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

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