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comparison src/s/usg5-4.h @ 428:3ecd8885ac67 r21-2-22

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Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
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children 576fb035e263
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427:0a0253eac470 428:3ecd8885ac67
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
59 /* No <sioctl.h> */
60
61 #define NO_SIOCTL_H
62
63 /* Undump with ELF */
64
65 #undef COFF
66
67 #define UNEXEC "unexelf.o"
68
69 /* Get <sys/ttold.h> to get struct
70 * tchars. But get <termio.h> first to make sure ttold.h doesn't
71 * interfere.
72 */
73
74 #ifndef NOT_C_CODE
75 #include <sys/wait.h>
76 #endif
77
78 #ifdef emacs
79 #include <sys/filio.h>
80 #include <termio.h>
81 #include <sys/ttold.h>
82 #include <signal.h>
83 #include <sys/stream.h>
84 #include <sys/stropts.h>
85 #include <sys/termios.h>
86 #endif
87
88 #undef BROKEN_SIGIO
89
90 /* Some SVr4s don't define NSIG in sys/signal.h for ANSI environments;
91 * instead, there's a system variable _sys_nsig. Unfortunately, we need the
92 * constant to dimension an array. So wire in the appropriate value here.
93 */
94
95 #ifndef NSIG
96 #define NSIG 32
97 #endif
98
99 /* We need bss_end from emacs.c for undumping */
100
101 #ifndef USG_SHARED_LIBRARIES
102 #define USG_SHARED_LIBRARIES
103 #endif
104
105 #define HAVE_PTYS
106 #undef BROKEN_TIOCGWINSZ
107 #undef BROKEN_TIOCGETC
108
109 /* This change means that we don't loop through allocate_pty too many
110 times in the (rare) event of a failure. */
111
112 #undef FIRST_PTY_LETTER
113 #define FIRST_PTY_LETTER 'z'
114
115 /* This sets the name of the master side of the PTY. */
116
117 #define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptmx");
118
119 /* This sets the name of the slave side of the PTY. On SysVr4,
120 grantpt(3) forks a subprocess, so keep sigchld_handler() from
121 intercepting that death. If any child but grantpt's should die
122 within, it should be caught after EMACS_UNBLOCK_SIGNAL. */
123
124 /* XEmacs change */
125 #ifndef NOT_C_CODE
126 # if !__STDC__ && !defined(STDC_HEADERS)
127 char *ptsname ();
128 # endif
129 #endif
130
131 #define PTY_TTY_NAME_SPRINTF \
132 { \
133 char *ptyname; \
134 \
135 EMACS_BLOCK_SIGCHLD; \
136 if (grantpt (fd) == -1) \
137 { close (fd); return -1; } \
138 EMACS_UNBLOCK_SIGCHLD; \
139 if (unlockpt (fd) == -1) \
140 { close (fd); return -1; } \
141 if (!(ptyname = ptsname (fd))) \
142 { close (fd); return -1; } \
143 strncpy (pty_name, ptyname, sizeof (pty_name)); \
144 pty_name[sizeof (pty_name) - 1] = 0; \
145 }
146
147 /* Push various streams modules onto a PTY channel. */
148
149 #define SETUP_SLAVE_PTY \
150 if (ioctl (xforkin, I_PUSH, "ptem") == -1) \
151 fatal ("ioctl I_PUSH ptem: errno %d\n", errno); \
152 if (ioctl (xforkin, I_PUSH, "ldterm") == -1) \
153 fatal ("ioctl I_PUSH ldterm: errno %d\n", errno); \
154 if (ioctl (xforkin, I_PUSH, "ttcompat") == -1) \
155 fatal ("ioctl I_PUSH ttcompat: errno %d\n", errno);
156
157 /* Tell x11term.c and keyboard.c we have the system V streams feature. */
158 #define SYSV_STREAMS
159 /* On Some SysV System , w3 freeze. If freeze your xemacs , Add below definition */
160 /* This definition added by Shogo Fujii(shogo@bsd1.kbnes.nec.co.jp) */
161 #define PROCESS_IO_BLOCKING