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 #define NO_MATHERR 1
  40
  41 /* Letter to use in finding device name of first pty,
  42    if system supports pty's.  'a' means it is /dev/ptya0  */
  43 #define FIRST_PTY_LETTER 'a'
  44
  45 /* Define HAVE_TIMEVAL if the system supports the BSD style clock values.
  46    Look in <sys/time.h> for a timeval structure.  */
  47 #define HAVE_TIMEVAL 1
  48
  49 /* NT supports Winsock which is close enough (with some hacks).  */
  50 #define HAVE_SOCKETS 1
  51
  52 /* But our select implementation doesn't allow us to make non-blocking
  53    connects.  So until that is fixed, this is necessary:  */
  54 #define BROKEN_NON_BLOCKING_CONNECT 1
  55
  56 /* And the select implementation does 1-byte read-ahead waiting
  57    for received packets, so datagrams are broken too.  */
  58 #define BROKEN_DATAGRAM_SOCKETS 1
  59
  60 #define MAIL_USE_POP 1
  61 #define MAIL_USE_SYSTEM_LOCK 1
  62
  63 /* If the character used to separate elements of the executable path
  64    is not ':', #define this to be the appropriate character constant.  */
  65 #define SEPCHAR ';'
  66
  67 #define ORDINARY_LINK 1
  68
  69 /* ============================================================ */
  70
  71 /* Here, add any special hacks needed to make Emacs work on this
  72    system.  For example, you might define certain system call names
  73    that don't exist on your system, or that do different things on
  74    your system and must be used only through an encapsulation (which
  75    you should place, by convention, in sysdep.c).  */
  76
  77 /* Define this to be the separator between devices and paths.  */
  78 #define DEVICE_SEP ':'
  79
  80 /* We'll support either convention on NT.  */
  81 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
  82 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
  83
  84 #include <sys/types.h>
  85
  86 #ifdef _MSC_VER
  87 typedef unsigned long sigset_t;
  88 typedef int ssize_t;
  89 #endif
  90
  91 struct sigaction {
  92   int sa_flags;
  93   void (*sa_handler)(int);
  94   sigset_t sa_mask;
  95 };
  96 #define SIG_BLOCK       1
  97 #define SIG_SETMASK     2
  98 #define SIG_UNBLOCK     3
  99
 100 /* The null device on Windows NT.  */
 101 #define NULL_DEVICE     "NUL:"
 102
 103 #ifndef MAXPATHLEN
 104 #define MAXPATHLEN      _MAX_PATH
 105 #endif
 106
 107 #define HAVE_SOUND  1
 108 #define LISP_FLOAT_TYPE 1
 109
 110 #define HAVE_SYS_TIMEB_H 1
 111 #define HAVE_SYS_TIME_H 1
 112 #define HAVE_UNISTD_H 1
 113 #undef  HAVE_UTIME_H
 114 #undef  HAVE_LINUX_VERSION_H
 115 #undef  HAVE_SYS_SYSTEMINFO_H
 116 #define HAVE_PWD_H 1
 117 #define TIME_WITH_SYS_TIME 1
 118
 119 #define HAVE_GETTIMEOFDAY 1
 120 #define HAVE_GETHOSTNAME 1
 121 #define HAVE_DUP2 1
 122 #define HAVE_RENAME 1
 123 #define HAVE_CLOSEDIR 1
 124 #define HAVE_FSYNC 1            /* fsync is called _commit in MSVC.  */
 125
 126 #undef  TM_IN_SYS_TIME
 127 #undef  HAVE_TM_ZONE
 128
 129 #define HAVE_LONG_FILE_NAMES 1
 130
 131 #define HAVE_MKDIR 1
 132 #define HAVE_RMDIR 1
 133 #define HAVE_RANDOM 1
 134 #undef  HAVE_SYSINFO
 135 #undef  HAVE_LRAND48
 136 #define HAVE_MEMCMP 1
 137 #define HAVE_MEMCPY 1
 138 #define HAVE_MEMMOVE 1
 139 #define HAVE_MEMSET 1
 140 #define HAVE_LOGB 1
 141 #define HAVE_FREXP 1
 142 #define HAVE_FMOD 1
 143 #undef  HAVE_RINT
 144 #undef  HAVE_CBRT
 145 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 146 #undef  HAVE_SETSID
 147 #undef  HAVE_FPATHCONF
 148 #define HAVE_SELECT 1
 149 #undef  HAVE_EUIDACCESS
 150 #define HAVE_GETPAGESIZE 1
 151 #define HAVE_TZSET 1
 152 #define HAVE_SETLOCALE 1
 153 #undef  HAVE_UTIMES
 154 #undef  HAVE_SETRLIMIT
 155 #undef  HAVE_SETPGID
 156 /* If you think about defining HAVE_GETCWD, don't: the alternative
 157    getwd is redefined on w32.c, and does not really return the current
 158    directory, to get the desired results elsewhere in Emacs */
 159 #undef  HAVE_GETCWD
 160 #define HAVE_SHUTDOWN 1
 161
 162 #define LOCALTIME_CACHE
 163 #define HAVE_INET_SOCKETS 1
 164
 165 #undef  HAVE_AIX_SMT_EXP
 166 #define USE_TOOLKIT_SCROLL_BARS 1
 167
 168 /* Define if you have the ANSI `strerror' function.
