code.delx.au - gnu-emacs/blob - 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 #undef  HAVE_GETDOMAINNAME
 126 #define HAVE_DUP2 1
 127 #define HAVE_RENAME 1
 128 #define HAVE_CLOSEDIR 1
 129 #define HAVE_FSYNC 1            /* fsync is called _commit in MSVC.  */
 130
 131 #undef  TM_IN_SYS_TIME
 132 #undef  HAVE_TM_ZONE
 133
 134 #define HAVE_LONG_FILE_NAMES 1
 135
 136 #define HAVE_MKDIR 1
 137 #define HAVE_RMDIR 1
 138 #define HAVE_RANDOM 1
 139 #undef  HAVE_SYSINFO
 140 #undef  HAVE_LRAND48
 141 #define HAVE_MEMCMP 1
 142 #define HAVE_MEMCPY 1
 143 #define HAVE_MEMMOVE 1
 144 #define HAVE_MEMSET 1
 145 #define HAVE_LOGB 1
 146 #define HAVE_FREXP 1
 147 #define HAVE_FMOD 1
 148 #undef  HAVE_RINT
 149 #undef  HAVE_CBRT
 150 #define HAVE_FTIME 1
 151 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 152 #undef  HAVE_SETSID
 153 #undef  HAVE_FPATHCONF
 154 #define HAVE_SELECT 1
 155 #undef  HAVE_EUIDACCESS
 156 #define HAVE_GETPAGESIZE 1
 157 #define HAVE_TZSET 1
 158 #define HAVE_SETLOCALE 1
 159 #undef  HAVE_UTIMES
 160 #undef  HAVE_SETRLIMIT
 161 #undef  HAVE_SETPGID
 162 /* If you think about defining HAVE_GETCWD, don't: the alternative
 163    getwd is redefined on w32.c, and does not really return the current
 164    directory, to get the desired results elsewhere in Emacs */
 165 #undef  HAVE_GETCWD
 166 #define HAVE_SHUTDOWN 1
 167
 168 #define LOCALTIME_CACHE
 169 #define HAVE_INET_SOCKETS 1
 170
 171 #undef  HAVE_AIX_SMT_EXP
 172 #define USE_TOOLKIT_SCROLL_BARS 1
 173
 174 /* Define if you have the ANSI `strerror' function.
 175    Otherwise you must have the variable `char *sys_errlist[]'.  */
 176 #define HAVE_STRERROR 1
 177
 178 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 179 #undef  HAVE_STRUCT_UTIMBUF
 180
 181 #define HAVE_MOUSE 1
 182 #define HAVE_H_ERRNO 1
 183
 184 #ifdef HAVE_NTGUI
 185 #define HAVE_WINDOW_SYSTEM 1
 186 #define HAVE_MENUS 1
 187 #endif
 188
 189 /* Get some redefinitions in place.  */
 190
 191 #ifdef emacs
 192
 193 #ifdef _MSC_VER
 194 #include <sys/timeb.h>
 195 #include <sys/stat.h>
 196 #include <signal.h>
 197
 198 /* MSVC gets link-time errors without these redirections.  */
 199 #define fstat(a, b) sys_fstat(a, b)
 200 #define stat(a, b)  sys_stat(a, b)
 201 #define utime       sys_utime
 202 #endif
 203
 204 /* Calls that are emulated or shadowed.  */
 205 #undef access
 206 #define access  sys_access
 207 #undef chdir
 208 #define chdir   sys_chdir
 209 #undef chmod
 210 #define chmod   sys_chmod
 211 #define chown   sys_chown
 212 #undef close
 213 #define close   sys_close
 214 #undef creat
 215 #define creat   sys_creat
 216 #define ctime   sys_ctime
 217 #undef dup
 218 #define dup     sys_dup
 219 #undef dup2
 220 #define dup2    sys_dup2
 221 #define fopen   sys_fopen
 222 #define link    sys_link
 223 #define localtime sys_localtime
 224 #define mkdir   sys_mkdir
 225 #undef mktemp
 226 #define mktemp  sys_mktemp
 227 #undef open
 228 #define open    sys_open
 229 #define pipe    sys_pipe
 230 #undef read
 231 #define read    sys_read
 232 #define rename  sys_rename
 233 #define rmdir   sys_rmdir
 234 #define select  sys_select
 235 #define sleep   sys_sleep
 236 #define strerror sys_strerror
 237 #undef unlink
 238 #define unlink  sys_unlink
 239 #undef write
 240 #define write   sys_write
 241
 242 /* Subprocess calls that are emulated.  */
 243 #define spawnve sys_spawnve
 244 #define wait    sys_wait
 245 #define kill    sys_kill
 246 #define signal  sys_signal
 247
 248 /* termcap.c calls that are emulated.  */
 249 #define tputs   sys_tputs
 250 #define tgetstr sys_tgetstr
 251
 252 /* cm.c calls that are emulated.  */
 253 #define chcheckmagic sys_chcheckmagic
 254 #define cmcostinit   sys_cmcostinit
 255 #define cmgoto       sys_cmgoto
 256 #define cmputc       sys_cmputc
 257 #define Wcm_clear    sys_Wcm_clear
