1 /* $NetBSD: shell.h,v 1.18 2013/04/28 17:01:28 dholland Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Kenneth Almquist. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)shell.h 8.2 (Berkeley) 5/4/95 35 */ 36 37 /* 38 * The follow should be set to reflect the type of system you have: 39 * JOBS -> 1 if you have Berkeley job control, 0 otherwise. 40 * SHORTNAMES -> 1 if your linker cannot handle long names. 41 * define BSD if you are running 4.2 BSD or later. 42 * define SYSV if you are running under System V. 43 * define DEBUG=1 to compile in debugging ('set -o debug' to turn on) 44 * define DEBUG=2 to compile in and turn on debugging. 45 * define DO_SHAREDVFORK to indicate that vfork(2) shares its address 46 * with its parent. 47 * 48 * When debugging is on, debugging info will be written to ./trace and 49 * a quit signal will generate a core dump. 50 */ 51 52 #include <sys/param.h> 53 54 #if defined(__minix) 55 #define JOBS 0 56 #else 57 #define JOBS 1 58 #endif /* defined(__minix) */ 59 #ifndef BSD 60 #define BSD 1 61 #endif 62 63 #ifndef DO_SHAREDVFORK 64 #if !defined(__minix) 65 #if __NetBSD_Version__ >= 104000000 66 #define DO_SHAREDVFORK 67 #endif 68 #endif /* !defined(__minix) */ 69 #endif 70 71 typedef void *pointer; 72 #ifndef NULL 73 #define NULL (void *)0 74 #endif 75 #define STATIC /* empty */ 76 #define MKINIT /* empty */ 77 78 #include <sys/cdefs.h> 79 80 extern const char nullstr[1]; /* null string */ 81 82 83 #ifdef DEBUG 84 #define TRACE(param) trace param 85 #define TRACEV(param) tracev param 86 #else 87 #define TRACE(param) 88 #define TRACEV(param) 89 #endif 90