src/s/ms-w32.h

   1 /* System description file for Windows NT.
   2
   3 Copyright (C) 1993, 1994, 1995, 2001, 2002, 2003, 2004, 2005, 2006,
   4                  2007, 2008, 2009, 2010, 2011  Free Software Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software: you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation, either version 3 of the License, or
  11 (at your option) any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 /* Define symbols to identify the version of Unix this is.
  22    Define all the symbols that apply correctly.  */
  23
  24 #ifndef WINDOWSNT
  25 #define WINDOWSNT
  26 #endif
  27 #ifndef DOS_NT
  28 #define DOS_NT  /* MSDOS or WINDOWSNT */
  29 #endif
  30
  31 /* If you are compiling with a non-C calling convention but need to
  32    declare vararg routines differently, put it here.  */
  33 #define _VARARGS_ __cdecl
  34
  35 /* If you are providing a function to something that will call the
  36    function back (like a signal handler and signal, or main) its calling
  37    convention must be whatever standard the libraries expect.  */
  38 #define _CALLBACK_ __cdecl
  39
  40 /* SYSTEM_TYPE should indicate the kind of system you are using.
  41    It sets the Lisp variable system-type.  */
  42 #define SYSTEM_TYPE "windows-nt"
  43
  44 #define NO_MATHERR 1
  45
  46 /* Letter to use in finding device name of first pty,
  47    if system supports pty's.  'a' means it is /dev/ptya0  */
  48 #define FIRST_PTY_LETTER 'a'
  49
  50 /* Define HAVE_TIMEVAL if the system supports the BSD style clock values.
  51    Look in <sys/time.h> for a timeval structure.  */
  52 #define HAVE_TIMEVAL 1
  53
  54 /* NT supports Winsock which is close enough (with some hacks).  */
  55 #define HAVE_SOCKETS 1
  56
  57 /* But our select implementation doesn't allow us to make non-blocking
  58    connects.  So until that is fixed, this is necessary:  */
  59 #define BROKEN_NON_BLOCKING_CONNECT 1
  60
  61 /* And the select implementation does 1-byte read-ahead waiting
  62    for received packets, so datagrams are broken too.  */
  63 #define BROKEN_DATAGRAM_SOCKETS 1
  64
  65 #define MAIL_USE_POP 1
  66 #define MAIL_USE_SYSTEM_LOCK 1
  67
  68 /* If the character used to separate elements of the executable path
  69    is not ':', #define this to be the appropriate character constant.  */
  70 #define SEPCHAR ';'
  71
  72 #define ORDINARY_LINK 1
  73
  74 /* ============================================================ */
  75
  76 /* Here, add any special hacks needed to make Emacs work on this
  77    system.  For example, you might define certain system call names
  78    that don't exist on your system, or that do different things on
  79    your system and must be used only through an encapsulation (which
  80    you should place, by convention, in sysdep.c).  */
  81
  82 /* Define this to be the separator between devices and paths.  */
  83 #define DEVICE_SEP ':'
  84
  85 /* We'll support either convention on NT.  */
  86 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
  87 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
  88
  89 #include <sys/types.h>
  90 struct sigaction {
  91   int sa_flags;
  92   void (*sa_handler)(int);
  93   sigset_t sa_mask;
  94 };
  95 #define SIG_BLOCK       1
  96 #define SIG_SETMASK     2
  97 #define SIG_UNBLOCK     3
  98
  99 /* The null device on Windows NT.  */
 100 #define NULL_DEVICE     "NUL:"
 101
 102 #ifndef MAXPATHLEN
 103 #define MAXPATHLEN      _MAX_PATH
 104 #endif
 105
 106 #define HAVE_SOUND  1
 107 #define LISP_FLOAT_TYPE 1
 108
