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

1.1     ! root        1: /* Definitions file for GNU Emacs running on UMAX 4.2
        !             2:    Copyright (C) 1985, 1986 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 UNIPLUS */
        !            28: /* #define USG5 */
        !            29: /* #define USG */
        !            30: /* #define BSD4_1 */
        !            31: #define BSD4_2
        !            32: /* #define BSD4_3 */
        !            33: #define BSD
        !            34: #define UMAX4_2
        !            35: #define UMAX
        !            36: /* #define VMS */
        !            37: 
        !            38: /* SYSTEM_TYPE should indicate the kind of system you are using.
        !            39:  It sets the Lisp variable system-type.  */
        !            40: 
        !            41: #define SYSTEM_TYPE "berkeley-unix"
        !            42: 
        !            43: /* NOMULTIPLEJOBS should be defined if your system's shell
        !            44:  does not have "job control" (the ability to stop a program,
        !            45:  run some other program, then continue the first one).  */
        !            46: 
        !            47: /* #define NOMULTIPLEJOBS */
        !            48: 
        !            49: /* Emacs can read input using SIGIO and buffering characters itself,
        !            50:    or using CBREAK mode and making C-g cause SIGINT.
        !            51:    The choice is controlled by the variable interrupt_input.
        !            52:    Define INTERRUPT_INPUT to make interrupt_input = 1 the default (use SIGIO)
        !            53: 
        !            54:    SIGIO can be used only on systems that implement it (4.2 and 4.3).
        !            55:    CBREAK mode has two disadvatages
        !            56:      1) At least in 4.2, it is impossible to handle the Meta key properly.
        !            57:         I hear that in system V this problem does not exist.
        !            58:      2) Control-G causes output to be discarded.
        !            59:         I do not know whether this can be fixed in system V.
        !            60: 
        !            61:    Another method of doing input is planned but not implemented.
        !            62:    It would have Emacs fork off a separate process
        !            63:    to read the input and send it to the true Emacs process
        !            64:    through a pipe.
        !            65: */
        !            66: 
        !            67: #define INTERRUPT_INPUT
        !            68: 
        !            69: /* Letter to use in finding device name of first pty,
        !            70:   if system supports pty's.  'a' means it is /dev/ptya0  */
        !            71: 
        !            72: #define FIRST_PTY_LETTER 'p'
        !            73: 
        !            74: /*
        !            75:  *     Define HAVE_TIMEVAL if the system supports the BSD style clock values.
        !            76:  *     Look in <sys/time.h> for a timeval structure.
        !            77:  */
        !            78: 
        !            79: #define HAVE_TIMEVAL
        !            80: 
        !            81: /*
        !            82:  *     Define HAVE_SELECT if the system supports the `select' system call.
        !            83:  */
        !            84: 
        !            85: #define HAVE_SELECT
        !            86: 
        !            87: /*
        !            88:  *     Define HAVE_PTYS if the system supports pty devices.
        !            89:  */
        !            90: 
        !            91: #define HAVE_PTYS
        !            92: 
        !            93: /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
        !            94: 
        !            95: #define HAVE_SOCKETS
        !            96: 
        !            97: /*
        !            98:  *     Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
        !            99:  *      The 4.2 opendir, etc., library functions.
        !           100:  */
        !           101: 
        !           102: /* #define NONSYSTEM_DIR_LIBRARY */
        !           103: 
        !           104: /* Define this symbol if your system has the functions bcopy, etc. */
        !           105: 
        !           106: #define BSTRING
        !           107: 
        !           108: /* subprocesses should be defined if you want to
        !           109:    have code for asynchronous subprocesses
        !           110:    (as used in M-x compile and M-x shell).
        !           111:    This is generally OS dependent, and not supported
        !           112:    under most USG systems. */
        !           113: 
        !           114: #define subprocesses
        !           115: 
        !           116: /* If your system uses COFF (Common Object File Format) then define the
        !           117:    preprocessor symbol "COFF". */
        !           118: 
        !           119: #define COFF
        !           120: 
        !           121: /* define MAIL_USE_FLOCK if the mailer uses flock
        !           122:    to interlock access to /usr/spool/mail/$USER.
        !           123:    The alternative is that a lock file named
        !           124:    /usr/spool/mail/$USER.lock.  */
        !           125: 
        !           126: #define MAIL_USE_FLOCK
        !           127: 
        !           128: /* Define CLASH_DETECTION if you want lock files to be written
        !           129:    so that Emacs can tell instantly when you try to modify
        !           130:    a file that someone else has modified in his Emacs.  */
        !           131: 
        !           132: #define CLASH_DETECTION
        !           133: 
        !           134: /* We use the Berkeley (and usg5.2.2) interface to nlist.  */
        !           135: 
        !           136: #define NLIST_STRUCT
        !           137: 
        !           138: /* The file containing the kernel's symbol table is called /vmunix.  */
        !           139: 
        !           140: #define KERNEL_FILE "/vmunix"
        !           141: 
        !           142: /* The symbol in the kernel where the load average is found
        !           143:    is named _avenrun.  */
        !           144: 
        !           145: #define LDAV_SYMBOL "_avenrun"
        !           146: 
        !           147: /* Here, on a separate page, add any special hacks needed
        !           148:    to make Emacs work on this system.  For example,
        !           149:    you might define certain system call names that don't
        !           150:    exist on your system, or that do different things on
        !           151:    your system and must be used only through an encapsulation
        !           152:    (Which you should place, by convention, in sysdep.c).  */
        !           153: 
        !           154: /* Specify alignment requirement for start of text and data sections
        !           155:    in the executable file.  */
        !           156: 
        !           157: #define SECTION_ALIGNMENT pagemask
        !           158: 
        !           159: 
        !           160: #define SEGMENT_MASK   (64 * 1024 - 1)
        !           161: 
        !           162: 
        !           163: /* crt0.c needs this for compilation because it uses asm.  */  
        !           164: 
        !           165: #define C_SWITCH_ASM -q nodirect_code
        !           166: 
        !           167: /* Encore machines with APC processor boards align sections on 4M
        !           168:    boundaries, so it is not easy to remap the start of the text segment
        !           169:    in the unexec() routine.  For them you need the following two lines.
        !           170:    For DPC processors you can enable these or not, as you wish, but
        !           171:    you will get better performance without them.  */
        !           172: 
        !           173: /* #define NO_REMAP
        !           174:    #define TEXT_START 0
        !           175: */

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