Annotation of GNUtools/emacs/src/s-irix3-3.h, revision 1.1.1.1

1.1       root        1: /* Definitions file for GNU Emacs running on Silicon Graphics Irix system 3.3.
                      2:    Copyright (C) 1987,1990 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
                      8: the Free Software Foundation; either version 1, or (at your option)
                      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
                     18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
                     19: 
                     20: 
                     21: /*
                     22:  *     Define symbols to identify the version of Unix this is.
                     23:  *     Define all the symbols that apply correctly.
                     24:  */
                     25: 
                     26: #define USG
                     27: #define USG5
                     28: #define IRIS
                     29: #ifndef IRIX
                     30: #define IRIX
                     31: #endif
                     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 "silicon-graphics-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.  'a' means it is /dev/ptya0  */
                     50: 
                     51: #define FIRST_PTY_LETTER 'a'
                     52: 
                     53: /*
                     54:  *     Define HAVE_TERMIO if the system provides sysV-style ioctls
                     55:  *     for terminal control.
                     56:  */
                     57: 
                     58: #define HAVE_TERMIO
                     59: 
                     60: /*
                     61:  *     Define HAVE_TIMEVAL if the system supports the BSD style clock values.
                     62:  *     Look in <sys/time.h> for a timeval structure.
                     63:  */
                     64: 
                     65: #define HAVE_TIMEVAL
                     66: 
                     67: /* `utime' system call doesn't understand timevals.  */
                     68: 
                     69: #define IRIS_UTIME
                     70:  
                     71: /*
                     72:  *     Define HAVE_SELECT if the system supports the `select' system call.
                     73:  */
                     74: 
                     75: #define HAVE_SELECT
                     76: 
                     77: /*
                     78:  *     Define HAVE_PTYS if the system supports pty devices.
                     79:  */
                     80: 
                     81: #define HAVE_PTYS
                     82: 
                     83: /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
                     84: 
                     85: #define HAVE_SOCKETS
                     86: 
                     87: /*
                     88:  *     Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
                     89:  *      The 4.2 opendir, etc., library functions.
                     90:  */
                     91: 
                     92: /* #define NONSYSTEM_DIR_LIBRARY */
                     93: 
                     94: /* Define this symbol if your system has the functions bcopy, etc. */
                     95: 
                     96: #define BSTRING
                     97: 
                     98: /* subprocesses should be defined if you want to
                     99:    have code for asynchronous subprocesses
                    100:    (as used in M-x compile and M-x shell).
                    101:    This is generally OS dependent, and not supported
                    102:    under most USG systems. */
                    103: 
                    104: #define subprocesses
                    105: 
                    106: /* If your system uses COFF (Common Object File Format) then define the
                    107:    preprocessor symbol "COFF". */
                    108: 
                    109: /* #define COFF */
                    110: 
                    111: /* define MAIL_USE_FLOCK if the mailer uses flock
                    112:    to interlock access to /usr/spool/mail/$USER.
                    113:    The alternative is that a lock file named
                    114:    /usr/spool/mail/$USER.lock.  */
                    115: 
                    116: /* #define MAIL_USE_FLOCK */
                    117: 
                    118: /* Define CLASH_DETECTION if you want lock files to be written
                    119:    so that Emacs can tell instantly when you try to modify
                    120:    a file that someone else has modified in his Emacs.  */
                    121: 
                    122: /* #define CLASH_DETECTION */
                    123: 
                    124: /* We 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.  (Actually, no such symbol is right;
                    134:    sysmp must be used to find the address.)  */
                    135: 
                    136: #define LDAV_SYMBOL "avenrun"
                    137: 
                    138: /* setjmp and longjmp can safely replace _setjmp and _longjmp,
                    139:    but they will run slower.  */
                    140: 
                    141: #define _setjmp setjmp
                    142: #define _longjmp longjmp
                    143: 
                    144: /* On USG systems the system calls are interruptable by signals
                    145:  that the user program has elected to catch.  Thus the system call
                    146:  must be retried in these cases.  To handle this without massive
                    147:  changes in the source code, we remap the standard system call names
                    148:  to names for our own functions in sysdep.c that do the system call
                    149:  with retries. */
                    150: 
                    151: #define read sys_read
                    152: #define open sys_open
                    153: #define write sys_write
                    154: 
                    155: #define INTERRUPTABLE_OPEN
                    156: #define INTERRUPTABLE_IO
                    157: 
                    158: /* On USG systems these have different names */
                    159: 
                    160: #define index strchr
                    161: #define rindex strrchr
                    162: 
                    163: /* Use setsid to handle terminals for subprocesses.  */
                    164: #define HAVE_SETSID
                    165: 
                    166: /* getwd is defined.  */
                    167: #define HAVE_GETWD
                    168: 
                    169: /* Implementation of uname is broken on Irix as of version 3.3 */
                    170: #define HAVE_GETHOSTNAME
                    171: 
                    172: #define HAVE_SYSVIPC
                    173: 
                    174: /* Define C_ALLOCA if this machine does not support a true alloca
                    175:    and the one written in C should be used instead.
                    176:    Define HAVE_ALLOCA to say that the system provides a properly
                    177:    working alloca function and it should be used.
                    178:    Define neither one if an assembler-language alloca
                    179:    in the file alloca.s should be used.  */
                    180: 
                    181: #define C_ALLOCA
                    182: /* #define HAVE_ALLOCA */
                    183: 
                    184: /* Send a signal to a subprocess by "typing" a signal character.  */
                    185: 
                    186: #define SIGNALS_VIA_CHARACTERS

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