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