1*d90bee97SLionel Sambuc /* $NetBSD: shell.h,v 1.18 2013/04/28 17:01:28 dholland Exp $ */ 2*d90bee97SLionel Sambuc 3*d90bee97SLionel Sambuc /*- 4*d90bee97SLionel Sambuc * Copyright (c) 1991, 1993 5*d90bee97SLionel Sambuc * The Regents of the University of California. All rights reserved. 6*d90bee97SLionel Sambuc * 7*d90bee97SLionel Sambuc * This code is derived from software contributed to Berkeley by 8*d90bee97SLionel Sambuc * Kenneth Almquist. 9*d90bee97SLionel Sambuc * 10*d90bee97SLionel Sambuc * Redistribution and use in source and binary forms, with or without 11*d90bee97SLionel Sambuc * modification, are permitted provided that the following conditions 12*d90bee97SLionel Sambuc * are met: 13*d90bee97SLionel Sambuc * 1. Redistributions of source code must retain the above copyright 14*d90bee97SLionel Sambuc * notice, this list of conditions and the following disclaimer. 15*d90bee97SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright 16*d90bee97SLionel Sambuc * notice, this list of conditions and the following disclaimer in the 17*d90bee97SLionel Sambuc * documentation and/or other materials provided with the distribution. 18*d90bee97SLionel Sambuc * 3. Neither the name of the University nor the names of its contributors 19*d90bee97SLionel Sambuc * may be used to endorse or promote products derived from this software 20*d90bee97SLionel Sambuc * without specific prior written permission. 21*d90bee97SLionel Sambuc * 22*d90bee97SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23*d90bee97SLionel Sambuc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24*d90bee97SLionel Sambuc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25*d90bee97SLionel Sambuc * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26*d90bee97SLionel Sambuc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27*d90bee97SLionel Sambuc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28*d90bee97SLionel Sambuc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29*d90bee97SLionel Sambuc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30*d90bee97SLionel Sambuc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31*d90bee97SLionel Sambuc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32*d90bee97SLionel Sambuc * SUCH DAMAGE. 33*d90bee97SLionel Sambuc * 34*d90bee97SLionel Sambuc * @(#)shell.h 8.2 (Berkeley) 5/4/95 35*d90bee97SLionel Sambuc */ 36*d90bee97SLionel Sambuc 37*d90bee97SLionel Sambuc /* 38*d90bee97SLionel Sambuc * The follow should be set to reflect the type of system you have: 39*d90bee97SLionel Sambuc * JOBS -> 1 if you have Berkeley job control, 0 otherwise. 40*d90bee97SLionel Sambuc * SHORTNAMES -> 1 if your linker cannot handle long names. 41*d90bee97SLionel Sambuc * define BSD if you are running 4.2 BSD or later. 42*d90bee97SLionel Sambuc * define SYSV if you are running under System V. 43*d90bee97SLionel Sambuc * define DEBUG=1 to compile in debugging ('set -o debug' to turn on) 44*d90bee97SLionel Sambuc * define DEBUG=2 to compile in and turn on debugging. 45*d90bee97SLionel Sambuc * define DO_SHAREDVFORK to indicate that vfork(2) shares its address 46*d90bee97SLionel Sambuc * with its parent. 47*d90bee97SLionel Sambuc * 48*d90bee97SLionel Sambuc * When debugging is on, debugging info will be written to ./trace and 49*d90bee97SLionel Sambuc * a quit signal will generate a core dump. 50*d90bee97SLionel Sambuc */ 51*d90bee97SLionel Sambuc 52*d90bee97SLionel Sambuc #include <sys/param.h> 53*d90bee97SLionel Sambuc 54*d90bee97SLionel Sambuc #if defined(__minix) 55*d90bee97SLionel Sambuc #define JOBS 0 56*d90bee97SLionel Sambuc #else 57*d90bee97SLionel Sambuc #define JOBS 1 58*d90bee97SLionel Sambuc #endif /* defined(__minix) */ 59*d90bee97SLionel Sambuc #ifndef BSD 60*d90bee97SLionel Sambuc #define BSD 1 61*d90bee97SLionel Sambuc #endif 62*d90bee97SLionel Sambuc 63*d90bee97SLionel Sambuc #ifndef DO_SHAREDVFORK 64*d90bee97SLionel Sambuc #if !defined(__minix) 65*d90bee97SLionel Sambuc #if __NetBSD_Version__ >= 104000000 66*d90bee97SLionel Sambuc #define DO_SHAREDVFORK 67*d90bee97SLionel Sambuc #endif 68*d90bee97SLionel Sambuc #endif /* !defined(__minix) */ 69*d90bee97SLionel Sambuc #endif 70*d90bee97SLionel Sambuc 71*d90bee97SLionel Sambuc typedef void *pointer; 72*d90bee97SLionel Sambuc #ifndef NULL 73*d90bee97SLionel Sambuc #define NULL (void *)0 74*d90bee97SLionel Sambuc #endif 75*d90bee97SLionel Sambuc #define STATIC /* empty */ 76*d90bee97SLionel Sambuc #define MKINIT /* empty */ 77*d90bee97SLionel Sambuc 78*d90bee97SLionel Sambuc #include <sys/cdefs.h> 79*d90bee97SLionel Sambuc 80*d90bee97SLionel Sambuc extern const char nullstr[1]; /* null string */ 81*d90bee97SLionel Sambuc 82*d90bee97SLionel Sambuc 83*d90bee97SLionel Sambuc #ifdef DEBUG 84*d90bee97SLionel Sambuc #define TRACE(param) trace param 85*d90bee97SLionel Sambuc #define TRACEV(param) tracev param 86*d90bee97SLionel Sambuc #else 87*d90bee97SLionel Sambuc #define TRACE(param) 88*d90bee97SLionel Sambuc #define TRACEV(param) 89*d90bee97SLionel Sambuc #endif 90