src/s/ms-w32.h

   1 /* System description file for Windows NT.
   2
   3 Copyright (C) 1993, 1994, 1995, 2001, 2002, 2003, 2004, 2005, 2006,
   4   2007, 2008, 2009, 2010  Free Software Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software: you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation, either version 3 of the License, or
  11 (at your option) any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 /* Define symbols to identify the version of Unix this is.
  22    Define all the symbols that apply correctly.  */
  23
  24 #ifndef WINDOWSNT
  25 #define WINDOWSNT
  26 #endif
  27 #ifndef DOS_NT
  28 #define DOS_NT  /* MSDOS or WINDOWSNT */
  29 #endif
  30
  31 /* If you are compiling with a non-C calling convention but need to
  32    declare vararg routines differently, put it here.  */
  33 #define _VARARGS_ __cdecl
  34
  35 /* If you are providing a function to something that will call the
  36    function back (like a signal handler and signal, or main) its calling
  37    convention must be whatever standard the libraries expect.  */
  38 #define _CALLBACK_ __cdecl
  39
  40 /* SYSTEM_TYPE should indicate the kind of system you are using.
  41    It sets the Lisp variable system-type.  */
  42 #define SYSTEM_TYPE "windows-nt"
  43 #define SYMS_SYSTEM syms_of_ntterm ()
  44
  45 #define NO_MATHERR 1
  46
  47 /* Letter to use in finding device name of first pty,
  48    if system supports pty's.  'a' means it is /dev/ptya0  */
  49 #define FIRST_PTY_LETTER 'a'
  50
  51 /* Define HAVE_TIMEVAL if the system supports the BSD style clock values.
  52    Look in <sys/time.h> for a timeval structure.  */
  53 #define HAVE_TIMEVAL 1
  54
  55 /* NT supports Winsock which is close enough (with some hacks).  */
  56 #define HAVE_SOCKETS 1
  57
  58 /* But our select implementation doesn't allow us to make non-blocking
  59    connects.  So until that is fixed, this is necessary:  */
  60 #define BROKEN_NON_BLOCKING_CONNECT 1
  61
  62 /* And the select implementation does 1-byte read-ahead waiting
  63    for received packets, so datagrams are broken too.  */
  64 #define BROKEN_DATAGRAM_SOCKETS 1
  65
  66 /* Define this symbol if your system has the functions bcopy, etc.  */
  67 #define BSTRING
  68 #define bzero(b, l) memset(b, 0, l)
  69 #define bcopy(s, d, l) memmove(d, s, l)
  70 #define bcmp(a, b, l) memcmp(a, b, l)
  71
  72 /* bcopy (aka memmove aka memcpy at least on x86) under MSVC is quite safe.  */
  73 #define GAP_USE_BCOPY 1
  74 #define BCOPY_UPWARD_SAFE 1
  75 #define BCOPY_DOWNWARD_SAFE 1
  76
  77 /* If your system uses COFF (Common Object File Format) then define the
  78    preprocessor symbol "COFF".  */
  79 #define COFF 1
  80
  81 #define MAIL_USE_POP 1
  82 #define MAIL_USE_SYSTEM_LOCK 1
  83
  84 /* If the character used to separate elements of the executable path
  85    is not ':', #define this to be the appropriate character constant.  */
  86 #define SEPCHAR ';'
  87
  88 #define ORDINARY_LINK 1
  89
