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 #undef  HAVE_GETCWD
 163 #define HAVE_SHUTDOWN 1
 164
 165 #define LOCALTIME_CACHE
 166 #define HAVE_INET_SOCKETS 1
 167
 168 #undef  HAVE_AIX_SMT_EXP
 169 #define USE_TOOLKIT_SCROLL_BARS 1
 170
 171 /* Define if you have the ANSI `strerror' function.
 172    Otherwise you must have the variable `char *sys_errlist[]'.  */
 173 #define HAVE_STRERROR 1
 174
 175 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 176 #undef  HAVE_STRUCT_UTIMBUF
 177
 178 #define HAVE_MOUSE 1
 179 #define HAVE_H_ERRNO 1
 180
 181 #ifdef HAVE_NTGUI
 182 #define HAVE_WINDOW_SYSTEM 1
 183 #define HAVE_MENUS 1
 184 #endif
 185
 186 /* Get some redefinitions in place.  */
 187
 188 #ifdef emacs
 189
 190 #ifdef _MSC_VER
 191 #include <sys/timeb.h>
 192 #include <sys/stat.h>
 193 #include <signal.h>
 194
 195 /* MSVC gets link-time errors without these redirections.  */
 196 #define fstat(a, b) sys_fstat(a, b)
 197 #define stat(a, b)  sys_stat(a, b)
 198 #define utime       sys_utime
 199 #endif
 200
 201 /* Calls that are emulated or shadowed.  */
 202 #undef access
 203 #define access  sys_access
 204 #undef chdir
 205 #define chdir   sys_chdir
 206 #undef chmod
 207 #define chmod   sys_chmod
 208 #define chown   sys_chown
 209 #undef close
 210 #define close   sys_close
 211 #undef creat
 212 #define creat   sys_creat
 213 #define ctime   sys_ctime
 214 #undef dup
 215 #define dup     sys_dup
 216 #undef dup2
 217 #define dup2    sys_dup2
 218 #define fopen   sys_fopen
 219 #define link    sys_link
 220 #define localtime sys_localtime
 221 #define mkdir   sys_mkdir
 222 #undef mktemp
 223 #define mktemp  sys_mktemp
 224 #undef open
 225 #define open    sys_open
 226 #define pipe    sys_pipe
 227 #undef read
 228 #define read    sys_read
 229 #define rename  sys_rename
 230 #define rmdir   sys_rmdir
 231 #define select  sys_select
 232 #define sleep   sys_sleep
 233 #define strerror sys_strerror
 234 #undef unlink
 235 #define unlink  sys_unlink
 236 #undef write
 237 #define write   sys_write
 238
 239 /* Subprocess calls that are emulated.  */
 240 #define spawnve sys_spawnve
 241 #define wait    sys_wait
 242 #define kill    sys_kill
 243 #define signal  sys_signal
 244
 245 /* termcap.c calls that are emulated.  */
 246 #define tputs   sys_tputs
 247 #define tgetstr sys_tgetstr
 248
 249 /* cm.c calls that are emulated.  */
 250 #define chcheckmagic sys_chcheckmagic
 251 #define cmcostinit   sys_cmcostinit
 252 #define cmgoto       sys_cmgoto
 253 #define cmputc       sys_cmputc
 254 #define Wcm_clear    sys_Wcm_clear
 255
 256 #endif /* emacs */
 257
 258 /* Map to MSVC names.  */
 259 #define execlp    _execlp
 260 #define execvp    _execvp
 261 #define fdopen    _fdopen
 262 #ifndef fileno
 263 #define fileno    _fileno
 264 #endif
 265 #define fsync     _commit
 266 #define ftruncate _chsize
 267 #define getpid    _getpid
 268 #ifdef _MSC_VER
 269 typedef int pid_t;
 270 #define snprintf  _snprintf
 271 #define strtoll   _strtoi64
 272 #endif
 273 #define isatty    _isatty
 274 #define logb      _logb
 275 #define _longjmp  longjmp
 276 #define lseek     _lseek
 277 #define popen     _popen
 278 #define pclose    _pclose
 279 #define umask     _umask
 280 #ifndef _MSC_VER
 281 #define utimbuf   _utimbuf
 282 #endif
 283 #define strdup    _strdup
 284 #define strupr    _strupr
 285 #define strnicmp  _strnicmp
 286 #define stricmp   _stricmp
 287 #define tzset     _tzset
 288
 289 /* Include time.h before redirecting tzname, since MSVC's time.h
 290    defines _tzname to call a function, but also declares tzname a
 291    2-element array.  Having the redirection before including the
 292    header thus has the effect of declaring a function that returns an
 293    array, and triggers an error message.  */
 294 #include <time.h>
 295 #define tzname    _tzname
 296 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 297 #undef  utime
