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_ */ 90