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 /*
  22  *      Define symbols to identify the version of Unix this is.
  23  *      Define all the symbols that apply correctly.
  24  */
  25
  26 #ifndef WINDOWSNT
  27 #define WINDOWSNT
  28 #endif
  29 #ifndef DOS_NT
  30 #define DOS_NT  /* MSDOS or WINDOWSNT */
  31 #endif
  32
  33 /* If you are compiling with a non-C calling convention but need to
  34    declare vararg routines differently, put it here */
  35 #define _VARARGS_ __cdecl
  36
  37 /* If you are providing a function to something that will call the
  38    function back (like a signal handler and signal, or main) its calling
  39    convention must be whatever standard the libraries expect */
  40 #define _CALLBACK_ __cdecl
  41
  42 /* SYSTEM_TYPE should indicate the kind of system you are using.
  43  It sets the Lisp variable system-type.  */
  44
  45 #define SYSTEM_TYPE "windows-nt"
  46 #define SYMS_SYSTEM syms_of_ntterm ()
  47
  48 #define NO_MATHERR 1
  49
  50 /* Letter to use in finding device name of first pty,
  51   if system supports pty's.  'a' means it is /dev/ptya0  */
  52
  53 #define FIRST_PTY_LETTER 'a'
  54
  55 /*
  56  *      Define HAVE_TIMEVAL if the system supports the BSD style clock values.
  57  *      Look in <sys/time.h> for a timeval structure.
  58  */
  59
  60 #define HAVE_TIMEVAL 1
  61
  62 /* NT supports Winsock which is close enough (with some hacks) */
  63
  64 #define HAVE_SOCKETS 1
  65
  66 /* But our select implementation doesn't allow us to make non-blocking
  67    connects.  So until that is fixed, this is necessary:  */
  68
  69 #define BROKEN_NON_BLOCKING_CONNECT 1
  70
  71 /* And the select implementation does 1-byte read-ahead waiting
  72    for received packets, so datagrams are broken too.  */
  73
  74 #define BROKEN_DATAGRAM_SOCKETS 1
  75
  76 /* Define this symbol if your system has the functions bcopy, etc. */
  77
  78 #define BSTRING
  79 #define bzero(b, l) memset(b, 0, l)
  80 #define bcopy(s, d, l) memmove(d, s, l)
  81 #define bcmp(a, b, l) memcmp(a, b, l)
  82
  83 /* bcopy (aka memmove aka memcpy at least on x86) under MSVC is quite safe */
  84 #define GAP_USE_BCOPY 1
  85 #define BCOPY_UPWARD_SAFE 1
  86 #define BCOPY_DOWNWARD_SAFE 1
  87
  88 /* If your system uses COFF (Common Object File Format) then define the
  89    preprocessor symbol "COFF". */
  90
  91 #define COFF 1
  92
  93 #define MAIL_USE_POP 1
  94 #define MAIL_USE_SYSTEM_LOCK 1
  95
  96 /* If the character used to separate elements of the executable path
  97    is not ':', #define this to be the appropriate character constant.  */
  98 #define SEPCHAR ';'
  99
 100 #define ORDINARY_LINK 1
 101
 102 /* ============================================================ */
 103
 104 /* Here, add any special hacks needed
 105    to make Emacs work on this system.  For example,
 106    you might define certain system call names that don't
 107    exist on your system, or that do different things on
 108    your system and must be used only through an encapsulation
 109    (Which you should place, by convention, in sysdep.c).  */
 110
 111 /* Define this to be the separator between path elements */
 112 #define DIRECTORY_SEP XINT (Vdirectory_sep_char)
 113
 114 /* Define this to be the separator between devices and paths */
 115 #define DEVICE_SEP ':'
 116
 117 /* We'll support either convention on NT.  */
 118 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
 119 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
 120
 121 #include <sys/types.h>
 122 struct sigaction {
 123   int sa_flags;
 124   void (*sa_handler)(int);
 125   sigset_t sa_mask;
 126 };
 127 #define SIG_BLOCK       1
 128 #define SIG_SETMASK     2
 129 #define SIG_UNBLOCK     3
 130
 131 /* The null device on Windows NT. */
 132 #define NULL_DEVICE     "NUL:"
 133
 134 #ifndef MAXPATHLEN
 135 #define MAXPATHLEN      _MAX_PATH
 136 #endif
 137
 138 #define HAVE_SOUND  1
 139 #define LISP_FLOAT_TYPE 1
 140
 141 #undef  HAVE_SYS_SELECT_H
 142 #define HAVE_SYS_TIMEB_H 1
 143 #define HAVE_SYS_TIME_H 1
 144 #define HAVE_UNISTD_H 1
 145 #undef  HAVE_UTIME_H
 146 #undef  HAVE_LINUX_VERSION_H
 147 #undef  HAVE_SYS_SYSTEMINFO_H