  90 /* ============================================================ */
  91
  92 /* Here, add any special hacks needed to make Emacs work on this
  93    system.  For example, you might define certain system call names
  94    that don't exist on your system, or that do different things on
  95    your system and must be used only through an encapsulation (which
  96    you should place, by convention, in sysdep.c).  */
  97
  98 /* Define this to be the separator between path elements.  */
  99 #define DIRECTORY_SEP XINT (Vdirectory_sep_char)
 100
 101 /* Define this to be the separator between devices and paths.  */
 102 #define DEVICE_SEP ':'
 103
 104 /* We'll support either convention on NT.  */
 105 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
 106 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
 107
 108 #include <sys/types.h>
 109 struct sigaction {
 110   int sa_flags;
 111   void (*sa_handler)(int);
 112   sigset_t sa_mask;
 113 };
 114 #define SIG_BLOCK       1
 115 #define SIG_SETMASK     2
 116 #define SIG_UNBLOCK     3
 117
 118 /* The null device on Windows NT.  */
 119 #define NULL_DEVICE     "NUL:"
 120
 121 #ifndef MAXPATHLEN
 122 #define MAXPATHLEN      _MAX_PATH
 123 #endif
 124
 125 #define HAVE_SOUND  1
 126 #define LISP_FLOAT_TYPE 1
 127
 128 #undef  HAVE_SYS_SELECT_H
 129 #define HAVE_SYS_TIMEB_H 1
 130 #define HAVE_SYS_TIME_H 1
 131 #define HAVE_UNISTD_H 1
 132 #undef  HAVE_UTIME_H
 133 #undef  HAVE_LINUX_VERSION_H
 134 #undef  HAVE_SYS_SYSTEMINFO_H
 135 #undef  HAVE_TERMIOS_H
 136 #define HAVE_LIMITS_H 1
 137 #define HAVE_STRING_H 1
 138 #define HAVE_STDLIB_H 1
 139 #define HAVE_PWD_H 1
 140 #define STDC_HEADERS 1
 141 #define TIME_WITH_SYS_TIME 1
 142
 143 #define HAVE_GETTIMEOFDAY 1
 144 #define HAVE_GETHOSTNAME 1
 145 #undef  HAVE_GETDOMAINNAME
 146 #define HAVE_DUP2 1
 147 #define HAVE_RENAME 1
 148 #define HAVE_CLOSEDIR 1
 149 #define HAVE_FSYNC 1            /* fsync is called _commit in MSVC.  */
 150
 151 #undef  TM_IN_SYS_TIME
 152 #undef  HAVE_TM_ZONE
 153
 154 #define HAVE_LONG_FILE_NAMES 1
 155
 156 #define HAVE_MKDIR 1
 157 #define HAVE_RMDIR 1
 158 #define HAVE_RANDOM 1
 159 #undef  HAVE_SYSINFO
 160 #undef  HAVE_LRAND48
 161 #define HAVE_BCOPY 1
 162 #define HAVE_BCMP 1
 163 #define HAVE_LOGB 1
 164 #define HAVE_FREXP 1
 165 #define HAVE_FMOD 1
 166 #undef  HAVE_RINT
 167 #undef  HAVE_CBRT
 168 #define HAVE_FTIME 1
 169 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 170 #undef  HAVE_SETSID
 171 #undef  HAVE_FPATHCONF
 172 #define HAVE_SELECT 1
 173 #define HAVE_MKTIME 1
 174 #undef  HAVE_EUIDACCESS
 175 #define HAVE_GETPAGESIZE 1
 176 #define HAVE_TZSET 1
 177 #define HAVE_SETLOCALE 1
 178 #undef  HAVE_UTIMES
 179 #undef  HAVE_SETRLIMIT
 180 #undef  HAVE_SETPGID
 181 #undef  HAVE_GETCWD
 182 #define HAVE_SHUTDOWN 1
 183 #define HAVE_STRFTIME 1
 184
 185 #define LOCALTIME_CACHE
 186 #define HAVE_INET_SOCKETS 1
 187
 188 #undef  HAVE_AIX_SMT_EXP
 189 #define USE_TOOLKIT_SCROLL_BARS 1
 190
 191 /* Define if you have the ANSI `strerror' function.
