KVM_NO_FILES 0x80000000 47 48 #include <nlist.h> 49 #include <stdio.h> 50 51 __BEGIN_DECLS 52 53 typedef struct __kvm kvm_t; 54 55 struct kinfo_proc; 56 int kvm_close(kvm_t *); 57 int kvm_dump_inval(kvm_t *); 58 int kvm_dump_mkheader(kvm_t *, off_t); 59 int kvm_dump_wrtheader(kvm_t *, FILE *, int); 60 char **kvm_getargv(kvm_t *, const struct kinfo_proc *, int); 61 char **kvm_getenvv(kvm_t *, const struct kinfo_proc *, int); 62 char *kvm_geterr(kvm_t *); 63 int kvm_getloadavg(kvm_t *, double [], int); 64 struct kinfo_file * 65 kvm_getfiles(kvm_t *, int, int, size_t, int *); 66 struct kinfo_proc * 67 kvm_getprocs(kvm_t *, int, int, size_t, int *); 68 int kvm_nlist(kvm_t *, struct nlist *); 69 kvm_t *kvm_open(const char *, const char *, const char *, int, const char *); 70 kvm_t *kvm_openfiles(const char *, const char *, const char *, 71 int, char *); 72 ssize_t kvm_read(kvm_t *, unsigned long, void *, size_t) 73 __attribute__((__bounded__(__buffer__,3,4))); 74 ssize_t kvm_write(kvm_t *, unsigned long, const void *, size_t) 75 __attribute__((__bounded__(__buffer__,3,4))); 76 77 __END_DECLS 78 79 #endif /* !_KVM_H_ */ 80