 148 #undef  HAVE_TERMIOS_H
 149 #define HAVE_LIMITS_H 1
 150 #define HAVE_STRING_H 1
 151 #define HAVE_STDLIB_H 1
 152 #define HAVE_PWD_H 1
 153 #define STDC_HEADERS 1
 154 #define TIME_WITH_SYS_TIME 1
 155
 156 #define HAVE_GETTIMEOFDAY 1
 157 #define HAVE_GETHOSTNAME 1
 158 #undef  HAVE_GETDOMAINNAME
 159 #define HAVE_DUP2 1
 160 #define HAVE_RENAME 1
 161 #define HAVE_CLOSEDIR 1
 162 #define HAVE_FSYNC 1            /* fsync is called _commit in MSVC.  */
 163
 164 #undef  TM_IN_SYS_TIME
 165 #undef  HAVE_TM_ZONE
 166
 167 #define HAVE_LONG_FILE_NAMES 1
 168
 169 #define HAVE_MKDIR 1
 170 #define HAVE_RMDIR 1
 171 #define HAVE_RANDOM 1
 172 #undef  HAVE_SYSINFO
 173 #undef  HAVE_LRAND48
 174 #define HAVE_BCOPY 1
 175 #define HAVE_BCMP 1
 176 #define HAVE_LOGB 1
 177 #define HAVE_FREXP 1
 178 #define HAVE_FMOD 1
 179 #undef  HAVE_RINT
 180 #undef  HAVE_CBRT
 181 #define HAVE_FTIME 1
 182 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 183 #undef  HAVE_SETSID
 184 #undef  HAVE_FPATHCONF
 185 #define HAVE_SELECT 1
 186 #define HAVE_MKTIME 1
 187 #undef  HAVE_EUIDACCESS
 188 #define HAVE_GETPAGESIZE 1
 189 #define HAVE_TZSET 1
 190 #define HAVE_SETLOCALE 1
 191 #undef  HAVE_UTIMES
 192 #undef  HAVE_SETRLIMIT
 193 #undef  HAVE_SETPGID
 194 #undef  HAVE_GETCWD
 195 #define HAVE_SHUTDOWN 1
 196 #define HAVE_STRFTIME 1
 197
 198 #define LOCALTIME_CACHE
 199 #define HAVE_INET_SOCKETS 1
 200
 201 #undef  HAVE_AIX_SMT_EXP
 202 #define USE_TOOLKIT_SCROLL_BARS 1
 203
 204 /* Define if you have the ANSI `strerror' function.
 205    Otherwise you must have the variable `char *sys_errlist[]'.  */
 206 #define HAVE_STRERROR 1
 207
 208 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 209 #undef  HAVE_STRUCT_UTIMBUF
 210
 211 #define HAVE_MOUSE 1
 212 #define HAVE_H_ERRNO 1
 213
 214 #ifdef HAVE_NTGUI
 215 #define HAVE_WINDOW_SYSTEM 1
 216 #define HAVE_MENUS 1
 217 #endif
 218
 219 #define MODE_LINE_BINARY_TEXT(_b_) (NILP ((_b_)->buffer_file_type) ? "T" : "B")
 220
 221 /* get some redefinitions in place */
 222
 223 #ifdef emacs
 224
 225 /* calls that are emulated or shadowed */
 226 #undef access
 227 #define access  sys_access
 228 #undef chdir
 229 #define chdir   sys_chdir
 230 #undef chmod
 231 #define chmod   sys_chmod
 232 #define chown   sys_chown
 233 #undef close
 234 #define close   sys_close
 235 #undef creat
 236 #define creat   sys_creat
 237 #define ctime   sys_ctime
 238 #undef dup
 239 #define dup     sys_dup
 240 #undef dup2
 241 #define dup2    sys_dup2
 242 #define fopen   sys_fopen
 243 #define link    sys_link
 244 #define mkdir   sys_mkdir
 245 #undef mktemp
 246 #define mktemp  sys_mktemp
 247 #undef open
 248 #define open    sys_open
 249 #define pipe    sys_pipe
 250 #undef read
 251 #define read    sys_read
 252 #define rename  sys_rename
 253 #define rmdir   sys_rmdir
 254 #define select  sys_select
 255 #define sleep   sys_sleep
 256 #define strerror sys_strerror
 257 #undef unlink
 258 #define unlink  sys_unlink
 259 #undef write
 260 #define write   sys_write
 261
 262 /* subprocess calls that are emulated */
 263 #define spawnve sys_spawnve
 264 #define wait    sys_wait
 265 #define kill    sys_kill
 266 #define signal  sys_signal
 267
 268 /* termcap.c calls that are emulated */
 269 #define tputs   sys_tputs
 270 #define tgetstr sys_tgetstr
 271
 272 /* cm.c calls that are emulated */
 273 #define chcheckmagic sys_chcheckmagic
 274 #define cmcostinit   sys_cmcostinit
 275 #define cmgoto       sys_cmgoto
 276 #define cmputc       sys_cmputc
 277 #define Wcm_clear    sys_Wcm_clear
 278
 279 #endif /* emacs */
 280
 281 /* map to MSVC names */
 282 #define execlp    _execlp
 283 #define execvp    _execvp
 284 #define fdopen    _fdopen
 285 #ifndef fileno
 286 #define fileno    _fileno
 287 #endif
 288 #define fsync     _commit
 289 #define ftruncate _chsize
 290 #define getpid    _getpid
 291 #ifdef _MSC_VER
 292 typedef int pid_t;
 293 #endif
 294 #define isatty    _isatty
 295 #define logb      _logb
 296 #define _longjmp  longjmp
 297 #define lseek     _lseek
 298 #define popen     _popen
 299 #define pclose    _pclose
 300 #define umask     _umask
 301 #define utimbuf   _utimbuf
 302 #define index     strchr