 169    Otherwise you must have the variable `char *sys_errlist[]'.  */
 170 #define HAVE_STRERROR 1
 171
 172 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 173 #undef  HAVE_STRUCT_UTIMBUF
 174
 175 #define HAVE_MOUSE 1
 176 #define HAVE_H_ERRNO 1
 177
 178 #ifdef HAVE_NTGUI
 179 #define HAVE_WINDOW_SYSTEM 1
 180 #define HAVE_MENUS 1
 181 #endif
 182
 183 /* Get some redefinitions in place.  */
 184
 185 #ifdef emacs
 186
 187 #ifdef _MSC_VER
 188 #include <sys/timeb.h>
 189 #include <sys/stat.h>
 190 #include <signal.h>
 191
 192 /* MSVC gets link-time errors without these redirections.  */
 193 #define fstat(a, b) sys_fstat(a, b)
 194 #define stat(a, b)  sys_stat(a, b)
 195 #define utime       sys_utime
 196 #endif
 197
 198 /* Calls that are emulated or shadowed.  */
 199 #undef access
 200 #define access  sys_access
 201 #undef chdir
 202 #define chdir   sys_chdir
 203 #undef chmod
 204 #define chmod   sys_chmod
 205 #define chown   sys_chown
 206 #undef close
 207 #define close   sys_close
 208 #undef creat
 209 #define creat   sys_creat
 210 #define ctime   sys_ctime
 211 #undef dup
 212 #define dup     sys_dup
 213 #undef dup2
 214 #define dup2    sys_dup2
 215 #define fopen   sys_fopen
 216 #define link    sys_link
 217 #define localtime sys_localtime
 218 #define mkdir   sys_mkdir
 219 #undef mktemp
 220 #define mktemp  sys_mktemp
 221 #undef open
 222 #define open    sys_open
 223 #define pipe    sys_pipe
 224 #undef read
 225 #define read    sys_read
 226 #define rename  sys_rename
 227 #define rmdir   sys_rmdir
 228 #define select  sys_select
 229 #define sleep   sys_sleep
 230 #define strerror sys_strerror
 231 #undef unlink
 232 #define unlink  sys_unlink
 233 #undef write
 234 #define write   sys_write
 235
 236 /* Subprocess calls that are emulated.  */
 237 #define spawnve sys_spawnve
 238 #define wait    sys_wait
 239 #define kill    sys_kill
 240 #define signal  sys_signal
 241
 242 /* termcap.c calls that are emulated.  */
 243 #define tputs   sys_tputs
 244 #define tgetstr sys_tgetstr
 245
 246 /* cm.c calls that are emulated.  */
 247 #define chcheckmagic sys_chcheckmagic
 248 #define cmcostinit   sys_cmcostinit
 249 #define cmgoto       sys_cmgoto
 250 #define cmputc       sys_cmputc
 251 #define Wcm_clear    sys_Wcm_clear
 252
 253 #endif /* emacs */
 254
 255 /* Map to MSVC names.  */
 256 #define execlp    _execlp
 257 #define execvp    _execvp
 258 #define fdopen    _fdopen
 259 #ifndef fileno
 260 #define fileno    _fileno
 261 #endif
 262 #define fsync     _commit
 263 #define ftruncate _chsize
 264 #define getpid    _getpid
 265 #ifdef _MSC_VER
 266 typedef int pid_t;
 267 #define snprintf  _snprintf
 268 #define strtoll   _strtoi64
 269 #endif
 270 #define isatty    _isatty
 271 #define logb      _logb
 272 #define _longjmp  longjmp
 273 #define lseek     _lseek
 274 #define popen     _popen
 275 #define pclose    _pclose
 276 #define umask     _umask
 277 #ifndef _MSC_VER
 278 #define utimbuf   _utimbuf
 279 #endif
 280 #define strdup    _strdup
 281 #define strupr    _strupr
 282 #define strnicmp  _strnicmp
 283 #define stricmp   _stricmp
 284 #define tzset     _tzset
 285
 286 /* Include time.h before redirecting tzname, since MSVC's time.h
 287    defines _tzname to call a function, but also declares tzname a
 288    2-element array.  Having the redirection before including the
 289    header thus has the effect of declaring a function that returns an
 290    array, and triggers an error message.  */
 291 #include <time.h>
 292 #define tzname    _tzname
 293 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 294 #undef  utime
