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Annotation of 43BSD/contrib/emacs/src/s-unipl5.2.h, revision 1.1

1.1     ! root        1: /* Definitions file for GNU Emacs running on UniSoft's UniPlus 5.2
        !             2:    Copyright (C) 1985 Richard M. Stallman.
        !             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                            /* System III, System V, etc */
        !            28: 
        !            29: #define USG5
        !            30: 
        !            31: #define UNIPLUS
        !            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 "unisoft-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.  'p' means it is /dev/ptyp0  */
        !            50: 
        !            51: #define FIRST_PTY_LETTER 'p'
        !            52: 
        !            53: /*
        !            54:  *     Define HAVE_TIMEVAL if the system supports the BSD style clock values.
        !            55:  *     Look in <sys/time.h> for a timeval structure.
        !            56:  */
        !            57: 
        !            58: #define HAVE_TIMEVAL
        !            59:  
        !            60: /*
        !            61:  *     Define HAVE_SELECT if the system supports the `select' system call.
        !            62:  */
        !            63: 
        !            64: #define HAVE_SELECT
        !            65: 
        !            66: /*
        !            67:  *     Define HAVE_PTYS if the system supports pty devices.
        !            68:  */
        !            69: 
        !            70: #define HAVE_PTYS
        !            71: 
        !            72: /*
        !            73:  *     Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
        !            74:  *      The 4.2 opendir, etc., library functions.
        !            75:  */
        !            76: 
        !            77: #define NONSYSTEM_DIR_LIBRARY
        !            78: 
        !            79: /* Define this symbol if your system has the functions bcopy, etc. */
        !            80: 
        !            81: /* #define BSTRING */
        !            82: 
        !            83: /* subprocesses should be defined if you want to
        !            84:  have code for asynchronous subprocesses
        !            85:  (as used in M-x compile and M-x shell).
        !            86:  This is generally OS dependent, and not supported
        !            87:  under most USG systems.  It is supported under UniPlus
        !            88:  System V Release 2. */
        !            89: 
        !            90: #define subprocesses
        !            91: 
        !            92: /* If your system uses COFF (Common Object File Format) then define the
        !            93:    preprocessor symbol "COFF". */
        !            94: 
        !            95: #define COFF
        !            96: 
        !            97: /* define MAIL_USE_FLOCK if the mailer uses flock
        !            98:    to interlock access to /usr/spool/mail/$USER.
        !            99:    The alternative is that a lock file named
        !           100:    /usr/spool/mail/$USER.lock.  */
        !           101: 
        !           102: /* #define MAIL_USE_FLOCK */
        !           103: 
        !           104: /* Define CLASH_DETECTION if you want lock files to be written
        !           105:    so that Emacs can tell instantly when you try to modify
        !           106:    a file that someone else has modified in his Emacs.  */
        !           107: 
        !           108: /* #define CLASH_DETECTION */
        !           109: 
        !           110: /* Uniplus 5.2 supports long names in C */
        !           111: 
        !           112: /* #define SHORTNAMES */
        !           113: 
        !           114: /* Special hacks needed to make Emacs run on this system.  */
        !           115: 
        !           116: /* Define this to cause -N to be passed to ld.  This is needed
        !           117:    in uniplus because of its funny memory space layout.  */
        !           118: 
        !           119: #define LOADER_N_SWITCH
        !           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: 
        !           129: /* setjmp and longjmp can safely replace _setjmp and _longjmp,
        !           130:    but they will run slower.  */
        !           131: 
        !           132: #define _setjmp setjmp
        !           133: #define _longjmp longjmp
        !           134: 
        !           135: /* On USG systems the system calls are interruptable by signals
        !           136:  that the user program has elected to catch.  Thus the system call
        !           137:  must be retried in these cases.  To handle this without massive
        !           138:  changes in the source code, we remap the standard system call names
        !           139:  to names for our own functions in sysdep.c that do the system call
        !           140:  with retries. */
        !           141: 
        !           142: #define read sys_read
        !           143: #define open sys_open
        !           144: #define write sys_write
        !           145: 
        !           146: /* On USG systems these have different names */
        !           147: 
        !           148: #define index strchr
        !           149: #define rindex strrchr
        !           150: 
        !           151: /* Compiler bug bites when default ADDR_CORRECT is used.  */
        !           152: 
        !           153: #define ADDR_CORRECT(x) (x)

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