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