 295 #define utime     _utime
 296 #endif
 297
 298 /* This is hacky, but is necessary to avoid warnings about macro
 299    redefinitions using the SDK compilers.  */
 300 #ifndef __STDC__
 301 #define __STDC__ 1
 302 #define MUST_UNDEF__STDC__
 303 #endif
 304 #include <direct.h>
 305 #include <io.h>
 306 #include <stdio.h>
 307 #ifdef MUST_UNDEF__STDC__
 308 #undef __STDC__
 309 #undef MUST_UNDEF__STDC__
 310 #endif
 311
 312 /* Defines that we need that aren't in the standard signal.h.  */
 313 #define SIGHUP  1               /* Hang up */
 314 #define SIGQUIT 3               /* Quit process */
 315 #define SIGTRAP 5               /* Trace trap */
 316 #define SIGKILL 9               /* Die, die die */
 317 #define SIGPIPE 13              /* Write on pipe with no readers */
 318 #define SIGALRM 14              /* Alarm */
 319 #define SIGCHLD 18              /* Death of child */
 320
 321 #ifndef NSIG
 322 #define NSIG 23
 323 #endif
 324
 325 /* For integration with MSDOS support.  */
 326 #define getdisk()               (_getdrive () - 1)
 327 #ifdef emacs
 328 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 329 #else
 330 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 331 #endif
 332
 333 extern char *get_emacs_configuration (void);
 334 extern char *get_emacs_configuration_options (void);
 335 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 336 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 337
 338 /* Define this so that winsock.h definitions don't get included with
 339    windows.h.  For this to have proper effect, config.h must always be
 340    included before windows.h.  */
 341 #define _WINSOCKAPI_    1
 342 #define _WINSOCK_H
 343
 344 /* Defines size_t and alloca ().  */
 345 #ifdef emacs
 346 #define malloc e_malloc
 347 #define free   e_free
 348 #define realloc e_realloc
 349 #define calloc e_calloc
 350 #endif
 351 #ifdef _MSC_VER
 352 #define alloca _alloca
 353 #else
 354 #include <malloc.h>
 355 #endif
 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 extern int getloadavg (double *, int);
 376
 377 /* We need a little extra space, see ../../lisp/loadup.el.  */
 378 #define SYSTEM_PURESIZE_EXTRA 50000
 379
 380 #define DATA_START      get_data_start ()
 381
 382 /* For unexec to work on Alpha systems, we need to put Emacs'
 383    initialized data into a separate section from the CRT initialized
 384    data (because the Alpha linker freely reorders data variables, even
 385    across libraries, so our data and the CRT data get intermingled).
 386
 387    Starting with MSVC 5.0, we must also place the uninitialized data
 388    into its own section.  VC5 intermingles uninitialized data from the CRT
 389    between Emacs' static uninitialized data and its public uninitialized
 390    data.  A separate .bss section for Emacs groups both static and
 391    public uninitialized together.
 392
 393    Note that unexw32.c relies on this fact, and must be modified
 394    accordingly if this section name is changed, or if this pragma is
 395    removed.  Also, obviously, all files that define initialized data
 396    must include config.h to pick up this pragma.  */
 397
 398 /* Names must be < 8 bytes.  */
 399 #ifdef _MSC_VER
 400 #pragma data_seg("EMDATA")
 401 #pragma bss_seg("EMBSS")
 402 #endif
 403
 404 /* #define FULL_DEBUG */
 405 /* #define EMACSDEBUG */
 406
 407 #ifdef EMACSDEBUG
 408 extern void _DebPrint (const char *fmt, ...);
 409 #define DebPrint(stuff) _DebPrint stuff
 410 #else
 411 #define DebPrint(stuff)
 412 #endif
 413
 414
 415 /* ============================================================ */