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 bzero(b, l) memset(b, 0, l)
  67 #define bcopy(s, d, l) memmove(d, s, l)
  68 #define bcmp(a, b, l) memcmp(a, b, l)
  69
  70 /* bcopy (aka memmove aka memcpy at least on x86) under MSVC is quite safe.  */
  71 #define GAP_USE_BCOPY 1
  72 #define BCOPY_UPWARD_SAFE 1
  73 #define BCOPY_DOWNWARD_SAFE 1
  74
  75 /* If your system uses COFF (Common Object File Format) then define the
  76    preprocessor symbol "COFF".  */
  77 #define COFF 1
  78
  79 #define MAIL_USE_POP 1
  80 #define MAIL_USE_SYSTEM_LOCK 1
  81
  82 /* If the character used to separate elements of the executable path
  83    is not ':', #define this to be the appropriate character constant.  */
  84 #define SEPCHAR ';'
  85
  86 #define ORDINARY_LINK 1
  87
  88 /* ============================================================ */
  89
  90 /* Here, add any special hacks needed to make Emacs work on this
  91    system.  For example, you might define certain system call names
  92    that don't exist on your system, or that do different things on
  93    your system and must be used only through an encapsulation (which
  94    you should place, by convention, in sysdep.c).  */
  95
  96 /* Define this to be the separator between devices and paths.  */
  97 #define DEVICE_SEP ':'
  98
  99 /* We'll support either convention on NT.  */
 100 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
 101 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
 102
 103 #include <sys/types.h>
 104 struct sigaction {
 105   int sa_flags;
 106   void (*sa_handler)(int);
 107   sigset_t sa_mask;
 108 };
 109 #define SIG_BLOCK       1
 110 #define SIG_SETMASK     2
 111 #define SIG_UNBLOCK     3
 112
 113 /* The null device on Windows NT.  */
 114 #define NULL_DEVICE     "NUL:"
 115
 116 #ifndef MAXPATHLEN
 117 #define MAXPATHLEN      _MAX_PATH
 118 #endif
 119
 120 #define HAVE_SOUND  1
 121 #define LISP_FLOAT_TYPE 1
 122
 123 #undef  HAVE_SYS_SELECT_H
 124 #define HAVE_SYS_TIMEB_H 1
 125 #define HAVE_SYS_TIME_H 1
 126 #define HAVE_UNISTD_H 1
 127 #undef  HAVE_UTIME_H
 128 #undef  HAVE_LINUX_VERSION_H
 129 #undef  HAVE_SYS_SYSTEMINFO_H
 130 #undef  HAVE_TERMIOS_H
 131 #define HAVE_LIMITS_H 1
 132 #define HAVE_STRING_H 1
 133 #define HAVE_STDLIB_H 1
 134 #define HAVE_PWD_H 1
 135 #define STDC_HEADERS 1
 136 #define TIME_WITH_SYS_TIME 1
 137
 138 #define HAVE_GETTIMEOFDAY 1
 139 #define HAVE_GETHOSTNAME 1
 140 #undef  HAVE_GETDOMAINNAME
 141 #define HAVE_DUP2 1
 142 #define HAVE_RENAME 1
 143 #define HAVE_CLOSEDIR 1
 144 #define HAVE_FSYNC 1            /* fsync is called _commit in MSVC.  */
 145
 146 #undef  TM_IN_SYS_TIME
 147 #undef  HAVE_TM_ZONE
 148
 149 #define HAVE_LONG_FILE_NAMES 1
 150
 151 #define HAVE_MKDIR 1
 152 #define HAVE_RMDIR 1
 153 #define HAVE_RANDOM 1
 154 #undef  HAVE_SYSINFO
 155 #undef  HAVE_LRAND48
 156 #define HAVE_BCOPY 1
 157 #define HAVE_BCMP 1
 158 #define HAVE_LOGB 1
 159 #define HAVE_FREXP 1
 160 #define HAVE_FMOD 1
 161 #undef  HAVE_RINT
 162 #undef  HAVE_CBRT
 163 #define HAVE_FTIME 1
 164 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 165 #undef  HAVE_SETSID
 166 #undef  HAVE_FPATHCONF
 167 #define HAVE_SELECT 1
 168 #define HAVE_MKTIME 1
 169 #undef  HAVE_EUIDACCESS
 170 #define HAVE_GETPAGESIZE 1
 171 #define HAVE_TZSET 1
 172 #define HAVE_SETLOCALE 1
 173 #undef  HAVE_UTIMES
 174 #undef  HAVE_SETRLIMIT
 175 #undef  HAVE_SETPGID
 176 #undef  HAVE_GETCWD
 177 #define HAVE_SHUTDOWN 1
 178 #define HAVE_STRFTIME 1
 179
 180 #define LOCALTIME_CACHE
 181 #define HAVE_INET_SOCKETS 1
 182
 183 #undef  HAVE_AIX_SMT_EXP
 184 #define USE_TOOLKIT_SCROLL_BARS 1
 185
 186 /* Define if you have the ANSI `strerror' function.
