Annotation of GNUtools/emacs/src/s-aix3-1.h, revision 1.1

1.1     ! root        1: /* Definitions file for GNU Emacs running on IBM AIX version 3.1
        !             2:    Copyright (C) 1985, 1986, 1990 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 USG                            /* System III, System V, etc */
        !            27: #define USG5
        !            28: 
        !            29: /*      Specify IBM AIX version of system */
        !            30: 
        !            31: #ifndef AIX
        !            32: #define AIX
        !            33: #endif
        !            34: 
        !            35: /*      turn off c prototypes */
        !            36: #ifndef _NO_PROTO
        !            37: #define _NO_PROTO
        !            38: #endif
        !            39: 
        !            40: /*      This symbol should be defined on AIX Version 3  ??????? */
        !            41: #ifndef _AIX
        !            42: #define _AIX
        !            43: #endif
        !            44: 
        !            45: /*      Specify "_BSD" to invoke Berkeley compatibility in header files */
        !            46: /*#ifndef _BSD
        !            47: #define _BSD
        !            48: #endif
        !            49: */
        !            50: 
        !            51: /* SYSTEM_TYPE should indicate the kind of system you are using.
        !            52:  It sets the Lisp variable system-type.  */
        !            53: 
        !            54: #define SYSTEM_TYPE "aix-v3"
        !            55: 
        !            56: 
        !            57: /* nomultiplejobs should be defined if your system's shell
        !            58:  does not have "job control" (the ability to stop a program,
        !            59:  run some other program, then continue the first one).  */
        !            60: 
        !            61: /* #define NOMULTIPLEJOBS */
        !            62: 
        !            63: /* Default is to set interrupt_input to 0: don't do input buffering within Emacs */
        !            64: 
        !            65: /* #define INTERRUPT_INPUT */
        !            66: 
        !            67: /* In AIX, you allocate a pty by opening /dev/ptc to get the master side.
        !            68:    To get the name of the slave side, you just ttyname() the master side.  */
        !            69: 
        !            70: #define PTY_ITERATION for (c = 0; !c ; c++)
        !            71: #define PTY_NAME_SPRINTF strcpy (pty_name, "/dev/ptc");
        !            72: #define PTY_TTY_NAME_SPRINTF strcpy (pty_name, ttyname (fd));
        !            73: 
        !            74: /*
        !            75:  *     Define HAVE_TERMIO if the system provides sysV-style ioctls
        !            76:  *     for terminal control.
        !            77:  */
        !            78: 
        !            79: #define HAVE_TERMIO
        !            80: 
        !            81: /*
        !            82:  *     Define HAVE_TIMEVAL if the system supports the BSD style clock values.
        !            83:  *     Look in <sys/time.h> for a timeval structure.
        !            84:  */
        !            85: 
        !            86: #define HAVE_TIMEVAL
        !            87:  
        !            88: /*
        !            89:  *     Define HAVE_SELECT if the system supports the `select' system call.
        !            90:  */
        !            91: 
        !            92: #define HAVE_SELECT 
        !            93: 
        !            94: /*
        !            95:  *     Define HAVE_PTYS if the system supports pty devices.
        !            96:  */
        !            97: 
        !            98: #define HAVE_PTYS
        !            99: 
        !           100: /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
        !           101: 
        !           102: #define HAVE_SOCKETS
        !           103: 
        !           104: /*
        !           105:  *     Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
        !           106:  *      The 4.2 opendir, etc., library functions.
        !           107:  */
        !           108: 
        !           109: /* #define NONSYSTEM_DIR_LIBRARY */
        !           110: 
        !           111: /*
        !           112:  *     Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir
        !           113:  *     library functions.  Almost, but not quite the same as
        !           114:  *     the 4.2 functions
        !           115:  */
        !           116: 
        !           117: #define SYSV_SYSTEM_DIR
        !           118: 
        !           119: /* Define this symbol if your system has the functions bcopy, etc. */
        !           120: 
        !           121: #define BSTRING
        !           122: 
        !           123: /* subprocesses should be defined if you want to
        !           124:  have code for asynchronous subprocesses
        !           125:  (as used in M-x compile and M-x shell).
