code.delx.au - gnu-emacs/blob - src/s/ms-w32.h

   1 /* System description file for Windows NT.
   2
   3 Copyright (C) 1993-1995, 2001-2011  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 struct sigaction {
  90   int sa_flags;
  91   void (*sa_handler)(int);
  92   sigset_t sa_mask;
  93 };
  94 #define SIG_BLOCK       1
  95 #define SIG_SETMASK     2
  96 #define SIG_UNBLOCK     3
  97
  98 /* The null device on Windows NT.  */
  99 #define NULL_DEVICE     "NUL:"
 100
 101 #ifndef MAXPATHLEN
 102 #define MAXPATHLEN      _MAX_PATH
 103 #endif
 104
 105 #define HAVE_SOUND  1
 106 #define LISP_FLOAT_TYPE 1
 107
 108 #define HAVE_SYS_TIMEB_H 1
 109 #define HAVE_SYS_TIME_H 1
 110 #define HAVE_UNISTD_H 1
 111 #undef  HAVE_UTIME_H
 112 #undef  HAVE_LINUX_VERSION_H
 113 #undef  HAVE_SYS_SYSTEMINFO_H
 114 #define HAVE_LIMITS_H 1
 115 #define HAVE_STRING_H 1
 116 #define HAVE_STDLIB_H 1
 117 #define HAVE_PWD_H 1
 118 #define STDC_HEADERS 1
 119 #define TIME_WITH_SYS_TIME 1
 120
 121 #define HAVE_GETTIMEOFDAY 1
 122 #define HAVE_GETHOSTNAME 1
 123 #undef  HAVE_GETDOMAINNAME
 124 #define HAVE_DUP2 1
 125 #define HAVE_RENAME 1
 126 #define HAVE_CLOSEDIR 1
 127 #define HAVE_FSYNC 1            /* fsync is called _commit in MSVC.  */
 128
 129 #undef  TM_IN_SYS_TIME
 130 #undef  HAVE_TM_ZONE
 131
 132 #define HAVE_LONG_FILE_NAMES 1
 133
 134 #define HAVE_MKDIR 1
 135 #define HAVE_RMDIR 1
 136 #define HAVE_RANDOM 1
 137 #undef  HAVE_SYSINFO
 138 #undef  HAVE_LRAND48
 139 #define HAVE_MEMCMP 1
 140 #define HAVE_MEMCPY 1
 141 #define HAVE_MEMMOVE 1
 142 #define HAVE_MEMSET 1
 143 #define HAVE_LOGB 1
 144 #define HAVE_FREXP 1
 145 #define HAVE_FMOD 1
 146 #undef  HAVE_RINT
 147 #undef  HAVE_CBRT
 148 #define HAVE_FTIME 1
 149 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 150 #undef  HAVE_SETSID
 151 #undef  HAVE_FPATHCONF
 152 #define HAVE_SELECT 1
 153 #define HAVE_MKTIME 1
 154 #undef  HAVE_EUIDACCESS
 155 #define HAVE_GETPAGESIZE 1
 156 #define HAVE_TZSET 1
 157 #define HAVE_SETLOCALE 1
 158 #undef  HAVE_UTIMES
 159 #undef  HAVE_SETRLIMIT
 160 #undef  HAVE_SETPGID
 161 #undef  HAVE_GETCWD
 162 #define HAVE_SHUTDOWN 1
 163 #define HAVE_STRFTIME 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 #define MODE_LINE_BINARY_TEXT(_b_) (NILP ((_b_)->buffer_file_type) ? "T" : "B")
 187
 188 /* Get some redefinitions in place.  */
 189
 190 #ifdef emacs
 191
 192 /* Calls that are emulated or shadowed.  */
 193 #undef access
 194 #define access  sys_access
 195 #undef chdir
 196 #define chdir   sys_chdir
 197 #undef chmod
 198 #define chmod   sys_chmod
 199 #define chown   sys_chown
 200 #undef close
 201 #define close   sys_close
 202 #undef creat
 203 #define creat   sys_creat
 204 #define ctime   sys_ctime
 205 #undef dup
 206 #define dup     sys_dup
 207 #undef dup2
 208 #define dup2    sys_dup2
 209 #define fopen   sys_fopen
 210 #define link    sys_link
 211 #define mkdir   sys_mkdir
 212 #undef mktemp
 213 #define mktemp  sys_mktemp
 214 #undef open
 215 #define open    sys_open
 216 #define pipe    sys_pipe
 217 #undef read
 218 #define read    sys_read
 219 #define rename  sys_rename
 220 #define rmdir   sys_rmdir
 221 #define select  sys_select
 222 #define sleep   sys_sleep
 223 #define strerror sys_strerror
 224 #undef unlink
 225 #define unlink  sys_unlink
 226 #undef write
 227 #define write   sys_write
 228
 229 /* Subprocess calls that are emulated.  */
 230 #define spawnve sys_spawnve
 231 #define wait    sys_wait
 232 #define kill    sys_kill
 233 #define signal  sys_signal
 234
 235 /* termcap.c calls that are emulated.  */
 236 #define tputs   sys_tputs
 237 #define tgetstr sys_tgetstr
 238
 239 /* cm.c calls that are emulated.  */
 240 #define chcheckmagic sys_chcheckmagic
 241 #define cmcostinit   sys_cmcostinit
 242 #define cmgoto       sys_cmgoto
 243 #define cmputc       sys_cmputc
 244 #define Wcm_clear    sys_Wcm_clear
 245
 246 #endif /* emacs */
 247
 248 /* Map to MSVC names.  */
 249 #define execlp    _execlp
 250 #define execvp    _execvp
 251 #define fdopen    _fdopen
 252 #ifndef fileno
 253 #define fileno    _fileno
 254 #endif
 255 #define fsync     _commit
 256 #define ftruncate _chsize
 257 #define getpid    _getpid
 258 #ifdef _MSC_VER
 259 typedef int pid_t;
 260 #endif
 261 #define isatty    _isatty
