src/s/ms-w32.h

   1 /* System description file for Windows NT.
   2
   3 Copyright (C) 1993-1995, 2001-2012  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 /* Define symbols to identify the version of Unix this is.
  21    Define all the symbols that apply correctly.  */
  22
  23 #ifndef WINDOWSNT
  24 #define WINDOWSNT
  25 #endif
  26 #ifndef DOS_NT
  27 #define DOS_NT  /* MSDOS or WINDOWSNT */
  28 #endif
  29
  30 /* If you are compiling with a non-C calling convention but need to
  31    declare vararg routines differently, put it here.  */
  32 #define _VARARGS_ __cdecl
  33
  34 /* If you are providing a function to something that will call the
  35    function back (like a signal handler and signal, or main) its calling
  36    convention must be whatever standard the libraries expect.  */
  37 #define _CALLBACK_ __cdecl
  38
  39 /* SYSTEM_TYPE should indicate the kind of system you are using.
  40    It sets the Lisp variable system-type.  */
  41 #define SYSTEM_TYPE "windows-nt"
  42
  43 #define NO_MATHERR 1
  44
  45 /* Letter to use in finding device name of first pty,
  46    if system supports pty's.  'a' means it is /dev/ptya0  */
  47 #define FIRST_PTY_LETTER 'a'
  48
  49 /* Define HAVE_TIMEVAL if the system supports the BSD style clock values.
  50    Look in <sys/time.h> for a timeval structure.  */
  51 #define HAVE_TIMEVAL 1
  52
  53 /* NT supports Winsock which is close enough (with some hacks).  */
  54 #define HAVE_SOCKETS 1
  55
  56 /* But our select implementation doesn't allow us to make non-blocking
  57    connects.  So until that is fixed, this is necessary:  */
  58 #define BROKEN_NON_BLOCKING_CONNECT 1
  59
  60 /* And the select implementation does 1-byte read-ahead waiting
  61    for received packets, so datagrams are broken too.  */
  62 #define BROKEN_DATAGRAM_SOCKETS 1
  63
  64 #define MAIL_USE_POP 1
  65 #define MAIL_USE_SYSTEM_LOCK 1
  66
  67 /* If the character used to separate elements of the executable path
  68    is not ':', #define this to be the appropriate character constant.  */
  69 #define SEPCHAR ';'
  70
  71 #define ORDINARY_LINK 1
  72
  73 /* ============================================================ */
  74
  75 /* Here, add any special hacks needed to make Emacs work on this
  76    system.  For example, you might define certain system call names
  77    that don't exist on your system, or that do different things on
  78    your system and must be used only through an encapsulation (which
  79    you should place, by convention, in sysdep.c).  */
  80
  81 /* Define this to be the separator between devices and paths.  */
  82 #define DEVICE_SEP ':'
  83
  84 /* We'll support either convention on NT.  */
  85 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
  86 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
  87
  88 #include <sys/types.h>
  89
  90 #ifdef _MSC_VER
  91 typedef unsigned long sigset_t;
  92 typedef int ssize_t;
  93 #endif
  94
  95 struct sigaction {
  96   int sa_flags;
  97   void (*sa_handler)(int);
  98   sigset_t sa_mask;
  99 };
 100 #define SIG_BLOCK       1
 101 #define SIG_SETMASK     2
 102 #define SIG_UNBLOCK     3
 103
 104 /* The null device on Windows NT.  */
 105 #define NULL_DEVICE     "NUL:"
 106
 107 #ifndef MAXPATHLEN
 108 #define MAXPATHLEN      _MAX_PATH
 109 #endif
 110
 111 #define HAVE_SOUND  1
 112 #define LISP_FLOAT_TYPE 1
 113
 114 #define HAVE_SYS_TIMEB_H 1
 115 #define HAVE_SYS_TIME_H 1
 116 #define HAVE_UNISTD_H 1
 117 #undef  HAVE_UTIME_H
 118 #undef  HAVE_LINUX_VERSION_H
 119 #undef  HAVE_SYS_SYSTEMINFO_H
 120 #define HAVE_PWD_H 1
 121 #define TIME_WITH_SYS_TIME 1
 122
 123 #define HAVE_GETTIMEOFDAY 1
