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Annotation of 43BSDReno/contrib/emacs-18.55/src/s-bsd4-1.h, revision 1.1

1.1     ! root        1: /* Definitions file for GNU Emacs running on bsd 4.1.
        !             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 BSD4_1
        !            28: 
        !            29: #define BSD
        !            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 "berkeley-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 1: do input buffering within Emacs */
        !            43: 
        !            44: #define INTERRUPT_INPUT
        !            45: 
        !            46: /* First pty name is /dev/ptyp0.  */
        !            47: 
        !            48: #define FIRST_PTY_LETTER 'p'
        !            49:  
        !            50: /*
        !            51:  *     Define HAVE_TIMEVAL if the system supports the BSD style clock values.
        !            52:  *     Look in <sys/time.h> for a timeval structure.
        !            53:  */
        !            54: 
        !            55: #undef HAVE_TIMEVAL
        !            56:  
        !            57: /*
        !            58:  *     Define HAVE_SELECT if the system supports the `select' system call.
        !            59:  */
        !            60: 
        !            61: /* #define HAVE_SELECT */
        !            62: 
        !            63: /*
        !            64:  *     Define HAVE_PTYS if the system supports pty devices.
        !            65:  */
        !            66: 
        !            67: /* #define HAVE_PTYS */
        !            68: 
        !            69: /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
        !            70: 
        !            71: /* #define HAVE_SOCKETS */
        !            72: 
        !            73: /*
        !            74:  *     Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
        !            75:  *      The 4.2 opendir, etc., library functions.
        !            76:  */
        !            77: 
        !            78: #define NONSYSTEM_DIR_LIBRARY
        !            79: 
        !            80: /* Define this symbol if your system has the functions bcopy, etc. */
        !            81: 
        !            82: /* #define BSTRING */
        !            83: 
        !            84: /* subprocesses should be defined if you want to
        !            85:    have code for asynchronous subprocesses
        !            86:    (as used in M-x compile and M-x shell).
        !            87:    This is generally OS dependent, and not supported
        !            88:    under most USG systems. */
        !            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: #undef CLASH_DETECTION    /* Might work; not tried yet.  */
        !           109: 
        !           110: /* We use the Berkeley (and usg5.2.2) interface to nlist.  */
        !           111: 
        !           112: #define NLIST_STRUCT
        !           113: 
        !           114: /* The file containing the kernel's symbol table is called /vmunix.  */
        !           115: 
        !           116: #define KERNEL_FILE "/vmunix"
        !           117: 
        !           118: /* The symbol in the kernel where the load average is found
        !           119:    is named _avenrun.  */
        !           120: 
        !           121: #define LDAV_SYMBOL "_avenrun"
        !           122: 
        !           123: /* Special hacks needed to make Emacs run on this system.  */
        !           124: 
        !           125: /* Make the function `signal' act as in 4.2.  */
        !           126: 
        !           127: #define signal sigset
        !           128: 
        !           129: #define _longjmp longjmp
        !           130: #define _setjmp setjmp
        !           131: 
        !           132: #define lstat stat
        !           133: 
        !           134: /* sys_open handles the necessary 4.2 features for open.  */
        !           135: 
        !           136: #define open sys_open
        !           137: 
        !           138: /* Names of flags for open.  */
        !           139: #define O_RDONLY 0
        !           140: #define O_WRONLY 1
        !           141: #define O_RDWR 2
        !           142: #define O_EXCL 2000
        !           143: #define O_CREAT 1000
        !           144: 
        !           145: /* Special library needed for linking for 4.1.  */
        !           146: #define LIBS_SYSTEM -ljobs

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