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Diffstat (limited to 'src/s-usg5-3.h')
| -rw-r--r-- | src/s-usg5-3.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/s-usg5-3.h b/src/s-usg5-3.h new file mode 100644 index 00000000000..2af396bd44a --- /dev/null +++ b/src/s-usg5-3.h @@ -0,0 +1,220 @@ +/* Definitions file for GNU Emacs running on AT&T's System V Release 3 + Copyright (C) 1987 Free Software Foundation, Inc. + +This file is part of GNU Emacs. + +GNU Emacs is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 1, or (at your option) +any later version. + +GNU Emacs is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Emacs; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + + +/* + * Define symbols to identify the version of Unix this is. + * Define all the symbols that apply correctly. + */ + +#define USG /* System III, System V, etc */ + +#define USG5 + +#define USG5_3 + +/* SYSTEM_TYPE should indicate the kind of system you are using. + It sets the Lisp variable system-type. */ + +#define SYSTEM_TYPE "usg-unix-v" + +/* nomultiplejobs should be defined if your system's shell + does not have "job control" (the ability to stop a program, + run some other program, then continue the first one). */ + +#define NOMULTIPLEJOBS + +/* Default is to set interrupt_input to 0: don't do input buffering within Emacs */ + +/* #define INTERRUPT_INPUT */ + +/* Letter to use in finding device name of first pty, + if system supports pty's. 'p' means it is /dev/ptyp0 */ + +#define FIRST_PTY_LETTER 'p' + +/* + * Define HAVE_TERMIO if the system provides sysV-style ioctls + * for terminal control. + */ + +#define HAVE_TERMIO + +/* + * Define HAVE_TIMEVAL if the system supports the BSD style clock values. + * Look in <sys/time.h> for a timeval structure. + */ + +/* #define HAVE_TIMEVAL */ + +/* + * Define HAVE_SELECT if the system supports the `select' system call. + */ + +/* #define HAVE_SELECT */ + +/* + * Define HAVE_PTYS if the system supports pty devices. + */ + +/* Some versions of V.3 have this, but not all. + #define HAVE_PTYS + #define SYSV_PTYS */ + +/* Define HAVE_SOCKETS if system supports 4.2-compatible sockets. */ + +/* #define HAVE_SOCKETS */ + +/* + * Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate + * The 4.2 opendir, etc., library functions. + */ + +/* #define NONSYSTEM_DIR_LIBRARY */ + +/* + * Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir + * library functions. Almost, but not quite the same as + * the 4.2 functions + */ +#define SYSV_SYSTEM_DIR + +/* Define this symbol if your system has the functions bcopy, etc. */ + +/* #define BSTRING */ + +/* subprocesses should be defined if you want to + have code for asynchronous subprocesses + (as used in M-x compile and M-x shell). + This is supposed to work now on system V release 2. */ + +#define subprocesses + +/* If your system uses COFF (Common Object File Format) then define the + preprocessor symbol "COFF". */ + +#define COFF + +/* define MAIL_USE_FLOCK if the mailer uses flock + to interlock access to /usr/spool/mail/$USER. + The alternative is that a lock file named + /usr/spool/mail/$USER.lock. */ + +/* #define MAIL_USE_FLOCK */ + +/* Define CLASH_DETECTION if you want lock files to be written + so that Emacs can tell instantly when you try to modify + a file that someone else has modified in his Emacs. */ + +/* #define CLASH_DETECTION */ + +/* Define SHORTNAMES if the C compiler can distinguish only + short names. It means that the stuff in ../shortnames + must be run to convert the long names to short ones. */ + +/* #define SHORTNAMES */ + +/* We use the Berkeley (and usg5.2.2) interface to nlist. */ + +#define NLIST_STRUCT + +/* The file containing the kernel's symbol table is called /unix. */ + +#define KERNEL_FILE "/unix" + +/* The symbol in the kernel where the load average is found + is named avenrun. */ + +#define LDAV_SYMBOL "avenrun" + +/* Define this if system V IPC is available. */ + +#define HAVE_SYSVIPC + +/* Special hacks needed to make Emacs run on this system. */ + +/* + * Make the sigsetmask function go away. Don't know what the + * ramifications of this are, but doesn't seem possible to + * emulate it properly anyway at this point. + */ + +#define sigsetmask(mask) /* Null expansion */ + +/* setjmp and longjmp can safely replace _setjmp and _longjmp, + but they will run slower. */ + +#define _setjmp setjmp +#define _longjmp longjmp + +/* On USG systems the system calls are interruptable by signals + that the user program has elected to catch. Thus the system call + must be retried in these cases. To handle this without massive + changes in the source code, we remap the standard system call names + to names for our own functions in sysdep.c that do the system call + with retries. */ + +#define read sys_read +#define write sys_write +#define open sys_open +#define close sys_close + +#define INTERRUPTABLE_OPEN +#define INTERRUPTABLE_CLOSE +#define INTERRUPTABLE_IO + +/* On USG systems these have different names */ + +#define index strchr +#define rindex strrchr + +/* USG systems tend to put everything declared static + into the initialized data area, which becomes pure after dumping Emacs. + Foil this. Emacs carefully avoids static vars inside functions. */ + +#define static + +/* Compiler bug bites on many systems when default ADDR_CORRECT is used. */ + +#define ADDR_CORRECT(x) (x) + +/* Prevent -lg from being used for debugging. Not implemented? */ + +#define LIBS_DEBUG + +/* Use terminfo instead of termcap. */ + +#define TERMINFO + +/* Some variants have TIOCGETC, but the structures to go with it + are not declared. */ + +#define BROKEN_TIOCGETC + +/* X needs to talk on the network, so search the network library. */ + +#define LIBX10_SYSTEM -lnsl_s +#define LIBX11_SYSTEM -lnsl_s +/* eric@snark.thyrsus.com suggests the following is needed on version V.3.2. + Please tell rms@gnu.ai.mit.edu if you find that it is necessary. */ +/* #define LIBX11_SYSTEM -lX11_s -lnls -lnsl_s -lpt -lc_s */ + +/* The docs for system V/386 suggest v.3 has sigpause, + so let's give it a try. */ +#define HAVE_SYSV_SIGPAUSE |