 124 #define HAVE_GETHOSTNAME 1
 125 #define HAVE_DUP2 1
 126 #define HAVE_RENAME 1
 127 #define HAVE_CLOSEDIR 1
 128 #define HAVE_FSYNC 1            /* fsync is called _commit in MSVC.  */
 129
 130 #undef  TM_IN_SYS_TIME
 131 #undef  HAVE_TM_ZONE
 132
 133 #define HAVE_LONG_FILE_NAMES 1
 134
 135 #define HAVE_MKDIR 1
 136 #define HAVE_RMDIR 1
 137 #define HAVE_RANDOM 1
 138 #undef  HAVE_SYSINFO
 139 #undef  HAVE_LRAND48
 140 #define HAVE_MEMCMP 1
 141 #define HAVE_MEMCPY 1
 142 #define HAVE_MEMMOVE 1
 143 #define HAVE_MEMSET 1
 144 #define HAVE_LOGB 1
 145 #define HAVE_FREXP 1
 146 #define HAVE_FMOD 1
 147 #undef  HAVE_RINT
 148 #undef  HAVE_CBRT
 149 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 150 #undef  HAVE_SETSID
 151 #undef  HAVE_FPATHCONF
 152 #define HAVE_SELECT 1
 153 #undef  HAVE_EUIDACCESS
 154 #define HAVE_GETPAGESIZE 1
 155 #define HAVE_TZSET 1
 156 #define HAVE_SETLOCALE 1
 157 #undef  HAVE_UTIMES
 158 #undef  HAVE_SETRLIMIT
 159 #undef  HAVE_SETPGID
 160 /* If you think about defining HAVE_GETCWD, don't: the alternative
 161    getwd is redefined on w32.c, and does not really return the current
 162    directory, to get the desired results elsewhere in Emacs */
 163 #undef  HAVE_GETCWD
 164 #define HAVE_SHUTDOWN 1
 165
 166 #define LOCALTIME_CACHE
 167 #define HAVE_INET_SOCKETS 1
 168
 169 #undef  HAVE_AIX_SMT_EXP
 170 #define USE_TOOLKIT_SCROLL_BARS 1
 171
 172 /* Define if you have the ANSI `strerror' function.
 173    Otherwise you must have the variable `char *sys_errlist[]'.  */
 174 #define HAVE_STRERROR 1
 175
 176 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 177 #undef  HAVE_STRUCT_UTIMBUF
 178
 179 #define HAVE_MOUSE 1
 180 #define HAVE_H_ERRNO 1
 181
 182 #ifdef HAVE_NTGUI
 183 #define HAVE_WINDOW_SYSTEM 1
 184 #define HAVE_MENUS 1
 185 #endif
 186
 187 /* Get some redefinitions in place.  */
 188
 189 #ifdef emacs
 190
 191 #ifdef _MSC_VER
 192 #include <sys/timeb.h>
 193 #include <sys/stat.h>
 194 #include <signal.h>
 195
 196 /* MSVC gets link-time errors without these redirections.  */
 197 #define fstat(a, b) sys_fstat(a, b)
 198 #define stat(a, b)  sys_stat(a, b)
 199 #define utime       sys_utime
 200 #endif
 201
 202 /* Calls that are emulated or shadowed.  */
 203 #undef access
 204 #define access  sys_access
 205 #undef chdir
 206 #define chdir   sys_chdir
 207 #undef chmod
 208 #define chmod   sys_chmod
 209 #define chown   sys_chown
 210 #undef close
 211 #define close   sys_close
 212 #undef creat
 213 #define creat   sys_creat
 214 #define ctime   sys_ctime
 215 #undef dup
 216 #define dup     sys_dup
 217 #undef dup2
 218 #define dup2    sys_dup2
 219 #define fopen   sys_fopen
 220 #define link    sys_link
 221 #define localtime sys_localtime
 222 #define mkdir   sys_mkdir
 223 #undef mktemp
 224 #define mktemp  sys_mktemp
 225 #undef open
 226 #define open    sys_open
 227 #define pipe    sys_pipe
 228 #undef read
 229 #define read    sys_read
 230 #define rename  sys_rename
 231 #define rmdir   sys_rmdir
 232 #define select  sys_select
 233 #define sleep   sys_sleep
 234 #define strerror sys_strerror
 235 #undef unlink
 236 #define unlink  sys_unlink
 237 #undef write
 238 #define write   sys_write
 239
 240 /* Subprocess calls that are emulated.  */
 241 #define spawnve sys_spawnve
 242 #define wait    sys_wait
 243 #define kill    sys_kill
 244 #define signal  sys_signal
 245
 246 /* termcap.c calls that are emulated.  */
 247 #define tputs   sys_tputs
 248 #define tgetstr sys_tgetstr
 249
 250 /* cm.c calls that are emulated.  */
 251 #define chcheckmagic sys_chcheckmagic
 252 #define cmcostinit   sys_cmcostinit
 253 #define cmgoto       sys_cmgoto
 254 #define cmputc       sys_cmputc