 192    Otherwise you must have the variable `char *sys_errlist[]'.  */
 193 #define HAVE_STRERROR 1
 194
 195 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 196 #undef  HAVE_STRUCT_UTIMBUF
 197
 198 #define HAVE_MOUSE 1
 199 #define HAVE_H_ERRNO 1
 200
 201 #ifdef HAVE_NTGUI
 202 #define HAVE_WINDOW_SYSTEM 1
 203 #define HAVE_MENUS 1
 204 #endif
 205
 206 #define MODE_LINE_BINARY_TEXT(_b_) (NILP ((_b_)->buffer_file_type) ? "T" : "B")
 207
 208 /* Get some redefinitions in place.  */
 209
 210 #ifdef emacs
 211
 212 /* Calls that are emulated or shadowed.  */
 213 #undef access
 214 #define access  sys_access
 215 #undef chdir
 216 #define chdir   sys_chdir
 217 #undef chmod
 218 #define chmod   sys_chmod
 219 #define chown   sys_chown
 220 #undef close
 221 #define close   sys_close
 222 #undef creat
 223 #define creat   sys_creat
 224 #define ctime   sys_ctime
 225 #undef dup
 226 #define dup     sys_dup
 227 #undef dup2
 228 #define dup2    sys_dup2
 229 #define fopen   sys_fopen
 230 #define link    sys_link
 231 #define mkdir   sys_mkdir
 232 #undef mktemp
 233 #define mktemp  sys_mktemp
 234 #undef open
 235 #define open    sys_open
 236 #define pipe    sys_pipe
 237 #undef read
 238 #define read    sys_read
 239 #define rename  sys_rename
 240 #define rmdir   sys_rmdir
 241 #define select  sys_select
 242 #define sleep   sys_sleep
 243 #define strerror sys_strerror
 244 #undef unlink
 245 #define unlink  sys_unlink
 246 #undef write
 247 #define write   sys_write
 248
 249 /* Subprocess calls that are emulated.  */
 250 #define spawnve sys_spawnve
 251 #define wait    sys_wait
 252 #define kill    sys_kill
 253 #define signal  sys_signal
 254
 255 /* termcap.c calls that are emulated.  */
 256 #define tputs   sys_tputs
 257 #define tgetstr sys_tgetstr
 258
 259 /* cm.c calls that are emulated.  */
 260 #define chcheckmagic sys_chcheckmagic
 261 #define cmcostinit   sys_cmcostinit
 262 #define cmgoto       sys_cmgoto
 263 #define cmputc       sys_cmputc
 264 #define Wcm_clear    sys_Wcm_clear
 265
 266 #endif /* emacs */
 267
 268 /* Map to MSVC names.  */
 269 #define execlp    _execlp
 270 #define execvp    _execvp
 271 #define fdopen    _fdopen
 272 #ifndef fileno
 273 #define fileno    _fileno
 274 #endif
 275 #define fsync     _commit
 276 #define ftruncate _chsize
 277 #define getpid    _getpid
 278 #ifdef _MSC_VER
 279 typedef int pid_t;
 280 #endif
 281 #define isatty    _isatty
 282 #define logb      _logb
 283 #define _longjmp  longjmp
 284 #define lseek     _lseek
 285 #define popen     _popen
 286 #define pclose    _pclose
 287 #define umask     _umask
 288 #define utimbuf   _utimbuf
 289 #define index     strchr
 290 #define rindex    strrchr
 291 #define strdup    _strdup
 292 #define strupr    _strupr
 293 #define strnicmp  _strnicmp
 294 #define stricmp   _stricmp
 295 #define tzset     _tzset
 296
 297 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 298 #define tzname    _tzname
 299 #define utime     _utime
 300 #endif
 301
 302 /* This is hacky, but is necessary to avoid warnings about macro
 303    redefinitions using the SDK compilers.  */
 304 #ifndef __STDC__
 305 #define __STDC__ 1
 306 #define MUST_UNDEF__STDC__
 307 #endif
 308 #include <direct.h>
 309 #include <io.h>
 310 #include <stdio.h>
 311 #ifdef MUST_UNDEF__STDC__
 312 #undef __STDC__
 313 #undef MUST_UNDEF__STDC__
 314 #endif
 315
 316 /* Defines that we need that aren't in the standard signal.h.  */
 317 #define SIGHUP  1               /* Hang up */
 318 #define SIGQUIT 3               /* Quit process */
 319 #define SIGTRAP 5               /* Trace trap */
 320 #define SIGKILL 9               /* Die, die die */
 321 #define SIGPIPE 13              /* Write on pipe with no readers */
 322 #define SIGALRM 14              /* Alarm */
 323 #define SIGCHLD 18              /* Death of child */
 324
 325 #ifndef NSIG
 326 #define NSIG 23
 327 #endif
 328
 329 /* For integration with MSDOS support.  */
 330 #define getdisk()               (_getdrive () - 1)
 331 #ifdef emacs
 332 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 333 #else
 334 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 335 #endif
 336
 337 extern char *get_emacs_configuration (void);
 338 extern char *get_emacs_configuration_options (void);
 339 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 340 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 341
 342 /* Define this so that winsock.h definitions don't get included with
 343    windows.h.  For this to have proper effect, config.h must always be
 344    included before windows.h.  */
 345 #define _WINSOCKAPI_    1
 346 #define _WINSOCK_H
 347
 348 /* Defines size_t and alloca ().  */
 349 #ifdef USE_CRT_DLL
 350 #define malloc e_malloc
 351 #define free   e_free
 352 #define realloc e_realloc
 353 #define calloc e_calloc
 354 #endif
 355 #include <malloc.h>
 356
 357 #include <sys/stat.h>
 358
 359 /* Define for those source files that do not include enough NT 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) */