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 #define NO_MATHERR 1
  40
  41 /* Letter to use in finding device name of first pty,
  42    if system supports pty's.  'a' means it is /dev/ptya0  */
  43 #define FIRST_PTY_LETTER 'a'
  44
  45 /* Define HAVE_TIMEVAL if the system supports the BSD style clock values.
  46    Look in <sys/time.h> for a timeval structure.  */
  47 #define HAVE_TIMEVAL 1
  48
  49 /* NT supports Winsock which is close enough (with some hacks).  */
  50 #define HAVE_SOCKETS 1
  51
  52 /* But our select implementation doesn't allow us to make non-blocking
  53    connects.  So until that is fixed, this is necessary:  */
  54 #define BROKEN_NON_BLOCKING_CONNECT 1
  55
  56 /* And the select implementation does 1-byte read-ahead waiting
  57    for received packets, so datagrams are broken too.  */
  58 #define BROKEN_DATAGRAM_SOCKETS 1
  59
  60 #define MAIL_USE_POP 1
  61 #define MAIL_USE_SYSTEM_LOCK 1
  62
  63 /* If the character used to separate elements of the executable path
  64    is not ':', #define this to be the appropriate character constant.  */
  65 #define SEPCHAR ';'
  66
  67 #define ORDINARY_LINK 1
  68
  69 /* ============================================================ */
  70
  71 /* Here, add any special hacks needed to make Emacs work on this
  72    system.  For example, you might define certain system call names
  73    that don't exist on your system, or that do different things on
  74    your system and must be used only through an encapsulation (which
  75    you should place, by convention, in sysdep.c).  */
  76
  77 /* Define this to be the separator between devices and paths.  */
  78 #define DEVICE_SEP ':'
  79
  80 /* We'll support either convention on NT.  */
  81 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
  82 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
  83
  84 #include <sys/types.h>
  85
  86 #ifdef _MSC_VER
  87 typedef unsigned long sigset_t;
  88 typedef int ssize_t;
  89 #endif
  90
  91 struct sigaction {
  92   int sa_flags;
  93   void (*sa_handler)(int);
  94   sigset_t sa_mask;
  95 };
  96 #define SIG_BLOCK       1
  97 #define SIG_SETMASK     2
  98 #define SIG_UNBLOCK     3
  99
 100 /* The null device on Windows NT.  */
 101 #define NULL_DEVICE     "NUL:"
 102
 103 #ifndef MAXPATHLEN
 104 #define MAXPATHLEN      _MAX_PATH
 105 #endif
 106
 107 #define HAVE_SOUND  1
 108 #define LISP_FLOAT_TYPE 1
 109
 110 #define HAVE_SYS_TIMEB_H 1
 111 #define HAVE_SYS_TIME_H 1
 112 #define HAVE_UNISTD_H 1
 113 #undef  HAVE_UTIME_H
 114 #undef  HAVE_LINUX_VERSION_H
 115 #undef  HAVE_SYS_SYSTEMINFO_H
 116 #define HAVE_PWD_H 1
 117 #define TIME_WITH_SYS_TIME 1
 118
 119 #define HAVE_GETTIMEOFDAY 1
 120 #define HAVE_GETHOSTNAME 1
 121 #define HAVE_DUP2 1
 122 #define HAVE_RENAME 1
 123 #define HAVE_CLOSEDIR 1
 124 #define HAVE_FSYNC 1            /* fsync is called _commit in MSVC.  */
 125
 126 #undef  TM_IN_SYS_TIME
 127 #undef  HAVE_TM_ZONE
 128
 129 #define HAVE_LONG_FILE_NAMES 1
 130
 131 #define HAVE_MKDIR 1
 132 #define HAVE_RMDIR 1
 133 #define HAVE_RANDOM 1
 134 #undef  HAVE_SYSINFO
 135 #undef  HAVE_LRAND48
 136 #define HAVE_MEMCMP 1
 137 #define HAVE_MEMCPY 1
 138 #define HAVE_MEMMOVE 1
 139 #define HAVE_MEMSET 1
 140 #define HAVE_LOGB 1
 141 #define HAVE_FREXP 1
 142 #define HAVE_FMOD 1
 143 #undef  HAVE_RINT
 144 #undef  HAVE_CBRT
 145 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 146 #undef  HAVE_SETSID
 147 #undef  HAVE_FPATHCONF
 148 #define HAVE_SELECT 1
 149 #undef  HAVE_EUIDACCESS
 150 #define HAVE_GETPAGESIZE 1
 151 #define HAVE_TZSET 1
 152 #define HAVE_SETLOCALE 1
 153 #undef  HAVE_UTIMES
 154 #undef  HAVE_SETRLIMIT
 155 #undef  HAVE_SETPGID
 156 /* If you think about defining HAVE_GETCWD, don't: the alternative
 157    getwd is redefined on w32.c, and does not really return the current
 158    directory, to get the desired results elsewhere in Emacs */
 159 #undef  HAVE_GETCWD
 160 #define HAVE_SHUTDOWN 1
 161
 162 #define LOCALTIME_CACHE
 163 #define HAVE_INET_SOCKETS 1
 164
 165 #undef  HAVE_AIX_SMT_EXP
 166 #define USE_TOOLKIT_SCROLL_BARS 1
 167
 168 /* MinGW has these in its library; MSVC doesn't.  */
 169 #ifdef _MSC_VER
 170 #define strcasecmp(s1,s2)  _stricmp(s1,s2)
 171 #define strncasecmp(s1,s2) _strnicmp(s1,s2)
 172 #endif
 173 #define HAVE_STRCASECMP 1
 174 #define HAVE_STRNCASECMP 1
 175
 176 /* Define if you have the ANSI `strerror' function.
