1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/* Definitions file for GNU Emacs running on AT&T's System V Release 4
Copyright (C) 1987, 1990 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* This file written by James Van Artsdalen of Dell Computer Corporation.
* james@bigtex.cactus.org. Subsequently improved for Dell 2.2 by Eric
* S. Raymond <esr@snark.thyrsus.com>.
*/
/* Use the SysVr3 file for at least base configuration. */
#include "usg5-3.h"
#define USG5_4
/* We do have multiple jobs. Handle ^Z. */
#undef NOMULTIPLEJOBS
#define LIBS_SYSTEM -lsocket -lnsl -lelf
#define ORDINARY_LINK
#if 0
#ifdef ORDINARY_LINK
#define LIB_STANDARD -lc /usr/ucblib/libucb.a
#else
#define START_FILES pre-crt0.o /usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o
#define LIB_STANDARD -lc /usr/ucblib/libucb.a /usr/ccs/lib/crtn.o
#endif
#else
#ifdef ORDINARY_LINK
#define LIB_STANDARD
#else
#define START_FILES pre-crt0.o /usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o
#define LIB_STANDARD -lc /usr/ccs/lib/crtn.o
#endif
#endif
/* there are no -lg libraries on this system, and no libPW */
#define LIBS_DEBUG
/* This is turned off because nobody actually uses LIBS_STANDARD (Nov 1995).
That name is a typo. The next step is to delete this entirely. */
/* #define LIBS_STANDARD -lc */
/* No <sioctl.h> */
#define NO_SIOCTL_H
/* Undump with ELF */
#undef COFF
#define UNEXEC unexelf.o
/* <sys/stat.h> *defines* stat(2) as a static function. If "static"
* is blank, then many files will have a public definition for stat(2).
*/
#undef static
/* Get FIONREAD from <sys/filio.h>. Get <sys/ttold.h> to get struct
* tchars. But get <termio.h> first to make sure ttold.h doesn't
* interfere. And don't try to use SIGIO yet.
*/
#ifndef NOT_C_CODE
#include <sys/wait.h>
#endif
#ifdef emacs
#include <sys/filio.h>
#include <termio.h>
#include <sys/ttold.h>
#include <signal.h>
#include <sys/stream.h>
#include <sys/stropts.h>
#include <sys/termios.h>
#undef SIGIO
#endif
/* Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
* instead, there's a system variable _sys_nsig. Unfortunately, we need the
* constant to dimension an array. So wire in the appropriate value here.
*/
#ifndef NSIG
#define NSIG 32
#endif
/* We need bss_end from emacs.c for undumping */
#ifndef USG_SHARED_LIBRARIES
#define USG_SHARED_LIBRARIES
#endif
/* We can support this */
#define CLASH_DETECTION
#define HAVE_PTYS
#define HAVE_TERMIOS
#undef BROKEN_TIOCGWINSZ
#undef BROKEN_TIOCGETC
/* It is possible to receive SIGCHLD when there are no children
waiting, because a previous waitsys(2) cleaned up the carcass of child
without clearing the SIGCHLD pending info. So, use a non-blocking
wait3 instead, which maps to waitpid(2) in SysVr4. */
#define HAVE_WAIT_HEADER
#define WAITTYPE int
#define wait3(status, options, rusage) \
waitpid ((pid_t) -1, (status), (options))
#define WRETCODE(w) (w >> 8)
/* TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
subprocesses the usual way. But TIOCSIGNAL does work for PTYs, and
this is all we need. */
#define TIOCSIGSEND TIOCSIGNAL
/* This change means that we don't loop through allocate_pty too many
times in the (rare) event of a failure. */
#undef FIRST_PTY_LETTER
#define FIRST_PTY_LETTER 'z'
/* This sets the name of the master side of the PTY. */
#define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx");
/* This sets the name of the slave side of the PTY. On SysVr4,
grantpt(3) forks a subprocess, so keep sigchld_handler() from
intercepting that death. If any child but grantpt's should die
within, it should be caught after sigrelse(2). */
#define PTY_TTY_NAME_SPRINTF \
{ \
char *ptsname (), *ptyname; \
\
sighold (SIGCLD); \
if (grantpt (fd) == -1) \
{ close (fd); return -1; } \
sigrelse (SIGCLD); \
if (unlockpt (fd) == -1) \
{ close (fd); return -1; } \
if (!(ptyname = ptsname (fd))) \
{ close (fd); return -1; } \
strncpy (pty_name, ptyname, sizeof (pty_name)); \
pty_name[sizeof (pty_name) - 1] = 0; \
}
/* Push various streams modules onto a PTY channel. */
#define SETUP_SLAVE_PTY \
if (ioctl (xforkin, I_PUSH, "ptem") == -1) \
fatal ("ioctl I_PUSH ptem", errno); \
if (ioctl (xforkin, I_PUSH, "ldterm") == -1) \
fatal ("ioctl I_PUSH ldterm", errno); \
if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) \
fatal ("ioctl I_PUSH ttcompat", errno);
/* Undo the SVr3 X11 library definition */
#undef LIB_X11_LIB
/* The definition of this in s-usg5-3.h is not needed in 5.4. */
/* liblnsl_s should never be used. The _s suffix implies a shared
library, as opposed to a DLL. Share libraries were used in SVR3, and are
available only in order to allow SVR3 binaries to run. They should not be
linked in to new binaries. -- caraway!pinkas@caraway.intel.com. */
#undef LIBX10_SYSTEM
#undef LIBX11_SYSTEM
/* Tell x11term.c and keyboard.c we have the system V streams feature. */
#define SYSV_STREAMS
/* This definition was suggested for next release.
So give it a try. */
#define HAVE_SOCKETS
#define bcopy(src,dst,n) memmove (dst,src,n)
#define bcmp(src,dst,n) memcmp (src,dst,n)
#define bzero(s,n) memset (s,0,n)
|
