code.delx.au - gnu-emacs/blob - src/s/ms-w32.h

   1 /* System description file for Windows NT.
   2    Copyright (C) 1993, 1994, 1995, 2001, 2002, 2003, 2004, 2005, 2006,
   3                  2007, 2008, 2009, 2010  Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software: you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation, either version 3 of the License, or
  10 (at your option) any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 /*
  21  *      Define symbols to identify the version of Unix this is.
  22  *      Define all the symbols that apply correctly.
  23  */
  24
  25 #ifndef WINDOWSNT
  26 #define WINDOWSNT
  27 #endif
  28 #ifndef DOS_NT
  29 #define DOS_NT  /* MSDOS or WINDOWSNT */
  30 #endif
  31
  32 /* If you are compiling with a non-C calling convention but need to
  33    declare vararg routines differently, put it here */
  34 #define _VARARGS_ __cdecl
  35
  36 /* If you are providing a function to something that will call the
  37    function back (like a signal handler and signal, or main) its calling
  38    convention must be whatever standard the libraries expect */
  39 #define _CALLBACK_ __cdecl
  40
  41 /* SYSTEM_TYPE should indicate the kind of system you are using.
  42  It sets the Lisp variable system-type.  */
  43
  44 #define SYSTEM_TYPE "windows-nt"
  45 #define SYMS_SYSTEM syms_of_ntterm ()
  46
  47 #define NO_MATHERR 1
  48
  49 /* Letter to use in finding device name of first pty,
  50   if system supports pty's.  'a' means it is /dev/ptya0  */
  51
  52 #define FIRST_PTY_LETTER 'a'
  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 1
  60
  61 /* NT supports Winsock which is close enough (with some hacks) */
  62
  63 #define HAVE_SOCKETS 1
  64
  65 /* But our select implementation doesn't allow us to make non-blocking
  66    connects.  So until that is fixed, this is necessary:  */
  67
  68 #define BROKEN_NON_BLOCKING_CONNECT 1
  69
  70 /* And the select implementation does 1-byte read-ahead waiting
  71    for received packets, so datagrams are broken too.  */
  72
  73 #define BROKEN_DATAGRAM_SOCKETS 1
  74
  75 /* Define this symbol if your system has the functions bcopy, etc. */
  76
  77 #define BSTRING
  78 #define bzero(b, l) memset(b, 0, l)
  79 #define bcopy(s, d, l) memmove(d, s, l)
  80 #define bcmp(a, b, l) memcmp(a, b, l)
  81
  82 /* bcopy (aka memmove aka memcpy at least on x86) under MSVC is quite safe */
  83 #define GAP_USE_BCOPY 1
  84 #define BCOPY_UPWARD_SAFE 1
  85 #define BCOPY_DOWNWARD_SAFE 1
  86
  87 /* If your system uses COFF (Common Object File Format) then define the
  88    preprocessor symbol "COFF". */
  89
  90 #define COFF 1
  91
  92 /* define MAIL_USE_FLOCK if the mailer uses flock
  93    to interlock access to /usr/spool/mail/$USER.
