annotate src/s/usg5-0.h @ 428:3ecd8885ac67 r21-2-22

Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
parents
children c69610198c35
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1 /* Definitions file for GNU Emacs running on AT&T's System V.0
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2 Copyright (C) 1985, 1986 Free Software Foundation, Inc.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4 This file is part of GNU Emacs.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
5
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
6 GNU Emacs is free software; you can redistribute it and/or modify
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
7 it under the terms of the GNU General Public License as published by
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
8 the Free Software Foundation; either version 2, or (at your option)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
9 any later version.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
10
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
11 GNU Emacs is distributed in the hope that it will be useful,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
14 GNU General Public License for more details.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
15
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
16 You should have received a copy of the GNU General Public License
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
17 along with XEmacs; see the file COPYING. If not, write to
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
19 Boston, MA 02111-1307, USA. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
20
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
21 /* Synched up with: FSF 19.31. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
22
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
23 /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
24 * Define symbols to identify the version of Unix this is.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
25 * Define all the symbols that apply correctly.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
26 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
27
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
28 #define USG /* System III, System V, etc */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
29
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
30 #define USG5
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
31 #define USG5_0
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
32
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
33 /* SYSTEM_TYPE should indicate the kind of system you are using.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
34 It sets the Lisp variable system-type. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
35
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
36 #define SYSTEM_TYPE "usg-unix-v"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
37
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
38 /* Letter to use in finding device name of first pty,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
39 if system supports pty's. 'p' means it is /dev/ptyp0 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
40
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
41 #define FIRST_PTY_LETTER 'p'
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
42
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
43 /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
44 * Define HAVE_PTYS if the system supports pty devices.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
45 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
46
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
47 /* #define HAVE_PTYS */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
48
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
49 /* If your system uses COFF (Common Object File Format) then define the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
50 preprocessor symbol "COFF". */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
51
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
52 #define COFF
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
53
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
54 /* define MAIL_USE_FLOCK if the mailer uses flock
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
55 to interlock access to /usr/spool/mail/$USER.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
56 The alternative is that a lock file named
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
57 /usr/spool/mail/$USER.lock. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
58
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
59 /* #define MAIL_USE_FLOCK */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
60
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
61 /* The file containing the kernel's symbol table is called /unix. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
62
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
63 #define KERNEL_FILE "/unix"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
64
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
65 /* The symbol in the kernel where the load average is found
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
66 is named avenrun. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
67
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
68 #define LDAV_SYMBOL "avenrun"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
69
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
70 /* Special hacks needed to make Emacs run on this system. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
71
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
72 /* On USG systems the system calls are interruptible by signals
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
73 that the user program has elected to catch. Thus the system call
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
74 must be retried in these cases. To handle this without massive
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
75 changes in the source code, we remap the standard system call names
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
76 to names for our own functions in sysdep.c that do the system call
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
77 with retries. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
78
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
79 #define INTERRUPTIBLE_OPEN
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
80 #define INTERRUPTIBLE_IO
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
81
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
82 /* USG systems tend to put everything declared static
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
83 into the initialized data area, which becomes pure after dumping Emacs.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
84 Foil this by defining NO_REMAP, which makes the purespace not pure.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
85 (Formerly this was avoided by doing '#define static' but this just
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
86 fails with inline functions.) */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
87
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
88 #ifndef DONT_DEFINE_NO_REMAP
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
89 #define NO_REMAP
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
90 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
91
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
92 /* Compiler bug bites on many systems when default ADDR_CORRECT is used. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
93
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
94 #define ADDR_CORRECT(x) (x)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
95
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
96 /* Prevent -lg from being used for debugging. Not implemented? */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
97
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
98 #define LIBS_DEBUG