 255 #define Wcm_clear    sys_Wcm_clear
 256
 257 #endif /* emacs */
 258
 259 /* Map to MSVC names.  */
 260 #define execlp    _execlp
 261 #define execvp    _execvp
 262 #define fdopen    _fdopen
 263 #ifndef fileno
 264 #define fileno    _fileno
 265 #endif
 266 #define fsync     _commit
 267 #define ftruncate _chsize
 268 #define getpid    _getpid
 269 #ifdef _MSC_VER
 270 typedef int pid_t;
 271 #define snprintf  _snprintf
 272 #define strtoll   _strtoi64
 273 #endif
 274 #define isatty    _isatty
 275 #define logb      _logb
 276 #define _longjmp  longjmp
 277 #define lseek     _lseek
 278 #define popen     _popen
 279 #define pclose    _pclose
 280 #define umask     _umask
 281 #ifndef _MSC_VER
 282 #define utimbuf   _utimbuf
 283 #endif
 284 #define strdup    _strdup
 285 #define strupr    _strupr
 286 #define strnicmp  _strnicmp
 287 #define stricmp   _stricmp
 288 #define tzset     _tzset
 289
 290 /* Include time.h before redirecting tzname, since MSVC's time.h
 291    defines _tzname to call a function, but also declares tzname a
 292    2-element array.  Having the redirection before including the
 293    header thus has the effect of declaring a function that returns an
 294    array, and triggers an error message.  */
 295 #include <time.h>
 296 #define tzname    _tzname
 297 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 298 #undef  utime
 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 emacs
 350 #define malloc e_malloc
 351 #define free   e_free
 352 #define realloc e_realloc
 353 #define calloc e_calloc
 354 #endif
 355 #ifdef _MSC_VER
 356 #define alloca _alloca
 357 #else
 358 #include <malloc.h>
 359 #endif
 360
 361 #include <sys/stat.h>
 362
 363 /* Define for those source files that do not include enough NT system files.  */
 364 #ifndef NULL
 365 #ifdef __cplusplus
 366 #define NULL    0
 367 #else
 368 #define NULL    ((void *)0)
 369 #endif
 370 #endif
 371
 372 /* For proper declaration of environ.  */
 373 #include <stdlib.h>
 374 #ifndef sys_nerr
 375 #define sys_nerr _sys_nerr
 376 #endif
 377 #include <string.h>
 378
 379 extern int getloadavg (double *, int);
 380
 381 /* We need a little extra space, see ../../lisp/loadup.el.  */
 382 #define SYSTEM_PURESIZE_EXTRA 50000
 383
 384 #define DATA_START      get_data_start ()
 385
 386 /* For unexec to work on Alpha systems, we need to put Emacs'
 387    initialized data into a separate section from the CRT initialized
 388    data (because the Alpha linker freely reorders data variables, even
 389    across libraries, so our data and the CRT data get intermingled).
 390
 391    Starting with MSVC 5.0, we must also place the uninitialized data
 392    into its own section.  VC5 intermingles uninitialized data from the CRT
 393    between Emacs' static uninitialized data and its public uninitialized
 394    data.  A separate .bss section for Emacs groups both static and
 395    public uninitialized together.
 396
 397    Note that unexw32.c relies on this fact, and must be modified
 398    accordingly if this section name is changed, or if this pragma is
 399    removed.  Also, obviously, all files that define initialized data
 400    must include config.h to pick up this pragma.  */
 401
 402 /* Names must be < 8 bytes.  */
 403 #ifdef _MSC_VER
 404 #pragma data_seg("EMDATA")
 405 #pragma bss_seg("EMBSS")
 406 #endif
 407
 408 /* #define FULL_DEBUG */
 409 /* #define EMACSDEBUG */
 410
 411 #ifdef EMACSDEBUG
 412 extern void _DebPrint (const char *fmt, ...);
 413 #define DebPrint(stuff) _DebPrint stuff
 414 #else
 415 #define DebPrint(stuff)
 416 #endif
 417
 418
 419 /* ============================================================ */