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1.1 root 1: /* Definitions file for GNU Emacs running on UniSoft's UniPlus 5.2
2: Copyright (C) 1985 Richard M. Stallman.
3:
4: This file is part of GNU Emacs.
5:
6: GNU Emacs is distributed in the hope that it will be useful,
7: but WITHOUT ANY WARRANTY. No author or distributor
8: accepts responsibility to anyone for the consequences of using it
9: or for whether it serves any particular purpose or works at all,
10: unless he says so in writing. Refer to the GNU Emacs General Public
11: License for full details.
12:
13: Everyone is granted permission to copy, modify and redistribute
14: GNU Emacs, but only under the conditions described in the
15: GNU Emacs General Public License. A copy of this license is
16: supposed to have been given to you along with GNU Emacs so you
17: can know your rights and responsibilities. It should be in a
18: file named COPYING. Among other things, the copyright notice
19: and this notice must be preserved on all copies. */
20:
21:
22: /*
23: * Define symbols to identify the version of Unix this is.
24: * Define all the symbols that apply correctly.
25: */
26:
27: #define USG /* System III, System V, etc */
28:
29: #define USG5
30:
31: #define UNIPLUS
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 "unisoft-unix"
37:
38: /* nomultiplejobs should be defined if your system's shell
39: does not have "job control" (the ability to stop a program,
40: run some other program, then continue the first one). */
41:
42: /* #define NOMULTIPLEJOBS */
43:
44: /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
45:
46: /* #define INTERRUPT_INPUT */
47:
48: /* Letter to use in finding device name of first pty,
49: if system supports pty's. 'p' means it is /dev/ptyp0 */
50:
51: #define FIRST_PTY_LETTER 'p'
52:
53: /*
54: * Define HAVE_TIMEVAL if the system supports the BSD style clock values.
55: * Look in <sys/time.h> for a timeval structure.
56: */
57:
58: #define HAVE_TIMEVAL
59:
60: /*
61: * Define HAVE_SELECT if the system supports the `select' system call.
62: */
63:
64: #define HAVE_SELECT
65:
66: /*
67: * Define HAVE_PTYS if the system supports pty devices.
68: */
69:
70: #define HAVE_PTYS
71:
72: /*
73: * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
74: * The 4.2 opendir, etc., library functions.
75: */
76:
77: #define NONSYSTEM_DIR_LIBRARY
78:
79: /* Define this symbol if your system has the functions bcopy, etc. */
80:
81: /* #define BSTRING */
82:
83: /* subprocesses should be defined if you want to
84: have code for asynchronous subprocesses
85: (as used in M-x compile and M-x shell).
86: This is generally OS dependent, and not supported
87: under most USG systems. It is supported under UniPlus
88: System V Release 2. */
89:
90: #define subprocesses
91:
92: /* If your system uses COFF (Common Object File Format) then define the
93: preprocessor symbol "COFF". */
94:
95: #define COFF
96:
97: /* define MAIL_USE_FLOCK if the mailer uses flock
98: to interlock access to /usr/spool/mail/$USER.
99: The alternative is that a lock file named
100: /usr/spool/mail/$USER.lock. */
101:
102: /* #define MAIL_USE_FLOCK */
103:
104: /* Define CLASH_DETECTION if you want lock files to be written
105: so that Emacs can tell instantly when you try to modify
106: a file that someone else has modified in his Emacs. */
107:
108: /* #define CLASH_DETECTION */
109:
110: /* Uniplus 5.2 supports long names in C */
111:
112: /* #define SHORTNAMES */
113:
114: /* Special hacks needed to make Emacs run on this system. */
115:
116: /* Define this to cause -N to be passed to ld. This is needed
117: in uniplus because of its funny memory space layout. */
118:
119: #define LOADER_N_SWITCH
120:
121: /*
122: * Make the sigsetmask function go away. Don't know what the
123: * ramifications of this are, but doesn't seem possible to
124: * emulate it properly anyway at this point.
125: */
126:
127: #define sigsetmask(mask) /* Null expansion */
128:
129: /* setjmp and longjmp can safely replace _setjmp and _longjmp,
130: but they will run slower. */
131:
132: #define _setjmp setjmp
133: #define _longjmp longjmp
134:
135: /* On USG systems the system calls are interruptable by signals
136: that the user program has elected to catch. Thus the system call
137: must be retried in these cases. To handle this without massive
138: changes in the source code, we remap the standard system call names
139: to names for our own functions in sysdep.c that do the system call
140: with retries. */
141:
142: #define read sys_read
143: #define open sys_open
144: #define write sys_write
145:
146: /* On USG systems these have different names */
147:
148: #define index strchr
149: #define rindex strrchr
150:
151: /* Compiler bug bites when default ADDR_CORRECT is used. */
152:
153: #define ADDR_CORRECT(x) (x)
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