  94    The alternative is that a lock file named
  95    /usr/spool/mail/$USER.lock.  */
  96
  97 /* #define MAIL_USE_FLOCK */
  98 #define MAIL_USE_POP 1
  99 #define MAIL_USE_SYSTEM_LOCK 1
 100
 101 /* If the character used to separate elements of the executable path
 102    is not ':', #define this to be the appropriate character constant.  */
 103 #define SEPCHAR ';'
 104
 105 #define ORDINARY_LINK 1
 106
 107 /* ============================================================ */
 108
 109 /* Here, add any special hacks needed
 110    to make Emacs work on this system.  For example,
 111    you might define certain system call names that don't
 112    exist on your system, or that do different things on
 113    your system and must be used only through an encapsulation
 114    (Which you should place, by convention, in sysdep.c).  */
 115
 116 /* Define this to be the separator between path elements */
 117 #define DIRECTORY_SEP XINT (Vdirectory_sep_char)
 118
 119 /* Define this to be the separator between devices and paths */
 120 #define DEVICE_SEP ':'
 121
 122 /* We'll support either convention on NT.  */
 123 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
 124 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
 125
 126 #include <sys/types.h>
 127 struct sigaction {
 128   int sa_flags;
 129   void (*sa_handler)(int);
 130   sigset_t sa_mask;
 131 };
 132 #define SIG_BLOCK       1
 133 #define SIG_SETMASK     2
 134 #define SIG_UNBLOCK     3
 135
 136 /* The null device on Windows NT. */
 137 #define NULL_DEVICE     "NUL:"
 138
 139 #ifndef MAXPATHLEN
 140 #define MAXPATHLEN      _MAX_PATH
 141 #endif
 142
 143 #define HAVE_SOUND  1
 144 #define LISP_FLOAT_TYPE 1
 145
 146 #undef  HAVE_SYS_SELECT_H
 147 #define HAVE_SYS_TIMEB_H 1
 148 #define HAVE_SYS_TIME_H 1
 149 #define HAVE_UNISTD_H 1
 150 #undef  HAVE_UTIME_H
 151 #undef  HAVE_LINUX_VERSION_H
 152 #undef  HAVE_SYS_SYSTEMINFO_H
 153 #undef  HAVE_TERMIOS_H
 154 #define HAVE_LIMITS_H 1
 155 #define HAVE_STRING_H 1
 156 #define HAVE_STDLIB_H 1
 157 #define HAVE_PWD_H 1
 158 #define STDC_HEADERS 1
 159 #define TIME_WITH_SYS_TIME 1
 160
 161 #define HAVE_GETTIMEOFDAY 1
 162 #define HAVE_GETHOSTNAME 1
 163 #undef  HAVE_GETDOMAINNAME
 164 #define HAVE_DUP2 1
 165 #define HAVE_RENAME 1
 166 #define HAVE_CLOSEDIR 1
 167 #define HAVE_FSYNC 1            /* fsync is called _commit in MSVC.  */
 168
 169 #undef  TM_IN_SYS_TIME
 170 #undef  HAVE_TM_ZONE
 171
 172 #define HAVE_LONG_FILE_NAMES 1
 173
 174 #define HAVE_MKDIR 1
 175 #define HAVE_RMDIR 1
 176 #define HAVE_RANDOM 1
 177 #undef  HAVE_SYSINFO
 178 #undef  HAVE_LRAND48
 179 #define HAVE_BCOPY 1
 180 #define HAVE_BCMP 1
 181 #define HAVE_LOGB 1
 182 #define HAVE_FREXP 1
 183 #define HAVE_FMOD 1
 184 #undef  HAVE_RINT
 185 #undef  HAVE_CBRT
 186 #define HAVE_FTIME 1
 187 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 188 #undef  HAVE_SETSID
 189 #undef  HAVE_FPATHCONF
 190 #define HAVE_SELECT 1
 191 #define HAVE_MKTIME 1
 192 #undef  HAVE_EUIDACCESS
 193 #define HAVE_GETPAGESIZE 1
 194 #define HAVE_TZSET 1
 195 #define HAVE_SETLOCALE 1
 196 #undef  HAVE_UTIMES
 197 #undef  HAVE_SETRLIMIT
 198 #undef  HAVE_SETPGID
 199 #undef  HAVE_GETCWD
 200 #define HAVE_SHUTDOWN 1
 201 #define HAVE_STRFTIME 1
 202
 203 #define LOCALTIME_CACHE
 204 #define HAVE_INET_SOCKETS 1
 205
 206 #undef  HAVE_AIX_SMT_EXP
 207 #define USE_TOOLKIT_SCROLL_BARS 1
 208
 209 /* Define if you have the ANSI `strerror' function.