        !           126:  This is supposed to work now on system V release 2.  */
        !           127: 
        !           128: #define subprocesses
        !           129: 
        !           130: /* If your system uses COFF (Common Object File Format) then define the
        !           131:    preprocessor symbol "COFF". */
        !           132: 
        !           133: /* #define COFF */
        !           134: 
        !           135: /* define MAIL_USE_FLOCK if the mailer uses flock
        !           136:    to interlock access to /usr/spool/mail/$USER.
        !           137:    The alternative is that a lock file named
        !           138:    /usr/spool/mail/$USER.lock.  */
        !           139: 
        !           140: /* #define MAIL_USE_FLOCK */
        !           141: 
        !           142: /* Define CLASH_DETECTION if you want lock files to be written
        !           143:    so that Emacs can tell instantly when you try to modify
        !           144:    a file that someone else has modified in his Emacs.  */
        !           145: 
        !           146: /* #define CLASH_DETECTION */
        !           147: 
        !           148: /* Define SHORTNAMES if the C compiler can distinguish only
        !           149:    short names.  It means that the stuff in ../shortnames
        !           150:    must be run to convert the long names to short ones.  */
        !           151: 
        !           152: /* #define SHORTNAMES */
        !           153: 
        !           154: /* We do NOT use the Berkeley (and usg5.2.2) interface to nlist.  */
        !           155: 
        !           156: /* #define NLIST_STRUCT */
        !           157: 
        !           158: /* The file containing the kernel's symbol table is called /unix.  */
        !           159: 
        !           160: #define KERNEL_FILE "/unix"
        !           161: 
        !           162: /* The symbol in the kernel where the load average is found
        !           163:    is named avenrun.  */
        !           164: 
        !           165: #define LDAV_SYMBOL "avenrun"
        !           166: 
        !           167: /* Special itemss needed to make Emacs run on this system.  */
        !           168: 
        !           169: /*
        !           170:  *     Make the sigsetmask function go away.  Don't know what the
        !           171:  *     ramifications of this are, but doesn't seem possible to
        !           172:  *     emulate it properly anyway at this point.
        !           173:  */
        !           174: 
        !           175: #define sigsetmask(mask)       /* Null expansion */
        !           176: 
        !           177: /* setjmp and longjmp can safely replace _setjmp and _longjmp,
        !           178:    but they will run slower.  */
        !           179: 
        !           180: #define _setjmp setjmp
        !           181: #define _longjmp longjmp
        !           182: 
        !           183: /* On USG systems the system calls are interruptable by signals
        !           184:  that the user program has elected to catch.  Thus the system call
        !           185:  must be retried in these cases.  To handle this without massive
        !           186:  changes in the source code, we remap the standard system call names
        !           187:  to names for our own functions in sysdep.c that do the system call
        !           188:  with retries. */
        !           189: 
        !           190: #define read sys_read
        !           191: #define open sys_open
        !           192: #define write sys_write
        !           193: 
        !           194: #define INTERRUPTABLE_OPEN
        !           195: #define INTERRUPTABLE_IO
        !           196: 
        !           197: /* On USG systems these have different names */
        !           198: 
        !           199: #define index strchr
        !           200: #define rindex strrchr
        !           201: 
        !           202: /* USG systems tend to put everything declared static
        !           203:    into the initialized data area, which becomes pure after dumping Emacs.
        !           204:    Foil this.  Emacs carefully avoids static vars inside functions.  */
        !           205: 
        !           206: #undef static
        !           207: 
        !           208: /* Compiler bug bites on many systems when default ADDR_CORRECT is used.  */
        !           209: 
        !           210: /* #define ADDR_CORRECT(x) (x) */
        !           211: 
        !           212: #define LINKER cc
        !           213: 
        !           214: /* Prevent -lg from being used for debugging.  Not needed.  */
        !           215: 
        !           216: #define LIBS_DEBUG
        !           217: 
        !           218: /* No need to specify -lc when linking.  */
        !           219: 
        !           220: #define LIB_STANDARD
        !           221: 
        !           222: /* Use terminfo instead of termcap.  */
        !           223: 
        !           224: #define TERMINFO
        !           225: 
        !           226: /* The following definition seems to be needed in AIX version 3.1.6.8.
        !           227:    It may not have been needed in certain earlier versions.  */
        !           228: #define HAVE_TCATTR
        !           229: 
        !           230: #define SYSTEM_MALLOC
        !           231: 
        !           232: /* Use the gethostname system call.  */
        !           233: #define HAVE_GETHOSTNAME

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