 187    Otherwise you must have the variable `char *sys_errlist[]'.  */
 188 #define HAVE_STRERROR 1
 189
 190 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 191 #undef  HAVE_STRUCT_UTIMBUF
 192
 193 #define HAVE_MOUSE 1
 194 #define HAVE_H_ERRNO 1
 195
 196 #ifdef HAVE_NTGUI
 197 #define HAVE_WINDOW_SYSTEM 1
 198 #define HAVE_MENUS 1
 199 #endif
 200
 201 #define MODE_LINE_BINARY_TEXT(_b_) (NILP ((_b_)->buffer_file_type) ? "T" : "B")
 202
 203 /* Get some redefinitions in place.  */
 204
 205 #ifdef emacs
 206
 207 /* Calls that are emulated or shadowed.  */
 208 #undef access
 209 #define access  sys_access
 210 #undef chdir
 211 #define chdir   sys_chdir
 212 #undef chmod
 213 #define chmod   sys_chmod
 214 #define chown   sys_chown
 215 #undef close
 216 #define close   sys_close
 217 #undef creat
 218 #define creat   sys_creat
 219 #define ctime   sys_ctime
 220 #undef dup
 221 #define dup     sys_dup
 222 #undef dup2
 223 #define dup2    sys_dup2
 224 #define fopen   sys_fopen
 225 #define link    sys_link
 226 #define mkdir   sys_mkdir
 227 #undef mktemp
 228 #define mktemp  sys_mktemp
 229 #undef open
 230 #define open    sys_open
 231 #define pipe    sys_pipe
 232 #undef read
 233 #define read    sys_read
 234 #define rename  sys_rename
 235 #define rmdir   sys_rmdir
 236 #define select  sys_select
 237 #define sleep   sys_sleep
 238 #define strerror sys_strerror
 239 #undef unlink
 240 #define unlink  sys_unlink
 241 #undef write
 242 #define write   sys_write
 243
 244 /* Subprocess calls that are emulated.  */
 245 #define spawnve sys_spawnve
 246 #define wait    sys_wait
 247 #define kill    sys_kill
 248 #define signal  sys_signal
 249
 250 /* termcap.c calls that are emulated.  */
 251 #define tputs   sys_tputs
 252 #define tgetstr sys_tgetstr
 253
 254 /* cm.c calls that are emulated.  */
 255 #define chcheckmagic sys_chcheckmagic
 256 #define cmcostinit   sys_cmcostinit
 257 #define cmgoto       sys_cmgoto
 258 #define cmputc       sys_cmputc
 259 #define Wcm_clear    sys_Wcm_clear
 260
 261 #endif /* emacs */
 262
 263 /* Map to MSVC names.  */
 264 #define execlp    _execlp
 265 #define execvp    _execvp
 266 #define fdopen    _fdopen
 267 #ifndef fileno
 268 #define fileno    _fileno
 269 #endif
 270 #define fsync     _commit
 271 #define ftruncate _chsize
 272 #define getpid    _getpid
 273 #ifdef _MSC_VER
 274 typedef int pid_t;
 275 #endif
 276 #define isatty    _isatty
 277 #define logb      _logb
 278 #define _longjmp  longjmp
 279 #define lseek     _lseek
 280 #define popen     _popen
 281 #define pclose    _pclose
 282 #define umask     _umask
 283 #define utimbuf   _utimbuf
 284 #define index     strchr
 285 #define rindex    strrchr
 286 #define strdup    _strdup
 287 #define strupr    _strupr
 288 #define strnicmp  _strnicmp
 289 #define stricmp   _stricmp
 290 #define tzset     _tzset
 291
 292 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 293 #define tzname    _tzname
 294 #define utime     _utime
 295 #endif
 296
 297 /* This is hacky, but is necessary to avoid warnings about macro
 298    redefinitions using the SDK compilers.  */
 299 #ifndef __STDC__
 300 #define __STDC__ 1
 301 #define MUST_UNDEF__STDC__
 302 #endif
 303 #include <direct.h>
 304 #include <io.h>
 305 #include <stdio.h>
 306 #ifdef MUST_UNDEF__STDC__
 307 #undef __STDC__
 308 #undef MUST_UNDEF__STDC__
 309 #endif
 310
 311 /* Defines that we need that aren't in the standard signal.h.  */