 210    Otherwise you must have the variable `char *sys_errlist[]'.  */
 211 #define HAVE_STRERROR 1
 212
 213 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 214 #undef  HAVE_STRUCT_UTIMBUF
 215
 216 #define HAVE_MOUSE 1
 217 #define HAVE_H_ERRNO 1
 218
 219 #ifdef HAVE_NTGUI
 220 #define HAVE_WINDOW_SYSTEM 1
 221 #define HAVE_MENUS 1
 222 #endif
 223
 224 #define MODE_LINE_BINARY_TEXT(_b_) (NILP ((_b_)->buffer_file_type) ? "T" : "B")
 225
 226 /* get some redefinitions in place */
 227
 228 #ifdef emacs
 229
 230 /* calls that are emulated or shadowed */
 231 #undef access
 232 #define access  sys_access
 233 #undef chdir
 234 #define chdir   sys_chdir
 235 #undef chmod
 236 #define chmod   sys_chmod
 237 #define chown   sys_chown
 238 #undef close
 239 #define close   sys_close
 240 #undef creat
 241 #define creat   sys_creat
 242 #define ctime   sys_ctime
 243 #undef dup
 244 #define dup     sys_dup
 245 #undef dup2
 246 #define dup2    sys_dup2
 247 #define fopen   sys_fopen
 248 #define link    sys_link
 249 #define mkdir   sys_mkdir
 250 #undef mktemp
 251 #define mktemp  sys_mktemp
 252 #undef open
 253 #define open    sys_open
 254 #define pipe    sys_pipe
 255 #undef read
 256 #define read    sys_read
 257 #define rename  sys_rename
 258 #define rmdir   sys_rmdir
 259 #define select  sys_select
 260 #define sleep   sys_sleep
 261 #define strerror sys_strerror
 262 #undef unlink
 263 #define unlink  sys_unlink
 264 #undef write
 265 #define write   sys_write
 266
 267 /* subprocess calls that are emulated */
 268 #define spawnve sys_spawnve
 269 #define wait    sys_wait
 270 #define kill    sys_kill
 271 #define signal  sys_signal
 272
 273 /* termcap.c calls that are emulated */
 274 #define tputs   sys_tputs
 275 #define tgetstr sys_tgetstr
 276
 277 /* cm.c calls that are emulated */
 278 #define chcheckmagic sys_chcheckmagic
 279 #define cmcostinit   sys_cmcostinit
 280 #define cmgoto       sys_cmgoto
 281 #define cmputc       sys_cmputc
 282 #define Wcm_clear    sys_Wcm_clear
 283
 284 #endif /* emacs */
 285
 286 /* map to MSVC names */
 287 #define execlp    _execlp
 288 #define execvp    _execvp
 289 #define fdopen    _fdopen
 290 #ifndef fileno
 291 #define fileno    _fileno
 292 #endif
 293 #define fsync     _commit
 294 #define ftruncate _chsize
 295 #define getpid    _getpid
 296 #ifdef _MSC_VER
 297 typedef int pid_t;
 298 #endif
 299 #define isatty    _isatty
 300 #define logb      _logb
 301 #define _longjmp  longjmp
 302 #define lseek     _lseek
 303 #define popen     _popen
 304 #define pclose    _pclose
 305 #define umask     _umask
 306 #define utimbuf   _utimbuf
 307 #define index     strchr
 308 #define rindex    strrchr
 309 #define strdup    _strdup
 310 #define strupr    _strupr
 311 #define strnicmp  _strnicmp
 312 #define stricmp   _stricmp
 313 #define tzset     _tzset
 314
 315 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 316 #define tzname    _tzname
 317 #define utime     _utime
 318 #endif
 319
 320 /* this is hacky, but is necessary to avoid warnings about macro
 321    redefinitions using the SDK compilers */
 322 #ifndef __STDC__
 323 #define __STDC__ 1
 324 #define MUST_UNDEF__STDC__
 325 #endif
 326 #include <direct.h>
 327 #include <io.h>
 328 #include <stdio.h>
 329 #ifdef MUST_UNDEF__STDC__
 330 #undef __STDC__
 331 #undef MUST_UNDEF__STDC__
 332 #endif
 333
 334 /* Defines that we need that aren't in the standard signal.h  */
