1 /*- 2 * Copyright (c) 1982, 1988, 1991 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)systm.h 7.17 (Berkeley) 5/25/91 34 */ 35 36 extern char *panicstr; /* panic message */ 37 extern char version[]; /* system version */ 38 extern char copyright[]; /* system copyright */ 39 40 extern int selwait; /* select timeout address */ 41 42 extern u_char curpri; /* priority of current process */ 43 44 extern int maxmem; /* max memory per process */ 45 extern int physmem; /* physical memory */ 46 47 extern dev_t dumpdev; /* dump device */ 48 extern long dumplo; /* offset into dumpdev */ 49 50 /* interface symbols */ 51 #define __ISYM_VERSION__ "1" /* XXX RCS major revision number of hdr file */ 52 #include "isym.h" /* this header has interface symbols */ 53 54 /* global variables used in core kernel and other modules */ 55 56 #undef __ISYM__ 57 #undef __ISYM_ALIAS__ 58 #undef __ISYM_VERSION__ 59 60 extern struct sysent { /* system call table */ 61 int sy_narg; /* number of arguments */ 62 int (*sy_call)(); /* implementing function */ 63 } sysent[]; 64 extern int nsysent; /* number of system call table entries */ 65 66 extern int boothowto; /* reboot flags, from system bootstrap */ 67