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

1.1     ! root        1: /* Definitions file for GNU Emacs running on HPUX release 5.0.
        !             2:    Based on AT&T System V.2.
        !             3:    Copyright (C) 1985, 1986 Free Software Foundation, Inc.
        !             4: 
        !             5: This file is part of GNU Emacs.
        !             6: 
        !             7: GNU Emacs is distributed in the hope that it will be useful,
        !             8: but WITHOUT ANY WARRANTY.  No author or distributor
        !             9: accepts responsibility to anyone for the consequences of using it
        !            10: or for whether it serves any particular purpose or works at all,
        !            11: unless he says so in writing.  Refer to the GNU Emacs General Public
        !            12: License for full details.
        !            13: 
        !            14: Everyone is granted permission to copy, modify and redistribute
        !            15: GNU Emacs, but only under the conditions described in the
        !            16: GNU Emacs General Public License.   A copy of this license is
        !            17: supposed to have been given to you along with GNU Emacs so you
        !            18: can know your rights and responsibilities.  It should be in a
        !            19: file named COPYING.  Among other things, the copyright notice
        !            20: and this notice must be preserved on all copies.  */
        !            21: 
        !            22: 
        !            23: /*
        !            24:  *     Define symbols to identify the version of Unix this is.
        !            25:  *     Define all the symbols that apply correctly.
        !            26:  */
        !            27: 
        !            28: #define USG                            /* System III, System V, etc */
        !            29: 
        !            30: #define USG5
        !            31: 
        !            32: #define HPUX
        !            33: 
        !            34: /* SYSTEM_TYPE should indicate the kind of system you are using.
        !            35:  It sets the Lisp variable system-type.  */
        !            36: 
        !            37: #define SYSTEM_TYPE "hpux"
        !            38: 
        !            39: /* `nomultiplejobs' should be defined if your system's shell
        !            40:  does not have "job control" (the ability to stop a program,
        !            41:  run some other program, then continue the first one).
        !            42: 
        !            43:  On hpux this depends on the precise kind of machine in use,
        !            44:  so the m- file defines this symbol if appropriate.  */
        !            45: 
        !            46: /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
        !            47: 
        !            48: /* #define INTERRUPT_INPUT */
        !            49: 
        !            50: /* Letter to use in finding device name of first pty,
        !            51:   if system supports pty's.  'p' means it is /dev/ptym/ptyp0  */
        !            52: 
        !            53: #define FIRST_PTY_LETTER 'p'
        !            54: 
        !            55: /*
        !            56:  *     Define HAVE_TERMIO if the system provides sysV-style ioctls
        !            57:  *     for terminal control.
        !            58:  */
        !            59: 
        !            60: #define HAVE_TERMIO
        !            61: 
        !            62: /*
        !            63:  *     Define HAVE_TIMEVAL if the system supports the BSD style clock values.
        !            64:  *     Look in <sys/time.h> for a timeval structure.
        !            65:  */
        !            66: 
        !            67: #define HAVE_TIMEVAL
        !            68: 
        !            69: /* With HAVE_TIMEVAL define, Emacs expects to use `utimes'.
        !            70:    But HPUX does not have one.  */
        !            71: 
        !            72: #define MISSING_UTIMES
        !            73: 
        !            74: /*
        !            75:  *     Define HAVE_SELECT if the system supports the `select' system call.
        !            76:  */
        !            77: 
        !            78: #define HAVE_SELECT
        !            79: 
        !            80: /*
        !            81:  *     Define HAVE_PTYS if the system supports pty devices.
        !            82:  */
        !            83: 
        !            84: #define HAVE_PTYS
        !            85: 
        !            86: /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
        !            87: 
        !            88: #define HAVE_SOCKETS
        !            89: 
        !            90: /*
        !            91:  *     Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
        !            92:  *      The 4.2 opendir, etc., library functions.
        !            93:  */
        !            94: 
        !            95: /* #define NONSYSTEM_DIR_LIBRARY */
        !            96: 
        !            97: /* Define this symbol if your system has the functions bcopy, etc.
        !            98:  * s800 and later versions of s300 (s200) kernels have equivilents
        !            99:  * of the BSTRING functions of BSD.  If your s200 kernel doesn't have
        !           100:  * em comment out this section.
        !           101:  */
        !           102: 
        !           103: #define BSTRING
        !           104: 
        !           105: /* subprocesses should be defined if you want to
        !           106:  have code for asynchronous subprocesses
        !           107:  (as used in M-x compile and M-x shell).
        !           108:  This is generally OS dependent, and not supported
        !           109:  under most USG systems.  */
        !           110: 
        !           111: #define subprocesses
        !           112: 
        !           113: /* If your system uses COFF (Common Object File Format) then define the
        !           114:    preprocessor symbol "COFF". */
        !           115: 
        !           116: /* #define COFF */
        !           117: 
        !           118: /* define MAIL_USE_FLOCK if the mailer uses flock
        !           119:    to interlock access to /usr/spool/mail/$USER.
        !           120:    The alternative is that a lock file named
        !           121:    /usr/spool/mail/$USER.lock.  */
        !           122: 
        !           123: /* #define MAIL_USE_FLOCK */
        !           124: 
        !           125: /* Say we have the SYSV style of interprocess communication.  */
        !           126: 
        !           127: #define HAVE_SYSVIPC
        !           128: 
        !           129: /* Define CLASH_DETECTION if you want lock files to be written
        !           130:    so that Emacs can tell instantly when you try to modify
        !           131:    a file that someone else has modified in his Emacs.  */
        !           132: 
        !           133: /* #define CLASH_DETECTION */
        !           134: 
        !           135: /* Define SHORTNAMES if the C compiler can distinguish only
        !           136:    short names.  It means that the stuff in ../shortnames
        !           137:    must be run to convert the long names to short ones.
