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 /* 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 /* The null device on Windows NT. */
 127 #define NULL_DEVICE     "NUL:"
 128
 129 #ifndef MAXPATHLEN
 130 #define MAXPATHLEN      _MAX_PATH
 131 #endif
 132
 133 #define HAVE_SOUND  1
 134 #define LISP_FLOAT_TYPE 1
 135
 136 #undef  HAVE_SYS_SELECT_H
 137 #define HAVE_SYS_TIMEB_H 1
 138 #define HAVE_SYS_TIME_H 1
 139 #define HAVE_UNISTD_H 1
 140 #undef  HAVE_UTIME_H
 141 #undef  HAVE_LINUX_VERSION_H
 142 #undef  HAVE_SYS_SYSTEMINFO_H
 143 #undef  HAVE_TERMIOS_H
 144 #define HAVE_LIMITS_H 1
 145 #define HAVE_STRING_H 1
 146 #define HAVE_STDLIB_H 1
 147 #define HAVE_PWD_H 1
 148 #define STDC_HEADERS 1
 149 #define TIME_WITH_SYS_TIME 1
 150
 151 #define HAVE_GETTIMEOFDAY 1
 152 #define HAVE_GETHOSTNAME 1
 153 #undef  HAVE_GETDOMAINNAME
 154 #define HAVE_DUP2 1
 155 #define HAVE_RENAME 1
 156 #define HAVE_CLOSEDIR 1
 157 #define HAVE_FSYNC 1            /* fsync is called _commit in MSVC.  */
 158
 159 #undef  TM_IN_SYS_TIME
 160 #undef  HAVE_TM_ZONE
 161
 162 #define HAVE_LONG_FILE_NAMES 1
 163
 164 #define HAVE_MKDIR 1
 165 #define HAVE_RMDIR 1
 166 #define HAVE_RANDOM 1
 167 #undef  HAVE_SYSINFO
 168 #undef  HAVE_LRAND48
 169 #define HAVE_BCOPY 1
 170 #define HAVE_BCMP 1
 171 #define HAVE_LOGB 1
 172 #define HAVE_FREXP 1
 173 #define HAVE_FMOD 1
 174 #undef  HAVE_RINT
 175 #undef  HAVE_CBRT
 176 #define HAVE_FTIME 1
 177 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 178 #undef  HAVE_SETSID
 179 #undef  HAVE_FPATHCONF
 180 #define HAVE_SELECT 1
 181 #define HAVE_MKTIME 1
 182 #undef  HAVE_EUIDACCESS
 183 #define HAVE_GETPAGESIZE 1
 184 #define HAVE_TZSET 1
 185 #define HAVE_SETLOCALE 1
 186 #undef  HAVE_UTIMES
 187 #undef  HAVE_SETRLIMIT
 188 #undef  HAVE_SETPGID
 189 #undef  HAVE_GETCWD
 190 #define HAVE_SHUTDOWN 1
 191 #define HAVE_STRFTIME 1
 192
 193 #define LOCALTIME_CACHE
 194 #define HAVE_INET_SOCKETS 1
 195
 196 #undef  HAVE_AIX_SMT_EXP
 197 #define USE_TOOLKIT_SCROLL_BARS 1
 198
 199 /* Define if you have the ANSI `strerror' function.
 200    Otherwise you must have the variable `char *sys_errlist[]'.  */
 201 #define HAVE_STRERROR 1
 202
 203 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 204 #undef  HAVE_STRUCT_UTIMBUF
 205
 206 #define HAVE_MOUSE 1
 207 #define HAVE_H_ERRNO 1
 208
 209 #define MULTI_KBOARD 1
 210
 211 #ifdef HAVE_NTGUI
 212 #define HAVE_WINDOW_SYSTEM 1
 213 #define HAVE_MENUS 1
 214 #endif
 215
 216 #define MODE_LINE_BINARY_TEXT(_b_) (NILP ((_b_)->buffer_file_type) ? "T" : "B")
 217
 218 /* get some redefinitions in place */
 219
 220 #ifdef emacs
 221
 222 /* calls that are emulated or shadowed */
 223 #undef access
 224 #define access  sys_access
 225 #undef chdir
 226 #define chdir   sys_chdir
 227 #undef chmod
 228 #define chmod   sys_chmod
 229 #define chown   sys_chown
 230 #undef close
 231 #define close   sys_close
 232 #undef creat
 233 #define creat   sys_creat
 234 #define ctime   sys_ctime
 235 #undef dup
 236 #define dup     sys_dup
 237 #undef dup2
 238 #define dup2    sys_dup2
 239 #define fopen   sys_fopen
 240 #define link    sys_link
 241 #define mkdir   sys_mkdir
 242 #undef mktemp
 243 #define mktemp  sys_mktemp
 244 #undef open
 245 #define open    sys_open
 246 #define pipe    sys_pipe
 247 #undef read
 248 #define read    sys_read
 249 #define rename  sys_rename
 250 #define rmdir   sys_rmdir
 251 #define select  sys_select
 252 #define sleep   sys_sleep
 253 #define strerror sys_strerror
 254 #undef unlink
 255 #define unlink  sys_unlink
 256 #undef write
 257 #define write   sys_write
 258
 259 /* subprocess calls that are emulated */
 260 #define spawnve sys_spawnve
 261 #define wait    sys_wait
 262 #define kill    sys_kill
 263 #define signal  sys_signal
 264
 265 #endif /* emacs */
 266
 267 /* map to MSVC names */
 268 #define execlp    _execlp
 269 #define execvp    _execvp
 270 #define fdopen    _fdopen
 271 #ifndef fileno
 272 #define fileno    _fileno
 273 #endif
 274 #define fsync     _commit
 275 #define ftruncate _chsize
 276 #define getpid    _getpid
 277 #ifdef _MSC_VER
 278 typedef int pid_t;
 279 #endif
 280 #define isatty    _isatty
 281 #define logb      _logb
 282 #define _longjmp  longjmp
 283 #define lseek     _lseek
 284 #define popen     _popen
