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Annotation of 43BSDReno/contrib/emacs-18.55/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, 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 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_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: /*
        !            68:  *     Define HAVE_SELECT if the system supports the `select' system call.
        !            69:  */
        !            70: 
        !            71: #define HAVE_SELECT
        !            72: 
        !            73: /*
        !            74:  *     Define HAVE_PTYS if the system supports pty devices.
        !            75:  */
        !            76: 
        !            77: #define HAVE_PTYS
        !            78: 
        !            79: /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
        !            80: 
        !            81: /* #define HAVE_SOCKETS */
        !            82: 
        !            83: /*
        !            84:  *     Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
        !            85:  *      The 4.2 opendir, etc., library functions.
        !            86:  */
        !            87: 
        !            88: #define NONSYSTEM_DIR_LIBRARY
        !            89: 
        !            90: /* Define this symbol if your system has the functions bcopy, etc. */
        !            91: 
        !            92: /* #define BSTRING */
        !            93: 
        !            94: /* subprocesses should be defined if you want to
        !            95:  have code for asynchronous subprocesses
        !            96:  (as used in M-x compile and M-x shell).
        !            97:  This is generally OS dependent, and not supported
        !            98:  under most USG systems.  It is supported under UniPlus
        !            99:  System V Release 2. */
        !           100: 
        !           101: #define subprocesses
        !           102: 
        !           103: /* If your system uses COFF (Common Object File Format) then define the
        !           104:    preprocessor symbol "COFF". */
        !           105: 
        !           106: #define COFF
        !           107: 
        !           108: /* define MAIL_USE_FLOCK if the mailer uses flock
        !           109:    to interlock access to /usr/spool/mail/$USER.
        !           110:    The alternative is that a lock file named
        !           111:    /usr/spool/mail/$USER.lock.  */
        !           112: 
        !           113: /* #define MAIL_USE_FLOCK */
        !           114: 
        !           115: /* Define CLASH_DETECTION if you want lock files to be written
        !           116:    so that Emacs can tell instantly when you try to modify
        !           117:    a file that someone else has modified in his Emacs.  */
        !           118: 
        !           119: /* #define CLASH_DETECTION */
        !           120: 
        !           121: /* Uniplus 5.2 supports long names in C */
        !           122: 
        !           123: /* #define SHORTNAMES */
        !           124: 
        !           125: /* We do NOT use the Berkeley (and usg5.2.2) interface to nlist.  */
        !           126: 
        !           127: /* #define NLIST_STRUCT */
        !           128: 
        !           129: /* The file containing the kernel's symbol table is called /unix.  */
        !           130: 
        !           131: #define KERNEL_FILE "/unix"
        !           132: 
        !           133: /* The symbol in the kernel where the load average is found
        !           134:    is named avenrun.  */
        !           135: 
        !           136: #define LDAV_SYMBOL "avenrun"
        !           137: 
        !           138: /* Special hacks needed to make Emacs run on this system.  */
        !           139: 
        !           140: /*
        !           141:  *     Make the sigsetmask function go away.  Don't know what the
        !           142:  *     ramifications of this are, but doesn't seem possible to
        !           143:  *     emulate it properly anyway at this point.
        !           144:  */
        !           145: 
        !           146: #define sigsetmask(mask)       /* Null expansion */
        !           147: 
        !           148: /* setjmp and longjmp can safely replace _setjmp and _longjmp,
        !           149:    but they will run slower.  */
        !           150: 
        !           151: #define _setjmp setjmp
        !           152: #define _longjmp longjmp
        !           153: 
        !           154: /* On USG systems the system calls are interruptable by signals
        !           155:  that the user program has elected to catch.  Thus the system call
        !           156:  must be retried in these cases.  To handle this without massive
        !           157:  changes in the source code, we remap the standard system call names
        !           158:  to names for our own functions in sysdep.c that do the system call
        !           159:  with retries. */
        !           160: 
        !           161: #define read sys_read
        !           162: #define open sys_open
        !           163: #define write sys_write
        !           164: 
        !           165: #define INTERRUPTABLE_OPEN
        !           166: #define INTERRUPTABLE_IO
        !           167: 
        !           168: /* On USG systems these have different names */
        !           169: 
        !           170: #define index strchr
        !           171: #define rindex strrchr
        !           172: 
        !           173: /* Compiler bug bites when default ADDR_CORRECT is used.  */
        !           174: 
        !           175: #define ADDR_CORRECT(x) (x)
        !           176: 
        !           177: /* Special library needed for linking for Uniplus */
        !           178: 
        !           179: #define LIBS_SYSTEM -lnet
        !           180: 
        !           181: /* A system-specific loader switch is needed.  */
        !           182: 
        !           183: #define LD_SWITCH_SYSTEM -N -L/lib/libg /usr/lib/unshared.ld

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