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