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  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 /* subprocesses should be defined if you want to
  88    have code for asynchronous subprocesses
  89    (as used in M-x compile and M-x shell).
  90    This is generally OS dependent, and not supported
  91    under most USG systems. */
  92
  93 #define subprocesses 1
  94
  95 /* If your system uses COFF (Common Object File Format) then define the
  96    preprocessor symbol "COFF". */
  97
  98 #define COFF 1
  99
 100 /* define MAIL_USE_FLOCK if the mailer uses flock
 101    to interlock access to /usr/spool/mail/$USER.
 102    The alternative is that a lock file named
 103    /usr/spool/mail/$USER.lock.  */
 104
 105 /* #define MAIL_USE_FLOCK */
 106 #define MAIL_USE_POP 1
 107 #define MAIL_USE_SYSTEM_LOCK 1
 108
 109 /* If the character used to separate elements of the executable path
 110    is not ':', #define this to be the appropriate character constant.  */
 111 #define SEPCHAR ';'
 112
 113 #define ORDINARY_LINK 1
 114
 115 /* ============================================================ */
 116
 117 /* Here, add any special hacks needed
 118    to make Emacs work on this system.  For example,
 119    you might define certain system call names that don't
 120    exist on your system, or that do different things on
 121    your system and must be used only through an encapsulation
 122    (Which you should place, by convention, in sysdep.c).  */
 123
 124 /* Define this to be the separator between path elements */
 125 #define DIRECTORY_SEP XINT (Vdirectory_sep_char)
 126
 127 /* Define this to be the separator between devices and paths */
 128 #define DEVICE_SEP ':'
 129
 130 /* We'll support either convention on NT.  */
 131 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
 132 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
 133
 134 /* The null device on Windows NT. */
 135 #define NULL_DEVICE     "NUL:"
 136
 137 #ifndef MAXPATHLEN
 138 #define MAXPATHLEN      _MAX_PATH
 139 #endif
 140
 141 #define HAVE_SOUND  1
 142 #define LISP_FLOAT_TYPE 1
 143
 144 #undef  HAVE_SYS_SELECT_H
 145 #define HAVE_SYS_TIMEB_H 1
 146 #define HAVE_SYS_TIME_H 1
 147 #define HAVE_UNISTD_H 1
 148 #undef  HAVE_UTIME_H
 149 #undef  HAVE_LINUX_VERSION_H
 150 #undef  HAVE_SYS_SYSTEMINFO_H
 151 #undef  HAVE_TERMIOS_H
 152 #define HAVE_LIMITS_H 1
 153 #define HAVE_STRING_H 1
 154 #define HAVE_STDLIB_H 1
 155 #define HAVE_PWD_H 1
 156 #define STDC_HEADERS 1
 157 #define TIME_WITH_SYS_TIME 1
 158
 159 #define HAVE_GETTIMEOFDAY 1
 160 #define HAVE_GETHOSTNAME 1
 161 #undef  HAVE_GETDOMAINNAME
 162 #define HAVE_DUP2 1
 163 #define HAVE_RENAME 1
 164 #define HAVE_CLOSEDIR 1
 165 #define HAVE_FSYNC 1            /* fsync is called _commit in MSVC.  */
 166
 167 #undef  TM_IN_SYS_TIME
 168 #undef  HAVE_TM_ZONE
 169
 170 #define HAVE_LONG_FILE_NAMES 1
 171
 172 #define HAVE_MKDIR 1
 173 #define HAVE_RMDIR 1
 174 #define HAVE_RANDOM 1
 175 #undef  HAVE_SYSINFO
 176 #undef  HAVE_LRAND48
 177 #define HAVE_BCOPY 1
 178 #define HAVE_BCMP 1
 179 #define HAVE_LOGB 1
 180 #define HAVE_FREXP 1
 181 #define HAVE_FMOD 1
 182 #undef  HAVE_RINT
 183 #undef  HAVE_CBRT
 184 #define HAVE_FTIME 1
 185 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 186 #undef  HAVE_SETSID
 187 #undef  HAVE_FPATHCONF
 188 #define HAVE_SELECT 1
 189 #define HAVE_MKTIME 1
 190 #undef  HAVE_EUIDACCESS
 191 #define HAVE_GETPAGESIZE 1
 192 #define HAVE_TZSET 1
 193 #define HAVE_SETLOCALE 1
 194 #undef  HAVE_UTIMES
 195 #undef  HAVE_SETRLIMIT
 196 #undef  HAVE_SETPGID
 197 #undef  HAVE_GETCWD
 198 #define HAVE_SHUTDOWN 1
 199 #define HAVE_STRFTIME 1
 200
 201 #define LOCALTIME_CACHE
 202 #define HAVE_INET_SOCKETS 1
 203
 204 #undef  HAVE_AIX_SMT_EXP
 205 #define USE_TOOLKIT_SCROLL_BARS 1
 206
 207 /* Define if you have the ANSI `strerror' function.