 262 #define logb      _logb
 263 #define _longjmp  longjmp
 264 #define lseek     _lseek
 265 #define popen     _popen
 266 #define pclose    _pclose
 267 #define umask     _umask
 268 #define utimbuf   _utimbuf
 269 #define strdup    _strdup
 270 #define strupr    _strupr
 271 #define strnicmp  _strnicmp
 272 #define stricmp   _stricmp
 273 #define tzset     _tzset
 274
 275 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 276 #define tzname    _tzname
 277 #define utime     _utime
 278 #endif
 279
 280 /* This is hacky, but is necessary to avoid warnings about macro
 281    redefinitions using the SDK compilers.  */
 282 #ifndef __STDC__
 283 #define __STDC__ 1
 284 #define MUST_UNDEF__STDC__
 285 #endif
 286 #include <direct.h>
 287 #include <io.h>
 288 #include <stdio.h>
 289 #ifdef MUST_UNDEF__STDC__
 290 #undef __STDC__
 291 #undef MUST_UNDEF__STDC__
 292 #endif
 293
 294 /* Defines that we need that aren't in the standard signal.h.  */
 295 #define SIGHUP  1               /* Hang up */
 296 #define SIGQUIT 3               /* Quit process */
 297 #define SIGTRAP 5               /* Trace trap */
 298 #define SIGKILL 9               /* Die, die die */
 299 #define SIGPIPE 13              /* Write on pipe with no readers */
 300 #define SIGALRM 14              /* Alarm */
 301 #define SIGCHLD 18              /* Death of child */
 302
 303 #ifndef NSIG
 304 #define NSIG 23
 305 #endif
 306
 307 /* For integration with MSDOS support.  */
 308 #define getdisk()               (_getdrive () - 1)
 309 #ifdef emacs
 310 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 311 #else
 312 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 313 #endif
 314
 315 extern char *get_emacs_configuration (void);
 316 extern char *get_emacs_configuration_options (void);
 317 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 318 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 319
 320 /* Define this so that winsock.h definitions don't get included with
 321    windows.h.  For this to have proper effect, config.h must always be
 322    included before windows.h.  */
 323 #define _WINSOCKAPI_    1
 324 #define _WINSOCK_H
 325
 326 /* Defines size_t and alloca ().  */
 327 #ifdef USE_CRT_DLL
 328 #define malloc e_malloc
 329 #define free   e_free
 330 #define realloc e_realloc
 331 #define calloc e_calloc
 332 #endif
 333 #include <malloc.h>
 334
 335 #include <sys/stat.h>
 336
 337 /* Define for those source files that do not include enough NT system files.  */
 338 #ifndef NULL
 339 #ifdef __cplusplus
 340 #define NULL    0
 341 #else
 342 #define NULL    ((void *)0)
 343 #endif
 344 #endif
 345
 346 /* For proper declaration of environ.  */
 347 #include <stdlib.h>
 348 #ifndef sys_nerr
 349 #define sys_nerr _sys_nerr
 350 #endif
 351 #include <string.h>
 352
 353 /* We need a little extra space, see ../../lisp/loadup.el.  */
 354 #define SYSTEM_PURESIZE_EXTRA 50000
 355
 356 /* For unexec to work on Alpha systems, we need to put Emacs'
 357    initialized data into a separate section from the CRT initialized
 358    data (because the Alpha linker freely reorders data variables, even
 359    across libraries, so our data and the CRT data get intermingled).
 360
 361    Starting with MSVC 5.0, we must also place the uninitialized data
 362    into its own section.  VC5 intermingles uninitialized data from the CRT
 363    between Emacs' static uninitialized data and its public uninitialized
 364    data.  A separate .bss section for Emacs groups both static and
 365    public uninitialized together.
 366
 367    Note that unexw32.c relies on this fact, and must be modified
 368    accordingly if this section name is changed, or if this pragma is
 369    removed.  Also, obviously, all files that define initialized data
 370    must include config.h to pick up this pragma.  */
 371
 372 /* Names must be < 8 bytes.  */
 373 #ifdef _MSC_VER
 374 #pragma data_seg("EMDATA")
 375 #pragma bss_seg("EMBSS")
 376 #endif
 377
 378 /* #define FULL_DEBUG */
 379 /* #define EMACSDEBUG */
 380
 381 #ifdef EMACSDEBUG
 382 extern void _DebPrint (const char *fmt, ...);
 383 #define DebPrint(stuff) _DebPrint stuff
 384 #else
 385 #define DebPrint(stuff)
 386 #endif
 387
 388
 389 /* ============================================================ */
 390