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comparison src/s/usg5-0.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 8eaf7971accc
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1 /* Definitions file for GNU Emacs running on AT&T's System V.0
2 Copyright (C) 1985, 1986 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 /*
24 * Define symbols to identify the version of Unix this is.
25 * Define all the symbols that apply correctly.
26 */
27
28 #define USG /* System III, System V, etc */
29
30 #define USG5
31 #define USG5_0
32
33 /* SYSTEM_TYPE should indicate the kind of system you are using.
34 It sets the Lisp variable system-type. */
35
36 #define SYSTEM_TYPE "usg-unix-v"
37
38 /* Letter to use in finding device name of first pty,
39 if system supports pty's. 'p' means it is /dev/ptyp0 */
40
41 #define FIRST_PTY_LETTER 'p'
42
43 /*
44 * Define HAVE_PTYS if the system supports pty devices.
45 */
46
47 /* #define HAVE_PTYS */
48
49 /* If your system uses COFF (Common Object File Format) then define the
50 preprocessor symbol "COFF". */
51
52 #define COFF
53
54 /* define MAIL_USE_FLOCK if the mailer uses flock
55 to interlock access to /usr/spool/mail/$USER.
56 The alternative is that a lock file named
57 /usr/spool/mail/$USER.lock. */
58
59 /* #define MAIL_USE_FLOCK */
60
61 /* Define SHORTNAMES if the C compiler can distinguish only
62 short names. It means that the stuff in ../shortnames
63 must be run to convert the long names to short ones. */
64
65 #define SHORTNAMES
66
67 /* The file containing the kernel's symbol table is called /unix. */
68
69 #define KERNEL_FILE "/unix"
70
71 /* The symbol in the kernel where the load average is found
72 is named avenrun. */
73
74 #define LDAV_SYMBOL "avenrun"
75
76 /* Special hacks needed to make Emacs run on this system. */
77
78 /* On USG systems the system calls are interruptible by signals
79 that the user program has elected to catch. Thus the system call
80 must be retried in these cases. To handle this without massive
81 changes in the source code, we remap the standard system call names
82 to names for our own functions in sysdep.c that do the system call
83 with retries. */
84
85 #define INTERRUPTIBLE_OPEN
86 #define INTERRUPTIBLE_IO
87
88 /* USG systems tend to put everything declared static
89 into the initialized data area, which becomes pure after dumping Emacs.
90 Foil this by defining NO_REMAP, which makes the purespace not pure.
91 (Formerly this was avoided by doing '#define static' but this just
92 fails with inline functions.) */
93
94 #ifndef DONT_DEFINE_NO_REMAP
95 #define NO_REMAP
96 #endif
97
98 /* Compiler bug bites on many systems when default ADDR_CORRECT is used. */
99
100 #define ADDR_CORRECT(x) (x)
101
102 /* Prevent -lg from being used for debugging. Not implemented? */
103
104 #define LIBS_DEBUG