 208    Otherwise you must have the variable `char *sys_errlist[]'.  */
 209 #define HAVE_STRERROR 1
 210
 211 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 212 #undef  HAVE_STRUCT_UTIMBUF
 213
 214 #define HAVE_MOUSE 1
 215 #define HAVE_H_ERRNO 1
 216
 217 #define MULTI_KBOARD 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 #endif /* emacs */
 274
 275 /* map to MSVC names */
 276 #define execlp    _execlp
 277 #define execvp    _execvp
 278 #define fdopen    _fdopen
 279 #ifndef fileno
 280 #define fileno    _fileno
 281 #endif
 282 #define fsync     _commit
 283 #define ftruncate _chsize
 284 #define getpid    _getpid
 285 #ifdef _MSC_VER
 286 typedef int pid_t;
 287 #endif
 288 #define isatty    _isatty
 289 #define logb      _logb
 290 #define _longjmp  longjmp
 291 #define lseek     _lseek
 292 #define popen     _popen
 293 #define pclose    _pclose
 294 #define umask     _umask
 295 #define utimbuf   _utimbuf
 296 #define index     strchr
 297 #define rindex    strrchr
 298 #define strdup    _strdup
 299 #define strupr    _strupr
 300 #define strnicmp  _strnicmp
 301 #define stricmp   _stricmp
 302 #define tzset     _tzset
 303
 304 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 305 #define tzname    _tzname
 306 #define utime     _utime
 307 #endif
 308
 309 /* this is hacky, but is necessary to avoid warnings about macro
 310    redefinitions using the SDK compilers */
 311 #ifndef __STDC__
 312 #define __STDC__ 1
 313 #define MUST_UNDEF__STDC__
 314 #endif
 315 #include <direct.h>
 316 #include <io.h>
 317 #include <stdio.h>
 318 #ifdef MUST_UNDEF__STDC__
 319 #undef __STDC__
 320 #undef MUST_UNDEF__STDC__
 321 #endif
 322
 323 /* Defines that we need that aren't in the standard signal.h  */
 324 #define SIGHUP  1               /* Hang up */
 325 #define SIGQUIT 3               /* Quit process */
 326 #define SIGTRAP 5               /* Trace trap */
 327 #define SIGKILL 9               /* Die, die die */
 328 #define SIGPIPE 13              /* Write on pipe with no readers */
 329 #define SIGALRM 14              /* Alarm */
 330 #define SIGCHLD 18              /* Death of child */
 331
 332 #ifndef NSIG
 333 #define NSIG 23
 334 #endif
 335
 336 /* For integration with MSDOS support.  */
 337 #define getdisk()               (_getdrive () - 1)
 338 #ifdef emacs
 339 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 340 #else
 341 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 342 #endif
 343
 344 extern char *get_emacs_configuration (void);
 345 extern char *get_emacs_configuration_options (void);
 346 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 347 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 348
 349 /* Define this so that winsock.h definitions don't get included with
 350    windows.h.  For this to have proper effect, config.h must always be
 351    included before windows.h.  */
 352 #define _WINSOCKAPI_    1
 353 #define _WINSOCK_H
 354
 355 /* Defines size_t and alloca ().  */
 356 #ifdef USE_CRT_DLL
 357 #define malloc e_malloc
 358 #define free   e_free
 359 #define realloc e_realloc
 360 #define calloc e_calloc
 361 #endif
 362 #include <malloc.h>
 363
 364 #include <sys/stat.h>
 365
 366 /* Define for those source files that do not include enough NT
 367    system files.  */
 368 #ifndef NULL
 369 #ifdef __cplusplus
 370 #define NULL    0
 371 #else
 372 #define NULL    ((void *)0)
 373 #endif
 374 #endif
 375
 376 /* For proper declaration of environ.  */
 377 #include <stdlib.h>
 378 #ifndef sys_nerr
 379 #define sys_nerr _sys_nerr
 380 #endif
 381 #include <string.h>
 382
 383 /* We need a little extra space, see ../../lisp/loadup.el.  */
 384 #define SYSTEM_PURESIZE_EXTRA 50000
 385
 386 /* For unexec to work on Alpha systems, we need to put Emacs'
 387    initialized data into a separate section from the CRT initialized
 388    data (because the Alpha linker freely reorders data variables, even
 389    across libraries, so our data and the CRT data get intermingled).
 390
 391    Starting with MSVC 5.0, we must also place the uninitialized data
 392    into its own section.  VC5 intermingles uninitialized data from the CRT
 393    between Emacs' static uninitialized data and its public uninitialized
 394    data.  A separate .bss section for Emacs groups both static and
 395    public uninitialized together.
 396
 397    Note that unexw32.c relies on this fact, and must be modified
 398    accordingly if this section name is changed, or if this pragma is
 399    removed.  Also, obviously, all files that define initialized data
 400    must include config.h to pick up this pragma.  */
 401
 402 /* Names must be < 8 bytes */
 403 #ifdef _MSC_VER
 404 #pragma data_seg("EMDATA")
 405 #pragma bss_seg("EMBSS")
 406 #endif
 407
 408 /* #define FULL_DEBUG */
 409 /* #define EMACSDEBUG */
 410
 411 #ifdef EMACSDEBUG
 412 extern void _DebPrint (const char *fmt, ...);
 413 #define DebPrint(stuff) _DebPrint stuff
 414 #else
 415 #define DebPrint(stuff)
 416 #endif
 417
 418
 419 /* ============================================================ */
 420
 421 /* arch-tag: 5d4a3a1c-40dc-4dea-9c7c-38fed9ae0eae
 422    (do not change this comment) */