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  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 #undef  HAVE_TERMIOS_H
 116 #define HAVE_LIMITS_H 1
 117 #define HAVE_STRING_H 1
 118 #define HAVE_STDLIB_H 1
 119 #define HAVE_PWD_H 1
 120 #define STDC_HEADERS 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 #define HAVE_MKTIME 1
 156 #undef  HAVE_EUIDACCESS
 157 #define HAVE_GETPAGESIZE 1
 158 #define HAVE_TZSET 1
 159 #define HAVE_SETLOCALE 1
 160 #undef  HAVE_UTIMES
 161 #undef  HAVE_SETRLIMIT
 162 #undef  HAVE_SETPGID
 163 #undef  HAVE_GETCWD
 164 #define HAVE_SHUTDOWN 1
 165 #define HAVE_STRFTIME 1
 166
 167 #define LOCALTIME_CACHE
 168 #define HAVE_INET_SOCKETS 1
 169
 170 #undef  HAVE_AIX_SMT_EXP
 171 #define USE_TOOLKIT_SCROLL_BARS 1
 172
 173 /* Define if you have the ANSI `strerror' function.
 174    Otherwise you must have the variable `char *sys_errlist[]'.  */
 175 #define HAVE_STRERROR 1
 176
 177 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 178 #undef  HAVE_STRUCT_UTIMBUF
 179
 180 #define HAVE_MOUSE 1
 181 #define HAVE_H_ERRNO 1
 182
 183 #ifdef HAVE_NTGUI
 184 #define HAVE_WINDOW_SYSTEM 1
 185 #define HAVE_MENUS 1
 186 #endif
 187
 188 #define MODE_LINE_BINARY_TEXT(_b_) (NILP ((_b_)->buffer_file_type) ? "T" : "B")
 189
 190 /* Get some redefinitions in place.  */
 191
 192 #ifdef emacs
 193
 194 /* Calls that are emulated or shadowed.  */
 195 #undef access
 196 #define access  sys_access
 197 #undef chdir
 198 #define chdir   sys_chdir
 199 #undef chmod
 200 #define chmod   sys_chmod
 201 #define chown   sys_chown
 202 #undef close
 203 #define close   sys_close
 204 #undef creat
 205 #define creat   sys_creat
 206 #define ctime   sys_ctime
 207 #undef dup
 208 #define dup     sys_dup
 209 #undef dup2
 210 #define dup2    sys_dup2
 211 #define fopen   sys_fopen
 212 #define link    sys_link
 213 #define mkdir   sys_mkdir
 214 #undef mktemp
 215 #define mktemp  sys_mktemp
 216 #undef open
 217 #define open    sys_open
 218 #define pipe    sys_pipe
 219 #undef read
 220 #define read    sys_read
 221 #define rename  sys_rename
 222 #define rmdir   sys_rmdir
 223 #define select  sys_select
 224 #define sleep   sys_sleep
 225 #define strerror sys_strerror
 226 #undef unlink
 227 #define unlink  sys_unlink
 228 #undef write
 229 #define write   sys_write
 230
 231 /* Subprocess calls that are emulated.  */
 232 #define spawnve sys_spawnve
 233 #define wait    sys_wait
 234 #define kill    sys_kill
 235 #define signal  sys_signal
 236
 237 /* termcap.c calls that are emulated.  */
 238 #define tputs   sys_tputs
 239 #define tgetstr sys_tgetstr
 240
 241 /* cm.c calls that are emulated.  */
 242 #define chcheckmagic sys_chcheckmagic
 243 #define cmcostinit   sys_cmcostinit
 244 #define cmgoto       sys_cmgoto
 245 #define cmputc       sys_cmputc
 246 #define Wcm_clear    sys_Wcm_clear
 247
 248 #endif /* emacs */
 249
 250 /* Map to MSVC names.  */
 251 #define execlp    _execlp
 252 #define execvp    _execvp
 253 #define fdopen    _fdopen
 254 #ifndef fileno
 255 #define fileno    _fileno
 256 #endif
 257 #define fsync     _commit
 258 #define ftruncate _chsize
 259 #define getpid    _getpid
 260 #ifdef _MSC_VER
 261 typedef int pid_t;
 262 #endif
 263 #define isatty    _isatty
 264 #define logb      _logb
 265 #define _longjmp  longjmp
 266 #define lseek     _lseek
 267 #define popen     _popen
 268 #define pclose    _pclose
 269 #define umask     _umask
 270 #define utimbuf   _utimbuf
 271 #define strdup    _strdup
 272 #define strupr    _strupr
 273 #define strnicmp  _strnicmp
 274 #define stricmp   _stricmp
 275 #define tzset     _tzset
 276
 277 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 278 #define tzname    _tzname
 279 #define utime     _utime
 280 #endif
 281
 282 /* This is hacky, but is necessary to avoid warnings about macro