 109 #define HAVE_SYS_TIMEB_H 1
 110 #define HAVE_SYS_TIME_H 1
 111 #define HAVE_UNISTD_H 1
 112 #undef  HAVE_UTIME_H
 113 #undef  HAVE_LINUX_VERSION_H
 114 #undef  HAVE_SYS_SYSTEMINFO_H
 115 #define HAVE_LIMITS_H 1
 116 #define HAVE_STRING_H 1
 117 #define HAVE_STDLIB_H 1
 118 #define HAVE_PWD_H 1
 119 #define STDC_HEADERS 1
 120 #define TIME_WITH_SYS_TIME 1
 121
 122 #define HAVE_GETTIMEOFDAY 1
 123 #define HAVE_GETHOSTNAME 1
 124 #undef  HAVE_GETDOMAINNAME
 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 #define HAVE_FTIME 1
 150 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 151 #undef  HAVE_SETSID
 152 #undef  HAVE_FPATHCONF
 153 #define HAVE_SELECT 1
 154 #define HAVE_MKTIME 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 #define HAVE_STRFTIME 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 #define MODE_LINE_BINARY_TEXT(_b_) (NILP ((_b_)->buffer_file_type) ? "T" : "B")
 188
 189 /* Get some redefinitions in place.  */
 190
 191 #ifdef emacs
 192
 193 /* Calls that are emulated or shadowed.  */
 194 #undef access
 195 #define access  sys_access
 196 #undef chdir
 197 #define chdir   sys_chdir
 198 #undef chmod
 199 #define chmod   sys_chmod
 200 #define chown   sys_chown
 201 #undef close
 202 #define close   sys_close
 203 #undef creat
 204 #define creat   sys_creat
 205 #define ctime   sys_ctime
 206 #undef dup
 207 #define dup     sys_dup
 208 #undef dup2
 209 #define dup2    sys_dup2
 210 #define fopen   sys_fopen
 211 #define link    sys_link
 212 #define mkdir   sys_mkdir
 213 #undef mktemp
 214 #define mktemp  sys_mktemp
 215 #undef open
 216 #define open    sys_open
 217 #define pipe    sys_pipe
 218 #undef read
 219 #define read    sys_read
 220 #define rename  sys_rename
 221 #define rmdir   sys_rmdir
 222 #define select  sys_select
 223 #define sleep   sys_sleep
 224 #define strerror sys_strerror
 225 #undef unlink
 226 #define unlink  sys_unlink
 227 #undef write
 228 #define write   sys_write
 229
 230 /* Subprocess calls that are emulated.  */
 231 #define spawnve sys_spawnve
 232 #define wait    sys_wait
 233 #define kill    sys_kill
 234 #define signal  sys_signal
 235
 236 /* termcap.c calls that are emulated.  */
 237 #define tputs   sys_tputs
 238 #define tgetstr sys_tgetstr
 239
 240 /* cm.c calls that are emulated.  */
 241 #define chcheckmagic sys_chcheckmagic
 242 #define cmcostinit   sys_cmcostinit
 243 #define cmgoto       sys_cmgoto
 244 #define cmputc       sys_cmputc
 245 #define Wcm_clear    sys_Wcm_clear
 246
 247 #endif /* emacs */
 248
 249 /* Map to MSVC names.  */
 250 #define execlp    _execlp
 251 #define execvp    _execvp
 252 #define fdopen    _fdopen
 253 #ifndef fileno
 254 #define fileno    _fileno
 255 #endif
 256 #define fsync     _commit
 257 #define ftruncate _chsize
 258 #define getpid    _getpid
 259 #ifdef _MSC_VER
 260 typedef int pid_t;
 261 #endif
 262 #define isatty    _isatty
 263 #define logb      _logb
 264 #define _longjmp  longjmp
 265 #define lseek     _lseek
 266 #define popen     _popen
 267 #define pclose    _pclose
 268 #define umask     _umask
 269 #define utimbuf   _utimbuf
 270 #define strdup    _strdup
 271 #define strupr    _strupr
 272 #define strnicmp  _strnicmp
 273 #define stricmp   _stricmp
 274 #define tzset     _tzset
 275
 276 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 277 #define tzname    _tzname
 278 #define utime     _utime
 279 #endif
 280
 281 /* This is hacky, but is necessary to avoid warnings about macro
 282    redefinitions using the SDK compilers.  */
 283 #ifndef __STDC__
 284 #define __STDC__ 1
 285 #define MUST_UNDEF__STDC__
