![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to s-usg5-0.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [CSRG BSD Unix] / 43BSDReno / contrib / emacs-18.55 / src|
Return to s-usg5-0.h CVS log | Up to [CSRG BSD Unix] / 43BSDReno / contrib / emacs-18.55 / src |
1.1 root 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 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: #define USG5_0
31:
32: /* SYSTEM_TYPE should indicate the kind of system you are using.
33: It sets the Lisp variable system-type. */
34:
35: #define SYSTEM_TYPE "usg-unix-v"
36:
37: /* nomultiplejobs should be defined if your system's shell
38: does not have "job control" (the ability to stop a program,
39: run some other program, then continue the first one). */
40:
41: #define NOMULTIPLEJOBS
42:
43: /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
44:
45: /* #define INTERRUPT_INPUT */
46:
47: /* Letter to use in finding device name of first pty,
48: if system supports pty's. 'p' means it is /dev/ptyp0 */
49:
50: #define FIRST_PTY_LETTER 'p'
51:
52: /*
53: * Define HAVE_TERMIO if the system provides sysV-style ioctls
54: * for terminal control.
55: */
56:
57: #define HAVE_TERMIO
58:
59: /*
60: * Define HAVE_TIMEVAL if the system supports the BSD style clock values.
61: * Look in <sys/time.h> for a timeval structure.
62: */
63:
64: /* #define HAVE_TIMEVAL */
65:
66: /*
67: * Define HAVE_SELECT if the system supports the `select' system call.
68: */
69:
70: /* #define HAVE_SELECT */
71:
72: /*
73: * Define HAVE_PTYS if the system supports pty devices.
74: */
75:
76: /* #define HAVE_PTYS */
77:
78: /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */
79:
80: /* #define HAVE_SOCKETS */
81:
82: /*
83: * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
84: * The 4.2 opendir, etc., library functions.
85: */
86:
87: #define NONSYSTEM_DIR_LIBRARY
88:
89: /* Define this symbol if your system has the functions bcopy, etc. */
90:
91: /* #define BSTRING */
92:
93: /* subprocesses should be defined if you want to
94: have code for asynchronous subprocesses
95: (as used in M-x compile and M-x shell).
96: This is supposed to work now on system V release 2. */
97:
98: #define subprocesses
99:
100: /* If your system uses COFF (Common Object File Format) then define the
101: preprocessor symbol "COFF". */
102:
103: #define COFF
104:
105: /* define MAIL_USE_FLOCK if the mailer uses flock
106: to interlock access to /usr/spool/mail/$USER.
107: The alternative is that a lock file named
108: /usr/spool/mail/$USER.lock. */
109:
110: /* #define MAIL_USE_FLOCK */
111:
112: /* Define CLASH_DETECTION if you want lock files to be written
113: so that Emacs can tell instantly when you try to modify
114: a file that someone else has modified in his Emacs. */
115:
116: /* #define CLASH_DETECTION */
117:
118: /* Define SHORTNAMES if the C compiler can distinguish only
119: short names. It means that the stuff in ../shortnames
120: must be run to convert the long names to short ones. */
121:
122: #define SHORTNAMES
123:
124: /* We do NOT use the Berkeley (and usg5.2.2) interface to nlist. */
125:
126: /* #define NLIST_STRUCT */
127:
128: /* The file containing the kernel's symbol table is called /unix. */
129:
130: #define KERNEL_FILE "/unix"
131:
132: /* The symbol in the kernel where the load average is found
133: is named avenrun. */
134:
135: #define LDAV_SYMBOL "avenrun"
136:
137: /* Special hacks needed to make Emacs run on this system. */
138:
139: /*
140: * Make the sigsetmask function go away. Don't know what the
141: * ramifications of this are, but doesn't seem possible to
142: * emulate it properly anyway at this point.
143: */
144:
145: #define sigsetmask(mask) /* Null expansion */
146:
147: /* setjmp and longjmp can safely replace _setjmp and _longjmp,
148: but they will run slower. */
149:
150: #define _setjmp setjmp
151: #define _longjmp longjmp
152:
153: /* On USG systems the system calls are interruptable by signals
154: that the user program has elected to catch. Thus the system call
155: must be retried in these cases. To handle this without massive
156: changes in the source code, we remap the standard system call names
157: to names for our own functions in sysdep.c that do the system call
158: with retries. */
159:
160: #define read sys_read
161: #define open sys_open
162: #define write sys_write
163:
164: #define INTERRUPTABLE_OPEN
165: #define INTERRUPTABLE_IO
166:
167: /* On USG systems these have different names */
168:
169: #define index strchr
170: #define rindex strrchr
171:
172: /* USG systems tend to put everything declared static
173: into the initialized data area, which becomes pure after dumping Emacs.
174: Foil this. Emacs carefully avoids static vars inside functions. */
175:
176: #define static
177:
178: /* Compiler bug bites on many systems when default ADDR_CORRECT is used. */
179:
180: #define ADDR_CORRECT(x) (x)
181:
182: /* Prevent -lg from being used for debugging. Not implemented? */
183:
184: #define LIBS_DEBUG
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.