[bpt/emacs.git] / src / s / iris3-6.h

/* Definitions file for GNU Emacs running on Silicon Graphics system 3.6.
   Copyright (C) 1987 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 2, 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, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */


/*
 *	Define symbols to identify the version of Unix this is.
 *	Define all the symbols that apply correctly.
 */

#define USG
#define USG5
#define IRIS

/* SYSTEM_TYPE should indicate the kind of system you are using.
 It sets the Lisp variable system-type.  */

#define SYSTEM_TYPE "irix"

/* 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_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 /vmunix.  */

#define KERNEL_FILE "/vmunix"

/* The symbol in the kernel where the load average is found
   is named _avenrun.  */

#define LDAV_SYMBOL "_avenrun"

\f
/* Special hacks needed to make Emacs run on this system.  */

/*
 *	Make the sigsetmask function go away.  Don't know what the
 *	ramifications of this are, but doesn't seem possible to
 *	emulate it properly anyway at this point.
 */

#define sigsetmask(mask)	/* Null expansion */
#define sigblock(x) x

/* The IRIS defines SIGIO in signal.h, but doesn't implement it. */
#undef SIGIO

#define LIBS_MACHINE -lbsd -ldbm -lPW
#define C_SWITCH_MACHINE -I/usr/include/bsd

/* 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 interruptible 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 INTERRUPTIBLE_OPEN
#define INTERRUPTIBLE_IO

/* On USG systems these have different names */

#define index strchr
#define rindex strrchr

/* USG systems tend to put everything declared static
   into the initialized data area, which becomes pure after dumping Emacs.
   Foil this.  Emacs carefully avoids static vars inside functions.  */

/* #define static */

/* Compiler bug bites on many systems when default ADDR_CORRECT is used.  */

#define ADDR_CORRECT(x) (int)((char *)(x) - (char*)0)

/* some errno.h's don't actually allocate the variable itself */

#define NEED_ERRNO

/* This is how to get the device name of the tty end of a pty.  */
#define PTY_TTY_NAME_SPRINTF \
 	    sprintf (ptyname, "/dev/ttyq%d", minor (stb.st_rdev));

/* The C library does have the getwd function.  */
#define HAVE_GETWD
Commit	Line	Data
20c428fd JB	1	/* Definitions file for GNU Emacs running on Silicon Graphics system 3.6.
	2	Copyright (C) 1987 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
17385adc	8	the Free Software Foundation; either version 2, or (at your option)
20c428fd JB	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 GNU Emacs; see the file COPYING. If not, write to
3b7ad313 EN	18	the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
3b7ad313 EN	19	Boston, MA 02111-1307, USA. */
20c428fd JB	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
	28	#define USG5
	29	#define IRIS
	30
	31	/* SYSTEM_TYPE should indicate the kind of system you are using.
	32	It sets the Lisp variable system-type. */
	33
	34	#define SYSTEM_TYPE "irix"
	35
	36	/* nomultiplejobs should be defined if your system's shell
	37	does not have "job control" (the ability to stop a program,
	38	run some other program, then continue the first one). */
	39
	40	#define NOMULTIPLEJOBS
	41
	42	/* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
	43
	44	/* #define INTERRUPT_INPUT */
	45
	46	/* Letter to use in finding device name of first pty,
	47	if system supports pty's. 'a' means it is /dev/ptya0 */
	48
	49	#define FIRST_PTY_LETTER 'a'
	50
	51	/*
	52	* Define HAVE_TERMIO if the system provides sysV-style ioctls
	53	* for terminal control.
	54	*/
	55
	56	#define HAVE_TERMIO
	57
20c428fd JB	58	/*
	59	* Define HAVE_PTYS if the system supports pty devices.
	60	*/
	61
	62	#define HAVE_PTYS
	63
	64	/* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */
	65
	66	#define HAVE_SOCKETS
	67
	68	/*
	69	* Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
	70	* The 4.2 opendir, etc., library functions.
	71	*/
	72
	73	/* #define NONSYSTEM_DIR_LIBRARY */
	74
	75	/* Define this symbol if your system has the functions bcopy, etc. */
	76
	77	#define BSTRING
	78
	79	/* subprocesses should be defined if you want to
	80	have code for asynchronous subprocesses
	81	(as used in M-x compile and M-x shell).
	82	This is generally OS dependent, and not supported
	83	under most USG systems. */
	84
	85	#define subprocesses
	86
	87	/* If your system uses COFF (Common Object File Format) then define the
	88	preprocessor symbol "COFF". */
	89
	90	/* #define COFF */
	91
	92	/* define MAIL_USE_FLOCK if the mailer uses flock
	93	to interlock access to /usr/spool/mail/$USER.
	94	The alternative is that a lock file named
	95	/usr/spool/mail/$USER.lock. */
	96
503ffb1e	97	#define MAIL_USE_FLOCK
20c428fd JB	98
	99	/* Define CLASH_DETECTION if you want lock files to be written
	100	so that Emacs can tell instantly when you try to modify
	101	a file that someone else has modified in his Emacs. */
	102
	103	/* #define CLASH_DETECTION */
	104
	105	/* We use the Berkeley (and usg5.2.2) interface to nlist. */
	106
	107	#define NLIST_STRUCT
	108
	109	/* The file containing the kernel's symbol table is called /vmunix. */
	110
	111	#define KERNEL_FILE "/vmunix"
	112
	113	/* The symbol in the kernel where the load average is found
	114	is named _avenrun. */
	115
	116	#define LDAV_SYMBOL "_avenrun"
	117
	118	\f
	119	/* Special hacks needed to make Emacs run on this system. */
	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	#define sigblock(x) x
	129
	130	/* The IRIS defines SIGIO in signal.h, but doesn't implement it. */
	131	#undef SIGIO
	132
	133	#define LIBS_MACHINE -lbsd -ldbm -lPW
	134	#define C_SWITCH_MACHINE -I/usr/include/bsd
	135
	136	/* setjmp and longjmp can safely replace _setjmp and _longjmp,
	137	but they will run slower. */
	138
	139	#define _setjmp setjmp
	140	#define _longjmp longjmp
	141
eb8c3be9	142	/* On USG systems the system calls are interruptible by signals
20c428fd JB	143	that the user program has elected to catch. Thus the system call
	144	must be retried in these cases. To handle this without massive
	145	changes in the source code, we remap the standard system call names
	146	to names for our own functions in sysdep.c that do the system call
	147	with retries. */
	148
	149	#define read sys_read
	150	#define open sys_open
	151	#define write sys_write
	152
	153	#define INTERRUPTIBLE_OPEN
	154	#define INTERRUPTIBLE_IO
	155
	156	/* On USG systems these have different names */
	157
	158	#define index strchr
	159	#define rindex strrchr
	160
	161	/* USG systems tend to put everything declared static
	162	into the initialized data area, which becomes pure after dumping Emacs.
	163	Foil this. Emacs carefully avoids static vars inside functions. */
	164
	165	/* #define static */
	166
	167	/* Compiler bug bites on many systems when default ADDR_CORRECT is used. */
	168
	169	#define ADDR_CORRECT(x) (int)((char )(x) - (char)0)
	170
	171	/* some errno.h's don't actually allocate the variable itself */
	172
	173	#define NEED_ERRNO
	174
	175	/* This is how to get the device name of the tty end of a pty. */
	176	#define PTY_TTY_NAME_SPRINTF \
	177	sprintf (ptyname, "/dev/ttyq%d", minor (stb.st_rdev));
35e46c62 JB	178
	179	/* The C library does have the getwd function. */
	180	#define HAVE_GETWD