 286 #endif
 287 #include <direct.h>
 288 #include <io.h>
 289 #include <stdio.h>
 290 #ifdef MUST_UNDEF__STDC__
 291 #undef __STDC__
 292 #undef MUST_UNDEF__STDC__
 293 #endif
 294
 295 /* Defines that we need that aren't in the standard signal.h.  */
 296 #define SIGHUP  1               /* Hang up */
 297 #define SIGQUIT 3               /* Quit process */
 298 #define SIGTRAP 5               /* Trace trap */
 299 #define SIGKILL 9               /* Die, die die */
 300 #define SIGPIPE 13              /* Write on pipe with no readers */
 301 #define SIGALRM 14              /* Alarm */
 302 #define SIGCHLD 18              /* Death of child */
 303
 304 #ifndef NSIG
 305 #define NSIG 23
 306 #endif
 307
 308 /* For integration with MSDOS support.  */
 309 #define getdisk()               (_getdrive () - 1)
 310 #ifdef emacs
 311 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 312 #else
 313 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 314 #endif
 315
 316 extern char *get_emacs_configuration (void);
 317 extern char *get_emacs_configuration_options (void);
 318 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 319 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 320
 321 /* Define this so that winsock.h definitions don't get included with
 322    windows.h.  For this to have proper effect, config.h must always be
 323    included before windows.h.  */
 324 #define _WINSOCKAPI_    1
 325 #define _WINSOCK_H
 326
 327 /* Defines size_t and alloca ().  */
 328 #ifdef USE_CRT_DLL
 329 #define malloc e_malloc
 330 #define free   e_free
 331 #define realloc e_realloc
 332 #define calloc e_calloc
 333 #endif
 334 #include <malloc.h>
 335
 336 #include <sys/stat.h>
 337
 338 /* Define for those source files that do not include enough NT system files.  */
 339 #ifndef NULL
 340 #ifdef __cplusplus
 341 #define NULL    0
 342 #else
 343 #define NULL    ((void *)0)
 344 #endif
 345 #endif
 346
 347 /* For proper declaration of environ.  */
 348 #include <stdlib.h>
 349 #ifndef sys_nerr
 350 #define sys_nerr _sys_nerr
 351 #endif
 352 #include <string.h>
 353
 354 /* We need a little extra space, see ../../lisp/loadup.el.  */
 355 #define SYSTEM_PURESIZE_EXTRA 50000
 356
 357 /* For unexec to work on Alpha systems, we need to put Emacs'
 358    initialized data into a separate section from the CRT initialized
 359    data (because the Alpha linker freely reorders data variables, even
 360    across libraries, so our data and the CRT data get intermingled).
 361
 362    Starting with MSVC 5.0, we must also place the uninitialized data
 363    into its own section.  VC5 intermingles uninitialized data from the CRT
 364    between Emacs' static uninitialized data and its public uninitialized
 365    data.  A separate .bss section for Emacs groups both static and
 366    public uninitialized together.
 367
 368    Note that unexw32.c relies on this fact, and must be modified
 369    accordingly if this section name is changed, or if this pragma is
 370    removed.  Also, obviously, all files that define initialized data
 371    must include config.h to pick up this pragma.  */
 372
 373 /* Names must be < 8 bytes.  */
 374 #ifdef _MSC_VER
 375 #pragma data_seg("EMDATA")
 376 #pragma bss_seg("EMBSS")
 377 #endif
 378
 379 /* #define FULL_DEBUG */
 380 /* #define EMACSDEBUG */
 381
 382 #ifdef EMACSDEBUG
 383 extern void _DebPrint (const char *fmt, ...);
 384 #define DebPrint(stuff) _DebPrint stuff
 385 #else
 386 #define DebPrint(stuff)
 387 #endif
 388
 389
 390 /* ============================================================ */
 391