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Annotation of 43BSDReno/contrib/emacs-18.55/src/s-iris3-6.h, revision 1.1

1.1     ! root        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 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
        !            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 "silicon-graphics-unix"
        !            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: 
        !            58: /*
        !            59:  *     Define HAVE_TIMEVAL if the system supports the BSD style clock values.
        !            60:  *     Look in <sys/time.h> for a timeval structure.
        !            61:  */
        !            62: 
        !            63: #define HAVE_TIMEVAL
        !            64: 
        !            65: /* `utime' system call doesn't understand timevals.  */
        !            66: 
        !            67: #define IRIS_UTIME
        !            68:  
        !            69: /*
        !            70:  *     Define HAVE_SELECT if the system supports the `select' system call.
        !            71:  */
        !            72: 
        !            73: #define HAVE_SELECT
        !            74: 
        !            75: /*
        !            76:  *     Define HAVE_PTYS if the system supports pty devices.
        !            77:  */
        !            78: 
        !            79: #define HAVE_PTYS
        !            80: 
        !            81: /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
        !            82: 
        !            83: #define HAVE_SOCKETS
        !            84: 
        !            85: /*
        !            86:  *     Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
        !            87:  *      The 4.2 opendir, etc., library functions.
        !            88:  */
        !            89: 
        !            90: /* #define NONSYSTEM_DIR_LIBRARY */
        !            91: 
        !            92: /* Define this symbol if your system has the functions bcopy, etc. */
        !            93: 
        !            94: #define BSTRING
        !            95: 
        !            96: /* subprocesses should be defined if you want to
        !            97:    have code for asynchronous subprocesses
        !            98:    (as used in M-x compile and M-x shell).
        !            99:    This is generally OS dependent, and not supported
        !           100:    under most USG systems. */
        !           101: 
        !           102: #define subprocesses
        !           103: 
        !           104: /* If your system uses COFF (Common Object File Format) then define the
        !           105:    preprocessor symbol "COFF". */
        !           106: 
        !           107: /* #define COFF */
        !           108: 
        !           109: /* define MAIL_USE_FLOCK if the mailer uses flock
        !           110:    to interlock access to /usr/spool/mail/$USER.
        !           111:    The alternative is that a lock file named
        !           112:    /usr/spool/mail/$USER.lock.  */
        !           113: 
        !           114: /* #define MAIL_USE_FLOCK */
        !           115: 
        !           116: /* Define CLASH_DETECTION if you want lock files to be written
        !           117:    so that Emacs can tell instantly when you try to modify
        !           118:    a file that someone else has modified in his Emacs.  */
        !           119: 
        !           120: /* #define CLASH_DETECTION */
        !           121: 
        !           122: /* We use the Berkeley (and usg5.2.2) interface to nlist.  */
        !           123: 
        !           124: #define NLIST_STRUCT
        !           125: 
        !           126: /* The file containing the kernel's symbol table is called /vmunix.  */
        !           127: 
        !           128: #define KERNEL_FILE "/vmunix"
        !           129: 
        !           130: /* The symbol in the kernel where the load average is found
        !           131:    is named _avenrun.  */
        !           132: 
        !           133: #define LDAV_SYMBOL "_avenrun"
        !           134: 
        !           135: 
        !           136: /* Special hacks needed to make Emacs run on this system.  */
        !           137: 
        !           138: /*
        !           139:  *     Make the sigsetmask function go away.  Don't know what the
        !           140:  *     ramifications of this are, but doesn't seem possible to
        !           141:  *     emulate it properly anyway at this point.
        !           142:  */
        !           143: 
        !           144: #define sigsetmask(mask)       /* Null expansion */
        !           145: #define sigblock(x) x
        !           146: 
        !           147: /* The IRIS defines SIGIO in signal.h, but doesn't implement it. */
        !           148: #undef SIGIO
        !           149: 
        !           150: #define LIBS_MACHINE -lbsd -ldbm -lPW
        !           151: #define C_SWITCH_MACHINE -I/usr/include/bsd
        !           152: 
        !           153: /* setjmp and longjmp can safely replace _setjmp and _longjmp,
        !           154:    but they will run slower.  */
        !           155: 
        !           156: #define _setjmp setjmp
        !           157: #define _longjmp longjmp
        !           158: 
        !           159: /* On USG systems the system calls are interruptable by signals
        !           160:  that the user program has elected to catch.  Thus the system call
        !           161:  must be retried in these cases.  To handle this without massive
        !           162:  changes in the source code, we remap the standard system call names
        !           163:  to names for our own functions in sysdep.c that do the system call
        !           164:  with retries. */
        !           165: 
        !           166: #define read sys_read
        !           167: #define open sys_open
        !           168: #define write sys_write
        !           169: 
        !           170: #define INTERRUPTABLE_OPEN
        !           171: #define INTERRUPTABLE_IO
        !           172: 
        !           173: /* On USG systems these have different names */
        !           174: 
        !           175: #define index strchr
        !           176: #define rindex strrchr
        !           177: 
        !           178: /* USG systems tend to put everything declared static
        !           179:    into the initialized data area, which becomes pure after dumping Emacs.
        !           180:    Foil this.  Emacs carefully avoids static vars inside functions.  */
        !           181: 
        !           182: /* #define static */
        !           183: 
        !           184: /* Compiler bug bites on many systems when default ADDR_CORRECT is used.  */
        !           185: 
        !           186: #define ADDR_CORRECT(x) (int)((char *)(x) - (char*)0)
        !           187: 
        !           188: /* some errno.h's don't actually allocate the variable itself */
        !           189: 
        !           190: #define NEED_ERRNO

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