 258
 259 #endif /* emacs */
 260
 261 /* Map to MSVC names.  */
 262 #define execlp    _execlp
 263 #define execvp    _execvp
 264 #define fdopen    _fdopen
 265 #ifndef fileno
 266 #define fileno    _fileno
 267 #endif
 268 #define fsync     _commit
 269 #define ftruncate _chsize
 270 #define getpid    _getpid
 271 #ifdef _MSC_VER
 272 typedef int pid_t;
 273 #define snprintf  _snprintf
 274 #define strtoll   _strtoi64
 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 #ifndef _MSC_VER
 284 #define utimbuf   _utimbuf
 285 #endif
 286 #define strdup    _strdup
 287 #define strupr    _strupr
 288 #define strnicmp  _strnicmp
 289 #define stricmp   _stricmp
 290 #define tzset     _tzset
 291
 292 /* Include time.h before redirecting tzname, since MSVC's time.h
 293    defines _tzname to call a function, but also declares tzname a
 294    2-element array.  Having the redirection before including the
 295    header thus has the effect of declaring a function that returns an
 296    array, and triggers an error message.  */
 297 #include <time.h>
 298 #define tzname    _tzname
 299 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 300 #undef  utime
 301 #define utime     _utime
 302 #endif
 303
 304 /* This is hacky, but is necessary to avoid warnings about macro
 305    redefinitions using the SDK compilers.  */
 306 #ifndef __STDC__
 307 #define __STDC__ 1
 308 #define MUST_UNDEF__STDC__
 309 #endif
 310 #include <direct.h>
 311 #include <io.h>
 312 #include <stdio.h>
 313 #ifdef MUST_UNDEF__STDC__
 314 #undef __STDC__
 315 #undef MUST_UNDEF__STDC__
 316 #endif
 317
 318 /* Defines that we need that aren't in the standard signal.h.  */
 319 #define SIGHUP  1               /* Hang up */
 320 #define SIGQUIT 3               /* Quit process */
 321 #define SIGTRAP 5               /* Trace trap */
 322 #define SIGKILL 9               /* Die, die die */
 323 #define SIGPIPE 13              /* Write on pipe with no readers */
 324 #define SIGALRM 14              /* Alarm */
 325 #define SIGCHLD 18              /* Death of child */
 326
 327 #ifndef NSIG
 328 #define NSIG 23
 329 #endif
 330
 331 /* For integration with MSDOS support.  */
 332 #define getdisk()               (_getdrive () - 1)
 333 #ifdef emacs
 334 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 335 #else
 336 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 337 #endif
 338
 339 extern char *get_emacs_configuration (void);
 340 extern char *get_emacs_configuration_options (void);
 341 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 342 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 343
 344 /* Define this so that winsock.h definitions don't get included with
 345    windows.h.  For this to have proper effect, config.h must always be
 346    included before windows.h.  */
 347 #define _WINSOCKAPI_    1
 348 #define _WINSOCK_H
 349
 350 /* Defines size_t and alloca ().  */
 351 #ifdef emacs
 352 #define malloc e_malloc
 353 #define free   e_free
 354 #define realloc e_realloc
 355 #define calloc e_calloc
 356 #endif
 357 #ifdef _MSC_VER
 358 #define alloca _alloca
 359 #else
 360 #include <malloc.h>
 361 #endif
 362
 363 #include <sys/stat.h>
 364
 365 /* Define for those source files that do not include enough NT system files.  */
 366 #ifndef NULL
 367 #ifdef __cplusplus
 368 #define NULL    0
 369 #else
 370 #define NULL    ((void *)0)
 371 #endif
 372 #endif
 373
 374 /* For proper declaration of environ.  */
 375 #include <stdlib.h>
 376 #ifndef sys_nerr
 377 #define sys_nerr _sys_nerr
 378 #endif
 379 #include <string.h>
 380
 381 extern int getloadavg (double *, int);
 382
 383 /* We need a little extra space, see ../../lisp/loadup.el.  */
 384 #define SYSTEM_PURESIZE_EXTRA 50000
 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 /* ============================================================ */