| 1 | /* $NetBSD: shell.h,v 1.17 2003/08/07 09:05:38 agc Exp $ */
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| 2 |
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| 3 | /*-
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| 4 | * Copyright (c) 1991, 1993
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| 5 | * The Regents of the University of California. All rights reserved.
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| 6 | *
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| 7 | * This code is derived from software contributed to Berkeley by
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| 8 | * Kenneth Almquist.
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| 9 | *
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| 10 | * Redistribution and use in source and binary forms, with or without
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| 11 | * modification, are permitted provided that the following conditions
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| 12 | * are met:
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| 13 | * 1. Redistributions of source code must retain the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer.
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright
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| 16 | * notice, this list of conditions and the following disclaimer in the
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| 17 | * documentation and/or other materials provided with the distribution.
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| 18 | * 3. Neither the name of the University nor the names of its contributors
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| 19 | * may be used to endorse or promote products derived from this software
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| 20 | * without specific prior written permission.
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| 21 | *
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| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 32 | * SUCH DAMAGE.
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| 33 | *
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| 34 | * @(#)shell.h 8.2 (Berkeley) 5/4/95
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| 35 | */
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| 36 |
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| 37 | /*
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| 38 | * The follow should be set to reflect the type of system you have:
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| 39 | * JOBS -> 1 if you have Berkeley job control, 0 otherwise.
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| 40 | * SHORTNAMES -> 1 if your linker cannot handle long names.
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| 41 | * define BSD if you are running 4.2 BSD or later.
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| 42 | * define SYSV if you are running under System V.
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| 43 | * define DEBUG=1 to compile in debugging ('set -o debug' to turn on)
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| 44 | * define DEBUG=2 to compile in and turn on debugging.
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| 45 | * define DO_SHAREDVFORK to indicate that vfork(2) shares its address
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| 46 | * with its parent.
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| 47 | *
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| 48 | * When debugging is on, debugging info will be written to ./trace and
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| 49 | * a quit signal will generate a core dump.
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| 50 | */
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| 51 |
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| 52 | #include <sys/param.h>
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| 53 |
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| 54 | #define JOBS 1
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| 55 | #ifndef BSD
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| 56 | #define BSD 1
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| 57 | #endif
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| 58 |
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| 59 | #ifndef DO_SHAREDVFORK
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| 60 | #if __NetBSD_Version__ >= 104000000
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| 61 | #define DO_SHAREDVFORK
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| 62 | #endif
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| 63 | #endif
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| 64 |
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| 65 | typedef void *pointer;
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| 66 | #ifndef NULL
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| 67 | #define NULL (void *)0
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| 68 | #endif
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| 69 | #define STATIC /* empty */
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| 70 | #define MKINIT /* empty */
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| 71 |
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| 72 | #ifdef HAVE_SYS_CDEFS_H
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| 73 | #include <sys/cdefs.h>
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| 74 | #endif
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| 75 |
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| 76 | extern char nullstr[1]; /* null string */
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| 77 |
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| 78 |
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| 79 | #ifdef DEBUG
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| 80 | #define TRACE(param) trace param
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| 81 | #define TRACEV(param) tracev param
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| 82 | #else
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| 83 | #define TRACE(param)
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| 84 | #define TRACEV(param)
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| 85 | #endif
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