 283    redefinitions using the SDK compilers.  */
 284 #ifndef __STDC__
 285 #define __STDC__ 1
 286 #define MUST_UNDEF__STDC__
 287 #endif
 288 #include <direct.h>
 289 #include <io.h>
 290 #include <stdio.h>
 291 #ifdef MUST_UNDEF__STDC__
 292 #undef __STDC__
 293 #undef MUST_UNDEF__STDC__
 294 #endif
 295
 296 /* Defines that we need that aren't in the standard signal.h.  */
 297 #define SIGHUP  1               /* Hang up */
 298 #define SIGQUIT 3               /* Quit process */
 299 #define SIGTRAP 5               /* Trace trap */
 300 #define SIGKILL 9               /* Die, die die */
 301 #define SIGPIPE 13              /* Write on pipe with no readers */
 302 #define SIGALRM 14              /* Alarm */
 303 #define SIGCHLD 18              /* Death of child */
 304
 305 #ifndef NSIG
 306 #define NSIG 23
 307 #endif
 308
 309 /* For integration with MSDOS support.  */
 310 #define getdisk()               (_getdrive () - 1)
 311 #ifdef emacs
 312 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 313 #else
 314 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 315 #endif
 316
 317 extern char *get_emacs_configuration (void);
 318 extern char *get_emacs_configuration_options (void);
 319 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 320 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 321
 322 /* Define this so that winsock.h definitions don't get included with
 323    windows.h.  For this to have proper effect, config.h must always be
 324    included before windows.h.  */
 325 #define _WINSOCKAPI_    1
 326 #define _WINSOCK_H
 327
 328 /* Defines size_t and alloca ().  */
 329 #ifdef USE_CRT_DLL
 330 #define malloc e_malloc
 331 #define free   e_free
 332 #define realloc e_realloc
 333 #define calloc e_calloc
 334 #endif
 335 #include <malloc.h>
 336
 337 #include <sys/stat.h>
 338
 339 /* Define for those source files that do not include enough NT system files.  */
 340 #ifndef NULL
 341 #ifdef __cplusplus
 342 #define NULL    0
 343 #else
 344 #define NULL    ((void *)0)
 345 #endif
 346 #endif
 347
 348 /* For proper declaration of environ.  */
 349 #include <stdlib.h>
 350 #ifndef sys_nerr
 351 #define sys_nerr _sys_nerr
 352 #endif
 353 #include <string.h>
 354
 355 /* We need a little extra space, see ../../lisp/loadup.el.  */
 356 #define SYSTEM_PURESIZE_EXTRA 50000
 357
 358 /* For unexec to work on Alpha systems, we need to put Emacs'
 359    initialized data into a separate section from the CRT initialized
 360    data (because the Alpha linker freely reorders data variables, even
 361    across libraries, so our data and the CRT data get intermingled).
 362
 363    Starting with MSVC 5.0, we must also place the uninitialized data
 364    into its own section.  VC5 intermingles uninitialized data from the CRT
 365    between Emacs' static uninitialized data and its public uninitialized
 366    data.  A separate .bss section for Emacs groups both static and
 367    public uninitialized together.
 368
 369    Note that unexw32.c relies on this fact, and must be modified
 370    accordingly if this section name is changed, or if this pragma is
 371    removed.  Also, obviously, all files that define initialized data
 372    must include config.h to pick up this pragma.  */
 373
 374 /* Names must be < 8 bytes.  */
 375 #ifdef _MSC_VER
 376 #pragma data_seg("EMDATA")
 377 #pragma bss_seg("EMBSS")
 378 #endif
 379
 380 /* #define FULL_DEBUG */
 381 /* #define EMACSDEBUG */
 382
 383 #ifdef EMACSDEBUG
 384 extern void _DebPrint (const char *fmt, ...);
 385 #define DebPrint(stuff) _DebPrint stuff
 386 #else
 387 #define DebPrint(stuff)
 388 #endif
 389
 390
 391 /* ============================================================ */
 392
 393 /* arch-tag: 5d4a3a1c-40dc-4dea-9c7c-38fed9ae0eae
 394    (do not change this comment) */