home *** CD-ROM | disk | FTP | other *** search
- /* s-header for VMS. Do not use this directly!
- Use s-vms4-4.h (or s-vms4-0.h or s-vms4-2.h).
- Copyright (C) 1986 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.
- */
-
- #ifndef VMS /* Decus cpp doesn't define this but VAX C does */
- #define VMS
- #endif /* VMS */
- /* Note that this file is used indirectly via s-vms4-0.h, or some other
- such file. These other files define a symbol VMS4_0, VMS4_2, etc. */
-
- /* SYSTEM_TYPE should indicate the kind of system you are using.
- It sets the Lisp variable system-type. */
-
- #define SYSTEM_TYPE "vax-vms"
-
- /* 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 */
-
- /* INTERRUPT_INPUT controls a default for Unix systems.
- VMS uses a separate mechanism. */
-
- /* #define INTERRUPT_INPUT */
-
- /* Letter to use in finding device name of first pty,
- if system supports pty's. 'a' means it is /dev/ptya0 */
-
- #define FIRST_PTY_LETTER 'a'
-
- /*
- * 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.
- */
-
- /* #define HAVE_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 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 generally OS dependent, and not supported
- under most USG systems. */
-
- /* #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 the maximum record length for print strings, if needed. */
-
- #define MAX_PRINT_CHARS 300
-
-
- /* Here, on a separate page, add any special hacks needed
- to make Emacs work on this system. For example,
- you might define certain system call names that don't
- exist on your system, or that do different things on
- your system and must be used only through an encapsulation
- (Which you should place, by convention, in sysdep.c). */
-
- /* Do you have the shareable library bug? If you link with a shareable
- library that contains psects with the NOSHR attribute and also refer to
- those psects in your program, the linker give you a private version of
- the psect which is not related to the version used by the shareable
- library. The end result is that your references to variables in that
- psect have absolutely nothing to do with library references to what is
- supposed to be the same variable. If you intend to link with the standard
- C library (NOT the shareable one) you don't need to define this. (This
- is NOT fixed in V4.4...) */
-
- #define SHAREABLE_LIB_BUG
-
- /* Partially due to the above mentioned bug and also so that we don't need
- to require that people have a shareable C library, the default for Emacs
- is to link with the non-shared library. If you want to link with the
- shared library, define this and remake xmakefile and fileio.c. This allows
- us to ship a guaranteed executable image. */
-
- #define LINK_CRTL_SHARE
-
- /* Define this if you want to read the file SYS$SYSTEM:SYSUAF.DAT for user
- information. If you do use this, you must either make SYSUAF.DAT world
- readable or install Emacs with SYSPRV. */
-
- /* #define READ_SYSUAF */
-
- /* On VMS these have a different name */
-
- #define index strchr
- #define rindex strrchr
- #define unlink delete
-
- /* On later versions of VMS these exist in the C run time library, but
- we are using our own implementations. Hide their names to avoid
- linker errors */
- #define rename sys_rename
- #define execvp sys_execvp
- #define system sys_system
-
- /* Hide these names so that we don't get linker errors */
- #define malloc sys_malloc
- #define free sys_free
- #define cfree sys_cfree
- #define realloc sys_realloc
- #define calloc sys_calloc
-
- /* Don't use the standard brk and sbrk */
- #define sbrk sys_sbrk
- #define brk sys_brk
-
- /* On VMS we want to avoid reading and writing very large amounts of
- data at once, so we redefine read and write here. */
-
- #define read sys_read
- #define write sys_write
-
- /* sys_creat just calls the real creat with additional args of
- "rfm=var", "rat=cr" to get "normal" VMS files... */
- #define creat sys_creat
-
- /* fwrite forces an RMS PUT on every call. This is abysmally slow, so
- we emulate fwrite with fputc, which forces buffering and is much
- faster! */
- #define fwrite sys_fwrite
-
- /* getuid only returns the member number, which is not unique on most VMS
- systems. We emulate it with (getgid()<<16 | getuid()). */
- #define getuid sys_getuid
-
- #define getppid sys_getppid
-
- /* If user asks for TERM, check first for EMACS_TERM. */
- #define getenv sys_getenv
-
- /* Standard C abort is less useful than it should be. */
- #define abort sys_abort
-
- /* Case conflicts with C library fread. */
- #define Fread F_read
-
- /* Case conflicts with C library srandom. */
- #define Srandom S_random
-
- /* Cause initialization of vmsfns.c to be run. */
- #define SYMS_SYSTEM syms_of_vmsfns ()
-
- /* VAXCRTL access doesn't deal with SYSPRV very well (among other oddites...)
- Here, we use $CHKPRO to really determine access. */
- #define access sys_access
-
- #define PAGESIZE 512
-
- #define _longjmp longjmp
- #define _setjmp setjmp
-
- #ifdef __GNUC__
- /* GAS uses up 7 of the available 30 characters in an external name
- to distinguish the case of the letters.
- So make these lower case, so we have all 30 for distinguishing. */
- #define Vminibuffer_completion_table vminibuffer_completion_table
- #define Qminibuffer_completion_table qminibuffer_completion_table
- #define Vminibuffer_completion_predicate vminibuffer_completion_predicate
- #define Qminibuffer_completion_predicate qminibuffer_completion_predicate
- #define Vminibuffer_completion_confirm vminibuffer_completion_confirm
- #define Qminibuffer_completion_confirm qminibuffer_completion_confirm
- #endif
-
- #ifdef __GNUC__
- extern char sdata[] asm("_$$PsectAttributes_NOOVR$$$D$ATA") ;
- #define DATA_START (((int) sdata + 8191) & ~511)
- #else
- globalref char sdata[];
- #define DATA_START (((int) sdata + 511) & ~511)
- #endif
- #define TEXT_START 512
-
- /* Baud-rate values from tty status are not standard. */
-
- #define BAUD_CONVERT \
- { 0, 50, 75, 110, 134, 150, 300, 600, 1200, 1800, \
- 2000, 2400, 3600, 4800, 7200, 9600, 19200 }
-
- #define PURESIZE 132000
-
- /* Stdio FILE type has extra indirect on VMS, so must alter this macro. */
-
- #define PENDING_OUTPUT_COUNT(FILE) ((*(FILE))->_ptr - (*(FILE))->_base)
-