 298 #define utime     _utime
 299 #endif
 300
 301 /* This is hacky, but is necessary to avoid warnings about macro
 302    redefinitions using the SDK compilers.  */
 303 #ifndef __STDC__
 304 #define __STDC__ 1
 305 #define MUST_UNDEF__STDC__
 306 #endif
 307 #include <direct.h>
 308 #include <io.h>
 309 #include <stdio.h>
 310 #ifdef MUST_UNDEF__STDC__
 311 #undef __STDC__
 312 #undef MUST_UNDEF__STDC__
 313 #endif
 314
 315 /* Defines that we need that aren't in the standard signal.h.  */
 316 #define SIGHUP  1               /* Hang up */
 317 #define SIGQUIT 3               /* Quit process */
 318 #define SIGTRAP 5               /* Trace trap */
 319 #define SIGKILL 9               /* Die, die die */
 320 #define SIGPIPE 13              /* Write on pipe with no readers */
 321 #define SIGALRM 14              /* Alarm */
 322 #define SIGCHLD 18              /* Death of child */
 323
 324 #ifndef NSIG
 325 #define NSIG 23
 326 #endif
 327
 328 /* For integration with MSDOS support.  */
 329 #define getdisk()               (_getdrive () - 1)
 330 #ifdef emacs
 331 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 332 #else
 333 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 334 #endif
 335
 336 extern char *get_emacs_configuration (void);
 337 extern char *get_emacs_configuration_options (void);
 338 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 339 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 340
 341 /* Define this so that winsock.h definitions don't get included with
 342    windows.h.  For this to have proper effect, config.h must always be
 343    included before windows.h.  */
 344 #define _WINSOCKAPI_    1
 345 #define _WINSOCK_H
 346
 347 /* Defines size_t and alloca ().  */
 348 #ifdef emacs
 349 #define malloc e_malloc
 350 #define free   e_free
 351 #define realloc e_realloc
 352 #define calloc e_calloc
 353 #endif
 354 #ifdef _MSC_VER
 355 #define alloca _alloca
 356 #else
 357 #include <malloc.h>
 358 #endif
 359
 360 #include <sys/stat.h>
 361
 362 /* Define for those source files that do not include enough NT system files.  */
 363 #ifndef NULL
 364 #ifdef __cplusplus
 365 #define NULL    0
 366 #else
 367 #define NULL    ((void *)0)
 368 #endif
 369 #endif
 370
 371 /* For proper declaration of environ.  */
 372 #include <stdlib.h>
 373 #ifndef sys_nerr
 374 #define sys_nerr _sys_nerr
 375 #endif
 376 #include <string.h>
 377
 378 extern int getloadavg (double *, int);
 379
 380 /* We need a little extra space, see ../../lisp/loadup.el.  */
 381 #define SYSTEM_PURESIZE_EXTRA 50000
 382
 383 /* For unexec to work on Alpha systems, we need to put Emacs'
 384    initialized data into a separate section from the CRT initialized
 385    data (because the Alpha linker freely reorders data variables, even
 386    across libraries, so our data and the CRT data get intermingled).
 387
 388    Starting with MSVC 5.0, we must also place the uninitialized data
 389    into its own section.  VC5 intermingles uninitialized data from the CRT
 390    between Emacs' static uninitialized data and its public uninitialized
 391    data.  A separate .bss section for Emacs groups both static and
 392    public uninitialized together.
 393
 394    Note that unexw32.c relies on this fact, and must be modified
 395    accordingly if this section name is changed, or if this pragma is
 396    removed.  Also, obviously, all files that define initialized data
 397    must include config.h to pick up this pragma.  */
 398
 399 /* Names must be < 8 bytes.  */
 400 #ifdef _MSC_VER
 401 #pragma data_seg("EMDATA")
 402 #pragma bss_seg("EMBSS")
 403 #endif
 404
 405 /* #define FULL_DEBUG */
 406 /* #define EMACSDEBUG */
 407
 408 #ifdef EMACSDEBUG
 409 extern void _DebPrint (const char *fmt, ...);
 410 #define DebPrint(stuff) _DebPrint stuff
 411 #else
 412 #define DebPrint(stuff)
 413 #endif
 414
 415
 416 /* ============================================================ */