 303 #define rindex    strrchr
 304 #define strdup    _strdup
 305 #define strupr    _strupr
 306 #define strnicmp  _strnicmp
 307 #define stricmp   _stricmp
 308 #define tzset     _tzset
 309
 310 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 311 #define tzname    _tzname
 312 #define utime     _utime
 313 #endif
 314
 315 /* this is hacky, but is necessary to avoid warnings about macro
 316    redefinitions using the SDK compilers */
 317 #ifndef __STDC__
 318 #define __STDC__ 1
 319 #define MUST_UNDEF__STDC__
 320 #endif
 321 #include <direct.h>
 322 #include <io.h>
 323 #include <stdio.h>
 324 #ifdef MUST_UNDEF__STDC__
 325 #undef __STDC__
 326 #undef MUST_UNDEF__STDC__
 327 #endif
 328
 329 /* Defines that we need that aren't in the standard signal.h  */
 330 #define SIGHUP  1               /* Hang up */
 331 #define SIGQUIT 3               /* Quit process */
 332 #define SIGTRAP 5               /* Trace trap */
 333 #define SIGKILL 9               /* Die, die die */
 334 #define SIGPIPE 13              /* Write on pipe with no readers */
 335 #define SIGALRM 14              /* Alarm */
 336 #define SIGCHLD 18              /* Death of child */
 337
 338 #ifndef NSIG
 339 #define NSIG 23
 340 #endif
 341
 342 /* For integration with MSDOS support.  */
 343 #define getdisk()               (_getdrive () - 1)
 344 #ifdef emacs
 345 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 346 #else
 347 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 348 #endif
 349
 350 extern char *get_emacs_configuration (void);
 351 extern char *get_emacs_configuration_options (void);
 352 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 353 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 354
 355 /* Define this so that winsock.h definitions don't get included with
 356    windows.h.  For this to have proper effect, config.h must always be
 357    included before windows.h.  */
 358 #define _WINSOCKAPI_    1
 359 #define _WINSOCK_H
 360
 361 /* Defines size_t and alloca ().  */
 362 #ifdef USE_CRT_DLL
 363 #define malloc e_malloc
 364 #define free   e_free
 365 #define realloc e_realloc
 366 #define calloc e_calloc
 367 #endif
 368 #include <malloc.h>
 369
 370 #include <sys/stat.h>
 371
 372 /* Define for those source files that do not include enough NT
 373    system files.  */
 374 #ifndef NULL
 375 #ifdef __cplusplus
 376 #define NULL    0
 377 #else
 378 #define NULL    ((void *)0)
 379 #endif
 380 #endif
 381
 382 /* For proper declaration of environ.  */
 383 #include <stdlib.h>
 384 #ifndef sys_nerr
 385 #define sys_nerr _sys_nerr
 386 #endif
 387 #include <string.h>
 388
 389 /* We need a little extra space, see ../../lisp/loadup.el.  */
 390 #define SYSTEM_PURESIZE_EXTRA 50000
 391
 392 /* For unexec to work on Alpha systems, we need to put Emacs'
 393    initialized data into a separate section from the CRT initialized
 394    data (because the Alpha linker freely reorders data variables, even
 395    across libraries, so our data and the CRT data get intermingled).
 396
 397    Starting with MSVC 5.0, we must also place the uninitialized data
 398    into its own section.  VC5 intermingles uninitialized data from the CRT
 399    between Emacs' static uninitialized data and its public uninitialized
 400    data.  A separate .bss section for Emacs groups both static and
 401    public uninitialized together.
 402
 403    Note that unexw32.c relies on this fact, and must be modified
 404    accordingly if this section name is changed, or if this pragma is
 405    removed.  Also, obviously, all files that define initialized data
 406    must include config.h to pick up this pragma.  */
 407
 408 /* Names must be < 8 bytes */
 409 #ifdef _MSC_VER
 410 #pragma data_seg("EMDATA")
 411 #pragma bss_seg("EMBSS")
 412 #endif
 413
 414 /* #define FULL_DEBUG */
 415 /* #define EMACSDEBUG */
 416
 417 #ifdef EMACSDEBUG
 418 extern void _DebPrint (const char *fmt, ...);
 419 #define DebPrint(stuff) _DebPrint stuff
 420 #else
 421 #define DebPrint(stuff)
 422 #endif
 423
 424
 425 /* ============================================================ */
 426
 427 /* arch-tag: 5d4a3a1c-40dc-4dea-9c7c-38fed9ae0eae
 428    (do not change this comment) */