 312 #define SIGHUP  1               /* Hang up */
 313 #define SIGQUIT 3               /* Quit process */
 314 #define SIGTRAP 5               /* Trace trap */
 315 #define SIGKILL 9               /* Die, die die */
 316 #define SIGPIPE 13              /* Write on pipe with no readers */
 317 #define SIGALRM 14              /* Alarm */
 318 #define SIGCHLD 18              /* Death of child */
 319
 320 #ifndef NSIG
 321 #define NSIG 23
 322 #endif
 323
 324 /* For integration with MSDOS support.  */
 325 #define getdisk()               (_getdrive () - 1)
 326 #ifdef emacs
 327 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 328 #else
 329 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 330 #endif
 331
 332 extern char *get_emacs_configuration (void);
 333 extern char *get_emacs_configuration_options (void);
 334 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 335 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 336
 337 /* Define this so that winsock.h definitions don't get included with
 338    windows.h.  For this to have proper effect, config.h must always be
 339    included before windows.h.  */
 340 #define _WINSOCKAPI_    1
 341 #define _WINSOCK_H
 342
 343 /* Defines size_t and alloca ().  */
 344 #ifdef USE_CRT_DLL
 345 #define malloc e_malloc
 346 #define free   e_free
 347 #define realloc e_realloc
 348 #define calloc e_calloc
 349 #endif
 350 #include <malloc.h>
 351
 352 #include <sys/stat.h>
 353
 354 /* Define for those source files that do not include enough NT system files.  */
 355 #ifndef NULL
 356 #ifdef __cplusplus
 357 #define NULL    0
 358 #else
 359 #define NULL    ((void *)0)
 360 #endif
 361 #endif
 362
 363 /* For proper declaration of environ.  */
 364 #include <stdlib.h>
 365 #ifndef sys_nerr
 366 #define sys_nerr _sys_nerr
 367 #endif
 368 #include <string.h>
 369
 370 /* We need a little extra space, see ../../lisp/loadup.el.  */
 371 #define SYSTEM_PURESIZE_EXTRA 50000
 372
 373 /* For unexec to work on Alpha systems, we need to put Emacs'
 374    initialized data into a separate section from the CRT initialized
 375    data (because the Alpha linker freely reorders data variables, even
 376    across libraries, so our data and the CRT data get intermingled).
 377
 378    Starting with MSVC 5.0, we must also place the uninitialized data
 379    into its own section.  VC5 intermingles uninitialized data from the CRT
 380    between Emacs' static uninitialized data and its public uninitialized
 381    data.  A separate .bss section for Emacs groups both static and
 382    public uninitialized together.
 383
 384    Note that unexw32.c relies on this fact, and must be modified
 385    accordingly if this section name is changed, or if this pragma is
 386    removed.  Also, obviously, all files that define initialized data
 387    must include config.h to pick up this pragma.  */
 388
 389 /* Names must be < 8 bytes.  */
 390 #ifdef _MSC_VER
 391 #pragma data_seg("EMDATA")
 392 #pragma bss_seg("EMBSS")
 393 #endif
 394
 395 /* #define FULL_DEBUG */
 396 /* #define EMACSDEBUG */
 397
 398 #ifdef EMACSDEBUG
 399 extern void _DebPrint (const char *fmt, ...);
 400 #define DebPrint(stuff) _DebPrint stuff
 401 #else
 402 #define DebPrint(stuff)
 403 #endif
 404
 405
 406 /* ============================================================ */
 407
 408 /* arch-tag: 5d4a3a1c-40dc-4dea-9c7c-38fed9ae0eae
 409    (do not change this comment) */