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comparison src/s/usg5-4.h @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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children 25f70ba0133c
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1 /* Definitions file for GNU Emacs running on AT&T's System V Release 4
2 Copyright (C) 1987, 1990 Free Software Foundation, Inc.
3
4 This file is part of GNU Emacs.
5
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with XEmacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21 /* Synched up with: FSF 19.31. */
22
23 /* This file written by James Van Artsdalen of Dell Computer Corporation.
24 * james@bigtex.cactus.org. Subsequently improved for Dell 2.2 by Eric
25 * S. Raymond <esr@snark.thyrsus.com>.
26 */
27
28 /* Use the SysVr3 file for at least base configuration. */
29
30 #define DONT_DEFINE_NO_REMAP /* `static' hack not needed */
31 #include "usg5-3.h"
32
33 #define USG5_4
34
35 #define LIBS_SYSTEM -lsocket -lnsl -lelf
36 #define ORDINARY_LINK
37
38 #if 0
39 #ifdef ORDINARY_LINK
40 #define LIB_STANDARD -lc /usr/ucblib/libucb.a
41 #else
42 #define START_FILES pre-crt0.o /usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o
43 #define LIB_STANDARD -lc /usr/ucblib/libucb.a /usr/ccs/lib/crtn.o
44 #endif
45 #else
46
47 #ifdef ORDINARY_LINK
48 #define LIB_STANDARD
49 #else
50 #define START_FILES pre-crt0.o /usr/ccs/lib/crt1.o /usr/ccs/lib/crti.o /usr/ccs/lib/values-Xt.o
51 #define LIB_STANDARD -lc /usr/ccs/lib/crtn.o
52 #endif
53 #endif
54
55 /* there are no -lg libraries on this system, and no libPW */
56
57 #define LIBS_DEBUG
58 /* This is turned off because nobody actually uses LIBS_STANDARD (Nov 1995).
59 That name is a typo. The next step is to delete this entirely. */
60 /* #define LIBS_STANDARD -lc */
61
62 /* No <sioctl.h> */
63
64 #define NO_SIOCTL_H
65
66 /* Undump with ELF */
67
68 #undef COFF
69
70 #define UNEXEC unexelf.o
71
72 /* Get <sys/ttold.h> to get struct
73 * tchars. But get <termio.h> first to make sure ttold.h doesn't
74 * interfere.
75 */
76
77 #ifndef NOT_C_CODE
78 #include <sys/wait.h>
79 #endif
80
81 #ifdef emacs
82 #include <sys/filio.h>
83 #include <termio.h>
84 #include <sys/ttold.h>
85 #include <signal.h>
86 #include <sys/stream.h>
87 #include <sys/stropts.h>
88 #include <sys/termios.h>
89 #endif
90
91 #undef BROKEN_SIGIO
92
93 /* Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
94 * instead, there's a system variable _sys_nsig. Unfortunately, we need the
95 * constant to dimension an array. So wire in the appropriate value here.
96 */
97
98 #ifndef NSIG
99 #define NSIG 32
100 #endif
101
102 /* We need bss_end from emacs.c for undumping */
103
104 #ifndef USG_SHARED_LIBRARIES
105 #define USG_SHARED_LIBRARIES
106 #endif
107
108 #define HAVE_PTYS
109 #undef BROKEN_TIOCGWINSZ
110 #undef BROKEN_TIOCGETC
111
112 /* TIOCGPGRP is broken in SysVr4, so we can't send signals to PTY
113 subprocesses the usual way. But TIOCSIGNAL does work for PTYs, and
114 this is all we need. */
115
116 #define TIOCSIGSEND TIOCSIGNAL
117
118 /* This change means that we don't loop through allocate_pty too many
119 times in the (rare) event of a failure. */
120
121 #undef FIRST_PTY_LETTER
122 #define FIRST_PTY_LETTER 'z'
123
124 /* This sets the name of the master side of the PTY. */
125
126 #define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx");
127
128 /* This sets the name of the slave side of the PTY. On SysVr4,
129 grantpt(3) forks a subprocess, so keep sigchld_handler() from
130 intercepting that death. If any child but grantpt's should die
131 within, it should be caught after EMACS_UNBLOCK_SIGNAL. */
132
133 /* XEmacs change */
134 #ifndef NOT_C_CODE
135 # if !__STDC__ && !defined(STDC_HEADERS)
136 char *ptsname ();
137 # endif
138 #endif
139
140 #define PTY_TTY_NAME_SPRINTF \
141 { \
142 char *ptyname; \
143 \
144 EMACS_BLOCK_SIGCHLD; \
145 if (grantpt (fd) == -1) \
146 { close (fd); return -1; } \
147 EMACS_UNBLOCK_SIGCHLD; \
148 if (unlockpt (fd) == -1) \
149 { close (fd); return -1; } \
150 if (!(ptyname = ptsname (fd))) \
151 { close (fd); return -1; } \
152 strncpy (pty_name, ptyname, sizeof (pty_name)); \
153 pty_name[sizeof (pty_name) - 1] = 0; \
154 }
155
156 /* Push various streams modules onto a PTY channel. */
157
158 #define SETUP_SLAVE_PTY \
159 if (ioctl (xforkin, I_PUSH, "ptem") == -1) \
160 fatal ("ioctl I_PUSH ptem: errno %d\n", errno); \
161 if (ioctl (xforkin, I_PUSH, "ldterm") == -1) \
162 fatal ("ioctl I_PUSH ldterm: errno %d\n", errno); \
163 if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) \
164 fatal ("ioctl I_PUSH ttcompat: errno %d\n", errno);
165
166 /* Undo the SVr3 X11 library definition */
167 #undef LIB_X11_LIB
168
169 /* The definition of this in s-usg5-3.h is not needed in 5.4. */
170 /* liblnsl_s should never be used. The _s suffix implies a shared
171 library, as opposed to a DLL. Share libraries were used in SVR3, and are
172 available only in order to allow SVR3 binaries to run. They should not be
173 linked in to new binaries. -- caraway!pinkas@caraway.intel.com. */
174 #undef LIBX10_SYSTEM
175 #undef LIBX11_SYSTEM
176
177 /* Tell x11term.c and keyboard.c we have the system V streams feature. */
178 #define SYSV_STREAMS