        !           138: 
        !           139:    Some USG systems support long names.
        !           140:    If yours is one, DO NOT change this file!
        !           141:    Do #undef SHORTNAMES in the m- file or in config.h.  */
        !           142: 
        !           143: /* #define SHORTNAMES */
        !           144: 
        !           145: /* We use the Berkeley (and usg5.2.2) interface to nlist.  */
        !           146: 
        !           147: #define NLIST_STRUCT
        !           148: 
        !           149: /* The file containing the kernel's symbol table is called /hp-ux.  */
        !           150: 
        !           151: #define KERNEL_FILE "/hp-ux"
        !           152: 
        !           153: /* The symbol in the kernel where the load average is found
        !           154:    depends on the cpu type, so we let the m- files define LDAV_SYMBOL.  */
        !           155: 
        !           156: /* Special hacks needed to make Emacs run on this system.  */
        !           157: 
        !           158: /*
        !           159:  *     Make the sigsetmask function go away.  Don't know what the
        !           160:  *     ramifications of this are, but doesn't seem possible to
        !           161:  *     emulate it properly anyway at this point.
        !           162:  */
        !           163: 
        !           164: /* HPUX has sigsetmask */
        !           165: /* #define sigsetmask(mask)    / * Null expansion * / */
        !           166: 
        !           167: /* setjmp and longjmp can safely replace _setjmp and _longjmp,
        !           168:    but they will run slower.  */
        !           169: 
        !           170: /* HP-UX has _setjmp and _longjmp */
        !           171: /*
        !           172: #define _setjmp setjmp
        !           173: #define _longjmp longjmp
        !           174: */
        !           175: 
        !           176: /* On USG systems the system calls are interruptable by signals
        !           177:  that the user program has elected to catch.  Thus the system call
        !           178:  must be retried in these cases.  To handle this without massive
        !           179:  changes in the source code, we remap the standard system call names
        !           180:  to names for our own functions in sysdep.c that do the system call
        !           181:  with retries. */
        !           182: 
        !           183: #define read sys_read
        !           184: #define open sys_open
        !           185: #define write sys_write
        !           186: 
        !           187: #define INTERRUPTABLE_OPEN
        !           188: #define INTERRUPTABLE_IO
        !           189: 
        !           190: /* Use the system provided termcap(3) library */
        !           191: #define TERMINFO
        !           192: 
        !           193: /* The 48-bit versions are more winning for Emacs.  */
        !           194: 
        !           195: #define rand lrand48
        !           196: #define srand srand48
        !           197: 
        !           198: /* In hpux, the symbol SIGIO is defined, but the feature
        !           199:    does not really exist.
        !           200: 
        !           201:    Here we assume that signal.h is included before config.h
        !           202:    so that we can override it here.  */
        !           203: 
        !           204: #undef SIGIO
        !           205: 
        !           206: /* USG systems tend to put everything declared static
        !           207:    into the initialized data area, which becomes pure after dumping Emacs.
        !           208:    Foil this.  Emacs carefully avoids static vars inside functions.  */
        !           209: 
        !           210: #define static
        !           211: 
        !           212: /* Define extra libraries to load.
        !           213:    This should have -lBSD, but that library is said to make
        !           214:    `signal' fail to work.  */
        !           215: 
        !           216: #ifdef HPUX_NET
        !           217: #define LIBS_SYSTEM -ln
        !           218: #else
        !           219: #define LIBS_SYSTEM
        !           220: #endif
        !           221: 
        !           222: /* Some additional system facilities exist.  */
        !           223: 
        !           224: #define HAVE_DUP2
        !           225: #define HAVE_GETTIMEOFDAY
        !           226: #define HAVE_VFORK
        !           227: 
        !           228: /* The following maps shared exec file to demand loaded exec.
        !           229:    Don't do this as demand loaded exec is broken in hpux.  */
        !           230: 
        !           231: #if 0
        !           232: 
        !           233: /* Adjust a header field for the executable file about to be dumped.  */
        !           234: 
        !           235: #define ADJUST_EXEC_HEADER   \
        !           236:   hdr.a_magic = ((ohdr.a_magic.file_type == OLDMAGIC.file_type) ?  \
        !           237:                 NEWMAGIC : ohdr.a_magic);
        !           238: 
        !           239: #endif
        !           240: 
        !           241: /* Baud-rate values in tty status have nonstandard meanings.  */
        !           242: 
        !           243: #define BAUD_CONVERT  \
        !           244: { 0, 50, 75, 110, 135, 150, 200, 300, 600, 900, 1200,  \
        !           245:   1800, 2400, 3600, 4800, 7200, 9600, 19200, 38400 }
        !           246: 
        !           247: /* This is needed for HPUX version 6.2; it may not be needed for 6.2.1.  */
        !           248: #define SHORT_CAST_BUG
        !           249: 
        !           250: /* Define killpg so that we have process group functionality under HP.  */
        !           251: #define        killpg(PGRP, KSIG)      kill (-(PGRP), KSIG)

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