 285 #define pclose    _pclose
 286 #define umask     _umask
 287 #define utimbuf   _utimbuf
 288 #define index     strchr
 289 #define rindex    strrchr
 290 #define strdup    _strdup
 291 #define strupr    _strupr
 292 #define strnicmp  _strnicmp
 293 #define stricmp   _stricmp
 294 #define tzset     _tzset
 295
 296 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 297 #define tzname    _tzname
 298 #define utime     _utime
 299 #endif
 300
 301 /* this is hacky, but is necessary to avoid warnings about macro
 302    redefinitions using the SDK compilers */
 303 #ifndef __STDC__
 304 #define __STDC__ 1
 305 #define MUST_UNDEF__STDC__
 306 #endif
 307 #include <direct.h>
 308 #include <io.h>
 309 #include <stdio.h>
 310 #ifdef MUST_UNDEF__STDC__
 311 #undef __STDC__
 312 #undef MUST_UNDEF__STDC__
 313 #endif
 314
 315 /* Defines that we need that aren't in the standard signal.h  */
 316 #define SIGHUP  1               /* Hang up */
 317 #define SIGQUIT 3               /* Quit process */
 318 #define SIGTRAP 5               /* Trace trap */
 319 #define SIGKILL 9               /* Die, die die */
 320 #define SIGPIPE 13              /* Write on pipe with no readers */
 321 #define SIGALRM 14              /* Alarm */
 322 #define SIGCHLD 18              /* Death of child */
 323
 324 #ifndef NSIG
 325 #define NSIG 23
 326 #endif
 327
 328 /* For integration with MSDOS support.  */
 329 #define getdisk()               (_getdrive () - 1)
 330 #ifdef emacs
 331 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 332 #else
 333 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 334 #endif
 335
 336 extern char *get_emacs_configuration (void);
 337 extern char *get_emacs_configuration_options (void);
 338 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 339 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 340
 341 /* Define this so that winsock.h definitions don't get included with
 342    windows.h.  For this to have proper effect, config.h must always be
 343    included before windows.h.  */
 344 #define _WINSOCKAPI_    1
 345 #define _WINSOCK_H
 346
 347 /* Defines size_t and alloca ().  */
 348 #ifdef USE_CRT_DLL
 349 #define malloc e_malloc
 350 #define free   e_free
 351 #define realloc e_realloc
 352 #define calloc e_calloc
 353 #endif
 354 #include <malloc.h>
 355
 356 #include <sys/stat.h>
 357
 358 /* Define for those source files that do not include enough NT
 359    system files.  */
 360 #ifndef NULL
 361 #ifdef __cplusplus
 362 #define NULL    0
 363 #else
 364 #define NULL    ((void *)0)
 365 #endif
 366 #endif
 367
 368 /* For proper declaration of environ.  */
 369 #include <stdlib.h>
 370 #ifndef sys_nerr
 371 #define sys_nerr _sys_nerr
 372 #endif
 373 #include <string.h>
 374
 375 /* We need a little extra space, see ../../lisp/loadup.el.  */
 376 #define SYSTEM_PURESIZE_EXTRA 50000
 377
 378 /* For unexec to work on Alpha systems, we need to put Emacs'
 379    initialized data into a separate section from the CRT initialized
 380    data (because the Alpha linker freely reorders data variables, even
 381    across libraries, so our data and the CRT data get intermingled).
 382
 383    Starting with MSVC 5.0, we must also place the uninitialized data
 384    into its own section.  VC5 intermingles uninitialized data from the CRT
 385    between Emacs' static uninitialized data and its public uninitialized
 386    data.  A separate .bss section for Emacs groups both static and
 387    public uninitialized together.
 388
 389    Note that unexw32.c relies on this fact, and must be modified
 390    accordingly if this section name is changed, or if this pragma is
 391    removed.  Also, obviously, all files that define initialized data
 392    must include config.h to pick up this pragma.  */
 393
 394 /* Names must be < 8 bytes */
 395 #ifdef _MSC_VER
 396 #pragma data_seg("EMDATA")
 397 #pragma bss_seg("EMBSS")
 398 #endif
 399
 400 /* #define FULL_DEBUG */
 401 /* #define EMACSDEBUG */
 402
 403 #ifdef EMACSDEBUG
 404 extern void _DebPrint (const char *fmt, ...);
 405 #define DebPrint(stuff) _DebPrint stuff
 406 #else
 407 #define DebPrint(stuff)
 408 #endif
 409
 410
 411 /* ============================================================ */
 412
 413 /* arch-tag: 5d4a3a1c-40dc-4dea-9c7c-38fed9ae0eae
 414    (do not change this comment) */