 177    Otherwise you must have the variable `char *sys_errlist[]'.  */
 178 #define HAVE_STRERROR 1
 179
 180 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 181 #undef  HAVE_STRUCT_UTIMBUF
 182
 183 #define HAVE_MOUSE 1
 184 #define HAVE_H_ERRNO 1
 185
 186 #ifdef HAVE_NTGUI
 187 #define HAVE_WINDOW_SYSTEM 1
 188 #define HAVE_MENUS 1
 189 #endif
 190
 191 /* Get some redefinitions in place.  */
 192
 193 #ifdef emacs
 194
 195 #ifdef _MSC_VER
 196 #include <sys/timeb.h>
 197 #include <sys/stat.h>
 198 #include <signal.h>
 199
 200 /* MSVC gets link-time errors without these redirections.  */
 201 #define fstat(a, b) sys_fstat(a, b)
 202 #define stat(a, b)  sys_stat(a, b)
 203 #define utime       sys_utime
 204 #endif
 205
 206 /* Calls that are emulated or shadowed.  */
 207 #undef access
 208 #define access  sys_access
 209 #undef chdir
 210 #define chdir   sys_chdir
 211 #undef chmod
 212 #define chmod   sys_chmod
 213 #define chown   sys_chown
 214 #undef close
 215 #define close   sys_close
 216 #undef creat
 217 #define creat   sys_creat
 218 #define ctime   sys_ctime
 219 #undef dup
 220 #define dup     sys_dup
 221 #undef dup2
 222 #define dup2    sys_dup2
 223 #define fopen   sys_fopen
 224 #define link    sys_link
 225 #define localtime sys_localtime
 226 #define mkdir   sys_mkdir
 227 #undef mktemp
 228 #define mktemp  sys_mktemp
 229 #undef open
 230 #define open    sys_open
 231 #define pipe    sys_pipe
 232 #undef read
 233 #define read    sys_read
 234 #define rename  sys_rename
 235 #define rmdir   sys_rmdir
 236 #define sleep   sys_sleep
 237 #define strerror sys_strerror
 238 #undef unlink
 239 #define unlink  sys_unlink
 240 #undef write
 241 #define write   sys_write
 242
 243 /* Subprocess calls that are emulated.  */
 244 #define spawnve sys_spawnve
 245 #define wait    sys_wait
 246 #define kill    sys_kill
 247 #define signal  sys_signal
 248
 249 /* termcap.c calls that are emulated.  */
 250 #define tputs   sys_tputs
 251 #define tgetstr sys_tgetstr
 252
 253 /* cm.c calls that are emulated.  */
 254 #define chcheckmagic sys_chcheckmagic
 255 #define cmcostinit   sys_cmcostinit
 256 #define cmgoto       sys_cmgoto
 257 #define cmputc       sys_cmputc
 258 #define Wcm_clear    sys_Wcm_clear
 259
 260 #endif /* emacs */
 261
 262 /* Map to MSVC names.  */
 263 #define execlp    _execlp
 264 #define execvp    _execvp
 265 #define fdopen    _fdopen
 266 #ifndef fileno
 267 #define fileno    _fileno
 268 #endif
 269 #define fsync     _commit
 270 #define ftruncate _chsize
 271 #define getpid    _getpid
 272 #ifdef _MSC_VER
 273 typedef int pid_t;
 274 #define snprintf  _snprintf
 275 #define strtoll   _strtoi64
 276 #endif
 277 #define isatty    _isatty
 278 #define logb      _logb
 279 #define _longjmp  longjmp
 280 #define lseek     _lseek
 281 #define popen     _popen
 282 #define pclose    _pclose
 283 #define umask     _umask
 284 #ifndef _MSC_VER
 285 #define utimbuf   _utimbuf
 286 #endif
 287 #define strdup    _strdup
 288 #define strupr    _strupr
 289 #define strnicmp  _strnicmp
 290 #define stricmp   _stricmp
 291 #define tzset     _tzset
 292
 293 /* Include time.h before redirecting tzname, since MSVC's time.h
 294    defines _tzname to call a function, but also declares tzname a
 295    2-element array.  Having the redirection before including the
 296    header thus has the effect of declaring a function that returns an
 297    array, and triggers an error message.  */
 298 #include <time.h>
 299 #define tzname    _tzname
 300 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 301 #undef  utime
 302 #define utime     _utime
 303 #endif
 304
 305 /* 'struct timespec' is used by time-related functions in lib/ and
 306    elsewhere, but we don't use lib/time.h where the structure is
 307    defined.  */
 308 struct timespec
 309 {
 310   time_t        tv_sec;         /* seconds */
 311   long int      tv_nsec;        /* nanoseconds */
 312 };
 313