 335 #define SIGHUP  1               /* Hang up */
 336 #define SIGQUIT 3               /* Quit process */
 337 #define SIGTRAP 5               /* Trace trap */
 338 #define SIGKILL 9               /* Die, die die */
 339 #define SIGPIPE 13              /* Write on pipe with no readers */
 340 #define SIGALRM 14              /* Alarm */
 341 #define SIGCHLD 18              /* Death of child */
 342
 343 #ifndef NSIG
 344 #define NSIG 23
 345 #endif
 346
 347 /* For integration with MSDOS support.  */
 348 #define getdisk()               (_getdrive () - 1)
 349 #ifdef emacs
 350 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 351 #else
 352 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 353 #endif
 354
 355 extern char *get_emacs_configuration (void);
 356 extern char *get_emacs_configuration_options (void);
 357 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 358 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 359
 360 /* Define this so that winsock.h definitions don't get included with
 361    windows.h.  For this to have proper effect, config.h must always be
 362    included before windows.h.  */
 363 #define _WINSOCKAPI_    1
 364 #define _WINSOCK_H
 365
 366 /* Defines size_t and alloca ().  */
 367 #ifdef USE_CRT_DLL
 368 #define malloc e_malloc
 369 #define free   e_free
 370 #define realloc e_realloc
 371 #define calloc e_calloc
 372 #endif
 373 #include <malloc.h>
 374
 375 #include <sys/stat.h>
 376
 377 /* Define for those source files that do not include enough NT
 378    system files.  */
 379 #ifndef NULL
 380 #ifdef __cplusplus
 381 #define NULL    0
 382 #else
 383 #define NULL    ((void *)0)
 384 #endif
 385 #endif
 386
 387 /* For proper declaration of environ.  */
 388 #include <stdlib.h>
 389 #ifndef sys_nerr
 390 #define sys_nerr _sys_nerr
 391 #endif
 392 #include <string.h>
 393
 394 /* We need a little extra space, see ../../lisp/loadup.el.  */
 395 #define SYSTEM_PURESIZE_EXTRA 50000
 396
 397 /* For unexec to work on Alpha systems, we need to put Emacs'
 398    initialized data into a separate section from the CRT initialized
 399    data (because the Alpha linker freely reorders data variables, even
 400    across libraries, so our data and the CRT data get intermingled).
 401
 402    Starting with MSVC 5.0, we must also place the uninitialized data
 403    into its own section.  VC5 intermingles uninitialized data from the CRT
 404    between Emacs' static uninitialized data and its public uninitialized
 405    data.  A separate .bss section for Emacs groups both static and
 406    public uninitialized together.
 407
 408    Note that unexw32.c relies on this fact, and must be modified
 409    accordingly if this section name is changed, or if this pragma is
 410    removed.  Also, obviously, all files that define initialized data
 411    must include config.h to pick up this pragma.  */
 412
 413 /* Names must be < 8 bytes */
 414 #ifdef _MSC_VER
 415 #pragma data_seg("EMDATA")
 416 #pragma bss_seg("EMBSS")
 417 #endif
 418
 419 /* #define FULL_DEBUG */
 420 /* #define EMACSDEBUG */
 421
 422 #ifdef EMACSDEBUG
 423 extern void _DebPrint (const char *fmt, ...);
 424 #define DebPrint(stuff) _DebPrint stuff
 425 #else
 426 #define DebPrint(stuff)
 427 #endif
 428
 429
 430 /* ============================================================ */
 431
 432 /* arch-tag: 5d4a3a1c-40dc-4dea-9c7c-38fed9ae0eae
 433    (do not change this comment) */