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Annotation of 43BSD/contrib/emacs/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 Richard M. Stallman.
        !             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: #define NOMULTIPLEJOBS
        !            44: 
        !            45: /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
        !            46: 
        !            47: /* #define INTERRUPT_INPUT */
        !            48: 
        !            49: /* Letter to use in finding device name of first pty,
        !            50:   if system supports pty's.  'p' means it is /dev/ptym/ptyp0  */
        !            51: 
        !            52: #define FIRST_PTY_LETTER 'p'
        !            53: 
        !            54: /*
        !            55:  *     Define HAVE_TIMEVAL if the system supports the BSD style clock values.
        !            56:  *     Look in <sys/time.h> for a timeval structure.
        !            57:  */
        !            58: 
        !            59: #define HAVE_TIMEVAL
        !            60:  
        !            61: /*
        !            62:  *     Define HAVE_SELECT if the system supports the `select' system call.
        !            63:  */
        !            64: 
        !            65: #define HAVE_SELECT
        !            66: 
        !            67: /*
        !            68:  *     Define HAVE_PTYS if the system supports pty devices.
        !            69:  *      HPUX has them, but csh and some other things work badly with them.
        !            70:  */
        !            71: 
        !            72: #undef HAVE_PTYS
        !            73: 
        !            74: /*
        !            75:  *     Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
        !            76:  *      The 4.2 opendir, etc., library functions.
        !            77:  */
        !            78: 
        !            79: /* #define NONSYSTEM_DIR_LIBRARY */
        !            80: 
        !            81: /* Define this symbol if your system has the functions bcopy, etc. */
        !            82: 
        !            83: /* #define BSTRING */
        !            84: 
        !            85: /* subprocesses should be defined if you want to
        !            86:  have code for asynchronous subprocesses
        !            87:  (as used in M-x compile and M-x shell).
        !            88:  This is generally OS dependent, and not supported
        !            89:  under most USG systems.  */
        !            90: 
        !            91: #define subprocesses
        !            92: 
        !            93: /* If your system uses COFF (Common Object File Format) then define the
        !            94:    preprocessor symbol "COFF". */
        !            95: 
        !            96: /* #define COFF */
        !            97: 
        !            98: /* define MAIL_USE_FLOCK if the mailer uses flock
        !            99:    to interlock access to /usr/spool/mail/$USER.
        !           100:    The alternative is that a lock file named
        !           101:    /usr/spool/mail/$USER.lock.  */
        !           102: 
        !           103: /* #define MAIL_USE_FLOCK */
        !           104: 
        !           105: /* Define CLASH_DETECTION if you want lock files to be written
        !           106:    so that Emacs can tell instantly when you try to modify
        !           107:    a file that someone else has modified in his Emacs.  */
        !           108: 
        !           109: /* #define CLASH_DETECTION */
        !           110: 
        !           111: /* Define SHORTNAMES if the C compiler can distinguish only
        !           112:    short names.  It means that the stuff in ../shortnames
        !           113:    must be run to convert the long names to short ones.
        !           114: 
        !           115:    Some USG systems support long names.
        !           116:    If yours is one, DO NOT change this file!
        !           117:    Do #undef SHORTNAMES in the m- file or in config.h.  */
        !           118: 
        !           119: /* #define SHORTNAMES */
        !           120: 
        !           121: /* We use the Berkeley (and usg5.2.2) interface to nlist.  */
        !           122: 
        !           123: #define NLIST_STRUCT
        !           124: 
        !           125: /* Special hacks needed to make Emacs run on this system.  */
        !           126: 
        !           127: /* Define this to cause -N to be passed to ld.  This is needed
        !           128:    in uniplus because of its funny memory space layout.  */
        !           129: 
        !           130: /* #define LOADER_N_SWITCH */
        !           131: 
        !           132: /*
        !           133:  *     Make the sigsetmask function go away.  Don't know what the
        !           134:  *     ramifications of this are, but doesn't seem possible to
        !           135:  *     emulate it properly anyway at this point.
        !           136:  */
        !           137: 
        !           138: /* HPUX has sigsetmask */
        !           139: /* #define sigsetmask(mask)    / * Null expansion * / */
        !           140: 
        !           141: /* setjmp and longjmp can safely replace _setjmp and _longjmp,
        !           142:    but they will run slower.  */
        !           143: 
        !           144: /* HP-UX has _setjmp and _longjmp */
        !           145: /*
        !           146: #define _setjmp setjmp
        !           147: #define _longjmp longjmp
        !           148: */
        !           149: 
        !           150: /* On USG systems the system calls are interruptable by signals
        !           151:  that the user program has elected to catch.  Thus the system call
        !           152:  must be retried in these cases.  To handle this without massive
        !           153:  changes in the source code, we remap the standard system call names
        !           154:  to names for our own functions in sysdep.c that do the system call
        !           155:  with retries. */
        !           156: 
        !           157: #define read sys_read
        !           158: #define open sys_open
        !           159: #define write sys_write
        !           160: 
        !           161: /* Use the system provided termcap(3) library */
        !           162: #define TERMINFO
        !           163: 
        !           164: /* On USG systems these have different names */
        !           165: 
        !           166: #define index strchr
        !           167: #define rindex strrchr
        !           168: 
        !           169: /* The 48-bit versions are more winning for Emacs.  */
        !           170: 
        !           171: #define rand lrand48
        !           172: #define srand srand48
        !           173: 
        !           174: /* In hpux, for unknown reasons, S_IFLNK is defined
        !           175:    even though symbolic links do not exist.
        !           176:    Make sure our conditionals based on S_IFLNK are not confused.
        !           177: 
        !           178:    Here we assume that stat.h is included before config.h
        !           179:    so that we can override it here.  */
        !           180: 
        !           181: #undef S_IFLNK
        !           182: 
        !           183: /* In hpux, the symbol SIGIO is defined, but the feature
        !           184:    does not really exist.
        !           185: 
        !           186:    Here we assume that signal.h is included before config.h
        !           187:    so that we can override it here.  */
        !           188:   
        !           189: #undef SIGIO
        !           190: 
        !           191: /* USG systems tend to put everything declared static
        !           192:    into the initialized data area, which becomes pure after dumping Emacs.
        !           193:    Foil this.  Emacs carefully avoids static vars inside functions.  */
        !           194: 
        !           195: #define static

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