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s-irix3-3.h
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1992-03-12
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/* Definitions file for GNU Emacs running on Silicon Graphics Irix system 3.3.
Copyright (C) 1987,1990 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
* Define symbols to identify the version of Unix this is.
* Define all the symbols that apply correctly.
*/
#define USG
#define USG5
#define IRIS
#ifndef IRIX
#define IRIX
#endif
/* SYSTEM_TYPE should indicate the kind of system you are using.
It sets the Lisp variable system-type. */
#define SYSTEM_TYPE "silicon-graphics-unix"
/* nomultiplejobs should be defined if your system's shell
does not have "job control" (the ability to stop a program,
run some other program, then continue the first one). */
#define NOMULTIPLEJOBS
/* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
/* #define INTERRUPT_INPUT */
/* Letter to use in finding device name of first pty,
if system supports pty's. 'a' means it is /dev/ptya0 */
#define FIRST_PTY_LETTER 'a'
/*
* Define HAVE_TERMIO if the system provides sysV-style ioctls
* for terminal control.
*/
#define HAVE_TERMIO
/*
* Define HAVE_TIMEVAL if the system supports the BSD style clock values.
* Look in <sys/time.h> for a timeval structure.
*/
#define HAVE_TIMEVAL
/* `utime' system call doesn't understand timevals. */
#define IRIS_UTIME
/*
* Define HAVE_SELECT if the system supports the `select' system call.
*/
#define HAVE_SELECT
/*
* Define HAVE_PTYS if the system supports pty devices.
*/
#define HAVE_PTYS
/* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */
#define HAVE_SOCKETS
/*
* Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
* The 4.2 opendir, etc., library functions.
*/
/* #define NONSYSTEM_DIR_LIBRARY */
/* Define this symbol if your system has the functions bcopy, etc. */
#define BSTRING
/* subprocesses should be defined if you want to
have code for asynchronous subprocesses
(as used in M-x compile and M-x shell).
This is generally OS dependent, and not supported
under most USG systems. */
#define subprocesses
/* If your system uses COFF (Common Object File Format) then define the
preprocessor symbol "COFF". */
/* #define COFF */
/* define MAIL_USE_FLOCK if the mailer uses flock
to interlock access to /usr/spool/mail/$USER.
The alternative is that a lock file named
/usr/spool/mail/$USER.lock. */
/* #define MAIL_USE_FLOCK */
/* Define CLASH_DETECTION if you want lock files to be written
so that Emacs can tell instantly when you try to modify
a file that someone else has modified in his Emacs. */
/* #define CLASH_DETECTION */
/* We use the Berkeley (and usg5.2.2) interface to nlist. */
#define NLIST_STRUCT
/* The file containing the kernel's symbol table is called /unix. */
#define KERNEL_FILE "/unix"
/* The symbol in the kernel where the load average is found
is named _avenrun. (Actually, no such symbol is right;
sysmp must be used to find the address.) */
#define LDAV_SYMBOL "avenrun"
/* setjmp and longjmp can safely replace _setjmp and _longjmp,
but they will run slower. */
#define _setjmp setjmp
#define _longjmp longjmp
/* On USG systems the system calls are interruptable by signals
that the user program has elected to catch. Thus the system call
must be retried in these cases. To handle this without massive
changes in the source code, we remap the standard system call names
to names for our own functions in sysdep.c that do the system call
with retries. */
#define read sys_read
#define open sys_open
#define write sys_write
#define INTERRUPTABLE_OPEN
#define INTERRUPTABLE_IO
/* On USG systems these have different names */
#define index strchr
#define rindex strrchr
/* Use setsid to handle terminals for subprocesses. */
#define HAVE_SETSID
/* getwd is defined. */
#define HAVE_GETWD
/* Implementation of uname is broken on Irix as of version 3.3 */
#define HAVE_GETHOSTNAME
#define HAVE_SYSVIPC
/* Define C_ALLOCA if this machine does not support a true alloca
and the one written in C should be used instead.
Define HAVE_ALLOCA to say that the system provides a properly
working alloca function and it should be used.
Define neither one if an assembler-language alloca
in the file alloca.s should be used. */
#define C_ALLOCA
/* #define HAVE_ALLOCA */
/* Send a signal to a subprocess by "typing" a signal character. */
#define SIGNALS_VIA_CHARACTERS