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, 2011  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 #ifdef HAVE_NTGUI
 210 #define HAVE_WINDOW_SYSTEM 1
 211 #define HAVE_MENUS 1
 212 #endif
 213
 214 #define MODE_LINE_BINARY_TEXT(_b_) (NILP ((_b_)->buffer_file_type) ? "T" : "B")
 215
 216 /* get some redefinitions in place */
 217
 218 #ifdef emacs
 219
 220 /* calls that are emulated or shadowed */
 221 #undef access
 222 #define access  sys_access
 223 #undef chdir
 224 #define chdir   sys_chdir
 225 #undef chmod
 226 #define chmod   sys_chmod
 227 #define chown   sys_chown
 228 #undef close
 229 #define close   sys_close
 230 #undef creat
 231 #define creat   sys_creat
 232 #define ctime   sys_ctime
 233 #undef dup
 234 #define dup     sys_dup
 235 #undef dup2
 236 #define dup2    sys_dup2
 237 #define fopen   sys_fopen
 238 #define link    sys_link
 239 #define localtime sys_localtime
 240 #define mkdir   sys_mkdir
 241 #undef mktemp
 242 #define mktemp  sys_mktemp
 243 #undef open
 244 #define open    sys_open
 245 #define pipe    sys_pipe
 246 #undef read
 247 #define read    sys_read
 248 #define rename  sys_rename
 249 #define rmdir   sys_rmdir
 250 #define select  sys_select
 251 #define sleep   sys_sleep
 252 #define strerror sys_strerror
 253 #undef unlink
 254 #define unlink  sys_unlink
 255 #undef write
 256 #define write   sys_write
 257
 258 /* subprocess calls that are emulated */
 259 #define spawnve sys_spawnve
 260 #define wait    sys_wait
 261 #define kill    sys_kill
 262 #define signal  sys_signal
 263
 264 #endif /* emacs */
 265
 266 /* map to MSVC names */
 267 #define execlp    _execlp
 268 #define execvp    _execvp
 269 #define fdopen    _fdopen
 270 #ifndef fileno
 271 #define fileno    _fileno
 272 #endif
 273 #define fsync     _commit
 274 #define ftruncate _chsize
 275 #define getpid    _getpid
 276 #ifdef _MSC_VER
 277 typedef int pid_t;
 278 #endif
 279 #define isatty    _isatty
 280 #define logb      _logb
 281 #define _longjmp  longjmp
 282 #define lseek     _lseek
 283 #define popen     _popen
 284 #define pclose    _pclose
 285 #define umask     _umask
 286 #define utimbuf   _utimbuf
 287 #define index     strchr
 288 #define rindex    strrchr
 289 #define strdup    _strdup
 290 #define strupr    _strupr
 291 #define strnicmp  _strnicmp
 292 #define stricmp   _stricmp
 293 #define tzset     _tzset
 294
 295 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 296 #define tzname    _tzname
 297 #define utime     _utime
 298 #endif
 299
 300 /* this is hacky, but is necessary to avoid warnings about macro
 301    redefinitions using the SDK compilers */
 302 #ifndef __STDC__
 303 #define __STDC__ 1
 304 #define MUST_UNDEF__STDC__
 305 #endif
 306 #include <direct.h>
 307 #include <io.h>
 308 #include <stdio.h>
 309 #ifdef MUST_UNDEF__STDC__
 310 #undef __STDC__
 311 #undef MUST_UNDEF__STDC__
 312 #endif
 313
 314 /* Defines that we need that aren't in the standard signal.h  */
 315 #define SIGHUP  1               /* Hang up */
 316 #define SIGQUIT 3               /* Quit process */
 317 #define SIGTRAP 5               /* Trace trap */
 318 #define SIGKILL 9               /* Die, die die */
 319 #define SIGPIPE 13              /* Write on pipe with no readers */
 320 #define SIGALRM 14              /* Alarm */
 321 #define SIGCHLD 18              /* Death of child */
 322
 323 #ifndef NSIG
 324 #define NSIG 23
 325 #endif
 326
 327 /* For integration with MSDOS support.  */
 328 #define getdisk()               (_getdrive () - 1)
 329 #ifdef emacs
 330 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 331 #else
 332 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 333 #endif
 334
 335 extern char *get_emacs_configuration (void);
 336 extern char *get_emacs_configuration_options (void);
 337 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 338 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 339
 340 /* Define this so that winsock.h definitions don't get included with
 341    windows.h.  For this to have proper effect, config.h must always be
 342    included before windows.h.  */
 343 #define _WINSOCKAPI_    1
 344 #define _WINSOCK_H
 345
 346 /* Defines size_t and alloca ().  */
 347 #ifdef USE_CRT_DLL
 348 #define malloc e_malloc
 349 #define free   e_free
 350 #define realloc e_realloc
 351 #define calloc e_calloc
 352 #endif
 353 #include <malloc.h>
 354
 355 #include <sys/stat.h>
 356
 357 /* Define for those source files that do not include enough NT
 358    system files.  */
 359 #ifndef NULL
 360 #ifdef __cplusplus
 361 #define NULL    0
 362 #else
 363 #define NULL    ((void *)0)
 364 #endif
 365 #endif
 366
 367 /* For proper declaration of environ.  */
 368 #include <stdlib.h>
 369 #ifndef sys_nerr
 370 #define sys_nerr _sys_nerr
 371 #endif
 372 #include <string.h>
 373
 374 /* We need a little extra space, see ../../lisp/loadup.el.  */
 375 #define SYSTEM_PURESIZE_EXTRA 50000
 376
 377 /* For unexec to work on Alpha systems, we need to put Emacs'
 378    initialized data into a separate section from the CRT initialized
 379    data (because the Alpha linker freely reorders data variables, even
 380    across libraries, so our data and the CRT data get intermingled).
 381
 382    Starting with MSVC 5.0, we must also place the uninitialized data
 383    into its own section.  VC5 intermingles uninitialized data from the CRT
 384    between Emacs' static uninitialized data and its public uninitialized
 385    data.  A separate .bss section for Emacs groups both static and
 386    public uninitialized together.
 387
 388    Note that unexw32.c relies on this fact, and must be modified
 389    accordingly if this section name is changed, or if this pragma is
 390    removed.  Also, obviously, all files that define initialized data
 391    must include config.h to pick up this pragma.  */
 392
 393 /* Names must be < 8 bytes */
 394 #ifdef _MSC_VER
 395 #pragma data_seg("EMDATA")
 396 #pragma bss_seg("EMBSS")
 397 #endif
 398
 399 /* #define FULL_DEBUG */
 400 /* #define EMACSDEBUG */
 401
 402 #ifdef EMACSDEBUG
 403 extern void _DebPrint (const char *fmt, ...);
 404 #define DebPrint(stuff) _DebPrint stuff
 405 #else
 406 #define DebPrint(stuff)
 407 #endif
 408
 409
 410 /* ============================================================ */
 411
 412 /* arch-tag: 5d4a3a1c-40dc-4dea-9c7c-38fed9ae0eae
 413    (do not change this comment) */