 314 /* This is hacky, but is necessary to avoid warnings about macro
 315    redefinitions using the SDK compilers.  */
 316 #ifndef __STDC__
 317 #define __STDC__ 1
 318 #define MUST_UNDEF__STDC__
 319 #endif
 320 #include <direct.h>
 321 #include <io.h>
 322 #include <stdio.h>
 323 #ifdef MUST_UNDEF__STDC__
 324 #undef __STDC__
 325 #undef MUST_UNDEF__STDC__
 326 #endif
 327
 328 /* Defines that we need that aren't in the standard signal.h.  */
 329 #define SIGHUP  1               /* Hang up */
 330 #define SIGQUIT 3               /* Quit process */
 331 #define SIGTRAP 5               /* Trace trap */
 332 #define SIGKILL 9               /* Die, die die */
 333 #define SIGPIPE 13              /* Write on pipe with no readers */
 334 #define SIGALRM 14              /* Alarm */
 335 #define SIGCHLD 18              /* Death of child */
 336
 337 #ifndef NSIG
 338 #define NSIG 23
 339 #endif
 340
 341 /* For integration with MSDOS support.  */
 342 #define getdisk()               (_getdrive () - 1)
 343 #ifdef emacs
 344 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 345 #else
 346 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 347 #endif
 348
 349 extern char *get_emacs_configuration (void);
 350 extern char *get_emacs_configuration_options (void);
 351 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 352 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 353
 354 /* Define this so that winsock.h definitions don't get included with
 355    windows.h.  For this to have proper effect, config.h must always be
 356    included before windows.h.  */
 357 #define _WINSOCKAPI_    1
 358 #define _WINSOCK_H
 359
 360 /* Defines size_t and alloca ().  */
 361 #ifdef emacs
 362 #define malloc e_malloc
 363 #define free   e_free
 364 #define realloc e_realloc
 365 #define calloc e_calloc
 366 #endif
 367 #ifdef _MSC_VER
 368 #define alloca _alloca
 369 #else
 370 #include <malloc.h>
 371 #endif
 372
 373 #include <sys/stat.h>
 374
 375 /* Define for those source files that do not include enough NT system files.  */
 376 #ifndef NULL
 377 #ifdef __cplusplus
 378 #define NULL    0
 379 #else
 380 #define NULL    ((void *)0)
 381 #endif
 382 #endif
 383
 384 /* For proper declaration of environ.  */
 385 #include <stdlib.h>
 386 #ifndef sys_nerr
 387 #define sys_nerr _sys_nerr
 388 #endif
 389 #include <string.h>
 390
 391 extern int getloadavg (double *, int);
 392
 393 /* We need a little extra space, see ../../lisp/loadup.el.  */
 394 #define SYSTEM_PURESIZE_EXTRA 50000
 395
 396 #define DATA_START      get_data_start ()
 397
 398 /* For unexec to work on Alpha systems, we need to put Emacs'
 399    initialized data into a separate section from the CRT initialized
 400    data (because the Alpha linker freely reorders data variables, even
 401    across libraries, so our data and the CRT data get intermingled).
 402
 403    Starting with MSVC 5.0, we must also place the uninitialized data
 404    into its own section.  VC5 intermingles uninitialized data from the CRT
 405    between Emacs' static uninitialized data and its public uninitialized
 406    data.  A separate .bss section for Emacs groups both static and
 407    public uninitialized together.
 408
 409    Note that unexw32.c relies on this fact, and must be modified
 410    accordingly if this section name is changed, or if this pragma is
 411    removed.  Also, obviously, all files that define initialized data
 412    must include config.h to pick up this pragma.  */
 413
 414 /* Names must be < 8 bytes.  */
 415 #ifdef _MSC_VER
 416 #pragma data_seg("EMDATA")
 417 #pragma bss_seg("EMBSS")
 418 #endif
 419
 420 /* #define FULL_DEBUG */
 421 /* #define EMACSDEBUG */
 422
 423 #ifdef EMACSDEBUG
 424 extern void _DebPrint (const char *fmt, ...);
 425 #define DebPrint(stuff) _DebPrint stuff
 426 #else
 427 #define DebPrint(stuff)
 428 #endif
 429
 430
 431 /* ============================================================ */